CN109087931A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN109087931A CN109087931A CN201710441732.8A CN201710441732A CN109087931A CN 109087931 A CN109087931 A CN 109087931A CN 201710441732 A CN201710441732 A CN 201710441732A CN 109087931 A CN109087931 A CN 109087931A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/122—Pixel-defining structures or layers, e.g. banks
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/17—Carrier injection layers
Abstract
The invention discloses a kind of display panel and display devices.The display panel includes: substrate；Pixel defining layer, on the substrate, the display panel is divided into multiple pixel regions by the pixel defining layer, and the pixel defining layer between the pixel region has along the profiled-cross-section perpendicular to its extending direction, and the profiled-cross-section has at least one tip far from the substrate；Organic common layer is located on the pixel region and in the pixel defining layer, disconnects at the tip of profiled-cross-section of the organic common layer in the pixel defining layer.Display panel of the invention can overcome the color distortion phenomenon occurred when lower grayscale is lighted.
Description
Technical field
The present invention relates to field of display technology, specifically, being related to a kind of display panel and display device.
Background technique
Organic electroluminescent (OLED) display panel is with low in energy consumption, light, brightness is high, the visual field is wide and it is fast etc. special to react
Point can be widely used in the numerous areas such as portable electronic device, wearable electronic equipment, vehicle electronic device.
Referring to Fig.1, existing OLED display panel 100 includes: substrate 101；Tft layer on substrate 101
102, tft layer 102 has multiple thin film transistor (TFT) (not shown)；Planarization layer on tft layer 102
103；OLED display panel 100 is divided into multiple by the pixel defining layer 104 on planarization layer 103, pixel defining layer 104
Pixel region, such as red (R) pixel region 100a, green (G) pixel region 100b and blue (B) pixel region 100c；Position
In anode layer 105 on planarization layer 103 and positioned at pixel region, anode layer 105 is electrical by via hole and thin film transistor (TFT)
Connection；Hole injection layer 106 on anode layer 105 and pixel defining layer 104；Hole on hole injection layer 106
Transport layer 107；Luminescent layer 108 that is on hole transmission layer 107 and being located at pixel region；Electricity on luminescent layer 108
Sub- transport layer 109；Cathode layer 110 on electron transfer layer 109.By applying centainly to anode layer 105 and cathode layer 110
Voltage, hole is injected into hole transmission layer 107 by hole injection layer 106 from anode layer 105, and is transferred to luminescent layer 108,
Electronics is injected into electron transfer layer 109 from cathode layer 110, and is transferred to luminescent layer 108, hole and electronics in luminescent layer 108
It meets to form exciton recombination luminescence.
It in existing OLED display panel, is determined by the property of material itself, the hole mobility of hole injection layer 106 is very
Height, so that there are horizontal and vertical two kinds of migratory directions in hole injection layer 106 in hole.Due to opening for tri- kinds of pixels of R/G/B
Bright voltage is sequentially increased, simultaneously as hole injection layer 106 is an organic common layer (also known as common layer), in other words, R/G/B
Three kinds of pixel regions share same hole injection layer 106, and when lighting height and opening bright voltage pixel, such as B pixel, hole can be
Lateral transfer reaches R pixel region or G pixel region in hole injection layer 106, can light slightly and open the low pixel of bright voltage,
So that display panel will appear a degree of color distortion when lower grayscale is lighted.
To avoid above situation from occurring, a variety of methods are disclosed in the prior art, such as by reducing hole injection layer 106
Middle doping ratio is to reduce the thickness of hole mobility and thinned hole injection layer 106 to reduce the transverse conductance ability in hole
Deng.Although the above method can reduce the lateral transfer ability in hole to a certain extent, these methods more or less understand shadow
The performance for arriving display panel is rung, such as voltage raising or efficiency are reduced.
Summary of the invention
Aiming at the problems existing in the prior art, one aspect of the present invention provides a kind of display panel, comprising:
Substrate；
Pixel defining layer is located on the substrate, and the display panel is divided into multiple pixels by the pixel defining layer
Region, the pixel defining layer between the pixel region have along the profiled-cross-section perpendicular to its extending direction, the abnormal shape
Section has at least one tip far from the substrate；
Organic common layer is located on the pixel region and in the pixel defining layer, and organic common layer is described
It is disconnected at the tip of the profiled-cross-section of pixel defining layer.
