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

EP4148798A1 DISPLAY PANEL AND MANUFACTURING METHOD THEREFOR, AND DISPLAY DEVICE 审中-实审
公开(公告)号：EP4148798A1
公开(公告)日：2023-03-15
申请号：EP20922490.6
申请日：2020-05-09
申请人： BOE Technology Group Co., Ltd. , Chengdu BOE Optoelectronics Technology Co., Ltd.
发明人： YANG, Huijuan , LIU, Tingliang , SHANG, Tinghua , ZHOU, Yang , YU, Pengfei , ZHANG, Yi , WANG, Junxi
IPC分类号： H01L27/32 , G02F1/1333
摘要： Provided are a display panel, a manufacturing method thereof, and a display device. The display panel includes an alignment mark region arranged within a flat region of a peripheral region of the display panel. The peripheral region is a region of the display panel other than an active area of the display panel. An alignment mark pattern is arranged within the alignment mark region, and/or at least one film layer within the alignment mark region is hollowed out.

2. 发明公开

EP4131400A1 DISPLAY SUBSTRATE AND DISPLAY DEVICE 审中-实审
公开(公告)号：EP4131400A1
公开(公告)日：2023-02-08
申请号：EP20927204.6
申请日：2020-03-25
申请人： BOE Technology Group Co., Ltd. , Chengdu BOE Optoelectronics Technology Co., Ltd.
发明人： SHANG, Tinghua , ZHANG, Yi , LIU, Tingliang , ZHANG, Shun , YANG, Huijuan , WANG, Yu
IPC分类号： H01L27/32
摘要： A display substrate and a display device. The display substrate comprises a base substrate, a second conductive layer, a second flat layer, and a plurality of light emitting element groups; the plurality of light emitting element groups are arranged in a first direction and a second direction to form a plurality of light emitting element columns and a plurality of light emitting element rows; each light emitting element group comprises a first light emitting element, a second light emitting element, a third light emitting element, and a fourth light emitting element; the first light emitting element comprises a first anode; the second light emitting element comprises a second anode; the third light emitting element comprises a third anode; the fourth light emitting element comprises a fourth anode; the second flat layer comprises first via holes, second via holes, third via holes, and fourth via holes; a plurality of third via holes corresponding to one light emitting element row are substantially located on a first straight line which extends in the first direction; and the fourth via holes closest to the first straight line are located on the side of the first straight line close to the fourth anodes. Thus, according to the display substrate, a color cast phenomenon caused by unevenness of the anodes can be avoided.

3. 发明公开

EP4131395A1 DISPLAY SUBSTRATE AND DISPLAY DEVICE 审中-实审
公开(公告)号：EP4131395A1
公开(公告)日：2023-02-08
申请号：EP20900716.0
申请日：2020-06-30
申请人： BOE Technology Group Co., Ltd. , Chengdu BOE Optoelectronics Technology Co., Ltd.
发明人： ZHANG, Hao , LIU, Tingliang , WANG, Yu , LI, Huijun , YANG, Huijuan , JIANG, Xiaofeng , ZHANG, Xin , DAI, Jie , BAI, Lu , YU, Pengfei , SHANG, Tinghua
IPC分类号： H01L27/32
摘要： A display substrate and a display device are disclosed. In the display substrate, a pixel defining layer includes a plurality of openings, the plurality of openings include a plurality of opening groups, the plurality of opening groups include a plurality of opening group rows, each of the opening groups includes a first opening and a second opening, the plurality of opening group rows includes a first opening group row and a second opening group row that are adjacent in the second direction, the spacer is located between the first opening of the first opening group row and the second opening of the second opening group row, an orthographic projection of the first opening on the base substrate includes a first long edge, and an orthographic projection of the second opening on the base substrate includes a second long edge, an orthographic projection of the spacer on the base substrate includes a third long edge, and an angle between an extension line of the third long edge and the extension line of the first long edge ranges from 20 degrees to 70 degrees, the orthographic projection of the first opening on the base substrate includes a first short edge, and the length of the third long edge is greater than a length of the first short edge. The display substrate can improve the yield of the display substrate.

4. 发明公开

EP4113496A1 ARRAY SUBSTRATE, DISPLAY PANEL AND DISPLAY DEVICE 审中-实审
公开(公告)号：EP4113496A1
公开(公告)日：2023-01-04
申请号：EP20943764.9
申请日：2020-06-30
申请人： BOE Technology Group Co., Ltd. , Chengdu BOE Optoelectronics Technology Co., Ltd.
发明人： YANG, Huijuan , LIU, Tingliang , ZHANG, Shun , YU, Pengfei , WANG, Yu , ZHANG, Hao
IPC分类号： G09G3/3233 , H01L27/32
摘要： An array substrate, a display panel and a display device. The array substrate comprises a base substrate provided with a plurality of pixels arranged in an array; each pixel comprises a plurality of sub-pixels; each sub-pixel comprises a pixel circuit; and the pixel circuit comprises a light-emitting device, a storage capacitor, a driving transistor, a data writing transistor, a data line and a first connection structure. The driving transistor and the data writing transistor each comprise an active layer, a gate electrode, a first electrode and a second electrode, and the driving transistor controls the light-emitting device to emit light; the data line is connected to the first electrode of the data writing transistor and provides a data signal to the data writing transistor; the data writing transistor writes the data signal into the gate electrode of the driving transistor in response to a first scanning signal applied to the gate electrode of the data writing transistor; and the first connection structure is connected to the gate electrode of the driving transistor and a first plate of the storage capacitor, and the first connection structure and the data line are provided on different layers.

