公开(公告)号：US20240204004A1

公开(公告)日：2024-06-20

申请号：US17910133

申请日：2021-12-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hehe HU ,  Yan QU ,  Jiayu HE ,  Kun ZHAO ,  Jie HUANG ,  Zhengliang LI ,  Ce NING ,  Dongfang WANG ,  Fengjuan LIU ,  Nianqi YAO ,  Feifei LI ,  Shunhang ZHANG ,  Yunsik IM ,  Liping LEI

IPC: H01L27/12

CPC classification number: H01L27/124 ,  H01L27/1259 ,  H01L27/1222

Abstract: Provided are a thin-film transistor and a manufacturing method thereof, and a display substrate, belonging to the technical field of thin-film transistors. The thin-film transistor includes: a base substrate; a gate electrode on the base substrate; an active layer on a side of the gate electrode away from the base substrate, an orthographic projection of the active layer onto the base substrate overlapping with an orthographic projection of the gate electrode onto the base substrate; and a first electrode and a second electrode on a side of the active layer away from the base substrate, the first electrode being one of a source electrode and a drain electrode, and the second electrode being the other of the source electrode and the drain electrode. Specifically the active layer includes a channel region corresponding to a gap between the first electrode and the second electrode, and a width direction of the channel region is perpendicular or substantially perpendicular to an extending direction of the gate electrode. According to the embodiments of the present disclosure, the illumination stability of the thin-film transistor can be improved without reducing the transmittance of the substrate.

公开(公告)号：US20240192559A1

公开(公告)日：2024-06-13

申请号：US17758122

申请日：2021-08-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hui ZHANG ,  Liwei LIU ,  Kai HOU ,  Changfeng LI ,  Hongrun WANG ,  Shunhang ZHANG ,  Yunsik IM ,  Fuqiang LI

IPC: G02F1/1362 ,  G02F1/1368 ,  H01L27/12

CPC classification number: G02F1/136286 ,  G02F1/136209 ,  G02F1/1368 ,  H01L27/1244

Abstract: A display panel and a display apparatus. The display panel includes: an array substrate, including: scanning lines, data lines and sub-pixels, where at least two sub-pixels adjacent in a first direction and a second direction constitute a pixel island; an opposing substrate; a liquid crystal layer; and supporting parts, including a plurality of first supporting parts and a plurality of second supporting parts. Each supporting part includes: a first sub-supporting part and a second sub-supporting part; orthographic projections of the first sub-supporting parts divide orthographic projections of the second sub-supporting parts into first parts and second parts; and in each supporting part, a length of the first part is not equal to a length of the second part.

公开(公告)号：US20240177634A1

公开(公告)日：2024-05-30

申请号：US17791226

申请日：2021-08-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yang YUE ,  Wei WANG ,  Ruoyu MA ,  Shunhang ZHANG ,  Chuanxiang XU ,  Xiang LI ,  Yong YU ,  Shi SHU ,  Qi YAO

IPC: G09F9/33 ,  H01L27/12 ,  H01L27/15

CPC classification number: G09F9/33 ,  H01L27/12 ,  H01L27/15

Abstract: The present disclosure provides a display backplane and a preparation method therefor, and a display apparatus. The display backplane includes a plurality of display units, at least one display unit includes a pixel area and a light transmitting area, the pixel area is configured to perform image display and the light transmitting area is configured to transmit light; and in a plane perpendicular to the display backplane, the light transmitting area includes a substrate and a light transmitting structure layer arranged on the substrate, and the light transmitting structure layer is provided with light transmitting holes.

公开(公告)号：US20210210827A1

公开(公告)日：2021-07-08

申请号：US17041535

申请日：2020-04-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongrun WANG ,  Kai HOU ,  Liwei LIU ,  Feng LIAO ,  Shunhang ZHANG ,  Hui ZHANG ,  Yu'e JIA ,  Yun Sik IM

IPC: H01P1/18

Abstract: A phase shifter, a phase shift degree compensation device, and a phase shift degree compensation method are provided. The phase shifter includes a first substrate and a second substrate that are oppositely arranged, a resonant circuit, a signal line, and a first alignment layer are on a side of the first substrate facing the second substrate, a conductive layer and a second alignment layer are on a side of the second substrate facing the first substrate, a liquid crystal layer is between the first alignment layer and the second alignment layer, and the resonant circuit is configured to detect an actual equivalent dielectric constant of the liquid crystal layer

公开(公告)号：US20250140179A1

公开(公告)日：2025-05-01

申请号：US19009210

申请日：2025-01-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shunhang ZHANG ,  Kai HOU ,  Liwei LIU ,  Hongrun WANG ,  Hui ZHANG ,  Changfeng LI ,  Yunsik IM

IPC: G09G3/32 ,  H01L25/075 ,  H10H20/857 ,  H10H29/14

Abstract: A light-emitting substrate is provided. The light-emitting substrate includes a base substrate, light-emitting units, and first driving signal line groups; the light-emitting unit includes light-emitting sub-units; the first driving signal line is configured to be connected to the first electrode terminal of the light-emitting sub-unit; a translation distance in the column direction is provided between a k-th light-emitting unit in the N-th column and a k-th light-emitting unit in the (N+1)-th column, and the translation distance is smaller than a spacing between two adjacent light-emitting units in a same column in the column direction; the first driving signal line group is between the N-th column of light-emitting units and the (N+1)-th column of light-emitting units and alternately passes through light-emitting units in the N-th column and the (N+1)-th column; and each light-emitting unit is passed by two adjacent first driving signal line groups.

