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公开(公告)号:US20250089417A1
公开(公告)日:2025-03-13
申请号:US18560482
申请日:2022-07-19
Applicant: BOE Technology Group Co., Ltd.
Inventor: Can WANG , Xiaochuan CHEN , Minghua XUAN , Can ZHANG , Ning CONG , Jinfei NIU , Jingjing ZHANG
Abstract: The present disclosure provides a display apparatus, a display panel and a method of preparing the same. A display panel includes: a base substrate; and a plurality of light-emitting units provided on the base substrate, where each of the light-emitting units includes a first electrode, a first semiconductor layer, a light-emitting layer, a second semiconductor layer, and a second electrode which are stacked, the first electrode is provided on a side of the second electrode facing away from the base substrate, and the plurality of light-emitting units share a common first electrode. The present disclosure can improve display resolution.
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公开(公告)号:US20250078727A1
公开(公告)日:2025-03-06
申请号:US18029106
申请日:2022-06-21
Applicant: BOE Technology Group Co., Ltd.
Inventor: Jinfei NIU , Minghua XUAN , Can ZHANG , Can WANG , Ning CONG , Jingjing ZHANG , Xiao BAI
IPC: G09G3/32
Abstract: A pixel circuit, a driving method therefor, a display substrate and a display device are provided. The pixel circuit includes a drive circuit and a light emitting element connected in series between a first power supply terminal and a third power supply terminal; the drive circuit is used for providing a drive current and controlling a time length of conduction of a current path between the first power supply terminal and the third power supply terminal; the light emitting element is used for receiving the drive current in the current path and emitting light; the drive circuit includes a drive control sub-circuit, a light emitting control sub-circuit and a time-length control sub-circuit; the drive control sub-circuit is used for providing a drive current to the first node under control of the first scan signal terminal, the first data signal terminal and the second node.
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公开(公告)号:US20250006873A1
公开(公告)日:2025-01-02
申请号:US18260656
申请日:2022-06-20
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Wei LI , Mingxing WANG , Xiao ZHANG , Minghua XUAN , Can ZHANG , Can WANG , Dongliang ZHANG , Qian JIN , Xiang LI , Jingjing ZHANG , Jinfei NIU
Abstract: A chip structure is provided. The chip structure includes: a chip wafer unit and a color conversion layer unit arranged on a light-exit side of the chip wafer unit. The chip wafer unit includes a plurality of sub-pixel light-emitting function layers. The color conversion layer unit includes color conversion layers arranged on the light-exit side of the chip wafer unit. The chip structure further includes: an attaching layer, arranged between the chip wafer unit and the color conversion layer unit and configured to attach the chip wafer unit and the color conversion layer unit.
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公开(公告)号:US20240405172A1
公开(公告)日:2024-12-05
申请号:US18261958
申请日:2022-07-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Can ZHANG , Can WANG , Minghua XUAN , Xiaochuan CHEN , Ning CONG , Jinfei NIU , Jingjing ZHANG
Abstract: The present disclosure provides a light-emitting substrate. The light-emitting substrate includes a backboard, a light-emitting layer and a plurality of first optical bodies. The light-emitting layer is located on a side of the backboard; the light-emitting layer includes a plurality of light-emitting units, and the plurality of light-emitting units are arranged in an array. Each first optical body includes a first optical portion and a second optical portion; a gap between two adjacent light-emitting units is filled with the first optical portion, and the second optical portion is located on a side of the light-emitting layer away from the backboard, and is connected to the first optical portion. The second optical portion includes a first surface extending outwards from an edge of the first optical portion.
