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WO2020140201A1 - 显示设备 - Google Patents

显示设备 Download PDF

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Publication number
WO2020140201A1
WO2020140201A1 PCT/CN2019/070114 CN2019070114W WO2020140201A1 WO 2020140201 A1 WO2020140201 A1 WO 2020140201A1 CN 2019070114 W CN2019070114 W CN 2019070114W WO 2020140201 A1 WO2020140201 A1 WO 2020140201A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
display
transmitting portion
light guide
display device
Prior art date
Application number
PCT/CN2019/070114
Other languages
English (en)
French (fr)
Inventor
施宏艳
Original Assignee
深圳市柔宇科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市柔宇科技有限公司 filed Critical 深圳市柔宇科技有限公司
Priority to CN201980073421.8A priority Critical patent/CN113260906A/zh
Priority to PCT/CN2019/070114 priority patent/WO2020140201A1/zh
Publication of WO2020140201A1 publication Critical patent/WO2020140201A1/zh

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements

Definitions

  • This application relates to the technical field of electronic devices, in particular to a display device.
  • Display devices such as mobile phones are common electronic devices in life, and people's lives are increasingly inseparable from display devices. With the advancement of technology, the application of flexible display devices is becoming more and more extensive, and users have higher and higher requirements on the size of the display screen.
  • the combined display screen is a combination of more than two display screens into a larger display screen to display complete and continuous images, which can provide a larger display area to meet user needs.
  • the edge of the display screen is provided with a encapsulation area formed by data lines or scanning lines and other traces.
  • the encapsulation area of the display screen near the seam will divide the display area of the two display screens. Separated, the display areas of the two display screens cannot be connected to form a continuous display area, that is, a complete and continuous image cannot be displayed, and the display effect is not good.
  • the technical problem to be solved by the present application is to provide a display device to solve the problem that the combined display device in the prior art cannot display a complete and continuous image.
  • the present application provides a display device including a first display screen, the first display screen including a first display panel and a first display panel covering the display surface of the first display panel A light guide, the display surface includes a display area and a first non-display area, the first non-display area is located on one side of the display area, and the refractive index of the first light guide is along the display
  • the light exit direction of the surface changes to translate the light emitted from the display area in a direction parallel to the display surface and cover the first non-display area.
  • the beneficial effects of the present application are as follows: after translating the light emitted through the first light guide member, it can be emitted directly above the first non-display area, thereby covering the first non-display area.
  • the image displayed by the display device can cover the first non-display area, thereby blocking the package area corresponding to the first non-display area inside the first display panel, the user will not see the first non-display area, and the display device gets The display area improves the display effect.
  • FIG. 1 is a schematic structural diagram of a display device according to an embodiment of this application.
  • FIG. 2 is a front view of a first display panel according to an embodiment of this application.
  • FIG. 3 is a schematic diagram of an optical path of light emitted by a first display panel according to an embodiment of the application.
  • FIG. 4 is a schematic structural diagram of a display device according to an embodiment of the application.
  • FIG. 5 is a schematic diagram of a structure and an optical path of a display device provided by one embodiment of this application.
  • FIG. 6 is a schematic diagram of a structure and an optical path of a display device according to an embodiment of this application.
  • FIG. 7 is a schematic diagram of a structure and an optical path of a display device according to an embodiment of this application.
  • FIG. 8 is a schematic diagram of a structure and an optical path of a display device according to an embodiment of this application.
  • FIG. 9 is a schematic diagram of a structure and an optical path of a display device according to an embodiment of this application.
  • FIG. 10 is a schematic structural diagram of a display device according to an embodiment of the application.
  • FIG. 11 is a schematic structural diagram of a display device according to an embodiment of the application.
  • FIG. 12 is a schematic structural diagram of a display device according to an embodiment of the application.
  • the display device may be an electronic device having only a display function, such as a display, etc., or an electronic device with integrated touch function, etc.
  • the flexible display device may also be a smart phone with a communication function, a tablet computer, etc. equipment.
  • FIG. 1 is a schematic structural diagram of a display device according to one embodiment of this application.
  • FIG. 2 is a front view of a first display panel 20 a according to one embodiment of this application.
  • the display device The first display screen 10a includes a first display panel 20a and a first light guide 30a covering the display surface 40 of the first display panel 20a.
  • the display surface 40 includes a display area 44 and a first non-display
  • the display area 42 and the first non-display area 42 are located on one side of the display area 44.
  • the first display panel 20a may be an organic light-emitting diode first display panel 20a (Organic Light-Emitting Diode, OLED).
  • the first non-display area 42 is located at the edge of the display surface 40, and directly below the first non-display area 42 is the packaging area 22 of the first display panel 20a, which is used to provide an opaque structure such as metal wiring of the first display panel 20a .
  • the first non-display area 42 is an elongated area extending along the edge of the display surface 40.
  • the display area 44 is the A-A area of the first display panel 20a, and directly below the display area 44 is the actual light emitting portion 24 of the first display panel 20a, such as a light emitting element or a pixel unit.
  • FIG. 3 is a schematic diagram of the light path of the light emitted by the first display panel 20a according to one embodiment of the present application.
  • the first light guide 30a covers the display surface 40, that is, the first light guide 30a
  • the display area 44 and the first non-display area 42 are covered, and all the light emitted from the display area 44 for displaying an image can enter the first light guide 30a.
  • the refractive index of the first light guide 30a changes along the light exit direction of the display surface 40, so that the light entering the first light guide 30a changes in the optical path of the first light guide 30a.
  • the first light guide 30 a translates the light emitted from the display area 44 in a direction parallel to the display surface 40 and covers the first non-display area 42.
  • the light emitted through the first light guide 30a can be emitted from directly above the first non-display area 42 after being translated, so as to cover the first non-display area 42.
  • the image displayed by the display device may cover the first non-display area 42, thereby blocking the encapsulation area 22 corresponding to the first non-display area 42 inside the first display panel 20a, the user will not see the first non-display area 42, the display device obtains The display area without a border on one side improves the display effect.
  • the first light guide 30a includes a first light-transmitting portion 32, a second light-transmitting portion 34, and a third light-transmitting portion 36 that are sequentially stacked.
  • the refractive index of the portion 34 is different from that of the first light-transmitting portion 32 and the third light-transmitting portion 36, so that the light entering the first light guide 30a propagates from the first light-transmitting portion 34 to the second light-transmitting
  • the portion 34 is refracted, and is refracted when propagating from the second light-transmitting portion 34 to the third light-transmitting portion 36.
  • the first light-transmitting portion 32 and the third light-transmitting portion 36 may be made of the same material, and the materials of the second light-transmitting portion 34 and the first light-transmitting portion 32 and the third light-transmitting portion 36 are different.
  • the first light-transmitting portion 32, the second light-transmitting portion 34, and the third light-transmitting portion 36 are integrally formed, and the first light guide 30a is detachably attached to the display surface 40 of the first display panel 20a
  • the first light-transmitting portion 32, the second light-transmitting portion 34, and the third light-transmitting portion 36 are different parts of the first light guide 30a.
  • first light-transmitting portion 32, the third The second light-transmitting portion 34 and the third light-transmitting portion 36 are independent transparent prisms.
  • the first light-transmitting portion 32, the second light-transmitting portion 34, and the third light-transmitting portion 36 are fixed to each other by pasting, splicing, etc. to form the first One light guide 30a.
  • the refractive indexes of the first light-transmitting portion 32 and the third light-transmitting portion 36 are the same, and are different from those of the second light-transmitting portion 34, so that the light emitted from the display area 44 is at The propagation direction when entering the first light-transmitting portion 32 and the third light-transmitting portion 36 are parallel, in other words, the first light guide 30a translates the light emitted from the display area 44 in a direction parallel to the display surface 40 and covers the first Non-display area 42.
  • the light emitted from the display area 44 sequentially passes through the first light-transmitting portion 32, the second light-transmitting portion 34, and the third light-transmitting portion 36, and the emitted light is horizontal to the light emitted from the display area 44 Pan and cover the first non-display area 42.
  • the light emitted from the display area 44 undergoes first refraction when entering the second light transmitting portion 34 from the first light transmitting portion 32, and undergoes second refraction when entering the third light transmitting portion 36 from the second light transmitting portion 34.
  • the light deflects in the propagation direction during the first refraction and the second refraction.
  • the refractive indexes of the first light-transmitting portion 32 and the third light-transmitting portion 36 are the same and are the same as those of the second light-transmitting portion 34
  • the refractive index of is different, the deflection direction of the light in the first refraction is opposite to that of the second refraction, the amount of deflection is the same, so that the light emitted after passing through the first light guide 30a relative to the light emitted by the display area 44 A horizontal translation. Further, the image displayed on the display area 44 of the display surface 40 is transmitted through the first light guide 30a and then shifts in a horizontal direction as a whole.
  • the light emitted through the first light guide 30a can be emitted from directly above the first non-display area 42 after being translated, so as to cover the first non-display area 42.
  • the image displayed by the display device may cover the first non-display area 42, thereby blocking the encapsulation area 22 corresponding to the first non-display area 42 inside the first display panel 20a, the user will not see the first non-display area 42, the display device obtains The display area without a border on one side improves the display effect.
