公开(公告)号：US20250046263A1

公开(公告)日：2025-02-06

申请号：US18618985

申请日：2024-03-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yuzhen GUO ,  Baoxi WANG ,  Haoliang ZHENG ,  Li XIAO ,  Lipeng GAO ,  Jiao ZHAO ,  Xiaorong CUI ,  Yichi ZHANG

IPC: G09G3/34

Abstract: Disclosed are a display panel, a driving method thereof, and a display apparatus. The display panel has a plurality of first region groups arranged in a first direction and extending in a second direction. The first region group internally includes a plurality of first signal lines arranged in the first direction. A non-display region includes: a plurality of second signal lines, and a plurality of first multiplexers in one-to-one correspondence with the plurality of first region groups and sharing the plurality of second signal lines. The first multiplexers are connected to the first signal lines in the corresponding first region groups one to one. The first signal lines are electrically connected to pixel sub-electrodes in pixels arranged in the second direction.

公开(公告)号：US20250014514A1

公开(公告)日：2025-01-09

申请号：US18263043

申请日：2022-07-21

Applicant: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ning CONG ,  Li XIAO ,  Haoliang ZHENG ,  Can ZHANG ,  Minghua XUAN ,  Xiaochuan CHEN ,  Can WANG ,  Jinfei NIU ,  Jingjing ZHANG

IPC: G09G3/3233 ,  G09G3/32

Abstract: A pixel driving circuit includes a driving sub-circuit and a control sub-circuit. The driving sub-circuit is coupled to a data signal terminal, a scan signal terminal, a first power supply voltage terminal, an enable signal control terminal and an element to be driven, and the driving sub-circuit is configured to, in response to an enable signal, transmit a generated driving signal to the element to be driven, and control a current path transmitting the driving signal to be turned on and off. The control sub-circuit is coupled to the enable signal control terminal, and the control sub-circuit is configured to, in response to a signal received at the control signal terminal, transmit a signal 10 received at a first enable signal terminal or a signal received at a second enable signal terminal to the enable signal control terminal.

公开(公告)号：US20240257772A1

公开(公告)日：2024-08-01

申请号：US18290924

申请日：2022-09-05

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yuzhen GUO ,  Haoliang ZHENG ,  Minghua XUAN ,  Hebin ZHAO ,  Meirong LU ,  Chenyang ZHANG ,  Li XIAO ,  Xiaorong CUI ,  Jiao ZHAO ,  Shulei LI ,  Weixing LIU ,  Jintao PENG ,  Chunfang ZHANG ,  Xinxing WANG ,  Zhiqiang XU ,  Wanpeng TENG ,  Kai GUO

IPC: G09G3/34 ,  G02F1/167 ,  G02F1/16756 ,  G02F1/16766 ,  G02F1/1677

CPC classification number: G09G3/344 ,  G02F1/167 ,  G02F1/16756 ,  G02F1/16766 ,  G02F1/1677

Abstract: A display panel, a method for driving a display panel, and a display apparatus are provided. The display panel includes a first base substrate and a plurality of pixels on one side of the first base substrate. Each pixel includes: a plurality of pixel sub-electrodes independent from each other and configured to form an electric field with an included angle greater than 0 with respect to a direction perpendicular to the first base substrate under control of incompletely same driving signals; a common electrode on a side of the pixel electrode away from the first base substrate; and an electrophoretic liquid layer between the pixel electrode and the common electrode, including a plurality of charged particles therein.

公开(公告)号：US20240096288A1

公开(公告)日：2024-03-21

申请号：US18274470

申请日：2021-12-20

Applicant: BOE Technology Group Co., Ltd.

Inventor： Haoliang ZHENG ,  Yan QU ,  Dongni LIU ,  Li XIAO ,  Jiao ZHAO ,  Xiaorong CUI ,  Seungwoo HAN ,  Minghua XUAN

IPC: G09G3/3275 ,  G09G3/3266

CPC classification number: G09G3/3275 ,  G09G3/3266 ,  G09G2310/0297 ,  G09G2310/061 ,  G09G2310/08

Abstract: A display substrate a driving method therefor, and a display apparatus. The display substrate comprises: M rows and N columns of sub-pixels, N data signal lines and a data reset circuit, wherein at least one sub-pixel comprises a pixel circuit; an ith data signal line is connected to pixel circuits in an ith column, where M≥1, N≥1, and 1≤i≤N; and the data reset circuit is electrically connected to a data reset control end, a data initial signal end and the N data signal lines, and is configured to provide a signal of the data initial signal end to the N data signal lines under the control of the data reset control end.

