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公开(公告)号：US20210407442A1
公开(公告)日：2021-12-30
申请号：US16963302
申请日：2019-09-23
发明人： Yan YANG , Chinghua HUNG , Rui LIU , Wei SUN , Ming CHEN , Wen Chieh HUANG
IPC分类号： G09G3/36
摘要： A display driving method includes: controlling a source driver to output a data signal, wherein the data signal comprises a plurality of first active pulse signals, the first active pulse signal in the Nth row is for driving a sub-pixel unit in the Nth row, and a timing difference between a starting point of the first active pulse signal in the Nth row and a starting point of a corresponding gate drive signal is smaller than a timing difference between a starting point of the first active pulse signal in the (N+M)th row and a starting point of a corresponding gate drive signal; and wherein the sub-pixel unit in the Nth row is closer to the source driver than the sub-pixel unit in the (N+M)th row, and N and M are positive integers greater than or equal to 1.
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公开(公告)号：US20210166610A1
公开(公告)日：2021-06-03
申请号：US16960574
申请日：2019-09-23
发明人： Yan YANG , Ching Hua HUNG , Rui LIU , Wei SUN , Ming CHEN , Qibing GU , Xiangyi CHEN
IPC分类号： G09G3/20
摘要： A source driving circuit includes a buffer amplifier configured to generate a driving signal from an original driving signal. The buffer amplifier includes a first amplifier and a second amplifier. A high-level terminal of the first amplifier is coupled to the first power signal terminal, a low-level terminal is coupled to the second power signal terminal, and an output terminal is configured to output a positive polarity driving signal. A high-level terminal of the second amplifier is coupled to the third power signal terminal, a low-level terminal is coupled to the fourth power signal terminal, and an output terminal is configured to output a negative polarity driving signal. The voltage of the second power signal terminal is less than the voltage of the third power signal terminal.
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公开(公告)号：US20210407370A1
公开(公告)日：2021-12-30
申请号：US16960137
申请日：2019-09-30
发明人： Yan YANG , Chinghua HUNG , Wenchieh HUANG , Rui LIU , Wei SUN , Ming CHEN
IPC分类号： G09G3/20
摘要： A driver, a display device, and an optical compensation method thereof are provided. The display panel includes sub-pixels arranged in an array. The method includes: receiving an initial gray level of each sub-pixel of a picture to be displayed; determining whether each sub-pixel satisfies a preset determination condition based on the initial gray level of each sub-pixel; if an absolute value of a difference between the initial gray levels of two sub-pixels electrically connected to a same data line and located in two adjacent rows is greater than a preset threshold, it is determined that a sub-pixel in a next row satisfies the preset determination condition; and, in response to determining that a sub-pixel satisfies the preset determination condition, acquiring a first compensation parameter of the sub-pixel, and compensating the initial gray level of the sub-pixel based on the acquired first compensation parameter.
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公开(公告)号：US20210174723A1
公开(公告)日：2021-06-10
申请号：US17255070
申请日：2020-05-26
IPC分类号： G09G3/20
摘要： The disclosure provides a timing control method and a timing control circuit for a display panel, a driving device, and a display device. The method includes: in respective display periods, supplying a data enable signal to a source driving circuit. The source driving circuit supplies a data signal to a plurality of sub-display regions under the control of the data enable signal. The data enable signal is switched between an active level and an inactive level, and the active levels of the data enable signal are in one-to-one correspondence with the plurality of sub-display regions of the display panel. The farther one of the plurality of sub-display regions from the source driving circuit, the longer time period, at an active level, of the data enable signal for controlling the source driving circuit to provide the data signal to at least one row of pixels in the sub-display region is.
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公开(公告)号：US20240304139A1
公开(公告)日：2024-09-12
申请号：US18270850
申请日：2021-02-26
发明人： Shaolei ZONG , Jigang SUN , Rui LIU , Xin DUAN , Wei SUN , Junwei ZHANG , Hongrun WANG , Fuqiang LI , Changfeng SUN , Hui ZHANG , Xue DONG
IPC分类号： G09G3/3225 , G09G3/20 , G09G3/36 , H04N23/611 , H04N23/67
CPC分类号： G09G3/3225 , G09G3/2092 , G09G3/3648 , H04N23/611 , H04N23/675 , G09G2300/0452 , G09G2300/0842 , G09G2340/0435
摘要： Disclosed are a display panel, a display device and a driving method. The display panel includes a plurality of sub-pixel units located in areas formed by the plurality of scanning signal lines and the plurality of data signal lines, and at least two adjacent sub-pixel units in the first direction and the second direction constitute a pixel island. A plurality of control units each corresponding to a sub-pixel unit row in the pixel island are provided. The control unit includes a control terminal, an input terminal and an output terminal. The control unit is configured to transmit a signal from the input terminal to the output terminal under control of a first signal transmitted by a control signal line corresponding to the control unit, and stop transmitting the signal from the input terminal to the output terminal under control of a second signal transmitted by the control signal line.