  • the refractive indexes of the first light-transmitting portion 32 and the third light-transmitting portion 36 are the same in theory. In fact, due to the presence of impurities and other external factors in the material, the two materials must be It is unlikely that the refractive indexes are exactly the same, so it suffices that the difference between the refractive index n1 of the first light transmitting portion 32 and the refractive index n3 of the third light transmitting portion 36 is less than a preset threshold.
  • the refractive index sizes of the first light-transmitting portion 32, the second light-transmitting portion 34, and the third light-transmitting portion 36 can be fine-tuned accordingly.
  • a first refractive surface 324 is formed between the first light-transmitting portion 32 and the second light-transmitting portion 34, and between the second light-transmitting portion 34 and the third light-transmitting portion 36
  • a second refractive surface 346 is formed.
  • the first refractive surface 324 and the second refractive surface 346 are parallel and form an angle with the display surface 40.
  • the first refractive surface 324 is the interface between the first light-transmitting portion 32 and the second light-transmitting portion 34, one side of the first refractive surface 324 is the first light-transmitting portion 32, and the other side is the second light-transmitting portion In the portion 34, the light passes through the first refractive surface 324 so that the first light-transmitting portion 32 enters the second light-transmitting portion 34; the second refractive surface 346 is the interface between the second light-transmitting portion 34 and the third light-transmitting portion 36, One side of the second refractive surface 346 is the second light transmitting portion 34, and the other side is the third light transmitting portion 36. The light passes through the second refractive surface 346 so that the second light transmitting portion 34 enters the third light transmitting portion 36 .
  • the translation direction of the light emitted by the first display panel 20a is related to the characteristics of the first light guide 30a, and specifically includes a first light transmitting portion 32, a second light transmitting portion 34, and a third light transmitting portion 36 And the inclination directions of the first refractive surface 324 and the second refractive surface 346.
  • the refractive index of the first light transmitting portion 32 may be greater than the refractive index of the second light transmitting portion 34, and the refractive index of the first light transmitting portion 32 may also be smaller than the refractive index of the second light transmitting portion 34.
  • the first refractive surface 324 and the second refractive surface 346 are inclined as shown, and the refractive index of the first light transmitting portion 32 of the first light guide 30a is greater than that of the second light transmitting
  • the refractive index of the portion 34 gradually increases from the first refractive surface 324 to the display surface 40 along the direction in which the display area 44 points to the first non-display area 42.
  • the light emitted from the display area 44 of the first display panel 20a enters the first light-transmitting portion 32 perpendicularly to the light incident surface 320 of the first light-transmitting portion 32 of the first light guide 30a.
  • the first refraction can occur, and the light after the first refraction is deflected counterclockwise, and the angle between the light after the first refraction and the second refractive surface 346, so the second time can occur Refraction, the light beam after the second refraction is deflected clockwise, and is emitted from the light exit surface 360 of the third light transmitting portion 36.
  • the light exiting the light guide 30 from the light exit surface 360 of the third light transmitting portion 36 and the light entering the light guide 30 from the light entrance surface 320 of the first light transmitting portion 32 are parallel to each other, and only translation occurs, specifically along the display area 44 translates in the direction of the first non-display area 42.
  • the light emitted from the display area 44 enters the first light-transmitting portion 32 perpendicularly to the light-incident surface 320 of the first light-transmitting portion 32, and there is an angle between the light and the first refractive surface 324, so it can occur
  • the first refraction, the angle between the light after the first refraction and the second refraction surface 346, so the second refraction can occur, the light after the second refraction from the light exit surface 360 of the third light-transmitting portion 36 Shoot out.
  • the light exiting the first light guide 30a from the light exit surface 360 of the third light transmitting portion 36 and the light entering the first light guide 30a from the light entrance surface 320 of the first light transmitting portion 32 are parallel to each other, and only occur in the horizontal direction Translation, further, each light emitted from the display area 44 perpendicular to the light incident surface 320 of the first light-transmitting portion 32 passes through the first light guide 30a and undergoes the same amount of translation.
  • the display area 44 After the displayed image passes through the first light guide 30a the entire image only shifts in the horizontal direction, and the content, scale, and quality of the image do not change.
  • the light incident surface 320 of the first light transmitting portion 32 is parallel to the first display panel 20 a
  • the light exit surface 360 of the third light transmitting portion 36 is parallel to the first display panel 20 a.
  • the light incident surface 320 of the first light transmitting portion 32 is parallel to the display surface 40 of the first display panel 20a
  • the light exit surface 360 of the third light transmitting portion 36 is parallel to the display surface 40 of the first display panel 20a, so that The light emitted from the display surface 40 of the first display panel 20a may enter the first light-transmitting portion 32 perpendicular to the direction of the light-incident surface 320 of the first light-transmitting portion 32, correspondingly, from the light-emitting surface 360 of the third light-transmitting portion 36
  • the emitted light rays are all perpendicular to the light exit surface 360 of the third light-transmitting portion 36, and a better display effect is obtained.
  • the light incident surface 320 of the first light-transmitting portion 32 is attached to the display surface 40 of the first display panel 20a, so that the light emitted by the first display panel 20a is perpendicular to the first light-transmitting portion as much as possible 32 enters the first light-transmitting portion 32, correspondingly, as much light as possible exits the third light-transmitting portion 36 perpendicular to the third light-transmitting portion 36, thereby improving the brightness of the image displayed by the display device.
  • the display surface can be adjusted
  • the image displayed at 40 exactly covers the first non-display area 42 after translation, and the edge of the image displayed by the display surface 40 after the translation is aligned with the edge of the first display panel 20a, so that the image displayed by the display device is complete.
  • the value of the translation amount d is equal to the lateral length of the first non-display area 42, that is, the length of the first non-display area 42 in the connecting direction of the first non-display area 42 and the display area 44.
  • the first non-display area 42 can be completely blocked, and there will be no situation where too much light is shifted and part of the image cannot be displayed. Further, the amount of translation d when the light emitted by the first display panel 20a enters the first light-transmitting portion 32 and when it exits from the third light-transmitting portion 36 is related to the characteristics of the plurality of first light guides 30a, including the first light-transmitting portion 30a.
  • the angle a between the first refractive surface 324 or the second refractive surface 346 and the display surface 40, and the distance L in the vertical direction between the first refractive surface 324 and the second refractive surface 346 (hereinafter simply referred to as the vertical distance L).
  • the relationship between the translation amount d and the ratio n 12 , the included angle a, and the vertical distance L is as follows:
  • the translation amount d is positively correlated with the ratio n 12 , the translation amount d is negatively correlated with the included angle a, and the translation amount d is positively correlated with the vertical distance L. Therefore, by controlling the material refractive indexes of the first light-transmitting portion 32, the second light-transmitting portion 34, and the third light-transmitting portion 36, and the angle a between the first refractive surface 324 or the second refractive surface 346 and the display surface 40, The vertical distance L between the first refractive surface 324 and the second refractive surface 346 can obtain different amounts of translation d, so that the use of different first light guides 30a can be applied to the first display panel 20a with different sizes of the first non-display area 42 .
  • FIG. 4 is a schematic structural diagram of a display device according to one embodiment of the present application.
  • the display surface 40 further includes a second non-display area 46.
  • the second non-display area 46 is located on a side of the display area 44 facing away from the first non-display area 42.
  • the light exit surface of the first light guide 30 a is provided
  • the light shielding layer 50, the orthographic projection of the light shielding layer 50 on the display surface 40 covers the second non-display area 46 and a part of the display area 44.
  • the second non-display area 46 is located at the edge of the display surface 40, and directly below the second non-display area 46 is the encapsulation area 22 of the first display panel 20a, which is used to provide an opaque structure such as metal wiring of the first display panel 20a .
  • the second non-display area 46 is an elongated area extending along the edge of the display surface 40.
  • the light-shielding layer 50 may be light-shielding ink coated on the light exit surface of the first light guide 30a.
  • the light shielding layer 50 shields the second non-display area 46 to prevent the package area 22 directly under the second non-display area 46 from being exposed.
  • the light shielding layer 50 also shields a portion of the display area 44.
  • the display area 44 is connected to the second non-display area 46
  • the portion of the light emitted by the first light guide 30a is translated to the first non-display area 42 after the action, resulting in a low display brightness of the portion, the light-shielding layer 50 blocks the portion of the display area 44 connected to the second non-display area 46 to prevent the The display brightness of the location is low and affects the overall display effect of the display device.
  • the size of the orthographic projection of the light shielding layer 50 on the first display panel 20 a is the same as the sum of the sizes of the first non-display area 42 and the second non-display area 46. Specifically, the light-shielding layer 50 completely covers the second display area 44 and the display area 44 due to the translation of light to display a portion of low brightness, and the overall display effect of the display device.
  • FIG. 5 is a schematic diagram of a structure and an optical path of a display device provided in one embodiment of the present application.
  • the display screen 10 further includes a second display screen 10b, a second display screen 10b and a first display screen 10a. Adjacent, the second display screen 10b includes a second display panel 20b and a second light guide 30b.
  • the second light guide 30b covers the display surface 40 of the second display panel 20b, that is, the second light guide 30b covers the display area 44 and the first non-display area 42 of the second display panel 20b, and the second display All light emitted from the display area 44 of the panel 20b for displaying images can enter the second light guide 30b.
  • the internal structure of the second light guide 30b is similar to the internal structure of the first light guide 30a.
