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公开(公告)号:US09958974B2
公开(公告)日:2018-05-01
申请号:US15209191
申请日:2016-07-13
Inventor: Rui Xu , Xiaoliang Ding , Xiaochuan Chen
IPC: G06F3/047 , G06F3/041 , G06F3/044 , G02F1/1333 , H01L27/32
CPC classification number: G06F3/0412 , G02F1/13338 , G06F3/044 , G06F2203/04103 , H01L27/323
Abstract: The present disclosure provides a touch substrate, its manufacturing method and a display device. The touch substrate includes a base substrate provided with a plurality of via-holes, a first electrode arranged at a first surface of the base substrate and covering the plurality of via-holes, and a plurality of second electrodes arranged at a second surface of the base substrate opposite to the first surface and each located at a position corresponding to a touch region. An elastic conductor is arranged in each via-hole so as to electrically connect the first electrode to at least one of the second electrodes in the case that the base substrate is being pressed. Each second electrode corresponds to at least one elastic conductor. The first electrode is connected to a bias voltage input end, and the second electrodes are each connected to a respective detection signal output end via a respective detection line.
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公开(公告)号:US09946386B2
公开(公告)日:2018-04-17
申请号:US15325437
申请日:2016-07-01
Inventor: Yingming Liu , Xue Dong , Haisheng Wang , Xiaochuan Chen , Weijie Zhao , Changfeng Li , Xiaoliang Ding , Shengji Yang , Hongjuan Liu , Wei Liu , Lei Wang
IPC: G06F3/041 , G06K9/00 , G02F1/1333 , G02F1/1362 , G02F1/133 , G02F1/1343 , G02F1/1368
CPC classification number: G06F3/0412 , G02F1/13318 , G02F1/13338 , G02F1/134309 , G02F1/136286 , G02F1/1368 , G02F2001/134345 , G02F2201/58 , G06F3/0416 , G06F3/042 , G06K9/00013 , G06K9/00026
Abstract: The present application discloses a display panel having an array of a plurality of pixel units, each pixel unit including at least three subpixels for image display, at least some of the plurality of pixel units including a semiconductor photodetector for detecting biometric information; a plurality of first scan lines and a plurality of data lines, each first scan line being connected to a row of subpixels, each data line being connected to a column of subpixels; each subpixel including a first transistor for image display; a plurality of common voltage terminals, each common voltage terminal being connected to a semiconductor photodetector; a plurality of second scan lines, each second scan line being connected to a plurality of semiconductor photodetectors for providing a control voltage signal; each semiconductor photodetector having a second transistor; the second transistor being a phototransistor having a gate node connected to a corresponding second scan line for receiving the control voltage signal to turn on the second transistor, and a first node connected to a corresponding common voltage terminal; and a plurality of read lines, each read line being connected to each semiconductor photodetector in a column of pixel units.
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公开(公告)号:US09778802B2
公开(公告)日:2017-10-03
申请号:US14648087
申请日:2014-09-23
Inventor: Shengji Yang , Xue Dong , Haisheng Wang , Hailin Xue , Yingming Liu , Weijie Zhao , Xiaoliang Ding , Hongjuan Liu , Changfeng Li
IPC: G06F3/044 , G02F1/1333 , G06F3/041
CPC classification number: G06F3/044 , G02F1/1333 , G06F3/0412 , G06F3/0416 , G06F2203/04111 , G06F2203/04112
Abstract: An in-cell touch panel and a display device are provided, and the in-cell touch panel includes: an upper substrate and a lower substrate arranged oppositely to each other; a conductive layer which is provided on a side, facing the lower substrate, of the upper substrate or on a side, facing the upper substrate, of the lower substrate, and comprises a plurality of hollowed-out regions arranged in a matrix form; a plurality of self-capacitance electrodes insulated from the conductive layer and arranged in a layer in which the conductive layer is provided, each of the hollowed-out regions being provided therein with at least one of the self-capacitance electrodes; and a plurality of conductive wires respectively electrically connected with the self-capacitance electrodes. This in-cell touch panel can reduce the number of the conductive wires, so as to facilitate a narrow frame design and reduce the occurrence possibility of a larger touch blind area to a certain extent.
