CN110854173A - OLED display panel - Google Patents
OLED display panel Download PDFInfo
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- CN110854173A CN110854173A CN201911172802.XA CN201911172802A CN110854173A CN 110854173 A CN110854173 A CN 110854173A CN 201911172802 A CN201911172802 A CN 201911172802A CN 110854173 A CN110854173 A CN 110854173A
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- channel region
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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
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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
- H10K59/126—Shielding, e.g. light-blocking means over the TFTs
Abstract
The invention provides an OLED display panel, which comprises a substrate base plate, an active layer arranged on the substrate base plate, a grid electrode insulating layer arranged on the active layer and a first metal layer arranged on the grid electrode insulating layer; the active layer includes a plurality of active islands, the active islands including channel regions; a colored resistance layer is arranged on one side, away from the active layer, of the substrate base plate, and the orthographic projection of the colored resistance layer on the substrate base plate at least contains the orthographic projection of the channel region of a part of the active island on the substrate base plate. The channel region of the active island is shielded by the color resistance layer, so that the TFT device is prevented from electrically drifting due to the fact that ambient light irradiates the channel region of the active island, the light emitted by the light emitting layer can be normally emitted out of the display panel by utilizing gaps among the color resistance blocks, display of the pixel panel is not affected, and meanwhile, the color resistance layer is arranged on the back side of the substrate base plate, and the preparation of each film layer on the forward side of the substrate base plate is not affected.
Description
Technical Field
The invention relates to the technical field of display, in particular to an OLED display panel.
Background
Compared with the traditional LCD, the OLED device has the advantages of light weight, wide visual angle, fast response time, low temperature resistance, high luminous efficiency and the like, so that the OLED device is always considered as a next-generation novel display technology in the display industry.
However, the OLED device is driven by current, and in order to reduce the influence of parasitic capacitance, the TFT device in the OLED display panel usually adopts a top gate structure, and when the OLED device emits light from the bottom, a channel region of the TFT device is susceptible to ambient light irradiation, which causes electrical drift of the TFT.
Disclosure of Invention
The invention provides an OLED display panel, which aims to solve the technical problem that when an OLED device emits light at the bottom, a channel region of a TFT device is easy to be irradiated by ambient light to cause electrical drift of the TFT.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
an OLED display panel, comprising:
a substrate base plate;
an active layer disposed on the substrate base plate;
a gate insulating layer disposed on the active layer;
a first metal layer disposed on the gate insulating layer;
an interlayer insulating layer covering the first metal layer and the active layer;
a second metal layer disposed on the interlayer insulating layer;
a passivation layer covering the second metal layer;
a planarization layer disposed on the passivation layer;
an anode metal layer disposed on the planarization layer and a pixel defining layer covering the anode metal layer;
the light emitting layer is arranged on the pixel defining layer and is electrically connected with the anode metal layer;
the cathode metal layer is arranged on the pixel defining layer and is electrically connected with the light emitting layer;
the active layer comprises a plurality of active islands arranged at intervals, and each active island comprises a channel region and a contact region positioned at the side of the channel region; and a colored resistance layer is arranged on one side of the substrate base plate, which is far away from the active layer, and the orthographic projection of the colored resistance layer on the substrate base plate at least contains the orthographic projection of the channel region of a part of the active island on the substrate base plate.
In some embodiments, the color-resist layer includes a plurality of color-resist blocks arranged at intervals, and an orthographic projection of one color-resist block on the substrate at least encompasses an orthographic projection of a channel region of one active island on the substrate.
In some embodiments, one of the color-resist blocks is disposed corresponding to a channel region of one of the active islands.
In some embodiments, the active layer includes spaced apart switching active islands, driving active islands, and sensing active islands; the switch active island comprises a first channel region, the drive active island comprises a second channel region, the induction active island comprises a third channel region, and the first metal layer comprises a first grid electrode arranged corresponding to the first channel region, a second grid electrode corresponding to the second channel region and a third grid electrode corresponding to the third channel region.
