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公开(公告)号：US20240395212A1
公开(公告)日：2024-11-28
申请号：US17997125
申请日：2021-10-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Chenyang Zhang , Zhenyu Zhang , Hongrun Wang , Haixu Li , Fuqiang Li
IPC: G09G3/3258 , G09G3/32 , H10K59/121 , H10K59/123 , H10K59/131 , H10K59/35
Abstract: A display substrate includes a plurality of pixel circuits arranged in an array and a plurality of light emitting devices provided on a substrate, and at least one pixel circuit is connected to a corresponding light emitting device through a conductive structure. At least some of the pixel circuits in at least one column include a first pixel circuit and a second pixel circuit arranged on a side of the first pixel circuit away from the substrate, orthographic projections of the second pixel circuit and the first pixel circuit on the substrate partially overlap to form an overlapping portion defining a first pattern, and an orthographic projection of a conductive structure of the first pixel circuit on the substrate, the first pattern, and an orthographic projection of a conductive structure of the second pixel circuit on the substrate are sequentially arranged in a first direction.
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公开(公告)号：US12154496B2
公开(公告)日：2024-11-26
申请号：US18270850
申请日：2021-02-26
Inventor： Shaolei Zong , Jigang Sun , Rui Liu , Xin Duan , Wei Sun , Junwei Zhang , Hongrun Wang , Fuqiang Li , Changfeng Sun , Hui Zhang , Xue Dong
IPC: G09G3/3225 , G09G3/20 , G09G3/36 , H04N23/611 , H04N23/67
Abstract: Disclosed are a display panel, a display device and a driving method. The display panel includes a plurality of sub-pixel units located in areas formed by the plurality of scanning signal lines and the plurality of data signal lines, and at least two adjacent sub-pixel units in the first direction and the second direction constitute a pixel island. A plurality of control units each corresponding to a sub-pixel unit row in the pixel island are provided. The control unit includes a control terminal, an input terminal and an output terminal. The control unit is configured to transmit a signal from the input terminal to the output terminal under control of a first signal transmitted by a control signal line corresponding to the control unit, and stop transmitting the signal from the input terminal to the output terminal under control of a second signal transmitted by the control signal line.
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公开(公告)号：US11893936B2
公开(公告)日：2024-02-06
申请号：US17796118
申请日：2021-05-07
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Zhichong Wang , Fuqiang Li , Peng Liu , Jing Feng , Xinglong Luan
IPC: G09G3/3233 , G09G3/3275
CPC classification number: G09G3/3233 , G09G3/3275 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/0202 , G09G2310/08 , G09G2320/0233
Abstract: A pixel driving circuit includes a driving sub-circuit, a signal writing sub-circuit, a compensation sub-circuit, a light-emitting control sub-circuit and an initialization sub-circuit. The signal writing sub-circuit is configured to write a voltage of a data signal terminal into the driving sub-circuit as a data voltage. The light-emitting control sub-circuit is configured to, in conjunction with the driving sub-circuit, drive a light-emitting device to emit light. The initialization sub-circuit is configured to transmit the voltage from the data signal terminal to the compensation sub-circuit as a reset voltage. The compensation sub-circuit is configured to transmit the reset voltage from the initialization sub-circuit to the driving sub-circuit to reset the driving sub-circuit.
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公开(公告)号：US11875596B2
公开(公告)日：2024-01-16
申请号：US17771706
申请日：2021-03-12
Applicant: BOE Technology Group Co., Ltd.
Inventor： Lubin Shi , Hongrun Wang , Fuqiang Li , Wenqu Liu
IPC: G06F3/041 , G06V40/13 , G02F1/1362 , G02B27/30
CPC classification number: G06V40/1318 , G02B27/30 , G02F1/136209 , G02F1/136222
Abstract: Disclosed are a display panel and a display apparatus. The display panel includes an opposing substrate, an array substrate and a liquid crystal layer. The array substrate includes: a first base substrate; a color film layer, includes a black matrix and a plurality of color resistors, the black matrix includes a plurality of pixel openings and a plurality of first light transmitting holes, and color resistors is arranged one pixel opening correspondingly; and photosensitive sensors, arranged between the color film layer and the first base substrate, orthographic projections of the plurality of photosensitive sensors on the first base substrate are in an orthographic projection of the black matrix on the first base substrate, and the orthographic projection of each of the plurality of photosensitive sensors on the first base substrate covers an orthographic projection of at least one the plurality of first light transmitting holes on the first base substrate.
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5.发明公开公开(公告)号：US20230163141A1
公开(公告)日：2023-05-25
申请号：US18098765
申请日：2023-01-19
Inventor： Lei Li , Jun Fan , Fuqiang Li , Taiyang Liu
IPC: H01L27/12 , H01L29/786
CPC classification number: H01L27/1244 , H01L27/1259 , H01L29/78633 , G02F1/136209
Abstract: The present disclosure is related to a thin film transistor. The thin film transistor may include a gate pattern; an active layer pattern; a gate insulating layer between the gate pattern and the active layer pattern; a first conductive pattern including a first pattern part and a first connecting part ; a second conductive pattern a second pattern part and a second connecting part; and a first intermediate insulating layer between the first pattern part and the second pattern part. The first conductive pattern and the second conductive pattern may be a source pattern and a drain pattern, respectively. A first through hole may be provided on the first intermediate insulating layer. The second conductive pattern may be connected to the active layer pattern through the second connecting part in the first through hole.