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公开(公告)号:US09746973B2
公开(公告)日:2017-08-29
申请号:US14649280
申请日:2014-09-30
Inventor: Haisheng Wang , Xue Dong , Yingming Liu , Xiaoliang Ding , Shengji Yang , Weijie Zhao , Hongjuan Liu , Tao Ren
IPC: G06F3/044 , G02F1/1333 , G06F3/041
CPC classification number: G06F3/044 , G02F1/13338 , G06F3/0412 , G06F3/0416 , G06F2203/04112 , G09G3/00
Abstract: A method for driving an in-cell touch panel, a drive device and a display device are disclosed. The driving method includes: in a touch period, applying touch detection signals to self-capacitance electrodes, receiving feedback touch sensing signals, and determine a possible touch area provided with at least one self-capacitance electrode according to the variation of the touch sensing signals compared with the touch detection signals; subsequently, taking at least a portion of self-capacitance electrodes in the touch area as a first touch electrode, taking a self-capacitance electrode adjacent to the first touch electrode as a second touch electrode, and determining an accurate touch position according to the principle of the different amount of projection fields between the first touch electrodes and the second touch electrodes. The driving method can improve the touch detection accuracy.
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公开(公告)号:US20170242536A1
公开(公告)日:2017-08-24
申请号:US15519883
申请日:2016-08-12
Inventor: Haisheng Wang , Xue Dong , Hailin Xue , Xiaochuan Chen , Xiaoliang Ding , Yingming Liu , Shengji Yang , Weijie Zhao , Changfeng Li , Wei Liu , Pengpeng Wang
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044 , G06F2203/04105
Abstract: A touch panel, a display device and a driving method thereof are provided. The touch panel includes: an array substrate, an opposing substrate and touch pressure-sensitive electrodes. The opposing substrate is arranged opposite to the array substrate; and the touch pressure-sensitive electrodes are disposed on a bottom layer on a side of the array substrate facing the opposing substrate and configured to form a capacitor structure together with a metal layer disposed on a side of the array substrate away from the opposing substrate, so as to sense pressure touch.
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86.
公开(公告)号:US20170242533A1
公开(公告)日:2017-08-24
申请号:US15501849
申请日:2016-07-01
Inventor: Yingming Liu , Xue Dong , Haisheng Wang , Xiaochuan Chen , Weijei Zhao , Changfeng Li , Xiaoliang Ding , Shengji Yang , Hongjuan Liu , Wei Liu , Lei Wang , Ming Yang , Rui Xu , Liguang Deng
IPC: G06F3/041 , G09G3/36 , G06K9/00 , G02F1/133 , G02F1/1333 , G09G3/3225 , G09G3/3266
CPC classification number: G06F3/0416 , G02F1/13318 , G02F1/13338 , G02F2001/13312 , G06F3/0412 , G06F3/044 , G06K9/00013 , G06K9/0008 , G09G3/3225 , G09G3/3266 , G09G3/3611 , G09G3/3677 , G09G2300/023 , G09G2310/0205 , G09G2310/08 , G09G2354/00 , G09G2360/14
Abstract: The present application discloses a display apparatus including a liquid crystal display (LCD) panel having an array of a plurality of LCD pixel units; each LCD pixel unit including one or more LCD subpixels, at least some of the plurality of LCD pixel units having a semiconductor photodetector in at least one LCD subpixel for detecting biometric information; and an active matrix organic light emitting display (AMOLED) panel having an array of a plurality of AMOLED pixel units, each AMOLED pixel unit including one or more AMOLED subpixels, each of which having an organic light emitting diode. Each AMOLED subpixel corresponds to one or more LCD subpixel.
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公开(公告)号:US20170220169A1
公开(公告)日:2017-08-03
申请号:US15229222
申请日:2016-08-05
Inventor: Lei Wang , Rui Xu , Xiaochuan Chen , Ming Yang , Pengcheng Lu , Shengji Yang , Yingming Liu , Xiaoliang Ding , Changfeng Li
CPC classification number: G06F3/0414 , G06F3/041 , G06F3/0412 , G06F3/044 , G06F2203/04105
Abstract: Embodiments of the present disclosure relate to a pressure sensing structure, a pressure sensing panel and a pressure sensing display device. The pressure sensing structure includes a first electrode, a second electrode, a common electrode, a capacitance detection unit and a pressure grade identification unit; a first insulating layer is provided between the first and second electrodes, a second insulating layer is provided between the second electrode and the common electrode; the first and/or the second electrodes include a plurality of sub-electrodes which are separated from each other; a plurality of through holes are provided in the first insulating layer, a conductive sliding cylinder is provided in each of the through holes, the sliding cylinder is connected to the first electrode and spaced apart from the second electrode by a gap in an initial unstressed state, the sliding cylinder slides to the second electrode along the through hole when being subjected to a pressure, which results in a change in capacitance value between the first and second electrodes and in turn a change in a capacitance value between the first electrode and the common electrode, wherein the gap value between the slide cylinders in the plurality of through holes and the second electrodes are classified into a plurality of grades; the capacitance detection unit is connected with the first electrode and the common electrode respectively so as to detect the capacitance value between the first electrode and the common electrode; the pressure grade identification unit determines the grade of user's pressure according to the detected capacitance value.
