公开(公告)号：US12277910B2

公开(公告)日：2025-04-15

申请号：US17781133

申请日：2021-05-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guangliang Shang ,  Libin Liu ,  Jiangnan Lu ,  Yu Feng ,  Xinshe Yin ,  Shiming Shi

IPC: G11C19/00 ,  G09G3/3266 ,  G09G3/36 ,  G11C19/28 ,  H10K59/121 ,  G09G3/20

Abstract: A shift register unit and a driving method thereof, a gate drive circuit, and a display device are disclosed. The shift register unit includes: an input circuit, a first control circuit, an output circuit, an output noise reduction circuit, and a reset circuit; wherein the input circuit is connected to an input terminal; the first control circuit is connected to the first node, a second node, and a first clock signal terminal; the output circuit is connected to an output terminal; the output noise reduction circuit is connected to the output terminal; and the reset circuit is connected to a total reset terminal and a first voltage terminal, wherein the total reset signal is an invalid level in a first operation stage, and the total reset signal includes at least one period of valid level in a second operation stage.

公开(公告)号：US12272314B2

公开(公告)日：2025-04-08

申请号：US17771016

申请日：2021-05-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Long Han ,  Guangliang Shang ,  Libin Liu

IPC: G09G3/3266 ,  G11C19/28

Abstract: Disclosed is a display substrate including a display region and a non-display region. The non-display region is provided with a gate drive circuit, the gate drive circuit includes a plurality of cascaded shift register units, and a shift register unit is connected with at least one power supply line. The shift register unit includes a first output circuit and a second output circuit. The first output circuit is connected with a first group of clock signal lines, and the second output circuit is connected with the first group of clock signal lines and a second group of clock signal lines. In a first direction, the first group of clock signal lines and the at least one power supply line are located between the first output circuit and the second output circuit.

公开(公告)号：US12254157B2

公开(公告)日：2025-03-18

申请号：US18274204

申请日：2022-07-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Mengyang Wen ,  Jianchao Zhu ,  Guangliang Shang ,  Xinbin Han ,  Ziyang Yu ,  Pan Zhao

IPC: G06F3/044

Abstract: A touch display panel and an electronic product. The touch display panel includes a display substrate, a first conductive layer, a touch insulation layer, a second electrode layer, and a shielding conductive pattern; the display substrate includes a signal line, a first electrode layer and a second electrode layer; the first conductive layer includes a touch conductive structure, which includes touch electrodes, the first electrode layer includes first electrodes, and the second electrode layer includes a plurality of second electrodes; an orthographic projection of the shielding conductive pattern on the base substrate overlaps with that of the signal line and that of at least one of the plurality of touch electrodes respectively, the shielding conductive pattern is located in the first conductive layer and insulated from the touch conductive structure, or the shielding conductive pattern is located in the second electrode layer and insulated from the second electrode.

公开(公告)号：US12249279B2

公开(公告)日：2025-03-11

申请号：US18027376

申请日：2022-05-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guangliang Shang ,  Jiangnan Lu ,  Li Wang ,  Mengyang Wen ,  Xing Yao ,  Libin Liu

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275

Abstract: Provided is a display substrate, a drive method thereof and a display apparatus, the display substrate includes: a first drive mode and a second drive mode, the first drive mode has a refresh rate less than that of the second drive mode, wherein the contents displayed on the display substrate include a plurality of display frames, in the first drive mode, the display frames include: a refresh frame and at least one maintain frame; the display substrate includes pixel circuits arranged in an array, the pixel circuits include a data signal line and a first initial signal line; the data signal line provides a first data signal in the maintain frame, the voltage value of the first data signal is constant, and/or the first initial signal line provides a first initial signal in the refresh frame and the maintain frame, the first initial signal is an AC signal.

公开(公告)号：US12154503B2

公开(公告)日：2024-11-26

申请号：US18043467

申请日：2022-02-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guangliang Shang ,  Li Wang ,  Baoyun Wu ,  Xiyu Zhao ,  Yu Feng ,  Libin Liu ,  Shiming Shi

IPC: G09G3/3233

Abstract: A parameter adjustment method of a display module includes: setting an initial value of a light-emitting delay time and specified gray levels; based on the initial value of the light-emitting delay time, adjusting the light-emitting delay time stepwise until a value of an adjusted light-emitting delay time exceeds a preset range of the light-emitting delay time, so that values of the light-emitting delay time within the preset range of the light-emitting delay time are obtained; obtaining flicker values of the display module at the specified gray levels for each value of the light-emitting delay time; and determining a preferred value of the light-emitting delay time from the values of the light-emitting delay time according to flicker values corresponding to the values of the light-emitting delay time.

