公开(公告)号：US12080726B2

公开(公告)日：2024-09-03

申请号：US17265742

申请日：2020-04-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueyan Tian ,  Jianchao Zhu ,  Libin Liu ,  Liangjian Li ,  Caiyu Qu ,  Dengyun Chen ,  Ximeng Li

IPC: H01L27/12 ,  H01L27/02 ,  H10K59/131

CPC classification number: H01L27/1259 ,  H01L27/0292 ,  H01L27/124 ,  H10K59/131

Abstract: A glossy display panel, a manufacturing method thereof and a display device are provided. The glossy display panel includes a display area and a non-display area; wherein the non-display area includes a binding area, and the glossy display panel includes a first conductive pattern located on a base substrate and located in the binding area; a first insulating layer covering the first conductive pattern, wherein the first insulating layer is provided with a first via hole, and an orthographic projection of the first via hole onto the base substrate is located within an orthographic projection of the first conductive pattern onto the base substrate; a glossy reflection layer, wherein an orthographic projection of the glossy reflection layer onto the base substrate does not overlap with an orthographic projection of the binding area onto the base substrate; and a chip on film.

公开(公告)号：US12002425B2

公开(公告)日：2024-06-04

申请号：US18038690

申请日：2020-11-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Lujiang Huangfu ,  Li Wang ,  Jianchao Zhu ,  Libin Liu

IPC: G09G3/3233 ,  G09G3/3291

CPC classification number: G09G3/3233 ,  G09G3/3291 ,  G09G2300/0852 ,  G09G2310/061 ,  G09G2320/0247 ,  G09G2330/021

Abstract: Provided are a pixel circuit and a driving method therefor, and a display apparatus. The pixel circuit includes a drive transistor, a reset circuit, a data writing circuit, a storage capacitor circuit, a threshold value compensation circuit, a conduction control circuit, a light-emitting control circuit, and a light-emitting device; the conduction control circuit is configured to: conduct the threshold value compensation circuit with the gate of the drive transistor, and conduct the reset circuit with the gate of the drive transistor at the reset stage, the threshold value detecting stage and the data writing stage; and cut off a conducting state of the threshold value compensation circuit with the gate of the drive transistor, and cut off a conducting state of the reset circuit with the gate of the drive transistor at the driving stage; where the conduction control circuit includes an oxide semiconductor thin film transistor.

公开(公告)号：US20240177660A1

公开(公告)日：2024-05-30

申请号：US17789174

申请日：2021-09-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Lujiang Huangfu ,  Li Wang ,  Jianchao Zhu ,  Libin Liu ,  Yu Feng

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2320/0247

Abstract: A pixel driving circuit is provided. The pixel driving circuit includes a storage capacitor (Cst) having a first capacitor electrode (Ce1) and a second capacitor electrode (Ce2); a driving transistor (Td) configured to generate a driving current; and a switch (SW) configured to control connection or disconnection between a gate electrode of the driving transistor (Td) and the first capacitor electrode (Ce1).

公开(公告)号：US11164502B2

公开(公告)日：2021-11-02

申请号：US16967186

申请日：2019-12-17

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jianchao Zhu ,  Yu Feng

IPC: G09G3/20 ,  G09G3/3233

Abstract: The present application discloses a display panel (1) and a driving method thereof, and a display device. The display panel (1) includes: a plurality of first pixel units (11) and at least one second pixel unit (12), wherein each of the first pixel units (11) and the second pixel unit (12) includes a plurality of sub-pixels; each of the sub-pixels in the first pixel unit (11) is in one sub-pixel region, and there are two of the sub-pixels in the first pixel unit (11) whose emission colors are a first color; and the plurality of sub-pixels in the second pixel unit (12) is in a plurality of sub-pixel regions arranged in an array, there are two adjacent sub-pixels in the second pixel unit (12) whose emission colors are the first color, and the two adjacent sub-pixels are in the same sub-pixel region.

公开(公告)号：US11037485B2

公开(公告)日：2021-06-15

申请号：US16083315

申请日：2018-01-05

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

Inventor： Hao Zhang ,  Jianchao Zhu

IPC: G09G3/32

Abstract: Embodiments of the present disclosure relate to a method for compensating for luminance of a display panel, a display panel, and a display device. The display panel includes a display region and a non-display region, the display region and the non-display region having a boundary therebetween, the boundary passing through a pixel region and a non-pixel region of the display panel, a portion of the non-pixel region located within the display region forming a dark region within the display region, the method includes determining the luminance of the neighboring pixel adjacent to the dark region among the display pixels of the pixel region based on an area of the dark region, so as to compensate for the luminance of the dark regions with the luminance of the neighboring pixel.

公开(公告)号：US20210082333A1

公开(公告)日：2021-03-18

申请号：US16967186

申请日：2019-12-17

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jianchao Zhu ,  Yu Feng

IPC: G09G3/20 ,  G09G3/3233

Abstract: The present application discloses a display panel (1) and a driving method thereof, and a display device. The display panel (1) includes: a plurality of first pixel units (11) and at least one second pixel unit (12), wherein each of the first pixel units (11) and the second pixel unit (12) includes a plurality of sub-pixels; each of the sub-pixels in the first pixel unit (11) is in one sub-pixel region, and there are two of the sub-pixels in the first pixel unit (11) whose emission colors are a first color; and the plurality of sub-pixels in the second pixel unit (12) is in a plurality of sub-pixel regions arranged in an array, there are two adjacent sub-pixels in the second pixel unit (12) whose emission colors are the first color, and the two adjacent sub-pixels are in the same sub-pixel region.

公开(公告)号：US10923037B2

公开(公告)日：2021-02-16

申请号：US16398762

申请日：2019-04-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jianchao Zhu ,  Libin Liu

IPC: G09G3/3266 ,  G11C19/28

Abstract: The embodiments of the present disclosure disclose a gate driving circuit. The gate driving circuit includes at least one stage of shift register unit to be compensated, wherein a driving terminal of each stage of shift register unit to be compensated is connected to a gate line of a corresponding row of pixels to be compensated, and at least one stage of parasitics compensation circuit, wherein each stage of parasitics compensation circuit is connected in series between a power supply line and a driving terminal of a corresponding shift register unit to be compensated. Each stage of parasitics compensation circuit is configured to compensate a driving terminal of a corresponding shift register unit to be compensated for parasitic capacitance and/or parasitic resistance, so that respective stages of shift register units to be compensated have the same driving load.

公开(公告)号：US10157571B2

公开(公告)日：2018-12-18

申请号：US15309475

申请日：2016-02-01

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

Inventor： Jianchao Zhu

IPC: G09G3/3266 ,  G09G3/3233 ,  G09G3/3291

Abstract: The present disclosure provides a display panel, a method for driving the same and a display device. A pixel circuit of the display panel includes a storage capacitor, a driving transistor, an initialization module configured to apply an initial voltage to a first end of the storage capacitor via a current-level gate scanning line within an initialization time period, a compensation module, a data writing module, a resetting module configured to enable the current-level gate scanning line to be electrically connected to a second end of the storage capacitor within a light-emitting time period, and a light-emitting control module. The driving transistor is in an on state within the light-emitting time period, so as to drive a light-emitting element to emit light.