WO2010106590A1 - 表示装置 - Google Patents
表示装置 Download PDFInfo
- Publication number
- WO2010106590A1 WO2010106590A1 PCT/JP2009/005496 JP2009005496W WO2010106590A1 WO 2010106590 A1 WO2010106590 A1 WO 2010106590A1 JP 2009005496 W JP2009005496 W JP 2009005496W WO 2010106590 A1 WO2010106590 A1 WO 2010106590A1
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- WIPO (PCT)
- Prior art keywords
- display
- support member
- display device
- display unit
- convex surface
- Prior art date
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- 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
- G02F1/133305—Flexible substrates, e.g. plastics, organic film
-
- 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
- G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1647—Details related to the display arrangement, including those related to the mounting of the display in the housing including at least an additional display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/02—Details
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- 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
- G02F1/13336—Combining plural substrates to produce large-area displays, e.g. tiled displays
Definitions
- the present invention relates to a display device in which at least a part is constituted by a flexible substrate.
- flat panel displays such as liquid crystal display devices and organic EL display devices are expected to be widely applied in various fields.
- it is suitably used in the field of mobile devices such as mobile phones and PDAs, taking advantage of its thin and lightweight features.
- Patent Document 1 discloses a foldable display device 100 applied to a mobile phone as shown in FIG. 18 which is a perspective view.
- a first housing 101 and a second housing 102 are assembled through a hinge portion 103.
- the first casing 101 rotates with respect to the second casing 102 with the hinge portion 103 as an axis, so that the first casing 101 and the second casing 102 open and close. It is supposed to be.
- a first display panel 105 is mounted on the inner surface of the first casing 101.
- a second display panel 106 is mounted on the inner surface of the second housing 102.
- the first display panel 105 includes a display area 107 and a non-display area 108 formed in a frame shape around the outside thereof.
- the second display panel 106 similarly has a display area 109 and a non-display area 110 formed in a frame shape around the outside thereof.
- the first and second display panels 105 and 106 face each other, while the first and second casings 101 and 102 are opposed to each other.
- the first and second display panels 105 and 106 are arranged side by side in a state in which 102 is opened, thereby constituting a series of screens.
- Patent Document 1 a configuration in which two flat displays are arranged side by side and folded is conceivable, but a non-display area is formed in a frame shape on the outer edges of the two displays.
- the non-display areas are arranged side by side at the joint between the two displays.
- the images of the two displays as a whole are clearly divided by the respective non-display areas at the joints of the displays, and it is inevitable that the appearance of the display is significantly reduced.
- the present invention has been made in view of such various points, and an object of the present invention is to improve the appearance of the display while it can be opened and closed.
- a display device includes a first display unit, a second display unit disposed adjacent to the first display unit, the first display unit, and the second display.
- a display device comprising: a support member that supports the first and second display units so as to be deformed into a folded state that is closed so as to overlap each other and a unfolded state that is opened in a double-spread manner Are each configured by a flexible substrate, and the support member is configured to sandwich the first display unit and the second display unit, and is opposite to the second display unit in the first display unit.
- a convex first convex surface portion that supports the surface of the second display portion during the deformation, and a convex second convex surface that supports the surface of the second display portion opposite to the first display portion during the deformation.
- An intermediate unit that connects the first display unit and the second display unit may be provided, and one display panel may be configured by the first display unit, the second display unit, and the intermediate unit.
- the intermediate part is wound and provided with an intermediate support member that supports the intermediate part, and the support surface on which the intermediate part of the intermediate support member is wound is formed on the convex third convex part. May be.
- the support member may have a concave surface portion formed continuously with the first convex surface portion and the second convex surface portion, and the intermediate portion may be supported by the concave surface portion.
- the support member has a concave surface portion formed continuously with the first convex surface portion and the second convex surface portion, and the intermediate portion is sandwiched between the concave surface portion and the third convex surface portion. May be.
- the support member may include a first support member on which the first convex surface portion is formed and a second support member on which the second convex surface portion is formed.
- a fixing member that fixes the ends of the first support member and the second support member may be further provided.
- the intermediate portion may be provided with a circuit portion in a region supported by the third convex surface portion.
- a convex fourth convex surface portion that supports the surface of the first display portion opposite to the side on which the first support member is provided, and the second support member in the second display portion is provided. You may provide the intermediate
- first display unit and the second display unit may be organic EL display panels.
- the first display unit and the second display unit may be liquid crystal display panels.
- the first display unit and the second display unit further include a backlight having a plurality of light sources and a light guide plate on which light from the light sources is incident, and the first light guide plate of the backlight includes the first display unit.
- an auxiliary light source that illuminates the vicinity of the first convex surface portion and the second convex surface portion may be provided inside the support member.
- the display device includes a display panel formed of a flexible substrate, and a cover member that supports the display panel so that the display panel can be opened and closed.
- the cover member includes a hinge portion and the hinge portion. A first cover portion and a second cover portion that are swingably engaged with each other, and the first cover portion and the second cover portion swing around the axis of the hinge portion, thereby The first cover portion and the second cover portion are configured to be deformable into a folded state in which the one cover portion and the second cover portion overlap each other and an unfolded state in which the first cover portion and the second cover portion are open to each other.
- the support portion may be a storage portion that stores the side portions of the display panel so as to be movable forward and backward.
- first display unit and the second display unit are each formed of a flexible substrate, they can be deformed along the first convex surface portion and the second convex surface portion of the support member, respectively. As a result, in the display device, the first display unit and the second display unit are deformed into a folded state and an unfolded state.
- first display unit and the second display unit in the folded state are supported by the first convex surface portion of the support member on the surface of the first display unit opposite to the second display unit, and the second display unit.
- the surface on the opposite side to the first display portion in FIG. 3 is gradually opened while being supported by the second convex surface portion of the support member, and is in a developed state when it is opened in a spread form.
- the surface of the first display portion opposite to the second display portion is supported by the first convex surface portion of the support member, and the second display portion.
- the surface of the display portion opposite to the first display portion is gradually closed while being supported by the second convex surface portion of the support member, and is folded when closed so as to overlap each other.
- the display device can greatly improve the appearance of display while being able to be opened and closed in a spread.
- the first display unit and the second display unit can be configured by, for example, an organic EL display panel or a liquid crystal display panel. Further, the first display section and the second display section can constitute one display panel together with the intermediate section. In this way, the number of members is reduced and the manufacture of the display device is facilitated. Further, in this case, if the intermediate portion is supported by the third convex surface portion of the intermediate support member, the first display portion and the second display portion can be supported and fixed more stably.
- the first display portion and the second display portion are the intermediate portions while the support member is a single member as a whole. At the same time, it becomes possible to stably support and fix. Furthermore, if the intermediate portion is configured to be sandwiched between the concave surface portion of the support member and the third convex surface portion of the intermediate support member, the first display portion and the like can be supported and fixed more reliably.
- the support member includes the first support member on which the first convex surface portion is formed, the second support member on which the second convex surface portion is formed, and the two members, the first display portion and the second member.
- the display unit can be supported and fixed. In this case, the ends of the first support member and the second support member can be easily fixed by the fixing member.
