公开(公告)号：US20240386842A1

公开(公告)日：2024-11-21

申请号：US18788139

申请日：2024-07-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Minghua XUAN ,  Dongni LIU ,  Qi QI ,  Jing LIU ,  Han YUE

IPC: G09G3/32 ,  G09G3/3208 ,  G09G3/3233 ,  G09G3/3266 ,  G11C19/28

Abstract: A pixel driving circuit includes a driving control sub-circuit and a time control sub-circuit. The driving control sub-circuit includes a first driving sub-circuit. The first driving sub-circuit is configured to output a driving signal to drive an element to be driven to operate. The time control sub-circuit includes a second driving sub-circuit. The second driving sub-circuit is configured to output a third voltage signal to make the first driving sub-circuit stop outputting the driving signal, so as to control operating duration of the element to be driven.

公开(公告)号：US20240258476A1

公开(公告)日：2024-08-01

申请号：US18007404

申请日：2022-02-25

Applicant: BOE MLED Technology Co., Ltd. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lili WANG ,  Chao LIU ,  Ming ZHAI ,  Jing WANG ,  Sha FENG ,  Mingming JIA ,  Shaofei GUO ,  Bao FU ,  Qiuhua MENG ,  Qi QI ,  Lingyun SHI ,  Haiwei SUN

IPC: H01L33/62 ,  H01L25/075

CPC classification number: H01L33/62 ,  H01L25/0753

Abstract: A display panel includes: a backplane, light-emitting devices, first electrodes, and connection traces. The backplane includes a first surface, a second surface opposite thereto, and side surfaces connecting the two surfaces. At least one of the side surfaces is a selected side surface. The light-emitting devices are disposed on the first surface. The first electrodes are disposed on the first surface and are proximate to the selected side surface. Each connection trace includes a first trace segment, a second trace segment, and a third trace segment that are connected in sequence. The first trace segment is disposed on the first surface, and the first trace segment is electrically connected to a first electrode. The second trace segment is disposed on the selected side surface. The third trace segment is disposed on the second surface, and is configured to be electrically connected to a flexible printed circuit.

公开(公告)号：US20240097085A1

公开(公告)日：2024-03-21

申请号：US18262828

申请日：2022-07-04

Applicant: BOE MLED Technology Co., Ltd. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lili WANG ,  Sha FENG ,  Chao LIU ,  Jing WANG ,  Mingming JIA ,  Chuhang WANG ,  Qi QI

IPC: H01L33/60 ,  H01L25/16

CPC classification number: H01L33/60 ,  H01L25/167 ,  H01L2933/0058

Abstract: A display panel (10) includes a circuit backplane (1) and a reflective layer (3). The circuit backplane (1) includes a first main surface (11), a second main surface (12), and a plurality of side surfaces (13). The second main surface (12) is disposed opposite to the first main surface (11). The side surfaces (13) each connect the first main surface (11) and the second main surface (12). At least one side surface in the plurality of side surfaces (13) is a selected side surface (13a). The selected side surface (13a) is covered by the reflective layer (3), the reflective layer (3) being configured to be removed under a predetermined process condition.

公开(公告)号：US20240005854A1

公开(公告)日：2024-01-04

申请号：US18469557

申请日：2023-09-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Minghua XUAN ,  Dongni LIU ,  Qi QI ,  Jing LIU ,  Han YUE

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0426 ,  G09G2300/0809 ,  G09G2310/061 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2330/021 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G3/3233

Abstract: A pixel driving circuit includes a driving control sub-circuit and a time control sub-circuit. The driving control sub-circuit includes a first driving sub-circuit. The first driving sub-circuit is configured to output a driving signal to drive an element to be driven to operate. The time control sub-circuit includes a second driving sub-circuit. The second driving sub-circuit is configured to output a third voltage signal to make the first driving sub-circuit stop outputting the driving signal, so as to control operating duration of the element to be driven.

公开(公告)号：US20230360586A1

公开(公告)日：2023-11-09

申请号：US17634544

申请日：2021-04-15

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/0275 ,  G09G2310/0267 ,  G09G2320/0247 ,  G09G2320/0233 ,  G09G2310/0297

Abstract: Disclosed are a display panel, a control method for the same, and a display device. The display panel includes: M rows and N columns of pixel units, N current data lines sequentially arranged along a row direction, and N time-length data lines sequentially arranged along the row direction. Each pixel unit includes a pixel circuit, the pixel circuit including a current data terminal and a time-length data terminal. An ith column of the current data lines and an ith column of the time-length data lines are respectively located on two sides of an ith column of pixel units, the current data terminals of the pixel circuits of the ith column of pixel units are electrically connected to the ith column of the current data lines.

