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公开(公告)号：US20240428711A1
公开(公告)日：2024-12-26
申请号：US18263378
申请日：2022-07-14
Inventor： Wei HAO , Junwei ZHANG , Xiaoyu ZHANG , Lingyun SHI
Abstract: A driver chip is disclosed. The driver chip includes: a logic control module, at least one output pin and a first functional pin. The at least one output pin is electrically connected to the logic control module, and the first functional pin is electrically connected to the logic control module. The first functional pin is capable of receiving a test signal, and the logic control module is configured to generate, according to the test signal, a test current flowing through each output pin.
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公开(公告)号：US20220117059A1
公开(公告)日：2022-04-14
申请号：US17364679
申请日：2021-06-30
Inventor： Wei HAO , Lingyun SHI , Wenchieh HUANG , Feifei WANG , Wengang SU , Rui SHI , Xingce SHANG , Junwei ZHANG , Kaimin YIN , Qibing GU , Lili JIA , Xiurong WANG
Abstract: A method of controlling a driving circuit applicable to a light-emitting substrate which includes a light-emitting assembly including a plurality of light-emitting-element strings connected in parallel, each of the plurality of light-emitting strings comprising a plurality of light-emitting-elements connected in series, the driving circuit connected to the plurality of light-emitting-element strings via a wiring, wherein the method comprises: obtaining a wiring IR drop, a light-emitting element string IR drop, a voltage deviation, and a channel IR drop; obtaining a target power supply voltage according to the wiring IR drop. the light-emitting element string IR drop, the voltage deviation, and the channel IR drop; comparing the target power supply voltage with an output voltage to obtain a comparison result; generating an adjustment signal according to the comparison result; and adjusting the output voltage according to the adjustment signal. A driving circuit and a light-emitting substrate are further provided.
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公开(公告)号：US20250140214A1
公开(公告)日：2025-05-01
申请号：US19010564
申请日：2025-01-06
Inventor： Junwei ZHANG , Wei HAO , Feifei WANG , Wengang SU , Kaimin YIN , Xingce SHANG , Taotao DUAN , Liguang GENG , Huangfei CHA , Yu DENG
IPC: G09G3/36 , G02F1/1335 , G02F1/13357 , H01L25/16
Abstract: A driver circuit includes a logic control component and a plurality of pins coupled to the logic control component. The plurality of pins include a clock pin, a data pin and at least two output pins. The clock pin is configured to receive a clock signal. The data pin is configured to receive, under control of the logic control component, a data signal in a period of an active level of the clock signal. The logic control component is configured to generate a driving control signal corresponding to each output pin according to the data signal, so as to control an electrical signal flowing through the output pin.
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公开(公告)号：US20250006774A1
公开(公告)日：2025-01-02
申请号：US18884221
申请日：2024-09-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ming YANG , Wei HAO , Qibing GU , Guofeng HU , Lingyun SHI , Minghua XUAN , Can ZHANG
Abstract: A light emitting plate, a wiring plate and a display device are provided. The light emitting plate includes light emitting units. Each light emitting unit includes a light emitting sub-unit including a connection line unit and a light emitting diode chip connected with the connection line unit. The connection line unit includes electrical contact pairs, and each electrical contact pairs includes a first electrode contact and a second electrode contact; in each connection line unit, the second electrode contacts are electrically connected with each other, the first electrode contacts are electrically connected with each other, and only one electrical contact pairs in each connection line unit is connected with the light emitting diode chip; in each connection line unit, at least two first electrode contacts are arranged adjacent to each other, and at least two first electrode contacts are arranged between at least two second electrode contacts.
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公开(公告)号：US20240274775A1
公开(公告)日：2024-08-15
申请号：US18648939
申请日：2024-04-29
Inventor： Wengang SU , Wei HAO , Haiwei SUN , Lingyun SHI , Feifei WANG , Rui SHI
IPC: H01L33/62 , H01L23/48 , H01L25/075 , H01L33/60
CPC classification number: H01L33/62 , H01L23/48 , H01L25/0753 , H01L33/60
Abstract: A backplane and a glass-based circuit board. The backplane includes: a base substrate and a plurality of light-emitting units, arranged in an array on the base substrate. Each of the light-emitting units includes at least one light-emitting sub-unit; the light-emitting sub-unit includes a connection line and a plurality of light-emitting diode chips connected with the connection line, and the light-emitting diode chips are located on a side of the connection line away from the base substrate. The connection line includes a first connection portion, a second connection portion and a third connection portion; in each of the light-emitting sub-units, the third connection portion includes a plurality of connection sub-portions, each of the connection sub-portions includes at least one electrical contact point; the electrical contact points at adjacent ends of adjacent connection sub-portions constitute an electrical contact point pair.