  • the second light guide 30b directs the light emitted from the display area 44 of the second display panel 20b parallel to the second The direction of the display surface 40 of the display panel 20b translates and covers the first non-display area 42 of the second display panel 20b.
  • the light emitted through the second light guide 30b can be emitted from directly above the first non-display area 42 of the second display panel 20b after being translated, thereby covering the first non-display area 42 of the second display panel 20b.
  • the image displayed by the display device may cover the first non-display area 42 of the second display panel 20b, thereby blocking the package area 22 inside the second display panel 20b corresponding to the first non-display area 42 of the second display panel 20b. Seeing the first non-display area 42 of the second display panel 20b, the display device obtains a display area without a frame on one side, which improves the display effect.
  • the first display panel 10a and the second display panel 10b may be fixedly connected or movably connected.
  • the display direction of the first display panel 20a is the same as the display direction of the second display panel 20b.
  • the display of the first display panel 20a The surface 40 is on the same plane as the display surface 40 of the second display panel 20b.
  • the first non-display area 42 of the first display panel 20a and the first non-display area 42 of the second display panel 20b are adjacent to each other, and are located between the display area 44 of the first display panel 20a and the second display panel 20b. Between display area 44.
  • the light emitted by the first display panel 20a is refracted by the first light guide 30a and then translated in the first direction
  • the light emitted by the second display panel 20b is refracted by the second light guide 30b and then translated in the second direction
  • the first direction is the horizontal direction of the first display screen 10a pointing and perpendicular to the connecting side of the first display screen 10a and the second display screen 10b
  • the second direction is the second display screen 10b pointing and perpendicular to the first display screen
  • the horizontal direction of the connecting side of 10a and the second display screen 10b, the first direction is opposite to the second direction.
  • the light emitted by the first display panel 20a is refracted by the first light guide 30a and then translated toward the second screen, and the translated light covers the first non-display area 42a of the first display panel 20a.
  • the image displayed on the first display screen 10a may cover the first non-display area 42a of the first display panel 20a, thereby blocking the package area 22 corresponding to the first non-display area 42a inside the first display panel 20a, and the user will not see the first In a non-display area 42a, the first display screen 10a obtains a display area without a frame on the side close to the second display screen 10b.
  • the light emitted from the second display panel 20b is refracted by the second light guide 30b and then translated toward the first screen.
  • the translated light covers the first non-display area 42b of the second display panel 20b.
  • the image displayed by the second display screen 10b may cover the first non-display area 42b of the second display panel 20b, thereby blocking the package area 22 corresponding to the first non-display area 42b inside the second display panel 20b, and the user will not see the first In a non-display area 42b, the second display screen 10b obtains a display area without a frame on the side close to the first display screen 10a. Further, the first display screen 10a is adjacent to the second display screen 10b, and the image displayed by the first display screen 10a and the image displayed by the second display screen 10b are seamlessly spliced to form a complete display area.
  • the first display screen 10a and the second display screen 10b can display continuous patterns on the content, so that the first display screen 10a and the second display screen 10b can be spliced to display a more Big image.
  • the first display screen 10a and the second display screen 10b may be display screens 10 of the same size, or may be display screens 10 of different sizes.
  • the size of the first non-display area 42a of the first display panel 20a and the first non-display area 42b of the second display panel 20b may be the same or different, when the first non-display area 20a of the first display panel 20a
  • the first light-transmitting portion 32 and the second light-transmitting portion 34 of the first light guide 30a and the second light guide 30b are correspondingly designed
  • the translation direction of the light emitted by the first display panel 20a and the second display panel 20b is related to the characteristics of the first light guide 30a and the second light guide 30b Specifically, it includes the refractive indexes of the first light-transmitting portion 32, the second light-transmitting portion 34, and the third light-transmitting portion 36, and the inclination directions of the first refractive surface 324 and the second refractive surface 346.
  • the first display screen 10a and the second display screen 10b include at least the following embodiments.
  • the refractive index of the first light-transmitting portion 32 of the first light guide 30a is greater than the refractive index of the second light-transmitting portion 34.
  • the first refractive surface 324 to The vertical distance of the display surface 40 gradually increases. The light emitted from the display area 44 of the first display panel 20a enters the first light-transmitting portion 32 perpendicularly to the light incident surface 320 of the first light-transmitting portion 32 of the first light guide 30a.
  • the light exiting the light guide 30 from the light exit surface 360 of the third light transmissive portion 36 and the light entering the light guide 30 from the light entrance surface 320 of the first light transmissive portion 32 are parallel to each other, and only translation occurs, specifically along the first The translation of the direction.
  • the refractive index of the first light-transmitting portion 32 of the second light guide 30b is greater than the refractive index of the second light-transmitting portion 34.
  • the first refractive surface 324 is perpendicular to the display surface 40 The distance gradually increases. The light emitted from the display area 44 of the second display panel 20b enters the first light-transmitting portion 32 perpendicularly to the light incident surface 320 of the first light-transmitting portion 32 of the second light guide 30b.
  • the first refraction can occur, and the light after the first refraction is deflected counterclockwise, and the angle between the light after the first refraction and the second refractive surface 346, so the second time can occur Refraction, the light beam after the second refraction is deflected clockwise, and is emitted from the light exit surface 360 of the third light transmitting portion 36.
  • the light exiting the light guide 30 from the light exit surface 360 of the third light transmitting portion 36 and the light entering the light guide 30 from the light entrance surface 320 of the first light transmitting portion 32 are parallel to each other, and only translation occurs, specifically along the second The translation of the direction.
  • the second light-transmitting portions 34 of the first light guide 30a and the second light-guide 30b are an air gap, such as a hollow structure, and the second light-transmitting portion 34 may be vacuum or filled with air.
  • the refractive index of the two light-transmitting parts 34 is 1, the first light-transmitting parts 32 and the third light-transmitting parts 36 of the first light guide 30a and the second light guide 30b are made of a transparent material, and the first light-transmitting part 32
  • the refractive index of the third light transmitting portion 36 is greater than 1.
  • the refractive index of the first light-transmitting portion 32 of the first light guide 30a is smaller than the refractive index of the second light-transmitting portion 34.
  • the first refractive surface 324 to The vertical distance of the display surface 40 gradually decreases. The light emitted from the display area 44 of the first display panel 20a enters the first light-transmitting portion 32 perpendicularly to the light incident surface 320 of the first light-transmitting portion 32 of the first light guide 30a.
  • the light exiting the light guide 30 from the light exit surface 360 of the third light transmissive portion 36 and the light entering the light guide 30 from the light entrance surface 320 of the first light transmissive portion 32 are parallel to each other, and only translation occurs, specifically along the first The translation of the direction.
  • the refractive index of the first light-transmitting portion 32 of the second light guide 30b is smaller than the refractive index of the second light-transmitting portion 34.
  • the first refractive surface 324 is perpendicular to the display surface 40 The distance gradually decreases.
  • the refractive index of the first light-transmitting portion 32 of the second light guide 30b is greater than the refractive index of the second light-transmitting portion 34.
  • the first refractive surface 324 is perpendicular to the display surface 40 The distance gradually increases.
  • the light emitted from the display area 44 of the second display panel 20b enters the first light-transmitting portion 32 perpendicularly to the light incident surface 320 of the first light-transmitting portion 32 of the second light guide 30b. There is an angle between them, so the first refraction can occur, and the light after the first refraction is deflected counterclockwise, and the angle between the light after the first refraction and the second refractive surface 346, so the second time can occur Refraction, the light beam after the second refraction is deflected clockwise, and is emitted from the light exit surface 360 of the third light transmitting portion 36.
  • the light exiting the light guide 30 from the light exit surface 360 of the third light transmitting portion 36 and the light entering the light guide 30 from the light entrance surface 320 of the first light transmitting portion 32 are parallel to each other, and only translation occurs, specifically along the second The translation of the direction.
  • the first light-transmitting portion 32 and the third light-transmitting portion 36 of the first light-guiding member 30a and the second light-guiding member 30b are air gaps, such as a hollow structure, and the first light-transmitting portion 32 and the third The light transmitting portion 36 may be vacuum or filled with air, so that the refractive index of the first light transmitting portion 32 and the third light transmitting portion 36 is 1, and the second light transmitting of the first light guide 30a and the second light guide 30b
  • the portion 34 is made of a transparent material, and the refractive index of the second light transmitting portion 34 is greater than 1.
  • the refractive index of the first light-transmitting portion 32 of the first light guide 30a is smaller than the refractive index of the second light-transmitting portion 34.
  • the first refractive surface 324 to The vertical distance of the display surface 40 gradually decreases. The light emitted from the display area 44 of the first display panel 20a enters the first light-transmitting portion 32 perpendicularly to the light incident surface 320 of the first light-transmitting portion 32 of the first light guide 30a.
  • the light exiting the light guide 30 from the light exit surface 360 of the third light transmissive portion 36 and the light entering the light guide 30 from the light entrance surface 320 of the first light transmissive portion 32 are parallel to each other, and only translation occurs, specifically along the first The translation of the direction.
  • the first light-transmitting portion 32 and the third light-transmitting portion 36 of the first light guide 30a are an air gap, such as a hollow structure, and the first light-transmitting portion 32 and the third light-transmitting portion 36 may be Vacuum or fill with air, so that the refractive index of the first light-transmitting portion 32 and the third light-transmitting portion 36 is 1, the second light-transmitting portion 34 of the first light guide 30a is made of a transparent material, and the second light-transmitting portion 34 The refractive index is greater than 1.
