专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明公开

EP4444062A1 DISPLAY SUBSTRATE AND DISPLAY DEVICE 审中-实审
公开(公告)号：EP4444062A1
公开(公告)日：2024-10-09
申请号：EP22948412.6
申请日：2022-06-29
申请人： BOE TECHNOLOGY GROUP CO., LTD. , Hefei Xinsheng Optoelectronics Technology Co., Ltd.
发明人： LIU, Ning , ZHOU, Bin , YUAN, Can , WANG, Yu , WANG, Xinxin , ZHANG, Dacheng
IPC分类号： H10K50/824 , H10K50/818
CPC分类号： H10K50/818 , H10K50/824
摘要： Provided in the present disclosure are a display substrate and a display device. The display substrate comprises a drive structure layer (20) arranged on a base (10) and a light-emitting structure layer (30) arranged on the drive structure layer (20), wherein the light-emitting structure layer (30) at least comprises a cathode (24) and an auxiliary electrode (70), the cathode (24) being connected to the auxiliary electrode (70); the auxiliary electrode (70) comprises a first auxiliary electrode (71), a second auxiliary electrode (72) and a third auxiliary electrode (73), which are stacked in a direction away from the base (10); and a side wall of the third auxiliary electrode (73) opposite to the second auxiliary electrode (72) is provided with a protrusion that has a protruding distance greater than or equal to the thickness of the second auxiliary electrode (72), the protruding distance being the distance between an edge of the third auxiliary electrode (73) and the side wall of the second auxiliary electrode (72).

2. 发明公开

EP4131446A1 DISPLAY SUBSTRATE, PREPARATION METHOD THEREFOR, AND DISPLAY DEVICE 审中-实审
公开(公告)号：EP4131446A1
公开(公告)日：2023-02-08
申请号：EP20897668.8
申请日：2020-03-27
申请人： BOE Technology Group Co., Ltd.
发明人： WANG, Qing , HUANG, Kuanta , CHEN, Xiaochuan , ZHANG, Dacheng
IPC分类号： H01L51/50
摘要： Provided are a display substrate and a preparation method thereof, and a display device. The display substrate includes a base substrate, a light-emitting element disposed on the base substrate, and an encapsulation layer disposed on the light-emitting element, the display substrate further comprises a driving circuit connected with the light-emitting element and configured to drive the light-emitting element, the driving circuit comprises a driving transistor which comprises an active layer located inside the base substrate; the encapsulation layer comprises a first gradient layer and a second gradient layer stacked along a direction away from the base substrate, a content of oxygen element in the first gradient layer gradually decreases, and a content of carbon element in the second gradient layer gradually increases along the direction away from the base substrate.

3. 发明公开

EP4068376A1 DISPLAY SUBSTRATE AND MANUFACTURING METHOD THEREFOR, AND DISPLAY DEVICE 审中-公开
公开(公告)号：EP4068376A1
公开(公告)日：2022-10-05
申请号：EP19945451.3
申请日：2019-11-29
申请人： BOE Technology Group Co., Ltd. , Hefei Boe Joint Technology Co., Ltd.
发明人： YUAN, Can , LI, Yongqian , LI, Meng , YUAN, Zhidong , ZHANG, Dacheng , LIU, Lang
IPC分类号： H01L27/32
摘要： A display substrate, a manufacturing method thereof and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate. The sub-pixels are arranged in a sub-pixel array in a first direction and a second direction, the first direction intersecting with the second direction. The display substrate further includes data lines extended in the first direction, and the data lines are connected in one-to-one correspondence with the sub-pixels in columns in each row of sub-pixels, so as to provide data signals respectively; the display substrate further includes auxiliary electrode lines extended in the first direction which are configured to be electrically connected with a second electrode of the light emitting element to provide a second power voltage; each of the auxiliary electrode lines is spaced from any one of the plurality of data lines by at least one column of sub-pixels. The display substrate can effectively improve display density and meanwhile optimize the wiring.

4. 发明公开

EP4068360A1 DISPLAY SUBSTRATE, MANUFACTURING METHOD THEREFOR, AND DISPLAY DEVICE 审中-公开
公开(公告)号：EP4068360A1
公开(公告)日：2022-10-05
申请号：EP19945442.2
申请日：2019-11-29
申请人： BOE Technology Group Co., Ltd. , Hefei Xinsheng Optoelectronics Technology Co., Ltd.
发明人： LI, Meng , WU, Zhongyuan , LI, Yongqian , YUAN, Can , YUAN, Zhidong , FENG, Xuehuan , LIU, Lang , ZHANG, Dacheng
IPC分类号： H01L27/12 , H01L27/32
摘要： A display substrate and a manufacturing method thereof and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate. The sub-pixels are arranged in a sub-pixel array. At least one sub-pixel includes a first transistor, a second transistor, a third transistor and a storage capacitor. The first electrode of the third transistor is electrically connected to an active layer of the third transistor through a first via hole, and the first electrode of the third transistor is configured to be electrically connected to the light emitting element through a second via hole; the first via hole and the second via hole are at least partially overlapped with each other in a direction perpendicular to the base substrate. The display substrate can effectively reduce a voltage drop at an electrode of the light emitting element and improve the display effect.