In some embodiments, the OLED display panel further includes a light-shielding layer disposed on a side of the substrate adjacent to the active layer, and a buffer layer covering the light-shielding layer, the active layer being disposed on the buffer layer, and an orthographic projection of the light-shielding layer on the substrate covering an orthographic projection of the driving active island on the substrate.
In some embodiments, an orthographic projection of the color-resist layer on the substrate base plate covers orthographic projections of the first channel region and the third channel region on the substrate base plate.
In some embodiments, a protective layer is disposed on the base substrate to cover the color resist layer.
In some embodiments, the protective layer is made of a material that includes a transparent material.
In some embodiments, the color-resist layer comprises a red color-resist layer.
In some embodiments, the first metal layer is provided with a registration mark for positioning the color block when the color block is formed.
The invention has the beneficial effects that: the channel region of the active island is shielded by the color resistance layer, so that the channel region of the active island is prevented from being irradiated by ambient light to cause the TFT device to generate electrical drift, the gap between the color resistance blocks can be utilized to enable light emitted by the light emitting layer to normally emit out of the display panel, the display of the pixel panel cannot be influenced, meanwhile, the color resistance layer is arranged on the back side of the substrate base plate, the preparation of each film layer on the positive side of the substrate base plate cannot be influenced, and the color resistance blocks can also be utilized to prevent the light emitted by the light emitting layer from generating dispersion and reflecting when emitting out of the substrate base plate to cause the light color mixing of adjacent pigments.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of an OLED display panel according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an OLED display panel according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of an OLED display panel according to a third embodiment of the invention.
Reference numerals:
11. a substrate base plate; 12. an active island; 121. a channel region; 122. a contact zone; 123. switching the active island; 1231. a first channel region; 124. driving the active island; 1241. a second channel region; 125. inducing an active island; 1251. a third channel region; 13. a gate insulating layer; 14. a gate electrode; 141. a first gate electrode; 142. a second gate electrode; 143. a third gate electrode; 15. an interlayer insulating layer; 16. a second metal layer; 161. a first source drain; 162. a second source drain; 163. a third source drain; 17. a passivation layer; 18. a planarization layer; 19. an anode metal layer; 20. a pixel defining layer; 21. a light emitting layer; 22. a cathode metal layer; 23. packaging the cover plate; 24. a color block; 25. a light-shielding layer; 26. a buffer layer; 27. and a protective layer.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
The invention aims at the technical problem that when an OLED device emits light at the bottom in the existing OLED display panel, a channel region of the TFT device is easy to be irradiated by ambient light to cause electrical drift of the TFT. The present invention can solve the above problems.
An OLED display panel, as shown in fig. 1, includes a substrate 11, an active layer disposed on the substrate 11, a gate 14 insulating layer 13 disposed on the active layer, and a first metal layer disposed on the gate 14 insulating layer 13.
The active layer comprises a plurality of active islands 12 arranged at intervals, each active island 12 comprises a channel region 121 and a contact region 122 located at the side of the channel region 121, and each contact region 122 is an ion doped region; the first metal layer includes gates 14 corresponding to the active islands 12 one to one, and the gates 14 are disposed corresponding to the channel regions 121 of the active islands 12.
Specifically, the display panel further includes an interlayer insulating layer 15 covering the first metal layer and the active layer, a second metal layer 16 disposed on the interlayer insulating layer 15, a passivation layer 17 covering the second metal layer 16, a flat layer 18 disposed on the passivation layer 17, an anode metal layer 19 disposed on the flat layer 18, a pixel defining layer 20 covering the anode metal layer 19, a light emitting layer 21 disposed on the pixel defining layer 20 and electrically connected to the anode metal layer 19, and a cathode metal layer 22 disposed on the pixel defining layer 20 and electrically connected to the light emitting layer 21.
The second metal layer 16 includes a source and a drain, a via hole is disposed between the source and the drain and the corresponding active island 12, and the source and the drain are electrically connected to the active island 12 through the via hole.
Wherein, a pixel opening is disposed on the pixel defining layer 20, and the light emitting layer 21 is disposed in the pixel opening and connected to the anode metal layer 19 through a landing hole.
