公开(公告)号：US20240363814A1

公开(公告)日：2024-10-31

申请号：US18247331

申请日：2022-03-03

Applicant: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qi QI ,  Jian XU ,  Wanzhi CHEN ,  Xinxin ZHAO

IPC: H01L33/60 ,  G02B5/02 ,  H01L25/16

CPC classification number: H01L33/60 ,  G02B5/0242 ,  G02B5/0278 ,  H01L25/167

Abstract: A display device includes a display panel and a light-emission board which includes a base substrate and light-emission units, and a maximum size of the light-emission unit in a direction parallel to the base substrate is not greater than 3 mm; connecting lines of centers of four immediately adjacent light-emission units define a quadrangle; a connecting line of centers of two light-emission units that define the quadrangle and have a largest distance therebetween passes through two first points in edges, close to each other, of the two light-emission units; a distance between the two first points is a first distance D1; an included angle between an outermost light ray of light rays emitted by the light-emission unit and a plane parallel to the base substrate is θ; and a minimum distance between surfaces, close to each other, of the display panel and the base substrate is not less than D1*tanθ/2.

公开(公告)号：US20240321186A1

公开(公告)日：2024-09-26

申请号：US18680595

申请日：2024-05-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiao ZHAO ,  Li XIAO ,  Minghua XUAN ,  Haoliang ZHENG ,  Dongni LIU ,  Jing LIU ,  Qi QI ,  Zhenyu ZHANG ,  Liang CHEN ,  Hao CHEN ,  Lijun YUAN

IPC: G09G3/32 ,  G11C19/28 ,  H01L25/075 ,  H01L27/02 ,  H01L27/12 ,  H01L33/62

CPC classification number: G09G3/32 ,  G11C19/28 ,  H01L25/0753 ,  H01L27/0296 ,  H01L27/124 ,  H01L33/62 ,  G09G2300/026 ,  G09G2310/0286 ,  G09G2330/04

Abstract: An array substrate has a display area and includes at least one pixel group, at least one pixel circuit group and at least one shift register circuit. The at least one pixel group is disposed in the display area. Each pixel group includes a plurality of pixels arranged in an array. Each pixel circuit group is disposed between two adjacent rows of pixels or two adjacent columns of pixels in a corresponding pixel group. Each pixel circuit group includes at least one pixel driving sub-circuit group. A shift register circuit is disposed between two rows of pixels or two columns of pixels that are different from two rows of pixels or two columns of pixels between which a pixel driving sub-circuit group is disposed.

公开(公告)号：US20240258327A1

公开(公告)日：2024-08-01

申请号：US18020258

申请日：2022-06-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Dongni LIU ,  Minghua XUAN ,  Zhenyu ZHANG ,  Haoliang ZHENG ,  Shunhang ZHANG ,  Wanzhi CHEN ,  Qi QI ,  Jing LIU

IPC: H01L27/12 ,  H01L25/16

CPC classification number: H01L27/124 ,  H01L25/167

Abstract: A transparent display panel includes: a substrate (100), and multiple repeating units (10) arranged in an array on the substrate. The non-transmissive region (A1) of the repeating unit includes: at least one pixel unit (P), N sets of first traces (11) extending in a first direction (X) and M sets of second traces (12) extending in a second direction (Y) electrically connected to the pixel unit. A set of first traces includes: multiple first signal lines (111) and at least one second signal line (112), an orthographic projection of at least one second signal line on substrate covers that of at least two first signal lines on substrate; or, a set of second traces includes: multiple third signal lines (121) and at least one fourth signal line (122), orthographic projection of at least one fourth signal line on substrate covers that of at least two third signal lines on substrate.

公开(公告)号：US20240243239A1

公开(公告)日：2024-07-18

申请号：US18016681

申请日：2022-02-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xuan LIANG ,  Fei WANG ,  Mingxing WANG ,  Can WANG ,  Xue DONG ,  Qi QI ,  Mingkun YANG

IPC: H01L33/62 ,  H01L27/15 ,  H01L33/06 ,  H01L33/30 ,  H01L33/32 ,  H01L33/58

CPC classification number: H01L33/62 ,  H01L27/15 ,  H01L33/06 ,  H01L33/30 ,  H01L33/32 ,  H01L33/58 ,  H01L2933/0066

Abstract: A light emitting device and a light emitting apparatus are provided. The light emitting device includes at least two epitaxial structures provided in a first direction and connected in series, wherein two current diffusion layers and a transparent adhesive layer are provided between two adjacent epitaxial structures, a current diffusion layer is provided at one side of each of the two adjacent epitaxial structures, the transparent adhesive layer is provided between the two current diffusion layers, and metal nanoparticles are provided in the transparent adhesive layer.

公开(公告)号：US20240234658A1

公开(公告)日：2024-07-11

申请号：US17927792

申请日：2021-12-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiayu HE ,  Yan QU ,  Ce NING ,  Zhengliang LI ,  Hehe HU ,  Jie HUANG ,  Nianqi YAO ,  Kun ZHAO ,  Feifei LI ,  Qi QI

IPC: H01L33/62 ,  H01L25/075 ,  H01L25/16 ,  H01L27/12

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L25/167 ,  H01L27/124

Abstract: A wiring board includes a substrate, conductive pads and at least one protective layer group. The conductive pads are disposed on the substrate. The at least one protective layer group is disposed on a side of the conductive pads away from the substrate; a protective layer group includes an oxidation protective layer and a palladium alloy layer that are stacked, and the oxidation protective layer is closer to the substrate than the palladium alloy layer. A material of the oxidation protective layer includes a nickel-based alloy.

