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：US20230403902A1

公开(公告)日：2023-12-14

申请号：US18238019

申请日：2023-08-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhiqiang Xu ,  Wei Qin ,  Weixing Liu ,  Kai Guo ,  Tieshi Wang

IPC: H10K59/35 ,  H01L27/12 ,  H10K59/12 ,  H10K71/00

CPC classification number: H10K59/353 ,  H01L27/124 ,  H10K59/12 ,  H10K59/351 ,  H10K71/00 ,  G09G3/2003

Abstract: A display panel includes a base substrate and a plurality of sub-pixel groups. The plurality of sub-pixel groups includes a first sub-pixel group and a second sub-pixel group. The first sub-pixel group includes two adjacent sub-pixels with a first interval therebetween, and the second sub-pixel group includes two adjacent sub-pixels with a second interval therebetween. The first interval is different from the second interval.

公开(公告)号：US11250781B2

公开(公告)日：2022-02-15

申请号：US16829407

申请日：2020-03-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wei Qin ,  Zhiqiang Xu ,  Xiaolong Li ,  Tieshi Wang ,  Weixing Liu ,  Kai Guo ,  Jintao Peng ,  Yanan Niu ,  Kuanjun Peng

IPC: G09G3/3258 ,  G06F3/044 ,  G06F3/041 ,  G06K9/00 ,  G09G3/3291

Abstract: A pixel circuit includes a sensing circuit, a gray-scale control circuit and a light-emitting switch circuit; the sensing circuit is configured to charge and discharge a sensing capacitor when a sensing capacitor is formed by a touch object and an anode layer of OLED; the gray-scale control circuit is configured to control the light-emitting intensity of the OLED; the light-emitting switch circuit is configured to control the OLED to emit light.

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：US20240268149A1

公开(公告)日：2024-08-08

申请号：US18041070

申请日：2022-03-22

Applicant: BOE Technology Group Co., Ltd.

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

IPC: H10K59/121 ,  G09G3/3258 ,  H10K59/131 ,  H10K59/38

CPC classification number: H10K59/1213 ,  G09G3/3258 ,  H10K59/1216 ,  H10K59/131 ,  H10K59/38 ,  G09G2300/0426 ,  G09G2300/0852

Abstract: A light emitting substrate is provided. The light emitting substrate includes a plurality of subpixels. A respective subpixel of the plurality of subpixels includes n1 number of main light emitting elements; n1 number of main pixel driving circuits configured to drive light emission in the n1 number of main light emitting elements; n2 number of auxiliary light emitting elements; n2 number of auxiliary pixel driving circuits configured to drive light emission in the n2 number of auxiliary light emitting elements; n1≥1, and n2≥1. A respective main pixel driving circuit of the n1 number of main pixel driving circuits includes a first driving transistor. A respective auxiliary pixel driving circuit of the n2 number of auxiliary pixel driving circuits includes a second driving transistor. Threshold voltage levels of the first driving transistor and the second driving transistor are substantially the same

公开(公告)号：US20240242688A1

公开(公告)日：2024-07-18

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

CPC classification number: G09G3/3648 ,  G09G2320/0209 ,  G09G2354/00 ,  G09G2360/16

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, ml′ number of the n1 number of second areas, and m2′ number of the n2 number of third areas.

公开(公告)号：US11837133B2

公开(公告)日：2023-12-05

申请号：US17609504

申请日：2021-01-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Weixing Liu ,  Wei Qin ,  Kuanjun Peng ,  Tieshi Wang ,  Chunfang Zhang ,  Hui Zhang ,  Changfeng Li ,  Shunhang Zhang ,  Kai Hou ,  Hongrun Wang ,  Liwei Liu ,  Yunsik Im ,  Wanpeng Teng ,  Xiaolong Li ,  Kai Guo ,  Zhiqiang Xu

IPC: G09G3/20 ,  G11C19/28

CPC classification number: G09G3/20 ,  G11C19/287 ,  G09G2300/0408 ,  G09G2310/0267 ,  G09G2310/0286 ,  G09G2310/08

Abstract: The present disclosure provides a gate driving circuit, a method of driving a gate driving circuit, and a display panel. The gate driving circuit includes a plurality of driving units connected in cascade. Each driving unit includes: N shift register units; and a mode control circuit connected to the N shift register units, wherein the mode control circuit is configured to receive a control signal for the driving unit, and connect the N shift register units in one of a plurality of resolution modes under the control of the control signal.

公开(公告)号：US20220115459A1

公开(公告)日：2022-04-14

申请号：US17199489

申请日：2021-03-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhiqiang Xu ,  Wei Qin ,  Weixing Liu ,  Kai Guo ,  Tieshi Wang

IPC: H01L27/32 ,  H01L51/56

Abstract: A display panel includes a base substrate and a plurality of sub-pixel groups. The plurality of sub-pixel groups includes a first sub-pixel group and a second sub-pixel group. The first sub-pixel group includes two adjacent sub-pixels with a first interval therebetween, and the second sub-pixel group includes two adjacent sub-pixels with a second interval therebetween. The first interval is different from the second interval.

公开(公告)号：US11170701B2

公开(公告)日：2021-11-09

申请号：US16970818

申请日：2019-10-12

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G09G3/32 ,  G09G3/20

Abstract: An embodiment of the present disclosure provides a driving circuit, a driving method thereof, a display panel and a display device. The driving circuit includes a first transistor electrically connected between a signal input terminal and a light emitting device to be driven, a duration control circuit configured to provide a signal of a duration data signal terminal to a gate of the first transistor in response to a signal of a duration scanning signal terminal, and a latch circuit electrically connected with the gate of the first transistor and configured to latch the signal of the gate of the first transistor.