公开(公告)号：US20230178016A1

公开(公告)日：2023-06-08

申请号：US17615514

申请日：2021-01-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongni LIU ,  Qi Ql ,  Feng QU ,  Minghua XUAN ,  Haoliang ZHENG ,  Jiao ZHAO

IPC: G09G3/3233 ,  H10K59/131

CPC classification number: G09G3/3233 ,  H10K59/131 ,  G09G2300/0426 ,  G09G2320/0233

Abstract: An array substrate has a display area and a non-display area including a first bonding region. The array substrate includes: a plurality of pixel columns disposed in the display area, each of the plurality of pixel columns including a plurality of light-emitting units that are arranged in a second direction, the second direction being perpendicular to a direction in which an edge of the display area proximate to the first bonding region extends; and at least three first power supply input terminals disposed in the first bonding region, each first power supply input terminal being connected to at least one pixel column of the plurality of pixel columns, so as to provide a first power supply signal to the at least one pixel column.

公开(公告)号：US20220383799A1

公开(公告)日：2022-12-01

申请号：US16982062

申请日：2020-04-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Dongni LIU ,  Minghua XUAN ,  Li XIAO ,  Liang CHEN ,  Hao CHEN

IPC: G09G3/32

Abstract: The present disclosure proposes a pixel circuit, a control method thereof and a display panel. The pixel circuit includes a first light-emitting element, a pixel drive circuit connected with the first light-emitting element, a repair branch circuit connected with a node between the pixel drive circuit and the first light-emitting element, wherein the repair branch circuit includes a switch circuit and a second light-emitting element connected in series, and the switch circuit controls a connection or disconnection of the second light-emitting element with the pixel drive circuit; a control circuit connected with a control terminal of the switch circuit, a first data terminal and a first control terminal, the control circuit is configured to write a signal of the first data terminal to the control terminal of the switch circuit under a control of the first control terminal to control on or off of the switch circuit.

公开(公告)号：US20220319417A1

公开(公告)日：2022-10-06

申请号：US17309917

申请日：2020-09-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G09G3/3233 ,  G09G3/20

Abstract: The present disclosure provides a pixel driving circuit and a display panel. The pixel driving circuit includes: a data writing sub-circuit configured to transmit a data voltage signal to a first terminal of a driving sub-circuit in response to a first scanning signal; a threshold compensation sub-circuit configured to compensate for a threshold voltage of the driving sub-circuit in response to a second scanning signal; a storage sub-circuit configured to store the data voltage signal; the driving sub-circuit configured to provide a driving current for a light emitting device to be driven according to voltages of a first terminal and a control terminal of the driving sub-circuit; and a voltage maintaining sub-circuit configured to maintain the voltage of the control terminal of the driving sub-circuit when the voltage of the first terminal of the driving sub-circuit jumps.

公开(公告)号：US20220215793A1

公开(公告)日：2022-07-07

申请号：US17509899

申请日：2021-10-25

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G09G3/32

Abstract: The present disclosure provides a display apparatus, a pixel circuit and a method of driving a pixel circuit. In one or more embodiments, the pixel circuit includes a driving transistor, a data signal module and a bias signal module. A first electrode of the driving transistor is connected with a first power signal terminal, a second electrode of the driving transistor is connected with a first terminal of a light emitting element, and the driving transistor includes a first control electrode and a second control electrode. The data signal module is connected with the driving transistor, a data writing signal terminal and a data signal terminal. The bias signal module is connected with the driving transistor, a bias writing signal terminal and a bias signal terminal, and is configured to adjust a threshold voltage of the driving transistor under control of the bias writing signal terminal and the bias signal terminal.

公开(公告)号：US20220130331A1

公开(公告)日：2022-04-28

申请号：US17407147

申请日：2021-08-19

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G09G3/3233 ,  G09G3/3291

Abstract: A pixel circuit, a driving method thereof and a light emitting device, and relates to the technical field of display. The pixel circuit comprises driving sub-circuit comprising a control terminal, first terminal and a second terminal, driving sub-circuit being configured to control driving signal flowing through the first terminal and second terminal according to signal of control terminal; first capacitor comprising first pole and second pole coupled to control terminal of driving sub-circuit; first data writing sub-circuit configured to write first initialization signal to first pole of first capacitor in response to first scanning signal, write first data signal into driving sub-circuit in response to first scanning signal, so that signal of control signal of driving sub-circuit changes with first data signal; second data writing sub-circuit configured to write second data signal to first pole of first capacitor in response to second scanning signal.