5. 发明公开

EP4068265A1 DISPLAY SUBSTRATE AND MANUFACTURING METHOD THEREFOR, AND DISPLAY DEVICE 审中-实审
公开(公告)号：EP4068265A1
公开(公告)日：2022-10-05
申请号：EP19945450.5
申请日：2019-11-29
申请人： BOE Technology Group Co., Ltd. , Hefei Boe Joint Technology Co., Ltd.
发明人： WU, Zhongyuan , LI, Yongqian , YUAN, Can , YUAN, Zhidong , LI, Meng , ZHANG, Dacheng , LIU, Lang
IPC分类号： G09G3/3291
摘要： A display substrate, a manufacturing method thereof and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate, and the sub-pixels are in an array in a first direction and a second direction. At least one sub-pixel includes a first transistor, a second transistor, a third transistor, and a storage capacitor; the second capacitor electrode and the first electrode of the second transistor are in a same layer and made of a same material, and are insulated from each other. The display substrate further includes an extension portion protruding from the gate electrode of the first transistor, and the extension portion is extended from the gate electrode of the first transistor in the second direction; the extension portion is at least partially overlapped with the first electrode of the second transistor in a direction perpendicular to the base substrate and is electrically connected with the first electrode of the second transistor; in the first direction, the gate electrode of the first transistor has a first side closest to the second capacitor electrode, the extension portion has a second side closest to the second capacitor electrode, and the second side is recessed in a direction away from the second capacitor electrode. The display substrate can effectively improve the display effect.

6. 发明公开

EP4050673A1 DISPLAY PANEL AND MANUFACTURING METHOD THEREFOR, AND DISPLAY DEVICE 审中-实审
公开(公告)号：EP4050673A1
公开(公告)日：2022-08-31
申请号：EP19945467.9
申请日：2019-10-21
申请人： BOE Technology Group Co., Ltd.
发明人： GAO, Xinwei , MA, Kaihong , ZHANG, Dacheng , LIU, Lang , XU, Chen
IPC分类号： H01L51/52 , G02F1/1335
摘要： A display panel and a manufacture method thereof, and a display apparatus are provided. The display panel has a display region and a border region surrounding the display region, the border region includes a peripheral circuit region and a peripheral region, and the peripheral circuit region is between the display region and the peripheral region; and the display panel includes: a base substrate, a barrier structure, a peripheral circuit, an encapsulation substrate, and an encapsulation sealant. At least a part of the barrier structure is in the peripheral circuit region on the base substrate, and the barrier structure includes: an organic barrier layer and an inorganic barrier layer. The organic barrier layer includes an opening passing through the organic barrier layer, an extension direction of the opening is substantially same as an extension direction of an edge, close to the opening, of the display panel, in the display panel; and the inorganic barrier layer covers the organic barrier layer and fills the opening; the peripheral circuit is on the base substrate and in the peripheral circuit region; the encapsulation substrate is on a side of the barrier structure away from the base substrate; and the encapsulation sealant is filled between the base substrate and the encapsulation substrate, and covers the display region and the peripheral circuit region.

7. 发明公开

EP4024468A1 DISPLAY SUBSTRATE, MANUFACTURING METHOD THEREFOR, AND DISPLAY DEVICE 审中-公开
公开(公告)号：EP4024468A1
公开(公告)日：2022-07-06
申请号：EP19933241.2
申请日：2019-08-27
申请人： BOE Technology Group Co., Ltd.
发明人： LI, Yunlong , LU, Pengcheng , LIU, Li , AO, Yu , TIAN, Yuanlan , ZHU, Zhijian , ZHANG, Dacheng
IPC分类号： H01L27/32 , H01L27/12
摘要： A display substrate and a manufacturing method and a display device are provided. The display substrate includes: a first electrode pattern, a connecting electrode pattern, a second electrode, a light-emitting functional layer and a first dummy electrode pattern. The first electrode pattern is located in a display region of the display substrate and includes a plurality of first electrodes spaced apart from each other, each of the plurality of first electrodes is configured to receive a pixel driving signal. The connecting electrode pattern is located in a peripheral region of the display substrate. The second electrode is located in the display region and the peripheral region and is connected with the connecting electrode pattern, the second electrode and the first electrode pattern are spaced apart from each other, and the second electrode is configured to receive a first power signal. The light-emitting functional layer is located between the first electrode pattern and the second electrode. The first dummy electrode pattern includes a plurality of first dummy electrodes; the connecting electrode pattern surrounds the first electrode pattern, the first dummy electrode pattern is located between the connecting electrode pattern and the first electrode pattern, and at least two of the plurality of first dummy electrodes are each of a block shape and are spaced apart from each other.

