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公开(公告)号：US20210407377A1
公开(公告)日：2021-12-30
申请号：US16754914
申请日：2019-11-14
Inventor： Yankai GAO , Ming CHEN , Lingyun SHI , Xin DUAN , Yuxin BI , Hong LIU , Mingjian YU , Guofeng HU
IPC: G09G3/32
Abstract: Disclosed includes an apparatus, a drive method, a display panel, and a display device. The apparatus may comprise a drive transistor, a light emitting device driven by the drive transistor and a comparator. The comparator may have a first input coupled to a pixel voltage, a second input coupled to a reference voltage, a first control terminal coupled to a first control voltage, a second control terminal coupled to a second control voltage, and an output coupled to a gate of the drive transistor. The comparator may be configured to output the first control voltage to the output during a first time period in which the pixel voltage is not smaller than the reference voltage and output the second control voltage to the output during a second time period in which the pixel voltage is smaller than the reference voltage.
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公开(公告)号：US20210215987A1
公开(公告)日：2021-07-15
申请号：US16634664
申请日：2018-12-07
Inventor： Lei CHEN , Qi ZHANG , Xuerong WANG , Zhiqiang WANG , Xin MA , Chuan SUN , Qiuli WANG , Bochao RUI , Lingyun SHI , Hao ZHANG
IPC: G02F1/155 , G02F1/163 , G02F1/1524
Abstract: A visual range adjustment component and a driving method thereof, a visual range adjustment device, and a display device are disclosed. The visual range adjustment component includes a first substrate; a second substrate; an electrolyte layer; and a plurality of electrochromic elements. Each of the plurality of electrochromic elements includes a first transparent electrode, two second transparent electrodes and an electrochromic layer; the first transparent electrode is located on a side of the first substrate facing the second substrate and the second transparent electrode is located on a side of the second substrate facing the first substrate; the electrolyte layer is arranged to be in contact with the first transparent electrode, the second transparent electrode, and the electrochromic layer, respectively; the first transparent electrode and the two second transparent electrodes respectively drive the electrochromic layer to change color through the electrolyte layer to adjust a visual range.
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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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Patent Agency Ranking
16.发明申请公开(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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17.发明申请公开(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：US20170372651A1
公开(公告)日：2017-12-28
申请号：US15542010
申请日：2016-09-26
Inventor： Quanhua HE , Lingyun SHI , Hao ZHANG , Chao YU
IPC: G09G3/20
CPC classification number: G09G3/2085 , G09G3/20 , G09G2300/0408 , G09G2310/0267 , G09G2310/0283
Abstract: There are disclosed a gate driving circuit and a display device, which include: M areas, each area includes K sub driving circuit, and the k-th sub driving circuit includes: first and second row driving circuits, both of which include: a gate line grating control module (11) including a row control signal input terminal and an area grating signal input terminal, and an output terminal of the gate line grating control module (11) outputs a gate line grating signal according to received k-th and (k+1)-th row control signals and area grating signal; and a gate driving signal output module (12) including a gate line grating signal input terminal, a first-level driving signal input terminal and a second-level driving signal input terminal, and an output terminal of the gate driving signal output module (12) is connected to the gate line. The gate driving circuit can enhance flexibility of a scanning mode.
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公开(公告)号：US20170249897A1
公开(公告)日：2017-08-31
申请号：US15514822
申请日：2016-02-18
Inventor： Di WANG , Hao ZHANG , Lingyun SHI , Xue DONG
IPC: G09G3/3233 , G09G3/3291 , G09G3/3266
CPC classification number: G09G3/3233 , G09G3/3266 , G09G3/3291 , G09G2300/0809 , G09G2300/0833
Abstract: The present disclosure provides a pixel circuit and a driving method thereof, a display panel and a display apparatus. In the pixel circuit, a driving transistor has one of a source and a drain connected to a control voltage line, and the other connected to a light-emitting device; a storage capacitor has a first terminal connected to a gate of the driving transistor and a second terminal connected to the control voltage line; a conducting unit has a first terminal connected to a scanning line, a second terminal connected to a data line, a third terminal connected to a first terminal of an addressing unit, and a fourth terminal connected to a common terminal, and is configured to conduct a connection between the second terminal and the third terminal when the first terminal is at a first level and conduct a connection between the third terminal and the fourth terminal when the first terminal is at a second level; and the addressing unit has a second terminal connected to the data line and a third terminal connected to the first terminal of the storage capacitor, and is configured to conduct a connection between the second terminal and the third terminal when the first terminal is at a valid level.
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公开(公告)号：US20170199563A1
公开(公告)日：2017-07-13
申请号：US15105144
申请日：2016-01-05
Inventor： Di WANG , Hao ZHANG , Lingyun SHI , Jialong LI , Xue DONG
CPC classification number: G06F1/3265 , G06F1/32 , G06F1/324 , G06F3/14 , G06T1/20 , G06T1/60 , G06T15/005 , G09G5/363
Abstract: The present invention provides an image display method and a display system, belongs to the field of display technology, and can solve the problem of large power consumption in an existing image display method when displaying images. The image display method of the present invention comprises: determining a utilization ratio of a CPU according to a pre-acquired working parameter of the CPU to a determined result; adjusting a processing frequency of a GPU according to the determined result; and adjusting a resolution of displayed images according to the adjusted processing frequency of the GPU so as to display images.
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