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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：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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3.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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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：US20210225319A1
公开(公告)日：2021-07-22
申请号：US16768273
申请日：2019-12-18
发明人： Yizhan HAN , Jianwei SUN , Liugang ZHOU , Xiaolong SUO
IPC分类号： G09G3/36
摘要： The present disclosure provides a common voltage regulating circuit and a common voltage regulating method, a display driving circuit and a display device, the common voltage regulating circuit is applied to a display panel, and the display panel includes a pixel electrode and a common electrode, the common voltage regulating circuit includes: a first regulating sub-circuit configured to provide a signal from a second signal input terminal to a first signal output terminal under the control of an enabling signal terminal in a power-on stage of the display panel; the first signal input terminal is configured to input a signal to be provided to the common electrode in a display stage of the display panel, the second signal input terminal is configured to input a signal to be provided to the pixel electrode in the power-on stage, the first signal output terminal is coupled with the common electrode.
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公开(公告)号：US20200243039A1
公开(公告)日：2020-07-30
申请号：US16668211
申请日：2019-10-30
发明人： Yizhan HAN , Ke DAI , Liugang ZHOU
IPC分类号： G09G5/00
摘要： A chip-on-film and a display device. The chip-on-film includes a substrate, at least one chip on the substrate, input terminals on the substrate, and output terminals on the substrate. The input terminals are configured to receive printed-circuit-board signals. The output terminals include data signal output sub-terminals configured to output display panel data signals. The output terminals lack an output sub-terminal configured to output a display panel scanning signal.
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公开(公告)号：US20200211669A1
公开(公告)日：2020-07-02
申请号：US16568751
申请日：2019-09-12
发明人： Tao LI , Liugang ZHOU , Ke DAI , Yizhan HAN , Jianwei SUN , Yulong XIONG
摘要： Some embodiments of the present disclosure provide a shift register unit, a gate driver, a driving method thereof and a display device. The shift register unit includes: an output circuit, configured to receive a clock signal and output the clock signal to an output signal terminal under control of a voltage of a pull-up control node; a pull-down control circuit, configured to receive a control voltage signal and control the voltage of the pull-up control node and a voltage of the output signal terminal according to the control voltage signal; and an output control circuit, configured to receive a first voltage signal and the control voltage signal, and control the voltage of the output signal terminal in response to the first voltage signal and the control voltage signal.
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公开(公告)号：US20190094640A1
公开(公告)日：2019-03-28
申请号：US16019985
申请日：2018-06-27
发明人： Yizhan HAN , Zhonghou WU , Liugang ZHOU , Shou LI , Jianwei SUN , Yulong XIONG , Tao LI
IPC分类号： G02F1/1362 , H01L27/12 , G02F1/1343 , G02F1/1368
摘要： The disclosure provides an array substrate, a liquid crystal display panel, and a display device. The array substrate according to the disclosure includes: an underlying substrate, and a plurality of scan lines and a plurality of data lines, the scan lines and the data lines are arranged to intersect with each other on the underlying substrate, wherein at least one of the scan lines is connected with a capacitor for adjusting common electrode voltage, and the capacitor has one end connected with one of the scan lines, and the other end connected with the common electrode voltage.
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公开(公告)号：US20210225239A1
公开(公告)日：2021-07-22
申请号：US16957748
申请日：2019-12-11
发明人： Jianwei SUN , Liugang ZHOU , Yizhan HAN , Tao LI , Yulong XIONG
IPC分类号： G09G3/20
摘要： The present disclosure provides a mura compensation device, display panel, display device, and mura compensation method, which belongs to the field of panel technology. The mura compensation device includes a first flexible circuit board and a de-mura circuit, including a storage unit for storing mura compensation data, wherein the de-mura circuit is provided in the first flexible circuit board.
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