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公开(公告)号：US20240347016A1
公开(公告)日：2024-10-17
申请号：US18579433
申请日：2023-01-03
发明人： Qing LI , Panhui ZHAO , Liugang ZHOU , Ke DAI , Jun WANG , Jianwei SUN , Yunyun LIANG , Yanting HUANG , Yu QUAN , Yunlu CHEN , Zhengru PAN , Jiantao LIU
IPC分类号： G09G3/36
CPC分类号： G09G3/3607 , G09G3/3688 , G09G2310/08 , G09G2320/0257 , G09G2320/0271
摘要： A method for driving a display panel and a display device, the method includes: acquiring an original grayscale value of each sub-pixel in an mth row and a target grayscale value corresponding to a data voltage input to each sub-pixel in an (m−1)th row m being an integer greater than 1; if, in a same column, the original grayscale value of the sub-pixel in the mth row is larger than the target grayscale value corresponding to the data voltage input to the sub-pixel in the (m−1)th row, determining a target grayscale value of each sub-pixel in the mth row according to the original grayscale value of the sub-pixel in the mth row and the target grayscale value of the sub-pixel in the (m−1)th row inputting a data voltage to a data line in the display panel according to the target grayscale value of each sub-pixel in the mth row.
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公开(公告)号：US20210012699A1
公开(公告)日：2021-01-14
申请号：US16908283
申请日：2020-06-22
发明人： Zhenlin QU , Liugang ZHOU , Ke DAI , Tao LI , Yulong XIONG , Yizhan HAN , Jianwei SUN , Liu HE , Yunyun LIANG , Jun WANG , Qing LI , Xutong CHEN , Liwei ZHOU , Xiaofeng YIN
摘要： The preset disclosure provides a display control method, a timing controller IC and a display device. The method includes: acquiring a preset grayscale voltage of a target pixel unit and a backlight brightness of a backlight region corresponding to the target pixel unit, in a current output display frame; outputting a first grayscale voltage to the target pixel unit if the backlight brightness of the corresponding backlight region is less than or equal to a first preset brightness value; outputting a second grayscale voltage to the target pixel unit if the backlight brightness of the corresponding backlight region is greater than the first preset brightness value; wherein the second grayscale voltage is greater than the first grayscale voltage, and both the second grayscale voltage and the first grayscale voltage are greater than the preset grayscale voltage.
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公开(公告)号：US20240298403A1
公开(公告)日：2024-09-05
申请号：US18560671
申请日：2021-05-13
发明人： Yunyun LIANG , Changcheng LIU , Jiantao LIU , Liugang ZHOU , Jianwei SUN , Liu HE , Jun WANG , Qing LI , Yu QUAN , Yanting HUANG , Yunlu CHEN , Zhengru PAN
CPC分类号： H05K1/0269 , H05K1/189 , H05K2201/10128 , H05K2201/10318
摘要： The present disclosure provides a circuit board, a chip on film, a display apparatus and a bonding method. The circuit board has a plurality of bonding regions for bonding with a chip on film, each bonding region includes: a plurality of first pins extending along a first direction and sequentially arranged along a second direction; and at least one first alignment mark group on an arrangement path along which the plurality of first pins are arranged and configured to be aligned with a second alignment mark group of the chip on film in a buckled way, so that the plurality of first pins are bonded and attached to second pins of the chip on film in one-to-one correspondence.
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4.发明公开公开(公告)号：US20240233663A9
公开(公告)日：2024-07-11
申请号：US17769632
申请日：2021-03-03
发明人： Yunlu CHEN , Changcheng LIU , Liugang ZHOU , Liu HE , Kun YANG , Jianwei SUN , Jun WANG , Yunyun LIANG , Qing LI , Yu QUAN , Yanting HUANG , Zhengru PAN , Bingbing YAN , Jiantao LIU
CPC分类号： G09G3/36 , G09G3/2096 , G09G2320/02 , G09G2320/041 , G09G2370/00
摘要： Disclosed are a method for adjusting a signal of a display panel, a time controller integrated circuit, a display panel, and a storage medium. The method includes: converting first data into a first data voltage signal using a first data voltage, in response to a set condition being reached, sending the first data voltage signal to a chip on film integrated circuit, the chip on film integrated circuit identifies the first data voltage signal to obtain a second data; acquiring the second data from the chip on film integrated circuit, determining that the chip on film integrated circuit fails to identify the first data in response to the second data being different from the first data; and adjusting the first data voltage until a second data voltage signal converted from the first data using a second data voltage after adjustment being successfully identified by the chip on film integrated circuit.
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5.发明申请公开(公告)号：US20220415280A1
公开(公告)日：2022-12-29
申请号：US17778125
申请日：2021-05-11
发明人： Yunyun LIANG , Liugang ZHOU , Ke DAI , Liu HE , Jianwei SUN , Jun WANG , Qing LI , Yu QUAN
IPC分类号： G09G3/36
摘要： There is provided a voltage supply circuit, in which a signal output end of a power management integrated circuit, a signal input end of a transmission branch, and a signal input end of a voltage reduction branch are coupled to a first node; a signal output end of transmission branch and a signal output end of the voltage reduction branch are coupled to a second node; the power management integrated circuit supplies an initial voltage to the first node; the transmission branch is coupled to a control signal terminal, and switch between a conducting state and a cutoff state in response to control of a control signal, and write the initial voltage into the second node in the conducting state; and the voltage reduction branch performs voltage reduction on the initial voltage at the first node to obtain a reduced voltage to be written into the second node.