  • the refractive index of the first light-transmitting portion 32 of the second light guide 30b is greater than the refractive index of the second light-transmitting portion 34.
  • the first refractive surface 324 is perpendicular to the display surface 40 The distance gradually increases. The light emitted from the display area 44 of the second display panel 20b enters the first light-transmitting portion 32 perpendicularly to the light incident surface 320 of the first light-transmitting portion 32 of the second light guide 30b.
  • the first refraction can occur, and the light after the first refraction is deflected counterclockwise, and the angle between the light after the first refraction and the second refractive surface 346, so the second time can occur Refraction, the light beam after the second refraction is deflected clockwise, and is emitted from the light exit surface 360 of the third light transmitting portion 36.
  • the light exiting the light guide 30 from the light exit surface 360 of the third light transmitting portion 36 and the light entering the light guide 30 from the light entrance surface 320 of the first light transmitting portion 32 are parallel to each other, and only translation occurs, specifically along the second The translation of the direction.
  • the second light-transmitting portion 34 of the second light guide 30b is an air gap, such as a hollow structure, and the second light-transmitting portion 34 may be vacuum or filled with air, so that the refraction of the second light-transmitting portion 34
  • the ratio is 1, the first light-transmitting portion 32 and the third light-transmitting portion 36 of the second light guide 30b are made of a transparent material, and the refractive indexes of the first light-transmitting portion 32 and the third light-transmitting portion 36 are greater than 1.
  • the refractive index of the first light-transmitting portion 32 of the first light guide 30a is greater than the refractive index of the second light-transmitting portion 34.
  • the first refractive surface 324 to The vertical distance of the display surface 40 gradually increases. The light emitted from the display area 44 of the first display panel 20a enters the first light-transmitting portion 32 perpendicularly to the light incident surface 320 of the first light-transmitting portion 32 of the first light guide 30a.
  • the light exiting the light guide 30 from the light exit surface 360 of the third light transmissive portion 36 and the light entering the light guide 30 from the light entrance surface 320 of the first light transmissive portion 32 are parallel to each other, and only translation occurs, specifically along the first The translation of the direction.
  • the second light-transmitting portion 34 of the first light guide 30a is an air gap, such as a hollow structure, and the second light-transmitting portion 34 may be vacuum or filled with air, so that the refraction of the second light-transmitting portion 34
  • the rate is 1
  • the first light-transmitting portion 32 and the third light-transmitting portion 36 of the first light guide 30a are made of a transparent material, and the refractive indexes of the first light-transmitting portion 32 and the third light-transmitting portion 36 are greater than 1.
  • the refractive index of the first light-transmitting portion 32 of the second light guide 30b is smaller than the refractive index of the second light-transmitting portion 34.
  • the first refractive surface 324 is perpendicular to the display surface 40 The distance gradually decreases. The light emitted from the display area 44 of the second display panel 20b enters the first light-transmitting portion 32 perpendicularly to the light incident surface 320 of the first light-transmitting portion 32 of the second light guide 30b.
  • the first refraction can occur, and the light after the first refraction is deflected counterclockwise, and the angle between the light after the first refraction and the second refractive surface 346, so the second time can occur Refraction, the light beam after the second refraction is deflected clockwise, and is emitted from the light exit surface 360 of the third light transmitting portion 36.
  • the light exiting the light guide 30 from the light exit surface 360 of the third light transmitting portion 36 and the light entering the light guide 30 from the light entrance surface 320 of the first light transmitting portion 32 are parallel to each other, and only translation occurs, specifically along the second The translation of the direction.
  • the first light-transmitting portion 32 and the third light-transmitting portion 36 of the second light guide 30b are an air gap, such as a hollow structure, and the first light-transmitting portion 32 and the third light-transmitting portion 36 may be Vacuum or air filling, so that the refractive index of the first light-transmitting portion 32 and the third light-transmitting portion 36 is 1, the second light-transmitting portion 34 of the second light guide 30b is made of a transparent material, and the second light-transmitting portion 34 The refractive index is greater than 1.
  • the first light-transmitting portion 32 of the first light guide 30a and the first light-transmitting portion 32 of the second light guide 30b are interconnected into one body to avoid the first light-transmitting portion 32 and the second light-transmitting
  • the gap at the splice of the portion 34 results in a gap between the image displayed on the first display screen 10a and the image displayed on the second display screen 10b.
  • the second light-transmitting portion 34 of the first light guide 30a is interconnected with the second light-transmitting portion 34 of the second light guide 30b, and the third light-transmitting of the first light guide 30a
  • the portion 36 is interconnected with the third light-transmitting portion 36 of the second light guide 30b.
  • FIG. 10 is a schematic structural diagram of a display device according to one embodiment of the present application.
  • the first light guide 30a and the second light guide 30b are interconnected to form an integral light-transmitting member 300
  • the display device further includes a carrier 60
  • the first display panel 20a and the second display panel 20b are located on the carrier Between 60 and the light transmitting member 300.
  • the carrier body 60 may be a casing, a middle frame, etc.
  • the carrier body 60 is used to support the first display screen 10a and the second display screen 10b, as well as provide a motherboard, a battery, and other devices.
  • the positions of the first display panel 20a and the second display panel 20b are fixed.
  • the first display panel 20a and the second display panel 20b each display half of the complete screen, and the first display panel 20a
  • the displayed image and the image displayed on the second display panel 20b are spliced to form a complete image.
  • the first display panel 20a and the second display panel 20b divide the display panel 20 into two parts.
  • the data lines and scan lines on the first display panel 20a and the second display panel 20b are shorter, and the The response speed is faster and the picture display effect is better.
  • FIG. 11 is a schematic structural diagram of a display device according to an embodiment of the present application.
  • the display device further includes a first carrier 62 and a second carrier 64.
  • the first display screen 10a is disposed on the first carrier 62
  • the second display screen 10b is disposed on the second carrier 64.
  • a carrier 62 is rotatably connected to the second carrier 64 so that the first display screen 10a and the second display screen 10b can rotate relatively; the first light guide 30a and the second light guide 30b are flexible materials.
  • the first carrier 62 and the second carrier 64 can rotate with each other through a structure such as a hinge, so that the display device has two use states of folding and unfolding.
  • the display surfaces 40 of the first display screen 10a and the second display screen 10b are in the same direction, and the first display screen 10a and the second display screen 10b are spliced together to display a more Large and complete image; when the first carrier 62 and the second carrier 64 are folded relative to each other, the display surfaces 40 of the first display screen 10a and the second display screen 10b face toward the back, with a smaller display device volume, easy to carry .
  • the first display screen 10a is located on the side of the first carrier 62 facing away from the second carrier 64
  • the second display screen 10b is located on the first The side of the second carrier 64 facing away from the first carrier 62.
  • the first display screen 10a is located on the side of the first carrier 62 facing the second carrier 64, and the second display screen 10b is located The second carrier 64 faces the side of the first carrier 62.
  • FIG. 12 is a schematic structural diagram of a display device according to an embodiment of the present application.
  • the display device further includes a first carrier 62 and a second carrier 64.
  • the first display screen 10a is disposed on the first carrier 62
  • the second display screen 10b is disposed on the second carrier 64.
  • a carrier 62 is detachably connected to the second carrier 64.
  • the first bearing member 62 and the second bearing member may be connected to each other through a built-in magnetic member.
  • the first carrier 62 and the first display screen 10a may form a separate display device
  • the second carrier 64 and the second display screen 10b may form another separate display device
  • the two display devices may be separate Use, can also be assembled together after assembly, use mode is flexible.
  • the terms “installation”, “connected”, and “connected” should be understood in a broad sense, for example, it can be a fixed connection, or It can be a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or can communicate with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be a connection between two components or two The interaction of components.
  • installation should be understood in a broad sense, for example, it can be a fixed connection, or It can be a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or can communicate with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be a connection between two components or two The interaction of components.
  • the first feature "above” or “below” the second feature may include the direct contact of the first and second features, or may include the first Not in direct contact with the second feature but through another feature between them.
  • the first feature is “above”, “above” and “above” the second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
  • the first feature is “below”, “below” and “below” the second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is less horizontal than the second feature.

