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公开(公告)号：US11451727B2
公开(公告)日：2022-09-20
申请号：US16704537
申请日：2019-12-05
发明人： Yu Zhao , Yanchen Li , Xianwei Sui , Mengmeng Ma , Dawei Feng , Hailong Wang
IPC分类号： H05G1/64 , H04N5/357 , G09G3/22 , H04N5/3745 , H04N5/32 , H04N5/378 , H01L27/146 , G01T1/20
摘要： A pixel circuit, a driving method thereof, an array substrate, and a display device are provided. The pixel circuit includes signal inputting sub-circuit, signal reading sub-circuit, and photosensitive element. The signal inputting sub-circuit is configured to: under control of inputting control terminal, turn on coupling between signal inputting terminal and first terminal of photosensitive element in signal writing period, and turn off coupling between signal inputting terminal and first terminal of photosensitive element in exposure period and signal reading period. The signal reading sub-circuit is configured to: under control of reading control terminal, turn off coupling between first terminal of photosensitive element and signal reading terminal in signal writing period and exposure period, and turn on coupling between first terminal of photosensitive element and signal reading terminal in signal reading period. Second terminal of photosensitive element is coupled to common electrode signal inputting terminal.
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公开(公告)号：US11200824B2
公开(公告)日：2021-12-14
申请号：US15776176
申请日：2017-09-22
发明人： Jinyu Li , Yue Li , Xi Chen , Yanchen Li , Xingyou Luo , Dawei Feng , Shaojun Hou , Dong Wang , Yu Zhao , Mingyang Lv , Wang Guo
摘要： The present disclosure provides a shift register unit, a driving method thereof, a gate driver circuit and a display device. The shift register unit includes: a first input subcircuit configured to transmit a first voltage signal to a pull-up node under a control of a first input signal; an output subcircuit configured to transmit a clock signal to a first output end and to transmit a second voltage signal to a second output end; a storage unit having a first end coupled to the pull-up node and a second end coupled to the first output end; a first pull-down subcircuit configured to pull down a voltage of the first output end and the second output end; and a second pull-down subcircuit configured to pull down a voltage of the first output end and the second output end.
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公开(公告)号：US11691147B2
公开(公告)日：2023-07-04
申请号：US16641126
申请日：2019-07-26
发明人： Mingyang Lv , Yue Li , Yanchen Li , Jinyu Li , Dawei Feng , Yu Zhao , Dong Wang , Wang Guo , Hailong Wang , Yue Geng , Peizhi Cai , Fengchun Pang , Le Gu , Chuncheng Che , Haochen Cui , Yingying Zhao , Nan Zhao , Yuelei Xiao , Hui Liao
IPC分类号： B01L3/00
CPC分类号： B01L3/50273 , B01L3/502792 , B01L2200/10 , B01L2300/0645 , B01L2300/165 , B01L2400/0427
摘要： A digital microfluidic chip and a digital microfluidic system. The digital microfluidic chip comprises: an upper substrate and a lower substrate arranged opposite to each other; multiple driving circuits and multiple addressing circuits disposed between the lower substrate and the upper substrate; and a control circuit, electrically connected to the driving circuits and the addressing circuits. The control circuit is configured to apply, in a driving stage, a driving voltage to each driving circuit, such that a droplet is controlled to move inside a droplet accommodation space according to a set path, measure, in a detection stage, after a bias voltage is applied to each addressing circuit, a charge loss amount of each addressing circuit, and to determine the position of the droplet according to the charge loss amount. The charge loss amount of each addressing circuit is related to the intensity of received external light.
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公开(公告)号：US10832608B2
公开(公告)日：2020-11-10
申请号：US16386778
申请日：2019-04-17
发明人： Wang Guo , Yu Zhao , Hailong Wang , Dawei Feng , Mingyang Lv
IPC分类号： G09G3/20
摘要： The disclosure relates to a pixel circuit, a method for driving method, a display panel, and a display device. The pixel circuit includes: a scan control circuit, a latch circuit, a charging control circuit, and a pixel electrode; the scan control circuit is configured to output a data signal to a first node in response to a gate scan signal; the latch circuit is configured to latch signals of the first node and a second node response to a signal of the first node; and the charging control circuit is configured to output a first display voltage signal to the pixel electrode in response to the signal of the first node and a charging control signal, and to output a second display voltage signal to the pixel electrode in response to the signal of the second node and the charging control signal.
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公开(公告)号：US20240355836A1
公开(公告)日：2024-10-24
申请号：US18027248
申请日：2022-04-26
发明人： Desheng Wang , Dawei Feng , Zhichao Yang , Jian Wang , Yong Zhang , Hui Li , Qi Deng , Lingfang Nie , Longhu Hao , Zanwu Guo
IPC分类号： H01L27/12 , G02F1/1343 , G02F1/1362 , G02F1/1368
CPC分类号： H01L27/1244 , G02F1/134309 , G02F1/136209 , G02F1/13629 , G02F1/1368 , H01L27/1288
摘要： The present application provides an array base plate and a method for manufacturing the same, a display panel, the array base plate including a substrate; a first conducting layer located at one side of the substrate, and including a plurality of data lines arranged in an array; a second conducting layer located at one side of the first conducting layer away from the substrate, and in direct contact with a part of a region of the first conducting layer, and including a pixel electrode and a compensating electrode; wherein an orthographic projection of the compensating electrode on the substrate is located within orthographic projections of the data lines on the substrate. The embodiments of the present application provide an array base plate with low cost, high preparation yield, and good reliability.