In some embodiments, the section angle at the tip is less than 90 degree.
In some embodiments, organic common layer is hole injection layer.
In some embodiments, the display panel further includes the sun between the hole injection layer and the substrate
Hole transmission layer, luminescent layer, electron transfer layer and the cathode layer pole layer and be sequentially located on the hole injection layer.
In some embodiments, the multiple pixel region includes red pixel area, green pixel area and blue picture
Plain region, the hole transmission layer correspond respectively to the red pixel area, the green pixel area and the blue picture
The thickness in plain region is sequentially reduced.
In some embodiments, the display panel further includes the electronics between electron transfer layer and the cathode layer
Implanted layer, the protective layer on the cathode layer.
In some embodiments, organic common layer is electron injecting layer.
In some embodiments, the display panel further includes the yin between the electron injecting layer and the substrate
Electron transfer layer, luminescent layer, hole transmission layer and the anode layer pole layer and be sequentially located on the electron injecting layer.
In some embodiments, the multiple pixel region includes red pixel area, green pixel area and blue picture
Plain region, the electron transfer layer correspond respectively to the red pixel area, the green pixel area and the blue picture
The thickness in plain region is sequentially reduced.
Another aspect of the present invention provides a kind of display device, and the display device includes above-mentioned display panel.
Compared with prior art, display panel provided by the invention and display device at least have the advantages that this
In the display panel of invention, the profiled-cross-section of pixel defining layer has at least one tip far from substrate, and organic common layer exists
It is disconnected at the tip of the profiled-cross-section of pixel defining layer, so that transverse direction can not occur for the hole or electronics that are located in organic common layer
Migration, can overcome the color distortion phenomenon occurred when lower grayscale is lighted.
Detailed description of the invention
Its example embodiment is described in detail by referring to accompanying drawing, above and other feature of the invention and advantage will become
It is more obvious.
Fig. 1 is a kind of schematic cross-section of existing display panel.
Fig. 2 is the schematic cross-section of the display panel of one embodiment of the invention.
Fig. 3 is the schematic cross-section of the display panel of another embodiment of the present invention.
Fig. 4 is the schematic cross-section of the display panel of further embodiment of this invention.
Fig. 5 is the schematic cross-section of the display panel of further embodiment of this invention.
Fig. 6 A is the local overlooking schematic diagram of the display panel of one embodiment of the invention.
Fig. 6 B is the local overlooking schematic diagram of the display panel of another embodiment of the present invention.
Fig. 7 A to Fig. 7 E is that the pixel defining layer of one embodiment of the invention prepares schematic diagram.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention more
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.It is identical attached in figure
Icon note indicates same or similar structure, thus will omit repetition thereof.
The word of expression position and direction described in the present invention, is the explanation carried out by taking attached drawing as an example, but according to need
It can also make a change, done change is all contained in the scope of the present invention.It is opposite that attached drawing of the invention is only used for signal
Positional relationship, the thickness at certain positions use the plotting mode lavished praise on oneself in order to understand, the thickness in attached drawing does not represent reality
The proportionate relationship of border thickness.
Fig. 2 is the schematic cross-section of the display panel of one embodiment of the invention, and referring to Fig. 2, the embodiment of the present invention is provided
A kind of display panel 200, the display panel 200 include: substrate 201, pixel defining layer 204 and organic common layer.
The material of the present invention not restricting substrate 201, substrate 201 can be rigid substrates or flexible base board, such as glass base
Plate or polyimide substrate.
Pixel defining layer 204 is located on substrate 201, and display panel 200 is divided into multiple pixel regions by pixel defining layer 204
Domain, such as 200a, 200b and 200c, the pixel defining layer 204 between pixel region have along the abnormal shape perpendicular to its extending direction
Section, profiled-cross-section have at least one tip 2041 far from substrate 201.