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Abstract

一种显示设备，包括第一显示屏(10a)，第一显示屏(10a)包括第一显示面板(20a)及覆盖于第一显示面板(20a)的显示面(40)上的第一导光件(30a)，显示面(40)包括显示区(44)及第一非显示区(42)，第一非显示区(42)位于显示区(44)的一侧，第一导光件(30a)的折射率沿着显示面(40)的出光方向变化而将显示区(44)射出的光线沿平行于显示面(40)的方向平移并覆盖第一非显示区(42)。显示设备显示的图像可以覆盖第一非显示区(42)，提高了显示效果。

Description

显示设备 技术领域
本申请涉及电子设备技术领域，尤其是涉及一种显示设备。
背景技术
手机等显示设备是生活中常见的电子设备，人们的生活已越来越离不开显示设备。随着技术的进步，柔性显示设备的应用越来越广泛，用户对显示屏的尺寸要求也越来越高。组合式的显示屏是将两个以上的显示屏组合成一个更大的显示屏显示完整、连续的图像，从而可以提供更大的显示面积，满足用户需求。
现有技术中，显示屏的边缘设有数据线或扫描线等走线形成的封装区，当两个显示屏拼接在一起时，显示屏靠近拼缝的封装区将两个显示屏的显示区隔开，两个显示屏的显示区无法连接而形成连续的显示区域，即无法显示完整、连续的图像，显示效果不佳。
发明内容
本申请要解决的技术问题是提供一种显示设备，用以解决现有技术中组合式显示设备无法显示完整、连续的图像的问题。
为解决上述技术问题，本申请提供一种显示设备，所述显示设备包括第一显示屏，所述第一显示屏包括第一显示面板及覆盖于所述第一显示面板的显示面上的第一导光件，所述显示面包括显示区及第一非显示区，所述第一非显示区位于所述显示区的一侧，所述第一导光件的折射率沿着所述显示面的出光方向变化而将所述显示区射出的光线沿平行于所述显示面的方向平移并覆盖所述第一非显示区。
本申请的有益效果如下：穿过第一导光件而射出的光线平移后可以从第一非显示区的正上方射出，从而覆盖第一非显示区。显示设备显示的图像可以覆盖第一非显示区，从而遮挡了第一显示面板内部对应第一非显示区的封装区域，用户不会看到第一非显示区，显示设备得到一侧无边框的显示区域，提高了显 示效果。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请其中一实施例的显示设备的结构示意图。
图2为本申请其中一实施例的第一显示面板的正视图。
图3为本申请其中一实施例的第一显示面板发出的光线的光路示意图。
图4为本申请其中一实施例的显示设备的结构示意图。
图5为本申请其中一实施例提供的显示设备的结构及光路示意图。
图6为本申请其中一实施例的显示设备的结构及光路示意图。
图7为本申请其中一实施例的显示设备的结构及光路示意图。
图8为本申请其中一实施例的显示设备的结构及光路示意图。
图9为本申请其中一实施例的显示设备的结构及光路示意图。
图10为本申请其中一实施例的显示设备的结构示意图。
图11为本申请其中一实施例的显示设备的结构示意图。
图12为本申请其中一实施例的显示设备的结构示意图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请实施例提供一种显示设备，显示设备用于显示图像。具体的，显示设备可以为仅具有显示功能的电子设备，例如显示器等，也可以为集成有触控功能的电子设备等，当然，柔性显示设备也可以为具有通信功能的手机、平板电脑等智能设备。
请参阅图1和图2，图1为本申请其中一实施例的显示设备的结构示意图，图2为本申请其中一实施例的第一显示面板20a的正视图，本实施例中，显示设备包括第一显示屏10a，第一显示屏10a包括第一显示面板20a及覆盖于第一显示面板20a的显示面40上的第一导光件30a，显示面40包括显示区44及第一非显示区42，第一非显示区42位于显示区44的一侧。本实施例中，第一显示面板20a可以为有机发光二极体第一显示面板20a(Organic Light-Emitting Diode，OLED)。第一非显示区42位于显示面40的边缘位置，第一非显示区42的正下方为第一显示面板20a的封装区域22，用于设置第一显示面板20a的金属走线等不透明的结构。一种实施方式中，第一非显示区42为沿显示面40的边缘延伸的长条状区域。显示区44即第一显示面板20a的A-A区，显示区44的正下方为第一显示面板20a的实际发光部分24，例如发光元件或像素单元等。
请结合图3，图3为本申请其中一实施例的第一显示面板20a发出的光线的光路示意图，本实施例中，第一导光件30a覆盖显示面40，即第一导光件30a覆盖显示区44及第一非显示区42，显示区44发出的用于显示图像的光线全部可以进入第一导光件30a。本实施例中，第一导光件30a的折射率沿着显示面40的出光方向变化，以使进入第一导光件30a的光线在第一导光件30a的光路发生变化，具体的，第一导光件30a将显示区44射出的光线沿平行于显示面40的方向平移并覆盖第一非显示区42。穿过第一导光件30a而射出的光线平移后可以从第一非显示区42的正上方射出，从而覆盖第一非显示区42。显示设备显示的图像可以覆盖第一非显示区42，从而遮挡了第一显示面板20a内部对应第一非显示区42的封装区域22，用户不会看到第一非显示区42，显示设备得到一侧无边框的显示区域，提高了显示效果。
请继续参阅图1和图3，本实施例中，第一导光件30a包括依次层叠设置的第一透光部32、第二透光部34及第三透光部36，第二透光部34的折射率与第一透光部32及第三透光部36的折射率均不相同，从而使进入第一导光件30a的光线从第一透光部34传播至第二透光部34时发生折射，从第二透光部34传播至第三透光部36时发生折射。具体的，第一透光部32和第三透光部36可以为相同的材料制成，第二透光部34与第一透光部32、第三透光部36 的材料不同。一种实施方式中，第一透光部32、第二透光部34及第三透光部36一体成型，第一导光件30a可拆卸地贴合于第一显示面板20a的显示面40上，换言之，第一透光部32、第二透光部34及第三透光部36为第一导光件30a的不同部分，另一种实施方式中，第一透光部32、第二透光部34及第三透光部36为相互独立的透明棱镜，第一透光部32、第二透光部34及第三透光部36通过粘贴、拼接等方式相互固定而形成第一导光件30a。
请参阅图3，本实施例中，第一透光部32和第三透光部36的折射率相同，且与第二透光部34的折射率不同，以使显示区44发出的光线在进入第一透光部32时和射出第三透光部36时的传播方向平行，换言之，第一导光件30a将显示区44射出的光线沿平行于显示面40的方向平移并覆盖第一非显示区42。具体的，显示区44发出的光线依次穿过第一透光部32、第二透光部34及第三透光部36后射出，射出的光线相对于显示区44发出的光线向一水平方向平移并覆盖第一非显示区42。具体的，显示区44发出的光线从第一透光部32进入第二透光部34时发生第一次折射，从第二透光部34进入第三透光部36时发生第二次折射，该光线在第一次折射和第二次折射时均发生传播方向的偏转，进一步的，第一透光部32和第三透光部36的折射率相同，且与第二透光部34的折射率不同，光线在第一次折射的偏转方向与第二次折射的偏转方向相反，偏转量相同，从而穿过第一导光件30a后射出的光线相对于显示区44发出的光线向一水平方向平移，进一步的，显示面40的显示区44显示的图像穿过第一导光件30a射出后整体向一水平方向平移。穿过第一导光件30a而射出的光线平移后可以从第一非显示区42的正上方射出，从而覆盖第一非显示区42。显示设备显示的图像可以覆盖第一非显示区42，从而遮挡了第一显示面板20a内部对应第一非显示区42的封装区域22，用户不会看到第一非显示区42，显示设备得到一侧无边框的显示区域，提高了显示效果。
可以理解的是，这里说的第一透光部32和第三透光部36的折射率相同是理论上的情况，实际上由于材料中存在杂质等外在因素，要做到两个材料的折射率完全相同是不太可能的，因此满足第一透光部32的折射率n1和第三透光部36的折射率n3之间的差值小于一个预设阈值即可。在其他实施例中，由于需要保证出射的光线是垂直于出光面360，因此第一透光部32、第二透光部 34和第三透光部36的折射率大小可以相应的进行微调。
请参阅图1和图3，本实施例中，第一透光部32与第二透光部34之间形成第一折射面324，第二透光部34与第三透光部36之间形成第二折射面346，第一折射面324和第二折射面346平行并与显示面40呈一夹角。具体的，第一折射面324为第一透光部32与第二透光部34的交界面，第一折射面324的一侧为第一透光部32，另一侧为第二透光部34，光线穿过第一折射面324即从而第一透光部32进入第二透光部34；第二折射面346为第二透光部34与第三透光部36的交界面，第二折射面346的一侧为第二透光部34，另一侧为第三透光部36，光线穿过第二折射面346即从而第二透光部34进入第三透光部36。
本实施例中，第一显示面板20a发出的光线的平移的方向与第一导光件30a的特性有关，具体包括第一透光部32、第二透光部34、第三透光部36的折射率以及第一折射面324、第二折射面346的倾斜方向。第一透光部32的折射率可以大于第二透光部34的折射率，第一透光部32的折射率也可以小于第二透光部34的折射率。