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公开(公告)号：US11308853B2
公开(公告)日：2022-04-19
申请号：US16304952
申请日：2018-02-08
发明人： Wang Guo , Yanchen Li , Yue Li , Jinyu Li , Dawei Feng , Yu Zhao , Shaojun Hou , Dong Wang , Mingyang Lv
IPC分类号： G09G3/3266 , G09G3/20
摘要： There are provided in the present disclosure a shift register and a driving method thereof, a gate driving circuit and a display apparatus. The shift register of the present disclosure includes: a forward scanning input sub-circuit for pre-charging a potential of a pull-up node by an operation level signal under control of a forward input signal and a forward scanning signal upon scanning forwards; a backward scanning input sub-circuit for pre-charging the potential of the pull-up node by an operation level signal under control of a backward input signal and a backward scanning signal upon scanning backwards; an output sub-circuit for outputting a clock signal through a signal output terminal under control of the potential of the pull-up node; wherein the pull-up node is a connection node of the forward scanning input sub-circuit, the backward scanning input sub-circuit and the output sub-circuit.
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公开(公告)号：US11243648B2
公开(公告)日：2022-02-08
申请号：US16079612
申请日：2018-02-12
发明人： Xingyou Luo , Yue Li , Xi Chen , Yanchen Li , Jinyu Li , Dawei Feng , Yu Zhao , Shaojun Hou , Dong Wang , Mingyang Lv , Wang Guo
摘要： The present disclosure provides a touch panel, an array substrate and a display device. The touch panel includes a touch control electrode unit including a first electrode and a second electrode which are insulated from each other, and the second electrode surrounds the first electrode. In the touch panel in which the second electrode surrounds the first electrode in the touch control electrode unit, since the first electrode and the second electrode are provided independently, touch control driving and sensing are performed on the first electrode and the second electrode respectively when the touch panel is being touched.
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公开(公告)号：US20200333582A1
公开(公告)日：2020-10-22
申请号：US16464613
申请日：2019-01-07
发明人： Mingyang Lv , Yue Li , Yanchen Li , Jinyu Li , Yu Zhao , Dawei Feng , Wang Guo
IPC分类号： G02B26/00 , G02F1/167 , G02F1/1676 , G02F1/1685 , G09G3/34
摘要： An electrowetting display panel includes a plurality of subpixels. Each of the plurality of subpixels having a subpixel area and an hater-subpixel area. The electrowetting display panel includes a first substrate, including a first insulating layer, a first electrode layer on the first insulating layer, and a first lyophobic layer on a side of the first electrode layer away from the first insulating layer; a second substrate facing the first substrate, including a second electrode layer, and a second lyophobic layer on the second electrode layer; and a plurality of sealing elements between the first substrate and the second substrate to define a plurality of fluid channels, each of the plurality of sealing elements being in the inter-subpixel area. The electrowetting display panel includes a first fluid reservoir and a respective one of the plurality of fluid channels between the first lyophobic layer and the second lyophobic layer.
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公开(公告)号：US20200273885A1
公开(公告)日：2020-08-27
申请号：US16666569
申请日：2019-10-29
发明人： Dawei Feng , Yue Li , Yu Zhao
IPC分类号： H01L27/12
摘要： An array substrate, a display panel, and a display device are provided. The array substrate includes: a plurality of pixel zones in an array on a base substrate, where each pixel zone includes a pixel electrode, a common electrode, a compensation electrode, and a control circuit. The compensation electrode is insulated from the common electrode, the orthographic projection of the compensation electrode on the base substrate has an overlap area with the orthographic projection of the pixel electrode on the base substrate, and the orthographic projection of the common electrode on the base substrate has an overlap area with the orthographic projection of the pixel electrode on the base substrate; and the control circuit is configured to connect the pixel electrode with the compensation electrode while the pixel electrode is being charged.
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10.发明授权公开(公告)号：US11994762B2
公开(公告)日：2024-05-28
申请号：US17802744
申请日：2021-10-14
发明人： Yang Ge , Yu Zhao , Xiaojuan Wu , Jiaxing Wang , Xian Wang , Huairui Yue , Jianwei Ma , Hailong Wang , Dawei Feng , Hao Yan
IPC分类号： G02F1/1333 , G02F1/133 , G02F1/1339 , G02F1/1343 , G02F1/1362 , G02F1/1368
CPC分类号： G02F1/13338 , G02F1/13306 , G02F1/133357 , G02F1/1339 , G02F1/134309 , G02F1/136286 , G02F1/1368
摘要： Provided is a liquid crystal handwriting board. The liquid crystal handwriting board includes: a liquid crystal panel, and a drive assembly electrically connected to the liquid crystal panel; wherein the liquid crystal panel includes: a first substrate and a second substrate that are opposite to each other, and a liquid crystal layer disposed between the first substrate and the second substrate; and the drive assembly is configured to apply, based on position information of a region to be erased, a pixel voltage to a pixel electrode in the region to be erased in the case that the liquid crystal handwriting board is in an erasing mode, such that a voltage difference is developed between the pixel electrode in the region to be erased and the common electrode.
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