CN109859644B - Display panel and display module - Google Patents
Display panel and display module Download PDFInfo
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- CN109859644B CN109859644B CN201910170919.8A CN201910170919A CN109859644B CN 109859644 B CN109859644 B CN 109859644B CN 201910170919 A CN201910170919 A CN 201910170919A CN 109859644 B CN109859644 B CN 109859644B
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
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- 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
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The application provides a display panel and a manufacturing method thereof, wherein the display panel comprises a substrate, a light emitting layer positioned on the substrate and a color film layer positioned on the light emitting layer; the color film layer comprises a color resistance layer and a photoluminescence layer positioned on part of the color resistance layer, and the photoluminescence layer is filled with photoluminescence materials. This application is through filling photoluminescence material on the lower green of energy and red colour resistance unit for the red light and the green glow that the higher blue light of energy arouses the photoluminescence unit radiation that red colour resistance unit and green colour resistance unit correspond, make the blue light in the WOLED panel obtain make full use of, reduced display panel's consumption, promoted display panel's performance.
Description
Technical Field
The present disclosure relates to display technologies, and in particular, to a display panel and a manufacturing method thereof.
Background
In the flat panel display technology, an Organic Light-Emitting Diode (OLED) display has many advantages of being Light and thin, Emitting Light actively, fast in response speed, large in visible angle, wide in color gamut, high in brightness, low in power consumption, and the like, and is gradually becoming a third generation display technology following the liquid crystal display.
Currently, the OLED display panel in the market includes a white OLED (woled) plus Color Filter (CF) mode. The blue light energy in the existing WOLED + CF display panel is high, and the energy of the blue light after passing through the CF is not fully utilized, so that the power consumption of the display panel is increased.
Therefore, a display panel is needed to solve the above problems.
Disclosure of Invention
The application provides a display panel and a manufacturing method thereof, which aim to solve the technical problem that the brightness uniformity of the existing OLED display panel is poor.
In order to solve the above problems, the technical solution provided by the present application is as follows:
the application provides a display panel, which comprises a substrate, a light-emitting layer positioned on the substrate, and a color film layer positioned on the light-emitting layer;
the color film layer comprises a color resistance layer and a photoluminescence layer positioned on part of the color resistance layer, and the photoluminescence layer is filled with photoluminescence materials.
In the display panel of the present application,
the light emitting layer includes at least three light emitting units;
the color resistance layer comprises at least three color resistance units;
one of the light emitting units corresponds to one of the color resistance units.
In the display panel of the present application,
the photoluminescence region layer comprises at least one photoluminescence unit;
one photoluminescence unit corresponds to one color resistance unit.
In the display panel of the present application,
the color resistance layer comprises a first color resistance unit, a second color resistance unit and a third color resistance unit;
the first color resistance unit, the second color resistance unit and the third color resistance unit are any one of a red color resistance unit, a green color resistance unit and a blue color resistance unit;
the color resistance units corresponding to the first color resistance unit, the second color resistance unit and the third color resistance unit are different in color.
In the display panel of the present application,
the photoluminescence unit is positioned on at least one of the first color resistance unit and the second color resistance unit.
In the display panel of the present application,
the first color resistance unit is a red color resistance unit;
the second color resistance unit is a green color resistance unit;
the third color resistance unit is a blue color resistance unit.
In the display panel of the present application,
the light source emitted by the light emitting unit is white light.
In the display panel of the present application,
the photoluminescence layer is filled with one of fluorescent materials, phosphorescent materials or quantum dots.
In the display panel of the present application,
the display panel further comprises a reflective layer;
the reflective layer is located between the substrate and the light emitting layer.
The application also provides a display module, wherein the display module comprises the display panel;
the display module assembly further comprises a polarizer layer and a cover plate layer which are located on the display panel.
Has the advantages that: this application is through filling photoluminescence material on the lower green of energy and red colour resistance unit for the red light and the green glow that the higher blue light of energy arouses the photoluminescence unit radiation that red colour resistance unit and green colour resistance unit correspond, make the blue light in the WOLED panel obtain make full use of, reduced display panel's consumption, promoted display panel's performance.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for a person skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a diagram of a first film layer structure of a display panel according to the present application;
FIG. 2 is a diagram of a second film layer structure of a display panel according to the present application;
fig. 3 is a structural diagram of a third film layer of a display panel according to the present application.
Detailed Description
The following description of the various embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments that can be implemented by the application. Directional phrases used in this application, such as [ upper ], [ lower ], [ front ], [ rear ], [ left ], [ right ], [ inner ], [ outer ], [ side ], etc., refer only to the directions of the attached drawings. Accordingly, the directional terminology is used for purposes of illustration and understanding, and is in no way limiting. In the drawings, elements having similar structures are denoted by the same reference numerals.
Referring to fig. 1, fig. 1 is a diagram of a first film layer structure of a display panel according to the present application.