- the intermediate portion is a portion unrelated to the display, if the circuit portion is provided in the region supported by the third convex surface portion, the space can be used effectively and the region is not deformed. Therefore, it becomes possible to improve the reliability of the circuit unit.
- the first display portion is supported by the fourth convex surface portion from the side opposite to the first support member, while the second display portion is supported from the side opposite to the second support member. If it is configured to be supported by the fifth convex surface portion, the first display portion and the second display portion are bent into an uneven shape. As a result, the stress concentration applied to these substrates can be relaxed and the reliability can be improved. become.
- the light of the auxiliary light source is incident on the region supported by the first convex surface portion and the second convex surface portion of the light guide plate of the backlight.
- the brightness of the display light is increased by the light of the auxiliary light source at the boundary between the first display unit and the second display unit, so that the visibility is further improved.
- the cover member when the display device includes a display panel formed of a flexible substrate and a cover member that supports the display panel so that the display panel can be opened and closed, the cover member includes a hinge that includes the first cover portion and the second cover portion.
- the first cover part and the second cover part are deformed into a folded state where the first cover part and the second cover part overlap each other and an unfolded state where the first cover part and the second cover part are opened from each other.
- the display panel moves forward and backward with the deformation of the cover member while being supported by the support portion.
- the display panel In the folded state of the cover member, one side of the display panel faces the other side. On the other hand, when the cover member is deployed, the display panel is deployed in a substantially planar shape. Therefore, in this unfolded state, the display panel has no boundary between the left and right areas of the display panel, so that one continuous large image can be displayed on the entire display panel. As a result, it is possible to dramatically improve the display appearance while allowing the display device to be opened and closed.
- the support part is a storage part that stores the side part of the display panel, the display part can be stably supported by the storage part.
- the non-display area can be deformed into a folded state or an unfolded state while being hidden by the support member. It is possible to display a continuous image at the boundary between the first display unit and the second display unit so that the user cannot visually recognize the non-display area in the unfolded state. As a result, the display device according to the present invention can greatly improve the appearance of display while being able to be opened and closed in a spread.
- FIG. 1 is a perspective view illustrating an appearance of the display device according to the first embodiment.
- FIG. 2 is a sectional view showing the structure of the display device in the unfolded state according to the first embodiment.
- FIG. 3 is a cross-sectional view illustrating the structure of the display device in the folded state according to the first embodiment.
- FIG. 4 is a perspective view illustrating an appearance of the display device according to the second embodiment.
- FIG. 5 is a side view showing the display device in the unfolded state according to the second embodiment.
- FIG. 6 is a perspective view showing an appearance of the display device according to the third embodiment.
- FIG. 7 is a perspective view showing an appearance of the display device according to the fourth embodiment.
- FIG. 1 is a perspective view illustrating an appearance of the display device according to the first embodiment.
- FIG. 2 is a sectional view showing the structure of the display device in the unfolded state according to the first embodiment.
- FIG. 3 is a cross-sectional view illustrating the structure of the display device
- FIG. 8 is an enlarged perspective view showing the vicinity of the fixing member in the display device according to the fourth embodiment.
- FIG. 9 is a cross-sectional view illustrating the structure of the display device in the folded state according to the fifth embodiment.
- FIG. 10 is a cross-sectional view illustrating the structure of the display device in the folded state according to the sixth embodiment.
- FIG. 11 is a cross-sectional view showing the display device in a developed state according to the seventh embodiment.
- FIG. 12 is a cross-sectional view showing the display device in a developed state according to the seventh embodiment.
- FIG. 13 is a cross-sectional view illustrating the structure of the display device in the folded state according to the eighth embodiment.
- FIG. 14 is a cross-sectional view showing the display device in a developed state according to the ninth embodiment.
- FIG. 9 is a cross-sectional view illustrating the structure of the display device in the folded state according to the fifth embodiment.
- FIG. 10 is a cross-sectional view illustrating the structure of the display
- FIG. 15 is a side view showing the display device in which the cover member according to the tenth embodiment is in a folded state.
- FIG. 16 is a plan view showing the display device in which the cover member according to the tenth embodiment is in the developed state.
- FIG. 17 is a side view showing the display device in which the cover member according to the tenth embodiment is in the developed state.
- FIG. 18 is a perspective view showing the appearance of a conventional display device.
- Embodiment 1 of the Invention 1 to 3 show Embodiment 1 of the present invention.
- FIG. 1 is a perspective view showing an appearance of the display device 1 according to the first embodiment.
- FIG. 2 is a cross-sectional view showing the structure of the display device 1 in the unfolded state according to the first embodiment.
- FIG. 3 is a cross-sectional view illustrating the structure of the display device 1 in the folded state according to the first embodiment.
- the display device 1 of Embodiment 1 is an organic EL display device, and as shown in FIG. 1, a first display unit 11 and a second display unit 12 arranged adjacent to the first display unit 11. And a support member 20 that supports the first display unit 11 and the second display unit 12.
- the display device 1 of Embodiment 1 includes an intermediate portion 13 that integrally connects the first display portion 11 and the second display portion 12, and the first display portion 11,
- One display panel 10 is configured by the entire second display unit 12 and intermediate unit 13.
- the display panel 10 includes an organic EL display including a flexible rectangular film-like first substrate 31 and second substrate 32, and a light emitting layer (not shown) provided between them as a display medium layer. It consists of panels. That is, the 1st display part 11 and the 2nd display part 12 which are some display panels 10 are also comprised by the flexible substrate, respectively.
- the display panel 10 has a thickness of, for example, about 30 ⁇ m to 100 ⁇ m.
- the first substrate 31 and the second substrate 32 are made of, for example, PES (polyether sulfone).
- the first substrate 31 and the second substrate 32 are a plastic substrate such as PEN (polyethylene naphthalate) or PI (polyimide), and a composite substrate in which a glass fiber or glass cloth is combined with the plastic substrate.
- PEN polyethylene naphthalate
- PI polyimide
- it can be constituted by a metal foil or the like.
- the second substrate 32 is configured, for example, as an active matrix substrate, and has a configuration in which a plurality of pixels having switching elements such as TFTs (thin film transistors) are arranged in a matrix.
- the first display unit 11 and the second display unit 12 are configured to emit light from a light emitting layer (not shown) from the first substrate 31 side.
- the support member 20 includes a folded state in which the first display unit 11 and the second display unit 12 are closed so as to overlap each other (see FIG. 3) and an unfolded state in which the first display unit 11 and the second display unit 12 are opened in a spread form (see FIGS. 1 and 2). It is supported to deform.
- the support member 20 has a first support member 21 and a second support member 22 each formed in a columnar shape.
- the first support member 21 and the second support member 22 are formed with the same diameter and the same length.
- the radius of the first support member 21 and the second support member 22 is about 2 mm.
- the 1st support member 21 and the 2nd support member 22 are comprised, for example with the resin material, it is also possible to comprise with another metal material.
- the support member 20 narrows the first display unit 11 and the second display unit 12 from the second substrate 32 side by the first support member 21 and the second support member 22. It is configured to hold.