In an embodiment, as shown in fig. 2, the OLED display panel further includes an encapsulation cover plate 23 attached to the cathode metal layer 22, where the encapsulation cover plate 23 may be a glass cover plate or a transparent plastic cover plate.
Specifically, a color resistance layer is disposed on a side of the substrate 11 away from the active layer, and an orthographic projection of the color resistance layer on the substrate 11 at least partially encompasses an orthographic projection of the channel region 121 of the active island 12 on the substrate 11.
The channel region 121 of the active island 12 is shielded by the color resistance layer, so that the TFT device is prevented from electrical drift caused by the fact that the channel region 121 of the active island 12 is irradiated by ambient light, and meanwhile, the color resistance layer is arranged on the back side of the substrate base plate 11, and the preparation of each film layer on the forward side of the substrate base plate 11 cannot be influenced.
Specifically, the color-resist layer includes a plurality of color-resist blocks 24 arranged at intervals, and an orthographic projection of one color-resist block 24 on the substrate 11 at least encompasses an orthographic projection of the channel region 121 of one active island 12 on the substrate 11.
When the color block 24 is used for shielding the ambient light, the gap between the color blocks 24 is used for enabling the light emitted by the light emitting layer 21 to normally emit out of the display panel, the display of the pixel panel is not affected, and the color block 24 is used for preventing the light emitted by the light emitting layer 21 from scattering and reflecting when the light emits out of the substrate 11 to cause the light color mixture of adjacent pigments.
Note that one color resist block 24 may simultaneously block the channel regions 121 of a plurality of active islands 12, or may block only the channel region 121 of one active island 12.
Further, one of the color resist blocks 24 is disposed corresponding to the channel region 121 of one of the active islands 12, so that the color resist blocks 24 can block ambient light and prevent the color resist blocks 24 from blocking light emitted from the light emitting layer 21.
The color resist blocks 24 may correspond to the active islands 12 one-to-one, or the color resist blocks 24 may be provided only under a part of the active islands 12.
It should be noted that the shape and surface area of the color-resisting block 24 may be the same as those of the active region of the active island 12 directly above the color-resisting block, and the surface area of the color-resisting block 24 may also be slightly larger than that of the active region of the active island 12 directly above the color-resisting block.
In one embodiment, the active layer includes spaced switching active islands 123, driving active islands 124, and sensing active islands 125; the switching active island 123 includes a first channel region 1231, the driving active island 124 includes a second channel region 1241, the sensing active island 125 includes a third channel region 125, and the first metal layer includes a first gate 141 corresponding to the first channel region 1231, a second gate 142 corresponding to the second channel region 1241, and a third gate 143 corresponding to the third channel region 1251.
Specifically, the second metal layer 16 includes a first source/drain 161 electrically connected to the switch active island 123, a second source/drain 162 electrically connected to the driving active island 124, and a third source/drain 163 electrically connected to the induced active island 125; the switching active island 123, the first gate 141 and the first source/drain 161 form a switching TFT; the driving active island 124, the second gate 142 and the second source/drain 162 form a driving TFT; the sensing active island 125 forms a sensing TFT with the third gate electrode 143 and the third source drain electrode 163.
The anode metal layer 19 is in contact with and electrically connected to the second source/drain 162, and the sensing TFT is used to control on/off of a sensing device such as a touch sensor or a light sensor.
Specifically, the OLED display panel further includes a light shielding layer 25 disposed on a side of the substrate 11 close to the active layer, and a buffer layer 26 covering the light shielding layer 25, the active layer is disposed on the buffer layer 26, and an orthographic projection of the light shielding layer 25 on the substrate 11 covers an orthographic projection of the driving active island 124 on the substrate 11.
Wherein an orthographic projection of the color-resist layer on the substrate 11 covers orthographic projections of the first channel region 1231 and the third channel region 1251 on the substrate 11.
