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公开(公告)号：US20200242994A1
公开(公告)日：2020-07-30
申请号：US16675386
申请日：2019-11-06
发明人： Chunheng ZHANG , Yizhan HAN , Jun WANG , Jianwei SUN , Liugang ZHOU
IPC分类号： G09G3/20
摘要： A display device comprising a plurality of pixels arranged in multiple rows and multiple columns. The multiple pixel columns are connected with a plurality of source signal lines respectively. The pixels of odd-numbered rows in the same pixel column are connected with the source signal lines on a first side of the pixel column. The pixels of even-numbered rows in the same pixel column are connected with the source signal lines on a second side of the pixel column opposite the first side. A display control method comprising the steps of determining and storing target pixel potential data which comprises a target pixel potential for each of the plurality of source signal lines; and setting a potential of each source signal line as the target pixel potential corresponding to the source signal line in an interval zone between two adjacent frames.
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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：US20200013354A1
公开(公告)日：2020-01-09
申请号：US16479764
申请日：2018-11-23
发明人： Yizhan HAN , Shou LI , Liugang ZHOU , Tao LI , Yulong XIONG , Jianwei SUN
IPC分类号： G09G3/36
摘要： The disclosure discloses a display panel, a voltage adjustment method thereof, and a display device, and the display panel includes: at least two reference sub-pixels; a voltage compensation element coupled respectively with respective reference sub-pixels; and a power management element coupled with the voltage compensation element, wherein the voltage compensation element is configured to acquire valid values of pixel voltage of the respective reference sub-pixels when the at least two reference sub-pixels receive the same data voltage, and to generate a compensation signal of gate off voltage for the purpose of making the acquired valid values of the pixel voltage of the respective reference sub-pixels uniform; and the power management element is configured to adjust a voltage value of the gate off voltage according to the compensation signal of the gate off voltage.
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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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7.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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8.发明申请公开(公告)号：US20220301468A1
公开(公告)日：2022-09-22
申请号：US17588307
申请日：2022-01-30
发明人： Jun WANG , Liugang ZHOU , Jianwei SUN , Zhengru PAN , Liu HE , Qing LI , Yunyun LIANG , Yu QUAN , Yanting HUANG , Yunlu CHEN
摘要： A control method of a display apparatus is provided. The method includes: obtaining to-be-displayed data; starting to generate first image data of a first display panel based on the to-be-displayed data; sending image data to a second processing component based on the to-be-displayed data; and after generating the first image data, delaying sending the first image data to the first display panel based on a first difference between second duration taken by the second processing component to generate second image data and first duration taken by a first processing component to generate the first image data.
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公开(公告)号：US20210150962A1
公开(公告)日：2021-05-20
申请号：US17094737
申请日：2020-11-10
发明人： Qing LI , Liugang ZHOU , Ke DAI , Yizhan HAN , Liu HE , Yunyun LIANG , Jun WANG , Zhenlin QU , Jianwei SUN , Yulong XIONG , Tao LI , Yu QUAN , Xiaofeng YIN , Qian ZHOU , Pengjun FANG
IPC分类号： G09G3/20
摘要： A display driving device, a display driving method, a display module and a display device are provided. The display driving device includes: a PWM signal generating circuit configured to generate a PWM signal; a PWM signal acquisition circuit, configured to identify whether the PWM signal output by the PWM signal generating circuit is at a high level or a low level; a gamma voltage debugging circuit, configured to debug a gamma voltage to obtain a first group of gamma voltage reference data corresponding to the PWM signal at the high level and a second group of gamma voltage reference data corresponding to the PWM signal at the low level in each gray-scale image; and a gamma voltage switching circuit.
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10.发明申请公开(公告)号：US20210051780A1
公开(公告)日：2021-02-18
申请号：US16990768
申请日：2020-08-11
发明人： Jianwei SUN , Liugang ZHOU , Ke DAI , Yizhan HAN , Yulong XIONG , Tao LI , Xiaofeng YIN , Maoyang ZHU , Pengjun FANG
IPC分类号： H05B45/325 , G02F1/1362 , G02F1/1345
摘要： A source driver includes at least one data input terminal, a plurality of data output terminals, at least two control terminals and a plurality of source driving circuits. Each source driving circuit is connected to a data input terminal of the at least one data input terminal, a data output terminal of the plurality of data output terminals and the at least two control terminals. The source driving circuit is configured such that: the source driving circuit converts a format of a data signal from the data input terminal; and in response to one of different control signals that is received by all the at least two control terminals, the source driving circuit has a corresponding different output impedance, and transmits the converted data signal to the data output terminal.
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