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公开(公告)号：US11531246B2
公开(公告)日：2022-12-20
申请号：US16386342
申请日：2019-04-17
发明人： Le Zhang , Xuchen Yuan , Hong Liu , Bin Li , Pengcheng Tian
IPC分类号： G02F1/167 , G02F1/1685 , G02F1/1676 , G02F1/1343
摘要： A display panel, a driving method thereof and a display device are provided. The display panel includes a plurality of pixel units each of which includes a transparent electrode; a pixel electrode opposite to the transparent electrode; an auxiliary electrode at a side of the transparent electrode facing the pixel electrode, a channel penetrating through the auxiliary electrode; an electrostrictive dielectric layer between the auxiliary electrode and the transparent electrode, an accommodation space being formed in the electrostrictive dielectric layer; and charged particles located between the transparent electrode and the pixel electrode. The through channel is configured to allow the charged particles to pass through the auxiliary electrode through the through channel, and the electrostrictive dielectric layer is configured to selectively confine the charged particles in the accommodation space according to an electric field applied thereto.
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公开(公告)号：US20210407378A1
公开(公告)日：2021-12-30
申请号：US16755666
申请日：2019-10-25
发明人： Guofeng Hu , Zhenkun Song , Ming Chen , Lingyun Shi , Yuxin Bi , Xin Duan , Yankai Gao , Hong Liu , Mingjian Yu
摘要： A pixel driving circuit for a light-emission-device-based display panel is provided, including a driving transistor coupled to a light-emission device per subpixel; a digital-driving circuit having a first input terminal configured to receive a pixel voltage signal corresponding to a grayscale level of a subpixel image to be displayed and a first output terminal coupled to a gate terminal of the driving transistor. The digital-driving circuit is configured to convert the pixel voltage signal to a digital signal and transform the digital signal to a pulse-width-modulation (PWM) signal outputted via the first output terminal to the gate terminal of the driving transistor. The PWM signal comprises a pulse width proportional to the grayscale level as a duty cycle m a period of driving the light-emitting device to display subpixel image.
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公开(公告)号：US20210183331A1
公开(公告)日：2021-06-17
申请号：US16972690
申请日：2020-05-29
发明人： Hong Liu , Yankai Gao , Guofeng Hu , Mingjian Yu , Yuxin Bi , Wei Chen
摘要： The present disclosure provides a display device and a driving method thereof, which relate to a field of display technology. According to the present disclosure, first image data and second image data are merged by using a graphics processor. The merged image data may be transmitted to a control chip through only one interface. Then the merged image may be split by the control chip to obtain first image data and third image data, which are respectively transmitted to a first driving chip and a second driving chip to drive a first display panel and a second display panel to display, wherein the third image data is at least partially the same as the second image data.
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公开(公告)号：US20200251066A1
公开(公告)日：2020-08-06
申请号：US16549229
申请日：2019-08-23
发明人： Guofeng Hu , Yankai Gao , Hong Liu , Yuxin Bi , Yanhui Xi , Bin Dai , Mingjian Yu , Hong Wang , Donghui Wang
IPC分类号： G09G3/36
摘要： Provided are a gate drive circuit and a driving method thereof, a display panel and a display device. The gate drive circuit includes a first sub-circuit group and a second sub-circuit group. The first sub-circuit group can drive the mth row to the first row of pixels of the N rows of pixels in the display panel row by row, and the second sub-circuit group can drive the (m+1)th row to the Nth row of pixels row by row. In addition, m is greater than 1 and less than N.
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公开(公告)号：US11289009B2
公开(公告)日：2022-03-29
申请号：US16755666
申请日：2019-10-25
发明人： Guofeng Hu , Zhenkun Song , Ming Chen , Lingyun Shi , Yuxin Bi , Xin Duan , Yankai Gao , Hong Liu , Mingjian Yu
摘要： A pixel driving circuit for a light-emission-device-based display panel is provided, including a driving transistor coupled to a light-emission device per subpixel; a digital-driving circuit having a first input terminal configured to receive a pixel voltage signal corresponding to a grayscale level of a subpixel image to be displayed and a first output terminal coupled to a gate terminal of the driving transistor. The digital-driving circuit is configured to convert the pixel voltage signal to a digital signal and transform the digital signal to a pulse-width-modulation (PWM) signal outputted via the first output terminal to the gate terminal of the driving transistor. The PWM signal comprises a pulse width proportional to the grayscale level as a duty cycle in a period of driving the light-emitting device to display subpixel image.