8. 发明公开

EP4270481A1 DISPLAY SUBSTRATE AND PREPARATION METHOD THEREFOR, AND DISPLAY APPARATUS 审中-实审
公开(公告)号：EP4270481A1
公开(公告)日：2023-11-01
申请号：EP22836766.0
申请日：2022-06-28
申请人： BOE Technology Group Co., Ltd. , Beijing BOE Technology Development Co., Ltd.
发明人： XU, Jingjing , LI, Pan , ZHANG, Dacheng
IPC分类号： H01L27/142 , H01L21/02
摘要： A display substrate, a preparation method thereof, and a display apparatus, the display substrate includes a base substrate; a drive circuit layer provided on the base substrate; a light-emitting structure layer provided on a side of the drive circuit layer away from the base substrate, the light-emitting structure layer includes a pixel defining layer and an organic light-emitting layer, the pixel defining layer defines multiple sub-pixel regions and includes a first opening at least partially exposing the drive circuit layer, the organic light-emitting layer is located in the sub-pixel region and is overlapped with the first opening of the pixel defining layer; and a color film structure layer provided on a side of the light-emitting structure layer away from the base substrate, the color film structure layer includes a color film and a black matrix, the black matrix includes a second opening at least partially exposing the first opening, the color film provided in the second opening, the black matrix includes a first sub-side, and the first sub-side includes a fold line structure.

9. 发明公开

EP4141944A1 DISPLAY DEVICE, AND DISPLAY PANEL AND FABRICATING METHOD THEREFOR 审中-实审
公开(公告)号：EP4141944A1
公开(公告)日：2023-03-01
申请号：EP21726546.1
申请日：2021-04-21
申请人： BOE Technology Group Co., Ltd.
发明人： HUANG, Kuanta , LEE, Yuhao , ZHANG, Dacheng , TONG, Hui , SHEN, Xiaobin , LI, Shipeng , YANG, Chao , LI, Dongsheng
IPC分类号： H01L27/32 , H01L51/52 , H01L51/56
摘要： A display device, a display panel, and a manufacturing method thereof are proposed. The display panel includes a substrate (1), a first insulation layer (2), a first electrode layer (3), a pixel definition layer (4), a light-emitting function layer (5) and a second electrode (6). The first insulation layer (2) is provided on a side of the substrate (1). The first insulation layer (2) comprises a plurality of pixel regions (202) distributed in an array and a seperation region (201) separating the pixel regions (202). The first electrode layer (3) is arranged on the surface of the first insulation layer (2) away from the substrate (1), and includes a plurality of first electrodes (31). The orthographic projection of each first electrode (31) on the first insulation layer (2) is located within a respective pixel region (202). The pixel definition layer (4) is arranged on the surface of the first insulation layer (2) away from the substrate (1), and exposes each first electrode (31). The pixel definition layer (4) is formed with a pixel definition groove (41) in the area corresponding to the seperation region (201), and the middle part of the pixel definition groove (41) has a first protrusion (42) protruding in a direction away from the substrate (1). A sub-groove (40) is formed between the sidewall of the first protrusion (42) and the sidewall of the pixel definition groove (41). The light-emitting functional layer (5) covers the pixel definition layer (4) and the first electrodes (31) and the first insulation layer (2) exposed by the pixel definition layer (4). The second electrode (6) covers the light-emitting functional layer (5).

10. 发明公开

EP4071841A1 DISPLAY PANEL AND MANUFACTURING METHOD THEREFOR, AND DISPLAY DEVICE 审中-实审
公开(公告)号：EP4071841A1
公开(公告)日：2022-10-12
申请号：EP20940352.6
申请日：2020-06-12
申请人： BOE Technology Group Co., Ltd. , Hefei Xinsheng Optoelectronics Technology Co., Ltd.
发明人： GAO, Xinwei , ZHANG, Dacheng , LIU, Lang , XU, Chen
IPC分类号： H01L51/52 , H01L27/32
摘要： A display panel and a manufacturing method therefor, and a display device. The display panel comprises an array substrate, a packaging cover plate, and a sealant. The array substrate comprises a display region and a non-display region at least partially surrounding the display region. The display region comprises a plurality of pixels arranged in an array, each pixel comprises a plurality of sub-pixels, and each sub-pixel comprises a light emitting component. The packaging cover plate is disposed opposite to the array substrate, and comprises a first substrate and a plurality of organic layers. The plurality of organic layers are located on the side of the first substrate close to the array substrate. The sealant is located in the non-display region and located between the array substrate and the packaging cover plate to bond the array substrate and the packaging cover plate together. There is a spacer region between the organic layer closest to the sealant in the direction from the display region to the sealant among the plurality of organic layers and the sealant. The organic layer closest to the sealant is separated from the sealant by the spacer region, and the spacer region is located in the non-display region.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式