公开(公告)号：US20180315380A1

公开(公告)日：2018-11-01

申请号：US15743551

申请日：2017-07-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li XIAO ,  Xiaochuan CHEN ,  Shengji YANG ,  Dongni LIU ,  Lei WANG ,  Jie FU ,  Pengcheng LU ,  Han YUE

IPC: G09G3/34 ,  G09G3/20 ,  G02B26/00

CPC classification number: G02B26/00 ,  G09G3/34

Abstract: The disclosure relates to an electrowetting display panel and a control method thereof. An electrowetting display panel comprises a plurality of pixel units, each of the pixel units comprising a plurality of sub-pixel units, the sub-pixel unit comprising: at least two liquid layers; and at least one electrode layer, wherein the liquid layers and the electrode layer are stacked alternately; and wherein each of the liquid layers comprises a first insulation layer, a second insulation layer, side walls, and liquid contained in a space surrounded by the first insulation layer, the second insulation layer and the side walls, the liquid comprises colored hydrophobic flowing medium and transparent hydrophilic flowing medium, and the insulation layer of the liquid layer adjacent to the electrode layer is a hydrophobic insulation layer.

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：US20240386842A1

公开(公告)日：2024-11-21

申请号：US18788139

申请日：2024-07-30

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

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：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：US20240005854A1

公开(公告)日：2024-01-04

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

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

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：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.