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Patent Agency Ranking
公开(公告)号：US11469254B2
公开(公告)日：2022-10-11
申请号：US16605588
申请日：2019-04-08
Inventor： Peng Liu , Fuqiang Li , Jun Fan , Bailing Liu , Jianjun Zhang , Yusheng Liu , Mei Li
IPC: H01L27/12 , G06F3/041 , H01L29/786 , H01L29/66 , G02F1/1362 , G06F3/044
Abstract: An array substrate, a method of manufacturing an array substrate, a display panel, and an electronic device are provided. The array substrate includes a display area and a peripheral area; the display area includes a pixel region, the pixel region includes a first thin film transistor, and the first thin film transistor includes a first active layer; the peripheral area includes a second thin film transistor, and the second thin film transistor includes a second active layer; and the first active layer includes a material of oxide semiconductor, and the second active layer includes a material of poly-silicon semiconductor.
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公开(公告)号：US11232749B2
公开(公告)日：2022-01-25
申请号：US17265828
申请日：2020-05-14
Inventor： Zhichong Wang , Fuqiang Li , Jing Feng , Peng Liu , Xinglong Luan , Gaoming Sun
IPC: G09G3/3233
Abstract: Disclosed are a pixel circuit and a driving method thereof, an array substrate and a display device. The pixel circuit includes: a driving circuit, including a control terminal, a first terminal and a second terminal, and configured to control a driving current flowing through the first terminal and the second terminal for driving a light-emitting element to emit light; and input circuit, configured to transmit a reset voltage and a data signal in response to a first scan signal; a reset circuit, configured to apply the reset voltage to the control terminal in response to a second scan signal; a compensation circuit, configured to store the data signal and to electrically connect the control terminal with the second terminal in response to a third scan signal; and a data writing circuit, configured to apply the data signal to the compensation circuit in response to the third scan signal.
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公开(公告)号：US20210132501A1
公开(公告)日：2021-05-06
申请号：US17083979
申请日：2020-10-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Zhichong Wang , Fuqiang Li , Peng Liu , Jing Feng , Xinglong Luan , Guangcai Yuan , Xue Dong
Abstract: A digital exposure machine and an exposure control method thereof are disclosed. The exposure control method of the digital exposure machine includes: determining a scanning direction of the digital exposure machine, wherein a plurality of sub-pixels in an array include multiple rows of sub-pixels arranged in the scanning direction, the multiple rows of sub-pixels including a first row of sub-pixels in the scanning direction; determining a starting scanning position, the starting scanning position being located on an outer side of the first row of sub-pixels in the scanning direction; and performing a plurality of scannings to expose a display region of the first display substrate to be exposed, wherein a scanning pitch for each of the plurality of scannings is integer times of a pitch of two adjacent rows of sub-pixels of the first display substrate in the scanning direction.
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公开(公告)号：US10923057B2
公开(公告)日：2021-02-16
申请号：US16170395
申请日：2018-10-25
Inventor： Yishan Fu , Jun Fan , Fuqiang Li , Jiguo Wang
IPC: G09G3/36
Abstract: A pixel circuit and a display device are provided. The pixel circuit includes: a first inverter circuit having an input terminal connected to a first node and an output terminal connected to a second node; a second inverter circuit having an input terminal connected to the second node and an output terminal connected to a third node; a first switching circuit configured to disconnect a connection between the first node and the third node when a first scanning signal is at an active level; and a control circuit configured to control a level of at least one of the first node and the second node according to a level control signal when the first scanning signal is at an active level. Based on this, it can help to avoid the output signal abnormality of the latch inside the pixel and enhance the working stability of the pixel circuit.
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公开(公告)号：US10923033B2
公开(公告)日：2021-02-16
申请号：US16600908
申请日：2019-10-14
Inventor： Zhichong Wang , Fuqiang Li , Jing Feng , Peng Liu , Xinglong Luan
IPC: G09G3/3258
Abstract: Disclosed are a pixel circuitry, a method for driving the same and a display device. The pixel circuitry includes a light-emitting element, a driving circuit, a compensation control circuit, an initialization circuit, an energy storage circuit, a writing control circuit and a light-emitting control circuit. The driving circuit is configured to drive the light-emitting element to emit light. The initialization circuit is configured to write an initialization voltage to a control end of the driving circuit to control the driving circuit to be turned on or off. The compensation control circuit is configured to turn on the driving circuit and perform threshold voltage compensation on the driving circuit. The writing control circuit is configured to write a data voltage inputted by a data line to a second end of the energy storage circuit and write a reference voltage to the second end of the energy storage circuit.
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