- the first substrate 31 of the first display unit 11 and the first substrate 31 of the second display unit 12 are in line contact. This line contact position will be referred to as a boundary 30 between the first display unit 11 and the second display unit 12 in the following description.
- the first support member 21 has a convex first convex surface portion 25 that supports the surface of the first display portion 11 opposite to the second display portion 12 during the deformation.
- the second support member 22 has a convex second convex surface portion 26 that supports the surface of the second display portion 12 opposite to the first display portion 11 during the deformation.
- the first convex surface portion 25 is a region of the first display portion 11 and the second display portion 12 that is in contact with the first display portion 11 on the surface of the first support member 21 in the unfolded state. It is formed in a region opposite to the intermediate portion 13 from the boundary 30.
- the second convex surface portion 26 is formed in a region on the surface opposite to the intermediate portion 13 from the boundary 30 in a region in contact with the second display unit 12 on the surface of the second support member 22 in the developed state. Yes.
- the first display unit 11 is bonded to the first support member 21 with an adhesive 28.
- the adhesive 28 is provided in a region on the intermediate portion 13 side from the boundary 30 in a region in contact with the first display unit 11 on the surface of the first support member 21.
- the second display unit 12 is similarly bonded to the second support member 22 with an adhesive 29.
- the adhesive 29 is provided in the region on the intermediate portion 13 side from the boundary 30 in the region in contact with the second display portion on the surface of the second support member 22.
- the display device 1 includes an intermediate support member 23 around which the intermediate portion 13 is wound and supports the intermediate portion 13.
- the intermediate support member 23 is formed in, for example, a cylindrical shape having the same diameter and the same length as the first support member 21 and is made of, for example, a resin material.
- the intermediate support member 23 can be made of, for example, a metal material in addition to the resin.
- the intermediate support member 23 has a convex third convex surface portion 27 that supports the intermediate portion 13. That is, the support surface around which the intermediate portion 13 of the intermediate support member 23 is wound is formed on the third convex surface portion. Thus, the intermediate portion 13 is bonded to the intermediate support member 23 by the adhesive 34 provided on the third convex surface portion 27. Here, an area of the display panel 10 that is in contact with the intermediate support member 23 is formed in the intermediate portion 13.
- the surface of the intermediate support member 23 and the second substrate 32 of the first display unit 11 and the second display unit 12. are filled with an adhesive 35.
- the adhesive 35 By providing the adhesive 35, the positional relationship among the first support member 21, the second support member 22, and the intermediate support member 23 is fixed.
- the display panel 10 has a non-display area 15 formed in a frame shape on the outer peripheral portion thereof.
- the intermediate portion 13 is configured as a non-display region, and the region closer to the intermediate portion 13 than the boundary 30 in the first display portion 11 and the second display portion 12 in the expanded state (that is, a region that is not visually recognized by the user). Is also configured in a non-display area.
- the display panel 10 in the unfolded state has the non-display area 15 formed in a frame shape at the outer edge portion, while the display area 16 is formed in the entire inside thereof. ing.
- the display area 16 is configured to display a continuous image at the boundary 30.
- non-display area 15 a drive circuit for driving the pixels formed in the display area 16 is formed.
- the non-display area 15 does not need to be provided over the entire circumference of the display panel 10 in the unfolded state, and can be provided at least in part.
- the first display unit 11 and the second display unit 12 are each configured by a flexible substrate such as PES, for example, the first display unit 11 and the second display unit 12 are provided on the first convex unit 25 and the second convex unit 26 of the support member 20. Each can be deformed along. Accordingly, in the display device 1, the first display unit 11 and the second display unit 12 are deformed into a folded state (see FIG. 3) and an unfolded state (FIGS. 1 and 2).
- the first display unit 11 and the second display unit 12 in the folded state have a surface on the opposite side of the first display unit 11 from the second display unit 12 of the first support member 21. While being supported by the first convex surface portion 25 and being supported by the second convex surface portion 26 of the second support member 22, the surface of the second display portion 12 opposite to the first display portion 11 is separated from each other. It gradually opens and becomes unfolded when it is opened in a spread form.
- a predetermined image is displayed in the display area 16 of the display panel 10 that is wide open, and is suitably viewed by the user.
- first display unit 11 and the second display unit 12 in the unfolded state are similarly supported on the surface of the first display unit 11 opposite to the second display unit 12 by the first convex surface unit 25.
- the surface of the second display portion 12 opposite to the first display portion 11 is gradually closed so as to approach each other while being supported by the second convex surface portion 26, and is folded when closed so as to overlap each other. It becomes a state.
- the display device 1 that has become small in this folded state is preferably carried by the user.
- the first display unit 11 and the second display unit 12 made of a flexible substrate are held between the support members 20, the first display unit 11 and the second display unit 12 are arranged. Even if the non-display area has a non-display area, the non-display area can be deformed into a folded state or an unfolded state while being nipped and hidden by the support member 20, and the user can set the non-display area in the unfolded state. It is possible to display one large image that is continuous at the boundary 30 between the first display unit 11 and the second display unit 12 so as not to be visually recognized. As a result, the display device 1 can greatly improve the appearance of display while being able to be opened and closed in a spread.
- the entire apparatus can be made compact and easy to carry, while in use, the display panel 10 can be easily unfolded and its handling can be dramatically improved.
- first display unit 11 and the second display unit 12 are configured as one display panel 10 together with the intermediate unit 13, the number of members can be reduced and the manufacture of the display device 1 can be facilitated.
- the intermediate portion 13 is supported by the third convex surface portion 27 of the intermediate support member 23, the first display portion 11 and the second display portion 12 can be supported and fixed more stably in the support member 20. Can do.
- first display unit 11 and the second display unit 12 are bent and supported by the support member 20 and the intermediate support member 23, the stress applied to the first substrate 31 and the second substrate 32. Reduces concentration and increases reliability.
- Embodiment 2 of the Invention >> 4 and 5 show Embodiment 2 of the present invention.
- FIG. 4 is a perspective view showing an appearance of the display device 1 according to the second embodiment.
- FIG. 5 is a side view showing the display device 1 in the unfolded state according to the second embodiment.
- the same parts as those in FIGS. 1 to 3 are denoted by the same reference numerals, and detailed description thereof will be omitted.
- the display device 1 is an organic EL display device, whereas the display device 1 in the second embodiment is configured by a liquid crystal display device.
- the display panel 10 includes a flexible rectangular film-like first substrate 31 and second substrate 32 such as PES, and a display medium layer provided therebetween.
- the liquid crystal display panel is provided with a liquid crystal layer (not shown).
- Each of the first substrate 31 and the second substrate 32 has a thickness of, for example, about 25 ⁇ m.
- a plastic substrate such as PEN (polyethylene naphthalate) or PI (polyimide), and a glass fiber or glass cloth or the like on the plastic substrate. It can be composed of a composite substrate, a metal foil, or the like.
- the thickness of the display panel 10 (that is, the total thickness of the first substrate 31, the second substrate 32, and the liquid crystal layer) depends on the material of the substrate. Therefore, it is preferable to form a thickness of about 10 ⁇ m to 100 ⁇ m.