公开(公告)号：US20210366378A1

公开(公告)日：2021-11-25

申请号：US17254069

申请日：2019-11-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD

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

IPC: G09G3/3225 ,  G09F9/302

Abstract: The present application provides a display substrate, a display panel and a spliced screen, and belongs to the field of display technology. The display substrate in the present application is divided into display and boding regions, and includes a base substrate, and a pixel driving circuit on the base substrate and corresponding to the display region, The display substrate further includes an interlayer insulating layer and a signal lead-in wire on the base substrate. The signal lead-in wire at least includes a first signal lead-in sub-wire on a side of the interlayer insulating layer away from the base substrate. The first signal lead-in sub-wire is connected to a first connection pad in the bonding region for introducing an external signal to the pixel driving circuit. The interlayer insulating layer includes sub-insulating layers defining a multi-stepped structure at a position where the display region is adjacent to the bonding region.

公开(公告)号：US20210342035A1

公开(公告)日：2021-11-04

申请号：US16606385

申请日：2019-03-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Detao ZHAO ,  Ming YANG ,  Han YUE ,  Dongni LIU ,  Li XIAO ,  Lei WANG ,  Minghua XUAN ,  Xiaochuan CHEN

IPC: G06F3/044 ,  G09G3/3241

Abstract: A touch display substrate, including touch electrodes, touch lines and sub-pixels, each sub-pixel includes a storage capacitor, a driving transistor, a switching element and a light emitting element, a first electrode and a second electrode of the storage capacitor are coupled to a gate electrode and a first electrode of the driving transistor, respectively, and a second electrode of the driving transistor, the switching element and the light emitting element are sequentially coupled in series, each touch electrode is coupled to one corresponding touch line through a via hole in an insulating layer between said each touch electrode and the corresponding touch line, and each touch electrode is formed by the second electrode of the storage capacitor in at least one sub-pixel, during a touch stage, the switching element decouples electrical coupling between the second electrode of the driving transistor and the light emitting element.

公开(公告)号：US20210217353A1

公开(公告)日：2021-07-15

申请号：US16976858

申请日：2019-11-29

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 has a display area, and the array substrate includes at least one pixel group and at least one pixel circuit group. The at least one pixel group is disposed in the display area, and each pixel group includes a plurality of pixels arranged in an array. Each pixel circuit group is disposed between two adjacent rows of pixels or two adjacent columns of pixels in a corresponding pixel group.

公开(公告)号：US20210208715A1

公开(公告)日：2021-07-08

申请号：US16074107

申请日：2018-01-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji YANG ,  Xue DONG ,  Xiaochuan CHEN ,  Minghua XUAN ,  Lei WANG ,  Jie FU ,  Li XIAO ,  Pengcheng LU ,  Dongni LIU

IPC: G06F3/041 ,  G06F3/044 ,  H01L27/32 ,  H01L51/52

Abstract: An OLED touch display panel and a touch display device are disclosed. The OLED touch display panel includes a TFT back plate and a cathode layer disposed on the TFT back plate. The cathode layer includes a plurality of touch leads which are insulated from each other and a plurality of self-capacitance electrodes which are insulated from each other and arranged in a form of a matrix. The touch leads extend to a non-display region of the OLED touch display panel. Each one of the touch leads is connected with one of the self-capacitance electrodes, and resistance values of the touch leads connected with the self-capacitance electrodes of a same row are all consistent.

公开(公告)号：US20210193022A1

公开(公告)日：2021-06-24

申请号：US16894902

申请日：2020-06-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Minghua XUAN ,  Xiaochuan CHEN ,  Han YUE ,  Ning CONG ,  Dongni LIU ,  Qi QI ,  Jing LIU

IPC: G09G3/32

Abstract: Provided are a pixel circuit, a driving method thereof and a display device. The pixel circuit includes a first charging sub-circuit, a second charging sub-circuit, a first storage sub-circuit, a first switching sub-circuit, a second switching sub-circuit and a light emitting sub-circuit. The first charging sub-circuit is configured to provide a signal of a first data signal terminal to a first node under control of a scanning signal terminal, and after providing the signal of the first data signal terminal, provide a signal of a second data signal terminal to the first node under control of a light emitting control terminal.