公开(公告)号：US12293715B2

公开(公告)日：2025-05-06

申请号：US18247634

申请日：2022-06-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Weixing Liu ,  Zhiqiang Xu ,  Jintao Peng ,  Chunfang Zhang ,  Wanpeng Teng ,  Kai Guo ,  Jiao Li

IPC: G09G3/3233 ,  G09G3/20

Abstract: A pixel circuit includes a light emitting element, a first energy storage circuit, a first driving circuit, a second driving circuit, a first driving control circuit, a second driving control circuit, a second energy storage circuit and a first control data voltage writing-in circuit; the first control data voltage writing-in circuit controls to write a first control data voltage into the third node under the control of a first writing-in control signal; both the first terminal of the first driving circuit and the first terminal of the second driving circuit are electrically connected to a power supply voltage terminal, the first driving circuit is used to drive the light emitting element under the control of a potential of the control terminal thereof, and the second driving circuit is used to drive the light emitting element under the control of a potential of the control terminal thereof.

公开(公告)号：US12236911B2

公开(公告)日：2025-02-25

申请号：US18004901

申请日：2022-01-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaolong Li ,  Kuanjun Peng ,  Kai Guo ,  Wanpeng Teng ,  Chunfang Zhang ,  Weixing Liu ,  Zhiqiang Xu ,  Tieshi Wang ,  Feihu Zhou

IPC: G09G3/36

Abstract: A display method is provided. The display method includes providing a display panel having a plurality of subpixels, a respective subpixel of the plurality of subpixels including a first area, n1 number of second areas, and n2 number of third areas, the first area being between the n1 number of second areas and the n2 number of third areas, n1≥1, and n2≥1; for displaying a first frame of image, controlling light emission of the respective subpixel to be limited in the first area, m1 number of the n1 number of second areas, and m2 number of the n2 number of third areas; and for displaying a second frame of image, controlling light emission of the respective subpixel to be limited in the first area, m1′ number of the n1 number of second areas, and m2′ number of the n2 number of third areas.

公开(公告)号：US20240265875A1

公开(公告)日：2024-08-08

申请号：US18040769

申请日：2022-04-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Weixing Liu ,  Wanpeng Teng ,  Chunfang Zhang ,  Zhiqiang Xu

IPC: G09G3/3266 ,  G09G3/3233

CPC classification number: G09G3/3266 ,  G09G3/3233 ,  G09G2300/0852 ,  G09G2310/08

Abstract: A scan circuit is provided. The scan circuit includes a plurality of scan units in a plurality of stages, respectively. A respective scan unit of the plurality of scan units includes an output subcircuit. The output subcircuit includes a first switch transistor and a second switch transistor. A source electrode of the first switch transistor is coupled to a third terminal configured to receive a first clock signal. A drain electrode of the first switch transistor is coupled to a first output terminal configured to output a first control signal. A source electrode of the second switch transistor is coupled to a fourth terminal configured to receive the third clock signal. A drain electrode of the second switch transistor is coupled to a second output terminal configured to output a second control signal. Gate electrodes of the first switch transistor and the second switch transistor are coupled to a first node.

公开(公告)号：US20220068206A1

公开(公告)日：2022-03-03

申请号：US17213557

申请日：2021-03-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Weixing Liu ,  Zhiqiang Xu ,  Tieshi Wang ,  Wei Qin ,  Wanpeng Teng

IPC: G09G3/3258 ,  G09G3/3241

Abstract: A pixel circuit, a pixel driving method, and a display device are provided. The pixel circuit includes a light emitting element, a first voltage control circuit, a second voltage control circuit, a driving circuit, a first energy storage circuit, a data writing circuit, and a reset circuit. The first voltage control circuit includes a first control transistor, the driving circuit includes a driving transistor, and a difference between a threshold voltage of the first control transistor and a threshold voltage of the driving transistor is within a first range. The first voltage control circuit controls a potential of a first control node under control of a reset control signal; and the second voltage control circuit controls a potential of a second control node under control of the potential of the first control node.

公开(公告)号：US11250782B1

公开(公告)日：2022-02-15

申请号：US17213557

申请日：2021-03-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Weixing Liu ,  Zhiqiang Xu ,  Tieshi Wang ,  Wei Qin ,  Wanpeng Teng

IPC: G09G3/3258 ,  G09G3/3241

Abstract: A pixel circuit, a pixel driving method, and a display device are provided. The pixel circuit includes a light emitting element, a first voltage control circuit, a second voltage control circuit, a driving circuit, a first energy storage circuit, a data writing circuit, and a reset circuit. The first voltage control circuit includes a first control transistor, the driving circuit includes a driving transistor, and a difference between a threshold voltage of the first control transistor and a threshold voltage of the driving transistor is within a first range. The first voltage control circuit controls a potential of a first control node under control of a reset control signal; and the second voltage control circuit controls a potential of a second control node under control of the potential of the first control node.