- the first substrate 31 is formed with a color filter, a common electrode (not shown) and the like, and is covered with an alignment film (not shown).
- a plurality of photo spacers (Photo ⁇ ⁇ ⁇ ⁇ Spacers) having a height that defines the thickness of the liquid crystal layer are formed on the first substrate 31 at predetermined intervals.
- the photo spacer is made of a photosensitive resin.
- the spacer it is also possible to apply a particulate spacer made of resin or the like.
- the second substrate 32 is configured, for example, as an active matrix substrate, and a plurality of pixels (not shown) are arranged in a matrix.
- a TFT (not shown) as a switching element
- a pixel electrode (not shown) connected to the TFT, and the like are formed. These are each covered with an alignment film (not shown).
- the liquid crystal layer is enclosed between the first substrate 31 and the second substrate 32 in a state surrounded by a frame-shaped seal member (not shown).
- a non-conductive resin having strong adhesion such as an epoxy resin
- a thermoplastic resin having high elasticity such as a silicone resin or a thermoplastic elastomer.
- the liquid crystal material for example, nematic liquid crystal is used, but cholesteric liquid crystal, smectic liquid crystal, or the like may be used.
- polarizing plates are respectively provided on both outer sides of the display panel 10.
- the thickness of the polarizing plate is, for example, about 65 ⁇ m.
- the display device 1 includes a backlight 18 as an illumination unit stacked on the display panel 10.
- the backlight 18 includes LEDs 36 as a plurality of light sources, and a light guide plate 33 on which light from the LEDs 36 is incident. That is, the first display unit 11 and the second display unit 12 each have a backlight.
- the light guide plate 33 is provided on the opposite side of the second substrate 32 from the first substrate 31, and is supported by the support member 20 and the intermediate support member 23 together with the first substrate 31 and the second substrate 32.
- the light guide plate 33 is made of a relatively soft material such as silicone resin, and has a thickness of about 0.7 mm, for example.
- a plurality of LEDs 36 are provided at predetermined intervals in the non-display area 15 on one side of the display panel 10 that intersects the longitudinal direction of the support member 20. Light is supplied to the light guide plates 33 of the first display unit 11 and the second display unit 12 by these LEDs 36.
- the LED 37 serving as an auxiliary light source for allowing light to enter is provided in a region supported by.
- the luminance of the display panel 10 is increased in the vicinity of the boundary 30.
- the display panel is a reflective display type, it is possible to adopt a panel configuration that does not include the backlight 18 or the backlight 18 and the polarizing plate.
- the support member 20 and the intermediate support member 23 have the same configuration as that of the first embodiment. However, in order to support the light guide plate 33 in addition to the first substrate 31 and the second substrate 32, the support members 20 and 23 are provided. Is formed with a radius of about 5 mm.
- the display device 1 according to the second embodiment can be transformed into the expanded state and the folded state as in the first embodiment, and can display one continuous large image at the boundary 30. Therefore, it is possible to greatly improve the appearance of the display while it can be opened and closed in a spread.
- the LED 37 as an auxiliary light source since the LED 37 as an auxiliary light source is provided, the brightness of the display light can be increased by the light of the LED 37 at the boundary 30 between the first display unit 11 and the second display unit 12. Display visibility can be further increased.
- FIG. 6 shows Embodiment 3 of the present invention.
- FIG. 6 is a perspective view showing an appearance of the display device 1 according to the third embodiment.
- the display device 1 of the third embodiment is configured by a liquid crystal display device as in the second embodiment.
- the light of the LED 37 as the auxiliary light source is incident on the light guide plate 33 in the vicinity of the boundary 30, whereas in the third embodiment, the first convex surface portion 25 and the support member 20 are provided inside the support member 20.
- An auxiliary light source 38 that illuminates the vicinity of the second convex surface portion 26 is provided.
- the first support member 21 and the second support member 22 in Embodiment 3 are each configured by a cylindrical light-transmitting member, and a fluorescent tube 38 or the like as an auxiliary light source is disposed therein. Yes.
- the auxiliary light source of Embodiment 3 may have a configuration in which a plurality of LEDs are arranged in a line, for example.
- the first convex surface portion 25 in which the display panel 10 is curved in addition to being able to greatly improve the appearance of the display while being openable and closable. And the vicinity of the 2nd convex-surface part 26 can be illuminated brightly with the fluorescent tube 38, and the visibility of a display can be improved more.
- Embodiment 4 of the Invention >> 7 and 8 show Embodiment 4 of the present invention.
- FIG. 7 is a perspective view showing an appearance of the display device 1 according to the fourth embodiment.
- FIG. 8 is an enlarged perspective view showing the vicinity of the fixing member 39 in the display device 1 according to the fourth embodiment.
- the display device 1 of the fourth embodiment is configured by a liquid crystal display device as in the second embodiment.
- a plurality of LEDs 36 that are light sources of the backlight 18 are provided on one side of the display panel 10 parallel to the longitudinal direction of the support member 20.
- the plurality of LEDs 36 are arranged at predetermined intervals in a non-display area on one side of the display panel.
- a fixing member 39 that fixes the ends of the first support member 21 and the second support member 22 together with the ends of the intermediate support member 23 is provided at one end of the support member 20 and the intermediate support member 23.
- the fixing member 39 is formed in a cap shape having a recess (not shown), and the end portions of the first support member 21, the second support member 22, and the intermediate support member 23 are inserted into the recess, Is supposed to be fixed.
- the fixing member 39 may be provided not only on one end side of the support member 20 but on both end sides of the support member 20. As will be described later, when the intermediate support member 23 is not provided, the ends of the first support member 21 and the second support member 22 may be fixed by the cap-shaped fixing member 39.
- Embodiment 4- Therefore, according to the fourth embodiment, the same effect as in the second embodiment can be obtained, and the support member 20 and the intermediate support member 23 can be more reliably fixed. If both ends of the support member 20 and the intermediate support member 23 are fixed by the fixing member 39, the adhesives 28, 29, 34, and 35 provided on the support member 20 and the intermediate support member 23 are omitted without being provided. It becomes possible. As a result, the product cost can be reduced.
- FIG. 9 shows Embodiment 5 of the present invention.
- FIG. 9 is a cross-sectional view showing the structure of the display device 1 in the folded state according to the fifth embodiment.
- the support member 20 is composed of the two members of the first support member 21 and the second support member 22, whereas the support member 20 of the fifth embodiment is composed of one member. ing.
- the support member 20 according to the fifth embodiment has two ridges 45 and a groove 46 formed between them, and is made of, for example, a resin material. Note that the support member 20 can be made of other materials such as a metal material.
- the groove portion 46 accommodates the intermediate portion 13 of the display panel 10 configured as an organic EL display panel, while the two ridge portions 45 sandwich the first display portion 11 and the second display portion 12. Yes.
- the display panel 10 is supported by the support member 20 when the first display portion 11 and the second display portion 12 are sandwiched between the two protrusions 45 in a state where the intermediate portion 13 is accommodated in the groove portion 46. It is supported.
