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公开(公告)号：US12288516B2
公开(公告)日：2025-04-29
申请号：US18257385
申请日：2022-06-24
IPC: G09G3/3225 , G02F1/1345 , G09G3/32 , G09G3/36 , H10K59/126 , H10K59/131
Abstract: A display module includes a display panel, at least one bonding circuit board, a plurality of chip-on-films, and a plurality of buffer devices. The at least one bonding circuit board each include first differential lines, and a first differential line includes a P-polarity differential sub-line and an N-polarity differential sub-line. An end of a chip-on-film is connected to the first differential line, and the other end of the chip-on-film is connected to the display panel. The buffer devices are arranged on the bonding circuit board, a buffer device is connected to ends, proximate to the chip-on-film, of the P-polarity differential sub-line and the N-polarity differential sub-line, and the buffer device is configured to reduce signal reflection between the first differential line and the chip-on-film.
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公开(公告)号：US12211426B2
公开(公告)日：2025-01-28
申请号：US17922502
申请日：2021-09-08
Inventor： Huihui Li , Wenchao Bao , Song Meng , Jingbo Xu
IPC: G09G3/32
Abstract: An image dis play method applied to a display apparatus includes: establishing a correspondence table between a threshold voltage of a sub-pixel and a compensation voltage, the correspondence table including at least one adjustment interval, an adjustment interval including a first and second threshold voltage endpoint values, the first threshold voltage endpoint value being less than the second threshold voltage endpoint value; acquiring a threshold voltage of each sub-pixel; determining an adjustment interval in which the acquired threshold voltage is located according to the corresponding table; acquiring a compensation voltage corresponding to the acquired threshold voltage according to the correspondence table and the determined adjustment interval; and determining, in a case where the display apparatus is to display a black image, a data voltage required by each sub-pixel according to the acquired threshold voltage and the acquired compensation voltage.
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公开(公告)号：US12164201B2
公开(公告)日：2024-12-10
申请号：US17478267
申请日：2021-09-17
Inventor： Huihui Li , Wenchao Bao , Song Meng
IPC: G02F1/1345
Abstract: The present disclosure provides a chip on film and a display device. The chip on film includes: a first end, wherein a first row of bonding terminals and a second row of bonding terminals are arranged on a first surface of the first end, the first row of bonding terminals and the second row of bonding terminals are spaced apart and insulated from each other, and the first row of bonding terminals is closer to a center of the chip on film than the second row of bonding terminals; and a plurality of leads, extending in a second direction and including a first part and a second part. A first end section of each lead of the first part serves as one of the first row of bonding terminals, a first end section of each lead of the second part serves as one of the second row of bonding terminals.
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公开(公告)号：US12094404B2
公开(公告)日：2024-09-17
申请号：US17701615
申请日：2022-03-22
Inventor： Wenchao Bao , Song Meng , Min He , Huihui Li
IPC: G09G3/3225 , G02F1/1345 , G09G3/00 , G09G3/34 , G09G3/36 , H01L51/52 , H02M1/32 , H05B45/60 , H05K1/18 , H10K50/80
CPC classification number: G09G3/3225 , G09G3/006 , H05K1/189 , H10K50/868 , G09G2330/021 , H05K2201/10128
Abstract: A display module includes a display panel, a power supply driver, a voltage signal line, a sampling resistor and a detection and control circuit. The voltage signal line is connected between the display panel and the power supply driver. The sampling resistor is connected in series with the voltage signal line. The detection and control circuit is connected to two ends of the sampling resistor and the power supply driver. The detection and control circuit is configured to: detect a voltage across the sampling resistor or a current flowing through the sampling resistor; and control the power supply driver to generate a driving voltage equal to a preset value lower than a voltage threshold, if determining that the voltage across the sampling resistor is greater than or equal to the voltage threshold, or if determining that the current is greater than or equal to a current threshold.
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公开(公告)号：US12288514B2
公开(公告)日：2025-04-29
申请号：US18577122
申请日：2022-08-18
Inventor： Wenchao Bao , Zhidong Yuan , Xiaolong Wei , Min He , Huihui Li
IPC: G09G3/30 , G09G3/20 , G09G3/3208 , G09G3/36
Abstract: A display method, including: performing a full-screen display refresh on a display panel at a first refresh rate; meanwhile, setting a refresh factor to n, where n is a positive integer; refreshing the local area of the display panel at the second refresh rate; increasing the refresh factor by m, where m is a positive integer; determining whether the refresh factor is greater than or equal to a set value; if yes, performing the full-screen display refresh on the display panel at the first refresh rate; setting the refresh factor to n; and if no, continuing refreshing the same local area of the display panel at the second refresh rate; increasing the refresh factor by m, where the second refresh rate is greater than the first refresh rate, and the second refresh rate is an integer multiple of the first refresh rate.
