公开(公告)号：US11610943B2

公开(公告)日：2023-03-21

申请号：US16916205

申请日：2020-06-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongni Liu ,  Minghua Xuan ,  Li Xiao

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/00

Abstract: The present application relates to the field of display technology, and in particular, to a display panel, method for manufacturing a display panel and display device. The display panel includes: a base substrate; a pixel layer, provided on the base substrate and comprising a plurality of pixel islands; and a microlens layer, provided on a surface of the pixel layer facing away from the base substrate. Each of pixel islands includes a plurality of sub-pixels that emit light of a same color and are seamlessly coupled to each other, and the light emitted by the plurality of sub-pixels in each of the pixel islands is refracted by the microlens layer to be dispersed to different pixel areas.

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：US11374032B2

公开(公告)日：2022-06-28

申请号：US16642584

申请日：2019-02-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ming Yang ,  Minghua Xuan ,  Can Zhang ,  Can Wang ,  Han Yue ,  Ning Cong ,  Jiayao Liu ,  Wenqing Zhao ,  Li Xiao ,  Dongni Liu ,  Lei Wang ,  Liang Chen ,  Xiaochuan Chen ,  Shengji Yang ,  Pengcheng Lu

IPC: G02F1/1362 ,  G02F1/1343 ,  G02F1/1368 ,  H01L27/12 ,  G02B30/26 ,  G02F1/1335 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/36

Abstract: There is provided an array substrate including a plurality of pixel regions arranged in rows and columns. The plurality of pixel regions include a corresponding pixel electrode array and a corresponding pixel circuit associated with the corresponding pixel electrode array. Each of the pixel electrode arrays is arranged in rows and columns, and each pixel electrode array includes a plurality of pixel electrodes arranged in an array. The array substrate further includes a plurality of sets of gate lines extending in a row direction and a plurality of sets of data lines extending in a column direction. The plurality of sets of gate lines and rows of the pixel electrode arrays are alternately arranged with each other in the column direction. The plurality of sets of data lines and columns of the pixel regions are alternately arranged with each other in the row direction.

公开(公告)号：US11308876B2

公开(公告)日：2022-04-19

申请号：US16491547

申请日：2019-03-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongni Liu ,  Minghua Xuan ,  Xiaochuan Chen ,  Lei Wang ,  Zheng Fang ,  Li Xiao ,  Liang Chen ,  Shengji Yang ,  Pengcheng Lu

IPC: G09G3/3233

Abstract: A pixel driving circuit including: N pixel circuits each including a first node and a power supply terminal, N being an integer greater than 1; and N multiplexing circuits configured to selectively couple a data line to the first nodes of the N pixel circuits. A first one of the N multiplexing circuits includes a multiplexing control circuit, and a second one to an N-th one of the N multiplexing circuits include respective multiplexing control circuits and respective reset circuits. The reset circuit of a (j+1)-th one of the N multiplexing circuits is configured to reset the first node of a (j+1)-th one of the N pixel circuits with a power supply voltage in response to a j-th multiplexing control signal being active, j being an integer and 1≤j

公开(公告)号：US11227534B2

公开(公告)日：2022-01-18

申请号：US16611742

申请日：2019-03-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongni Liu ,  Lei Wang ,  Minghua Xuan ,  Xiaochuan Chen ,  Shengji Yang ,  Liang Chen ,  Li Xiao ,  Zheng Fang ,  Detao Zhao ,  Pengcheng Lu

IPC: G09G3/32

Abstract: A display driving circuit includes N levels of display driving sub-circuits and N levels of switching sub-circuits. Each display driving sub-circuit is connected to a corresponding switching sub-circuit. An nth-level display driving sub-circuit includes an nth-level gate driving sub-circuit and an nth-level light-emitting control sub-circuit. An nth-level switching sub-circuit includes an nth-level gate driving switching sub-circuit and an nth-level light-emitting, control switching sub-circuit. The nth-level gate driving switching sub-circuit is configured to enable an nth-level gate driving signal output end to be electrically connected to a (2n−1)th gate line or a 2nth gate line. The nth-level light-emitting control switching sub-circuit is configured to enable an nth-level light-emitting control signal output end to be electrically connected to a (2n−1)th light-emitting control line or a 2nth light-emitting control line, where N is an integer greater than 1, and n is a positive integer smaller than or equal to N.

