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公开(公告)号：US11011097B2
公开(公告)日：2021-05-18
申请号：US16395652
申请日：2019-04-26
Inventor： Wenchao Han , Yifan Song , Wei Sun , Jigang Sun
IPC: G09G3/20
Abstract: A method for driving a display panel is disclosed. The display panel includes a plurality of sub-pixels arranged in an array, a plurality of data input ports, a plurality of groups of data lines, and a plurality of groups of selection switches, wherein each group of data lines includes a plurality of data lines coupled to the same data input port through a plurality of selection switches in a corresponding group of selection switches. The method includes: sequentially turning on a plurality of selection switches according to a first sequence when an Mth row of sub-pixels of the display panel is scanned; and sequentially turning on the plurality of selection switches according to a second sequence when an (M+1)th row of sub-pixels of the display panel is scanned, wherein M is a positive integer greater than or equal to 1, and the first sequence is different from the second sequence.
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公开(公告)号：US12236901B2
公开(公告)日：2025-02-25
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 , G09G3/36 , G06F3/041
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：US12058795B1
公开(公告)日：2024-08-06
申请号：US18014572
申请日：2021-12-27
Inventor： Yifan Song , Zhaohui Meng , Wenchao Han , Wei Sun
CPC classification number: H05B47/11
Abstract: In the backlight control circuit; a luminous flux sensing sub-circuit senses luminous flux of a display device, obtains and outputs a first control signal from a first control signal output terminal; a control sub-circuit includes N control units each including a first/second sub-unit; the first sub-unit connects or disconnects an output terminal of the second sub-unit and the backlight control signal output terminal under the control of the first control signal, the second sub-unit connects or disconnects a signal input terminal and the output terminal of the second sub-unit under the control of the second control signal; the N second control signal output terminals provide effective second control signals in a time division manner; conduction thresholds corresponding to the N first sub-units increase sequentially, and when a corresponding relationship between the first control signal and the conduction threshold is met, the first transistor is turned on.
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Patent Agency Ranking
4.发明授权公开(公告)号：US12170042B2
公开(公告)日：2024-12-17
申请号：US17778489
申请日：2021-05-18
Inventor： Lianghao Zhang , Xinle Wang , Yifan Song , Wenchao Han , Zhaohui Meng , Wanzhi Chen , Jing Liu
IPC: G09G3/20
Abstract: There is provided a detection circuit, a display panel and a detection method. The detection circuit includes: a conversion circuit configured to acquire a photoelectric sensing signal in real time and convert the acquired photoelectric sensing signal into a luminance value; a storage circuit configured to store N luminance values from the conversion circuit on a first input first output basis; a discrimination circuit connected to the storage circuit and configured to determine whether at least two of the N luminance values meet a preset condition; and an output circuit connected to the discrimination circuit and the storage circuit, and configured to output a preset default luminance value in response to the at least two luminance values meeting the preset condition and output at least one of the N luminance values in response to the at least two luminance values not meeting the preset condition.
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公开(公告)号：US12148401B2
公开(公告)日：2024-11-19
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
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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公开(公告)号：US10971091B2
公开(公告)日：2021-04-06
申请号：US16400432
申请日：2019-05-01
Inventor： Wenchao Han , Wei Sun , Wei Wang , Yifan Song
IPC: G09G3/36 , G02F1/1335
Abstract: An array substrate, a display panel and a driving method thereof, and a display device are provided. The array substrate includes a plurality of pixel units arranged in an array, each of the plurality of pixel units includes at least four sub-pixel units corresponding to different colors. When the array substrate displays a frame of image, in each row of pixel units, polarities of pixel voltages received by two sub-pixel units corresponding to the same color in adjacent two pixel units are different; a polarity of each pixel voltage represents the magnitude of each pixel voltage relative to a common voltage.
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公开(公告)号：US12181338B2
公开(公告)日：2024-12-31
申请号：US17925214
申请日：2021-12-27
Inventor： Yifan Song , Wenchao Han , Zhaohui Meng , Wei Sun
IPC: G01J1/44 , G01R31/265 , G01J1/42
Abstract: The present disclosure provides a luminous flux test circuitry, a test method and a display panel. The luminous flux test circuitry includes two test sub-circuitries, a control sub-circuitry and a light-shielding pattern. Each test sub-circuitry includes N photosensitive transistors; an output end of each photosensitive transistor in a first test sub-circuitry is coupled to a first input end of the control sub-circuitry; an output end of each photosensitive transistor in a second test sub-circuitry is coupled to a second input end of the control sub-circuitry; the light-shielding pattern covers the photosensitive transistors in the second test sub-circuitry; at a sampling stage, the photosensitive transistors in each test sub-circuitry are in a reverse bias state; and the control sub-circuitry is configured to determine a luminous flux detected by the photosensitive transistors in the first test sub-circuitry in accordance with a leakage current generated by the photosensitive transistors in each test sub-circuitry.
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公开(公告)号：US20240153423A1
公开(公告)日：2024-05-09
申请号：US17778489
申请日：2021-05-18
Inventor： Lianghao Zhang , Xinle Wang , Yifan Song , Wenchao Han , Zhaohui Meng , Wanzhi Chen , Jing Liu
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G2310/0286 , G09G2310/0297 , G09G2320/0626 , G09G2360/144 , G09G2360/16
Abstract: There is provided a detection circuit, a display panel and a detection method. The detection circuit includes: a conversion circuit configured to acquire a photoelectric sensing signal in real time and convert the acquired photoelectric sensing signal into a luminance value; a storage circuit configured to store N luminance values from the conversion circuit on a first input first output basis; a discrimination circuit connected to the storage circuit and configured to determine whether at least two of the N luminance values meet a preset condition; and an output circuit connected to the discrimination circuit and the storage circuit, and configured to output a preset default luminance value in response to the at least two luminance values meeting the preset condition and output at least one of the N luminance values in response to the at least two luminance values not meeting the preset condition.
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