公开(公告)号：US11871625B2

公开(公告)日：2024-01-09

申请号：US17266625

申请日：2020-03-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pengcheng Lu ,  Shengji Yang ,  Kuanta Huang ,  Xiaochuan Chen ,  Yage Song ,  Yanming Wang ,  Hui Wang ,  Dongdong Duan ,  Jiantong Li ,  Xiao Bai ,  Yunlong Li ,  Shuai Tian ,  Zhijian Zhu ,  Yu Ao ,  Junbo Wei ,  Chao Pu ,  Yuanlan Tian

IPC: H01L23/00 ,  H10K59/131 ,  H10K59/12

CPC classification number: H10K59/131 ,  H10K59/1201

Abstract: Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a silicon-based substrate and an array structure layer arranged on the silicon-based substrate; a driving transistor and a first power line being arranged in the silicon-based substrate in the display area, a light emitting element being disposed on the array structure layer in the display area, a first electrode of the driving transistor being connected with the first power line, and a second electrode of the driving transistor being connected with an anode of the light emitting element; a power supply electrode and a second power line being arranged in the silicon-based substrate in the peripheral area, the power supply electrode being connected with the second power line.

公开(公告)号：US11864420B2

公开(公告)日：2024-01-02

申请号：US16958284

申请日：2019-08-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongsheng Li ,  Xiaochuan Chen ,  Shengji Yang ,  Kuanta Huang ,  Hui Wang ,  Xiaodan Zhang ,  Yanming Wang

IPC: H01L29/08 ,  H10K59/121 ,  H10K50/856 ,  H10K102/10

CPC classification number: H10K59/1213 ,  H10K50/856 ,  H10K59/1216 ,  H10K2102/102 ,  H10K2102/103

Abstract: A display panel and a manufacturing method thereof, and a display apparatus are provided. The display panel includes: a base substrate, a plurality of pixels, and a drive circuit. At least one of the pixels includes a light-emitting device; the light-emitting device includes an anode electrode and a light-emitting layer; the anode electrode includes a first transparent conductive layer and a metal layer, the first transparent conductive layer completely covers the metal layer, and an orthographic projection of the metal layer on the base substrate is located in an orthographic projection of the first transparent conductive layer on the base substrate; the light-emitting layer is stacked with the anode electrode and is located on a side of the first transparent conductive layer facing away from the metal layer; the drive circuit is located between the base substrate and the anode electrode.

公开(公告)号：US11656721B2

公开(公告)日：2023-05-23

申请号：US16606349

申请日：2019-02-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Xue Dong ,  Xiaochuan Chen ,  Hui Wang ,  Pengcheng Lu

IPC: G06F3/042 ,  G06F3/041 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/36

CPC classification number: G06F3/0421 ,  G06F3/04166 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/3677 ,  G09G3/3688 ,  G09G2354/00

Abstract: A pixel circuit, an array substrate, a display panel and a method of driving the same, and a display device. The pixel circuit includes: a light emitting device; a light sensitive touch control sub-circuit, connected to a first scan terminal, a second scan terminal, a data signal terminal and a signal reading line, the light sensitive touch control sub-circuit being configured to generate a detection signal based on a light intensity under a control of a first scan signal from the first scan terminal and a data signal from the data signal terminal and to output the detection signal through the signal reading line; and a light emitting driving control sub-circuit, connected to the first scan terminal, the second scan terminal and the data signal terminal, the light emitting driving control sub-circuit being configured to drive the light emitting device.

公开(公告)号：US11640080B2

公开(公告)日：2023-05-02

申请号：US17531278

申请日：2021-11-19

Applicant: Hefei BOE Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Yanni Liu ,  Hui Wang ,  Huijuan Yu ,  Yang Xue

IPC: G02F1/1335 ,  G02F1/13363 ,  G02F1/1337 ,  G02F1/137 ,  G02F1/1347

Abstract: A reflective display panel and a display device are provided. The reflective display includes: a first liquid crystal cell including a first substrate and a second substrate oppositely arranged to each other, and a first liquid crystal layer between the first substrate and the second substrate; a plurality of pixel units on the first substrate, where each pixel unit includes a first sub-pixel unit and a second sub-pixel unit; an optical structure, arranged at a light-emitting side of the first liquid crystal cell and covering the pixel units.

公开(公告)号：US11340734B2

公开(公告)日：2022-05-24

申请号：US16769735

申请日：2019-07-10

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Xiaochuan Chen ,  Hui Wang

IPC: G06F3/041 ,  G06F3/044 ,  G09G3/20 ,  G09G3/32 ,  H01L27/15 ,  H01L33/00 ,  H01L33/06 ,  H01L33/38

Abstract: A touch control micro light emitting diode (micro LED) display apparatus is provided. The touch control micro LED display apparatus includes a base substrate; a first electrode layer on the base substrate; a second electrode layer on a side of the first electrode layer away from the base substrate, wherein the second electrode layer includes a plurality of second electrodes spaced apart from each other; an insulating layer on a side of the second electrode layer away from the base substrate; and a third electrode layer on a side of the insulating layer away from the base substrate, wherein the third electrode layer includes a plurality of third electrodes spaced apart from each other. The touch control micro LED display apparatus is operated in a time-division driving mode including an image display mode and a touch control mode.

