公开(公告)号：US20230282170A1

公开(公告)日：2023-09-07

申请号：US18019987

申请日：2022-02-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guangliang Shang ,  Libin Liu ,  Li Wang ,  Yu Feng ,  Baoyun Wu

IPC: G09G3/3266 ,  G11C19/28 ,  H10K59/121

CPC classification number: G09G3/3266 ,  G11C19/28 ,  H10K59/1213 ,  H10K59/1216 ,  G09G2300/0408 ,  G09G2310/0286 ,  G09G2310/0281 ,  G09G2300/0426

Abstract: A display substrate and a display device. The display substrate includes: a base substrate; and a gate driving circuit; the gate driving circuit includes a plurality of shift register circuits; each shift register circuit includes: an input circuit, a control circuit, an output circuit, and an output noise reduction circuit; the control circuit includes a first transistor, a second transistor, and a third transistor; the control circuit is connected to the first node, a second node and a third node; at least two selected from group consisting of an active layer of the first transistor, an active layer of the second transistor, and an active layer of the third transistor extend in a first direction and are arranged in the first direction.

公开(公告)号：US11296182B2

公开(公告)日：2022-04-05

申请号：US16499697

申请日：2019-03-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hao Zhang ,  Libin Liu

IPC: H01L27/32 ,  H01L51/56

Abstract: An OLED display substrate, a manufacturing method thereof, and a display device are provided. The OLED display substrate includes a base substrate, a conductive pattern, a driving circuit layer, an anode layer, a light-emitting layer and a cathode layer. The driving circuit layer, the anode layer, the cathode layer and the light-emitting layer are arranged at a same side of the base substrate. The conductive pattern is arranged between the base substrate and the driving circuit layer and electrically connected to the cathode layer through a plurality of via holes.

公开(公告)号：US11269206B2

公开(公告)日：2022-03-08

申请号：US16768632

申请日：2019-12-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qian Yang ,  Pinfan Wang ,  Libin Liu ,  Chunyan Xie

IPC: G02F1/1333 ,  G02F1/1339 ,  H01L51/00 ,  H01L51/52

Abstract: The present disclosure relates to a flexible display substrate and a flexible display device. The flexible display substrate includes a flexible base substrate and a pixel layer. The flexible base substrate includes: a plurality of opening regions, as well as a plurality of island regions and a plurality of bridge regions divided by the plurality of opening regions; and a pixel layer including a plurality of display units arranged in the plurality of island regions respectively, in which each of the plurality of display units is provided with a first groove, the first groove divides the corresponding display units into a display section and a dam section, and at least a part of the dam section is located between the display section and the bridge region adjacent to the display section.

公开(公告)号：US20220068177A1

公开(公告)日：2022-03-03

申请号：US17414126

申请日：2020-10-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Libin Liu ,  Qian Yang

IPC: G09G3/00 ,  H01L29/786 ,  G09G3/3233

Abstract: Disclosed are a stretchable display panel, a method for compensating a threshold voltage of a transistor in the stretchable display panel, and a computer readable storage medium. The stretchable display panel includes: a base substrate; a transistor on the base substrate, the transistor includes a gate electrode layer and an active layer that are at least partially stacked; and a voltage compensation layer, the voltage compensation layer is located between the transistor and the base substrate, wherein the voltage compensation layer is applied with a compensation voltage that depends on a stretching amount of the stretchable display panel.

公开(公告)号：US11170715B2

公开(公告)日：2021-11-09

申请号：US15751267

申请日：2017-06-20

Applicant: BOE Technology Group Co., Ltd.

Inventor： Lujiang Huangfu ,  Can Zheng ,  Yunfei Li ,  Libin Liu

IPC: G09G3/3258 ,  G09G3/3291 ,  G09G3/3233 ,  G09G3/3275

Abstract: A pixel circuit, a display panel, a display device and a driving method are provided. The pixel circuit includes: a driving transistor, a first transistor, a first capacitor, the organic light-emitting diode and a switching induced error compensation circuit. The switching induced error compensation circuit is connected with a first node and/or a second node and is configured to compensate a switching induced error of the first transistor.