- the first convex surface portion 25 and the second convex surface portion 26 are formed on the two convex strip portions 45, respectively.
- the groove portion 46 has a concave surface portion 50 formed continuously with the first convex surface portion 25 and the second convex surface portion 26. As shown in FIG. 9, the concave surface portion 50 is formed in an arc shape in cross section, and the intermediate support member 23 is accommodated together with the intermediate portion 13.
- the intermediate support member 23 has the same configuration as that of the first embodiment, and is formed in a columnar shape having the third convex surface portion 27.
- the intermediate portion 13 is held between the third convex surface portion 27 and the concave surface portion 50 of the support member 20 in a state where the intermediate support member 23 is accommodated in the groove portion 46.
- the display device 1 can be deformed into an expanded state in which the first display unit 11 and the second display unit 12 are opened and a folded state in which the first display unit 11 and the second display unit 12 are overlapped with each other.
- the support member 20 is formed of an elastic resin material, the intermediate portion of the display panel 10 wound around the intermediate support member 23 in a state where the groove portion 46 is opened so as to widen the space between the two protrusions 45. By inserting 13 into the groove 46, the display device 1 can be manufactured.
- the support member 20 is formed of a metal material having no elasticity, the intermediate portion 13 of the display panel 10 wound around the intermediate support member 23 is inserted by sliding from the side with respect to the groove portion 46.
- the display device 1 can be manufactured.
- the same effects as those of the first embodiment can be obtained, and the first display portion 11 and the second display portion 12 can be used as the intermediate portion 13 while the support member 20 is formed as one member as a whole. At the same time, it can be stably supported and fixed. Furthermore, since the intermediate portion 13 is sandwiched between the concave surface portion 50 of the support member 20 and the third convex surface portion 27 of the intermediate support member 23, the first display portion 11 and the second display portion 12 are more reliably included. And the intermediate part 13 can be supported and fixed. In addition, since the support member 20 is a single member, the display device 1 can be easily manufactured.
- FIG. 10 shows Embodiment 6 of the present invention.
- FIG. 10 is a cross-sectional view showing the structure of the display device 1 in the folded state according to the sixth embodiment.
- the intermediate support member 23 is not provided in the fifth embodiment.
- the support member 20 has two projecting ridge portions 45 that sandwich the first display portion 11 and the second display portion 12 and a groove portion 46 formed between them, as in the fifth embodiment.
- the groove 46 is formed with a concave portion 59 formed continuously from the first convex portion 25 and the second convex portion 26 of the two convex strips 45.
- the concave portion 59 is provided with an adhesive 47 over substantially the entire surface.
- the intermediate portion 13 of the display panel 10 is bonded to the concave surface portion 59 by the adhesive material 47.
- the intermediate portion 13 is supported by the concave portion 59 via the adhesive 47.
- Embodiment 6- Therefore, according to the sixth embodiment, the same effect as in the fifth embodiment can be obtained, and the display panel 10 can be supported and fixed by one support member 20 while omitting the intermediate support member 23 without being provided. Can do. Therefore, the number of members can be reduced, and the product cost can be further reduced.
- Embodiment 7 of the Invention >> 11 and 12 show Embodiment 7 of the present invention.
- FIG. 11 and 12 are cross-sectional views showing the display device 1 in the unfolded state according to the seventh embodiment.
- FIG. 11 shows a configuration in which the display device 1 is an organic EL display device.
- FIG. 12 shows a configuration in which the display device 1 is a liquid crystal display device.
- the display panel 10 is configured as a single display panel by the first display unit 11, the second display unit 12, and the intermediate unit 13, whereas the display panel of the seventh embodiment. 10 includes a first display unit 11 and a second display unit 12 which are separately formed. That is, the display device 1 of the seventh embodiment is configured by two display panels.
- the display device 1 includes a support member 20 including a first support member 21 and a second support member 22, and a display panel 10 including a first display unit 11 and a second display unit 12. It has. That is, the display panel 10 does not have the intermediate part 13, and the display device 1 does not have the intermediate support member 23.
- the first display unit 11 is bonded to the first support member 21 with the adhesive 28 as in the first and second embodiments.
- the second display unit 12 is bonded to the second support member 22 with an adhesive 29.
- the first display unit 11 and the second display unit 12 are fixed by being sandwiched between the first support member 21 and the second support member 22.
- the first support member 21 and the second support member 22 can be fixed to each other by, for example, mounting cap-shaped fixing members 39 as described in the fourth embodiment on both ends.
- the display panel 10 can be transformed into the folded state or the unfolded state while the non-display areas of the first display unit 11 and the second display unit 12 are held by the support member 20 and hidden.
- the display device 1 of the seventh embodiment can greatly improve the appearance of the display even though it can be opened and closed.
- intermediate support member 23 is not required and the number of members can be reduced, it is possible to reduce the product cost while downsizing the apparatus.
- FIG. 13 shows Embodiment 8 of the present invention.
- FIG. 13 is a cross-sectional view showing the structure of the display device 1 in the folded state according to the eighth embodiment.
- the display device 1 according to the eighth embodiment includes two display panels (first display unit 11 and second display unit 12) 10 as in the seventh embodiment, but further includes an intermediate support member 23. Is different.
- the intermediate support member 23 in the eighth embodiment is formed in a columnar shape as shown in FIG. 13 and has a surface on the opposite side to the side on which the first support member 21 is provided in the first display unit 11.
- a convex fourth convex surface portion 54 to be supported and a convex fifth convex surface portion 55 to support the surface of the second display portion 12 opposite to the side on which the second support member 22 is provided are formed. ing.
- the first display unit 11 is bonded to the fourth convex surface portion 54 via an adhesive material 34, while the second display portion 12 is bonded to the fifth convex surface portion 55 via an adhesive material 34.
- an adhesive 35 is filled between the intermediate support member 23 and the first display unit 11 and the second display unit 12.
- the adhesive 35 By providing the adhesive 35, the positional relationship among the first support member 21, the second support member 22, and the intermediate support member 23 is fixed. Further, the surface of the intermediate support member 23 opposite to the adhesive 35 is exposed without being covered with the first display unit 11 and the second display unit 12.
- the eighth embodiment even if the display panel 10 is configured by two display panels (the first display unit 11 and the second display unit 12), it can be opened and closed in the same manner as in the first embodiment. In addition to that, the appearance of the display can be greatly improved. In addition, since the first display portion 11 and the second display portion 12 are supported by the support member 20 and the intermediate support member 23 while being bent in an uneven shape, The stress concentration applied to the first substrate 31 and the second substrate 32 constituting the first display unit 11 and the second display unit 12 can be relaxed, and the reliability can be improved.
- FIG. 14 shows Embodiment 9 of the present invention.
- FIG. 14 is a cross-sectional view showing the display device 1 in the unfolded state according to the ninth embodiment.
- the display device 1 of the ninth embodiment is provided with a circuit unit 52 in a region supported by the third convex surface portion 27 of the intermediate portion 13 in the display device 1 of the first embodiment. It is what.
