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1.发明公开公开(公告)号：US20240088328A1
公开(公告)日：2024-03-14
申请号：US18263567
申请日：2021-10-22
Applicant: BOE Technology Group Co., Ltd.
Inventor： Bin QIN , Kuanjun PENG , Weixing LIU , Fangzhen ZHANG , Xue DONG , Jintao PENG , Wanpeng TENG , Xiaolong LI , Shuang SUN , Wanzhi CHEN , Guangcai YUAN , Qian JIA
CPC classification number: H01L33/385 , H01L27/15 , H01L33/06 , H01L33/145 , H01L33/54 , H01L33/60 , H01L33/62 , H01L33/642
Abstract: A light-emitting device, a light-emitting substrate, and a method for manufacturing the light-emitting device. The light-emitting device includes at least one light-emitting structure. The light-emitting structure includes: a first semiconductor layer; a light-emitting layer; a second semiconductor layer, doping ions of the second semiconductor layer and a first semiconductor layer being oppositely charged; a barrier structure provided with an opening for exposing the second semiconductor layer, the orthographic projection of the opening on the base substrate being located in the orthographic projection of the light-emitting layer on the base substrate, and the area of the opening being smaller than that of the light-emitting layer; and a landing electrode located on the side of the barrier structure facing away from the second semiconductor layer, the landing electrode being in contact with the second semiconductor layer by means of the opening.
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公开(公告)号：US20230352492A1
公开(公告)日：2023-11-02
申请号：US17641557
申请日：2021-03-19
Inventor： Chunping LONG , Qi QI , Wanzhi CHEN , Xinxin ZHAO
CPC classification number: H01L27/1248 , H01L25/167 , H01L33/62 , H01L33/30
Abstract: A light-emitting substrate and a display device. The light-emitting substrate includes a base substrate, an electrode layer and a definition pattern layer; the electrode layer is at a side of the base substrate, and the definition pattern layer is at a side of the electrode layer away from the base substrate; the electrode layer includes a first electrode, and the definition pattern layer covers at least a part of the first electrode; the definition pattern layer includes a plurality of first openings, the plurality of first openings expose a same first electrode. Therefore, the light-emitting substrate can ensure the bonding success rate of the light-emitting substrate, and thus can further improve the product yield of the light-emitting substrate.
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公开(公告)号：US20240355834A1
公开(公告)日：2024-10-24
申请号：US18688049
申请日：2022-07-28
Inventor： Bo HUANG , Jianyun XIE , Jingyi XU , Hong LIU , Yongqiang ZHANG , Shuai HAN , Zhenhong XIAO , Pengyu ZHAO , Hao WANG , Wanzhi CHEN
IPC: H01L27/12
CPC classification number: H01L27/124 , H01L27/1222
Abstract: A display substrate, a display panel, and a display apparatus. The display substrate includes a base substrate; a gate line extending in a first direction on the base substrate; and a transistor located on the base substrate, where the transistor includes a gate electrode and a first electrode that is located at a side of a layer where the gate electrode is located away from the base substrate, part of the gate line is used as the gate electrode, an orthogonal projection of the gate electrode on the base substrate in a second direction is located within an orthogonal projection of the first electrode on the base substrate in the second direction, and the second direction intersects with the first direction.
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公开(公告)号：US20240304155A1
公开(公告)日：2024-09-12
申请号：US17769766
申请日：2021-05-28
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xinle WANG , Wenchao HAN , Yifan SONG , Zhaohui MENG , Lianghao ZHANG , Yilin FENG , Zhengri LIN , Mingming WANG , Wei SUN , Rui LIU , Xin DUAN , Jing LIU , Wanzhi CHEN
IPC: G09G3/34 , G02F1/1335 , G06F3/041 , G09G3/36
CPC classification number: G09G3/3406 , G02F1/133612 , G09G3/36 , G06F3/0412 , G06F3/0416 , G09G2320/0626 , G09G2354/00 , G09G2360/144 , G09G2370/10
Abstract: Disclosed are a brightness control apparatus and method, and a display apparatus. The brightness control apparatus includes an optical detection circuit and an integrated circuit chip connected with the optical detection circuit. The optical detection circuit includes at least one transistor, configured to detect a light intensity of light to be detected corresponding to an environment where a display panel is located, and generate an electrical signal corresponding to the light intensity of the light to be detected.
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公开(公告)号：US20240169947A1
公开(公告)日：2024-05-23
申请号：US17778865
申请日：2021-06-23
Inventor： Zhengri LIN , Wenchao HAN , Xinle WANG , Yifan SONG , Wanzhi CHEN , Jing LIU , Wei SUN , Rui LIU , Xin DUAN , Zhaohui MENG , Mingming WANG , Lianghao ZHANG , Jiantao LIU
IPC: G09G3/36 , G02F1/133 , G02F1/1362 , H01L27/144
CPC classification number: G09G3/3607 , G02F1/13318 , G02F1/136204 , H01L27/1443 , G09G2320/0233 , G09G2320/0242 , G09G2360/144
Abstract: A display substrate includes a base substrate, a plurality of photosensitive transistor units, a plurality of photosensitive ESD protection units, and at least one common signal line. The base substrate includes a display region, a peripheral region located at a periphery of the display region, and a binding region located at a side of the display region. The plurality of photosensitive transistor units, the plurality of photosensitive ESD protection units and the at least one common signal line are located in the peripheral region. The plurality of photosensitive transistor units is connected with binding pins in the binding region through a plurality of signal lines. At least one photosensitive ESD protection unit is connected with, and located between, at least one signal line and the common signal line.
