CN110534551B - Display panel, manufacturing method thereof and display device - Google Patents
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- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
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- H10K59/126—Shielding, e.g. light-blocking means over the TFTs
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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
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
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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
- H10K59/80—Constructional details
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Abstract
A display panel, a manufacturing method thereof and a display device are provided, wherein the display panel comprises: a substrate, and a pixel defining layer and a black matrix layer disposed on the substrate to define a plurality of pixel regions; the black matrix layer defines a plurality of first opening areas on the substrate, the first opening areas correspond to the pixel areas one by one, the orthographic projection of the first opening areas on the substrate forms a closed area, and the closed area comprises a special-shaped boundary, so that when the display panel is in a dark state, light emitted from the first opening areas is uniformly distributed. The application provides a closed region that first opening area orthographic projection that black matrix layer injectd among display panel formed on the base formed is including special-shaped border for when display panel was in the dark state, the light evenly distributed who jets out from first opening area can reduce the colour separation degree, has improved display panel's reliability.
Description
Technical Field
The present disclosure relates to the field of display technologies, and in particular, to a display panel, a manufacturing method thereof, and a display device.
Background
An Organic Light-Emitting Diode (OLED) display panel has many advantages of self-luminescence, ultra-thin, fast response speed, high contrast, wide viewing angle, and the like, and is a display panel that receives much attention at present. In the related art, a Color Filter on Encap (Color Filter on Encap, abbreviated as COE) technology is provided, that is, a Filter is packaged on a light emitting side of an OLED display panel, and since the Filter can Filter light, the light emitting amount of ambient light entering the OLED display panel from the light emitting side after being reflected by an internal structure of the OLED display panel can be reduced.
The inventor researches and discovers that in the related art, when the OLED display panel is in a dark state, external light is reflected by the internal structure of the OLED display panel and then is emitted from the optical filter, the phenomenon of light concentration in a certain direction is easy to occur, so that the phenomenon of color separation is caused, and the reliability of the OLED display panel is reduced.
Disclosure of Invention
The application provides a display panel, a manufacturing method thereof and a display device, which can enable light rays reflected from the interior of the display panel to be uniformly diffused and spread, further improve the color separation phenomenon of the display panel and improve the reliability of the display panel.
In a first aspect, the present application provides a display panel comprising: a substrate, and a pixel defining layer and a black matrix layer disposed on the substrate to define a plurality of pixel regions;
the black matrix layer defines a plurality of first opening areas on the substrate, the first opening areas correspond to the pixel areas one to one, the orthographic projection of the first opening areas on the substrate forms a closed area, and the closed area comprises a special-shaped boundary, so that when the display panel is in a dark state, light emitted from the first opening areas is uniformly distributed.
Optionally, the pixel defining layer defines a plurality of second open areas on the substrate;
the second opening areas correspond to the first opening areas one by one, and the orthographic projection of each first opening area on the substrate covers the orthographic projection of the corresponding second opening area on the substrate.
Optionally, the shaped boundary comprises: a plurality of irregular patterns which are arranged in a non-periodic way;
the shape of the irregular figure comprises: saw-toothed or wavy.
Optionally, the display panel further comprises: a thin film transistor array layer, a light emitting device layer and an encapsulation layer disposed on the substrate; the light emitting device layer includes: a first electrode, a second electrode, and an organic light emitting layer;
the thin film transistor array layer is arranged on one side, close to the black matrix layer, of the substrate, the organic light emitting layer is located between the second electrode and the first electrode, the first electrode is located on one side, close to the substrate, of the second electrode, and the packaging layer is located on one side, far away from the substrate, of the light emitting device layer;
the first electrode is a reflective electrode.
Optionally, the display panel further comprises: the packaging structure comprises a plurality of color filters arranged on one side of the packaging layer far away from the substrate and a protective layer arranged on one side of the color filters far away from the substrate.
Optionally, the display panel further comprises: a touch substrate;
the touch substrate is arranged between the black matrix layer and the packaging layer.
