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1. 发明公开

US20240155881A1 DISPLAY SUBSTRATE AND DISPLAY DEVICE 审中-公开
公开(公告)号：US20240155881A1
公开(公告)日：2024-05-09
申请号：US18549800
申请日：2022-10-19
申请人： BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD. , BOE TECHNOLOGY GROUP CO., LTD.
发明人： Xu LIU , Hongli WANG , Yong QIAO , Xinyin WU
IPC分类号： H10K59/123 , H10K59/124 , H10K59/126 , H10K59/131 , H10K59/40
CPC分类号： H10K59/123 , H10K59/124 , H10K59/126 , H10K59/131 , H10K59/40
摘要： A display substrate (20) and a display device (40). The display substrate (20) comprises a base substrate (100), and a first insulating layer (301), a first conductive layer (201), a second insulating layer (302) and a second conductive layer (202) that are stacked in sequence. The first insulating layer (301) comprises a first recessed structure (G1). The first conductive layer (201) comprises a first conductive structure (21), and the first conductive structure (21) comprises a bottom surface (21a) close to the base substrate (100), a top surface (21b) away from the base substrate (100), and a first side surface (21c) located between the bottom surface (21a) and the top surface (21b). The second insulating layer (302) comprises a first via hole (V1), the second conductive layer (202) comprises a second conductive structure (22), and the orthographic projection of the first via hole (V1) on the base substrate (100) at least partially overlaps with the orthographic projection of the first recessed structure (G1) on the base substrate (100). The first via hole (V1) exposes at least part of the first side surface (21c) of the first conductive structure (21), the second conductive structure (22) is in contact with at least part of the first side surface (21c) of the first conductive structure (21), the first side surface (21c) of the first conductive structure (21) comprises a protruding curved surface (21d), and the second conductive structure (22) covers at least part of the protruding curved surface (21d). The first conductive structure (21) comprises a connecting portion (21f) located in the first recessed structure (G1) and connected to the protruding curved surface (21d). In a direction parallel to the board surface of the base substrate (100), the protruding curved surface (21d) protrudes towards the middle of the first recessed structure (G1) with respect to the connecting portion (21f). The display substrate (20) can effectively improve the display performance.

2. 发明公开

US20240112623A1 DISPLAY SUBSTRATE, AND DISPLAY DEVICE 审中-公开
公开(公告)号：US20240112623A1
公开(公告)日：2024-04-04
申请号：US18275012
申请日：2022-07-08
申请人： Beijing BOE Technology Development Co., Ltd. , BOE Technology Group Co., Ltd.
发明人： Miao LIU , Xueguang HAO , Jingbo XU , Xing YAO , Jingquan WANG , Xinyin WU , Xinguo LI , Zhichong WANG
IPC分类号： G09G3/32
CPC分类号： G09G3/32 , G09G2300/0408 , G09G2300/0426 , G09G2300/0809 , G09G2310/0267
摘要： A display substrate, comprising a base substrate and a scan drive control circuit which is disposed in a non-display area of the base substrate. The scan drive control circuit comprises an input circuit, an output control circuit, and an output circuit. The output control circuit is connected to the input circuit and the output circuit. The output control circuit comprises a first node control capacitor and a second node control capacitor. The length of the first node control capacitor in a first direction LC1k, the length of the second node control capacitor in the first direction LC2k and the length of the scan drive control circuit in the first direction LY satisfy the following formula:

L

C
⁢
1
⁢
k

L
Y

3. 发明申请

US20220115461A1 Display Substrate and Display Device 有权
公开(公告)号：US20220115461A1
公开(公告)日：2022-04-14
申请号：US17265815
申请日：2020-07-15
申请人： Beijing BOE Technology Development Co., Ltd. , BOE Technology Group Co., Ltd.
发明人： Chen XU , Xueguang HAO , Yong QIAO , Xinyin WU
IPC分类号： H01L27/32
摘要： There is provided a display substrate and a display device. The display substrate includes a first metal layer, a first insulating layer, a metal oxide layer, a second insulating layer and a second metal layer which are stacked; wherein the metal oxide layer comprises a first pattern, a second pattern and a capacitance pattern, the first metal layer comprises a first electrode plate, there is at least a first overlapping region between the first electrode plate and the capacitance pattern to form a first storage capacitor, the second metal layer comprises a second electrode plate, there is at least a second overlapping region between the second electrode plate on the base substrate and the capacitance pattern to form a second storage capacitor, and the first electrode plate and the second electrode plate have same potential.

