公开(公告)号：US20200286926A1

公开(公告)日：2020-09-10

申请号：US16630657

申请日：2019-01-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanan NIU ,  Jiushi WANG ,  Lei CHEN ,  Hongwei TIAN ,  Zhanfeng CAO ,  Feng GUAN ,  Feng ZHANG ,  Shi SHU ,  Kuanjun PENG ,  Yichi ZHANG ,  Qi QI

IPC: H01L27/12 ,  H01L21/02 ,  H01L29/66 ,  H01L29/786

Abstract: The present disclosure provides a display backplane and a method for manufacturing the same, a display panel, and a display device. The display backplane includes: a substrate; a first thin film transistor located on one side of the substrate; and a second thin film transistor located on the one side of the substrate, wherein: the first thin film transistor comprises a first active layer, the second thin film transistor comprises a second active layer, wherein the first active layer and the second active layer are located in a same layer, and a material of the first active layer is different from that of the second active layer.

公开(公告)号：US20250098383A1

公开(公告)日：2025-03-20

申请号：US18293260

申请日：2022-12-19

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

Inventor： Lili WANG ,  Jing WANG ,  Chao LIU ,  Sha FENG ,  Ming ZHAI ,  Qi QI

IPC: H01L33/62 ,  H01L23/60 ,  H01L25/075

Abstract: A display panel includes a substrate, a plurality of connection wires, an isolation region and a first electrostatic discharge structure disposed on a second surface. The substrate includes a first surface and a second surface that are opposite, and a plurality of side surfaces, and at least one of the side surfaces is a selected side surface. The connection wires are arranged side by side at intervals, and each of the connection wires includes a first-segment wire, a second-segment wire and a third-segment wire connected in sequence. The first-segment wire is located on the first surface, the second-segment wire is located on the selected side surface, and the third-segment wire is located on the second surface. The first electrostatic discharge structure is arranged on a side of third-segment wires away from the selected side surface. The isolation region is located between the third-segment wires and the first electrostatic discharge structure.

公开(公告)号：US20240395988A1

公开(公告)日：2024-11-28

申请号：US18261937

申请日：2022-07-15

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

Inventor： Lili WANG ,  Zhonglan ZHAO ,  Chao LIU ,  Ming ZHAI ,  Sha FENG ,  Qi QI ,  Jing WANG ,  Mingming JIA ,  Heling ZHU

IPC: H01L33/60 ,  H01L25/075 ,  H01L33/00 ,  H01L33/62

Abstract: A display panel includes a substrate, a light-blocking layer, a plurality of connection leads and a light-emitting device layer. The substrate includes a first surface and a second surface opposite to each other, and a plurality of side surfaces connecting the first surface and the second surface. At least one of the plurality of side surfaces is a selected side surface. The light-emitting device layer is disposed on the second surface. Each of the plurality of connection leads includes a first portion located on the first surface of the substrate, a second portion located on the selected side surface of the substrate and a third portion located on the second surface of the substrate. The light-blocking layer is located between the plurality of connection leads and the substrate, and is at least located between first portions of the plurality of connection leads and the first surface of the substrate.

公开(公告)号：US20240395853A1

公开(公告)日：2024-11-28

申请号：US18661716

申请日：2024-05-13

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

Inventor： Chao LIU ,  Jing WANG ,  Lili WANG ,  Shanshan FENG ,  Jingping ZHAO ,  Mingming JIA ,  Sha FENG ,  Mengqing LIU ,  Huaimin WANG ,  Ming ZHAI ,  Haiwei SUN ,  Qi QI

IPC: H01L27/15

Abstract: A driving substrate includes: a base substrate including first and second surfaces and side surfaces, at least one side surface being a selected side surface; a flexible film including a first region located on the first surface, a second region located on the second surface, and a bending region located between the first and second regions, the bending region including a first corner region, a second corner region and a side region; and a wiring layer, an electrode layer and a connection lead layer disposed in sequence on a side of the flexible film away from the base substrate. The wiring layer is located in the first region, the second region and the side region. The electrode layer includes first, second, third, and fourth electrodes. Each third electrode is electrically connected to a fourth electrode through the wiring layer. The connection lead layer includes first and second connection leads.

