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：US20230360586A1

公开(公告)日：2023-11-09

申请号：US17634544

申请日：2021-04-15

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/0275 ,  G09G2310/0267 ,  G09G2320/0247 ,  G09G2320/0233 ,  G09G2310/0297

Abstract: Disclosed are a display panel, a control method for the same, and a display device. The display panel includes: M rows and N columns of pixel units, N current data lines sequentially arranged along a row direction, and N time-length data lines sequentially arranged along the row direction. Each pixel unit includes a pixel circuit, the pixel circuit including a current data terminal and a time-length data terminal. An ith column of the current data lines and an ith column of the time-length data lines are respectively located on two sides of an ith column of pixel units, the current data terminals of the pixel circuits of the ith column of pixel units are electrically connected to the ith column of the current data lines.

公开(公告)号：US20230113488A1

公开(公告)日：2023-04-13

申请号：US17052526

申请日：2019-11-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiao ZHAO ,  Li XIAO ,  Minghua XUAN ,  Haoliang ZHENG ,  Dongni LIU ,  Jing LIU ,  Qi QI

IPC: G09G3/3291

Abstract: The present disclosure provides a display substrate and a display device, and belongs to the field of display technology. The display substrate of the present disclosure includes: a base substrate; and a plurality of pixel units arranged in an array, a plurality of signal lines and signal supply modules on the base substrate; wherein the signal supply module includes: a signal supply circuit and a redundant signal supply circuit; each of the signal supply modules is electrically coupled to at least one of the plurality of pixel units through at least one of the plurality of signal lines.

公开(公告)号：US20230028984A1

公开(公告)日：2023-01-26

申请号：US17772951

申请日：2021-06-24

Applicant: BOE Technology Group Co., Ltd.

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

IPC: H01L27/15 ,  H01L25/18

Abstract: A chip structure, a manufacturing method thereof, and a display device are provided. The chip structure comprises a substrate, a micro light-emitting diode and a drive transistor arranged on the substrate, wherein a first pole of the drive transistor is coupled to a first electrode of the micro light-emitting diode.

公开(公告)号：US20220351683A1

公开(公告)日：2022-11-03

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

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：US20220293038A1

公开(公告)日：2022-09-15

申请号：US17530101

申请日：2021-11-18

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G09G3/32

Abstract: The present application provides a pixel circuit, a pixel driving method and a display device. The pixel circuit is to be coupled to a to-be-driven element. The pixel circuit includes a first energy storage circuit, a driving circuit, a light-emitting control circuit, a data writing circuit, and a compensation control circuit. The compensation control circuit is configured to, under control of a third control signal, control conduction between the first node and the first terminal of the driving circuit, and control conduction between the second node and the second terminal of the driving circuit.

公开(公告)号：US20220246812A1

公开(公告)日：2022-08-04

申请号：US17522282

申请日：2021-11-09

Applicant: BOE Technology Group Co., Ltd.

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

IPC: H01L33/62 ,  H01L33/38 ,  H01L33/00

Abstract: The present disclosure discloses a light-emitting substrate, a method for forming the light-emitting substrate and a display device. The light-emitting substrate includes: a base substrate; a first signal line located at one side of the base substrate; an insulation layer located at one side of the first signal line away from the base substrate; an electrode layer located at one side of the insulation layer away from the base substrate and including a first electrode terminal, a second electrode terminal and a second signal line, where the first electrode terminal is electrically connected to the first signal line via a first through hole penetrating the insulation layer; and at least one light-emitting element bound and connected to the first electrode terminal and the second electrode terminal.

公开(公告)号：US20220101779A1

公开(公告)日：2022-03-31

申请号：US17408967

申请日：2021-08-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G09G3/32

Abstract: A light-emitting driving circuit includes a driving sub-circuit, a control sub-circuit, a data writing sub-circuit and a compensation sub-circuit. The control sub-circuit is configured to initialize voltages of a first node and a control terminal of the driving sub-circuit in response to a second scan signal. The data writing sub-circuit is configured to write a data signal into a first terminal of the driving sub-circuit in response to a first scan signal. The driving sub-circuit is configured to output, from a second terminal of the driving sub-circuit, the data signal and a compensation signal. The compensation sub-circuit is configured to transmit the data signal and the compensation signal to the first node in response to the first scan signal, and adjust the voltage of the control terminal according to the data signal, the compensation signal, the initialized voltages of the first node and the control terminal.

公开(公告)号：US20210390904A1

公开(公告)日：2021-12-16

申请号：US16345854

申请日：2018-11-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Minghua XUAN ,  Lei WANG ,  Li XIAO ,  Xiaochuan CHEN

IPC: G09G3/3225 ,  G09G3/3266

Abstract: A display panel, a method of driving a display panel, and a display device are provided. The display panel includes a plurality of sub-pixel units arranged in an array, a plurality of compensation driving circuits and a plurality of light emitting control lines; sub-pixel units in each row are divided into a plurality of compensation light emitting groups, the plurality of compensation light emitting groups include a plurality of first compensation light emitting groups, the first compensation light emitting groups each include N sub-pixel units that are adjacent, and light emitting circuits of the N sub-pixel units that are adjacent are connected to one same compensation driving circuit; the light emitting circuits of the N sub-pixel units that are adjacent of each of the first compensation light emitting groups are respectively connected to N light emitting control lines that are different.