公开(公告)号：US10380946B2

公开(公告)日：2019-08-13

申请号：US15580028

申请日：2017-06-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongni Liu ,  Shengji Yang ,  Xiaochuan Chen ,  Zheng Fang ,  Han Yue ,  Jie Fu ,  Li Xiao ,  Lei Wang ,  Pengcheng Lu

IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3233

Abstract: The present disclosure relates to an OLED pixel circuitry, a driving method thereof and a display device. The OLED pixel circuitry includes: a driving circuit, a light emitting circuit and a short-circuit protection circuit, wherein the driving circuit is coupled to a scan signal input terminal, a data signal input terminal, a first voltage terminal and the light emitting circuit respectively, and is configured to drive the light emitting circuit to emit light; the light emitting circuit is further coupled to a second voltage terminal, and is configured to emit light; and the short-circuit protection circuit is coupled to the driving circuit and the light emitting circuit, and is configured to control the driving circuit to be turned off when a short circuit occurs in the light emitting circuit.

公开(公告)号：US10332448B2

公开(公告)日：2019-06-25

申请号：US15736018

申请日：2017-06-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Han Yue ,  Jie Fu ,  Shengji Yang ,  Lei Wang ,  Pengcheng Lu ,  Dongni Liu ,  Li Xiao ,  Xiaochuan Chen

IPC: G09G3/3233 ,  G09G3/3225

Abstract: A pixel circuit includes a light emitting device, a driving circuit configured to drive the light emitting device to emit light, a short circuit control circuit and a light emitting control circuit, wherein the short circuit control circuit is coupled between the light emitting control device and the light emitting device for obtaining an input terminal signal of the light emitting device and outputting a short circuit control signal according to the input terminal signal of the light emitting device, the light emitting control device is coupled to the short circuit control circuit and coupled in series between the driving circuit and the light emitting device and configured to control a connecting branch between the driving circuit and the light emitting device to be turned on and off according to a short circuit control signal.

公开(公告)号：US20180286310A1

公开(公告)日：2018-10-04

申请号：US15562828

申请日：2017-03-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Xue Dong ,  Jing Lv ,  Xiaochuan Chen ,  Dongni Liu ,  Lei Wang ,  Li Xiao ,  Jie Fu ,  Pengcheng Lu ,  Han Yue

IPC: G09G3/3241 ,  G09G3/3266 ,  G09G3/3283

CPC classification number: G09G3/3241 ,  G09G3/3208 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3283 ,  G09G2300/0809 ,  G09G2320/0295 ,  G09G2320/0626 ,  G09G2320/0693

Abstract: A display substrate, a display equipment and a regional compensation method. The display substrate includes a pixel array, a common cathode current detection circuit, and a data signal compensation circuit. The common cathode current detection circuit is configured to detect a total current flowing through each common cathode; the data signal compensation circuit is configured to receive the pixel light emitting current of the first sub-pixel, receive the total current of the common cathode, and calculate compensation data for each of the sub-pixels according to the pixel light emitting current and the total current of the common cathode.

公开(公告)号：US12130527B2

公开(公告)日：2024-10-29

申请号：US18465273

申请日：2023-09-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Liang Chen ,  Minghua Xuan ,  Dongni Liu ,  Haoliang Zheng ,  Li Xiao ,  Zhenyu Zhang ,  Hao Chen ,  Ke Wang

IPC: G02F1/1362 ,  H10K59/131

CPC classification number: G02F1/136286 ,  H10K59/131

Abstract: The present disclosure discloses a display panel and a display device. The display panel includes: a base substrate, including a plurality of substrate via holes located in a display area of the display panel; and a plurality of driving signal lines and a plurality of bonding terminals, respectively located on different sides of the base substrate. At least one of the plurality of driving signal lines is electrically connected to at least one of the plurality of bonding terminals through the substrate via hole(s).

公开(公告)号：US12080229B2

公开(公告)日：2024-09-03

申请号：US18469557

申请日：2023-09-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Minghua Xuan ,  Dongni Liu ,  Qi Qi ,  Jing Liu ,  Han Yue

IPC: G09G3/32 ,  G09G3/3208 ,  G09G3/3233 ,  G09G3/3266 ,  G11C19/28

CPC classification number: G09G3/32 ,  G09G3/3208 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0426 ,  G09G2300/0809 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0286 ,  G09G2310/061 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2330/021 ,  G11C19/28

Abstract: A pixel driving circuit includes a driving control sub-circuit and a time control sub-circuit. The driving control sub-circuit includes a first driving sub-circuit. The first driving sub-circuit is configured to output a driving signal to drive an element to be driven to operate. The time control sub-circuit includes a second driving sub-circuit. The second driving sub-circuit is configured to output a third voltage signal to make the first driving sub-circuit stop outputting the driving signal, so as to control operating duration of the element to be driven.