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Patent Agency Ranking
16.发明公开公开(公告)号：US20240170628A1
公开(公告)日：2024-05-23
申请号：US17786975
申请日：2021-07-30
Inventor： Chunjian LIU , Wei HAO , Zouming XU , Jian TIAN , Xintao WU , Jie LEI , Jie WANG , Jianying ZHANG , Wenjin FAN , Jiawei XU , Le LI , Jian ZHANG
CPC classification number: H01L33/62 , H01L25/167
Abstract: The present disclosure provides a light-emitting substrate and a manufacturing method thereof, a backlight and a display device. The light-emitting substrate includes a substrate including a plurality of light-emitting regions arranged in an array, each of the plurality of light-emitting regions including a driving circuit and at least one light-emitting unit connected to the driving circuit, a first electrically conductive portion on the substrate and connected to the driving circuit and the at least one light-emitting unit in each light-emitting region, and a second electrically conductive portion on the substrate and including a plurality of pads. The first electrically conductive portion and the second electrically conductive portion are on a same layer.
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公开(公告)号：US20240079443A1
公开(公告)日：2024-03-07
申请号：US18507284
申请日：2023-11-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ming YANG , Wei HAO , Qibing GU , Guofeng HU , Lingyun SHI , Minghua XUAN , Can ZHANG
CPC classification number: H01L27/156 , H01L33/387 , H01L33/62
Abstract: A light emitting plate, a wiring plate and a display device are provided. The light emitting plate includes light emitting units. Each light emitting unit includes a light emitting sub-unit including a connection line unit and a light emitting diode chip connected with the connection line unit. The connection line unit includes electrical contact pairs, and each electrical contact pairs includes a first electrode contact and a second electrode contact; in each connection line unit, the second electrode contacts are electrically connected with each other, the first electrode contacts are electrically connected with each other, and only one electrical contact pairs in each connection line unit is connected with the light emitting diode chip; in each connection line unit, at least two first electrode contacts are arranged adjacent to each other, and at least two first electrode contacts are arranged between at least two second electrode contacts.
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公开(公告)号：US20220123044A1
公开(公告)日：2022-04-21
申请号：US17281443
申请日：2020-01-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ming YANG , Wei HAO , Qibing GU , Guofeng HU , Lingyun SHI , Minghua XUAN , Can ZHANG
Abstract: A light emitting plate, a wiring plate and a display device are provided. The light emitting plate includes a base substrate; and light emitting units on the base substrate. Each of the light emitting units includes a light emitting sub-unit, the light emitting sub-unit includes a connection line unit and a light emitting diode chip connected with the connection line unit. The connection line unit includes at least two electrical contact pairs, and each of the at least two electrical contact pairs includes a first electrode contact and a second electrode contact; in each connection line unit, the second electrode contacts are electrically connected with each other, the first electrode contacts are electrically connected with each other, and only one of the at least two electrical contact pairs in each connection line unit is connected with the light emitting diode chip.
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公开(公告)号：US20210407441A1
公开(公告)日：2021-12-30
申请号：US16772226
申请日：2019-07-31
IPC: G09G3/34
Abstract: Disclosed are a backlight driving method, a display driving method, a drive device and a display device. The backlight driving method includes: receiving a frame of backlight data, wherein the frame of backlight data includes a plurality of first control signals which are respectively applied to the plurality of switching channels and serve as the switching control signals, and a plurality of second control signal groups respectively corresponding to the plurality of first control signals, each of the plurality of second control signal groups includes a plurality of second control signals which are respectively applied to the plurality of output channels and serve as the output control signals, and the plurality of first control signals are modulated non-constant width pulse signals respectively; and driving the backlight unit to emit light by using the plurality of first control signals and the plurality of second control signal groups.
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20.发明申请公开(公告)号：US20190340972A1
公开(公告)日：2019-11-07
申请号：US16209360
申请日：2018-12-04
Inventor： Wei HAO , Feifei WANG , Luqiang GUO , Jieqiong WANG , Ziqiang GUO
Abstract: A backlight driving circuit includes a backlight driving sub-circuit. The backlight driving sub-circuit includes at least one voltage receiving end; at least two switch sub-circuits and at least two driving ends. The voltage receiving end is connected to first electrodes of at least two light emitting elements. Second electrodes of the at least two light emitting elements are connected to first ends of the at least two switch sub-circuits, respectively. The control end of each switch sub-circuit receives a switch control signal. The second end of each switch sub-circuit is connected to a corresponding driving end. The first end and the second end of the switch sub-circuit are connected or disconnected under the control of the switch control signal.
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