公开(公告)号：US20240242659A1

公开(公告)日：2024-07-18

申请号：US18005373

申请日：2021-11-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2310/0297

Abstract: A display substrate includes a plurality of data lines extending in a first direction, and a plurality of sub-pixels. A sub-pixel includes a pixel driving circuit and a light-emitting device. The pixel driving circuit includes a current control circuit, and a duration control circuit electrically connected to the current control circuit and the light-emitting device. The current control circuit is configured to generate a driving signal to drive the light-emitting device to emit light; and the duration control circuit is configured to generate a duration control signal to control a duration of a connection between the current control circuit and the light-emitting device. The current control circuit and the duration control circuit are electrically connected to a same data line.

公开(公告)号：US20250131878A1

公开(公告)日：2025-04-24

申请号：US18681495

申请日：2021-09-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： SeungWoo HAN ,  Haoliang ZHENG ,  Dongni LIU ,  Li XIAO ,  Liang CHEN ,  Jiao ZHAO ,  Xiaorong CUI ,  Minghua XUAN

IPC: G09G3/3233 ,  G09G3/20

Abstract: A pixel circuit, a driving method therefor, and a display device. The pixel circuit comprises: a current control circuit (301), a duration control circuit (302), and a light-emitting element (303), wherein the current control circuit (301) is used for receiving a data signal (DI) and a first scan signal (gataA), and controlling the amplitude of a generated drive current according to the data signal (DI) and the first scan signal (gataA), and the duration control circuit (302) is used for receiving a mode control signal (DT), a pulse control signal (hf), a light-emitting control signal (em_b), and the drive current of the current control circuit (301), and controlling, according to the amplitude of the mode control signal (DT), the length of time for providing the light-emitting element (303) with the drive current.

公开(公告)号：US20240221608A1

公开(公告)日：2024-07-04

申请号：US17923690

申请日：2021-11-29

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G09G3/32 ,  G11C19/28

CPC classification number: G09G3/32 ,  G11C19/28 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0286 ,  G09G2310/08

Abstract: A shift register includes: an input circuit configured to receive an input signal; a first control circuit configured to control, in response to a second clock signal and a voltage at a second node, a voltage at the first node; a second control circuit configured to control, in response to a first clock signal, the second clock signal, and the voltage at the first node, a voltage at the second node, and control, in response to the second clock signal and the voltage at the first node, a voltage at the fifth node; and an output circuit configured to transmit, in response to an active level at the first node, a second power signal to an output signal terminal, and transmit, in response to an active level at the fifth node, the first power signal to the output signal terminal. All transistors included in the shift register are N-type transistors.

公开(公告)号：US20250081609A1

公开(公告)日：2025-03-06

申请号：US18555254

申请日：2022-12-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Li XIAO ,  Haoliang ZHENG ,  Minghua XUAN ,  Jiao ZHAO ,  Yuzhen GUO ,  Xiaorong CUI ,  Chenyang ZHANG

IPC: H01L27/12 ,  G09G3/20 ,  G09G3/32 ,  H01L25/16

Abstract: A display substrate, a manufacturing method thereof and a display apparatus are provided. The display substrate includes a plurality of circuit units (Q), the plurality of circuit units (Q) includes at least a first circuit unit (Q1), a second circuit unit (Q2) and a third circuit unit (Q3), wherein the first circuit unit (Q1) includes at least a first drive transistor (DTFT1), the second circuit unit (Q2) includes at least a second drive transistor (DTFT2), the third circuit unit (Q3) includes at least a third drive transistor (DTFT3), the channel width of the first drive transistor (DTFT1) is larger than that of the second drive transistor (DTFT2) or the third drive transistor (DTFT3), and the channel length of the first drive transistor (DTFT1) is the same as that of the second drive transistor (DTFT2) or the third drive transistor (DTFT3).

公开(公告)号：US20250014503A1

公开(公告)日：2025-01-09

申请号：US18275555

申请日：2022-09-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiao ZHAO ,  Yuzhen GUO ,  Haoliang ZHENG ,  Li XIAO ,  Chenyang ZHANG ,  Xiaorong CUI ,  Minghua XUAN ,  Wanzhi CHEN ,  Yan QU

IPC: G09G3/32

Abstract: A pixel circuit, a pixel driving method and a display device are provided. The pixel circuit includes a driving circuit, a light emitting element and a light emitting gating control circuit; the driving circuit is electrically connected to a first electrode of the light emitting element, and is configured to drive the light emitting element; the light emitting gating control circuit is configured to form a current path between the second electrode of the light emitting element and the first voltage terminal under the control of the first control signal provided by the first control terminal according to the first light emitting control voltage provided by the first light emitting control voltage terminal and the light emitting data voltage provided by the light emitting data voltage terminal, to control the driving circuit to control the light emitting element to emit light.

公开(公告)号：US20250111827A1

公开(公告)日：2025-04-03

申请号：US18980404

申请日：2024-12-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G09G3/32

Abstract: A display substrate includes a plurality of data lines extending in a first direction, and a plurality of sub-pixels. A sub-pixel includes a pixel driving circuit and a light-emitting device. The pixel driving circuit includes a current control circuit, and a duration control circuit electrically connected to the current control circuit and the light-emitting device. The current control circuit is configured to generate a driving signal to drive the light-emitting device to emit light; and the duration control circuit is configured to generate a duration control signal to control a duration of a connection between the current control circuit and the light-emitting device. The current control circuit and the duration control circuit are electrically connected to a same data line.

公开(公告)号：US20250081610A1

公开(公告)日：2025-03-06

申请号：US18555548

申请日：2022-12-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Li XIAO ,  Yan QU ,  Haoliang ZHENG ,  Jiao ZHAO ,  Yuzhen GUO ,  Xiaorong CUI ,  Chenyang ZHANG ,  Minghua XUAN

IPC: H01L27/12 ,  G09G3/32 ,  H01L23/544 ,  H01L25/16

Abstract: Disclosed are a display substrate and a preparation method therefor, and a display apparatus. The display substrate includes a plurality of first circuit regions and a plurality of second circuit regions alternately disposed along a second direction, a first circuit region includes a plurality of repeat units (RU) and a plurality of blank units (KB) alternately disposed along a first direction, a repeat unit (RU) includes a plurality of circuit units (Q), a circuit unit (Q) includes a pixel drive circuit and a data signal line (DataI) connected with the pixel drive circuit, a second circuit region includes at least one gate unit (G), the gate unit includes at least one gate drive circuit, and an orthographic projection of the gate drive circuit on a plane of the display substrate is not overlapped with an orthographic projection of the data signal line (DataI) on the plane of the display substrate.

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：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.