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公开(公告)号：US20210074201A1
公开(公告)日：2021-03-11
申请号：US16965917
申请日：2019-12-18
发明人： Yizhan HAN , Liugang ZHOU , Jianwei SUN , Tao LI , Yulong XIONG , Chunheng ZHANG , Qing LI
IPC分类号： G09G3/20
摘要： The present disclosure provides a voltage compensation circuit and a voltage compensation method, a display driving circuit and a display device. The voltage compensation circuit includes: a voltage analyzing sub-circuit and a gamma voltage generating sub-circuit. The voltage analyzing sub-circuit is coupled to the display panel and configured to obtain pixel voltages of target pixels in the image to be detected; judge whether the display panel is abnormal according to the pixel voltages; generate a compensation control signal in response to that the display panel is abnormal. The gamma voltage generating sub-circuit is coupled to the voltage analyzing sub-circuit and is configured to compensate a gamma voltage corresponding to the image to be detected according to the compensation control signal so as to enable the pixel voltages of the target pixels to be consistent.
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公开(公告)号：US20210049969A1
公开(公告)日：2021-02-18
申请号：US16994217
申请日：2020-08-14
发明人： Jun WANG , Liugang ZHOU , Jingang LIU , Ke DAI , Xiaofeng YIN , Jianwei SUN , Liu HE , Zhenlin QU , Qing LI , Yunyun LIANG , Yulong XIONG , Yu QUAN
摘要： A display driving method includes: determining, by a timing controller, an actual grayscale value of a sub-pixel image in an X-th row and a Y-th column according to a preset grayscale value of a sub-pixel image in an (X−1)-th row and the Y-th column and a preset grayscale value of the sub-pixel image in the X-th row and the Y-th column of an image frame to be displayed. The image frame to be displayed includes J rows and Q columns of sub-pixel images. X is greater than or equal to 2, and is less than or equal to J. Y is greater than or equal to 1, and is less than or equal to Q, and X, Y, J, and Q are all integers.
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公开(公告)号：US20240304130A1
公开(公告)日：2024-09-12
申请号：US18026326
申请日：2022-05-16
发明人： Yanting HUANG , Ke DAI , Chunyang NIE , Liugang ZHOU , Yunlu CHEN , Qing LI , Jun WANG , Zhi MENG , Wei SUN , Tianxun XIU , Yue YANG
IPC分类号： G09G3/20
CPC分类号： G09G3/2096 , G09G2300/0413 , G09G2300/0452 , G09G2310/0205 , G09G2310/0213 , G09G2310/0221 , G09G2310/0251 , G09G2320/0613 , G09G2320/10 , G09G2330/021 , G09G2340/0435
摘要： A driving method of a display panel and a display apparatus provided by embodiments of the present disclosure include: when a display mode switching startup instruction is received, a non-counting state is entered. The display panel is driven to display a first set picture, and a current display mode is switched to a target display mode. When a data mode switching completing instruction is received, a counting state is entered.
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公开(公告)号：US20240249659A1
公开(公告)日：2024-07-25
申请号：US18016414
申请日：2022-02-28
发明人： Jianwei SUN , Liugang ZHOU , Jiao LIU , Jiantao LIU , Jun WANG , Yunyun LIANG , Qing LI
IPC分类号： G09G3/20
CPC分类号： G09G3/2074 , G09G2300/0819 , G09G2310/08 , G09G2320/0285 , G09G2320/0626
摘要： A method and a circuit for driving a display panel, and a display device are disclosed. The display panel includes rows of sub-pixels. The method includes a display process, which includes: generating an initial driving signal for each row of sub-pixels according to image information of an image to be displayed; adjusting the initial driving signal for each row of sub-pixels according to a compensation gain of each row of sub-pixels, so as to obtain a target driving signal, the compensation gain of each row of sub-pixels is an actual brightness coefficient of the row of sub-pixels with respect to a reference row of sub-pixels during the display panel displaying an image with a test gray scale; and driving each row of sub-pixels to display according to the target driving signal for the row of sub-pixels, so as to enable each row of sub-pixels to reach target brightness.
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10.发明公开公开(公告)号：US20240135892A1
公开(公告)日：2024-04-25
申请号：US17769632
申请日：2021-03-03
发明人： Yunlu CHEN , Changcheng LIU , Liugang ZHOU , Liu HE , Kun YANG , Jianwei SUN , Jun WANG , Yunyun LIANG , Qing LI , Yu QUAN , Yanting HUANG , Zhengru PAN , Bingbing YAN , Jiantao LIU
CPC分类号： G09G3/36 , G09G3/2096 , G09G2320/02 , G09G2320/041 , G09G2370/00
摘要： Disclosed are a method for adjusting a signal of a display panel, a time controller integrated circuit, a display panel, and a storage medium. The method includes: converting first data into a first data voltage signal using a first data voltage, in response to a set condition being reached, sending the first data voltage signal to a chip on film integrated circuit, the chip on film integrated circuit identifies the first data voltage signal to obtain a second data; acquiring the second data from the chip on film integrated circuit, determining that the chip on film integrated circuit fails to identify the first data in response to the second data being different from the first data; and adjusting the first data voltage until a second data voltage signal converted from the first data using a second data voltage after adjustment being successfully identified by the chip on film integrated circuit.
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