公开(公告)号：US20230113488A1

公开(公告)日：2023-04-13

申请号：US17052526

申请日：2019-11-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiao ZHAO ,  Li XIAO ,  Minghua XUAN ,  Haoliang ZHENG ,  Dongni LIU ,  Jing LIU ,  Qi QI

IPC: G09G3/3291

Abstract: The present disclosure provides a display substrate and a display device, and belongs to the field of display technology. The display substrate of the present disclosure includes: a base substrate; and a plurality of pixel units arranged in an array, a plurality of signal lines and signal supply modules on the base substrate; wherein the signal supply module includes: a signal supply circuit and a redundant signal supply circuit; each of the signal supply modules is electrically coupled to at least one of the plurality of pixel units through at least one of the plurality of signal lines.

公开(公告)号：US20230028984A1

公开(公告)日：2023-01-26

申请号：US17772951

申请日：2021-06-24

Applicant: BOE Technology Group Co., Ltd.

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

IPC: H01L27/15 ,  H01L25/18

Abstract: A chip structure, a manufacturing method thereof, and a display device are provided. The chip structure comprises a substrate, a micro light-emitting diode and a drive transistor arranged on the substrate, wherein a first pole of the drive transistor is coupled to a first electrode of the micro light-emitting diode.

公开(公告)号：US20220359789A1

公开(公告)日：2022-11-10

申请号：US17620423

申请日：2021-01-06

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wei GUO ,  Hu MENG ,  Qi QI

IPC: H01L33/38 ,  H01L33/00

Abstract: An inorganic light-emitting diode substrate includes: a base, a plurality of epitaxial layer structures disposed on the base, a passivation layer, and a plurality of second electrodes disposed on a side of the passivation layer away from the base. The base includes a base substrate and a plurality of first electrodes disposed on the base substrate. The plurality of epitaxial layer structures are spaced apart, and each first electrode is coupled to one epitaxial layer structure. The passivation layer is made of photoresist. The passivation layer covers surfaces, away from the base, of the plurality of epitaxial layer structures, and fills gaps between the plurality of epitaxial layer structures. The passivation layer has a plurality of via holes, and each second electrode is coupled to one epitaxial layer structure through at least one via hole.

公开(公告)号：US20220339855A1

公开(公告)日：2022-10-27

申请号：US17761039

申请日：2021-05-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shuqi LIU ,  Wenyue FU ,  Xinhong LU ,  Qi QI ,  Xiaojie PAN

IPC: B29C53/80 ,  H01L25/16 ,  B29C65/48 ,  B29C65/00 ,  B29C53/04

Abstract: A folding device and a folding method are provided. The folding device includes a bearing and fixing mechanism configured to bear and fix a main body portion of a to-be-folded device; a folding mechanism disposed on at least one lateral side of the bearing and fixing mechanism, the folding mechanism being configured to bear a to-be-folded portion of the to-be-folded device and fold the to-be-folded portion to one side in a thickness direction of the main body portion; a first driving mechanism configured to drive the folding mechanism to move along a direction perpendicular to a bearing surface, which bears the main body portion, of the bearing and fixing mechanism; and a second driving mechanism configured to drive the folding mechanism to move close to or away from the bearing and fixing mechanism along a direction parallel to the bearing surface.

公开(公告)号：US20220310660A1

公开(公告)日：2022-09-29

申请号：US17418945

申请日：2020-09-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhanfeng CAO ,  Ke WANG ,  Zhiwei LIANG ,  Jianguo WANG ,  Guocai ZHANG ,  Xinhong LU ,  Qi QI

IPC: H01L27/12 ,  G02F1/13357

Abstract: The present disclosure provides an array substrate and a manufacturing method thereof, a display panel and a backlight module. The manufacturing method of the array substrate includes: providing a base substrate; forming a metal wiring layer on a side of the base substrate, the metal wiring layer including a first copper metal layer; forming a planarization layer on a side of the metal wiring layer away from the base substrate; forming a drive lead layer on a side of the planarization layer away from the base substrate, the drive lead layer being electrically connected to the metal wiring layer, the drive lead layer including a second copper metal layer with a thickness larger than that of the first copper metal layer; forming a functional device layer on a side of the drive lead layer away from the base substrate.