以图3为例，一种实施方式中，第一折射面324、第二折射面346以图示方式倾斜，第一导光件30a的第一透光部32的折射率大于第二透光部34的折射率，沿显示区44指向第一非显示区42的方向，第一折射面324至显示面40的垂直距离逐渐增大。从第一显示面板20a的显示区44发出的光线垂直于第一导光件30a的第一透光部32的入光面320进入第一透光部32，该光线与第一折射面324之间具有夹角，因此可以发生第一次折射，并且第一次折射后的光线逆时针偏转，第一次折射后的光线与第二折射面346之间具有夹角，因此可以发生第二次折射，第二次折射后的光线顺时针偏转，并从第三透光部36的出光面360射出。从第三透光部36的出光面360射出导光件30的光线与从第一透光部32的入光面320进入导光件30的光线相互平行，仅发生平移，具体为沿显示区44指向第一非显示区42的方向的平移。
请结合图3，从显示区44发出的光线垂直于第一透光部32的入光面320进入第一透光部32，该光线与第一折射面324之间具有夹角，因此可以发生第一次折射，第一次折射后的光线与第二折射面346之间具有夹角，因此可以 发生第二次折射，第二次折射后的光线从第三透光部36的出光面360射出。从第三透光部36的出光面360射出第一导光件30a的光线与从第一透光部32的入光面320进入第一导光件30a的光线相互平行，仅发生水平方向上的平移，进一步的，显示区44发出的每一条垂直于第一透光部32的入光面320的光线穿过第一导光件30a后发生相同平移量的平移，对应的，显示区44显示的图像穿过第一导光件30a后，图像整体仅发生水平方向上的平移，图像的内容、比例、质量等不发生变化。
请参阅图1和图3，本实施例中，第一透光部32的入光面320与第一显示面板20a平行，第三透光部36的出光面360与第一显示面板20a平行。具体的，第一透光部32的入光面320与第一显示面板20a的显示面40平行，第三透光部36的出光面360与第一显示面板20a的显示面40平行，从而使第一显示面板20a的显示面40发出的光线可以垂直于第一透光部32的入光面320的方向进入第一透光部32，对应的，从第三透光部36的出光面360射出的光线均垂直于第三透光部36的出光面360，得到较好的显示效果。一种实施方式中，第一透光部32的入光面320贴合第一显示面板20a的显示面40，以使第一显示面板20a发出的光线尽可能多地垂直于第一透光部32进入第一透光部32，对应的，尽可能多的光线垂直于第三透光部36射出第三透光部36，从而提高显示设备显示图像的亮度。
请继续参阅图3，本实施例中，通过调整第一显示面板20a发出的光线进入第一透光部32时与从第三透光部36射出时的平移量d的值，可以使显示面40显示的图像平移后正好完全覆盖第一非显示区42，且显示面40显示的图像平移后边缘与第一显示面板20a的边缘对齐，使显示设备显示的图像完整。具体的，平移量d的值等于第一非显示区42的横向长度，即第一非显示区42在第一非显示区42与显示区44的连线方向的长度尺寸，平移后的光线既可以完全遮挡第一非显示区42，又不会出现光线平移过多而使部分图像无法显示的情况。进一步的，第一显示面板20a发出的光线进入第一透光部32时与从第三透光部36射出时的平移量d与多个第一导光件30a的特性有关，包括第一透光部32与第二透光部34的材料折射率的比值n 12＝n 1/n 2＝n 3/n 2，其中n 1为第一透光部32的折射率，n 2为第二透光部34的折射率，n 3为第二透光部34的折射率，n 1＝n 3。第一折射面324 或第二折射面346与显示面40的夹角a、第一折射面324与第二折射面346在垂直方向上的距离L(后面简称为垂直距离L)。具体的，平移量d与比值n 12、夹角a、垂直距离L的关系如下：
d＝L*sin(a)/cos(arcsin(n 12*sina))
平移量d与比值n 12正相关，平移量d与夹角a负相关，平移量d与垂直距离L正相关。因此，通过控制第一透光部32、第二透光部34、第三透光部36的材料折射率、以及第一折射面324或第二折射面346与显示面40的夹角a、第一折射面324与第二折射面346的垂直距离L可以得到不同的平移量d，从而使用不同的第一导光件30a可以适用于第一非显示区42尺寸不同的第一显示面板20a。
请参阅图2和图4，图4为本申请其中一实施例的显示设备的结构示意图。本实施例中，显示面40还包括第二非显示区46，第二非显示区46位于显示区44背离第一非显示区42的一侧，第一导光件30a的出光面上设有遮光层50，遮光层50在显示面40的正投影覆盖第二非显示区46及部分显示区44。第二非显示区46位于显示面40的边缘位置，第二非显示区46的正下方为第一显示面板20a的封装区域22，用于设置第一显示面板20a的金属走线等不透明的结构。一种实施方式中，第二非显示区46为沿显示面40的边缘延伸的长条状区域。遮光层50可以为涂覆于第一导光件30a的出光面上遮光油墨。遮光层50遮挡第二非显示区46，以防止第二非显示区46正下方的封装区域22露出，遮光层50还遮挡部分显示区44，具体的，显示区44连接第二非显示区46的部分发出光线经第一导光件30a作用后向第一非显示区42平移，导致该部分的显示亮度低，遮光层50遮挡显示区44连接第二非显示区46的部分，以防止该位置的显示亮度低而影响显示设备的整体显示效果。
一种实施方式中，遮光层50在第一显示面板20a的正投影的尺寸与第一非显示区42和第二非显示区46的尺寸之和相同。具体的，遮光层50完全覆盖第二显示区44及显示区44因光线平移而显示亮度低的部分，显示设备的整体显示效果。
请参阅图5，图5为本申请其中一实施例提供的显示设备的结构及光路示意图，本实施例中，显示屏10还第二显示屏10b，第二显示屏10b与第一显示屏10a邻接，第二显示屏10b包括第二显示面板20b和第二导光件30b。本 实施例中，第二导光件30b覆盖第二显示面板20b的显示面40，即第二导光件30b覆盖第二显示面板20b的显示区44及第一非显示区42，第二显示面板20b的显示区44发出的用于显示图像的光线全部可以进入第二导光件30b。本实施例中，第二导光件30b的内部结构与第一导光件30a的内部结构相似，第二导光件30b将第二显示面板20b的显示区44射出的光线沿平行于第二显示面板20b的显示面40的方向平移并覆盖第二显示面板20b的第一非显示区42。穿过第二导光件30b而射出的光线平移后可以从第二显示面板20b的第一非显示区42的正上方射出，从而覆盖第二显示面板20b的第一非显示区42。显示设备显示的图像可以覆盖第二显示面板20b的第一非显示区42，从而遮挡了第二显示面板20b内部对应第二显示面板20b的第一非显示区42的封装区域22，用户不会看到第二显示面板20b的第一非显示区42，显示设备得到一侧无边框的显示区域，提高了显示效果。
本实施例中，第一显示屏10a与第二显示屏10b可以固定连接也可以活动连接，第一显示面板20a的显示方向与第二显示面板20b的显示方向相同，第一显示面板20a的显示面40与第二显示面板20b的显示面40位于同一平面。本实施例中，第一显示面板20a的第一非显示区42和第二显示面板20b的第一非显示区42邻接，并位于第一显示面板20a的显示区44和第二显示面板20b的显示区44之间。
本实施例中，第一显示面板20a发出的光线经第一导光件30a折射后向第一方向平移，第二显示面板20b发出的光线经第二导光件30b折射后向第二方向平移。其中，第一方向为第一显示屏10a指向并垂直于第一显示屏10a和第二显示屏10b的连接边的水平方向，第二方向为第二显示屏10b指向并垂直于第一显示屏10a和第二显示屏10b的连接边的水平方向，所述第一方向与第二方向相反。具体的，第一显示面板20a发出的光线经第一导光件30a折射后向靠近第二屏的方向平移，平移后的光线覆盖第一显示面板20a的第一非显示区42a。第一显示屏10a显示的图像可以覆盖第一显示面板20a的第一非显示区42a，从而遮挡了第一显示面板20a内部对应第一非显示区42a的封装区域22，用户不会看到第一非显示区42a，第一显示屏10a得到靠近第二显示屏10b的一侧无边框的显示区域。第二显示面板20b发出的光线经第二导光件30b折射 后向靠近第一屏的方向平移，平移后的光线覆盖第二显示面板20b的第一非显示区42b。第二显示屏10b显示的图像可以覆盖第二显示面板20b的第一非显示区42b，从而遮挡了第二显示面板20b内部对应第一非显示区42b的封装区域22，用户不会看到第一非显示区42b，第二显示屏10b得到靠近第一显示屏10a的一侧无边框的显示区域。进一步的，第一显示屏10a与第二显示屏10b邻接，第一显示屏10a显示的图像与第二显示屏10b显示的图像无缝拼接形成完整的显示区域。一种实施方式中，通过显示驱动芯片的控制，第一显示屏10a与第二显示屏10b可以显示内容上连续的图案，从而第一显示屏10a与第二显示屏10b可以拼接后显示一个更大的图像。
本实施例中，第一显示屏10a和第二显示屏10b可以为尺寸相同的显示屏10，也可以为尺寸不同的显示屏10。一种实施方式中，第一显示面板20a的第一非显示区42a与第二显示面板20b的第一非显示区42b的尺寸可以相同，也可以不同，当第一显示面板20a的第一非显示区42a与第二显示面板20b的第一非显示区42b的尺寸不同时，对应设计第一导光件30a和第二导光件30b的第一透光部32、第二透光部34、第三透光部36的材料折射率、以及第一折射面324或第二折射面346与显示面40的夹角a、第一折射面324与第二折射面346的垂直距离L等特性，也可以得到第一显示屏10a显示的图像与第二显示屏10b显示的图像无缝拼接形成完整的显示区域的效果。
请一并参阅图6至图9，本实施例中，第一显示面板20a和第二显示面板20b发出的光线的平移的方向与第一导光件30a和第二导光件30b的特性有关，具体包括第一透光部32、第二透光部34、第三透光部36的折射率以及第一折射面324、第二折射面346的倾斜方向。具体的，根据第一导光件30a和第二导光件30b的不同，第一显示屏10a和第二显示屏10b至少包括如下几种实施方式。
实施方式一
