公开(公告)号：US20240203343A1

公开(公告)日：2024-06-20

申请号：US17794625

申请日：2021-09-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yuzhen GUO ,  Zhenyu ZHANG ,  Lubin SHI ,  Zhen ZHANG ,  Chenyang ZHANG ,  Fuqiang LI

IPC: G09G3/3233 ,  G09G3/3266 ,  H10K59/131

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  H10K59/131 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0286 ,  G09G2310/08

Abstract: Disclosed are a display substrate and a display apparatus, the display substrate includes a display region and a non-display region, the display region is provided with a pixel circuit and a light emitting unit; each pixel circuit is connected with K light emitting devices emitting light of a same color; each pixel circuit includes a current control sub-circuit and a light emitting selection sub-circuit; the current control sub-circuit is configured to provide a drive current to a first node under control of a reset signal terminal, an initial signal terminal, a scan signal terminal, a data signal terminal, a light emitting control terminal, and a first power supply terminal; the light emitting selection sub-circuit is configured to sequentially provide a signal of the first node to the K light emitting devices emitting light of the same color under control of K light emitting selection signal terminals.

公开(公告)号：US20220376137A1

公开(公告)日：2022-11-24

申请号：US17435016

申请日：2020-11-06

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Mingxing WANG ,  Binbin TONG ,  Lizhen ZHANG ,  Chenyang ZHANG ,  Zhen ZHANG ,  Xiawei YUN ,  Guangcai YUAN ,  Xue DONG ,  Muxin DI ,  Zhiwei LIANG ,  Ke WANG ,  Zhanfeng CAO

IPC: H01L33/38 ,  H01L33/46 ,  H01L33/62 ,  H01L33/00 ,  H01L25/075

Abstract: A light-emitting diode (LED) chip includes a plurality of epitaxial structures, at least one first electrode, and a plurality of second electrodes. Any two adjacent epitaxial structures of the plurality of epitaxial structures have a gap therebetween. Each epitaxial structure includes a first semiconductor pattern, a light-emitting pattern and a second semiconductor pattern stacked in sequence. First semiconductor patterns in at least two of the plurality of epitaxial structures are connected to each other to form a first semiconductor layer. A first electrode is electrically connected to the first semiconductor layer. Each second electrode is electrically connected to the second semiconductor pattern in at least one of the plurality of epitaxial structures.

公开(公告)号：US20210366933A1

公开(公告)日：2021-11-25

申请号：US16471671

申请日：2018-12-14

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

Inventor： Zhen ZHANG

IPC: H01L27/12 ,  H01L27/32 ,  H01L23/552 ,  H01L25/18 ,  G06K9/00

Abstract: An array substrate, a manufacturing method thereof, a display panel and a display device are disclosed. The array substrate includes a base substrate, a light shielding layer, an active layer of a thin film transistor, and an insulating layer. The light shielding layer includes light transmission holes on the base substrate. The active layer of the thin film transistor is located on the side of the light shielding layer away from the base substrate. An insulating layer is located on the base substrate. The insulating layer includes a first through hole in communication with the light transmission hole.

公开(公告)号：US20200249528A1

公开(公告)日：2020-08-06

申请号：US16758493

申请日：2018-12-29

Applicant: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jinfeng ZHANG ,  Fangfang WU ,  Hui DONG ,  Mookeun SHIN ,  Aixia SANG ,  Shuai HUANG ,  Zhen ZHANG

IPC: G02F1/13357 ,  F21V8/00 ,  G02F1/1335 ,  G02F1/163 ,  G02F1/167

Abstract: An area light source module and a control method thereof, and a display device are disclosed. The area light source module includes a light guide plate, a light source, and a light valve component, the light guide plate includes two main surfaces and a side surface between the two main surfaces, the side surface includes an incident side surface, the light source is opposite to the incident side surface, and the light valve component is between the light guide plate and the light source. The light valve component is configured to control a passing rate of light emitted from the light source into the light guide plate through the incident side surface.

公开(公告)号：US20200227127A1

公开(公告)日：2020-07-16

申请号：US16574494

申请日：2019-09-18

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

Inventor： Yongkang HOU ,  Zhen ZHANG

IPC: G11C19/28 ,  G09G3/3266 ,  G09G3/36

Abstract: The present disclosure discloses a shift register unit, a gate drive circuit, and a driving method thereof, and relates to the field of display technologies. The shift register unit includes an input sub-circuit, an output control sub-circuit, and an output sub-circuit. The input sub-circuit is coupled to a first node and a first voltage terminal, and is configured to output a first voltage signal to the first node in response to an input control signal. The output control sub-circuit is coupled to the first node, a second node, and a clock signal terminal, and is configured to output an output control signal to the second node in response to the first voltage signal and a clock signal. The output sub-circuit is coupled to the second node, a DC voltage terminal, and an output terminal, and is configured to output a DC voltage signal to the output terminal under the control of the output control signal.