- a circuit unit 52 such as a drive circuit for driving the display panel 10 is formed.
- Embodiment 10 of the Invention >> 15 to 17 show Embodiment 10 of the present invention.
- FIG. 15 is a side view showing the display device 1 in which the cover member 65 in the tenth embodiment is in a folded state.
- FIG. 16 is a plan view showing the display device 1 in which the cover member 65 according to the tenth embodiment is in the unfolded state.
- FIG. 17 is a side view showing the display device 1 in which the cover member 65 according to the tenth embodiment is in the developed state.
- the display device 1 of the tenth embodiment includes a flexible display panel 60 and a cover member 65 attached to the display panel 60.
- the display panel 60 is composed of, for example, an organic EL display panel, and each of the first substrate 61 and the second substrate 62 that are flexible rectangular films has a display medium layer. It has the structure bonded together through the light emitting layer (not shown) which is.
- the display panel 60 is formed to have a thickness of about 30 ⁇ m to 100 ⁇ m, for example.
- the first substrate 61 and the second substrate 62 are made of, for example, PES (polyether sulfone).
- the first substrate 61 and the second substrate 62 are a plastic substrate such as PEN (polyethylene naphthalate) or PI (polyimide), and a composite substrate in which a glass fiber or a glass cloth is combined with the plastic substrate.
- PEN polyethylene naphthalate
- PI polyimide
- a composite substrate in which a glass fiber or a glass cloth is combined with the plastic substrate Alternatively, it can be constituted by a metal foil or the like.
- the second substrate 62 is configured, for example, as an active matrix substrate, and has a configuration in which a plurality of pixels having switching elements such as TFTs are arranged in a matrix.
- the display panel 60 is configured to emit light from a light emitting layer (not shown) from the first substrate 61 side.
- the cover member 65 includes a cylindrical hinge portion 66, and a first cover portion 67 and a second cover portion 68 that are swingably engaged with the hinge portion 66. Has been.
- the cover member 65 is configured such that the first cover portion 67 and the second cover portion 68 swing around the axial center of the hinge portion 66, so that as shown in FIG. 16 and 17, the first cover part 67 and the second cover part 68 are configured to be deformed so that they can be deformed.
- the first cover portion 67, the second cover portion 68, and the hinge portion 66 are made of, for example, a resin material, but may be made of other metal materials or the like.
- a plurality of claw portions 71 and 72 are formed at predetermined intervals on the side portions of the first cover portion 67 and the second cover portion 68, respectively.
- Engagement pins (not shown) are formed at the tips of the claw portions 71 and 72 so as to protrude from the left and right sides.
- the hinge portion 66 engages with the claw portions 71 and 72 and swings so that the cover member 65 can be deformed into a folded state and an unfolded state.
- a plurality of guide grooves 73 for guiding the claw portions 71 and 72 of the 67 and the second cover portion 68 are formed at predetermined intervals. Each guide groove 73 extends in the circumferential direction of the hinge portion 66.
- first cover portion 67 and the second cover portion 68 are respectively formed with pocket-shaped storage portions 75 for storing the side portions of the display panel 60.
- the inside of the housing portion 75 has a width that is slightly larger than the thickness of the display panel 60.
- the accommodating portion 75 is formed with a slit-like opening 76 through which the display panel 60 moves back and forth in accordance with the deformation operation of the cover member 65.
- first cover portion 67 and the second cover portion 68 are respectively formed with concave surface portions 69 that are concavely curved along the surface of the display panel 60 that is curved in a convex shape when the cover member 65 is folded. .
- concave surface portion 69 By providing the concave surface portion 69, it is possible to protect the display panel 60 while maintaining the radius of curvature of the display panel 60 as large as possible.
- the display panel 60 is formed of a flexible substrate such as PES, the display panel 60 can be deformed with the opening / closing operation of the cover member 65.
- the second cover portion 68 rotates around the axial center of the hinge portion 66 while the claw portion 72 is guided along the guide groove 73 of the hinge portion 66 to the other side in the outer peripheral direction of the hinge portion 66.
- the first cover portion 67 and the second cover portion 68 are gradually opened away from each other, and are opened when they are opened in a spread form.
- a predetermined image is displayed on the display panel 60 that is wide open, and is suitably viewed by the user.
- the second cover portion 68 rotates around the axial center of the hinge portion 66 while the claw portion 72 is guided along the guide groove 73 of the hinge portion 66 to one side in the outer peripheral direction of the hinge portion 66.
- the first cover portion 67 and the second cover portion 68 are gradually closed so as to approach each other, and are folded when they are closed so as to overlap each other.
- the display device 1 that has become small in this folded state is preferably carried by the user.
- the display panel 60 is constituted by the first substrate 61 and the second substrate 62 which are flexible substrates, and the display panel 60 is supported by the cover member 65 that can be opened and closed. Therefore, the display device 1 can be deformed to be small when the cover member 65 is folded, and the display device 1 can be largely deformed into a flat shape when the cover member 65 is unfolded.
- the display panel 60 has no boundary between the left and right areas of the display panel 60, so that one continuous large image can be displayed on the entire display panel 60. Therefore, it is possible to dramatically improve the display appearance while allowing the display device 1 to be opened and closed.
- the curved region of the display panel 60 that is curved when the cover member 65 is in the folded state can also be effectively used as the display region.
- the area of the display region can be further increased in the unfolded state.
- the entire apparatus can be made compact and easy to carry in the folded state, while the display panel 60 can be easily expanded to a large size during use, and the handling property can be greatly improved.
- the display device 1 that can be opened and closed by one display panel 60 without being divided into a plurality of display units is configured, the number of members can be reduced and the manufacture of the display device 1 can be facilitated.
- the cover member 65 is provided with a pocket-shaped accommodation portion 75 so that the display panel 60 can be freely moved forward and backward as the cover member 65 is opened and closed.
- the display panel 60 can be opened and closed while being supported.
- the transmissive liquid crystal display device has been described in the second embodiment, the present invention can be similarly applied to a reflective liquid crystal display device having no backlight.
- the organic EL display device has been described.
- the present invention can be similarly applied to other display devices such as a transmissive liquid crystal display device and a reflective liquid crystal display device. .
- the housing portion 75 is provided in the first cover portion 67 and the second cover portion 68.
- the present invention is not limited to this, and the display panel 60 is moved when the cover member 65 is deformed. It is good also as a structure which provides in the said 1st cover part 67 and the 2nd cover part 68 the support part supported so that advancing and retreating is possible.
- the support member may be configured by a belt-like member whose both ends are connected to the first cover part 67 or the second cover part 68, and the display panel 60 may be inserted.
- the liquid crystal display device and the organic EL display device have been described.
- the present invention can be similarly applied to other thin display devices.
- the present invention is useful for a display device in which at least a part is formed of a flexible substrate.