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公开(公告)号:US20240284711A1
公开(公告)日:2024-08-22
申请号:US18018563
申请日:2022-02-23
Inventor: Ning CONG , Can ZHANG , Minghua XUAN , Jinfei NIU , Can WANG , Wei LI , Jingjing ZHANG , Xiaochuan CHEN
IPC: H10K59/121 , H10K59/12
CPC classification number: H10K59/1216 , H10K59/1201
Abstract: A display substrate, a preparation method therefor, and a display device. A display substrate includes a plurality of conductive layers disposed on a silicon-based substrate (101), a conductive layer includes a first sub-electrode plate (110) and a second sub-electrode plate (120), the first sub-electrode plate (110) and the second sub-electrode plate (120) form a first storage capacitor of a MOM capacitance structure, and another conductive layer comprises a third sub-electrode plate (130) and a fourth sub-electrode plate (140), the third sub-electrode plate (130) and the fourth sub-electrode plate (140) form a second storage capacitor of a MOM capacitance structure; the first sub-electrode plate (110) and the fourth sub-electrode plate (140) constitute a third storage capacitor of a MIM capacitance structure, and/or the second sub-electrode plate (120) and the third sub-electrode plate (130) constitute a fourth storage capacitor of a MIM capacitance structure.
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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.
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公开(公告)号:US20220309991A1
公开(公告)日:2022-09-29
申请号:US17530853
申请日:2021-11-19
Applicant: BOE Technology Group Co., Ltd.
Inventor: Lijun YUAN , Can ZHANG , Ning CONG , Wei LI , Can WANG , Jinfei NIU , Jingjing ZHANG , Minghua XUAN
IPC: G09G3/20
Abstract: The pixel driving circuit includes a current control sub-circuit configured to output a gray scale current signal to an element to be driven, and a gating sub-circuit. The gating sub-circuit is coupled to a scan signal terminal, a reset signal terminal, a gating data signal terminal and a pulse voltage signal terminal; the gating sub-circuit is configured to drive the element to be driven to continuously emit light under the control of a scan signal from the scan signal terminal and a gating data signal from the gating data signal terminal, and to drive the element to be driven to intermittently emit light under the control of a reset signal from the reset signal terminal, the gating data signal from the gating data signal terminal, and a pulse voltage signal from the pulse voltage signal terminal.
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公开(公告)号:US20240370123A1
公开(公告)日:2024-11-07
申请号:US18681535
申请日:2022-05-31
Inventor: Jingjing ZHANG , Wei HUANG , Zhaoxi YU , Guangning HAO , Shu ZHANG , Ze JIN , Zhongcheng LI , Wenbo DONG
Abstract: The present disclosure provides a display device. The display device includes a transparent cover plate, a display panel, a frame assembly and an infrared touch assembly. The frame assembly includes an outer frame and a light filtering strip. The light filtering strip is provided with a light filtering part that presses at a front side edge of the transparent cover plate. The outer frame includes an outer frame body, a front frame wall and a rear frame wall. An outer side end of the front frame wall is connected to the outer frame body. An inner side end of the front frame wall presses on a front side surface of the light filtering part. An outer side end of the rear frame wall is connected to the outer frame body. The infrared touch assembly is fixed between the front frame wall and the rear frame wall.
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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.
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公开(公告)号:US20250078726A1
公开(公告)日:2025-03-06
申请号:US18022173
申请日:2022-06-17
Applicant: BOE Technology Group Co., Ltd.
Inventor: Can ZHANG , Ning CONG , Can WANG , Jinfei NIU , Jingjing ZHANG , Minghua XUAN , Xiaochuan CHEN
IPC: G09G3/32
Abstract: A pixel circuit, a driving method thereof, a display substrate and a display device are disclosed. The pixel circuit includes a driving circuit and a light-emitting element, the driving circuit is configured to provide a driving current and control a conducting duration of a current pathway between the first power supply terminal and the second power supply terminal; the light-emitting element is configured to receive the driving current in the current pathway and emit light; the driving circuit includes a current control sub-circuit and a duration control sub-circuit; the current control sub-circuit is configured to provide a driving current to the first node under the control of the first scanning signal terminal, the first data signal terminal and the first power supply terminal in a display stage and a non-display stage.
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