公开(公告)号：US20240221851A1

公开(公告)日：2024-07-04

申请号：US17996293

申请日：2021-11-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yunsik IM ,  Shunhang ZHANG ,  Fuqiang LI ,  Changfeng LI ,  Liwei LIU ,  Hehe HU ,  Ce NING ,  Hui ZHANG ,  Hongrun WANG ,  Zhuo LI

IPC: G11C19/28 ,  G09G3/20

CPC classification number: G11C19/28 ,  G09G3/20 ,  G09G2310/0267 ,  G09G2310/0286

Abstract: The present disclosure provides a shift register unit, a gate driving circuit and a display device. The shift register unit provided by the present disclosure includes: an input sub-circuit, an output sub-circuit, at least one pull-down control sub-circuit, at least one pull-down sub-circuit, at least one first noise reduction sub-circuit, and a reverse bias sub-circuit; the reverse bias sub-circuit is configured to control transistors in at least part of sub-circuits connected to a pull-up node to be in a reverse bias state through a power voltage signal in response to a potential of the pull-up node, or control the transistors in at least part of the sub-circuits connected to the pull-up node to be in the reverse bias state through a cascade signal in response to a potential of a cascade signal terminal.

公开(公告)号：US20240169948A1

公开(公告)日：2024-05-23

申请号：US17788113

申请日：2021-08-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hui ZHANG ,  Kai HOU ,  Hongrun WANG ,  Shunhang ZHANG ,  Liwei LIU ,  Yunsik IM ,  Changfeng LI ,  Fuqiang LI

IPC: G09G3/36 ,  G02F1/1362 ,  G02F1/1368 ,  G09G3/32

CPC classification number: G09G3/3607 ,  G02F1/136286 ,  G02F1/1368 ,  G09G3/3666 ,  G09G3/32 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2340/0414 ,  G09G2340/0435 ,  G09G2354/00

Abstract: Disclosed are a display panel, a display apparatus, a driving method thereof. The display panel includes: a first base substrate; scanning lines; data lines; sub-pixels, in regions divided by the scanning lines and the data lines, at least two sub-pixels adjacent in a first direction and a second direction constitute a pixel island, the sub-pixels constitute pixel islands, each pixel island includes n sub-pixel rows in the second direction; scanning signal input lines, in one-to-one correspondence to the scanning lines; control signal lines; fixed potential lines; and control circuits, located between the adjacent sub-pixels. One pixel island is connected to at least n control circuits, one control circuit corresponds to one row of sub-pixels in the pixel island. The control circuits are configured to: transfer, under control of control signal lines, signals provided by the scanning signal input lines or the fixed potential lines to the scanning lines.

公开(公告)号：US20210257580A1

公开(公告)日：2021-08-19

申请号：US16973161

申请日：2020-03-04

Applicant: BOE Technology Group Co., Ltd.

Inventor： Feng LIAO ,  Yunsik IM ,  Yoonsung UM ,  Shunhang ZHANG ,  Liwei LIU ,  Hongrun WANG ,  Hui ZHANG ,  Yue JIA ,  Kai HOU

IPC: H01L51/52 ,  H01L25/18

Abstract: The disclosure provides a display substrate and a manufacturing method thereof, a display panel and a display apparatus. The display substrate includes a substrate and an electroluminescent layer on the substrate. The display substrate further includes a first reflective electrode layer, a buffer layer and a second reflective electrode layer sequentially formed on a side of the electroluminescent layer distal to the substrate. The buffer layer is provided with a first hollow region, the second reflective electrode layer is provided with a second hollow region, an overlapping region between the first hollow region and the second hollow region is configured to transmit light emitted by the electroluminescent layer. The present disclosure can detect the light-emitting brightness of each sub-pixel in the organic electroluminescent layer in real time to improve light-emitting efficiency.

公开(公告)号：US20210149260A1

公开(公告)日：2021-05-20

申请号：US16633905

申请日：2019-06-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yoon Sung UM ,  Yu'e JIA ,  Feng LIAO ,  Hui ZHANG ,  Shunhang ZHANG ,  Hongrun WANG ,  Liwei LIU ,  Kai HOU ,  Yun Sik IM

IPC: G02F1/1362

Abstract: An array substrate and a display panel are provided. The array substrate includes: a plurality of sub-pixels arranged along a row direction and a column direction, four or six adjacent sub-pixel columns constituting a sub-pixel column group; a plurality of data lines extending along the column direction and comprising a first data line and a second data line. In the row direction, the first data line and the second data line are respectively provided on two sides of the sub-pixel column group, and a data line pair including the first data line and the second data line is located between adjacent sub-pixel column groups.

公开(公告)号：US20200135125A1

公开(公告)日：2020-04-30

申请号：US16404922

申请日：2019-05-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shunhang ZHANG ,  Yue JIA

IPC: G09G3/36

Abstract: There is provided a pixel circuit, a display panel, a drive method. The pixel circuit comprises a switch sub-circuit, a storage sub-circuit, a drive sub-circuit. The switch sub-circuit is connected to a gate line, a data line, the storage sub-circuit, and configured to transmit a signal on the data line to the storage sub-circuit under control of a signal on the gate line. The storage sub-circuit is connected to a first voltage terminal, a second voltage terminal, and the drive sub-circuit, and configured to transmit a signal of the first voltage terminal or the second voltage terminal to the drive sub-circuit under control of the switch sub-circuit. The drive sub-circuit is connected to the first voltage terminal, the second voltage terminal, a pixel electrode, and configured to transmit the signal of the first voltage terminal or the second voltage terminal to the pixel electrode under control of the storage sub-circuit.