公开(公告)号：US20220181419A1

公开(公告)日：2022-06-09

申请号：US17599007

申请日：2021-02-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yuhan QIAN ,  Libin LIU ,  Jiangnan LU ,  Mei LI ,  Shiming SHI ,  Jie ZHANG

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/50

Abstract: A display substrate includes: a base substrate; a light-emitting unit in each pixel region and including a first electrode, an organic light-emitting layer, and a second electrode sequentially disposed in a direction away from the base substrate; an auxiliary conductive layer between the light-emitting unit and the base substrate; a pixel circuit in each pixel region and including a driving transistor. The auxiliary conductive layer is on a side of the pixel circuit away from the base substrate, the second electrode has a portion extending out of the pixel region and coupling to the auxiliary conductive layer through a via hole not overlapping the pixel region, the auxiliary conductive layer is insulated and spaced apart from the first electrode and has a mesh or chain shape, and a material of the auxiliary conductive layer is the same as a material of the first and second electrodes of the driving transistor.

公开(公告)号：US20220109033A1

公开(公告)日：2022-04-07

申请号：US17551341

申请日：2021-12-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lujiang HUANGFU ,  Xiaodan JIN ,  Yinan LIANG ,  Zhenzhen LI ,  Wenjing TAN ,  Libin LIU ,  Qian YANG ,  Hongli WANG

IPC: H01L27/32 ,  G02F1/1343 ,  G09G3/20

Abstract: A display substrate including a first display area including a plurality of first sub-pixels, a plurality of second sub-pixels and a plurality of third sub-pixels, wherein the display substrate includes a plurality of first pixel groups each of which includes two third sub-pixels, one first sub-pixel and one second sub-pixel, the two third sub-pixels are arranged adjacent to each other along a first direction, the one first sub-pixel and the one second sub-pixel are adjacent to at least one of the two third sub-pixels, located on both sides of a straight line passing centers of the two third sub-pixels, and arranged along a second direction different from the first direction; a size of the first sub-pixel and the second sub-pixel in the second direction is smaller than a size of the first sub-pixel and the second sub-pixel in the first direction, respectively.

公开(公告)号：US20210407563A1

公开(公告)日：2021-12-30

申请号：US16767755

申请日：2019-07-02

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guangliang SHANG ,  Xinshe YIN ,  Qian YANG ,  Libin LIU ,  Shiming SHI ,  Dawei WANG

IPC: G11C7/10 ,  G11C7/14 ,  G11C7/22 ,  G11C19/28

Abstract: Embodiments of the present disclosure disclose a shift register unit, a driving method thereof, and a device. The shift register unit includes an input circuit, a node control circuit, a first control output circuit, a second control output circuit and an output circuit. By providing the first control output circuit and the second control output circuit, the first control output circuit and the second control output circuit may operate alternately, so that the first control output circuit and the second control output circuit may have time for characteristics recovery respectively, thus improving the service life and output stability of the shift register unit.

公开(公告)号：US20210264859A1

公开(公告)日：2021-08-26

申请号：US17319243

申请日：2021-05-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Libin LIU ,  Yu FENG ,  Ming Che HSIEH

IPC: G09G3/3258 ,  G09G3/3291

Abstract: A display screen, a display device, a display circuit used for the display screen and a brightness compensation method therefor. The display screen (10) includes a normal display area (11) and a transparent display area (12). The display circuit (20) includes: a first pixel circuit (21), wherein the first pixel circuit is arranged at the normal display area; and a second pixel circuit (22), wherein the second pixel circuit is arranged at the transparent display area. The structure of the first pixel circuit is different from that of the second pixel circuit, so that the light transmittance of the transparent display area is higher than the light transmittance of the normal display area.

公开(公告)号：US20210193778A1

公开(公告)日：2021-06-24

申请号：US17038305

申请日：2020-09-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Li WANG ,  Libin LIU

IPC: H01L27/32

Abstract: The present disclosure provides a display substrate and a display device. The display substrate includes a first reference voltage line, a second reference voltage line and a first reference voltage auxiliary line, the first reference voltage line, the second reference voltage line and the first reference voltage auxiliary line are respectively disposed in one of a second wiring layer, a third wiring layer and a fourth wiring layer, the first reference voltage line is electrically coupled to the first reference voltage auxiliary line through via holes penetrating an insulating layer therebetween, the first reference voltage line and the first reference voltage auxiliary line extend in different directions, the second reference voltage line and the first reference voltage auxiliary line extend in a same direction, the first reference voltage line extends in a row or column direction, and the second reference voltage line extends in the row or column direction.

