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公开(公告)号：US20230086825A1
公开(公告)日：2023-03-23
申请号：US17801728
申请日：2021-10-22
发明人： Yinlong ZHANG , Shulin YAO , Wenpeng MA , Pengfei HU , Qi LI , Zhihua SUN , Yanping LIAO , Xibin SHAO
摘要： The present disclosure provides a chip-on-film, a display substrate, a display device and a driving method. The display substrate includes a plurality of scanning lines and a plurality of cascaded shift register units coupled to the scanning lines. The display substrate further includes an output control signal line electrically coupled to each shift register unit for providing an enable signal for the shift register unit. The output control signal lines include at least two output control signal lines for providing different enable signals, and two adjacent cascaded shift register units are coupled to different output control signal lines.
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公开(公告)号：US20220122507A1
公开(公告)日：2022-04-21
申请号：US17275549
申请日：2020-05-19
发明人： Yinlong ZHANG , Zhihua SUN , Shulin YAO , Wenpeng MA , Pengfei HU , Liangliang ZHAO
IPC分类号： G09G3/20
摘要： The present disclosure provides a power management device, including an initial voltage input terminal, a power management circuit, and a plurality of gamma correction circuits. The initial voltage input terminal is configured to provide an initial voltage; the power management circuit includes at least one follower amplifier sub-circuit, each follower amplifier sub-circuit is configured to output a corresponding target operating voltage according to the initial voltage, a reference voltage, and a target operating voltage setting parameter; and each gamma correction circuit is configured to output a corresponding gamma correction voltage according to the initial voltage, the reference voltage, and a corresponding gamma parameter. The present disclosure further provides a display device.
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公开(公告)号：US20230086073A1
公开(公告)日：2023-03-23
申请号：US17908561
申请日：2021-06-16
发明人： Yinlong ZHANG , Shulin YAO , Zhihua SUN , Qi LI , Wenpeng MA , Pengfei HU
IPC分类号： G09G3/20
摘要： A level conversion circuit and a display panel are provided. The level conversion circuit includes a signal generation circuit configured to output driving signals through a plurality of signal output terminals, a first operational amplification circuit configured to level-convert a voltage of an input terminal and output the voltage through an output terminal, and signal output terminals of the signal generation circuit are in one-to-one correspondence with input terminals of the first operational amplification circuit; a plurality of switching circuits connected between the signal output terminal and the input terminal, connected to a control signal terminal, and configured to communicate the signal output terminal with the input terminal in response to a signal of the control signal terminal. At least part of the switching circuits are connected to different control signal terminals.
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公开(公告)号：US20230037762A1
公开(公告)日：2023-02-09
申请号：US17758334
申请日：2021-09-10
发明人： Wenpeng MA , Yinlong ZHANG , Zhihua SUN , Shulin YAO , Pengfei HU , Qi LI , Xibin SHAO , Yanping LIAO
IPC分类号： H01L27/12 , G09G3/20 , G02F1/1362
摘要： The present disclosure provides an array substrate and a display device. The array substrate includes one start data line, N−1 intermediate data line and one end data line. The array substrate further includes a first driving circuit and a second driving circuit, the first driving circuit is arranged at a first side of the plurality of data lines, and the second driving circuit is arranged at a second side of the plurality of data lines opposite to the first side in a first direction. The first driving circuit is electrically connected to the first end of each of the plurality of data lines. The first driving circuit is electrically coupled to first ends of the plurality of data lines, a first end of the end data line is electrically coupled to a first end of the start data line, and the second driving circuit is electrically coupled to second ends of the plurality of data lines.
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5.发明申请公开(公告)号：US20230019167A1
公开(公告)日：2023-01-19
申请号：US17787688
申请日：2021-08-12
发明人： Pengfei HU , Yinlong ZHANG , Zhihua SUN , Shulin YAO , Wenpeng MA , Qi LI , Yanping LIAO , Xibin SHAO
IPC分类号： G06F3/041
摘要： The present disclosure provides a driving method, a driving circuitry and a driving device for a touch display substrate, and a display device, and relates to the field of touch display technology. The driving method for the touch display substrate, includes: detecting a touch signal in one or more first time periods during which the touch display substrate operates, and a second time period being arranged between adjacent first time periods; reducing frame refreshing frequency of the touch display substrate, in response to detecting the touch signal in the one or more first time periods; and keeping the frame refreshing frequency of the touch display substrate unchanged, in response to detecting no touch signal in the one or more first time periods. According to the technical schemes of the present disclosure, it is able to ensure the touch effect of the touch display substrate.
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