公开(公告)号：US12073772B2

公开(公告)日：2024-08-27

申请号：US17511335

申请日：2021-10-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Haoliang Zheng ,  Minghua Xuan ,  Dongni Liu ,  SeungWoo Han ,  Li Xiao ,  Liang Chen ,  Hao Chen ,  Jiao Zhao ,  Qi Qi

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0452 ,  G09G2310/0275 ,  G09G2310/0297

Abstract: Disclosed is an array substrate including multiple first selection circuits with each including at least two first selection transistors and at least two first anticreeping transistors. Each first selection transistor is connected with one first anticreeping transistor in series. When the first selection transistor is turned on by a first turn-on signal from a first control signal terminal, the first anticreeping transistor is turned on by a second turn-on signal from a second control signal terminal. When the first selection transistor is turned off by a first turn-off signal from the first control signal terminal, the first anticreeping transistor is turned off to make the first selection transistors and the data signal terminal disconnected, by a second turn-off signal from the second control signal terminal. A voltage of the first turn-off signal is greater than a voltage of the second turn-off signal.

公开(公告)号：US20240127756A1

公开(公告)日：2024-04-18

申请号：US18390041

申请日：2023-12-20

Applicant: BOE Technology Group Co., Ltd.

Inventor： Minghua Xuan ,  Xiaochuan Chen ,  Dongni Liu

IPC: G09G3/3258 ,  G09G3/20 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275

CPC classification number: G09G3/3258 ,  G09G3/2007 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2330/021

Abstract: A pixel driving circuit includes a driving signal control sub-circuit and a driving duration control sub-circuit. The driving signal control sub-circuit is configured to provide a driving signal to the driving duration control sub-circuit under control of both a first scanning signal terminal and a enable signal terminal. The driving signal is related to a first data signal received at a first data signal terminal and a first voltage signal received at a first voltage signal terminal. The driving duration control sub-circuit is configured to, under control of the second scanning signal terminal and the enable signal terminal, transmit the driving signal to the element to be driven based on a second data signal with a gradually varying working potential received at the second data signal terminal. The first data signal is different from the second data signal.

公开(公告)号：US11796877B2

公开(公告)日：2023-10-24

申请号：US17984469

申请日：2022-11-10

Applicant: BOE Technology Group Co., Ltd.

Inventor： Liang Chen ,  Minghua Xuan ,  Dongni Liu ,  Haoliang Zheng ,  Li Xiao ,  Zhenyu Zhang ,  Hao Chen ,  Ke Wang

IPC: G02F1/1362 ,  H10K59/131

CPC classification number: G02F1/136286 ,  H10K59/131

Abstract: The present disclosure discloses a display panel and a display device. The display panel includes: a base substrate, including a plurality of substrate via holes located in a display area of the display panel; and a plurality of driving signal lines and a plurality of bonding terminals, respectively located on different sides of the base substrate. At least one of the plurality of driving signal lines is electrically connected to at least one of the plurality of bonding terminals through the substrate via hole(s).

公开(公告)号：US11688347B2

公开(公告)日：2023-06-27

申请号：US17620398

申请日：2020-11-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li Xiao ,  Haoliang Zheng ,  Hao Chen ,  Minghua Xuan ,  Dongni Liu ,  Seungwoo Han ,  Liang Chen ,  Jiao Zhao ,  Xue Dong

IPC: G09G3/3258 ,  G09G3/3291

CPC classification number: G09G3/3258 ,  G09G3/3291

Abstract: A pixel circuit includes a driving circuit, a first control circuit and a second control circuit. The driving circuit is configured to receive a data signal in response to a scan signal, and generate, in response to a first enable signal, a driving signal according to a first voltage and the data signal. The first control circuit is configured to: receive a first input signal in response to a first control signal, and transmit a third input signal in response to the first input signal; and receive a second input signal in response to a second control signal, and transmit a second enable signal in response to the second input signal. The second control circuit is configured to transmit the driving signal to an element to be driven in response to one of the third input signal and the second enable signal.

公开(公告)号：US11688336B2

公开(公告)日：2023-06-27

申请号：US17744965

申请日：2022-05-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiao Zhao ,  Li Xiao ,  Minghua Xuan ,  Haoliang Zheng ,  Dongni Liu ,  Jing Liu ,  Qi Qi ,  Zhenyu Zhang ,  Liang Chen ,  Hao Chen ,  Lijun Yuan

IPC: G09G3/32 ,  G11C19/28 ,  H01L25/075 ,  H01L27/02 ,  H01L27/12 ,  H01L33/62

CPC classification number: G09G3/32 ,  G11C19/28 ,  H01L25/0753 ,  H01L27/0296 ,  H01L27/124 ,  H01L33/62 ,  G09G2300/026 ,  G09G2310/0286 ,  G09G2330/04

Abstract: An array substrate includes pixel group(s) and pixel circuit group(s), each pixel group includes pixels, and each pixel includes sub-pixel(s). At least two pixel groups are arranged in a row direction; in a column direction, a length of a pixel group is greater than a length of a pixel circuit group electrically connected thereto; and orthographic projections of a sub-pixel and a pixel circuit group electrically connected to a pixel group to which the sub-pixel belongs on a plane does not overlap. Or, the at least two pixel groups are arranged in the column direction; in the row direction, a length of a pixel group is greater than a length of a pixel circuit group electrically connected thereto; and orthographic projections of a sub-pixel and a pixel circuit group electrically connected to a pixel group to which the sub-pixel belongs on another plane does not overlap.