In one embodiment, the color resist blocks 24 are disposed directly below the light-shielding layer 25, and the channel regions 121 of the driving active islands 124 are shielded by the color resist blocks 24 and the light-shielding layer 25 in a double-layer manner, so as to improve the light-shielding effect.
In another embodiment, as shown in fig. 3, the color resist blocks 24 are not provided directly below the light-shielding layer 25, and the channel regions 121 of the driving active islands 124 are shielded from light only by the light-shielding layer 25.
Specifically, the color resistance layer comprises a red color resistance layer. The red color resistance layer has a strong absorption effect on the ambient light, so that a better shielding effect is achieved on the ambient light.
Specifically, a protective layer 27 covering the color resist layer is disposed on the substrate 11, and the material for preparing the protective layer 27 includes a transparent material, and the transparent material includes, but is not limited to, silicon nitride or silicon oxide.
The light shielding layer 25 is protected by the protective layer 27 to prevent the color resist layer from peeling off in the subsequent process, and the transparent protective layer 27 does not obstruct the light emitted from the light emitting layer 21.
In the process of manufacturing the OLED display panel, after forming each film layer on the front surface of the substrate base plate 11, the substrate base plate 11 is turned over by using a turning machine to turn the back surface upward, and color-resist inkjet printing and drying processes are performed on the back surface to form a color-resist layer, and after forming the color-resist layer, the protective layer 27 covering the color-resist layer may be formed on the substrate base plate 11 by chemical vapor deposition.
Specifically, the first metal layer is provided with a positioning mark for positioning the color resist block 24 when the color resist block 24 is formed.
Note that, when the first metal layer is formed, alignment marks are formed on the first metal layer by etching or the like, so that the positions of the color resist blocks 24 are easily located.
The invention has the beneficial effects that: the channel region 121 of the active island 12 is shielded by the color resistance layer, so that the electrical drift of the TFT device caused by the irradiation of ambient light to the channel region 121 of the active island 12 is prevented, the gap between the color resistance blocks 24 can be utilized to enable the light emitted by the light emitting layer 21 to normally emit out of the display panel, the display of the pixel panel is not influenced, meanwhile, the color resistance layer is arranged on the back side of the substrate 11, the preparation of each film layer on the positive side of the substrate 11 is not influenced, and the color resistance blocks 24 can also be utilized to prevent the light emitted by the light emitting layer 21 from being dispersed and reflected when the light emits out of the substrate 11, so that the light mixing of adjacent pigments is caused.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The foregoing describes in detail an electronic device provided in an embodiment of the present application, and a specific example is applied to illustrate the principle and the implementation of the present application, and the description of the foregoing embodiment is only used to help understanding the technical solution and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. An OLED display panel, comprising:
a substrate base plate;
an active layer disposed on the substrate base plate;
a gate insulating layer disposed on the active layer;
a first metal layer disposed on the gate insulating layer;
an interlayer insulating layer covering the first metal layer and the active layer;
a second metal layer disposed on the interlayer insulating layer;
a passivation layer covering the second metal layer;
a planarization layer disposed on the passivation layer;
an anode metal layer disposed on the planarization layer and a pixel defining layer covering the anode metal layer;
the light emitting layer is arranged on the pixel defining layer and is electrically connected with the anode metal layer;
the cathode metal layer is arranged on the pixel defining layer and is electrically connected with the light emitting layer;
the active layer comprises a plurality of active islands arranged at intervals, and each active island comprises a channel region and a contact region positioned at the side of the channel region; and a colored resistance layer is arranged on one side of the substrate base plate, which is far away from the active layer, and the orthographic projection of the colored resistance layer on the substrate base plate at least contains the orthographic projection of the channel region of a part of the active island on the substrate base plate.
2. The OLED display panel of claim 1, wherein the color-resist layer comprises a plurality of spaced-apart color-resist blocks, an orthographic projection of one of the color-resist blocks on the substrate base plate encompassing at least an orthographic projection of the channel region of one of the active islands on the substrate base plate.
3. The OLED display panel of claim 2, wherein one of the color-resist blocks is disposed corresponding to a channel region of one of the active islands.