公开(公告)号：US20210005144A1

公开(公告)日：2021-01-07

申请号：US16766020

申请日：2019-07-01

Applicant: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yue LONG ,  Chao ZENG ,  Yao HUANG ,  Meng LI ,  Weiyun HUANG ,  Libin LIU

IPC: G09G3/3266 ,  G09G3/3291 ,  G09G3/3233

Abstract: A display panel and a display device are disclosed, the display panel includes a plurality of display regions, a peripheral region surrounding the plurality of display regions, a plurality of light-emission control scan driving circuits provided in the peripheral region, a first start signal line, and a second start signal line. The first start signal line is different from the second start signal line, the plurality of display regions include a first display region and a second display region, the plurality of light-emission control scan driving circuits include a first light-emission control scan driving circuit and a second light-emission control scan driving circuit, the first start signal line is configured to provide a first start signal to the first light-emission control scan driving circuit, and the second start signal line is configured to provide a second start signal to the second light-emission control scan driving circuit.

公开(公告)号：US20200212125A1

公开(公告)日：2020-07-02

申请号：US16622045

申请日：2018-12-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Libin LIU ,  Qian YANG ,  Hongli WANG ,  Lujiang HUANGFU

IPC: H01L27/32 ,  H01L51/52

Abstract: A display substrate and a display device. The display substrate includes a first sub-pixel, a second sub-pixel, and a first spacer. A line connecting the center of the first sub-pixel and the center of the second sub-pixel is a center line; the center line is not perpendicular to a first direction; the first direction is at least one of the row direction or the column direction. The first spacer is disposed between the first sub-pixel and the second sub-pixel, and the extension direction of first spacer between the first sub-pixel and the second sub-pixel is not perpendicular to the first direction.

公开(公告)号：US20190061100A1

公开(公告)日：2019-02-28

申请号：US15545074

申请日：2017-02-16

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

Inventor： Qiang WANG ,  Libin LIU

IPC: B24B49/04 ,  B24B9/10 ,  B24B49/10

CPC classification number: B24B49/04 ,  B24B9/10 ,  B24B21/02 ,  B24B49/10

Abstract: A substrate, an edge polishing detection method and device and a positioning method and device for the same, an exposure apparatus and an evaporation device are provided. The substrate includes a base substrate and at least one edge polishing detection pattern on the base substrate. The at least one edge polishing detection pattern is provided at an edge of the base substrate and made of a conductive material.

公开(公告)号：US20180233549A1

公开(公告)日：2018-08-16

申请号：US15920669

申请日：2018-03-14

Applicant: Boe Technology Group Co., Ltd.

Inventor： Libin LIU ,  Xiaowei Xu ,  Liangjian Li

IPC: H01L27/32 ,  H01L51/56

CPC classification number: H01L27/3246 ,  H01L27/32 ,  H01L27/3276 ,  H01L51/56 ,  H01L2227/323

Abstract: An organic light emitting display panel and manufacturing method thereof and a display device, which can reduce the critical dimension bias of the pixel defining layer and improve the display uniformity is disclosed. The organic light emitting display panel includes a pixel defining layer, which is provided with a plurality of light emitting material filling areas, a metal layer provided on the pixel defining layer; the metal layer is provided with openings corresponding to the light emitting material filling areas respectively. The display effect of the organic light emitting display device is thereby improved.

公开(公告)号：US20180204769A1

公开(公告)日：2018-07-19

申请号：US15104551

申请日：2015-10-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaowei XU ,  Libin LIU ,  Liangjian LI ,  Chunping LONG

IPC: H01L21/77 ,  H01L23/552 ,  H01L27/12 ,  H01L27/32

CPC classification number: H01L21/77 ,  H01L23/552 ,  H01L27/12 ,  H01L27/32 ,  H01L27/3258 ,  H01L27/3272

Abstract: The present disclosure provides a Low Temperature Poly Silicon (LTPS) backboard, a method for manufacturing the LTPS, and a light-emitting device. The LTPS backboard includes: a base substrate, and a thin film transistor (TFT) and a light blocking layer that are arranged above the base substrate, wherein the light blocking layer is arranged above the TFT, and the light blocking layer is configured for preventing an irradiation light from irradiating onto the TFT.