公开(公告)号：US20210264859A1

公开(公告)日：2021-08-26

申请号：US17319243

申请日：2021-05-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Libin LIU ,  Yu FENG ,  Ming Che HSIEH

IPC: G09G3/3258 ,  G09G3/3291

Abstract: A display screen, a display device, a display circuit used for the display screen and a brightness compensation method therefor. The display screen (10) includes a normal display area (11) and a transparent display area (12). The display circuit (20) includes: a first pixel circuit (21), wherein the first pixel circuit is arranged at the normal display area; and a second pixel circuit (22), wherein the second pixel circuit is arranged at the transparent display area. The structure of the first pixel circuit is different from that of the second pixel circuit, so that the light transmittance of the transparent display area is higher than the light transmittance of the normal display area.

公开(公告)号：US20250089489A1

公开(公告)日：2025-03-13

申请号：US18290438

申请日：2022-06-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yu FENG ,  Libin LIU ,  Li WANG ,  Jianchao ZHU ,  Shiming SHI ,  Jingquan WANG

IPC: H10K59/131 ,  G09G3/3233 ,  H10K59/121

Abstract: A display panel and a display device are provided. The display panel includes a base substrate and a pixel driving circuit provided on a side of the base substrate, and the pixel driving circuit includes a driving transistor, ninth transistor, eighth transistor, first transistor and second transistor. A first electrode of the ninth transistor is connected to a third initial signal line and a second electrode of the ninth transistor is connected to a first electrode of the driving transistor. A first electrode of the eighth transistor is connected to a gate electrode of the driving transistor. A first electrode of the first transistor is connected to a first initial signal line and a second electrode of the first transistor is connected to a second electrode of the eighth transistor. A first electrode of the second transistor is connected to the second electrode of the eighth transistor and a second electrode of the second transistor is connected to a second electrode of the driving transistor.

公开(公告)号：US20240423046A1

公开(公告)日：2024-12-19

申请号：US18818535

申请日：2024-08-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangnan LU ,  Guangliang SHANG ,  Can ZHENG ,  Yu FENG ,  Libin LIU ,  Jie ZHANG ,  Mei LI

IPC: H10K59/131 ,  G09G3/3208 ,  H10K59/121

Abstract: Provided is a display substrate, the display substrate is provided with a display area and a peripheral area around the display area, and includes a source/drain layer and an anode layer, wherein in the peripheral area, the source/drain layer includes pairs of first signal lines configured to drive circuits, and the pairs of first signal lines include clock signal lines and gate drive lines; and the anode layer includes a common power line provided with vent holes; and overlapping areas between two first signal lines in any pair of the first signal lines and a projection pattern of the vent hole are equal, the projection pattern of the vent hole being a pattern of an orthographic projection of the vent hole in the common power line onto the source/drain layer. A display panel and a display device are also provided.

公开(公告)号：US20230021618A1

公开(公告)日：2023-01-26

申请号：US17953941

申请日：2022-09-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangnan LU ,  Guangliang SHANG ,  Can ZHENG ,  Yu FENG ,  Libin LIU ,  Jie ZHANG ,  Mei LI

IPC: H01L27/32

Abstract: Provided is a display substrate, the display substrate is provided with a display area and a peripheral area around the display area, and includes: a source/drain layer, a planarization layer and an anode layer which are laminated in sequence, wherein in the peripheral area, the source/drain layer includes at least one pair of first signal lines including a signal line of a gate circuit and the anode layer includes a common power line provided with vent holes; and overlapping areas between two first signal lines in any pair of the first signal lines and a projection pattern of the vent hole are equal, the projection pattern of the vent hole being a pattern of an orthographic projection of the vent hole in the common power line onto the source/drain layer. A display panel and a display device are also provided.

公开(公告)号：US20220149138A1

公开(公告)日：2022-05-12

申请号：US17427076

申请日：2020-11-13

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangnan LU ,  Guangliang SHANG ,  Can ZHENG ,  Yu FENG ,  Libin LIU ,  Jie ZHANG ,  Mei LI

IPC: H01L27/32

Abstract: An organic light-emitting diode display substrate, a display panel and a display device. The display substrate includes a source/drain layer (101), a planarization layer (102) and an anode layer (103) which are laminated in sequence; the source/drain layer (101) comprises at least one pair of first signal lines (110); the anode layer (103) comprises a common power line (130), and the common power line (130) is provided with an air discharge hole (131); and the overlapping areas of a projection pattern of the air discharge hole (131) and two first signal lines (110) in any pair of first signal lines (110) are equal, the overlapping areas are greater than 0, and the projection pattern of the air discharge hole (131) is a pattern of an orthographic projection, on the source/drain layer (101), of the air discharge hole (131) on the common power line (130). The overlapping areas of the common power line (130) and the two first signal lines (110) in the pair of first signal lines (110) are equal, so that the parasitic capacitances between the common power line (130) and the two first signal lines (110) in the pair of first signal lines (110) are the same in magnitude, and so that signals transmitted by the pair of first signal lines (110) match each other, ensuring the uniformity of a display screen.