公开(公告)号：US20210319748A1

公开(公告)日：2021-10-14

申请号：US17271737

申请日：2020-07-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Liang Chen ,  Lei Wang ,  Li Xiao ,  Minghua Xuan ,  Dongni Liu ,  Hao Chen

IPC: G09G3/3233

Abstract: A display substrate, includes: a plurality of pixel driving circuits; a plurality of groups of light-emitting driving signal lines, wherein each driving signal line group of the plurality of groups of light-emitting driving signal lines includes a plurality of light-emitting driving signal lines; and a plurality of pixel circuit multiplexing units coupled to the plurality of pixel driving circuits, respectively, wherein each pixel circuit multiplexing unit includes N light emitting units coupled to one of the plurality of pixel driving circuits and a group of light-emitting driving signal line.

公开(公告)号：US11112897B2

公开(公告)日：2021-09-07

申请号：US16622412

申请日：2019-05-15

Applicant: BOE Technology Group Co., Ltd.

Inventor： Liang Chen ,  Lei Wang ,  Detao Zhao ,  Huijuan Wang ,  Xiaochuan Chen ,  Minghua Xuan ,  Shengji Yang ,  Li Xiao ,  Dongni Liu

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

Abstract: A organic light-emitting display panel, a preparation method of the organic light-emitting display panel and a display device are provided. The preparation method of the organic light-emitting display panel includes: providing a base substrate; forming a plurality of touch electrode wirings, an organic functional layer, and a plurality of first electrodes sequentially on the base substrate, the plurality of the touch electrode wirings being electrically insulated from each other, the plurality of the first electrodes being electrically insulated from each other, and the plurality of the touch electrode wirings and the plurality of the first electrodes are in one-to-one correspondence, forming a first encapsulation structure on the plurality of the first electrodes, and then using a laser irradiation process to electrically connect the respective first electrodes with the touch electrode wirings corresponding thereto by via holes passing through the organic functional layer.

公开(公告)号：US11106296B2

公开(公告)日：2021-08-31

申请号：US16078061

申请日：2017-12-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji Yang ,  Xue Dong ,  Jing Lv ,  Xiaochuan Chen ,  Dongni Liu ,  Lei Wang ,  Pengcheng Lu ,  Jie Fu ,  Han Yue ,  Li Xiao

IPC: G06F3/041 ,  G06F3/044 ,  G09G3/36 ,  G09G3/3266

Abstract: A shift register unit includes an input circuit, a first control circuit, a second control circuit, a third control circuit, a first output circuit, and a second output circuit. The first and second output circuits selectively transfer a first reference voltage from a first reference voltage terminal and a third reference voltage from a third reference voltage terminal to an output terminal of the shift register unit. This allows the shift register unit to output a desired output signal in an easy manner.

公开(公告)号：US20210225224A1

公开(公告)日：2021-07-22

申请号：US17255529

申请日：2020-05-07

Applicant: BOE Technology Group Co., Ltd.

Inventor： Dongni Liu ,  Minghua Xuan ,  Han Yue ,  Li Xiao ,  Liang Chen ,  Hao Chen

IPC: G09G3/00 ,  G09G3/32

Abstract: A pixel circuit, a driving method thereof, and a display device are provided. The pixel circuit includes: a light-emitting assembly including a plurality of light-emitting elements; a driving sub-circuit electrically coupled to the light-emitting assembly and configured to generate driving current for driving the light-emitting assembly; and a repair sub-circuit electrically coupled to the light-emitting assembly and configured to: receive a repair scanning signal (Gate_R, Gate_Ri) and a repair data signal (Data_R, Data_Ri), and provide the driving current to at least one light-emitting element capable of emitting light normally among the plurality of light-emitting elements under the control of the repair scanning signal (Gate_R, Gate_Ri) and the repair data signal (Data_R, Data_Ri).