The multiple pixel regions divided by pixel defining layer 204 can be made of three primary colours pixel region, can also be by four
Primary color pixels region composition, wherein three primary colours pixel region can be red pixel area 200a, green pixel area 200b and
Blue pixel area 200c, four primary pixel region can be red pixel area 200a, green pixel area 200b, blue picture
Plain region 200c and white pixel region (not shown).The present invention does not limit the arrangement mode of multiple pixel regions, such as Fig. 6 A and
Shown in Fig. 6 B, matrix structure can be used, (not shown) can also be arranged using cross structure, its other party can also be used
Formula arrangement.Referring to Fig. 6 A, the extending direction of the pixel defining layer 204 between pixel region refers to the picture between adjacent two pixel region
The length direction of the part of plain definition layer 204, the slit extending direction between the extending direction and adjacent two pixel region is identical,
In Fig. 6 A, pixel defining layer 204 is arranged between the adjacent pixel region in left and right, the pixel defining layer 204 between pixel region
Extending direction is Y-direction.Referring to Fig. 6 B, pixel defining layer 204 is not only provided between the adjacent pixel region in left and right, Er Qieshe
It sets between neighbouring pixel region, wherein the extension side of the pixel defining layer 204 between the adjacent pixel region in left and right
To for Y-direction, the extending direction of the pixel defining layer 204 between neighbouring pixel region is X-direction.It needs to illustrate
It is that Fig. 6 A and Fig. 6 B illustrate only the partial structurtes of display panel 200, as needed, display panel 200 can also include more
Pixel region.
Pixel defining layer 204 between pixel region is profiled-cross-section, abnormal shape section along the section perpendicular to its extending direction
Face refers to that pixel defining layer 204 can be irregular shape along the cross sectional shape perpendicular to its extending direction, profiled-cross-section tool
There is at least one tip 2041 far from substrate 201, in other words, the tip 2041 of the profiled-cross-section is not towards substrate 201.This reality
It applies in example, there are two tips 2041 for the profiled-cross-section tool of pixel defining layer 204.
Organic common layer is located on pixel region in pixel defining layer 204, and organic common layer is in pixel defining layer 204
It is disconnected at the tip 2041 of profiled-cross-section, in other words, organic common layer is at the tip of the profiled-cross-section of pixel defining layer 204 2041
The parts of two sides be discontinuous or non-electric connection so that the hole or electronics that are located in organic common layer can not be sent out
Raw lateral transfer, hole or electronics in organic common layer in a pixel region can not be migrated to adjacent pixel regions
In interior organic common layer, display panel 200 show during, either adjacent pixel regions apply voltage it is identical or
Difference, hole or electronics can not be migrated to adjacent pixel regions, therefore, existing display panel 100 can be overcome lower
The color distortion phenomenon occurred when grayscale is lighted.Additional functional layer is not increased in the display panel 200, by changing pixel
Definition layer 204 pixel edges shape and reach the mesh that color distortion phenomenon is avoided the occurrence of when lower grayscale is lighted
, in the preparation without increasing additional step, it not will increase cost.
In the present embodiment, organic common layer is hole injection layer 206, at the tip of the profiled-cross-section of pixel defining layer 204
The hole injection layer 206 disconnected at 2041 can prevent that cross occurs in hole injection layer 206 from 205 injected holes of anode layer
To migration.In the present embodiment, the hole injection layer 206 of adjacent two pixel region is broken as three parts by pixel defining layer 204,
Middle two parts are located in adjacent two pixel region, and Part III is located in pixel defining layer 204.
In a preferred embodiment, the section angle at the tip 2041 of the profiled-cross-section of pixel defining layer 204 is less than 90
It spends (acute angle), which refers to the angle that two sides at tip 2041 are formed in profiled-cross-section.Since organic common layer is logical
It is often formed by evaporation coating method, in organic public layer formation process, section angle is that the tip 2041 of acute angle can effectively be broken
The continuity of bad plated film, so that organic common layer disconnects at the tip 2041.
Optionally, in one embodiment, display panel 200 further includes between hole injection layer 206 and substrate 201
Anode layer 205 and the hole transmission layer, luminescent layer 208,209 and of electron transfer layer that are sequentially located on hole injection layer 206
Cathode layer 210, anode layer 205, hole injection layer 206, hole transmission layer, luminescent layer 208, electron transfer layer 209 and cathode layer
210 material can use known materials, and it will not be described here.