5. 发明公开

EP4047589A1 ARRAY SUBSTRATE AND DISPLAY PANEL 审中-公开
公开(公告)号：EP4047589A1
公开(公告)日：2022-08-24
申请号：EP19945416.6
申请日：2019-10-14
申请人： BOE Technology Group Co., Ltd. , Chengdu BOE Optoelectronics Technology Co., Ltd.
发明人： YANG, Huijuan , LIU, Tingliang , LI, Gen , ZHOU, Yang
IPC分类号： G09G3/20 , G09F9/30
摘要： An array substrate and a display panel are disclosed. The array substrate includes: a base substrate (01) including a display region (AA) and a peripheral region (BB); a plurality of sub-pixels (02) in the display region (AA); a plurality of data lines (03) in the display region (AA); a plurality of first power lines (04) in the display region (AA); a plurality of data lead lines (05) in the peripheral region (BB); a plurality of selection switches (06) in the peripheral region (BB); a plurality of data signal input lines (07) in the peripheral region (BB); a first power bus (08) in the peripheral region (BB); and a plurality of connection portions (09) electrically connecting the first power bus (08) to the plurality of first power lines (04), respectively. The plurality of connection portions (09) include a plurality of first connection portions (09A) and a plurality of second connection portions (09B) on both sides of the plurality of first connection portions (09A). The above circuit arrangement is beneficial to the circuit arrangement in the corner region of the array substrate, thereby achieving narrow frame design.

6. 发明公开

EP3920226A1 DISPLAY PANEL AND FABRICATING METHOD THEREFOR, AND DISPLAY DEVICE 审中-公开
公开(公告)号：EP3920226A1
公开(公告)日：2021-12-08
申请号：EP19856440.3
申请日：2019-07-31
申请人： BOE Technology Group Co., Ltd. , Chengdu BOE Optoelectronics Technology Co., Ltd.
发明人： LIU, Tingliang , QING, Haigang , YANG, Huijuan , LONG, Yue
IPC分类号： H01L27/32
摘要： The present disclosure provides a display panel and a manufacturing method thereof, and a display device. The display panel includes a base substrate (00) and a plurality of sub-pixels disposed on the base substrate (00), the plurality of sub-pixels constitute a plurality of repeating units (100), and each of the plurality of repeating units (100) includes a sub-pixel of first color (C1), two sub-pixels of second color (C2), and a sub-pixel of third color (C3), each of the plurality of sub-pixels includes a driving transistor (M1) and a light emitting element (02) electrically connected to the driving transistor (M1), and the light emitting element (02) includes a first electrode layer (021), a light emitting layer (022), and a second electrode layer ( 023); an orthographic projection of the first electrode layer of the light emitting element in each sub-pixel of second color (C2) on the base substrate (00) at least partially overlaps with an orthographic projection of a gate electrode of the driving transistor (M1) in each sub-pixel of second color (C2) on the base substrate (00).

7. 发明公开

EP4415502A1 DISPLAY PANEL AND DISPLAY DEVICE 审中-公开
公开(公告)号：EP4415502A1
公开(公告)日：2024-08-14
申请号：EP23826532.6
申请日：2023-06-21
申请人： BOE TECHNOLOGY GROUP CO., LTD. , Chengdu BOE Optoelectronics Technology Co., Ltd.
发明人： TONG, Kemeng , YAN, Jun , HE, Fan , DONG, Xiangdan , LEE, Ansu , DU, Mengmeng , LIU, Tingliang , ZHANG, Wei , QIU, Haijun , HU, Ming , ZHAO, Yongliang , JIANG, Zhiliang , SONG, Gukhwan , WANG, Rui , XIE, Taofeng , ZHENG, Hai , ZHANG, Yi , JI, Fengli , QING, Haigang , YAN, Zhenglong
IPC分类号： H10K59/00 , G06F3/041
摘要： The present disclosure provides a display panel and a display device. The display panel comprises a display area and a non-display area located on one side of the display area, the non-display area comprising a bending area, a binding area, and a wiring area located between the bending area and the binding area. The display panel comprises: a base substrate; and a touch structure located on the base substrate, the touch structure comprising a touch lead, the touch lead being led out from the display area and extending to the binding area, the touch lead comprising a first lead located in the bending area and a second lead located in the wiring area, the first lead and the second lead being electrically connected and located on different metal layers, and the second lead using a single-layer metal wire.