公开(公告)号：US20210151483A1

公开(公告)日：2021-05-20

申请号：US16834492

申请日：2020-03-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yu FENG ,  Libin Liu

IPC: H01L27/146 ,  G06F1/16

Abstract: Disclosed are a display panel and a display device. The display panel includes a base substrate, and a first display region and a second display region that are located on the base substrate, where the first display region includes a plurality of first sub-pixels and a plurality of transparent regions, the second display region includes a plurality of second sub-pixels, and a distribution density of the first sub-pixels is smaller that of the second sub-pixels; and an area occupied by the first sub-pixels is smaller than that occupied by the second sub-pixels.

公开(公告)号：US20200098318A1

公开(公告)日：2020-03-26

申请号：US16619296

申请日：2018-12-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Libin LIU ,  Yu FENG ,  Ming Che HSIEH

IPC: G09G3/3258 ,  G09G3/3291

Abstract: A display screen, a display device, a display circuit used for the display screen and a brightness compensation method therefor. The display screen (10) includes a normal display area (11) and a transparent display area (12). The display circuit (20) includes: a first pixel circuit (21), wherein the first pixel circuit is arranged at the normal display area; and a second pixel circuit (22), wherein the second pixel circuit is arranged at the transparent display area. The structure of the first pixel circuit is different from that of the second pixel circuit, so that the light transmittance of the transparent display area is higher than the light transmittance of the normal display area.

公开(公告)号：US20200027940A1

公开(公告)日：2020-01-23

申请号：US16512902

申请日：2019-07-16

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pinfan WANG ,  Weixin MA ,  Mingche HSIEH ,  Fangxu CAO ,  Xixi GUO ,  Yu FENG

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/00 ,  H01L51/56

Abstract: Provided are a display panel, a method for manufacturing the same, and a display device. The display panel includes: flexible substrate; multiple thin film transistor structures arranged in an array and on the flexible substrate; and an organic layer located on the multiple thin film transistor structures. Through holes are arranged between adjacent thin film transistor structures, each through hole penetrates the organic layer and the flexible substrate, and the organic layer covers a first surface of at least one thin film transistor structure far away from the flexible substrate, and side surfaces of the at least one thin film transistor structure proximate to the corresponding through holes.

公开(公告)号：US20170200418A1

公开(公告)日：2017-07-13

申请号：US15320613

申请日：2016-02-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.

Inventor： Yi ZHANG ,  Yu FENG ,  Jianchao ZHU

IPC: G09G3/3266 ,  G11C19/28 ,  G09G3/325

CPC classification number: G09G3/3266 ,  G09G3/325 ,  G09G2300/0809 ,  G09G2310/0286 ,  G11C19/28 ,  G11C19/287

Abstract: There are provided a shift register, a gate driving circuit and a relevant display device, comprising a first node controlling module (1), a second node controlling module (2), a third node controlling module (3), a first outputting module (4) and a second outputting module (5). The first node controlling module (1) adjust a potential of a first node (A), the second node controlling module (2) adjust a potential of a second node (B), the third node controlling module (3) adjust a potential of a third node (C), the first outputting module (4) adjust a potential of a driving signal output terminal (Output), and the second outputting module (5) adjusts the potential of the driving signal output terminal (Output). Through mutual coordination of the five modules, the shift register could control a time length of a scanning signal outputted by the driving signal output terminal (Output) by only changing a time length of an input signal (Input), without changing clock signals (CK,CB) and changing the circuit and process, so that difficulty of the gate driving circuit and complexity of process could be reduced, thereby the cost is reduced.

公开(公告)号：US20250087150A1

公开(公告)日：2025-03-13

申请号：US18557841

申请日：2023-02-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lujiang HUANGFU ,  Tuo SUN ,  Jianchao ZHU ,  Li WANG ,  Yu FENG

IPC: G09G3/3233

Abstract: A pixel circuit, a pixel driving method, and a display device. The pixel circuit includes a light-emitting element, a driving circuit, a compensation control circuit, a light-emitting control circuit and a discharging circuit; the compensation control circuit controls connection or disconnection between the first node and the driving node under the control of the compensation control signal; the light-emitting control circuit controls connection or disconnection between the driving node and the first electrode of the light-emitting element under control of the light-emitting control signal; the discharging circuit is used for generating a discharging current; in a compensation phase, the discharging current terminal is connected to the driving node, and in a light-emitting phase, the discharging current terminal is connected to the driving node and the first electrode of the light-emitting element, and the discharging current terminal is not directly electrically connected to the first electrode of the light-emitting element.