公开(公告)号：US20220399374A1

公开(公告)日：2022-12-15

申请号：US17604971

申请日：2020-12-14

Applicant: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ling Shi ,  Yipeng Chen ,  Ke Liu ,  Fei Fang ,  Zhenhua Zhang ,  Xuewei Tian

IPC: H01L27/12

Abstract: Provided is a display substrate. The display substrate includes including a base substrate having a first display region and a second display region; in the pixel circuit included in the pixels in the second display region, the conductive line connected to the metal layer is a transparent conductive line, and the transparent conductive line is disposed between the two existing insulating layers.

公开(公告)号：US20220269364A1

公开(公告)日：2022-08-25

申请号：US17508899

申请日：2021-10-22

Applicant: Chengdu BOE Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Hongqiang Luo ,  Kwang Gyun Jang ,  Ke Liu ,  Guiyu Zhang

IPC: G06F3/041 ,  H05K1/02

Abstract: The disclosure provides a display panel and a displaying device. The display panel comprises a bonding area and an active area; a flexible printed circuit board, the flexible printed circuit board being arranged on a side, away from the active area, of the bonding area, and comprising a display signal line which extends in a first direction and is electrically connected to the bonding area; and a touch driving line and a signal receiving line, the touch driving line and the signal receiving line being connected to the flexible printed circuit board from the active area via the bonding area, and the display signal line not overlapping with the touch driving line or the signal receiving line.

公开(公告)号：US11263954B2

公开(公告)日：2022-03-01

申请号：US17180961

申请日：2021-02-22

Applicant: Chengdu BOE Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Ke Liu ,  Ling Shi ,  Bingqiang Gui ,  Wenqiang Li

IPC: G09G3/20 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3291

Abstract: A pixel driving circuit and an ultrasonic line recognition circuit are coupled to a same power supply terminal, a same first control signal terminal and a same scanning signal terminal; and the ultrasonic line recognition circuit is coupled to an ultrasonic device, and the pixel driving circuit is coupled to a data signal terminal and a light emitting device.

公开(公告)号：US11151937B2

公开(公告)日：2021-10-19

申请号：US16766192

申请日：2019-04-25

Applicant: Chengdu BOE Optoelectronics Technology Co., Ltd. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ke Liu ,  Ling Shi ,  Wenqiang Li ,  Shuo Li ,  Xuewei Tian ,  Bingqiang Gui ,  Xiaoqi Ding

IPC: G09G3/3233 ,  G06K9/00

Abstract: The present disclosure provides a driving circuit and a driving method thereof, an array substrate, a display device, and a driving method thereof. The driving circuit is applied for driving a light-emitting element and a fingerprint detection element, and includes: a driving sub-circuit, outputting a light-emitting driving current to the light-emitting element under the control of a driving node; a data writing sub-circuit, communicating a data input terminal with the driving node in response to a scanning signal of a scanning signal terminal; a first energy storage sub-circuit, coupled to the driving node and a control signal terminal; a detection sub-circuit, outputting a detection current under the control of an output terminal of the fingerprint detection element; and a data output sub-circuit, outputting a detection current to the data output terminal in response to the scanning signal of the scanning signal terminal.