公开(公告)号：US11796877B2

公开(公告)日：2023-10-24

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 ,  H10K59/131

CPC classification number: G02F1/136286 ,  H10K59/131

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：US11688347B2

公开(公告)日：2023-06-27

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

CPC classification number: 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：US11688336B2

公开(公告)日：2023-06-27

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

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 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：US11670643B2

公开(公告)日：2023-06-06

申请号：US17500748

申请日：2021-10-13

Applicant: BOE Technology Group Co., Ltd.

Inventor： Dongni Liu ,  Liang Chen ,  Minghua Xuan ,  Haoliang Zheng ,  Qi Qi ,  Jing Liu

IPC: G09G3/32 ,  G09G3/34 ,  H01L27/12 ,  H01L25/16

CPC classification number: H01L27/124 ,  G09G3/32 ,  G09G3/3446 ,  G09G3/3453 ,  H01L25/167 ,  G09G2300/0426 ,  G09G2300/0465 ,  G09G2300/0809

Abstract: A driving backplane, a display panel and a display device are disclosed. The driving backplane includes: a base substrate; a plurality of pixel driving circuits located on the base substrate; an electrode located on a side of each of the pixel driving circuits facing away from the base substrate and coupled with the pixel driving circuits; and a potential wire located between the electrode and the base substrate and coupled with the pixel driving circuits. Every at least two pixel driving circuits are coupled with a same signal line through a multiplexing controller, an orthographic projection of the controller on the base substrate completely falls into a range of a corresponding micro light emitting diode bonding region, and an orthographic projection of a control wire coupled with the controller on the base substrate completely falls into a range of an orthographic projection of the potential wire on the base substrate.

公开(公告)号：US11538406B2

公开(公告)日：2022-12-27

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：US11508294B2

公开(公告)日：2022-11-22

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：US11341920B2

公开(公告)日：2022-05-24

申请号：US17407156

申请日：2021-08-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Dongni Liu ,  Haoliang Zheng ,  Minghua Xuan

IPC: G09G3/3258 ,  G09G3/3291

Abstract: A pixel circuit, a driving method thereof and electronic device, relates to the technical field of display configured for. The pixel circuit comprises a driving sub-circuit comprising a control terminal, a first terminal and a second terminal, the driving sub-circuit being configured to control a driving signal flowing through the first terminal and the second terminal according to a signal of the control terminal; a voltage division control sub-circuit configured to conduct voltage division on an input data signal in response to a first scanning signal to obtain a voltage division signal, and write the voltage division signal to the first terminal of the driving sub-circuit; and a compensation sub-circuit coupled to the control terminal of the driving sub-circuit and the second terminal of the driving sub-circuit, and configured to write voltage division signal passing through driving sub-circuit to control terminal of driving sub-circuit in response to first scanning signal.

公开(公告)号：US11217150B2

公开(公告)日：2022-01-04

申请号：US16485994

申请日：2018-09-06

Applicant: BOE Technology Group Co., Ltd.

Inventor： Mingfu Han ,  Guangliang Shang ,  Xing Yao ,  Haoliang Zheng

IPC: G09G3/36 ,  G11C19/28 ,  G09G3/32

Abstract: The present application discloses a gate driver on array (GOA) circuit of a display panel. The GOA circuit includes a first GOA unit comprising a unit-circuitry structure having a pull-up node commonly coupled to three output transistors to control outputting of a first set of three gate-driving signals respectively to a first set of three gate lines associated with the display panel. The GOA circuit additionally includes a second GOA unit comprising a substantially same unit-circuitry structure cascaded with the first GOA unit and configured to control outputting a second set of three gate-driving signals respectively to a second set of three gate lines associated with the display panel. Moreover, the GOA circuit includes a capacitor connected from one in the second set of three output terminals of the second GOA unit to the pull-up node of the first GOA unit.

公开(公告)号：US20210356785A1

公开(公告)日：2021-11-18

申请号：US16344023

申请日：2018-09-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Lijun Yuan ,  Mingfu Han ,  Haoliang Zheng ,  Guangliang Shang ,  Xing Yao ,  Shunhang Zhang

IPC: G02F1/1368 ,  G02F1/133

Abstract: The present application discloses a pixel array substrate. The pixel array substrate includes a plurality of pixels arranged in an array having multiple data-input terminals. N columns of subpixels per each column of pixels are associated with N sets of M numbers of data lines. N is an integer equal to and greater than 1 and M is an even number equal to or greater than 2. The pixel array substrate also includes N sets of M numbers of switches coupled respectively to the N sets of M numbers of data lines. Control terminals of each set of M numbers of switches are respectively coupled to M numbers of clock-signal terminals to receive respective clock control signals to control M groups of subpixels in each corresponding one column of subpixels for connecting with one of the multiple data-input terminals respectively via each corresponding set of M numbers of data lines.

公开(公告)号：US11012274B2

公开(公告)日：2021-05-18

申请号：US16414478

申请日：2019-05-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lijun Yuan ,  Haoliang Zheng ,  Guangliang Shang ,  Xing Yao ,  Mingfu Han

IPC: H04L27/26 ,  H03D1/22

Abstract: A demultiplexer includes a voltage boost circuit and at least one data selection output circuit. The voltage boost circuit is coupled to N second-stage selection signal input terminals and N first-stage selection signal input terminals, N is greater than or equal to 2, and N is a positive integer. Each data selection output circuit is coupled to a data input terminal, N data output terminals and the N first-stage selection signal input terminals.