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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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3.发明公开公开(公告)号：US20240275397A1
公开(公告)日：2024-08-15
申请号：US18561733
申请日：2021-05-19
Inventor： Yifan SONG , Xinle WANG , Wenchao HAN , Mingming WANG , Wanzhi CHEN , Jing LIU , Zhengri LIN
IPC: H03M1/12
CPC classification number: H03M1/1245
Abstract: Disclosed in embodiments of the present disclosure are an analog-to-digital conversion circuit, an integrated chip, a display device, and an analog-to-digital conversion method. A first conversion circuit converts an original analog signal to obtain a digital signal of a first bit width; a voltage division circuit performs voltage division on a first-level analog signal to obtain a second-level analog signal, the first-level analog signal being an original analog signal or a second-level analog signal obtained by a previous voltage division circuit adjacent to the voltage division circuit; a second conversion circuit converts the received second-level analog signal according to a preset algorithm to obtain a second digital signal of a second bit width; and a control calculation circuit obtains a target digital signal of a third bit width according to the first digital signal and the second digital signal.
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公开(公告)号：US20240304131A1
公开(公告)日：2024-09-12
申请号：US18027103
申请日：2022-03-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Zhaohui MENG , Lin CONG , Xin DUAN , Yifan SONG
IPC: G09G3/20
CPC classification number: G09G3/2096 , G09G2310/04 , G09G2320/10 , G09G2340/0435 , G09G2360/18 , G09G2370/00
Abstract: The present disclosure provides a display control method and device, an image processing device and display apparatus, and belongs to the technical field of display. The display control method of the present disclosure includes: determining a data stream format according to data streams for the tth frame of image; determining a dynamic region and image data thereof from the data streams for the tth frame of image when the data stream format is a regional transmission format; and transmitting the image data for the dynamic region and/or the image data for the (t−1)th frame of image in the buffer space to the display assembly according to the end-of-transmission identifier in the data streams for the tth frame of image and the configuration command of the tth frame of image, so that the display assembly refreshes the display image.
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Patent Agency Ranking
公开(公告)号：US20240268009A1
公开(公告)日：2024-08-08
申请号：US18014572
申请日：2021-12-27
Inventor： Yifan SONG , Zhaohui MENG , Wenchao HAN , Wei SUN
IPC: H05B47/11
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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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：US20200013355A1
公开(公告)日：2020-01-09
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：US20240230403A1
公开(公告)日：2024-07-11
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
CPC classification number: G01J1/44 , G01R31/2656 , G01J2001/4247 , G01J2001/4473
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：US20230030379A1
公开(公告)日：2023-02-02
申请号：US17757886
申请日：2021-09-10
Inventor： Xinle WANG , Yifan SONG , Yichi ZHANG , Yilin FENG , Wenchao HAN , Wei SUN
IPC: H01L27/146 , H01L29/786 , H01L29/66
Abstract: A peripheral area of the display panel is provided with a photosensitive TFT structure, the photosensitive TFT structure includes a reference TFT unit and a photosensitive TFT unit, first electrodes of a reference TFT included in the reference TFT unit and a photosensitive TFT included in the photosensitive TFT unit are connected to a signal input terminal of the photosensitive TFT structure; a second electrode of the reference TFT is connected to a second signal line of the photosensitive TFT structure; a second electrode of the photosensitive TFT is connected to a third signal line of the photosensitive TFT structure; a gate electrode of the reference TFT is connected to a first control terminal of the photosensitive TFT structure, and a gate electrode of the photosensitive TFT is connected to a second control terminal of the photosensitive TFT structure.
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