4. The OLED display panel of claim 1, wherein the active layer comprises spaced apart switching active islands, driving active islands, and induced active islands; the switch active island comprises a first channel region, the drive active island comprises a second channel region, the induction active island comprises a third channel region, and the first metal layer comprises a first grid electrode arranged corresponding to the first channel region, a second grid electrode corresponding to the second channel region and a third grid electrode corresponding to the third channel region.
5. The OLED display panel of claim 4, further comprising a light-shielding layer disposed on a side of the substrate adjacent to the active layer and a buffer layer covering the light-shielding layer, wherein the active layer is disposed on the buffer layer, and an orthographic projection of the light-shielding layer on the substrate covers an orthographic projection of the driving active island on the substrate.
6. The OLED display panel of claim 5, wherein an orthographic projection of the color-resist layer on the substrate base plate covers an orthographic projection of the first channel region and the third channel region on the substrate base plate.
7. The OLED display panel of claim 1, wherein the substrate base plate is provided with a protective layer covering the color-resist layer.
8. The OLED display panel of claim 7, wherein the protective layer is made of a material comprising a transparent material.
9. The OLED display panel of claim 1, wherein the color-resist layer comprises a red color-resist layer.
10. The OLED display panel of claim 2, wherein the first metal layer is provided with alignment marks for positioning the color block when the color block is formed.
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| CN201911172802.XA CN110854173A (en) | 2019-11-26 | 2019-11-26 | OLED display panel |
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| CN201911172802.XA CN110854173A (en) | 2019-11-26 | 2019-11-26 | OLED display panel |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111584573A (en) * | 2020-05-13 | 2020-08-25 | 深圳市华星光电半导体显示技术有限公司 | OLED display panel and preparation method thereof |
| CN111965876A (en) * | 2020-08-10 | 2020-11-20 | Tcl华星光电技术有限公司 | Liquid crystal display panel and liquid crystal display device |
| CN112071880A (en) * | 2020-09-07 | 2020-12-11 | Tcl华星光电技术有限公司 | Display panel |
| WO2021189329A1 (en) * | 2020-03-25 | 2021-09-30 | 京东方科技集团股份有限公司 | Display substrate and display device |
| CN113644096A (en) * | 2021-07-22 | 2021-11-12 | 武汉天马微电子有限公司 | Display panel and display device |
| US11415829B2 (en) | 2020-08-10 | 2022-08-16 | Tcl China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display panel and liquid crystal display device |
| US11785806B2 (en) | 2020-03-25 | 2023-10-10 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display substrate and display device |
| US11864428B2 (en) | 2020-03-25 | 2024-01-02 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display substrate and display device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150200211A1 (en) * | 2014-01-14 | 2015-07-16 | Samsung Display Co., Ltd. | Display panel and method of manufacturing the same |
| CN106156753A (en) * | 2016-07-25 | 2016-11-23 | 京东方科技集团股份有限公司 | Array base palte of fingerprint recognition and preparation method thereof, display device |
| WO2017016014A1 (en) * | 2015-07-30 | 2017-02-02 | 深圳市华星光电技术有限公司 | Coa array substrate and liquid crystal panel |
| CN107170762A (en) * | 2017-06-16 | 2017-09-15 | 武汉华星光电半导体显示技术有限公司 | OLED display panel and preparation method thereof |
| CN206618932U (en) * | 2017-03-14 | 2017-11-07 | 厦门天马微电子有限公司 | Display panel and display device |
| CN107425011A (en) * | 2017-05-05 | 2017-12-01 | 京东方科技集团股份有限公司 | Array base palte and preparation method thereof, display device |