4. 发明申请

US20210193025A1 DISPLAY DEVICE 有权
公开(公告)号：US20210193025A1
公开(公告)日：2021-06-24
申请号：US16909204
申请日：2020-06-23
申请人： Beijing BOE Technology Development Co., Ltd. , BOE Technology Group Co., Ltd.
发明人： Chen XU , Xueguang HAO , Yong QIAO , Xinyin WU
IPC分类号： G09G3/32
摘要： Disclosed is a display device, including a plurality of pixel circuits located in a display area, and a light-emitting driving circuit located in a non-display area and electrically connected to the plurality of pixel circuits; the light-emitting driving circuit includes a plurality of cascaded shift registers; except a last stage of shift register, a signal output terminal of each stage of remaining shift registers is electrically connected to an input signal terminal of a next stage of shift register adjacent thereto; each of the plurality of cascaded shift registers includes: an input circuit, a first node potential control circuit, a second node potential control circuit, a first isolation circuit, a second isolation circuit, a first output control circuit, a second output control circuit, a capacitor circuit, a first output circuit and a second output circuit.

5. 发明公开

US20240371329A1 DISPLAY SUBSTRATE AND DISPLAY DEVICE 审中-公开
公开(公告)号：US20240371329A1
公开(公告)日：2024-11-07
申请号：US18572742
申请日：2023-05-31
申请人： Beijing BOE Technology Development Co., Ltd. , BOE TECHNOLOGY GROUP CO., LTD.
发明人： Miao LIU , Xueguang HAO , Libin LIU , Teng CHEN , Xinyin WU , Yong QIAO , Xing YAO , Jingquan WANG
IPC分类号： G09G3/3266 , G09G3/20 , G09G3/3233 , G11C19/28 , H10K59/121 , H10K59/126
CPC分类号： G09G3/3266 , G09G3/2092 , G09G3/3233 , G11C19/28 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/0286 , G09G2310/08 , G09G2320/045 , G09G2330/02 , H10K59/1213 , H10K59/1216 , H10K59/126
摘要： The display substrate includes a shift register arranged on a base substrate, and the shift register includes a plurality of stages of driving circuits; a plurality of stages of the driving circuit are provided in the driving circuit area of the base substrate; a stage of driving circuit area includes a first area and a second area, and the first area is provided with a first type of transistor included in the driving circuit, a second type of transistor included in the driving circuit is provided in the second area; one side of the first area is a side of the power line away from the second area, and the other side of the first area is a side close to the second area of an active layer of the first type of transistor close to the second area.

6. 发明公开

US20240371316A1 DISPLAY SUBSTRATE, AND DISPLAY DEVICE 审中-公开
公开(公告)号：US20240371316A1
公开(公告)日：2024-11-07
申请号：US18777590
申请日：2024-07-19
申请人： Beijing BOE Technology Development Co., Ltd. , BOE Technology Group Co., Ltd.
发明人： Miao LIU , Xueguang HAO , Jingbo XU , Xing YAO , Jingquan WANG , Xinyin WU , Xinguo LI , Zhichong WANG
IPC分类号： G09G3/32 , G09G3/3208 , G09G3/3266
CPC分类号： G09G3/32 , G09G3/3266 , G09G3/3208 , G09G2300/0408 , G09G2300/0426 , G09G2300/0809 , G09G2310/0267 , G09G2310/0286 , G09G2320/0223
摘要： A display substrate, including a scan drive control circuit including an input circuit, an output control circuit, and an output circuit; the input circuit is configured to transmit a signal of the signal input terminal to the output control circuit and a signal of the first clock signal terminal or the first voltage terminal to the output control circuit; the output control circuit is configured to store a signal of the first signal terminal, and transmit a signal of the second signal terminal to the first node; or, the output control circuit is configured to store a signal of the second clock signal terminal, and transmit a signal of the second voltage terminal to the first node; the output circuit is configured to output a signal of the first voltage terminal to the signal output terminal, or output the signal of the second voltage terminal to the signal output terminal.

