公开(公告)号：US10013946B2

公开(公告)日：2018-07-03

申请号：US15126641

申请日：2015-12-31

Applicant: BOE Technology Group Co., Ltd.

Inventor： Feng Liao ,  Guangliang Shang ,  Kuanjun Peng

IPC: G09G3/30 ,  G09G3/36 ,  G06F3/038 ,  G09G5/00 ,  G09G3/38 ,  G09G3/3233

CPC classification number: G09G3/38 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0262 ,  G09G2320/0233 ,  G09G2320/029 ,  G09G2320/043 ,  G09G2320/045 ,  G09G2360/16

Abstract: The present disclosure discloses a pixel driving circuit and a driving method thereof, a display panel and a display apparatus, and relates to a field of display technology, in order to solve a problem of the conventional light-emitting element being unable to emit light within a short period of time during which no current flows through the light-emitting element so that the conventional display apparatus has a bad display effect. The pixel driving circuit comprises a first input module, a second input module, a charging module for charging a storage module, the storage module for storing quantity of electricity between a compensation module and a light-emitting element, a power supply control module, the compensation module, a driving module for providing the light-emitting element with a signal of a DC power supply signal terminal and a light-emitting element. The pixel driving circuit provided by the present disclosure is applied in the display apparatus.

公开(公告)号：US10510307B2

公开(公告)日：2019-12-17

申请号：US15755874

申请日：2017-09-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Feng Liao ,  Xue Dong ,  Jing Lv ,  Yunsik Im

IPC: G09G3/36 ,  G02F1/1335

Abstract: The embodiments of the present disclosure provide an array substrate. The array substrate includes a plurality of pixel groups arranged along a column direction. Each of the plurality of pixel groups includes a plurality of sub-pixel rows. Each sub-pixel row includes a plurality of sub-pixels, a first shelter or a second shelter is arranged between two adjacent sub-pixels, and the first shelter and the second shelter are arranged alternately. The first shelter has a first width, and the second shelter has a second width. For each pixel group, the first shelters on at least one of the sub-pixel rows are aligned with the second shelters on at least one of other sub-pixel rows.

公开(公告)号：US10347177B2

公开(公告)日：2019-07-09

申请号：US15168886

申请日：2016-05-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.

Inventor： Yuting Zhang ,  Feng Liao ,  Zhongyuan Wu ,  Pan Xu

IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3233

Abstract: The present invention provides a pixel driving circuit, a driving method thereof, and a display device. The pixel driving circuit of the present invention comprises a data writing unit, a threshold compensation unit, a driving unit, a light-emitting unit, and a voltage stabilizing unit; the data writing unit is connected with a first node, a scan signal line and a data signal line; the first node is a connection node between the data writing unit and the driving unit; the threshold compensation unit is connected with the first node, a first control signal line, a first voltage terminal and the driving unit; the driving unit is connected with the light-emitting unit; and the voltage stabilizing unit is connected with the data writing unit, a second control signal line and the first voltage terminal.

公开(公告)号：US11204529B2

公开(公告)日：2021-12-21

申请号：US16642210

申请日：2019-03-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shunhang Zhang ,  Shiyu Zhang ,  Yoonsung Um ,  Yunsik Im ,  Feng Liao

IPC: G02F1/1343 ,  G02F1/1335 ,  G02F1/1339 ,  G02F1/1341 ,  G02F1/137 ,  G02F1/1333 ,  G02F1/1337

Abstract: A display panel and a method for manufacturing a display device are provided. The display panel includes an array substrate, a color film substrate assembled with the array substrate, and liquid crystal molecules sealed between the array substrate and the color film substrate. The array substrate comprises a pixel electrode and a common electrode, orthographic projections of the pixel electrode and the common electrode on the base substrate of the array substrate have an overlapping region, and the liquid crystal molecules have an azimuth angle of 90 degree. As a result, the display panel can have a faster response speed and is applicable to scenarios that require fast and frequent image switching.

公开(公告)号：US11175541B2

公开(公告)日：2021-11-16

申请号：US17264826

申请日：2020-05-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yang Yue ,  Hongrun Wang ,  Qi Yao ,  Tong Yang ,  Xiang Li ,  Yong Yu ,  Haitao Huang ,  Chuanxiang Xu ,  Feng Liao

IPC: G02F1/1339 ,  G02F1/1337

Abstract: A display substrate and a preparation method therefor, a display panel and a display device. The display substrate includes a plurality of pixel regions arranged in an array. The display substrate includes: a base; pixel electrodes provided on the base and located in the pixel regions; separation columns provided on the base and located between two adjacent pixel regions in the row direction, side surfaces of the separation columns having hydrophobic characteristics; and an alignment film provided on the pixel electrodes and located in the pixel regions, where edges of two opposite sides of the alignment film in the row direction are in contact with a side surface of the separation columns, and a surface of the alignment film on a side facing away from the base has a shape of gradually protruding from both sides toward the middle in the row direction.