公开(公告)号：US20230351968A1

公开(公告)日：2023-11-02

申请号：US18338577

申请日：2023-06-21

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

CPC classification number: G09G3/3258 ,  G09G2300/0439 ,  G09G2310/061 ,  G09G2320/0233 ,  G09G2360/14 ,  G06F3/0421

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：US20230351943A1

公开(公告)日：2023-11-02

申请号：US17636897

申请日：2021-04-21

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G09G3/32 ,  G09G3/20

CPC classification number: G09G3/32 ,  G09G3/2007 ,  G09G2300/0861 ,  G09G2300/0852 ,  G09G2300/0819 ,  G09G2320/0247 ,  G09G2320/0233 ,  G09G2310/08

Abstract: Disclosed are a pixel circuit and a drive method for the same, and a display panel and a drive method for the same. The pixel circuit is configured to drive a light-emitting element to emit light, including: a current control sub-circuit and a time-length control sub-circuit. The current control sub-circuit is electrically connected to a current data terminal, a scanning signal terminal, a reset signal terminal, an initial signal terminal, a light-emitting signal terminal, a first power terminal, a first node, and a second node, respectively. The time-length control sub-circuit is electrically connected to a first control terminal, a second control terminal, a time-length data terminal, a ground terminal, a light-emitting signal terminal, a high-frequency input terminal, and the first node, respectively.

公开(公告)号：US20230260453A1

公开(公告)日：2023-08-17

申请号：US18307416

申请日：2023-04-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G09G3/32 ,  G11C19/28 ,  H01L25/075 ,  H01L27/02 ,  H01L27/12 ,  H01L33/62

CPC classification number: G09G3/32 ,  G11C19/28 ,  H01L25/0753 ,  H01L27/0296 ,  H01L27/124 ,  H01L33/62 ,  G09G2300/026 ,  G09G2310/0286 ,  G09G2330/04

Abstract: An array substrate includes M pixel lines and N pixel circuit groups. The M pixel lines are disposed in a display area and arranged in a first direction. The N pixel circuit groups are arranged in the first direction. M is an integer greater than or equal to 2, and N is a positive integer less than M. A pixel circuit group of the N pixel circuit groups is electrically connected to adjacent two pixel lines of the M pixel lines, and the first direction is one of a row direction and a column direction.

公开(公告)号：US20230071948A1

公开(公告)日：2023-03-09

申请号：US17984469

申请日：2022-11-10

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：US20220310568A1

公开(公告)日：2022-09-29

申请号：US17696255

申请日：2022-03-16

Applicant: BOE Technology Group Co., Ltd.

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

IPC: H01L25/075 ,  H01L27/12 ,  H01L33/60 ,  H01L33/62

Abstract: A drive back plate is provided. The drive back plate includes a base substrate, and a drive circuit and a bonding structure disposed on the base substrate. The drive circuit includes a target drive structure, and a film layer disposed on at least one side of the target drive structure and adjacent to the target drive structure in the drive back plate is an inorganic insulating layer. The bonding structure is disposed on the same layer as the target drive structure, and the material of the bonding structure is the same as the material of the target drive structure.

公开(公告)号：US20220310011A1

公开(公告)日：2022-09-29

申请号：US17424176

申请日：2021-01-13

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G09G3/3233 ,  G09G3/20

Abstract: A pixel circuit includes a current control sub-circuit, a combined light emitting sub-circuit, and a first light emitting element to an Nth light emitting element, N being a natural number greater than 1. The current control sub-circuit is configured to receive a display data signal and a light emitting control signal, control whether to generate a driving current according to the light emitting control signal, and control a current intensity of the generated driving current according to the display data signal. The combined light emitting sub-circuit is configured to receive the driving current and a first light emitting data signal to an Nth light emitting data signal and drive one or more of the first light emitting element to the Nth light emitting element to emit light according to the first light emitting data signal to the Nth light emitting data signal.

公开(公告)号：US20220277689A1

公开(公告)日：2022-09-01

申请号：US17744965

申请日：2022-05-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G09G3/32 ,  G11C19/28 ,  H01L25/075 ,  H01L27/02 ,  H01L27/12 ,  H01L33/62

Abstract: An array substrate includes pixel group(s) and pixel circuit group(s), each pixel group includes pixels, and each pixel includes sub-pixel(s). At least two pixel groups are arranged in a row direction; in a column direction, a length of a pixel group is greater than a length of a pixel circuit group electrically connected thereto; and orthographic projections of a sub-pixel and a pixel circuit group electrically connected to a pixel group to which the sub-pixel belongs on a plane does not overlap. Or, the at least two pixel groups are arranged in the column direction; in the row direction, a length of a pixel group is greater than a length of a pixel circuit group electrically connected thereto; and orthographic projections of a sub-pixel and a pixel circuit group electrically connected to a pixel group to which the sub-pixel belongs on another plane does not overlap.

公开(公告)号：US20220254858A1

公开(公告)日：2022-08-11

申请号：US17585026

申请日：2022-01-26

Applicant: BOE Technology Group Co., Ltd.

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

IPC: H01L27/32 ,  H01L51/52 ,  G09F9/30

Abstract: A display panel is provided. The display panel includes a base substrate and a plurality of display units disposed on the base substrate. The display unit includes a signal line, a light-emitting device and a drive unit. The light-emitting device is disposed in a flexible display region of the base substrate, the drive unit is disposed in a pixel circuit region of the base substrate, and the signal line is connected with the light-emitting device and the drive unit.

公开(公告)号：US20220238066A1

公开(公告)日：2022-07-28

申请号：US17491055

申请日：2021-09-30

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G09G3/32

Abstract: The present application discloses a driving circuit and a display panel. The driving circuit includes a driving current generation circuit and a light emitting time control circuit. The driving current generation circuit is connected to a first reference voltage terminal, a data voltage terminal and the light emitting time control circuit, and is configured to generate a driving current under the control of the first reference voltage terminal and the data voltage terminal, and transmit the driving current to the light emitting time control circuit. The light emitting time control circuit is connected to the driving current generation circuit, a time control signal terminal, a reference signal terminal and a light emitting element, and is configured to control a duration of transmitting the driving current to the light emitting element under the control of the time control signal terminal and the reference signal terminal.

公开(公告)号：US20210375700A1

公开(公告)日：2021-12-02

申请号：US17255079

申请日：2019-11-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H01L21/66 ,  H01L27/12 ,  H01L25/16

Abstract: The present disclosure provides a method for detecting resistance of a side trace of a display substrate and the display substrate, and belongs to the field of display technology. In the method for detecting resistance of a side trace of a display substrate, the display substrate includes: a base substrate including a first surface and a second surface opposite to each other; a plurality of first pads at intervals on the first surface; and a plurality of second pads at intervals on the second surface; the first pad is electrically connected to a corresponding second pad through a side trace; the method includes forming at least one detection unit; wherein forming the detection unit includes: connecting two first pads through a connection part; and detecting two second pads in the detection unit, and obtaining resistance of the detection unit to obtain the resistance of the side trace.