公开(公告)号：US11170682B2

公开(公告)日：2021-11-09

申请号：US16651816

申请日：2019-03-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guangliang Shang ,  Libin Liu ,  Can Zheng ,  Yipeng Chen ,  Xinshe Yin ,  Shiming Shi

IPC: G09G3/20 ,  G11C19/28

Abstract: Provided are a shift register and a driving method thereof, a gate driving circuit, and a display device. The shift register includes: an input circuit, configured to be coupled to an input signal end and a second clock signal end, respectively; a first transistor, where the first electrode of the first transistor is coupled to the output end of the input circuit, and the first transistor is a double-gate type transistor; the first gate of the first transistor is configured to be coupled to a first reference signal end, and the second gate of the first transistor is configured to be coupled to a first threshold control signal end; and an output circuit, configured to be coupled to a first clock signal end and a signal output end, respectively, where the control end of the output circuit is coupled to the second electrode of the first transistor.

公开(公告)号：US11081539B2

公开(公告)日：2021-08-03

申请号：US16630496

申请日：2018-12-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Libin Liu ,  Qian Yang ,  Hongli Wang ,  Lujiang Huangfu

IPC: H01L27/32 ,  G09G3/20 ,  G09G3/298 ,  G09G3/3233 ,  G09G3/3208

Abstract: A display substrate and a display device are disclosed. The display substrate (10) includes a plurality of repeating units (100), a plurality of primary signal lines (21) and an auxiliary signal line (22). Each of the repeating units (100) includes a first sub-pixel (R1), a second sub-pixel (B1) and two third sub-pixels (G1, G2). The two third sub-pixels (G1, G2) are located between two adjacent primary signal lines (21). In each of the repeating units (100), the first sub-pixel (R1) and the second sub-pixel (B1) are arranged in a first direction (X), and the two third sub-pixels (G1, G2) are arranged in a second direction (Y). The first direction (X) and the second direction (Y) are different directions. At least one auxiliary signal line (22) is disposed between the two adjacent primary signal lines (21). Two ends of the auxiliary signal line (22) are respectively connected to the two adjacent primary signal lines (21). The two third sub-pixels (G1, G2) are respectively located on two sides of the auxiliary signal line (22).

公开(公告)号：US11024230B2

公开(公告)日：2021-06-01

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：US10943957B2

公开(公告)日：2021-03-09

申请号：US16481482

申请日：2018-12-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lujiang Huangfu ,  Libin Liu ,  Yipeng Chen

IPC: H01L27/32 ,  H01L27/11 ,  H01L27/01

Abstract: A substrate and a method of manufacturing the same, and an electronic apparatus are provided. The substrate includes: a base substrate, a peripheral circuit, and a common electrode lead. The base substrate includes a working area, a non-working area located outside the working area, and an outer contour edge, the non-working area including a peripheral circuit area adjacent to the working area and a non-circuit area away from the working area; the peripheral circuit being arranged in the peripheral circuit area; the common electrode lead being arranged along at least a portion of the outer contour edge of the base substrate; the common electrode lead being arranged in the non-working area and extending along at least the portion of the outer contour edge; the peripheral circuit area being provided with the peripheral circuit, and the peripheral circuit being absent in the non-circuit area.

公开(公告)号：US10854684B2

公开(公告)日：2020-12-01

申请号：US16234777

申请日：2018-12-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lujiang Huangfu ,  Xiaodan Jin ,  Yinan Liang ,  Zhenzhen Li ,  Wenjing Tan ,  Libin Liu ,  Qian Yang ,  Hongli Wang

IPC: H01L27/32 ,  G09G3/3225 ,  G09G3/3233 ,  H01L51/52

Abstract: A pixel arrangement structure, including a plurality of repeating units, wherein each of the plurality of repeating units includes one first sub-pixel, one second sub-pixel, and two third sub-pixels; in each of the plurality of repeating units, the two third sub-pixels are arranged in one of a first direction and a second direction, and the first sub-pixel and the second sub-pixel are arranged in the other one of the first direction and the second direction; the plurality of repeating units are arranged in the first direction to form a plurality of repeating unit groups, the plurality of repeating unit groups are arranged in the second direction; and the first direction and the second direction are different directions.