Optionally, display panel 200 may be arranged as other structures needed for realizing display, including be located at anode layer
Tft layer 202 between 205 and substrate 201 and putting down between tft layer 202 and anode layer 205
Smoothization layer 203.Tft layer 202 includes multiple thin film transistor (TFT)s, and thin film transistor (TFT) includes at least active layer, source electrode, leakage
Pole, grid, gate insulating layer (not shown), anode layer 205 pass through the via hole and thin film transistor (TFT) that are located on planarization layer 203
Source level or drain electrode are electrically connected, and the specific structure of tft layer 202 uses known technology, and it will not be described here.Planarization
Layer 203 is located on tft layer 202, makes the surface planarisation of tft layer 202, is conducive to subsequent display element
It makes and improves performance.
In a preferred embodiment, the multiple pixel regions divided by pixel defining layer 204 are by three primary colours pixel region
Composition, three primary colours pixel region are made of red pixel area 200a, green pixel area 200b and blue pixel area 200c,
Wherein, hole transmission layer corresponds respectively to red pixel area 200a, green pixel area 200b and blue pixel area 200c
Thickness be sequentially reduced.In the present embodiment, the hole transmission layer corresponding to blue pixel area 200c is the first hole transmission layer
2071, the hole transmission layer corresponding to green pixel area 200b is the first hole transmission layer 2071 and the second hole transmission layer
2072, the hole transmission layer corresponding to red pixel area 200a is the first hole transmission layer 2071 and third hole transmission layer
2073, the thickness of third hole transmission layer 2073 is greater than the thickness of the second hole transmission layer 2072, due to feux rouges, green light and blue light
Optical cavity length be sequentially reduced, by change correspond to different pixels region hole transmission layer thickness, adjust different pixels
The length of the microcavity in region obtains required colour gamut.
Optionally, display panel 200 further includes the electron injecting layer between electron transfer layer 209 and cathode layer 210
211, the protective layer (not shown) on cathode layer 210.By setting electron injecting layer 211, the injection efficiency of electronics is improved,
And then improve the luminous efficiency of display panel 200.Protective layer, which is arranged, can prevent water oxygen endosmosis in environment, avoid corroding
Each functional layer in display panel 200.Optionally, optical adjustment layer can also be set on cathode layer 210 to improve display panel
200 optical property out.
In some embodiments, display panel 200 further includes encapsulated layer or cover board (not shown), for example, encapsulated layer or lid
Plate is arranged on cathode layer 210 or protective layer, improves the ability of barrier water oxygen, protects each functional layer in display panel 200 not
It is destroyed, known technology can be used in encapsulated layer or cover board, and it will not be described here.
Fig. 3 is the schematic cross-section of the display panel of another embodiment of the present invention, display panel 300 and Fig. 2 shown in Fig. 3
Shown in display panel 200 structure it is similar, difference be, in display panel 300 shown in Fig. 3, the picture between pixel region
Plain definition layer 304 is different from Fig. 2 along the shape of the profiled-cross-section perpendicular to its extending direction, and profiled-cross-section is located at flat in Fig. 2
Changing the part on layer 203 is in inverted trapezoidal, and the part that profiled-cross-section is located on planarization layer 203 in Fig. 3 is triangular in shape, so that Fig. 3
In the hole injection layer 306 of adjacent two pixel region two parts, same energy are broken as at the tip of pixel defining layer 304 3041
The continuity for enough destroying hole injection layer 306, avoids hole lateral transfer in hole injection layer 306, display panel 300 is made to exist
Lower grayscale avoids the occurrence of color distortion phenomenon when lighting.