In a second aspect, the present application further provides a display device including the display panel.
In a second aspect, the present application further provides a method for manufacturing a display panel, where the method includes:
providing a substrate;
sequentially forming a pixel defining layer and a black matrix layer for defining a plurality of pixel regions on a substrate; the black matrix layer defines a plurality of first opening areas on the substrate, the first opening areas correspond to the pixel areas one to one, the orthographic projection of the first opening areas on the substrate forms a closed area, and the closed area comprises a special-shaped boundary, so that when the display panel is in a dark state, light emitted from the first opening areas is uniformly distributed.
Optionally, the forming of the pixel defining layer and the black matrix layer for defining the plurality of pixel regions on the substrate includes:
forming a thin film transistor array layer on a substrate;
sequentially forming a first electrode and a pixel defining layer on the thin film transistor array layer;
forming an organic light emitting layer and a second electrode on the first electrode;
forming an encapsulation layer on the second electrode;
forming a black matrix layer and a color filter on the encapsulation layer;
a protective layer is formed on the color filter.
Optionally, after forming the encapsulation layer on the second electrode, the method further includes:
forming a touch substrate on the packaging layer;
the forming of the black matrix layer and the color filter on the encapsulation layer includes: and forming a black matrix layer and a color filter on the touch substrate.
The application provides a display panel and a manufacturing method thereof, and a display device, wherein the display panel comprises: a substrate, and a pixel defining layer and a black matrix layer disposed on the substrate to define a plurality of pixel regions; the black matrix layer defines a plurality of first opening areas on the substrate, the first opening areas correspond to the pixel areas one by one, the orthographic projection of the first opening areas on the substrate forms a closed area, and the closed area comprises a special-shaped boundary, so that when the display panel is in a dark state, light emitted from the first opening areas is uniformly distributed. The application provides a closed region that first opening area orthographic projection that black matrix layer injectd among display panel formed on the base formed is including special-shaped border for when display panel was in the dark state, the light evenly distributed who jets out from first opening area can reduce the colour separation degree, has improved display panel's reliability.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. Other advantages of the application may be realized and attained by the instrumentalities and combinations particularly pointed out in the specification, claims, and drawings.
Drawings
The accompanying drawings are included to provide an understanding of the present disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the examples serve to explain the principles of the disclosure and not to limit the disclosure.
Fig. 1 is a first schematic structural diagram of a display panel according to an embodiment of the present disclosure;
fig. 2 is a top view of an opening area of a display panel according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a display panel according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a display panel provided in the embodiment of the present application;
fig. 5 is a flowchart of a method for manufacturing a display panel according to an embodiment of the present disclosure.
Detailed Description
The present application describes embodiments, but the description is illustrative rather than limiting and it will be apparent to those of ordinary skill in the art that many more embodiments and implementations are possible within the scope of the embodiments described herein. Although many possible combinations of features are shown in the drawings and discussed in the detailed description, many other combinations of the disclosed features are possible. Any feature or element of any embodiment may be used in combination with or instead of any other feature or element in any other embodiment, unless expressly limited otherwise.
The present application includes and contemplates combinations of features and elements known to those of ordinary skill in the art. The embodiments, features and elements disclosed in this application may also be combined with any conventional features or elements to form a unique inventive concept as defined by the claims. Any feature or element of any embodiment may also be combined with features or elements from other inventive aspects to form yet another unique inventive aspect, as defined by the claims. Thus, it should be understood that any of the features shown and/or discussed in this application may be implemented alone or in any suitable combination. Accordingly, the embodiments are not limited except as by the appended claims and their equivalents. Furthermore, various modifications and changes may be made within the scope of the appended claims.