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公开(公告)号：US20230045236A1
公开(公告)日：2023-02-09
申请号：US17790365
申请日：2021-05-19
发明人： Minglei CHU , Yanhui XI , Xiaomang ZHANG , Xiangjun PENG , Wenchao HAN , Lianghao ZHANG , Wei SUN , Rui LIU , Xin DUAN , Tiankuo SHI
摘要： The present disclosure provides a display device, a sound-emitting control method, and a sound-emitting control device. The device includes: a display screen which includes a first display region, a middle display region, and a second display region; a plurality of sound-emitting units, which include: a plurality of first sound-emitting units, a plurality of second sound-emitting units and a plurality of third sound-emitting units; the plurality of first sound-emitting units and the plurality of second sound-emitting units respectively include a sound-emitting unit which emits sounds at a first frequency band, a sound-emitting unit which emits sounds at a second frequency band, and a sound-emitting unit which emits sounds at a third frequency band; the first, second, and third frequency bands increase in turn; and all of the plurality of third sound-emitting units are the sound-emitting units emitting sound in the second frequency band.
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公开(公告)号：US20240155913A1
公开(公告)日：2024-05-09
申请号：US17755262
申请日：2021-04-22
发明人： Ao HUANG , Rui LIU , Linlin WANG , Sheng GUO , Jiandong BAO , Weilin LAI , Peng ZHOU , Wenqiang WANG
CPC分类号： H10K59/80522 , H10K59/353 , H10K59/65 , H10K59/874 , H10K71/60
摘要： A display substrate, a display apparatus and a manufacturing method are provided. The display substrate includes: a base substrate; a first electrode layer on a side of the base substrate; a light-emitting layer on a side of the first electrode layer facing away from the base substrate including a plurality of light-emitting portions; a second electrode layer on a side of the light-emitting layer facing away from the first electrode layer; a first transparent inhibitor layer including a plurality of mutually separated first pattern portions; and an auxiliary electrode layer including an auxiliary electrode pattern formed by inhibition of the first pattern portions, where at least part of an orthographic projection of the auxiliary electrode pattern on the base substrate is separated from orthographic projections of the first pattern portions on the base substrate, and the auxiliary electrode pattern is in contact and electrically connected with the second electrode layer.
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公开(公告)号：US20220398981A1
公开(公告)日：2022-12-15
申请号：US17610581
申请日：2020-12-22
发明人： Tiankuo SHI , Wei SUN , Yifan HOU , Zhihua JI , Xiaomang ZHANG , Rui LIU , Jigang SUN , Yuxin BI , Xue DONG
IPC分类号： G09G3/3266 , G09G3/3275 , G09G3/20
摘要： A display device and a method for driving the display device are described, where the display device includes a plurality of pixel island groups, a plurality of lenses, a positioning module, and a gate driving chip. The plurality of pixel island groups are arranged in array, wherein each of the pixel island groups includes a plurality of pixel islands, and different pixel islands are able to be scanned in different scanning modes. The positioning module is configured to determine a gaze area and a non-gaze area according to gazed coordinates of human eye. The gate driving chip is configured to provide gate driving signals in a first driving manner to sub-pixel units in the gaze area, and provide gate driving signals simultaneously in a second driving manner to sub-pixel units in the non-gaze area during a scanning stage of the sub-pixel units in the non-gaze area.
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公开(公告)号：US20210407441A1
公开(公告)日：2021-12-30
申请号：US16772226
申请日：2019-07-31
IPC分类号： G09G3/34
摘要： Disclosed are a backlight driving method, a display driving method, a drive device and a display device. The backlight driving method includes: receiving a frame of backlight data, wherein the frame of backlight data includes a plurality of first control signals which are respectively applied to the plurality of switching channels and serve as the switching control signals, and a plurality of second control signal groups respectively corresponding to the plurality of first control signals, each of the plurality of second control signal groups includes a plurality of second control signals which are respectively applied to the plurality of output channels and serve as the output control signals, and the plurality of first control signals are modulated non-constant width pulse signals respectively; and driving the backlight unit to emit light by using the plurality of first control signals and the plurality of second control signal groups.
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公开(公告)号：US20210365171A1
公开(公告)日：2021-11-25
申请号：US16478716
申请日：2018-12-27
发明人： Rui LIU , Gaowei CHEN , Junjie XU , Yanming WANG , Jiaqiang WANG , Chao YU , Dong LIU
摘要： A voltage compensation method includes: within a touch time period, multiplexing common electrode blocks as touch electrodes, and scanning the common electrode blocks in at least one column sequentially to detect a capacitance of each scanned common electrode block; within a time period between detecting the capacitance of each scanned common electrode block and starting an Nth display time period after the touch time period, calculating power consumption for each scanned common electrode block in accordance with the capacitance thereof, acquiring a corresponding common electrode voltage compensation value based on the power consumption, and adding the common electrode voltage compensation value to a reference common electrode voltage to acquire a compensated common electrode voltage applied to each scanned common electrode block; and within the Nth display time period, adjusting a common electrode voltage applied to each scanned common electrode block into the compensated common electrode voltage.
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