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公开(公告)号：US11237656B2
公开(公告)日：2022-02-01
申请号：US16613560
申请日：2019-05-09
发明人： Le Zhang , Yanyan Yin , Weixiong Chen , Xuchen Yuan , Hong Liu , Pengcheng Tian , Hanqing Liu
IPC分类号： G06F3/041 , G06F3/044 , G09G3/36 , G02F1/1333
摘要： A touch display panel and an electronic device are provided, the touch display panel includes a first data line, a second data line, a first touch line, a second touch line, a first sub-pixel column, a second sub-pixel column, a third sub-pixel column, and a fourth sub-pixel column. A distance from the first sub-pixel column to the first data line a right side of the first sub-pixel column is a first distance, a distance from the second sub-pixel column to the first data line on a left side of the second sub-pixel column is a second distance, and the first distance is smaller than the second distance. A distance from the third sub-pixel column to the second data line is a third distance, a distance from the fourth sub-pixel column to the second data line is a fourth distance, and the third distance is greater than the fourth distance.
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公开(公告)号：US11329076B2
公开(公告)日：2022-05-10
申请号：US16281136
申请日：2019-02-21
发明人： Yangheng Li , Hong Liu , Huiying Li , Xue Tian
IPC分类号： H01L27/146 , G01T1/208
摘要： A display substrate includes a plurality of pixel units. Each of the plurality of pixel units is provided with a plurality of sub-pixels. Each of the plurality of sub-pixels is correspondingly provided with a thin film transistor TFT. At least two TFTs are symmetrical about a geometric center point of the pixel unit.
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公开(公告)号：US10909943B2
公开(公告)日：2021-02-02
申请号：US16549229
申请日：2019-08-23
发明人： Guofeng Hu , Yankai Gao , Hong Liu , Yuxin Bi , Yanhui Xi , Bin Dai , Mingjian Yu , Hong Wang , Donghui Wang
IPC分类号： G09G3/36
摘要： Provided are a gate drive circuit and a driving method thereof, a display panel and a display device. The gate drive circuit includes a first sub-circuit group and a second sub-circuit group. The first sub-circuit group can drive the mth row to the first row of pixels of the N rows of pixels in the display panel row by row, and the second sub-circuit group can drive the (m+1)th row to the Nth row of pixels row by row. In addition, m is greater than 1 and less than N.
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公开(公告)号：US10890809B2
公开(公告)日：2021-01-12
申请号：US16095169
申请日：2018-02-27
发明人： Le Zhang , Pengcheng Tian , Ze Liu , Hong Liu , Xin Li
IPC分类号： G02F1/1362 , G02F1/1335 , G02F1/1339 , H01L23/60 , H05F3/02
摘要： A display substrate and a display device are provided. The display substrate includes a display region and a non-display region located at a periphery of the display region. The non-display region includes a plurality of conductive poles arranged on a base substrate, and the plurality of conductive poles is grounded and is distributed at the periphery of the display region to transfer static electricity out.
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公开(公告)号：US12111554B2
公开(公告)日：2024-10-08
申请号：US17791338
申请日：2021-08-18
发明人： Hong Liu , Jingyi Xu , Xiaochun Xu , Jiantao Liu , Wanzhi Chen , Chengfu Xu , Bo Li , Yongqiang Zhang , Peng Liu , Ruirui Hao , Yu Feng , Xinguo Wu
IPC分类号： G02F1/1368 , H10K59/124
CPC分类号： G02F1/1368 , H10K59/124
摘要： The present disclosure provides a display substrate and a display panel, and belongs to the field of display technology. The present display substrate includes a display region and a peripheral region surrounding the display region; the display substrate includes: a base substrate; a plurality of insulating layers sequentially arranged along a direction away from the base substrate; wherein each of the plurality of insulating layers is located in the display region and the peripheral region; one or more protrusion structures arranged between at least two adjacent ones of the plurality of insulating layers and in the peripheral region.
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