Further, in describing representative embodiments, the specification may have presented the method and/or process as a particular sequence of steps. However, to the extent that the method or process does not rely on the particular order of steps set forth herein, the method or process should not be limited to the particular sequence of steps described. Other orders of steps are possible as will be understood by those of ordinary skill in the art. Therefore, the particular order of the steps set forth in the specification should not be construed as limitations on the claims. Further, the claims directed to the method and/or process should not be limited to the performance of their steps in the order written, and one skilled in the art can readily appreciate that the sequences may be varied and still remain within the spirit and scope of the embodiments of the present application.
Unless defined otherwise, technical or scientific terms used in the disclosure of the embodiments of the present invention should have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. The use of "first," "second," and similar language in the embodiments of the present invention does not denote any order, quantity, or importance, but rather the terms "first," "second," and similar language are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Some embodiments of the present application provide a display panel, fig. 1 is a schematic structural diagram of the display panel provided in the embodiments of the present application, fig. 2 is a top view of an opening area of the display panel provided in the embodiments of the present application, as shown in fig. 1 and 2, the display panel provided in the embodiments of the present application includes: a substrate 10, and a pixel defining layer 20 and a black matrix layer 30 disposed on the substrate 10 to define a plurality of pixel regions.
Specifically, the black matrix layer 30 defines a plurality of first opening areas on the substrate 10, the first opening areas correspond to the pixel areas one by one, an orthographic projection a1 of the first opening areas on the substrate 10 forms a closed area, and the closed area includes a special-shaped boundary L, so that when the display panel is in a dark state, light emitted from the first opening areas is uniformly distributed.
Alternatively, the base 10 may be a rigid substrate or a flexible substrate, wherein the rigid substrate may be, but is not limited to, one or more of glass, metal sheet; the flexible substrate may be, but is not limited to, one or more of polyethylene terephthalate, ethylene terephthalate, polyetheretherketone, polystyrene, polycarbonate, polyarylate, polyimide, polyvinyl chloride, polyethylene, textile fibers.
Optionally, the pixel defining layer 20 may be made of a resin material, which is not limited in this embodiment.
Specifically, in this embodiment, the plurality of first opening regions are distributed in a matrix, and the sizes of the first opening regions corresponding to different pixel regions may be the same or different, and are determined according to specific requirements, which is not limited in this embodiment of the present application.
In this embodiment, there is the diffraction effect when the ambient light that reflects through display panel inner structure is propagated to display panel light-emitting side, and known by the diffraction theory, if light receives the restriction in certain direction, then, diffraction pattern just takes place the diffraction along this direction extension, and then makes the light of following this direction and emiting comparatively concentrate, and is more severe to the restriction of light, and the diffraction effect is just stronger. This application is through making the confined area that first opening district orthographic projection formed on the base include special-shaped boundary L, carries out the patterning design to the edge of first opening district promptly for the light that propagates to first opening district edge is from the light that first opening district jetted out promptly to each direction diffusion propagation, weakens diffraction effect, and then reduces the colour separation degree. The embodiment of the application can improve the color separation phenomenon of the display panel on the premise of not increasing an additional structure.
The display panel that this application embodiment provided includes: a substrate, and a pixel defining layer and a black matrix layer disposed on the substrate to define a plurality of pixel regions; the black matrix layer defines a plurality of first opening areas on the substrate, the first opening areas correspond to the pixel areas one by one, the orthographic projection of the first opening areas on the substrate forms a closed area, and the closed area comprises a special-shaped boundary, so that when the display panel is in a dark state, light emitted from the first opening areas is uniformly distributed. The application provides a closed region that first opening area orthographic projection that black matrix layer injectd among display panel formed on the base formed is including special-shaped border for when display panel was in the dark state, the light evenly distributed who jets out from first opening area can reduce the colour separation degree, has improved display panel's reliability.
Alternatively, in order to ensure the display effect of the display panel, as shown in fig. 1 and 2, the pixel defining layer 20 in the display panel provided by the embodiment of the present application defines a plurality of second opening regions on the substrate 10; the second opening regions correspond one-to-one to the first opening regions, and an orthographic projection A1 of each first opening region on the substrate covers an orthographic projection A2 of the corresponding second opening region on the substrate.