具体到图6，对于第一显示屏10a，第一导光件30a的第一透光部32的折射率大于第二透光部34的折射率，沿第一方向，第一折射面324至显示面40的垂直距离逐渐增大。从第一显示面板20a的显示区44发出的光线垂直于第一导光件30a的第一透光部32的入光面320进入第一透光部32，该光线与第 一折射面324之间具有夹角，因此可以发生第一次折射，并且第一次折射后的光线顺时针偏转，第一次折射后的光线与第二折射面346之间具有夹角，因此可以发生第二次折射，第二次折射后的光线逆时针偏转，并从第三透光部36的出光面360射出。从第三透光部36的出光面360射出导光件30的光线与从第一透光部32的入光面320进入导光件30的光线相互平行，仅发生平移，具体为沿第一方向的平移。
对于第二显示屏10b，第二导光件30b的第一透光部32的折射率大于第二透光部34的折射率，沿第二方向，第一折射面324至显示面40的垂直距离逐渐增大。从第二显示面板20b的显示区44发出的光线垂直于第二导光件30b的第一透光部32的入光面320进入第一透光部32，该光线与第一折射面324之间具有夹角，因此可以发生第一次折射，并且第一次折射后的光线逆时针偏转，第一次折射后的光线与第二折射面346之间具有夹角，因此可以发生第二次折射，第二次折射后的光线顺时针偏转，并从第三透光部36的出光面360射出。从第三透光部36的出光面360射出导光件30的光线与从第一透光部32的入光面320进入导光件30的光线相互平行，仅发生平移，具体为沿第二方向的平移。
一种实施方式中，第一导光件30a和第二导光件30b的第二透光部34为气隙，例如中空结构，第二透光部34内可以为真空或填充空气，从而第二透光部34的折射率为1，第一导光件30a和第二导光件30b的第一透光部32和第三透光部36为透明材料制成，第一透光部32和第三透光部36的折射率大于1。
实施方式二
具体到图7，对于第一显示屏10a，第一导光件30a的第一透光部32的折射率小于第二透光部34的折射率，沿第一方向，第一折射面324至显示面40的垂直距离逐渐减小。从第一显示面板20a的显示区44发出的光线垂直于第一导光件30a的第一透光部32的入光面320进入第一透光部32，该光线与第一折射面324之间具有夹角，因此可以发生第一次折射，并且第一次折射后的光线顺时针偏转，第一次折射后的光线与第二折射面346之间具有夹角，因此可以发生第二次折射，第二次折射后的光线逆时针偏转，并从第三透光部36 的出光面360射出。从第三透光部36的出光面360射出导光件30的光线与从第一透光部32的入光面320进入导光件30的光线相互平行，仅发生平移，具体为沿第一方向的平移。
对于第二显示屏10b，第二导光件30b的第一透光部32的折射率小于第二透光部34的折射率，沿第二方向，第一折射面324至显示面40的垂直距离逐渐减小。对于第二显示屏10b，第二导光件30b的第一透光部32的折射率大于第二透光部34的折射率，沿第二方向，第一折射面324至显示面40的垂直距离逐渐增大。从第二显示面板20b的显示区44发出的光线垂直于第二导光件30b的第一透光部32的入光面320进入第一透光部32，该光线与第一折射面324之间具有夹角，因此可以发生第一次折射，并且第一次折射后的光线逆时针偏转，第一次折射后的光线与第二折射面346之间具有夹角，因此可以发生第二次折射，第二次折射后的光线顺时针偏转，并从第三透光部36的出光面360射出。从第三透光部36的出光面360射出导光件30的光线与从第一透光部32的入光面320进入导光件30的光线相互平行，仅发生平移，具体为沿第二方向的平移。
一种实施方式中，第一导光件30a和第二导光件30b的第一透光部32和第三透光部36为气隙，例如中空结构，第一透光部32和第三透光部36内可以为真空或填充空气，从而第一透光部32和第三透光部36的折射率为1，第一导光件30a和第二导光件30b的第二透光部34为透明材料制成，第二透光部34的折射率大于1。
实施方式三
具体到图8，对于第一显示屏10a，第一导光件30a的第一透光部32的折射率小于第二透光部34的折射率，沿第一方向，第一折射面324至显示面40的垂直距离逐渐减小。从第一显示面板20a的显示区44发出的光线垂直于第一导光件30a的第一透光部32的入光面320进入第一透光部32，该光线与第一折射面324之间具有夹角，因此可以发生第一次折射，并且第一次折射后的光线顺时针偏转，第一次折射后的光线与第二折射面346之间具有夹角，因此可以发生第二次折射，第二次折射后的光线逆时针偏转，并从第三透光部36的出光面360射出。从第三透光部36的出光面360射出导光件30的光线与从第一透光部32的 入光面320进入导光件30的光线相互平行，仅发生平移，具体为沿第一方向的平移。
一种实施方式中，第一导光件30a的第一透光部32和第三透光部36为气隙，例如中空结构，第一透光部32和第三透光部36内可以为真空或填充空气，从而第一透光部32和第三透光部36的折射率为1，第一导光件30a的第二透光部34为透明材料制成，第二透光部34的折射率大于1。
对于第二显示屏10b，第二导光件30b的第一透光部32的折射率大于第二透光部34的折射率，沿第二方向，第一折射面324至显示面40的垂直距离逐渐增大。从第二显示面板20b的显示区44发出的光线垂直于第二导光件30b的第一透光部32的入光面320进入第一透光部32，该光线与第一折射面324之间具有夹角，因此可以发生第一次折射，并且第一次折射后的光线逆时针偏转，第一次折射后的光线与第二折射面346之间具有夹角，因此可以发生第二次折射，第二次折射后的光线顺时针偏转，并从第三透光部36的出光面360射出。从第三透光部36的出光面360射出导光件30的光线与从第一透光部32的入光面320进入导光件30的光线相互平行，仅发生平移，具体为沿第二方向的平移。
一种实施方式中，第二导光件30b的第二透光部34为气隙，例如中空结构，第二透光部34内可以为真空或填充空气，从而第二透光部34的折射率为1，第二导光件30b的第一透光部32和第三透光部36为透明材料制成，第一透光部32和第三透光部36的折射率大于1。
实施方式四
具体到图9，对于第一显示屏10a，第一导光件30a的第一透光部32的折射率大于第二透光部34的折射率，沿第一方向，第一折射面324至显示面40的垂直距离逐渐增大。从第一显示面板20a的显示区44发出的光线垂直于第一导光件30a的第一透光部32的入光面320进入第一透光部32，该光线与第一折射面324之间具有夹角，因此可以发生第一次折射，并且第一次折射后的光线顺时针偏转，第一次折射后的光线与第二折射面346之间具有夹角，因此可以发生第二次折射，第二次折射后的光线逆时针偏转，并从第三透光部36的出光面360射出。从第三透光部36的出光面360射出导光件30的光线与从第一透光部32的 入光面320进入导光件30的光线相互平行，仅发生平移，具体为沿第一方向的平移。
一种实施方式中，第一导光件30a的第二透光部34为气隙，例如中空结构，第二透光部34内可以为真空或填充空气，从而第二透光部34的折射率为1，第一导光件30a的第一透光部32和第三透光部36为透明材料制成，第一透光部32和第三透光部36的折射率大于1。
对于第二显示屏10b，第二导光件30b的第一透光部32的折射率小于第二透光部34的折射率，沿第二方向，第一折射面324至显示面40的垂直距离逐渐减小。从第二显示面板20b的显示区44发出的光线垂直于第二导光件30b的第一透光部32的入光面320进入第一透光部32，该光线与第一折射面324之间具有夹角，因此可以发生第一次折射，并且第一次折射后的光线逆时针偏转，第一次折射后的光线与第二折射面346之间具有夹角，因此可以发生第二次折射，第二次折射后的光线顺时针偏转，并从第三透光部36的出光面360射出。从第三透光部36的出光面360射出导光件30的光线与从第一透光部32的入光面320进入导光件30的光线相互平行，仅发生平移，具体为沿第二方向的平移。
一种实施方式中，第二导光件30b的第一透光部32和第三透光部36为气隙，例如中空结构，第一透光部32和第三透光部36内可以为真空或填充空气，从而第一透光部32和第三透光部36的折射率为1，第二导光件30b的第二透光部34为透明材料制成，第二透光部34的折射率大于1。
一种实施方式中，第一导光件30a的第一透光部32与第二导光件30b的第一透光部32互连为一体，避免第一透光部32与第二透光部34在拼接处的缝隙导致第一显示屏10a显示的图像与第二显示屏10b显示的图像之间具有缝隙。另一种实施方式中，第一导光件30a的第二透光部34与第二导光件30b的第二透光部34互连为一体，第一导光件30a的第三透光部36与第二导光件30b的第三透光部36互连为一体。
请参阅图10，图10所示为本申请其中一实施例的显示设备的结构示意图。本实施例中，第一导光件30a和第二导光件30b互连为一体形成透光件300，显示设备还包括承载体60，第一显示面板20a和第二显示面板20b位于承载体60 与透光件300之间。一种实施方式中，承载体60可以为壳体、中框等，承载体60用于支撑第一显示屏10a和第二显示屏10b，以及设置主板、电池等器件。本实施例中，第一显示面板20a和第二显示面板20b的位置固定，通过显示驱动芯片的控制，第一显示面板20a和第二显示面板20b各显示完整画面的一半，第一显示面板20a显示的图像和第二显示面板20b显示的图像拼接后形成完整的图像。本实施例中，第一显示面板20a和第二显示面板20b将显示面板20分成了两个部分，第一显示面板20a和第二显示面板20b上的数据线、扫描线更短，显示图像的响应速度更快，画面显示效果更好。