公开(公告)号：US20240188373A1

公开(公告)日：2024-06-06

申请号：US17795243

申请日：2021-09-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiayu HE ,  Ce NING ,  Zhengliang LI ,  Hehe HU ,  Jie HUANG ,  Nianqi YAO ,  Kun ZHAO ,  Feifei LI ,  Liping LEI ,  Qi QI

IPC: H10K59/65 ,  H10K59/12 ,  H10K59/121 ,  H10K59/80 ,  H10K71/00

CPC classification number: H10K59/65 ,  H10K59/1201 ,  H10K59/1213 ,  H10K59/874 ,  H10K71/00

Abstract: Provided is a display substrate including a substrate and a plurality of light emitting units and a plurality of light detection units located on the substrate, At least one light emitting unit includes a light emitting element and a pixel circuit connected to the light emitting element, and at least one light detection unit includes an optical sensing element and a light emitting detecting circuit connected to the optical sensing element. At least one inorganic hydrogen barrier layer is arranged on one side of the optical sensing element close to the substrate. The light emitting element has a first light emitting region and a second light emitting region, the first light emitting region of the light emitting element emits light from a side away from the substrate, and the second light emitting region of the light emitting element emits light from a side close to the substrate.

公开(公告)号：US20240185772A1

公开(公告)日：2024-06-06

申请号：US18533211

申请日：2023-12-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Li XIAO ,  Haoliang ZHENG ,  Minghua XUAN ,  Seungwoo HAN ,  Hao CHEN ,  Dongni LIU ,  Jiao ZHAO ,  Liang CHEN ,  Qi QI

IPC: G09G3/32 ,  G09G3/20

CPC classification number: G09G3/32 ,  G09G3/2007 ,  G09G3/3208

Abstract: A drive method for a display panel, wherein the display panel includes a plurality of current data lines, a plurality of time-length data lines, a first current selection signal line, a second current selection signal line, a first time-length selection signal line and a second time-length selection signal line, at least one current data line is connected with the first current selection signal line or the second current selection signal line, and at least one time-length data line is connected with the first time-length selection signal line or the second time-length selection signal line; the method includes: providing a valid level signal to the first time-length selection signal line, the second time-length selection signal line, the first current selection signal line and the second current selection signal line.

公开(公告)号：US20230351943A1

公开(公告)日：2023-11-02

申请号：US17636897

申请日：2021-04-21

Applicant: BOE Technology Group Co., Ltd.

Inventor： Li XIAO ,  Haoliang ZHENG ,  Minghua XUAN ,  Seungwoo HAN ,  Hao CHEN ,  Dongni LIU ,  Jiao ZHAO ,  Liang CHEN ,  Qi QI

IPC: G09G3/32 ,  G09G3/20

CPC classification number: G09G3/32 ,  G09G3/2007 ,  G09G2300/0861 ,  G09G2300/0852 ,  G09G2300/0819 ,  G09G2320/0247 ,  G09G2320/0233 ,  G09G2310/08

Abstract: Disclosed are a pixel circuit and a drive method for the same, and a display panel and a drive method for the same. The pixel circuit is configured to drive a light-emitting element to emit light, including: a current control sub-circuit and a time-length control sub-circuit. The current control sub-circuit is electrically connected to a current data terminal, a scanning signal terminal, a reset signal terminal, an initial signal terminal, a light-emitting signal terminal, a first power terminal, a first node, and a second node, respectively. The time-length control sub-circuit is electrically connected to a first control terminal, a second control terminal, a time-length data terminal, a ground terminal, a light-emitting signal terminal, a high-frequency input terminal, and the first node, respectively.

公开(公告)号：US20230260453A1

公开(公告)日：2023-08-17

申请号：US18307416

申请日：2023-04-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiao ZHAO ,  Li XIAO ,  Minghua XUAN ,  Haoliang ZHENG ,  Dongni LIU ,  Jing LIU ,  Qi QI ,  Zhenyu ZHANG ,  Liang CHEN ,  Hao CHEN ,  Lijun YUAN

IPC: G09G3/32 ,  G11C19/28 ,  H01L25/075 ,  H01L27/02 ,  H01L27/12 ,  H01L33/62

CPC classification number: G09G3/32 ,  G11C19/28 ,  H01L25/0753 ,  H01L27/0296 ,  H01L27/124 ,  H01L33/62 ,  G09G2300/026 ,  G09G2310/0286 ,  G09G2330/04

Abstract: An array substrate includes M pixel lines and N pixel circuit groups. The M pixel lines are disposed in a display area and arranged in a first direction. The N pixel circuit groups are arranged in the first direction. M is an integer greater than or equal to 2, and N is a positive integer less than M. A pixel circuit group of the N pixel circuit groups is electrically connected to adjacent two pixel lines of the M pixel lines, and the first direction is one of a row direction and a column direction.

公开(公告)号：US20230163157A1

公开(公告)日：2023-05-25

申请号：US17634287

申请日：2021-03-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Can WANG ,  Wei LI ,  Lijun YUAN ,  Jingjing ZHANG ,  Can ZHANG ,  Jinfei NIU ,  Ning CONG ,  Minghua XUAN ,  Xiaochuan CHEN ,  Xue DONG ,  Qi QI

IPC: H01L27/15

CPC classification number: H01L27/156

Abstract: A display substrate and a display device are provided. The display substrate includes light emitting diode chips, each light emitting diode chip includes light emitting units which respectively emit light of different colors, each light emitting unit includes a first electrode, a light emitting layer, a base and a second electrode, and the base and the second electrode are respectively located at both sides of the light emitting layer. In each light emitting diode chip, the light emitting units share the base and the first electrode, the light emitting layers of the light emitting units emit light of the same color, and at least one light emitting unit further includes a first color conversion layer located at a side of the base away from the light emitting layer, so as to convert first color light emitted by the light emitting layer into second color light.