公开(公告)号：US12007587B2

公开(公告)日：2024-06-11

申请号：US17435312

申请日：2020-11-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jinye Zhu ,  Sen Ma ,  Zhichong Wang ,  Tao Hong ,  Junxing Yang ,  Jing Yu ,  Tianyang Han

IPC: G02B30/31 ,  G02F1/133 ,  G02F1/1343

CPC classification number: G02B30/31 ,  G02F1/13306 ,  G02F1/134309

Abstract: The present disclosure provides a grating including: a first substrate including stacked first and second electrode layers each including strip-shaped electrodes with an identical width, strip-shaped electrodes in the first and second electrode layers arranged alternately; a second substrate opposite to the first substrate with a liquid crystal layer therebetween; driving modules for driving the strip-shaped electrodes to form light shading parts and light transmission parts, one light shading part and one adjacent light transmission part defining a grating unit, at least one grating unit defining a grating part, the driving modules arranged in one-to-one correspondence with the grating parts; and a control module for generating driving signals in one-to-one correspondence with the driving modules according to a distance between the human eyes and the grating, thereby changing a width of the grating unit corresponding to a crosstalk position. A 3D display device and a grating driving method are provided.

公开(公告)号：US11741909B2

公开(公告)日：2023-08-29

申请号：US17851440

申请日：2022-06-28

Applicant: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhichong Wang

IPC: G09G3/3275

CPC classification number: G09G3/3275 ,  G09G2320/0257 ,  G09G2330/02

Abstract: A pixel circuit and a driving method therefor, and a display substrate and a display device are disclosed. The pixel circuit includes a compensation circuit. The compensation circuit may output an initial power supply signal to a first node, and a driving circuit may drive a light-emitting element to emit light according to a potential of the first node and a second power supply signal provided by a second power supply end. And, each driving circuit which the display panel includes may start to work from the same bias situation and drive the corresponding light-emitting element to emit light.

公开(公告)号：US11696471B2

公开(公告)日：2023-07-04

申请号：US17212009

申请日：2021-03-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhichong Wang

IPC: H01L29/12 ,  H10K59/121 ,  H10K59/131

CPC classification number: H10K59/1216 ,  H10K59/1213 ,  H10K59/131

Abstract: The disclosure discloses an array substrate, an OLED display panel and a display device. A storage capacitor includes a first capacitor and a second capacitor which are connected in parallel, wherein the first capacitor includes a storage electrode and a first electrode, a layer where the first electrode is located is same as a layer where the grid electrode of the driving transistor is located, the second capacitor includes the storage electrode and a second electrode, a layer where the second electrode is located is same as a layer where the power supply voltage line is located, and the first electrode and the second electrode are electrically connected through a via hole penetrating through a first insulating layer and a second insulating layer.

公开(公告)号：US11538786B2

公开(公告)日：2022-12-27

申请号：US16649801

申请日：2019-03-19

Applicant: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xinglong Luan ,  Jing Feng ,  Fuqiang Li ,  Zhichong Wang ,  Peng Liu ,  Wusheng Li ,  Chunjing Liu

IPC: H01L23/00 ,  H01L21/67 ,  H01L21/68 ,  H01L33/00 ,  H01S3/10 ,  G02B26/08 ,  H01L25/075

Abstract: A transfer printing method and a transfer printing apparatus. The transfer method includes: transferring a plurality of devices formed on an original substrate to a transfer substrate; obtaining first position information of positions of the plurality of devices on the transfer substrate; obtaining second position information of corresponding positions, on a target substrate, of devices to be transferred; comparing the first position information with the second position information to obtain first target position information recording a first transfer position; and aligning the transfer substrate with the target substrate and performing a site-designated laser irradiation on at least part of devices on the transfer substrate corresponding to the first transfer position, simultaneously, according to the first target position information, so as to transfer the at least part of the devices from the transfer substrate to the target substrate.

公开(公告)号：US11495178B2

公开(公告)日：2022-11-08

申请号：US17243915

申请日：2021-04-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhichong Wang ,  Fuqiang Li ,  Peng Liu ,  Xinglong Luan ,  Jing Feng

IPC: G09G3/3258 ,  G09G3/3291 ,  H01L27/32

Abstract: A pixel circuit includes a data writing sub-circuit, a light-emitting control sub-circuit and a driving sub-circuit. The data writing sub-circuit is connected to the driving sub-circuit, and is configured to write a data voltage signal into the driving sub-circuit and compensate it, in response to a first gate signal and a second gate signal. The light-emitting control sub-circuit is connected to the driving sub-circuit, and is configured to close a line between a first power supply voltage terminal and a second power supply voltage terminal, in response to a first enable signal and a second enable signal. The driving sub-circuit is configured to provide a driving current to a light-emitting device through the closed line according to the written data voltage signal. Phases of the first enable signal and the first gate signal are opposite, and phases of the second enable signal and the second gate signal are opposite.