公开(公告)号：US11238803B2

公开(公告)日：2022-02-01

申请号：US17271776

申请日：2020-07-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Weixing Liu ,  Tieshi Wang ,  Zhiqiang Xu ,  Shengnan Li ,  Wanpeng Teng ,  Chunfang Zhang ,  Xiaolong Li ,  Wei Qin ,  Kai Guo ,  Kuanjun Peng

IPC: G09G3/3258 ,  H01L27/32 ,  H01L51/50

Abstract: The present disclosure provides a pixel circuit and a method for driving the same, and a display panel. The pixel circuit includes a driving sub-circuit and a light-emitting control sub-circuit. The driving sub-circuit is configured to transmit a first power voltage at a first power signal terminal to a second node. The light-emitting control sub-circuit is configured to: transmit a voltage at the second node and a second power voltage at the second power signal terminal to the first electrode of the first light-emitting element and the second electrode of the first light-emitting element respectively in a first period, to the first electrode of the second light-emitting element and the second electrode of the second light-emitting element respectively in a second period, and to the first electrode of the third light-emitting element and the second electrode of the third light-emitting element respectively in a third period.

公开(公告)号：US11114061B2

公开(公告)日：2021-09-07

申请号：US16623609

申请日：2019-05-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueling Gao ,  Kuanjun Peng ,  Chengchung Yang ,  Zhiqiang Xu ,  Wei Qin ,  Tieshi Wang ,  Xiaolong Li ,  Shengnan Li ,  Wanpeng Teng

IPC: G09G5/10 ,  G09G3/3275

Abstract: The present disclosure relates to a light-emission control signal generating device and a display device. The light-emission control signal generating device includes: a state detection circuit configured to detect whether a current frame is a static frame or a dynamic frame and output an indication signal indicating the static frame or the dynamic frame; and a plurality of light emission control signal generation circuits; wherein the plurality of light emission control signal generation circuits are divided into a plurality of blocks, and individual blocks are input with different light emission enable signals based on the indication signal to generate light emission control signals.

公开(公告)号：US10573268B2

公开(公告)日：2020-02-25

申请号：US15552781

申请日：2017-03-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wanpeng Teng

IPC: G09G3/36

Abstract: A pixel cell is disclosed including a pixel electrode and a pixel driving circuit. The pixel driving circuit includes a switch module and a compensation module. The compensation module is connected with a first signal line, a second signal line, a data line and the switch module. The switch module is connected with the second signal line, the compensation module and the pixel electrode. The compensation module is operable to store a compensation voltage under control of the first signal line and further to supply the compensation voltage and a data voltage supplied via the data line to the switch module under control of the second signal line. The switch module is operable to supply the compensation voltage and the data voltage to the pixel electrode under control of the second signal line.

公开(公告)号：US10203538B2

公开(公告)日：2019-02-12

申请号：US15531146

申请日：2016-11-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wanpeng Teng ,  Xiangxiang Zou ,  Xuefei Wang

IPC: G02F1/1335 ,  G02F1/1333 ,  G02F1/1343 ,  G06F3/041 ,  G06F3/044

Abstract: The present application discloses a touch substrate including a base substrate; a touch electrode layer on a base substrate comprising a plurality of columns of first touch electrodes, a plurality of rows of second touch electrodes, and a plurality of columns of electrode bridges in a same layer and made of a same electrode material; and a black matrix layer on the base substrate. The plurality of columns of first touch electrodes are insulated from the plurality of rows of second touch electrodes, and cross over the plurality of rows of second touch electrodes forming a plurality of intersections. A plurality of first touch electrode in each column are electrically connected by a plurality of electrode bridges. A plurality of second touch electrode in each row are electrically connected by the black matrix layer.

公开(公告)号：US20180188582A1

公开(公告)日：2018-07-05

申请号：US15531146

申请日：2016-11-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wanpeng Teng ,  Xiangxiang Zou ,  Xuefei Wang

IPC: G02F1/1333 ,  G02F1/1343 ,  G02F1/1335 ,  G06F3/041

CPC classification number: G02F1/13338 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/133512 ,  G02F1/1343 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04103 ,  G06F2203/04111 ,  G06F2203/04112

Abstract: The present application discloses a touch substrate including a base substrate; a touch electrode layer on a base substrate comprising a plurality of columns of first touch electrodes, a plurality of rows of second touch electrodes, and a plurality of columns of electrode bridges in a same layer and made of a same electrode material; and a black matrix layer on the base substrate. The plurality of columns of first touch electrodes are insulated from the plurality of rows of second touch electrodes, and cross over the plurality of rows of second touch electrodes forming a plurality of intersections. A plurality of first touch electrode in each column are electrically connected by a plurality of electrode bridges. A plurality of second touch electrode in each row are electrically connected by the black matrix layer.