8. 发明公开

EP4216200A1 DISPLAY BASE PLATE AND PREPARATION METHOD THEREFOR, AND DISPLAY APPARATUS 审中-实审
公开(公告)号：EP4216200A1
公开(公告)日：2023-07-26
申请号：EP21946510.1
申请日：2021-06-25
申请人： BOE Technology Group Co., Ltd. , Chengdu BOE Optoelectronics Technology Co., Ltd.
发明人： SHANG, Tinghua , ZHANG, Yi , LIU, Tingliang , ZHOU, Yang , YANG, Huijuan
IPC分类号： G09F9/30 , H01L27/32 , G09G3/3225
摘要： A display base plate and a preparation method therefor, and a display apparatus. The display base plate comprises a driving circuit layer arranged on a substrate, and a light-emitting structural layer arranged on the side of the driving circuit layer that is away from the substrate, wherein the driving circuit layer comprises a plurality of circuit units; the light-emitting structural layer comprises a plurality of light-emitting devices; at least one of the circuit units comprises a first power supply line, initial signal wires and a pixel driving circuit, the initial signal wires comprising a first initial signal wire extending in a first direction and a second initial signal wire extending in a second direction, and the first direction and the second direction crossing one another; and an orthographic projection of the second initial signal wire on the substrate at least partially overlaps an orthographic projection of the first power supply line on the substrate.

9. 发明公开

EP4109541A1 DISPLAY PANEL AND DISPLAY DEVICE 审中-实审
公开(公告)号：EP4109541A1
公开(公告)日：2022-12-28
申请号：EP20925683.3
申请日：2020-03-20
申请人： BOE Technology Group Co., Ltd. , Chengdu BOE Optoelectronics Technology Co., Ltd.
发明人： YANG, Huijuan , ZHANG, Kai , LIU, Tingliang , LI, Huijun , JIANG, Xiaofeng
IPC分类号： H01L27/32 , H01L51/52
摘要： The present invention relates to the field of display technologies, and provides a display panel and a display device. The display panel comprises a drive back plate (1), a first electrode layer (2), a pixel definition layer (3), a light emitting layer (4), and a second electrode layer (5). The drive back plate has a display region (100) and a peripheral region (200); the peripheral region has a peripheral drive circuit and a signal line (130); the first electrode layer comprises a first electrode (21) located in the display region and a first conductive layer (22) located in the peripheral region; orthographic projections of the first conductive layer and the peripheral drive circuit on a plane where the drive back plate is located at least partially overlap, and the signal line is connected to the first conductive layer; the pixel definition layer comprises a pixel definition region (31) located in the display region and a plurality of insulating strips (32) located in the peripheral region; a separation trough (321) where the first conductive layer is exposed is formed between at least two adjacent insulating strips, the second electrode layer comprises a second electrode (51) and a second conductive layer (52); the second conductive layer covers the insulating strips, forms a recess region(521) corresponding to a region of the separation trough, and is connected to the first conductive layer, and an encapsulation layer (6) covers the second electrode layer and fills the recess region.

10. 发明公开

EP3985735A1 DISPLAY SUBSTRATE AND DISPLAY DEVICE 审中-实审
公开(公告)号：EP3985735A1
公开(公告)日：2022-04-20
申请号：EP19932502.8
申请日：2019-06-14
申请人： BOE TECHNOLOGY GROUP CO., LTD. , Chengdu BOE Optoelectronics Technology Co., Ltd.
发明人： XIAO, Yunsheng , QING, Haigang , DONG, Xiangdan , LIU, Tingliang
IPC分类号： H01L27/32 , H01L51/52
摘要： Provided a display substrate and a display device, belonging to the technical field of display. The display substrate has an encapsulation region (A) and a periphery region (B) surrounding the encapsulation region (A); the encapsulation region (A) is in a polygonal shape; the display substrate includes a base substrate (201) and a partition structure(202); the partition structure (202) is located on a side of the base substrate (201) and within the periphery region (B), and includes a plurality of isolation dams (2021) at a side of a plurality of edges of the encapsulation region (A); the plurality of isolation dams (2021) at a same edge of the encapsulation region (A) are arranged at intervals along a direction away from the encapsulation region (A), wherein the encapsulation region (A) has a first edge (a1) and a second edge (a2); a plurality of first isolation dams (2021a) arranged at the first edge (a1) are not in connection with a plurality of second isolation dams (2021b) arranged at the second edge (a2); and a number of the second isolation dams (2021b) is greater than the number of the first isolation dams (2021a). As the partition structure (202) can block the extension of a crack, generated at a film layer in the periphery region (B), towards the film layer in the encapsulation region (A), the encapsulation reliability of the display substrate can be ensured.

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