公开(公告)号：US20240363599A1

公开(公告)日：2024-10-31

申请号：US18681521

申请日：2022-08-17

Applicant: BOE Technology Group Co., Ltd.

Inventor： Can WANG ,  Qi QI ,  Wei LI ,  Can ZHANG ,  Minghua XUAN ,  Jinfei NIU ,  Jingjing ZHANG

IPC: H01L25/075 ,  H01L21/683 ,  H01L33/00 ,  H01L33/06 ,  H01L33/42 ,  H01L33/44 ,  H01L33/50 ,  H01L33/52 ,  H01L33/58 ,  H01L33/62

CPC classification number: H01L25/0753 ,  H01L21/6835 ,  H01L33/0093 ,  H01L33/06 ,  H01L33/42 ,  H01L33/44 ,  H01L33/50 ,  H01L33/52 ,  H01L33/58 ,  H01L33/62 ,  H01L2221/68354 ,  H01L2221/68363 ,  H01L2221/68386 ,  H01L2933/0041 ,  H01L2933/005 ,  H01L2933/0058 ,  H01L2933/0066 ,  H01L2933/0091

Abstract: A method for preparing the display substrate includes: providing a first substrate, and forming a light emitting chip layer on the first substrate to form a first backplane, wherein the light emitting chip layer includes: light emitting chips arranged in array, which are configured to emit light of a first color and include N sub-pixels, and N is a positive integer greater than or equal to 1; providing a second substrate, and forming a drive circuit layer on the second substrate to form a second backplane, wherein the drive circuit layer includes: connection electrodes arranged in an array, and the light emitting chips correspond to the connection electrodes one-by-one; transferring the first backplane from which the first substrate is peeled off to the second backplane; forming an optical film layer on a side of the light emitting chip layer away from the second backplane.

公开(公告)号：US20240313036A1

公开(公告)日：2024-09-19

申请号：US18028452

申请日：2022-05-18

Applicant: BOE Technology Group Co., Ltd.

Inventor： Mingxing WANG ,  Wei LI ,  Huajie YAN ,  Qian SUN ,  Xue DONG ,  Guangcai YUAN ,  Qi QI ,  Xuan LIANG ,  Fei WANG

IPC: H01L27/15

CPC classification number: H01L27/156

Abstract: Provided in the disclosure are a light-emitting chip and a preparation method thereof, a light-emitting substrate, and a display device. The light-emitting chip includes: a silicon-based substrate including a plurality of sub-pixel openings; a plurality of light-emitting devices formed on one side of the silicon-based substrate; wherein the light-emitting devices are in one-to-one correspondence to the sub-pixel openings, and orthographic projections of the light-emitting devices on the silicon-based substrate overlap with the sub-pixel openings; and a plurality of photoluminescent color films located in at least part of the sub-pixel openings.

公开(公告)号：US20240304136A1

公开(公告)日：2024-09-12

申请号：US18664242

申请日：2024-05-14

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hao CHEN ,  Zhenyu ZHANG ,  Jiao ZHAO ,  Li XIAO ,  Dongni LIU ,  Haoliang ZHENG ,  Liang CHEN ,  Minghua XUAN ,  Ming YANG ,  Xinhong LU ,  Qi QI

IPC: G09G3/32 ,  G01R31/52 ,  G01R31/54 ,  G09F9/33 ,  G09G3/00 ,  H01L25/075 ,  H01L27/12 ,  H01L33/62

CPC classification number: G09G3/32 ,  G01R31/52 ,  G01R31/54 ,  G09G3/006 ,  G09G3/035 ,  H01L25/0753 ,  H01L27/1244 ,  H01L33/62 ,  G09F9/33 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2320/0233 ,  G09G2330/021