| CN107885004A (en) * | 2017-12-06 | 2018-04-06 | 京东方科技集团股份有限公司 | A kind of array base palte, display panel, display device and its manufacture craft |
| CN109887964A (en) * | 2019-02-15 | 2019-06-14 | 京东方科技集团股份有限公司 | A kind of display device and preparation method thereof |
| CN209570781U (en) * | 2018-09-30 | 2019-11-01 | 重庆惠科金渝光电科技有限公司 | A kind of array substrate and display panel |
| CN110400809A (en) * | 2019-07-24 | 2019-11-01 | 深圳市华星光电半导体显示技术有限公司 | TFT drives backboard and Micro-LED display |
-
2019
- 2019-11-26 CN CN201911172802.XA patent/CN110854173A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150200211A1 (en) * | 2014-01-14 | 2015-07-16 | Samsung Display Co., Ltd. | Display panel and method of manufacturing the same |
| WO2017016014A1 (en) * | 2015-07-30 | 2017-02-02 | 深圳市华星光电技术有限公司 | Coa array substrate and liquid crystal panel |
| CN106156753A (en) * | 2016-07-25 | 2016-11-23 | 京东方科技集团股份有限公司 | Array base palte of fingerprint recognition and preparation method thereof, display device |
| CN206618932U (en) * | 2017-03-14 | 2017-11-07 | 厦门天马微电子有限公司 | Display panel and display device |
| CN107425011A (en) * | 2017-05-05 | 2017-12-01 | 京东方科技集团股份有限公司 | Array base palte and preparation method thereof, display device |
| CN107170762A (en) * | 2017-06-16 | 2017-09-15 | 武汉华星光电半导体显示技术有限公司 | OLED display panel and preparation method thereof |
| CN107885004A (en) * | 2017-12-06 | 2018-04-06 | 京东方科技集团股份有限公司 | A kind of array base palte, display panel, display device and its manufacture craft |
| CN209570781U (en) * | 2018-09-30 | 2019-11-01 | 重庆惠科金渝光电科技有限公司 | A kind of array substrate and display panel |
| CN109887964A (en) * | 2019-02-15 | 2019-06-14 | 京东方科技集团股份有限公司 | A kind of display device and preparation method thereof |
| CN110400809A (en) * | 2019-07-24 | 2019-11-01 | 深圳市华星光电半导体显示技术有限公司 | TFT drives backboard and Micro-LED display |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11785806B2 (en) | 2020-03-25 | 2023-10-10 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display substrate and display device |
| US11864428B2 (en) | 2020-03-25 | 2024-01-02 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display substrate and display device |
| WO2021189329A1 (en) * | 2020-03-25 | 2021-09-30 | 京东方科技集团股份有限公司 | Display substrate and display device |
| US11825696B2 (en) | 2020-03-25 | 2023-11-21 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display substrate and display device |
| CN113966551A (en) * | 2020-03-25 | 2022-01-21 | 京东方科技集团股份有限公司 | Display substrate and display device |
| US11825697B2 (en) | 2020-03-25 | 2023-11-21 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display substrate and display device |
| CN111584573B (en) * | 2020-05-13 | 2024-02-09 | 深圳市华星光电半导体显示技术有限公司 | OLED display panel and preparation method thereof |
| CN111584573A (en) * | 2020-05-13 | 2020-08-25 | 深圳市华星光电半导体显示技术有限公司 | OLED display panel and preparation method thereof |
| CN111965876B (en) * | 2020-08-10 | 2022-02-22 | Tcl华星光电技术有限公司 | Liquid crystal display panel and liquid crystal display device |
| US11415829B2 (en) | 2020-08-10 | 2022-08-16 | Tcl China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display panel and liquid crystal display device |
| CN111965876A (en) * | 2020-08-10 | 2020-11-20 | Tcl华星光电技术有限公司 | Liquid crystal display panel and liquid crystal display device |
| CN112071880B (en) * | 2020-09-07 | 2023-10-17 | Tcl华星光电技术有限公司 | display panel |
| CN112071880A (en) * | 2020-09-07 | 2020-12-11 | Tcl华星光电技术有限公司 | Display panel |
| CN113644096A (en) * | 2021-07-22 | 2021-11-12 | 武汉天马微电子有限公司 | Display panel and display device |
| CN113644096B (en) * | 2021-07-22 | 2023-12-19 | 武汉天马微电子有限公司 | Display panel and display device |
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