Optionally, in this embodiment, the special-shaped boundary includes: a plurality of irregular patterns arranged non-periodically. The embodiment of the present application does not specifically limit the specific shape of the irregular boundary as long as the light emitted from the first opening region can be uniformly distributed when the display panel is in a dark state.
Optionally, the shape of the irregular figure comprises: saw-toothed or wavy.
In order to avoid interference, the opaque lines of the black matrix layer provided in the embodiments of the present application are not too regular.
It should be noted that, in the embodiment, the first opening area is equivalent to that a slit is arranged at the edge of the first opening area, and the slit is cut into a combination of sub-slits with different widths, so that the spatial positions of the light concentration after being diffracted by each sub-slit and emitted to the edge of the first opening area are not overlapped, that is, the light is dispersed and approximately uniformly distributed, thereby improving the color separation phenomenon.
Preferably, the irregular pattern is saw-toothed in shape.
Optionally, as shown in fig. 1, the display panel provided in the embodiment of the present application further includes: a thin film transistor array layer 40, a light emitting device layer 50, and an encapsulation layer 60 disposed on the substrate 10; the light emitting device layer 50 includes: a first electrode 51, a second electrode 53, and an organic light emitting layer 52.
Specifically, the thin film transistor array layer 40 is disposed on a side of the substrate 10 close to the black matrix layer 30, the organic light emitting layer 52 is disposed between the second electrode 53 and the first electrode 51, the first electrode 51 is disposed on a side of the second electrode 53 close to the substrate 10, and the encapsulation layer 60 is disposed on a side of the light emitting device layer 50 away from the substrate 10.
The first electrode 51 is a reflective electrode, and the first electrode is used for reflecting ambient light emitted into the display panel when the display panel is in a dark state.
Optionally, the first electrode 51 is made of a metal, and includes: aluminum, copper, or other metal materials, which are not limited in this respect in the embodiments of the present application.
In this embodiment, the light emitting device layer includes a plurality of light emitting cells, and the plurality of light emitting cells are located in the plurality of second opening regions in a one-to-one correspondence.
It should be noted that, in the embodiment of the present application, the light emitting device layer may include: an OLED device or a Quantum Dot Light Emitting diode (QLED) device, etc., which is not limited in this embodiment.
The encapsulating layer 60 in this embodiment can not only isolate the light emitting device layer from the outside, and prevent water and oxygen from invading the organic light emitting layer in the light emitting device layer of the display panel, which affects the service life of the display panel, but also the outer surface of the encapsulating layer is flat, so that the black matrix layer can be manufactured on the flat surface, which is more beneficial to the display effect of the display panel.
Optionally, as shown in fig. 1, the display panel provided in the embodiment of the present application further includes: a plurality of color filters 70 disposed on a side of the encapsulation layer 60 remote from the substrate.
In this embodiment, when each of the pixels includes a red sub-pixel, a green sub-pixel, and a blue sub-pixel, the color filter includes: a red filter R, a green filter G and a blue filter B. On one hand, the color filter can filter the emergent light, so that the color purity of the emergent light is improved; on the other hand, the color filter can filter external light, can reduce the ambient light that gets into in the display panel, and then reduces the reflection of display panel to ambient light, improves user experience.
Optionally, fig. 3 is a schematic structural diagram of a display panel provided in the embodiment of the present application, and as shown in fig. 3, the display panel provided in the embodiment of the present application further includes: and a protective layer 80 disposed on a side of the color filter 70 away from the substrate 10.
In this embodiment, the protection layer 80 is provided for fixing and protecting the black matrix layer and the color filter, so that the display effect of the display panel can be protected, and the reliability of the display panel can be improved.
Alternatively, a material having fluidity, such as resin, may be used for the protective layer, and this is not limited in this embodiment.