公开(公告)号：US20190027500A1

公开(公告)日：2019-01-24

申请号：US15984744

申请日：2018-05-21

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

Inventor： Xiang WANG ,  Zhen ZHANG ,  Ru ZHOU

IPC: H01L27/12 ,  H01L29/786 ,  H01L29/417

Abstract: An array substrate, a manufacturing method thereof, and a display device including the array substrate. The array substrate includes a plurality of gate line groups and a plurality of data lines disposed on a substrate, the plurality of gate line groups intersecting with the plurality of data lines to define a plurality of pixel units arranged in an array, wherein each of the plurality of gate line groups includes a first gate line and a second gate line insulated from each other, and orthographic projections of the first gate line and the second gate line of each of the plurality of gate line groups on the substrate at least partially overlap.

公开(公告)号：US20240312411A1

公开(公告)日：2024-09-19

申请号：US18665611

申请日：2024-05-16

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yunsik IM ,  Shunhang ZHANG ,  Zhenyu ZHANG ,  Zhen ZHANG ,  Peirou LI ,  Dongni LIU ,  Lianfu YU

IPC: G09G3/3233 ,  G09G3/20

CPC classification number: G09G3/3233 ,  G09G3/2007 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/08

Abstract: A pixel drive circuit is configured to drive a light emitting device to emit light, the light emitting device includes a first electrode and a second electrode, the pixel drive circuit includes a current control sub-circuit and a duration control sub-circuit; the duration control sub-circuit is configured to provide control signal to a first node under control of signals of a first scan signal line, a first reset signal line, a first light emitting signal line, control signal line, a data signal line, an initial signal line, and a first power supply line; the current control sub-circuit is configured to provide a drive current to a first electrode of a light emitting device under control of signals of a first node, a second scan signal line, a second reset signal line, a second light emitting signal line, a Data signal line, and a second power supply line.

公开(公告)号：US20220310664A1

公开(公告)日：2022-09-29

申请号：US17555201

申请日：2021-12-17

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhen ZHANG ,  Fuqiang LI ,  Hongrun WANG

IPC: H01L27/12

Abstract: The present application provides a display substrate and a method for manufacturing the same. The display substrate includes: a base substrate; and at least two layers of pixel circuits on the base substrate. The at least two layers of pixel circuits include a first-layer pixel circuit and a second-layer pixel circuit which are in different layers; the first-layer pixel circuit includes a plurality of first thin film transistors; the second-layer pixel circuit includes a plurality of second thin film transistors; and an orthographic projection of at least one first thin film transistor onto the base substrate at least partially overlaps an orthographic projection of at least one second thin film transistor onto the base substrate.

公开(公告)号：US20200328234A1

公开(公告)日：2020-10-15

申请号：US16086873

申请日：2018-02-12

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

Inventor： Zhen ZHANG

IPC: H01L27/12

Abstract: An array substrate and a manufacturing method thereof, a display panel, and a display device are disclosed, The array substrate includes a base substrate including a bending region; and an insulating layer disposed on the base substrate wherein the insulating layer located in the bending region is provided with at least one recess and a surface of the recess includes a concave-convex structure.

公开(公告)号：US20250140163A1

公开(公告)日：2025-05-01

申请号：US18681870

申请日：2022-06-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shunhang ZHANG ,  Zhenyu ZHANG ,  Dongni LIU ,  Minghua XUAN ,  Yunsik IM ,  Zhen ZHANG ,  Peirou LI ,  Haoliang ZHENG ,  Li XIAO ,  Zhuo LI

IPC: G09G3/32

Abstract: The present disclosure provides a display panel and a display device. The display panel includes a plurality of pixel units distributed in an array. The pixel unit includes: a pixel driver circuit configured to provide a driving current, a plurality of sub-pixels configured to emit light under an action of the driving current, and a switching circuit including a plurality of switching units arranged in correspondence with the plurality of sub-pixels. The switching unit is connected in series between the pixel driver circuit and a corresponding sub-pixel, a control end of the switching unit is configured to receive a switching signal, a first end of the switching unit is connected to the pixel driver circuit, a second end of the switching unit is connected to the corresponding sub-pixel, and the switching unit conducts a communication path between the sub-pixel and the pixel driver circuit in response to the switching signal.