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Patent Agency Ranking
公开(公告)号：US20210210025A1
公开(公告)日：2021-07-08
申请号：US16068489
申请日：2017-11-21
Inventor： Mengyu Luan , Xuehuan Feng , Xinfeng Wu , Youyuan Hu , Fei Li , Xinzhu Wang , Huihui Li , Qi Hu
IPC: G09G3/3291 , G09G3/3258
Abstract: The present application provides a pixel compensation circuit, a method for driving the same, and a display apparatus. The pixel compensation circuit includes a light emitting element, a current control sub-circuit and a reverse bias sub-circuit. The current control sub-circuit is coupled to a first terminal of the light emitting element and is configured to control current flowing between a first terminal and a second terminal of the light emitting element. The reverse bias sub-circuit is coupled to a first control signal line and a second terminal of the light emitting element respectively. The reverse bias sub-circuit is configured to set the second terminal of the light emitting element to be at a first bias voltage under the control of a signal on the first control signal line, so that the light emitting element is maintained in a reverse bias state.
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公开(公告)号：US10784461B2
公开(公告)日：2020-09-22
申请号：US16426014
申请日：2019-05-30
Inventor： Xinzhu Wang , Youyuan Hu , Fei Li , Xinfeng Wu , Huihui Li
Abstract: The disclosure discloses a display panel and a display device, and the display panel includes: a base substrate, a drive wire layer on the base substrate, a planarization layer on a side of the drive wire layer facing away from the base substrate, a plurality of anodes in a form of an array on a side of the planarization layer facing away from the drive wire layer, a light-emitting layer on sides of respective anodes and the planarization layer facing away from the drive wire layer, and a transparent cathode layer on a side of the light-emitting layer facing away from the respective anodes, where the planarization layer includes grooves between the respective anodes, and auxiliary cathodes on a surface of the transparent cathode layer on a side thereof facing away from the light-emitting layer are arranged in the grooves.
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公开(公告)号：US20200243660A1
公开(公告)日：2020-07-30
申请号：US16641339
申请日：2018-11-19
Inventor： Mengyu Luan , Yuching Peng , Fei Li , Lin Chen , Youyuan Hu , Huihui Li , Xinfeng Wu , Xinzhu Wang
IPC: H01L29/423 , H01L29/417 , H01L27/12 , H01L29/66 , H01L21/4763 , H01L21/027 , H01L21/4757 , H01L29/786
Abstract: The present disclosure relates to a thin film transistor and a manufacturing method thereof, a flexible display screen and a display device. The thin film transistor is disposed on a substrate. The thin film transistor includes: an active layer, a source-drain conductive layer, and a gate conductive layer. The gate conductive layer includes a gate electrode, and the gate conductive layer is disposed on one side of the active layer away from the substrate and insulated from the active layer. The source-drain conductive layer includes a first electrode and a second electrode. The orthogonal projections of the first electrode, the gate electrode, and the second electrode on the substrate are sequentially nested from inside to outside and separately disposed. The reliability of image display may be improved.
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公开(公告)号：US11233115B2
公开(公告)日：2022-01-25
申请号：US16624400
申请日：2018-11-15
Abstract: A display panel and a manufacturing method thereof, and a display device are disclosed. The display panel includes: a substrate, a plurality of pixel units and a pixel defining layer, each of at least one of the pixel units comprises an organic functional layer, and the organic functional layer has a raised edge; an orthographic projection of the organic functional layer of each pixel unit on the substrate is surrounded by an orthographic projection of the second defining layer on the substrate, an orthographic projection of the first defining layer on the substrate covers the orthographic projection of the second defining layer on the substrate, and the orthographic projection of the first defining layer on the substrate overlaps with an orthographic projection of at least a portion of the raised edge on the substrate the brightness uniformity of the display panel may be improved.
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公开(公告)号：US11501709B2
公开(公告)日：2022-11-15
申请号：US17552570
申请日：2021-12-16
Inventor： Chengji Deng , Dongyu Gao , Huihui Li , Han Nie , Jia Chen , Xin Li , Gen Zhao
IPC: G09G3/3233 , H01L27/32 , H01L51/50
Abstract: The embodiment of the present disclosure provides a display panel and a display device. The display panel includes: a first sub-pixel configured to display a first color, a second sub-pixel configured to display a second color, and a third sub-pixel configured to display a third color; when a picture displayed by the display panel is switched from a black picture to a picture having a maximum gray scale of the first color, the second color and the third color, respectively, a ratio of a brightness of a first frame of picture to a maximum value among brightness of stabilized several frames of pictures is a first initial frame brightness proportion, a second initial frame brightness proportion and a third initial frame brightness proportion, respectively; the first, second and third initial frame brightness proportions have a Max-Min less than or equal to a threshold.
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