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Abstract
Description
次に、本発明の作用について説明する。
図1~図3は、本発明の実施形態1を示している。
本実施形態1の表示装置1は、有機EL表示装置であって、図1に示すように、第1表示部11と、この第1表示部11に隣接して配置された第2表示部12と、これらの第1表示部11及び第2表示部12を支持する支持部材20とを備えている。
表示パネル10は、それぞれ可撓性を有する矩形フィルム状の第1基板31及び第2基板32と、これらの間に設けられ表示媒体層としての発光層(不図示)とを備えた有機EL表示パネルにより構成されている。つまり、表示パネル10の一部である第1表示部11及び第2表示部12も、それぞれ可撓性基板によって構成されている。表示パネル10の厚みは、例えば30μm~100μm程度に形成されている。
上記支持部材20は、上記第1表示部11及び第2表示部12を、互いに重なるように閉じた折り畳み状態(図3参照)と、見開き状に開いた展開状態(図1及び図2参照)とに変形するように支持している。
さらに、表示装置1は、上記中間部13が巻き付けられて、この中間部13を支持する中間支持部材23を備えている。中間支持部材23は、例えば、上記第1支持部材21と同じ直径で同じ長さの円柱状に形成され、例えば樹脂材料によって構成されている。尚、中間支持部材23は、樹脂以外にも例えば金属材料によって構成することも可能である。
また、表示パネル10は、その外周部分に非表示領域15が額縁状に形成されている。さらに、中間部13が非表示領域に構成されると共に、展開状態の第1表示部11及び第2表示部12における境界30よりも中間部13側の領域(つまり、使用者に視認されない領域)も非表示領域に構成されている。
次に、本実施形態1における表示装置1の変形動作について説明する。
したがって、この実施形態1によると、可撓性基板からなる第1表示部11及び第2表示部12を支持部材20によって狭持するようにしたので、第1表示部11及び第2表示部12が非表示領域を有していても、その非表示領域を支持部材20により狭持して隠しながら折り畳み状態又は展開状態に変形することができ、展開状態のときに使用者が非表示領域を視認できないようにして、第1表示部11と第2表示部12との境界30において連続した1つの大きな画像を表示することができる。その結果、表示装置1は、見開きに開閉可能でありながらも、表示の見栄えを大幅に向上させることができる。
図4及び図5は、本発明の実施形態2を示している。
すなわち、表示パネル10は、図5に示すように、例えばPES等の可撓性を有する矩形フィルム状の第1基板31及び第2基板32と、これらの間に設けられた表示媒体層としての液晶層(不図示)とを備えた液晶表示パネルにより構成されている。第1基板31及び第2基板32の厚みは、それぞれ例えば25μm程度に形成されている。
本実施形態2の表示装置1は、表示パネル10に積層された照明部としてのバックライト18を備えている。バックライト18は、複数の光源としてのLED36と、これらのLED36の光が入射される導光板33とを有している。すなわち、第1表示部11及び第2表示部12は、それぞれバックライトを有している。
支持部材20及び中間支持部材23は、上記実施形態1と同様の構成であるが、第1基板31及び第2基板32に加えて、導光板33を支持するために、各支持部材20,23の半径が、5mm程度に形成されている。
したがって、本実施形態2の表示装置1についても、上記実施形態1と同様に、展開状態と折り畳み状態とに変形することができると共に、境界30において連続した1つの大きな画像を表示することができるため、見開きに開閉可能でありながらも、表示の見栄えを大幅に向上できることとなる。
図6は、本発明の実施形態3を示している。
したがって、本実施形態3によると、上記実施形態1と同様に、見開きに開閉可能でありながらも、表示の見栄えを大幅に向上できることに加え、表示パネル10が湾曲している第1凸面部25及び第2凸面部26の近傍を蛍光管38によって明るく照らすことができ、表示の視認性をより高めることができる。
図7及び図8は、本発明の実施形態4を示している。
したがって、本実施形態4によると、上記実施形態2と同様の効果が得られると共に、支持部材20及び中間支持部材23をより確実に固定することができる。また、支持部材20及び中間支持部材23の両端を固定部材39によって固定するようにすれば、支持部材20及び中間支持部材23に設ける各接着材28,29,34,35を設けずに省略することも可能になる。その結果、製品コストの低減を図ることができる。
図9は、本発明の実施形態5を示している。
したがって、本実施形態5によると、上記実施形態1と同様の効果が得られると共に、支持部材20を全体として1つの部材としながらも、第1表示部11及び第2表示部12を中間部13と共に安定して支持固定することができる。さらに、中間部13を、支持部材20の凹面部50と中間支持部材23の第3凸面部27によって狭持するようにしたので、より確実に、上記第1表示部11、第2表示部12及び中間部13を支持固定することができる。加えて、支持部材20を1つの部材にしたことから、表示装置1を容易に製造することができる。
図10は、本発明の実施形態6を示している。
したがって、本実施形態6によると、上記実施形態5と同様の効果が得られると共に、中間支持部材23を設けずに省略しながらも、1つの支持部材20によって、表示パネル10を支持固定することができる。そのため、部材点数を低減して、製品コストをより低減することが可能になる。
図11及び図12は、本発明の実施形態7を示している。
したがって、この実施形態7によっても、第1表示部11及び第2表示部12の非表示領域を支持部材20により狭持して隠しながら、表示パネル10を折り畳み状態又は展開状態に変形することができ、展開状態のときに第1表示部11と第2表示部12との境界30において連続した1つの大きな画像を表示することができる。その結果、本実施形態7の表示装置1についても、見開きに開閉可能でありながらも、表示の見栄えを大幅に向上させることができる。
図13は、本発明の実施形態8を示している。
したがって、本実施形態8によると、2枚の表示パネル(第1表示部11及び第2表示部12)によって表示パネル10が構成されていても、上記実施形態1と同様に、見開きに開閉可能でありながらも表示の見栄えを大幅に向上できる
そのことに加え、第1表示部11及び第2表示部12を凹凸状に曲げながら支持部材20及び中間支持部材23によって支持する構成としたので、これら第1表示部11及び第2表示部12を構成する第1基板31及び第2基板32に加わる応力集中を緩和して、信頼性を高めることができる。
図14は、本発明の実施形態9を示している。
したがって、本実施形態9によると、上記実施形態1と同様の効果が得られると共に、表示に無関係な中間部13に回路部52を設けるようにしたので、スペースを有効に利用しながら回路部52を配置でき、しかも、この領域は変形しない領域であることから、回路部52の信頼性を高めることができる。
図15~図17は、本発明の実施形態10を示している。
表示パネル60は、図15及び図17に示すように、例えば有機EL表示パネルにより構成されており、それぞれ可撓性を有する矩形フィルム状の第1基板61及び第2基板62が、表示媒体層である発光層(不図示)を介して貼り合わされた構成を有している。表示パネル60の厚みは、例えば30μm~100μm程度に形成されている。
カバー部材65は、図15及び図17に示すように、円柱状のヒンジ部66と、このヒンジ部66に揺動可能に係合された第1カバー部67及び第2カバー部68とによって構成されている。
次に、本実施形態10における表示装置1の変形動作について説明する。
したがって、この実施形態10によると、表示パネル60を可撓性基板である第1基板61及び第2基板62により構成し、この表示パネル60を開閉変形可能なカバー部材65によって支持するようにしたので、カバー部材65が折り畳み状態で表示装置1を小さく変形させることができると共に、カバー部材65が展開状態で表示装置1を大きく平面状に変形させることができる。