Fig. 4 is the schematic cross-section of the display panel of further embodiment of this invention, display panel 400 and Fig. 2 shown in Fig. 4
Shown in display panel 200 structure it is similar, difference be, in display panel 400 shown in Fig. 4, the picture between pixel region
Plain definition layer 404 is different from Fig. 2 along the shape of the profiled-cross-section perpendicular to its extending direction, and profiled-cross-section is located at flat in Fig. 2
Changing the part on layer 203 is in inverted trapezoidal, and it is substantially in I-shaped, the work that profiled-cross-section, which is located at the part on planarization layer 403, in Fig. 4
The two sidewalls of font have the circular arc of indent, and the upper end of circular arc and roof form the tip 4041 of profiled-cross-section, the tip 4041
Section angle refer to circular arc upper end tangent line and roof between angle, in the present embodiment, the angle less than 90 degree so that
The hole injection layer 406 of adjacent two pixel region is broken as three parts at the tip of pixel defining layer 404 4041 in Fig. 4, together
Sample can destroy the continuity of hole injection layer 406, avoid hole lateral transfer in hole injection layer 406, make display panel
400 avoid the occurrence of color distortion phenomenon when lower grayscale is lighted.
Fig. 5 is the schematic cross-section of the display panel of further embodiment of this invention, in the present embodiment, display panel 500
Pixel defining layer 504 is identical as the structure of pixel defining layer 204 of display panel 200 of Fig. 2, and difference is, the present embodiment
In, on planarization layer 503 is successively cathode layer 510, electron injecting layer 511, electron transfer layer, luminescent layer 508, hole
Transport layer 507 and anode layer 505, can also be arranged between hole transmission layer 507 and anode layer 505 hole injection layer 506, with
And protective layer (not shown) is set on anode layer 505, to form a kind of display panel 500 of inverted structure.
In the display panel 500, the electron injecting layer 511 of adjacent two pixel region is broken as by pixel defining layer 504
Three parts, wherein two parts are located in adjacent two pixel region, and Part III is located in pixel defining layer 504, the pixel
Definition layer 504 destroys the continuity of electron injecting layer 511, therefore, can prevent electronics from laterally moving in electron injecting layer 511
Adjacent pixel region is moved to, display panel 500 is made to avoid the occurrence of color distortion phenomenon when lower grayscale is lighted.
Optionally, electron transfer layer corresponds respectively to red pixel area 500a, green pixel area 500b and blue picture
The thickness of plain region 500c is sequentially reduced, and in the present embodiment, the electron transfer layer corresponding to blue pixel area 500c is first
Electron transfer layer 5091, the electron transfer layer corresponding to green pixel area 200b are the first electron transfer layer 5091 and the second electricity
Sub- transport layer 5092, the electron transfer layer corresponding to red pixel area 200a are the first electron transfer layer 5091 and third electronics
Transport layer 5093, the thickness of third electron transfer layer 5093 are greater than the thickness of the second electron transfer layer 5092, the electronics of the structure
Transport layer obtains required colour gamut by adjusting the length of the microcavity in different pixels region.
It should be noted that in the display panel 500 of inverted structure, pixel defining layer 504 can also using such as Fig. 3 and
The structure of pixel defining layer 304 and pixel defining layer 404 shown in Fig. 4, it will not be described here for specific structure.
Referring to Fig. 7 A to Fig. 7 E, the present invention also provides the preparation method of pixel defining layer 204 as shown in Figure 2, the preparations
Method the following steps are included:
(1) pixel defining layer 204 and photoresist 21 are sequentially formed on substrate 201.
Substrate 201 can be glass substrate, polyimide substrate, can also be on glass substrate or polyimide substrate
It is disposed with the array substrate of tft layer 202 and planarization layer 203.
Specifically, pixel defining layer 204 can be formed by evaporation coating method, be carried out clearly to the pixel defining layer 204 of formation
It washes, then forms photoresist 21 in pixel defining layer 204 by coated method.
(2) photoresist of formation 21 is exposed and is developed, expose the part to be etched of pixel defining layer 204.
Specifically, illumination can be carried out above mask plate 22, the photoresist corresponding to transparent area by the way that mask plate 22 is arranged
21 react, and become the part for capableing of developed solution removal, the photoresist of transparent area then will be corresponded to using developing solution
21 removals, expose the part to be etched of pixel defining layer 204.
(3) part to be etched to pixel defining layer 204 is etched, and forms the profiled-cross-section of pixel defining layer 204
Tip 2041.