请参阅图11，图11所示为本申请其中一实施例的显示设备的结构示意图。本实施例中，显示设备还包括第一承载件62和第二承载件64，第一显示屏10a设置于第一承载件62上，第二显示屏10b设置于第二承载件64上，第一承载件62与第二承载件64转动连接，以使第一显示屏10a与第二显示屏10b可相对转动；第一导光件30a与第二导光件30b为柔性材料。本实施例中，第一承载件62和第二承载件64可以通过铰链等结构相互转动，从而使显示设备具有折叠和展开两种使用状态。当第一承载件62和第二承载件64相对展开时，第一显示屏10a和第二显示屏10b的显示面40朝向一致，第一显示屏10a和第二显示屏10b拼接以显示一个更大的完整的图像；当第一承载件62和第二承载件64相对折叠时，第一显示屏10a和第二显示屏10b的显示面40朝向向背，以较小显示设备的体积，便于携带。
一种实施方式中，当第一承载件62与第二承载件64相对折叠时，第一显示屏10a位于第一承载件62背离第二承载件64的一侧，第二显示屏10b位于第二承载件64背离第一承载件62的一侧。
另一种实施方式中，当第一承载件62与第二承载件64相对折叠时，第一显示屏10a位于第一承载件62面向第二承载件64的一侧，第二显示屏10b位于第二承载件64面向第一承载件62的一侧。
请参阅图12，图12所示为本申请其中一实施例的显示设备的结构示意图。本实施例中，显示设备还包括第一承载件62和第二承载件64，第一显示屏10a设置于第一承载件62上，第二显示屏10b设置于第二承载件64上，第一承载件62与第二承载件64可拆卸连接。具体的，第一承载件62与第二承载可以通过内 设的磁性件相互连接。本实施例中，第一承载件62和第一显示屏10a可以形成单独的显示装置，第二承载件64和第二显示屏10b可以形成另一个单独的显示装置，两个显示装置可以各自单独使用，也可以装配在一起后组合使用，使用方式灵活。
需要理解的是，在本实用新型的实施方式的描述中，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本实用新型的实施方式和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本实用新型的实施方式的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个所述特征。在本实用新型的实施方式的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本实用新型的实施方式的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接或可以相互通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本实用新型的实施方式中的具体含义。
在本实用新型的实施方式中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度小于第二特征。
上文的公开提供了许多不同的实施方式或例子用来实现本实用新型的实 施方式的不同结构。为了简化本实用新型的实施方式的公开，下文中对特定例子的部件和设置进行描述。当然，它们仅仅为示例，并且目的不在于限制本实用新型。此外，本实用新型的实施方式可以在不同例子中重复参考数字和/或参考字母，这种重复是为了简化和清楚的目的，其本身不指示所讨论各种实施方式和/或设置之间的关系。此外，本实用新型的实施方式提供了的各种特定的工艺和材料的例子，但是本领域普通技术人员可以意识到其他工艺的应用和/或其他材料的使用。
在本说明书的描述中，参考术语“一个实施方式”、“一些实施方式”、“示意性实施方式”、“示例”、“具体示例”或“一些示例”等的描述意指结合所述实施方式或示例描述的具体特征、结构、材料或者特点包含于本实用新型的至少一个实施方式或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施方式或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施方式或示例中以合适的方式结合。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易的想到各种等效的修改或替换，这些修改或替换都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以权利要求的保护范围为准。

Claims (20)

  1. 一种显示设备，其特征在于，所述显示设备包括第一显示屏，所述第一显示屏包括第一显示面板及覆盖于所述第一显示面板的显示面上的第一导光件，所述显示面包括显示区及第一非显示区，所述第一非显示区位于所述显示区的一侧，所述第一导光件的折射率沿着所述显示面的出光方向变化而将所述显示区射出的光线沿平行于所述显示面的方向平移并覆盖所述第一非显示区。
  2. 根据权利要求1所述的显示设备，其特征在于，所述第一导光件包括依次叠设的第一透光部、第二透光部及第三透光部，所述第二透光部的折射率与所述第一透光部及所述第三透光部的折射率均不相同。
  3. 根据权利要求2所述的显示设备，其特征在于，所述第一透光部的折射率与所述第三透光部的折射率相同。
  4. 根据权利要求3所述的显示设备，其特征在于，所述第一透光部与所述第二透光部之间形成第一折射面，所述第二透光部与所述第三透光部之间形成第二折射面，所述第一折射面和所述第二折射面平行并与所述显示面呈一夹角。
  5. 根据权利要求4所述的显示设备，其特征在于，所述第一透光部的入光面与所述第一显示面板平行，所述第三透光部的出光面与所述第一显示面板平行。
  6. 根据权利要求5所述的显示设备，其特征在于，所述显示设备还包括第二显示屏，所述第二显示屏与所述第一显示屏邻接，所述第一显示面板发出的光线经所述第一导光件折射后向第一方向平移，所述第二显示屏包括第二显示面板和第二导光件，所述第二显示面板发出的光线经所述第二导光件折射后向第二方向平移；
    其中，所述第一方向为所述第一显示屏指向所述第二显示屏的方向，所述第二方向为所述第二显示屏指向所述第一显示屏的方向。
  7. 根据权利要求6所述的显示设备，其特征在于，所述第一导光件的所述第一透光部的折射率大于所述第二透光部的折射率，沿所述第一方向，所述第一折射面至所述显示面的垂直距离逐渐增大；
    所述第二导光件的所述第一透光部的折射率大于所述第二透光部的折射 率，沿所述第二方向，所述第一折射面至所述显示面的垂直距离逐渐增大。
  8. 根据权利要求7所述的显示设备，其特征在于，所述第二透光部为气隙。
  9. 根据权利要求6所述的显示设备，其特征在于，所述第一导光件的所述第一透光部的折射率小于所述第二透光部的折射率，沿所述第一方向，所述第一折射面至所述显示面的垂直距离逐渐减小；
    所述第二导光件的所述第一透光部的折射率小于所述第二透光部的折射率，沿所述第二方向，所述第一折射面至所述显示面的垂直距离逐渐减小。
  10. 根据权利要求6所述的显示设备，其特征在于，所述第一导光件的所述第一透光部的折射率小于所述第二透光部的折射率，沿所述第一方向，所述第一折射面至所述显示面的垂直距离逐渐减小；
    所述第二导光件的所述第一透光部的折射率大于所述第二透光部的折射率，沿所述第二方向，所述第一折射面至所述显示面的垂直距离逐渐增大。
  11. 根据权利要求6所述的显示设备，其特征在于，所述第一导光件的所述第一透光部的折射率大于所述第二透光部的折射率，沿所述第一方向，所述第一折射面至所述显示面的垂直距离逐渐增大；
    所述第二导光件的所述第一透光部的折射率小于所述第二透光部的折射率，沿所述第二方向，所述第一折射面至所述显示面的垂直距离逐渐减小。
  12. 根据权利要求7至11任意一项所述的显示设备，其特征在于，所述第一导光件的所述第一透光部与所述第二导光件的所述第一透光部互连为一体。
  13. 根据权利要求12所述的显示设备，其特征在于，所述第一导光件的所述第二透光部与所述第二导光件的所述第二透光部互连为一体。
  14. 根据权利要求13所述的显示设备，其特征在于，所述第一导光件的所述第三透光部与所述第二导光件的所述第三透光部互连为一体。
  15. 根据权利要求6所述的显示设备，其特征在于，所述第一导光件和所述第二导光件互连为一体形成透光件，所述显示设备还包括承载体，所述第一显示面板和所述第二显示面板位于所述承载体与所述透光件之间。
  16. 根据权利要求6所述的显示设备，其特征在于，所述显示设备还包括第一承载件和第二承载件，所述第一显示屏设置于所述第一承载件上，所述第二显示屏设置于所述第二承载件上，所述第一承载件与所述第二承载件转动连 接，以使所述第一显示屏与所述第二显示屏可相对转动；所述第一导光件与所述第二导光件为柔性材料。
  17. 根据权利要求6所述的显示设备，其特征在于，所述显示设备还包括第一承载件和第二承载件，所述第一显示屏设置于所述第一承载件上，所述第二显示屏设置于所述第二承载件上，所述第一承载件与所述第二承载件可拆卸连接。
  18. 根据权利要求2所述的显示设备，其特征在于，所述第一透光部、第二透光部及第三透光部一体成型，所述第一导光件可拆卸地贴合于所述第一显示面板的显示面上。
  19. 根据权利要求1所述的显示设备，其特征在于，所述显示面还包括第二非显示区，所述第二非显示区位于所述显示区背离所述第一非显示区的一侧，所述第一导光件的出光面上设有遮光层，所述遮光层在所述显示面的正投影覆盖所述第二非显示区及部分所述显示区。
  20. 根据权利要求19所述的显示设备，其特征在于，所述遮光层在所述显示区的正投影的尺寸与所述第一非显示区和第二非显示区的尺寸之和相同。
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