上記実施形態1~9では、表示パネル10の背面側(つまり使用者側とは反対側)を支持する部材を設けていない例について説明したが、本発明はこれに限らず、上記表示パネル10の背面側を支持する筐体やカバー部材を装着した構成としてもよい。このことにより、第1表示部11及び第2表示部12の形状を平面状に維持できるため、表示の視認性や取り扱い性を向上することができる。ただし、装置の薄型化及び軽量化という観点では、上述のように、筐体やカバー部材を装着しない構成も有効である。
10 表示パネル
11 第1表示部
12 第2表示部
13 中間部
18 バックライト
20 支持部材
21 第1支持部材
22 第2支持部材
23 中間支持部材
25 第1凸面部
26 第2凸面部
27 第3凸面部
33 導光板
36 LED(光源)
37 LED(補助光源)
38 蛍光管(補助光源)
39 固定部材
50 凹面部
52 回路部
54 第4凸面部
55 第5凸面部
Claims (15)
- 第1表示部と、
上記第1表示部に隣接して配置された第2表示部と、
上記第1表示部及び第2表示部を、互いに重なるように閉じた折り畳み状態と、見開き状に開いた展開状態とに変形するように支持する支持部材とを備えた表示装置であって、
上記第1表示部及び第2表示部は、それぞれ可撓性基板により構成され、
上記支持部材は、上記第1表示部及び第2表示部を狭持するように構成され、上記第1表示部における上記第2表示部とは反対側の表面を上記変形の際に支持する凸面状の第1凸面部と、上記第2表示部における上記第1表示部とは反対側の表面を上記変形の際に支持する凸面状の第2凸面部とを有している
ことを特徴とする表示装置。 - 請求項1に記載された表示装置において、
上記第1表示部と上記第2表示部とを繋ぐ中間部を備え、
上記第1表示部、上記第2表示部、及び上記中間部によって、1つの表示パネルが構成されている
ことを特徴とする表示装置。 - 請求項2に記載された表示装置において、
上記中間部が巻き付けられて、該中間部を支持する中間支持部材を備え、
上記中間支持部材における上記中間部が巻き付けられている支持面が、凸面状の第3凸面部に形成されている
ことを特徴とする表示装置。 - 請求項2に記載された表示装置において、
上記支持部材は、上記第1凸面部及び第2凸面部に連続して形成された凹面部を有し、 上記中間部は、上記凹面部で支持されている
ことを特徴とする表示装置。 - 請求項3に記載された表示装置において、
上記支持部材は、上記第1凸面部及び第2凸面部に連続して形成された凹面部を有し、
上記中間部は、上記凹面部と上記第3凸面部とによって狭持されている
ことを特徴とする表示装置。 - 請求項1乃至3の何れか1つに記載された表示装置において、
上記支持部材は、上記第1凸面部が形成された第1支持部材と、上記第2凸面部が形成された第2支持部材とを有している
ことを特徴とする表示装置。 - 請求項6に記載された表示装置において、
上記第1支持部材及び第2支持部材の端部同士を固定する固定部材を備えている
ことを特徴とする表示装置。 - 請求項3に記載された表示装置において、
上記中間部には、上記第3凸面部によって支持されている領域に、回路部が設けられている
ことを特徴とする表示装置。 - 請求項1に記載された表示装置において、
上記第1表示部における上記第1支持部材が設けられている側とは反対側の表面を支持する凸面状の第4凸面部と、上記第2表示部における上記第2支持部材が設けられている側とは反対側の表面を支持する凸面状の第5凸面部とが形成された中間支持部材を備えている
ことを特徴とする表示装置。 - 請求項1乃至9の何れか1つに記載された表示装置において、
上記第1表示部及び第2表示部は、有機EL表示パネルである
ことを特徴とする表示装置。 - 請求項1乃至9の何れか1つに記載された表示装置において、
上記第1表示部及び第2表示部は、液晶表示パネルである
ことを特徴とする表示装置。 - 請求項11に記載された表示装置において、
上記第1表示部及び第2表示部は、複数の光源と、該光源の光が入射される導光板とを有するバックライトを備え、
上記バックライトの導光板における上記第1凸面部及び第2凸面部によって支持されている領域に、光を入射させる補助光源を備えている
ことを特徴とする表示装置。 - 請求項1乃至12の何れか1つに記載された表示装置において、
上記支持部材の内部には、上記第1凸面部及び第2凸面部の近傍を照らす補助光源が設けられている
ことを特徴とする表示装置。 - 可撓性基板により構成された表示パネルと、
上記表示パネルを開閉変形可能に支持するカバー部材とを備え、
上記カバー部材は、ヒンジ部と、該ヒンジ部に揺動可能に係合された第1カバー部及び第2カバー部とを有し、上記第1カバー部及び第2カバー部が上記ヒンジ部の軸心周りに揺動することで、上記第1カバー部及び第2カバー部が互いに重なった折り畳み状態と、上記第1カバー部及び第2カバー部が互いに開いた展開状態とに変形可能に構成され、
上記第1カバー部及び第2カバー部には、上記カバー部材が変形する際に上記表示パネルを進退移動可能に支持する支持部がそれぞれ形成されている
ことを特徴とする表示装置。 - 請求項14に記載された表示装置において、
上記支持部は、上記表示パネルの側部をそれぞれ進退移動可能に収容する収容部である
ことを特徴とする表示装置。
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RU2011141788/12A RU2011141788A (ru) | 2009-03-17 | 2009-10-20 | Устройство отображения |
EP09841798.3A EP2383717A4 (en) | 2009-03-17 | 2009-10-20 | DISPLAY DEVICE |
US13/256,621 US20120008267A1 (en) | 2009-03-17 | 2009-10-20 | Display device |
BRPI0924840A BRPI0924840A2 (pt) | 2009-03-17 | 2009-10-20 | dispositivo de exibição |
JP2011504619A JPWO2010106590A1 (ja) | 2009-03-17 | 2009-10-20 | 表示装置 |
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KR102719741B1 (ko) * | 2015-07-23 | 2024-10-21 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 표시 장치, 모듈, 및 전자 기기 |
WO2017090577A1 (ja) * | 2015-11-24 | 2017-06-01 | コニカミノルタ株式会社 | 発光装置 |
JPWO2017090577A1 (ja) * | 2015-11-24 | 2018-09-06 | コニカミノルタ株式会社 | 発光装置 |
US10488887B2 (en) | 2016-10-04 | 2019-11-26 | Semiconductor Energy Laboratory Co., Ltd. | Electronic device |
Also Published As
Publication number | Publication date |
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EP2383717A4 (en) | 2013-04-17 |
US20120008267A1 (en) | 2012-01-12 |
RU2011141788A (ru) | 2013-04-27 |
JPWO2010106590A1 (ja) | 2012-09-13 |
EP2383717A1 (en) | 2011-11-02 |
BRPI0924840A2 (pt) | 2016-01-26 |
CN102341840A (zh) | 2012-02-01 |
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