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公开(公告)号：US20240273947A1
公开(公告)日：2024-08-15
申请号：US18022788
申请日：2022-03-28
发明人： Lianghao ZHANG , Wenchao HAN , Wei SUN
CPC分类号： G06V40/19 , G02B27/0093 , G02B27/017
摘要： A pupil information collection circuit, a pupil information collection method and a display apparatus are provided, belong to the field of display technology, and can solve the problem that the existing pupil information collection circuit occupies a large area. The pupil information collection circuit includes: M infrared light sensors, N analog-to-digital converters and N multiplexing sub-circuits; where M and N are both positive integers, and M is greater than N; every m infrared light sensors are connected to the same analog-to-digital converter through one corresponding multiplexing sub-circuit; m is less than or equal to M; and for the m infrared light sensors connected to the same analog-to-digital converter, a distance between collection ranges of any two adjacent infrared light sensors is greater than a diameter of the pupil.
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公开(公告)号：US20240221566A1
公开(公告)日：2024-07-04
申请号：US17913456
申请日：2021-09-15
发明人： Tiankuo SHI , Xiangjun PENG , Shuo ZHANG , Yan SUN , Xiaomang ZHANG , Xin DUAN , Wei SUN , Shaoru ZHANG
IPC分类号： G09G3/20
CPC分类号： G09G3/20 , G09G2300/026 , G09G2320/0276 , G09G2360/16
摘要： An image display method includes: obtaining image data of a target image, and obtaining an initial sampling value of a first screen according to the image data, wherein the initial sampling value includes region sampling values of at least two target regions in the first screen, and the region sampling values include a previous region correction value and a current region sampling value; correcting the current region sampling value in a target region sampling value, based on a mapping relationship between the previous region correction value and the target region sampling value, to obtain first data; and determining second data corresponding to a second screen according to the first data, to realize displaying of the target image in a stacked screen according to the first data and the second data, wherein the stacked screen is formed by the first screen and the second screen in an overlapped manner.
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公开(公告)号：US20220114944A1
公开(公告)日：2022-04-14
申请号：US17497920
申请日：2021-10-09
发明人： Xin DUAN , Jigang SUN , Shaolei ZONG , Wei SUN
摘要： A method for clock calibration is provided. In the technical solution according to the present disclosure, a target driving chip includes a plurality of clock calibration circuits, wherein each of the clock calibration circuits is configured with one clock frequency. Prior to sending a clock calibration signal, a controller sends a reference clock frequency to a driving chip over a configuration instruction, such that the driving chip determines a target clock calibration circuit for clock calibration based on the configuration instruction.
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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：US20240161220A1
公开(公告)日：2024-05-16
申请号：US17781518
申请日：2021-05-21
发明人： Shuhuan YU , Wei SUN , Xin DUAN , Jiantao LIU
CPC分类号： G06T1/20 , G09G3/001 , G09G2320/028 , G09G2330/023
摘要： A multi-view display device and a display control method are provided. The multi-view display device has a plurality of viewing angles and includes a plurality of logic boards, each of the logic boards corresponds to a respective one of the viewing angles, the logic board is configured to process and transmit image data of the viewing angle corresponding to the logic board, and the logic boards corresponding to the respective viewing angles are driven and controlled independently.
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公开(公告)号：US20220137754A1
公开(公告)日：2022-05-05
申请号：US17258144
申请日：2020-03-24
发明人： Xinle WANG , Wei SUN , Wenchao HAN , Xiaofeng YIN , Lianghao ZHANG , Yilin FENG , Zhengri LIN , Xinqiu WANG , Mingming WANG
IPC分类号： G06F3/044
摘要： This disclosure provides a touch positioning method and apparatus. The touch positioning method includes: acquiring capacitance values and position coordinates of each first touch electrode and each second touch electrode in a touch screen; for the each second touch electrode, judging whether a capacitance value of the second touch electrode is greater than a first threshold; determining second touch electrodes as target second touch electrodes when judging that capacitance values of the second touch electrodes each is greater than the first threshold; and determining target touch position coordinates according to the capacitance values and position coordinates of the target second touch electrodes as well as capacitance values and position coordinates of first touch electrodes adjacent to the target second touch electrodes.
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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：US20210232285A1
公开(公告)日：2021-07-29
申请号：US16768292
申请日：2019-04-30
发明人： Yilin FENG , Wei SUN , Wenchao HAN , Zhaohui MENG , Xinle WANG , Yan YANG , Lianghao ZHANG , Xiaoyang SHEN
摘要： A driving method, a driving circuit and a touch-display apparatus are provided. The driving method includes providing a gate driving signal to a gate line, providing a pixel voltage to a data line, and providing a common electrode driving signal to a common electrode, wherein a pixel display operation is performed based on the gate driving signal, the pixel voltage, and the common electrode driving signal, and simultaneously, a touch detection operation is performed based on the common electrode driving signal. The driving method realizes the effect of simultaneously performing a pixel display operation and a touch detection operation, and solves the problem that the pixel display operation of the touch-display 0 apparatus is affected in the touch detection stage.
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公开(公告)号：US20200273422A1
公开(公告)日：2020-08-27
申请号：US16537962
申请日：2019-08-12
发明人： Wenxu LYU , Xinqiu WANG , Xue DONG , Ming CHEN , Wei SUN , Hsinchung LO
IPC分类号： G09G3/36
摘要： A charge compensation circuit of the present disclosure includes: a sorting sub-circuit, configured to sort inputted initial data voltages according to a pixel structure type to obtain a plurality of channels of data, each channel of the data including initial data voltages corresponding to all data lines when a gate line in a row corresponding to the channel is turned on; a storage comparison sub-circuit, configured to output many sets of comparison data according to the stored data; a lookup sub-circuit, configured to look up actual compensation data corresponding to the set of comparison data; and a compensation sub-circuit, configured to compensate for the initial data voltage on a data line corresponding to the actual compensation data when the gate line in the current row is turned on, to obtain an actual data voltage on the data line when the gate line in the current row is turned on.
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