Abstract: Disclosed are an array substrate, a detection method for the array substrate, and a splicing display panel. In the array substrate, each of pixels (1) includes sub-pixels (01) of at least three colors and a pixel driving chip (02) for driving each sub-pixel (01) to emit light; each sub-pixel (01) includes at least one inorganic light-emitting diode; a display area (A1) further includes: a positive signal line (Hm) connected to a positive electrode of each inorganic light-emitting diode, and a data signal line (Dm), a scanning line (Sn), and a reference signal line (Vm) connected to each pixel driving chip (02); each pixel driving chip (02) is used for writing signals of the data signal line (Dm) into the sub-pixels (01) of different colors under the control of the corresponding scanning line (Sn) in a time division manner.

公开(公告)号：US20240215362A1

公开(公告)日：2024-06-27

申请号：US18603918

申请日：2024-03-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongni LIU ,  Qi QI ,  Feng QU ,  Minghua XUAN ,  Haoliang ZHENG ,  Jiao ZHAO

IPC: H10K59/131 ,  G09G3/3233

CPC classification number: H10K59/131 ,  G09G3/3233 ,  G09G2320/0223 ,  G09G2320/0233 ,  G09G2330/02

Abstract: An array substrate has a display area and a non-display area including a first bonding region and a fan-out region located between the display area and the first bonding region. The array substrate includes: a plurality of pixel columns disposed in the display area, at least two first power supply input terminals disposed in the first bonding region, and at least two first fan-out structures disposed in the fan-out region. Each pixel column includes light-emitting units. Each first power supply input terminal is connected to multiple pixel columns of the plurality of pixel columns through one first fan-out structure, so as to provide a first power supply signal to the multiple pixel columns. Each first fan-out structure includes a plurality of first conductive units, and each first conductive unit is electrically connected to at least one of the plurality of pixel columns.

公开(公告)号：US20240105736A1

公开(公告)日：2024-03-28

申请号：US18525835

申请日：2023-11-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongni LIU ,  Minghua XUAN ,  Feng QU ,  Qi QI

IPC: H01L27/12 ,  G11C19/28

CPC classification number: H01L27/124 ,  G11C19/28

Abstract: An array substrate includes a base substrate including a first surface and a second surface, scanning signal lines disposed on the first surface, at least two groups of shift register circuits disposed in a display area of the first surface, and at least one fan-out structure disposed on the second surface. Each scanning signal line extends along a first direction. Each group of shift register circuits includes a plurality of shift register circuits along a second direction. Each shift register circuit is coupled to a scanning signal line. The fan-out structure is coupled to the shift register circuits. At least one group of shift register circuits is disposed in a non-edge region of the display area. The shift register circuit disposed in the non-edge region is configured to transmit a scanning signal to the scanning signal line at both sides of the shift register circuit along the first direction.

公开(公告)号：US20230360585A1

公开(公告)日：2023-11-09

申请号：US17628380

申请日：2021-03-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Minghua XUAN ,  Haoliang ZHENG ,  Seungwoo HAN ,  Qi QI ,  Jing LIU

IPC: G09G3/32 ,  G09G3/20

CPC classification number: G09G3/32 ,  G09G3/2007 ,  G09G2310/08 ,  G09G2310/0286 ,  G09G2300/0852 ,  G09G2320/0233 ,  G09G2300/0819 ,  G09G2300/0861

Abstract: Embodiments of the present disclosure provide a pixel drive circuit, a method for driving the pixel drive circuit, and a display device. The pixel drive circuit includes: a drive sub-circuit, a write sub-circuit and a control circuit. The control circuit further is coupled to a light-emitting control signal terminal, a second scanning signal terminal and a second data signal terminal, and is configured to determine a duration of providing a driving signal to a to-be-driven element under control of a light-emitting control signal provided by the light-emitting control signal terminal and a second scanning signal provided by the second scanning signal terminal.