The display panel 100 includes an array substrate 200, a light emitting device layer 300 on the array substrate 200, and a color film layer 400 on the light emitting device layer 300.
The array substrate 200 includes a substrate 10 and a thin-film transistor layer 20 on the substrate 10.
In one embodiment, the raw material of the substrate 10 may be one of a glass substrate, a quartz substrate, a resin substrate, and the like.
In one embodiment, the substrate 10 may also be a flexible substrate. The material of the flexible substrate may be PI (polyimide).
The thin-film transistor layer 20 may include, but is not limited to, an etch barrier type, a back channel etch type, or a top-gate thin-film transistor type. The present application will be described taking a top gate thin film transistor type as an example.
The thin-film transistor layer 20 may include: the light-shielding layer, the buffer layer, the active layer, the gate insulating layer, the grid electrode, the interlayer insulating layer, the source drain electrode, the passivation layer and the flat layer.
The light emitting device layer 300 includes an anode layer (not shown), a light emitting layer 30 and a cathode layer (not shown) formed on the array substrate 200;
the anode layer is formed on the planarization layer.
The anode layer is mainly used to provide holes for electron absorption.
In this embodiment, a top-emission OLED device is taken as an example for explanation, and thus the anode layer may be a non-transparent or transparent metal electrode.
The light emitting layer 30 is formed on the anode layer. The light emitting layer 30 is divided into at least three light emitting units 301 by a pixel defining layer.
In one embodiment, the light source emitted by the light emitting unit is white light.
The cathode layer is formed on the light emitting layer 30.
In one embodiment, the cathode layer is a transparent material.
In one embodiment, the light emitting device layer 300 electrically connects the anode layer and the source and drain electrodes through a via.
In one embodiment, when the anode layer is a non-transparent material, light generated by the light-emitting layer 30 is projected away from the substrate 10 through the anode layer.
Referring to fig. 2, fig. 2 is a diagram of a second film layer structure of a display panel according to the present application.
When the anode layer is a transparent material, a reflective layer 60 may be provided on the anode layer away from it, so that light transmitted through the anode layer is projected away from the substrate 10. The reflective layer 60 is disposed such that the white light source emitted from the light emitting layer 30 is fully utilized.
In one embodiment, the reflective layer 60 is located between the substrate 10 and the light-emitting layer 30.
In one embodiment, when the anode layer is a non-transparent material, the reflective layer 60 can also be located on the oblique sides of the open areas in the pixel defining layer.
Referring to fig. 1 to 2, the color film layer 400 is disposed on the light emitting device layer 300.
The color film layer 400 includes a color resist layer 40.
The color resistance layer 40 includes at least three color resistance units.
In one embodiment, one of the color resistance units corresponds to one of the light emitting units.
In one embodiment, the color resist layer 40 includes a first color resist unit 401, a second color resist unit 402, and a third color resist unit 403.
The first color resistance unit 401, the second color resistance unit, and the third color resistance unit are any one of a red color resistance unit, a green color resistance unit, and a blue color resistance unit. The color resistance units corresponding to the first color resistance unit 401, the second color resistance unit 402 and the third color resistance unit 403 have different colors.
In this embodiment, the first color resistance unit 401 is a red color resistance unit, the second color resistance unit 402 is a green color resistance unit, and the third color resistance unit 403 is a blue color resistance unit.
The color film layer 400 further includes a photoluminescent layer 50 on the color resist layer 40.
In one embodiment, the photoluminescent layer 50 is filled with a photoluminescent material.
In one embodiment, the photoluminescent material may be one of a fluorescent material, a phosphorescent material, or a quantum dot.
The photoluminescent layer 50 includes a plurality of photoluminescent units.
One photoluminescence unit corresponds to one color resistance unit.
The photoluminescence unit is located on at least one of the first color resistance unit 401 and the second color resistance unit 402.
In one embodiment, the number of photoluminescent units is less than the number of color-blocking units.
Referring to fig. 1 to 2, the photoluminescent layer 50 includes a first photoluminescent unit 501 and a second photoluminescent unit 502. The first photoluminescent unit 501 is located on the first color resist unit 401, and the second photoluminescent unit 502 is located on the second color resist unit 402.
Since the third color resistance unit 403 is a blue color resistance unit. Therefore, the white light emits blue light after passing through the third color resistance unit 403. And the light intensity energy of the blue light is larger and the light intensity energy of the red light and the green light is smaller than those of the red light and the green light.
Therefore, the blue light is not fully utilized on the premise that the volumes of the light emitting units are the same. In order to ensure the uniformity of the light emitting intensity of the display panel 100, the photoluminescence units are disposed on the red color resistance unit and the green color resistance unit.
When the display panel 100 displays, the unused blue light is radiated to the photoluminescence units corresponding to the red color resistance units and the green color resistance units, so as to generate corresponding red light and green light. The blue light can be fully utilized, the power consumption of the display panel 100 is reduced, and the display uniformity of the display panel 100 is improved.