公开(公告)号：US20240290275A1

公开(公告)日：2024-08-29

申请号：US18245534

申请日：2022-05-31

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangnan Lu ,  Zhenzhen Shan ,  Jianchao Zhu ,  Guangliang Shang ,  Xing Yao

IPC: G09G3/3266

CPC classification number: G09G3/3266 ,  G09G2310/08

Abstract: A scan circuit having a plurality of stages is provided. A respective stage includes a respective scan unit configured to provide a control signal to at least a row of subpixels. The respective scan unit includes an input subcircuit configured to receive a start signal or an output signal from a previous scan unit, a first processing subcircuit, a second processing subcircuit, and an output subcircuit. The output subcircuit includes a first output transistor. The input subcircuit includes a first input transistor and a second input transistor sequentially coupled between an input terminal and a first node. The first node is coupled to a gate electrode of the first output transistor. The first processing subcircuit includes a first switch transistor and a second switch transistor coupled between the first node and a first reference terminal. The first reference terminal is configured to receive a first reference signal.

公开(公告)号：US12002407B2

公开(公告)日：2024-06-04

申请号：US17779845

申请日：2021-04-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guangliang Shang ,  Jiangnan Lu ,  Jie Zhang ,  Libin Liu ,  Shiming Shi ,  Dawei Wang

IPC: G09G3/3266 ,  G09G3/20 ,  G11C19/28

CPC classification number: G09G3/2096 ,  G09G3/3266 ,  G09G3/20 ,  G09G2300/0426 ,  G09G2310/0267 ,  G09G2310/0286 ,  G09G2310/08 ,  G09G2320/0626 ,  G09G2330/021 ,  G11C19/28

Abstract: A shift register circuit includes a denoising control sub-circuit and a denoising sub-circuit. The denoting control sub-circuit is configured to generate an alternating voltage signal according to a voltage of a first voltage terminal and a signal of a second clock signal terminal in response to a signal of a first clock signal terminal, to rectify the alternating voltage signal and then to output a signal to a first denoising control node, so that the voltage of the first denoting control node is maintained to be a voltage that enables the denoising sub-circuit to be turned on. The denoting sub-circuit is configured to denoise a scan signal output terminal in response to a voltage of the first denoising control node being the voltage that enables the denoising sub-circuit to be turned on.

公开(公告)号：US20240179973A1

公开(公告)日：2024-05-30

申请号：US18264484

申请日：2022-11-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guangliang Shang ,  Hao Liu ,  Jiangnan Lu ,  Mengyang Wen ,  Xinbin Han

IPC: H10K59/131

CPC classification number: H10K59/131

Abstract: A display panel is provided. The display panel includes a display area and a peripheral area. The peripheral area includes a first region, a second region, a third region, and a fourth region. The second region includes a scan circuit configured to generate control signals for subpixels in the display area. The third region includes a voltage supply pad configured to provide a voltage supply signal to the subpixels in the display area. The first region includes fanout lines connecting the scan circuit to the subpixels in the display area. The fourth region includes one or more sub-regions.

公开(公告)号：US11631351B2

公开(公告)日：2023-04-18

申请号：US17245026

申请日：2021-04-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xinshe Yin ,  Xinbin Han ,  Jianchao Zhu ,  Guangliang Shang

IPC: G09G3/00 ,  G09G3/3208

Abstract: Disclosed in the embodiments of the present disclosure are a current detection device and a display device. The current detection device includes: a plurality of detection circuits; the detection circuit includes: a feedback compensation circuit and a current detection circuit; and the feedback compensation circuit is configured to generate a noise inversion signal by inverting a noise AC signal generated on the predetermined power line in the display panel and to provide the noise inversion signal to a first end of the current detection circuit; and the current detection circuit is configured to output a detection signal to the signal output end according to the noise inversion signal, the signal on the detection line and the signal of the reference voltage end.

公开(公告)号：US11094279B2

公开(公告)日：2021-08-17

申请号：US16761218

申请日：2018-11-27

Applicant: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yifang Chu ,  Guangliang Shang ,  Jieqiong Wang

IPC: G09G3/36 ,  G09G3/20

Abstract: A pixel compensation method, a pixel compensation device and a display device are provided. The pixel compensation method includes: determining a target sub-pixel to be compensated in a display area; setting at least one charged sub-pixel connected to a same data line as the target sub-pixel, as a reference sub-pixel; acquiring a compensation value of the target sub-pixel; and compensating a display parameter of the target sub-pixel based on the compensation value.