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41.
公开(公告)号:US20210072851A1
公开(公告)日:2021-03-11
申请号:US16062953
申请日:2017-09-29
Inventor: Jigang SUN , Wei SUN , Pengjun CHEN
Abstract: 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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42.
公开(公告)号:US20200309594A1
公开(公告)日:2020-10-01
申请号:US16683511
申请日:2019-11-14
Inventor: Pengfei WEI , Wei SUN , Zheng JIA , Xu GUAN , Zhenwei GAO , Xue GAO , Ning XIE , Xingge JIA , Zongyuan WANG , Chuanhui MA
IPC: G01J1/44
Abstract: Disclosed are an optical detection method and an optical detection apparatus for a fatigue state of a user, and an optical detection device, this application relates to the field of detection technology, and is for improving accuracy of detection of the fatigue state. An optical detection method includes: irradiating eyes of the user with an infrared light; obtaining an intensity of an infrared light reflected by the eyes of the user; and determining whether the user is in a fatigue state based on the intensity of the reflected infrared light.
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公开(公告)号:US20190361658A1
公开(公告)日:2019-11-28
申请号:US15757210
申请日:2017-08-07
Inventor: Tiankuo SHI , Xue DONG , Dong CHEN , Xiaomang ZHANG , Wei SUN , Lingyun SHI , Yan LI , Xiaochuan CHEN , Shengji YANG
Abstract: A processing circuit of a display panel, a display method and a display device are provided. The display panel is divided into a plurality of display regions. The processing circuit includes: a plurality of display control circuits corresponding to the plurality of display regions respectively; a sight line acquisition circuit configured to acquire a focused region of the display panel on which sight lines of human eyes are focused; and a control circuit configured to determine from the plurality of display regions a first display region overlapping the focused region and a second display region not overlapping the focused region, enable the display control circuit corresponding to the first display region to output first image data, and enable the display control circuit corresponding to the second display region to output second image data having a refresh rate smaller than the first image data.
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公开(公告)号:US20190228712A1
公开(公告)日:2019-07-25
申请号:US16325562
申请日:2018-07-06
Inventor: Yan LI , Bo GAO , Lingyun SHI , Wei SUN
IPC: G09G3/3266 , G09G3/36
Abstract: A display device includes a first gate driver configured to sequentially supply gate scan signals to gate lines in a first subset in response to a first timing signal, a second gate driver configured to sequentially supply gate scan signals to gate lines in a second subset in response to a second timing signal, the first subset of gate lines and the second subset of gate lines are alternately arranged, and a signal controller configured to supply respectively the first and second timing signals that are synchronized with each other to the first and second gate drivers in response to receiving an indication of a first resolution mode, and further configured to supply respectively the first and second timing signals that are time-shifted relative to each other to the first and second gate drivers in response to receiving an indication of a second resolution mode.
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公开(公告)号:US20190181631A1
公开(公告)日:2019-06-13
申请号:US16122320
申请日:2018-09-05
Inventor: Qibing GU , Bo GAO , Wei SUN , Lingyun SHI , Hao ZHANG , Guangquan WANG , Ming CHEN , Xue DONG
IPC: H02H3/20 , G02F1/1335 , H05B33/08
Abstract: A method for driving a backlight module, a driving device and a display apparatus are provided. The backlight module is divided into a plurality of light-emitting areas, each of the light-emitting areas including a plurality of lines of point sources, and the driving device includes a controller and a driving component, the driving component is connected to the controller and is configured to output a time series of voltage signal to the controller, and the controller is connected to all the plurality of lines of point sources in each of the light-emitting areas and is configured to drive the lines of point sources in the light-emitting area to emit light respectively at different periods based on the time series of voltage signal.
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46.
公开(公告)号:US20190180700A1
公开(公告)日:2019-06-13
申请号:US16048782
申请日:2018-07-30
Inventor: Qibing GU , Bo GAO , Wei SUN , Lingyun SHI , Hao ZHANG , Guangquan WANG , Ming CHEN , Xue DONG
Abstract: The present disclosure relates to a backlight driving circuit, a backlight driving method, a backlight device and a display device. A backlight driving circuit for driving a light source array, comprising: a control sub-circuit for outputting a control signal and different timing voltage signals; a driving sub-circuit for providing data signals to the light source array according to the control signal; and a selection sub-circuit that corresponds to rows in the light source array, wherein the selection sub-circuit is configured to control the turning-on of light sources of the corresponding rows in the light source array according to the timing voltage signals outputted by the control sub-circuit.
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47.
公开(公告)号:US20190147566A1
公开(公告)日:2019-05-16
申请号:US15928574
申请日:2018-03-22
Inventor: Yafei LI , Bo GAO , Wei SUN , Hao ZHANG , Ming CHEN , Lingyun SHI , Guangquan WANG , Xiurong WANG
Abstract: The image data transmission method provided by embodiments of the present disclosure is used in the image processing device, and includes steps of: acquiring a fixation region and a non-fixation region on a display screen of the display device; compressing image data of a to-be-displayed image corresponding to the non-fixation region to acquire image data at a second resolution; and combining the image data at the second resolution with image data of the to-be-displayed image at a first resolution corresponding to the fixation region, and outputting the combined image data to the display device, the first resolution being substantially greater than the second resolution.
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公开(公告)号:US20250148950A1
公开(公告)日:2025-05-08
申请号:US19013269
申请日:2025-01-08
Inventor: Zhaohui MENG , Wei SUN , Wenchao HAN , Hong YANG , Lin CONG , Wenjun XIAO
IPC: G09G3/20
Abstract: 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 includes 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 includes 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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49.
公开(公告)号:US20250142258A1
公开(公告)日:2025-05-01
申请号:US19008548
申请日:2025-01-02
Inventor: Minglei CHU , Yanhui XI , Xiaomang ZHANG , Xiangjun PENG , Wenchao HAN , Lianghao ZHANG , Wei SUN , Rui LIU , Xin DUAN , Tiankuo SHI
Abstract: 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 orthographic projection of the first sound-emitting units on the plane of the display screen is located in the first display region, the orthographic projection of the second sound-emitting units on the plane of the display screen is located in the second display region, and the orthographic projection of the third sound-emitting units on the plane of the display screen is located in the third display region; 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:US20250098507A1
公开(公告)日:2025-03-20
申请号:US18292939
申请日:2023-02-20
Inventor: Xiaotian PANG , Jiaqiang WANG , Xiantao LIU , Yunshan WANG , Chen MENG , Yonghui WANG , Wei SUN , Siheng XU , Dahai HU , Ziyan LI , Zhong HU
IPC: H10K59/80 , H10K59/131
Abstract: The present disclosure provides a display panel and a display device, pertains to the field of display technologies. The present disclosure provides a display panel at least including a display region. The display panel includes a base substrate and a plurality of sub-pixels disposed on the base substrate, a sub-pixel at least includes a light emitting device, and the light emitting device is located in the display region. The light emitting device includes a first electrode, a light emitting layer, and a second electrode provided in sequence in a direction facing away from a base substrate. The display panel further includes a heat conduction structure disposed on a side of the first electrode facing away from the light emitting layer, and orthographic projections of the heat conduction structure and the first electrode on the base substrate are at least partially overlapped with each other.
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