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公开(公告)号：US10706759B2
公开(公告)日：2020-07-07
申请号：US16096607
申请日：2018-05-15
发明人： Yaran Wang , Wei Zhang , Jigang Sun , Wei Sun
IPC分类号： G09G3/20
摘要： A current comparison circuit for use in a display device. The display device is configured to be supplied with a plurality of power supply voltages for powering a digital portion and an analog portion of the display device through respective power supplying paths. The current comparison circuit includes a plurality of comparator circuits, each of which is configured to compare a current on a respective one of the power supplying paths with a respective reference value and to output the respective comparison value. A combination of the respective comparison values output by the comparator circuits indicates a type of content being displayed by the display device.
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公开(公告)号：US11778446B2
公开(公告)日：2023-10-03
申请号：US17444826
申请日：2021-08-10
发明人： Shaolei Zong , Wei Sun , Jieqiong Wang , Jigang Sun
CPC分类号： H04W4/90 , G08B6/00 , H04M1/0202 , G06F3/041 , G06F3/044 , G09G2310/0267 , H04M2250/12
摘要： A gate driving unit includes an input terminal, a latch node control circuit, a first node potential maintenance circuit, and a latch node reset circuit, the latch node control circuit is configured to control a voltage of the latch node through a charging voltage inputted by the latch charging terminal under the control of an input signal provided by the input terminal, the first node potential maintenance circuit is configured to control the connection between the first node and the latch enable terminal under the control of a voltage of the latch node, to maintain a potential of the first node; and the latch node reset circuit is configured to control to reset the potential of the latch node under the control of the latch node reset signal inputted by the latch node reset terminal.
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公开(公告)号：US10884443B2
公开(公告)日：2021-01-05
申请号：US16176369
申请日：2018-10-31
发明人： Jing Zhao , Jigang Sun , Shuang Zhao , Wei Sun
摘要： The present application provides a voltage control circuit and method, a panel and a display apparatus. The voltage control circuit includes: a comparison circuit configured to compare a first voltage with a second voltage, output a first signal in a case where a difference between the first voltage and the second voltage exceeds a thresholds range, and output a second signal in a case where the difference between the first voltage and the second voltage is within the thresholds range; a compensation circuit coupled to the comparison circuit, and configured to compensate the first voltage in response to the first signal output by the comparison circuit; and a latch circuit coupled to the comparison circuit and the compensation circuit, and configured to latch the first voltage in response to the second signal output by the comparison circuit.
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4.发明授权公开(公告)号：US11112912B2
公开(公告)日：2021-09-07
申请号：US16062953
申请日：2017-09-29
发明人： Jigang Sun , Wei Sun , Pengjun Chen
摘要： The calibration device is used for automatically calibrating capacitances of a sensing capacitor at various frequency points in the touch screen, and comprising a calibration circuit and a comparison circuit. The calibration circuit is connected with the sensing capacitor and the comparison circuit to transmit a calibration excitation signal to the touch screen to start calibration operations at the various frequency points, and calibrate the sensing capacitor in the touch screen according to a comparison result from the comparison circuit; the comparison circuit is used for comparing a preset capacitance with the capacitance of the sensing capacitor at a current frequency point in the touch screen to obtain the comparison result, and feeding the comparison result back to the calibration circuit, and the calibration circuit calibrates the capacitance of the sensing capacitor to a capacitance that matches with the current frequency point.
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公开(公告)号：US10453422B2
公开(公告)日：2019-10-22
申请号：US15562212
申请日：2017-03-29
发明人： Jigang Sun , Pengjun Chen , Wei Sun
IPC分类号： G06F13/14 , G09G5/00 , G06F9/44 , G09G5/393 , G06F9/4401 , G09G3/36 , G09G5/36 , G06F9/451 , G09G3/00
摘要： An electronic apparatus including a display panel integrated circuit, an erasable nonvolatile storage and a processor is provided. The erasable nonvolatile storage is configured to store a display panel integrated circuit driving program, and the processor is configured to drive the display panel integrated circuit based on the display panel integrated circuit driving program stored in the erasable nonvolatile storage. The electronic apparatus improves the research and development efficiency and reduces the waste of integrated circuits by using an erasable nonvolatile storage to store a display panel integrated circuit driving program. A driving method for an electronic apparatus is further provided.
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公开(公告)号：US12126922B2
公开(公告)日：2024-10-22
申请号：US17765028
申请日：2021-05-11
发明人： Zhaohui Meng , Xue Dong , Wei Sun , Yongzhong Zhang
摘要： An embodiment of the present disclosure provides a virtual image display system, including: a photoelectric conversion part for receiving an optical image signal and converting the optical image signal into a current signal; a voltage conversion part electrically connected to the photoelectric conversion part, for receiving the current signal and converting the current signal into a voltage signal; and a display part electrically connected to the voltage conversion part, for receiving the voltage signal and displaying an image according to the voltage signal.