公开(公告)号：US20230351944A1

公开(公告)日：2023-11-02

申请号：US17639790

申请日：2021-03-11

Applicant: BOE Technology Group Co., Ltd.

Inventor： Seungwoo HAN ,  Li XIAO ,  Haoliang ZHENG ,  Dongni LIU ,  Jiao ZHAO ,  Liang CHEN ,  Hao CHEN ,  Minghua XUAN

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/061 ,  G09G2300/0842

Abstract: Provided are a pixel circuit and a method for driving the same, a display panel and a display device. A drive circuit (04) in the pixel circuit is capable of controlling conduction/non-conduction between a second node (N2) and a third node (N3) under the control of a potential of a first node (N1). A light-emission control circuit (03) in the pixel circuit is capable of controlling conduction/non-conduction between a cathode of a light-emitting element and a second node (N2), and controlling conduction/non-conduction between the third node (N3) and a pull-down power terminal (LVSS) under the control of a potential of a light-emission control signal; and a potential of the first node (N1) is not be affected by a potential of an anode of the light-emitting element. Furthermore, in the case that the cathode of the light-emitting element and the second node (N2) are conducted, the second node (N2) and the third node (N3) are conducted, and the third node and the pull-down power terminal (LVSS) are conducted, the light-emitting element can emit light reliably.

公开(公告)号：US20230260461A1

公开(公告)日：2023-08-17

申请号：US18308385

申请日：2023-04-27

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：US20230032018A1

公开(公告)日：2023-02-02

申请号：US17789661

申请日：2021-08-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhenyu ZHANG ,  Li XIAO ,  Dongni LIU ,  Liang CHEN ,  Hao CHEN ,  Haoliang ZHENG ,  Minghua XUAN ,  Jiao ZHAO

IPC: G09G3/3258

Abstract: Provided are a photoelectric detection circuit and a driving method thereof, a display apparatus and a manufacturing method thereof. The photoelectric detection circuit includes: a first reset sub-circuit, a second reset sub-circuit, a first storage sub-circuit, a data read sub-circuit and a photosensitive device. A first terminal of the data read sub-circuit, a first terminal of the first storage sub-circuit, a first electrode of the photosensitive device and a first terminal of the first reset sub-circuit are connected to a first node. A second electrode of the photosensitive device is connected to a common voltage line. The data read sub-circuit is configured to transmit a voltage of the first node to a data read line in response to a signal of a scan line. The first reset sub-circuit is configured to reset the voltage of the first node.

公开(公告)号：US20220373900A1

公开(公告)日：2022-11-24

申请号：US16966874

申请日：2019-11-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li XIAO ,  Jiao ZHAO ,  Dongni LIU ,  Minghua XUAN ,  Haoliang ZHENG ,  Liang CHEN ,  Hao CHEN ,  Zhenyu ZHANG ,  Jing LIU ,  Qi QI

IPC: G03F9/00 ,  G03F1/42

Abstract: An alignment mark includes a first alignment marker located on a first surface of a substrate and a second alignment marker located on a second surface of the substrate. The second alignment marker is arranged to be matched with the first alignment marker, and capable of representing a process variation between the second alignment marker and the first alignment marker.

公开(公告)号：US20220121072A1

公开(公告)日：2022-04-21

申请号：US17281709

申请日：2020-01-10

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 ,  H01L27/32

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：US20220101780A1

公开(公告)日：2022-03-31

申请号：US17424408

申请日：2020-09-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li XIAO ,  Minghua XUAN ,  Dongni LIU ,  Jing LIU ,  Qi QI ,  Haoliang ZHENG ,  Zhenyu ZHANG ,  Liang CHEN ,  Hao CHEN

IPC: G09G3/32

Abstract: A pixel drive circuit includes a data write sub-circuit, an input and read sub-circuit, a drive sub-circuit, and a first output control sub-circuit. The data write sub-circuit is configured to transmit data signals input from a first data voltage terminal at different times to a first node. The input and read sub-circuit is configured to: transmit a signal of a signal transmission terminal to a second node in a write period, and transmit an electrical signal of the second node to the signal transmission terminal in a threshold voltage read period. The drive sub-circuit is configured to output a drive signal. The first output control sub-circuit is configured to: be coupled to an element to be driven, and transmit the drive signal output by the drive sub-circuit to the element to be driven.