7. 发明公开

US20240220047A1 DISPLAY PANEL AND DISPLAY APPARATUS 审中-公开
公开(公告)号：US20240220047A1
公开(公告)日：2024-07-04
申请号：US18603664
申请日：2024-03-13
申请人： BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD. , BOE TECHNOLOGY GROUP CO., LTD.
发明人： Chunyan LI , Jingquan WANG , Xueguang HAO , Xinyin WU , Xinguo LI
IPC分类号： G06F3/041
CPC分类号： G06F3/04164 , G06F3/0412
摘要： A display panel and a display device are provided, the display panel includes a base substrate and a touch wire including a first sub-portion and a second sub-portion, a main surface of the base substrate is a first surface; the second sub-portion includes a first height portion and a second height portion, a height of the first height portion relative to the first surface is smaller than a height of the second height portion relative to the first surface, line widths of respective positions of the first height portion are inversely proportional to heights of the respective positions of the first height portion relative to the first surface, and line widths of respective positions of at least part of the second height portion are proportional to heights of the respective positions of the at least part of the second height portion relative to the first surface.

8. 发明申请

US20220037448A1 DISPLAY SUBSTRATE AND MANUFACTURING METHOD THEREOF, DISPLAY DEVICE 有权
公开(公告)号：US20220037448A1
公开(公告)日：2022-02-03
申请号：US17276282
申请日：2020-07-31
申请人： Beijing BOE Technology Development Co., Ltd. , BOE TECHNOLOGY GROUP CO., LTD.
发明人： Yongda MA , Xueguang HAO , Yong QIAO , Xinyin WU
IPC分类号： H01L27/32 , G09G3/3275
摘要： The present disclosure provides a display substrate and a manufacturing method thereof, and a display device. The display substrate includes a plurality of pixel regions, each of the pixel regions including a display region provided with a pixel electrode and a driving region provided with a pixel circuit. The pixel circuit includes at least one pixel transistor having a first electrode and a second electrode which are coupled to an active layer of the at least one pixel transistor through connection vias, respectively. The driving region is further provided with a first plate of a storage capacitor, the first plate is insulated from and overlapped with the first electrode and the second electrode of the pixel transistor in a direction perpendicular to the display substrate, and the first plate is provided with openings at positions corresponding to at least some of the connection vias.

9. 发明申请

US20210366379A1 DISPLAY SUBSTRATE AND DISPLAY DEVICE 有权
公开(公告)号：US20210366379A1
公开(公告)日：2021-11-25
申请号：US17255502
申请日：2019-12-13
申请人： BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD. , BOE TECHNOLOGY GROUP CO., LTD.
发明人： Chen XU , Xueguang HAO , Yong QIAO , Xinyin WU
IPC分类号： G09G3/3225 , G09G3/3266 , H01L27/32
摘要： The present disclosure provides a display substrate, in which power lines and compensation detection lines are alternately arranged at intervals, and two columns of pixel driving circuits extending along a second direction are arranged between any one of the power lines and one adjacent compensation detection line; and for any one of a plurality of pixel driving circuits, a power input terminal of the pixel driving circuit is electrically connected to the power line closest to the pixel driving circuit, and a compensation detection signal terminal of the pixel driving circuit is electrically connected to the compensation detection line closest to the pixel driving circuit. The present disclosure further provides a display device.

10. 发明申请

US20210231860A1 LIGHT GUIDE PLATE, BACKLIGHT MODULE AND DISPLAY DEVICE 有权
公开(公告)号：US20210231860A1
公开(公告)日：2021-07-29
申请号：US16649167
申请日：2019-09-25
申请人： Beijing BOE Technology Development Co., Ltd. , BOE Technology Group Co., Ltd.
发明人： Yongda MA , Xinyin WU , Yong QIAO , Jianbo XIAN , Pan LI
IPC分类号： F21V8/00
摘要： A light guide plate, a backlight module and a display device. The light guide plate includes: a light guide plate substrate, prisms and lattice points, the light guide plate substrate includes: a light emitting surface and a lattice surface opposite to light emitting surface; the prisms are located on light emitting surface of the light guide plate substrate; the lattice points are located on the lattice surface of the light guide plate substrate; and orthographic projections of the lattice points on light emitting surface of the light guide plate substrate and orthographic projections of the prisms on the light emitting surface of the light guide plate substrate are overlapped; the maximum widths of the lattice points are less than 1.5 times spans of the prisms; and the spans are equal to lengths of bottom edges of sides, close to the light guide plate substrate, of main sections of the prisms.

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