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公开(公告)号：US12072565B2
公开(公告)日：2024-08-27
申请号：US17606745
申请日：2020-12-25
发明人： Dahai Hu , Wei Sun , Chen Meng , Bo Fu , Shaobo Han , Zhong Hu , Guo Liu , Jiarong Liu , Xiantao Liu , Yutao Tang , Qinhao Piao , Yongbo Wang , Siheng Xu , Wenjie Zhong , Binghai Zhu
IPC分类号： G02F1/1333 , G01K7/02 , G02F1/1339 , G05D23/22 , H05B1/02
CPC分类号： G02F1/133385 , G01K7/02 , G05D23/22 , H05B1/023 , G02F1/133302 , G02F1/1339 , G02F2202/04 , G02F2202/16 , G02F2202/28
摘要： A temperature control system and a driving method thereof, and a liquid crystal apparatus are provided. In the temperature control system, an input voltage adjustment circuit is respectively coupled to a control signal output end of a control circuit, a power signal output end, and an input end of a signal amplification circuit, and is configured to control the signal strength of a basic electrical signal transmitted to the input end of the signal amplification circuit under the control of a control signal output from the control signal output end; the signal amplification circuit is configured to output a corresponding target electrical signal to a heating element according to the basic electrical signal, and the heating element is configured to adjust the heating temperature according to the target electrical signal; a temperature sensing circuit is respectively coupled to the heating element and the control circuit, and is configured to convert a sensed sensing signal into a feedback signal and transmit the feedback signal to the control circuit; and the control circuit is configured to control the control signal output from the control signal output end according to the received feedback signal.
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公开(公告)号：US12067935B2
公开(公告)日：2024-08-20
申请号：US17762695
申请日：2021-05-07
发明人： Yifan Hou , Tiankuo Shi , Zhihua Ji , Xiaomang Zhang , Xin Duan , Wei Sun , Tao Yang , Chenxi Zhao , Xiangjun Peng , Shuo Zhang , Minglei Chu , Yan Sun , Yanhui Xi
IPC分类号： G09G3/3258 , G09G3/3208 , H01L27/32
CPC分类号： G09G3/3208 , G09G2320/0233 , G09G2320/0242 , G09G2320/041 , G09G2360/16
摘要： A display compensating method, display compensating device, and display device are provided, which relates to field of display and addresses the issues of poor screen uniformity, grayscale relationship change of sub-pixel due to ambient temperature change, and display screen brightness affected by ageing offset of threshold voltage corresponding to the sub-pixel. The display compensating method is applied to the display device, including: converting a received grayscale signal into a brightness signal; performing an optical compensation on a display brightness of the display device based on the brightness signal; converting a corresponding brightness signal on which the optical compensation is performed into a voltage signal; compensating for a threshold voltage corresponding to each sub-pixel in the display device based on the voltage signal; and compensating for operating parameters of the display device for the display device at different operating temperatures.
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公开(公告)号：US11948489B2
公开(公告)日：2024-04-02
申请号：US18137010
申请日：2023-04-20
发明人： Zhaohui Meng , Wei Sun , Wenchao Han , Hong Yang , Lin Cong , Wenjun Xiao
IPC分类号： G09G3/20
CPC分类号： G09G3/20 , G09G2310/0254 , G09G2310/0267 , G09G2310/0275 , G09G2310/0286 , G09G2310/08 , G09G2320/02
摘要： A display panel, a display device and a driving method. The display panel includes a display region and a peripheral region. The display region includes a subpixel unit array having a plurality of rows and a plurality of columns of subpixel units, and the peripheral region includes a gate drive circuit. The display region further includes a plurality of gate lines and a plurality of data lines. The gate drive circuit comprises a plurality of shift register units, and the plurality of gate lines are electrically connected with the plurality of shift register units. The gate drive circuit comprises two shift-register-unit scanning groups, in the shift-register-unit scanning groups, a (k+1)th shift register unit and a (k)th shift register unit form one shift register unit group.
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公开(公告)号：US11837149B2
公开(公告)日：2023-12-05
申请号：US17925872
申请日：2021-01-04
发明人： Shaolei Zong , Xin Duan , Jigang Sun , Wei Sun
IPC分类号： G09G3/20
CPC分类号： G09G3/2096 , G09G2310/0267 , G09G2310/0275 , G09G2310/04 , G09G2310/08 , G09G2354/00
摘要： A driving method for a display panel, a display panel and a display apparatus, including: determining a gaze region, watched by eyes of a user, in a display region of the display panel; and refreshing data of at least some of sub-pixels in the display panel according to a set rule and in combination with the gaze region.
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