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公开(公告)号:US20170185208A1
公开(公告)日:2017-06-29
申请号:US15115945
申请日:2016-01-29
Inventor: Yingming Liu , Xue Dong , Haisheng Wang , Xiaochuan Chen , Xiaoliang Ding , Shengjl Yang , Weijie Zhao , Hongjuan Liu , Liguang Deng , Huizhong Zhu , Changfeng Li , Wei Liu , Lei Wang
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044 , G06F2203/04103 , G06F2203/04111
Abstract: A touch display panel, a fabrication method thereof, and a touch display apparatus are provided. The touch display panel comprises an array substrate (20) and an opposite substrate which are arranged to face each other, the opposite substrate includes a plurality of touch sensing electrodes distributed in a row direction. The array substrate (20) includes a plurality of touch driving electrodes (201) distributed in a column direction, a plurality of touch driving electrode wires (202) distributed in the row direction, and a plurality of touch driving electrode connection wires (203) which are distributed in the column direction and are insulated from the touch driving electrode wires (202). Each column of touch driving electrodes (201) include a plurality of touch driving electrode blocks (2011), each of the touch driving electrode blocks (2011) is connected with one touch driving electrode wire (202), and different columns of touch driving electrode blocks (2011) are connected with different touch driving electrode wires (202). Each of the touch driving electrode blocks (2011) includes a plurality of interruptedly distributed touch driving electrode units (2012), and the touch driving electrode units (2012) of each of the touch driving electrode blocks (2011) are electrically connected by the touch driving electrode connection wires (203). An orthogonal projection of the touch driving electrode wire (202) connected with corresponding touch driving electrode block (2011) on the array substrate does not overlap with orthogonal projections of the touch driving electrode units (2012) of other touch driving electrode blocks (2011) than the corresponding touch driving electrode block (2011) on the array substrate. Crosstalk of the touch display panel is reduced, and a touch effect of the touch display panel is improved.
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89.
公开(公告)号:US20170139222A1
公开(公告)日:2017-05-18
申请号:US15105632
申请日:2015-10-30
Inventor: Shengji Yang , Xue Dong , Hailin Xue , Haisheng Wang , Wenqing Zhao , Renwei Guo , Peng Liu , Chung-chun Chen , Jinghua Miao , Mubing Li , Changfeng Li , Yingming Liu , Weijie Zhao , Xiaoliang Ding , Wei Liu , Hongjuan Liu
CPC classification number: G02B27/2228 , G02B27/22 , G02F1/15 , G02F1/155 , G02F1/157 , G02F1/163 , G02F2201/30 , G06F3/045
Abstract: A 3D grating, a color filter substrate, a display device and a control method thereof are provided. The 3D grating comprises: a first transparent electrode layer; a second transparent electrode layer; and an electrochromic material layer formed between the first transparent electrode layer and the second transparent electrode layer; wherein the first transparent electrode layer comprises a pattern of strip-shaped electrodes, which comprises a plurality of strip-shaped electrodes and an electrode wire electrically connected with each of the strip-shaped electrodes in the pattern; and wherein the electrochromic material layer is configured to be non-transparent when it is in an electric field and to be transparent when it is not in an electric field, or the electrochromic material layer is configured to be transparent when it is in an electric field and to be non-transparent when it is not in an electric field.
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公开(公告)号:US09606669B2
公开(公告)日:2017-03-28
申请号:US14435972
申请日:2014-08-07
Inventor: Shengji Yang , Xiaoliang Ding , Xue Dong , Haisheng Wang , Yingming Liu , Weijie Zhao
IPC: G06F3/045 , G06F3/041 , G02F1/1362 , G09G3/36 , G09G3/20
CPC classification number: G06F3/0418 , G02F1/13338 , G02F1/136209 , G06F3/041 , G06F3/0412 , G06F3/044 , G06F2203/04103 , G06F2203/04112 , G09G3/20 , G09G3/3655 , G09G2300/0426
Abstract: An in-cell touch panel and a display device implements touch function and display function by dividing a common electrode layer (110) connected with entire surface in the array substrate (100) to form a plurality of touch driving electrodes (111) and common electrodes (112); providing touch sensing electrodes (210) with a hollowed-out lattice structure over the common electrodes (112); and driving touch driving electrodes (111) in a time division manner. The in-cell touch panel can increase touch sensitivity and guarantee that touch sensing electrodes have small signal delays.
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