公开(公告)号：US11417280B2

公开(公告)日：2022-08-16

申请号：US17256184

申请日：2020-02-04

Applicant: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhichong Wang

IPC: G09G3/3275

Abstract: A pixel circuit and a driving method therefor, and a display substrate and a display device are disclosed. The pixel circuit includes a compensation circuit. The compensation circuit may output an initial power supply signal to a first node, and a driving circuit may drive a light-emitting element to emit light according to a potential of the first node and a second power supply signal provided by a second power supply end. And, each driving circuit which the display panel includes may start to work from the same bias situation and drive the corresponding light-emitting element to emit light.

公开(公告)号：US11361703B2

公开(公告)日：2022-06-14

申请号：US16650306

申请日：2019-03-28

Applicant: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Peng Liu ,  Bailing Liu ,  Fuqiang Li ,  Zhichong Wang ,  Jing Feng ,  Xinglong Luan

IPC: G09G5/00 ,  G09G3/20 ,  G11C19/28 ,  G09G3/3266 ,  G09G3/36

Abstract: A gate driving unit, a gate driving method, a gate driving circuit, a display panel and a display device are provided. The gate driving unit includes a start terminal, a first gate driving signal output terminal, a second gate driving signal output terminal, a pull-up control node control circuit, a pull-up node control circuit, configured to control a potential of a first pull-up node and a potential of a second pull-up node based on the potential of the pull-up control node, a first gate driving signal output circuit, a second gate driving signal output circuit, and a pull-down node control circuit, configured to control and maintain the potential of the pull-down node under the control of a third clock signal and a fourth clock signal, and control to reset the potential of the pull-down node under the control of the potential of the pull-up control node.

公开(公告)号：US10902810B2

公开(公告)日：2021-01-26

申请号：US15751066

申请日：2017-07-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Mingfu Han ,  Guangliang Shang ,  Xing Yao ,  Seung Woo Han ,  Jiha Kim ,  Haoliang Zheng ,  Lijun Yuan ,  Zhichong Wang

IPC: G09G3/36

Abstract: The present disclosure relates to an array substrate gate driving unit and an apparatus thereof, a driving method and a display apparatus. The array substrate gate driving unit includes: an input circuit, connected with an input signal terminal and a pull-up node PU; a pull-down circuit, connected with a first voltage signal terminal and the pull-up node PU; a pull-down control circuit, connected with the pull-down circuit via a pull-down node PD; an output circuit, connected with a clock signal terminal CLK, a second voltage signal terminal and a control circuit; a reset circuit, connected with a reset signal terminal Reset, the first voltage signal terminal and the pull-up node PU; and the control circuit, connected with the pull-up node PU and the output circuit.

公开(公告)号：US10679565B2

公开(公告)日：2020-06-09

申请号：US16063448

申请日：2017-11-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiha Kim ,  Seung Woo Han ,  Guangliang Shang ,  Haoliang Zheng ,  Xing Yao ,  Mingfu Han ,  Zhichong Wang ,  Lijun Yuan ,  Yun Sik Im ,  Yinglong Huang ,  Xue Dong

IPC: G09G3/3266 ,  G11C19/28 ,  H01L27/12 ,  G09G3/3208

Abstract: An array substrate, a display panel, a display device and a driving method. The array substrate includes: a plurality of first pixel units arranged in an array in a first region; a first gate driving circuit a second gate driving circuit; a plurality of first gate lines connected with the first gate driving circuit; and a plurality of second gate lines connected with the second gate driving circuit. A first portion of the plurality of first pixel units is connected with the plurality of first gate lines, and each first pixel unit in the first portion is connected with one of the plurality of first gate lines; and a second portion of the plurality of first pixel units is connected with the plurality of second gate lines, and each first pixel unit in the second portion is connected with one of the plurality of second gate lines.

公开(公告)号：US10235919B2

公开(公告)日：2019-03-19

申请号：US15577402

申请日：2017-05-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guangliang Shang ,  Xing Yao ,  Mingfu Han ,  Seung-Woo Han ,  Yun-Sik Im ,  Jing Lv ,  Yinglong Huang ,  Jung-Mok Jun ,  Xue Dong ,  Haoliang Zheng ,  Lijun Yuan ,  Zhichong Wang ,  Ji Ha Kim

IPC: G09G3/20 ,  G11C19/28

Abstract: A GOA signal determining circuit and method thereof, gate driver circuit, and display device are provided. The GOA signal determining circuit is connected to an input end of a GOA unit, at least two clock signal ends of the GOA unit, and a control end of a reset unit of a PU node in the GOA unit. The GOA signal determining circuit detects a signal of the input end of the GOA unit and a signal of the at least two clock signal ends of the GOA unit, and outputs a control signal to the reset unit of the PU node to control the reset unit to output a reset signal to the PU node to turn off an output transistor of the GOA unit, upon determining both of the signal of the input end and the signal of the at least two clock signal ends are abnormal.