Optionally, fig. 4 is a schematic structural diagram of a third display panel provided in the embodiment of the present application, and as shown in fig. 4, the display panel provided in the embodiment of the present application further includes: a touch substrate 90.
Wherein, the touch substrate 90 is disposed between the black matrix layer 30 and the encapsulation layer 60.
The display panel provided by the embodiment of the application comprises the touch substrate, so that touch can be realized, the function of the display panel is richer, and the application range is wider.
Based on the same inventive concept, some embodiments of the present application further provide a display device, including: the foregoing embodiments provide a display panel.
Optionally, the display device provided in the embodiment of the present application may be any product or component having a display function, such as electronic paper, a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, or a navigator.
The display device provided by the embodiment of the present application includes the display panel provided by the foregoing embodiment, and the implementation principle and the implementation effect thereof are similar, and are not described herein again.
Based on the same inventive concept, some embodiments of the present application further provide a manufacturing method of a display panel, and fig. 5 is a flowchart of the manufacturing method of the display panel provided in the embodiments of the present application, as shown in fig. 5, the manufacturing method of the display panel provided in the embodiments of the present application specifically includes the following steps:
Alternatively, the base may be a rigid substrate or a flexible substrate, wherein the rigid substrate may be, but is not limited to, one or more of glass, metal sheet; the flexible substrate may be, but is not limited to, one or more of polyethylene terephthalate, ethylene terephthalate, polyetheretherketone, polystyrene, polycarbonate, polyarylate, polyimide, polyvinyl chloride, polyethylene, textile fibers.
Specifically, the black matrix layer defines a plurality of first opening areas on the substrate, the first opening areas correspond to the pixel areas one to one, an orthographic projection of the first opening areas on the substrate forms a closed area, and the closed area comprises a special-shaped boundary, so that when the display panel is in a dark state, light emitted from the first opening areas is uniformly distributed.
Optionally, the pixel defining layer may be made of a resin material, which is not limited in this embodiment of the present application.
The manufacturing method of the display panel provided by the embodiment of the application comprises the following steps: the method comprises the steps of providing a substrate, and sequentially forming a pixel defining layer and a black matrix layer which are used for defining a plurality of pixel areas on the substrate, wherein the black matrix layer defines a plurality of first opening areas on the substrate, the first opening areas correspond to the pixel areas one to one, orthographic projections of the first opening areas on the substrate form a closed area, and the closed area comprises a special-shaped boundary, so that when the display panel is in a dark state, light emitted from the first opening areas is uniformly distributed. The closed region that the orthographic projection of the first opening area that black matrix layer among the display panel of this application preparation was injectd on the base formed is including special-shaped border for when display panel was in the dark state, the light evenly distributed who jets out from first opening area can reduce the color separation degree, has improved display panel's reliability.
Optionally, step 200 comprises: forming a thin film transistor array layer on a substrate; sequentially forming a first electrode and a pixel defining layer on the thin film transistor array layer; forming an organic light emitting layer and a second electrode on the first electrode; forming an encapsulation layer on the second electrode; forming a black matrix layer and a color filter on the encapsulation layer; a protective layer is formed on the color filter.
Wherein forming the black matrix layer on the encapsulation layer includes: and forming a black matrix layer by adopting a preset mask plate through a composition process. Wherein, the picture composition technology comprises: coating, exposing, developing, etching, stripping and the like.
The packaging layer in the embodiment prevents water and oxygen from invading the organic light emitting layer of the display panel to affect the service life of the display panel, and meanwhile, the outer surface of the packaging layer is flat, so that the black matrix layer can be manufactured on the flat surface, and the display effect of the display panel is more facilitated.
Wherein, the color filter includes: a red filter, a green filter and a blue filter. On one hand, the light filter can filter the emergent light, so that the color purity of the emergent light is improved; on the other hand, the optical filter can play the filtering action to external light, can reduce the ambient light that gets into in the display panel, and then reduces the reflection of display panel to ambient light, improves user experience.
