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.

公开(公告)号：US20210223871A1

公开(公告)日：2021-07-22

申请号：US16301843

申请日：2018-04-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guangliang Shang ,  Seungwoo Han

IPC: G06F3/03 ,  G01B7/16

Abstract: The present disclosure is related to a flexible display panel. The flexible display panel may include a display substrate, a plurality of pixel units arranged in an array on the display substrate, and at least a strain sensor on the display substrate. The strain sensor may be arranged corresponding to a region comprising at least one of the plurality of pixel units. The strain sensor may be configured to detect deformation in the region comprising at least one of the plurality of pixel units and to generate a detection signal.

公开(公告)号：US10811114B2

公开(公告)日：2020-10-20

申请号：US16138878

申请日：2018-09-21

Applicant: BOE Technology Group Co., Ltd.

Inventor： Lijun Yuan ,  Mingfu Han ,  Seung Woo Han ,  Xing Yao ,  Zhichong Wang ,  Guangliang Shang ,  Haoliang Zheng

IPC: G11C19/00 ,  G11C19/28 ,  G09G3/3258 ,  G09G3/36

Abstract: Embodiments of the present application provide a shift register unit, a method for driving the same, a gate driving circuit, and a display apparatus. The shift register unit comprises at least two sub-circuits of a first output sub-circuit, a second output sub-circuit, and a third output sub-circuit. The first output sub-circuit is configured to output a voltage at a signal output terminal to a reset signal output terminal; the second output sub-circuit is configured to output the voltage at the signal output terminal to a gating signal output terminal; and the third output sub-circuit is configured to output a voltage at a second voltage terminal to a light-emitting control signal output terminal or is configured to output a voltage at a first voltage terminal to the light-emitting control signal output terminal.

公开(公告)号：US20190221178A1

公开(公告)日：2019-07-18

申请号：US15574867

申请日：2017-05-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Seungwoo Han ,  Guangliang Shang

IPC: G09G3/36

CPC classification number: G09G3/3614 ,  G02F1/13624 ,  G09G3/20 ,  G09G3/34 ,  G09G3/36 ,  G09G2300/0814 ,  G09G2300/0823 ,  G09G2310/061 ,  G09G2320/045 ,  H01L27/1225

Abstract: A pixel driving circuit for a display apparatus. The pixel driving circuit may include a first gate line, a second gate line, a data line, a first thin-film transistor, and a second thin-film transistor. A gate of the first thin-film transistor may be coupled to the first gate line. A source of the first thin-film transistor may be coupled to the data line. A drain of the first thin-film transistor may be coupled to a source of the second thin-film transistor. A gate of the second thin-film transistor may be coupled to the second gate line. A drain of the second thin-film transistor may be coupled to a pixel electrode.

公开(公告)号：US10217391B2

公开(公告)日：2019-02-26

申请号：US15541639

申请日：2016-09-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guangliang Shang ,  Xing Yao ,  Seungwoo Han ,  Yujie Gao ,  Yuanbo Zhang ,  Ming Chen ,  Jungmok Jun ,  Xue Dong

IPC: G11C19/28 ,  G09G3/32 ,  G09G3/36 ,  G09G3/20 ,  G09G3/3266

Abstract: Disclosed is a shift register unit, a gate driving circuit and a driving method, as well as a display apparatus. The shift register unit has a working cycle including an input phase, an output phase, a reset phase and a maintaining phase. In the reset phase, a clock signal is transmitted to an output terminal to pull a voltage of the output terminal down to a reference voltage, and the pulled-down voltage of the output terminal is subsequently changed from the reference voltage to a gate-off voltage. In the maintaining phase, the voltage of the output terminal is maintained at the gate-off voltage. The reference voltage is smaller than the gate-off voltage.