It specifically, can be by plasma dry etch method and to control energy, time and the direction of etching fixed to pixel
Adopted layer 204 is etched, to form the pixel defining layer 204 as shown in Fig. 2 and Fig. 7 D.It is fixed for pixel as shown in Figure 3
Adopted layer 304, can be by being formed in the step (1) using the not good enough photoresist 21 of protective capability, that is, the photoresist 21 used can be with
Etching solution or dry etching particle reaction, the reaction speed for controlling the photoresist 21 of different location form pixel defining layer as shown in Figure 3
304.For pixel defining layer 404 as shown in Figure 4, the pixel defining layer 404 of multilayered structure can be formed in step (1),
In reaction speed of the pixel defining layer 404 of neighbouring top layer and adjacent underlayer in etching it is slow, the pixel definition of neighbouring middle layer
Reaction speed of the layer 404 in etching is fast, to be capable of forming pixel defining layer 404 as shown in Figure 4 in etching.
(4) photoresist 21 being located in pixel defining layer 204 is removed, exposes pixel defining layer 204.
Specifically, removing removal can be carried out to photoresist 21 by using stripper, known technology specifically can be used, herein
It will not go into details.After the preparation for completing pixel defining layer 204, subsequent OLED processing procedure can be then carried out, is formed in display panel 200
Each functional layer.
The present invention also provides a kind of display device, which includes above-mentioned display panel.The display device includes
But it is not limited to mobile phone, tablet computer, laptop or desktop computer.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (10)
1. a kind of display panel characterized by comprising
Substrate；
Pixel defining layer is located on the substrate, and the display panel is divided into multiple pixel regions by the pixel defining layer,
The pixel defining layer between the pixel region has along the profiled-cross-section perpendicular to its extending direction, the profiled-cross-section tool
There is at least one tip far from the substrate；
Organic common layer is located on the pixel region and in the pixel defining layer, and organic common layer is in the pixel
It is disconnected at the tip of the profiled-cross-section of definition layer.
2. display panel according to claim 1, which is characterized in that the section angle at the tip is less than 90 degree.
3. display panel according to claim 1 or 2, which is characterized in that organic common layer is hole injection layer.
4. display panel according to claim 3, which is characterized in that the display panel further includes being located at the hole to infuse
Enter the anode layer between layer and the substrate and the hole transmission layer being sequentially located on the hole injection layer, luminescent layer, electricity
Sub- transport layer and cathode layer.
5. display panel according to claim 4, which is characterized in that the multiple pixel region includes red pixel area
Domain, green pixel area and blue pixel area, the hole transmission layer correspond respectively to the red pixel area, described green
The thickness of color pixel region and the blue pixel area is sequentially reduced.
6. display panel according to claim 4, which is characterized in that the display panel further includes being located at electron transfer layer
Electron injecting layer between the cathode layer, the protective layer on the cathode layer.
7. display panel according to claim 1 or 2, which is characterized in that organic common layer is electron injecting layer.
8. display panel according to claim 7, which is characterized in that the display panel further includes being located at the electronics to infuse
Enter the cathode layer between layer and the substrate and the electron transfer layer being sequentially located on the electron injecting layer, luminescent layer, sky
Cave transport layer and anode layer.
9. display panel according to claim 8, which is characterized in that the multiple pixel region includes red pixel area
Domain, green pixel area and blue pixel area, the electron transfer layer correspond respectively to the red pixel area, described green
The thickness of color pixel region and the blue pixel area is sequentially reduced.
10. a kind of display device, which is characterized in that the display device includes showing described in any one of claim 1 to 9
Show panel.
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| CN115568251A (en) * | 2021-07-02 | 2023-01-03 | 荣耀终端有限公司 | Display panel, preparation method thereof and terminal |
| CN115568251B (en) * | 2021-07-02 | 2023-10-20 | 荣耀终端有限公司 | Display panel, preparation method thereof and terminal |
| CN114141849A (en) * | 2021-11-30 | 2022-03-04 | 京东方科技集团股份有限公司 | Display panel, manufacturing method thereof and display device |
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