In this embodiment, the protection layer is provided to fix and protect the black matrix layer and the color filter, so that the display effect of the display panel can be protected, and the reliability of the display panel can be improved.
Optionally, the first electrode is made of a metal, and includes: aluminum, copper, or other metal materials, which are not limited in this respect in the embodiments of the present application.
Optionally, after forming the encapsulation layer on the second electrode, the method for manufacturing the display panel provided in the embodiment of the present application further includes: and forming a touch substrate on the packaging layer.
The display panel provided by the embodiment of the application comprises the touch substrate, so that touch can be realized, the function of the display panel is richer, and the application range is wider.
Wherein forming the black matrix layer and the color filter on the encapsulation layer includes: and forming a black matrix layer and a color filter on the touch substrate.
The drawings of the embodiments of the invention only relate to the structures related to the embodiments of the invention, and other structures can refer to common designs.
In the drawings used to describe embodiments of the invention, the thickness and dimensions of layers or microstructures are exaggerated for clarity. It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" or "under" another element, it can be "directly on" or "under" the other element or intervening elements may be present.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A display panel, comprising: a substrate, and a pixel defining layer and a black matrix layer disposed on the substrate to define a plurality of pixel regions;
the black matrix layer defines a plurality of first opening areas on a substrate, the first opening areas correspond to the pixel areas one by one, an orthographic projection of the first opening areas on the substrate forms a closed area, the closed area comprises a special-shaped boundary, so that when the display panel is in a dark state, light emitted from the first opening areas is uniformly distributed, wherein the special-shaped boundary comprises: a plurality of irregular patterns arranged non-periodically, the irregular patterns having shapes comprising: saw-toothed or wavy.
2. The display panel of claim 1, wherein the pixel defining layer defines a plurality of second open areas on the substrate;
the second opening areas correspond to the first opening areas one by one, and the orthographic projection of each first opening area on the substrate covers the orthographic projection of the corresponding second opening area on the substrate.
3. The display panel according to claim 1, characterized in that the display panel further comprises: a thin film transistor array layer, a light emitting device layer and an encapsulation layer disposed on the substrate; the light emitting device layer includes: a first electrode, a second electrode, and an organic light emitting layer;
the thin film transistor array layer is arranged on one side, close to the black matrix layer, of the substrate, the organic light emitting layer is located between the second electrode and the first electrode, the first electrode is located on one side, close to the substrate, of the second electrode, and the packaging layer is located on one side, far away from the substrate, of the light emitting device layer;
the first electrode is a reflective electrode.
4. The display panel according to claim 3, characterized in that the display panel further comprises: the packaging structure comprises a plurality of color filters arranged on one side of the packaging layer far away from the substrate and a protective layer arranged on one side of the color filters far away from the substrate.
5. The display panel according to claim 4, characterized in that the display panel further comprises: a touch substrate;
the touch substrate is arranged between the black matrix layer and the packaging layer.
6. A display device, comprising: a display panel according to any one of claims 1 to 5.
7. A method for manufacturing a display panel, the method comprising:
providing a substrate;
sequentially forming a pixel defining layer and a black matrix layer for defining a plurality of pixel regions on a substrate; the black matrix layer defines a plurality of first opening areas on a substrate, the first opening areas correspond to the pixel areas one by one, an orthographic projection of the first opening areas on the substrate forms a closed area, the closed area comprises a special-shaped boundary, so that when the display panel is in a dark state, light emitted from the first opening areas is uniformly distributed, wherein the special-shaped boundary comprises: a plurality of irregular patterns arranged non-periodically, the irregular patterns having shapes comprising: saw-toothed or wavy.
8. The method of claim 7, wherein forming a pixel defining layer and a black matrix layer on the substrate to define the plurality of pixel regions comprises:
forming a thin film transistor array layer on a substrate;
sequentially forming a first electrode and a pixel defining layer on the thin film transistor array layer;
forming an organic light emitting layer and a second electrode on the first electrode;
forming an encapsulation layer on the second electrode;
forming a black matrix layer and a color filter on the encapsulation layer;
a protective layer is formed on the color filter.