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Patent Agency Ranking
公开(公告)号：US20240282263A1
公开(公告)日：2024-08-22
申请号：US18650738
申请日：2024-04-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Weixing LIU , Kuanjun PENG , Bin QIN , Xue DONG , Fangzhen ZHANG , Wanpeng TENG , Tieshi WANG , Wanzhi CHEN , Kai GUO , Chunfang ZHANG
IPC: G09G3/3233 , H01L27/15 , H01L33/06 , H01L33/38
CPC classification number: G09G3/3233 , H01L27/156 , H01L33/06 , H01L33/38 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2310/0262 , G09G2310/08 , G09G2320/0233
Abstract: A pixel driving circuit includes a data writing circuit, a light-emitting control circuit, a switching circuit and a light-emitting diode chip. The data writing circuit is electrically connected to a first scanning signal terminal, a data signal terminal and a first node. The light-emitting control circuit is configured to transmit a first voltage signal received at the first voltage signal terminal to a second node. The switching circuit includes switching transistors. The light-emitting diode chip is electrically connected to the second node. The light-emitting diode chip includes light-emitting portions. The light-emitting diode chip is configured to drive the light-emitting portions to emit light in different periods of time respectively or drive at least two light-emitting portions to emit light in a same period of time. At least part of the light-emitting portions are sequentially connected in series through at least one switching transistor.
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公开(公告)号：US20240268788A1
公开(公告)日：2024-08-15
申请号：US18646703
申请日：2024-04-25
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yonggang CAO , Xue DONG , Lei WANG , Yue GOU , Yuanyuan MA , Yue TONG , Yangbing LI , Yanling HAN , Wanzhi CHEN
CPC classification number: A61B8/4488 , A61B8/54 , B06B1/0276 , B06B1/0611 , B06B1/064 , H10N39/00 , B06B2201/76
Abstract: Disclosed are an ultrasonic probe, an ultrasonic apparatus and a detection method. The ultrasonic probe includes: multiple transmitting transducers; multiple receiving transducers, each receiving transducer includes a receiving component and an ultrasonic control circuit electrically connected with the receiving component, and the multiple receiving components are distributed in an array; and multiple scanning signal lines and multiple readout signal lines, each of the scanning signal lines is located in a row gap between adjacent receiving components, each of the readout signal lines is located in a column gap between adjacent receiving components, multiple receiving components in the same row are electrically connected with the same scanning signal line by means of corresponding ultrasonic control circuits, and multiple receiving components in the same column are electrically connected with the same readout signal line by means of corresponding ultrasonic control circuits.
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公开(公告)号：US20240212633A1
公开(公告)日：2024-06-27
申请号：US17914336
申请日：2021-10-25
Inventor： Wenchao HAN , Wei SUN , Xinle WANG , Yifan SONG , Jing LIU , Xue DONG , Wanzhi CHEN
IPC: G09G3/34
CPC classification number: G09G3/3406 , G09G2320/041 , G09G2320/0626 , G09G2320/0693 , G09G2360/14
Abstract: The present disclosure provides a brightness adjusting method and system for a display apparatus, and belongs to the algorithm field. In the brightness adjusting method for a display apparatus provided by the present disclosure, the display apparatus includes a photosensitive sampling circuit, and the photosensitive sampling circuit includes at least one photosensitive device. The method includes: acquiring a current first sampling signal of each of the at least one photosensitive device; determining a second sampling signal of the photosensitive device according to an initial sampling signal acquired in advance and the first sampling signal; and calibrating the second sampling signal according to a preset calibration algorithm to obtain an actual sampling signal.
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公开(公告)号：US20220367833A1
公开(公告)日：2022-11-17
申请号：US17761600
申请日：2021-05-19
Inventor： Hong LIU , Jingyi XU , Yongqiang ZHANG , Peng LIU , Peirong HUO , Wanzhi CHEN , Xiaochun XU , Jiantao LIU , Bo LI
Abstract: A display substrate and a manufacturing method therefor, and a display device. The display substrate comprises: a substrate, the substrate comprising a blind hole area; a buffer layer covering one side of the substrate; an organic film layer provided on the surface of the buffer layer away from the substrate and having a first opening in the blind hole area; a passivation layer provided on the side of the organic film layer away from the substrate and having a second opening in the blind hole area; and a transparent electrode layer covering the passivation layer and the buffer layer in the second opening.
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公开(公告)号：US20240363814A1
公开(公告)日：2024-10-31
申请号：US18247331
申请日：2022-03-03
Inventor： Qi QI , Jian XU , Wanzhi CHEN , Xinxin ZHAO
CPC classification number: H01L33/60 , G02B5/0242 , G02B5/0278 , H01L25/167
Abstract: A display device includes a display panel and a light-emission board which includes a base substrate and light-emission units, and a maximum size of the light-emission unit in a direction parallel to the base substrate is not greater than 3 mm; connecting lines of centers of four immediately adjacent light-emission units define a quadrangle; a connecting line of centers of two light-emission units that define the quadrangle and have a largest distance therebetween passes through two first points in edges, close to each other, of the two light-emission units; a distance between the two first points is a first distance D1; an included angle between an outermost light ray of light rays emitted by the light-emission unit and a plane parallel to the base substrate is θ; and a minimum distance between surfaces, close to each other, of the display panel and the base substrate is not less than D1*tanθ/2.
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