Referring to fig. 1, the intensity of green light is larger than that of red light. Therefore, on the premise that the volumes of the light emitting units corresponding to the red color resistance unit and the green color resistance unit are the same, the volume of the first photoluminescence unit 501 is larger than that of the second photoluminescence unit 502.
Referring to fig. 3, fig. 3 is a diagram illustrating a third film structure of a display panel according to the present application.
The volume of the light-emitting unit corresponding to the red color resistance unit is larger than that of the light-emitting unit corresponding to the green color resistance unit, and the volume of the light-emitting unit corresponding to the green color resistance unit is larger than that of the light-emitting unit corresponding to the blue color resistance unit.
The display panel 100 further includes an encapsulation layer on the light emitting device layer 300.
The encapsulation layer may be located on the color film layer 400 or between the color film layer 400 and the light emitting device layer 300.
The application has still provided a display module assembly, display module assembly includes display panel and is located polarizer layer and apron layer on the display panel. The packaging layer is bonded with the polarizer layer through a first optical adhesive layer, and the polarizer layer is bonded with the cover plate layer through a second optical adhesive layer.
The working principle of the display module is similar to that of the display panel, and the working principle of the display module can specifically refer to that of the display panel, which is not described herein in detail.
The application provides a display panel and a manufacturing method thereof, wherein the display panel comprises a substrate, a light emitting layer positioned on the substrate, and a color film layer positioned on the light emitting layer; the color film layer comprises a color resistance layer and a photoluminescence layer positioned on part of the color resistance layer, and the photoluminescence layer is filled with photoluminescence materials. This application is through filling photoluminescence material on the lower green of energy and red colour resistance unit for the red light and the green glow that the higher blue light of energy arouses the photoluminescence unit radiation that red colour resistance unit and green colour resistance unit correspond, make the blue light in the WOLED panel obtain make full use of, reduced display panel's consumption, promoted display panel's performance.
In summary, although the present application has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present application, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application, so that the scope of the present application shall be determined by the appended claims.
Claims (6)
1. A display panel is characterized by comprising a substrate, a light emitting layer positioned on the substrate, and a color film layer positioned on the light emitting layer;
the color film layer comprises a color resistance layer and a photoluminescence layer positioned on part of the color resistance layer, and the photoluminescence layer is filled with photoluminescence materials;
the photoluminescent layer comprises a first photoluminescent unit and a second photoluminescent unit;
the color resistance layer at least comprises a red color resistance unit, a green color resistance unit and a blue color resistance unit, the first photoluminescence unit is positioned on the red color resistance unit, and the second photoluminescence unit is positioned on the green color resistance unit;
wherein the volume of the first photoluminescence unit is larger than the volume of the second photoluminescence unit.
2. The display panel according to claim 1,
the light emitting layer includes at least three light emitting units;
the light-emitting unit corresponds to a color resistance unit.
3. The display panel according to claim 2,
the light source emitted by the light emitting unit is white light.
4. The display panel according to claim 1,
the photoluminescence layer is filled with one of fluorescent materials, phosphorescent materials or quantum dots.
5. The display panel according to claim 1,
the display panel further comprises a reflective layer;
the reflective layer is located between the substrate and the light emitting layer.
6. A display module, comprising the display panel according to any one of claims 1 to 5;
the display module assembly further comprises a polarizer layer and a cover plate layer which are located on the display panel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910170919.8A CN109859644B (en) | 2019-03-07 | 2019-03-07 | Display panel and display module |
| PCT/CN2019/082966 WO2020177187A1 (en) | 2019-03-07 | 2019-04-17 | Display panel and display module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910170919.8A CN109859644B (en) | 2019-03-07 | 2019-03-07 | Display panel and display module |
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| CN109859644A CN109859644A (en) | 2019-06-07 |
| CN109859644B true CN109859644B (en) | 2020-11-24 |
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| CN111223892B (en) * | 2019-11-11 | 2022-08-23 | 深圳市华星光电半导体显示技术有限公司 | Display panel and display terminal |
| CN111028704A (en) * | 2019-12-10 | 2020-04-17 | 深圳市华星光电半导体显示技术有限公司 | Display panel and preparation method thereof |
| CN111063269A (en) * | 2019-12-17 | 2020-04-24 | 深圳市华星光电半导体显示技术有限公司 | Display panel |
| CN114023899A (en) * | 2021-10-25 | 2022-02-08 | 深圳市华星光电半导体显示技术有限公司 | Display panel and preparation method thereof |
| CN117596918A (en) * | 2021-12-15 | 2024-02-23 | 武汉华星光电半导体显示技术有限公司 | Display panel |
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| CN109859644A (en) | 2019-06-07 |
| WO2020177187A1 (en) | 2020-09-10 |
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