公开(公告)号：US11328656B2

公开(公告)日：2022-05-10

申请号：US17059922

申请日：2020-04-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji Yang ,  Xiaochuan Chen ,  Hui Wang ,  Pengcheng Lu ,  Kuanta Huang

IPC: G09G3/32

Abstract: A pixel driving circuit, a pixel driving method and a display device are provided. the pixel driving circuit includes a driving circuit and a light-emitting duration control circuit, a first end of the driving circuit is connected to a first voltage end, a second end of the driving circuit is connected to the light-emitting element, and the driving circuit is configured to control the first end and the second end to connect to each other; the light-emitting duration control circuit is configured to switch on or switch off a connection between the second end of the driving circuit and the light-emitting element, according to a control data voltage input by a control data line and a control initial voltage input by a control initial voltage end.

公开(公告)号：US11302869B2

公开(公告)日：2022-04-12

申请号：US16473950

申请日：2018-12-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengcheng Lu ,  Xiaochuan Chen ,  Shengji Yang ,  Kuanta Huang ,  Hui Wang ,  Yanming Wang ,  Weihai Wang ,  Guohong Qin ,  Yage Song ,  Jiantong Li

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

Abstract: A manufacturing method of a via-hole connection structure, a manufacturing method of an array substrate and an array substrate are provided by the embodiments of the present disclosure, and the manufacturing method of the via-hole connection structure includes: forming an insulation layer on a base substrate and forming a first via hole in the insulation layer; forming a connection portion in the first via hole; forming a protection layer covering the connection portion on a surface of the insulation layer; forming a second via hole in the insulation layer and in the protection layer; removing at least a portion of the protection layer to expose the connection portion.

公开(公告)号：US11287918B2

公开(公告)日：2022-03-29

申请号：US16912340

申请日：2020-06-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji Yang ,  Xiaochuan Chen ,  Hui Wang ,  Kuanta Huang ,  Pengcheng Lu

IPC: G06F3/044 ,  G09G3/32 ,  G09G3/3233 ,  H01L27/32 ,  G06F3/041 ,  H01L51/00 ,  H01L51/56

Abstract: A pressure sensing device, a display panel and a method of manufacturing the same, and a display device are provided. The pressure sensing device includes a columnar electrode assembly having at least one columnar electrode and at least one columnar insulating layer that are alternately stacked in an axial direction of a columnar electrode, and an annular electrode assembly that is disposed around the columnar electrode assembly. The annular electrode assembly includes at least one annular electrode and at least one annular insulating layer that are alternately stacked in the axial direction of the columnar electrode. The annular electrode assembly and the columnar electrode assembly are insulated from each other, and are configured to form a capacitor. At least one of the at least one annular insulating layer and the at least one columnar insulating layer is an elastic insulating layer.

公开(公告)号：US20220084465A1

公开(公告)日：2022-03-17

申请号：US17537154

申请日：2021-11-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Xue Dong ,  Xiaochuan Chen ,  Hui Wang ,  Pengcheng Lu

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275

Abstract: A display substrate and a display device are provided. The display substrate includes a plurality of driving circuits, wherein each of the driving circuits includes: a first sub-circuit, respectively coupled to a gate signal terminal, a data signal terminal and a light-emitting power source terminal, and configured to store a drive voltage based on a voltage at the data signal terminal when the gate signal terminal receives a gate drive signal, and output a drive current to a light-emitting device based on the stored drive voltage under power supply provided by the light-emitting power source terminal; and a second sub-circuit, configured to regulate an equivalent resistance value of the second sub-circuit in an output path through which the drive current is output to the light-emitting device, based on a voltage division control signal received by the voltage division control signal terminal.

公开(公告)号：US20220004304A1

公开(公告)日：2022-01-06

申请号：US16769735

申请日：2019-07-10

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Xiaochuan Chen ,  Hui Wang

IPC: G06F3/041 ,  H01L27/15 ,  H01L33/00 ,  H01L33/06 ,  H01L33/38 ,  G06F3/044 ,  G09G3/20 ,  G09G3/32

Abstract: A touch control micro light emitting diode (micro LED) display apparatus is provided. The touch control micro LED display apparatus includes a base substrate; a first electrode layer on the base substrate; a second electrode layer on a side of the first electrode layer away from the base substrate, wherein the second electrode layer includes a plurality of second electrodes spaced apart from each other; an insulating layer on a side of the second electrode layer away from the base substrate; and a third electrode layer on a side of the insulating layer away from the base substrate, wherein the third electrode layer includes a plurality of third electrodes spaced apart from each other. The touch control micro LED display apparatus is operated in a time-division driving mode including an image display mode and a touch control mode.