9. The method of claim 8, wherein after forming the encapsulation layer on the second electrode, the method further comprises:
forming a touch substrate on the packaging layer;
the forming of the black matrix layer and the color filter on the encapsulation layer includes: and forming a black matrix layer and a color filter on the touch substrate.
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111162109B (en) * | 2020-01-02 | 2022-07-26 | 武汉天马微电子有限公司 | Display panel and display device |
| CN111326636B (en) * | 2020-02-27 | 2021-04-27 | 京东方科技集团股份有限公司 | Array substrate, manufacturing method thereof, display panel and display device |
| CN111443517A (en) * | 2020-03-26 | 2020-07-24 | 武汉华星光电半导体显示技术有限公司 | Display device and manufacturing method thereof |
| US11393881B2 (en) | 2020-03-26 | 2022-07-19 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display device and manufacturing method thereof |
| CN115528192A (en) * | 2020-06-17 | 2022-12-27 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN112768471B (en) * | 2020-12-31 | 2024-02-02 | 合肥维信诺科技有限公司 | Display panel and manufacturing method thereof |
| EP4113372A4 (en) | 2021-01-26 | 2023-06-28 | BOE Technology Group Co., Ltd. | Display panel and display apparatus |
| CN112928146B (en) * | 2021-02-03 | 2024-03-15 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN113517412A (en) * | 2021-04-22 | 2021-10-19 | 京东方科技集团股份有限公司 | Display panel, manufacturing method thereof and display device |
| EP4206882A4 (en) * | 2021-05-19 | 2024-01-03 | Boe Technology Group Co Ltd | Touch structure and display panel |
| CN113241361B (en) * | 2021-05-28 | 2023-02-03 | 武汉华星光电半导体显示技术有限公司 | OLED display panel |
| CN113327964A (en) * | 2021-05-28 | 2021-08-31 | 武汉华星光电技术有限公司 | OLED display panel |
| CN113257883B (en) * | 2021-07-07 | 2021-09-24 | 北京京东方技术开发有限公司 | Display substrate, preparation method thereof and display device |
| CN113782574B (en) * | 2021-09-10 | 2023-01-24 | 武汉华星光电半导体显示技术有限公司 | Display panel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140247A (en) * | 2015-10-10 | 2015-12-09 | 京东方科技集团股份有限公司 | Organic light-emitting diode array substrate, manufacture method thereof and displayer using same |
| KR20160054720A (en) * | 2014-11-06 | 2016-05-17 | 엘지디스플레이 주식회사 | Organic Light Emitting Diode Display Device |
| KR20170040180A (en) * | 2017-04-06 | 2017-04-12 | 엘지디스플레이 주식회사 | Organic light emitting display device |
| CN108054184A (en) * | 2017-12-11 | 2018-05-18 | 京东方科技集团股份有限公司 | A kind of array substrate and preparation method, display device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102490894B1 (en) * | 2018-02-08 | 2023-01-25 | 삼성디스플레이 주식회사 | Organic light emitting display apparatus |
-
2019
- 2019-08-30 CN CN201910815488.6A patent/CN110534551B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160054720A (en) * | 2014-11-06 | 2016-05-17 | 엘지디스플레이 주식회사 | Organic Light Emitting Diode Display Device |
| CN105140247A (en) * | 2015-10-10 | 2015-12-09 | 京东方科技集团股份有限公司 | Organic light-emitting diode array substrate, manufacture method thereof and displayer using same |
| KR20170040180A (en) * | 2017-04-06 | 2017-04-12 | 엘지디스플레이 주식회사 | Organic light emitting display device |
| CN108054184A (en) * | 2017-12-11 | 2018-05-18 | 京东方科技集团股份有限公司 | A kind of array substrate and preparation method, display device |
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