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公开(公告)号：US20210366432A1
公开(公告)日：2021-11-25
申请号：US16499728
申请日：2019-03-29
发明人： Tae Yup MIN , Zhi ZHANG , Xiuzhu TANG , Shuai CHEN , Taoliang TANG , Zhenguo TIAN , Xuebo LIANG , Shuang HU , Lijun XIONG , Xing DONG
摘要： A signal adjusting device and method, and a test equipment. The signal adjusting device includes: a level controller, a level circuit, a comparison circuit and a selecting circuit. The level circuit is electrically connected with the selecting circuit; the level controller is configured to perform a level adjustment to a first signal, so as to generate a level signal, and the generated level signal is outputted by the level circuit; the comparison circuit is configured to: determine that the level signal meets a preset condition, and generate and output a corresponding feedback signal to the selecting circuit, in response to determining that the level signal satisfies the preset condition; and the selecting circuit is configured to output, as an adjusted signal, the level signal corresponding to the feedback signal.
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公开(公告)号：US20190311690A1
公开(公告)日：2019-10-10
申请号：US16374558
申请日：2019-04-03
发明人： Shuai CHEN , Xing DONG , Zhenguo TIAN , Xuebo LIANG , Lijun XIONG , Xiuzhu TANG , Shuang HU
摘要： A GOA circuit includes a plurality of GOA units. First input terminals of a first-level GOA unit to a (N/2)th-level GOA unit are coupled to a first signal terminal, and a first input terminal of any one of other GOA units is coupled to an output terminal of a (N/2)th-level GOA unit located in front of the any one of other GOA units. Second input terminals of a last-level GOA unit to a (N/2)th last-level GOA unit are coupled to a second signal terminal, and a second input terminal of any one of other GOA units is coupled to an output terminal of a (N/2)th-level GOA unit located behind the any one of other GOA units. N is the number of clock signals in one clock period. N/2 cascaded GOA units of the GOA circuit are included in a pull-up node potential holding unit, and output terminals of the N/2 cascaded GOA units are not coupled to gate lines.
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公开(公告)号：US20210225226A1
公开(公告)日：2021-07-22
申请号：US16082071
申请日：2018-01-24
发明人： Shuai CHEN , Zhi ZHANG , Xiuzhu TANG , Heecheol KIM , Xing DONG , Zhenguo TIAN , Shuang HU , Taoliang TANG , Jingpeng ZHAO
IPC分类号： G09G3/20
摘要： A scan driving circuit and a driving method thereof, and a display device are disclosed. The scan driving circuit includes: a control circuit, a scanning circuit group and a first processing circuit group. The control circuit is configured to generate and output a keyword signal to the first processing circuit group, to control a scan order of respective scanning circuits in the scanning circuit group; the first processing circuit group is configured to generate a scan enable signal according to the keyword signal, and output the scan enable signal to a scanning circuit corresponding to the keyword signal in the scanning circuit group.
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公开(公告)号：US20220253192A1
公开(公告)日：2022-08-11
申请号：US17434956
申请日：2020-11-26
发明人： Shuang HU , Jingpeng ZHAO , Yajie BAI , Taoliang TANG , Wentao ZHU , Hongxin PAN , Xing DONG , Rui LIU
IPC分类号： G06F3/041
摘要： Provided are a driving method, a gate drive unit and a display touch device. The driving method is applied to the gate drive unit in the display touch device. The gate drive unit includes at least one pull-down circuit. The pull-down circuit is coupled with a pull-up node and a pull-down voltage terminal, and is configured to control connection or disconnection between the pull-up node and the pull-down voltage terminal; one frame of image display time includes a display phase and a touch phase that are alternately set, and at least one of the touch phase is set between two adjacent display phases. The driving method includes: during the touch phase, controlling, by the at least one pull-down circuit, the disconnection between the pull-up node and the pull-down voltage terminal. The problem of a screen flashing phenomenon of existing display touch devices during the touch phase is solved.
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公开(公告)号：US20210026515A1
公开(公告)日：2021-01-28
申请号：US17044144
申请日：2020-01-03
发明人： Zhenguo TIAN , Shuai CHEN , Shuang HU , Xiuzhu TANG , Hailong WU
摘要： The present disclosure provides a touch control display panel, a driving method thereof and a touch control display device. The touch control display panel includes a plurality of gate lines on a base substrate, a plurality of touch control lines above the plurality of gate lines and opposite to the plurality of gate lines, and a driving circuit, wherein the plurality of gate lines and the plurality of touch control lines extend along a same direction, and the driving circuit includes a timing controller, a control unit and a touch control driving unit. The timing controller is configured to output a gate driving signal to the control unit. The control unit is configured to generate touch control synchronization signal(s) according to the gate driving signal and output the touch control synchronization signal(s) to the touch control driving unit.
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公开(公告)号：US20200082747A1
公开(公告)日：2020-03-12
申请号：US16610999
申请日：2018-11-05
发明人： Zhenguo TIAN , Shuang HU , Lijun XIONG , Shuai CHEN , Taoliang TANG , Xing DONG , Xuebo LIANG , Zhi ZHANG
摘要： A display driving circuit includes a control sub-circuit and a gate drive sub-circuit connected to the control sub-circuit. The control sub-circuit is configured to: receive an effective display data enable signal; determine whether the effective display data enable signal is lost; and control each stage of shift register in the gate drive sub-circuit to output a disabling signal via an output terminal of the shift register in response to determining that the effective display data enable signal is lost.
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公开(公告)号：US20190355433A1
公开(公告)日：2019-11-21
申请号：US16482870
申请日：2018-11-15
发明人： Xuebo LIANG , Zhi ZHANG , Xiuzhu TANG , Shuai CHEN , Jingpeng ZHAO , Xing DONG , Qian QIAN , Taoliang TANG , Lijun XIONG , Zhenguo TIAN , Shuang HU , Hui LI
摘要： A shift register unit, a gate drive circuit, a display device and a driving method are disclosed. A shift register unit includes an input circuit, a first node reset circuit, an output circuit and a touch noise reduction circuit. The input circuit is configured to control a level of a first node in response to an input signal; the first node reset circuit is configured to reset the first node in response to a reset signal; the output circuit is configured to output a driving signal to an output terminal under control of the level of the first node; and the touch noise reduction circuit is configured to reset the first node in response to a touch start signal.
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公开(公告)号：US20210358404A1
公开(公告)日：2021-11-18
申请号：US16332449
申请日：2018-09-11
发明人： Shuang HU , Tae Yup MIN , Zhi ZHANG , Shuai CHEN , Qian QIAN , Xiuzhu TANG , Zhenguo TIAN , Jingpeng ZHAO , Xing DONG , Taoliang TANG , Lijun XIONG
IPC分类号： G09G3/3233 , G09G3/3266 , G09G3/3275
摘要： A pixel driving circuit and a pixel driving method and a display device are provided. The pixel driving circuit includes a first switching element, a second switching element, a first compensation element, a second compensation element, a driving transistor, a capacitor, and a third switching element.
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公开(公告)号：US20210335301A1
公开(公告)日：2021-10-28
申请号：US16473858
申请日：2018-10-18
发明人： Xuebo LIANG , Zhi ZHANG , Xiuzhu TANG , Jingpeng ZHAO , Shuai CHEN , Xing DONG , Qian QIAN , Taoliang TANG , Lijun XIONG , Zhenguo TIAN , Shuang HU , Jian YANG
摘要： A gate drive circuit, a touch display device and a driving method are provided. The gate drive circuit includes a plurality of cascaded shift register units and a voltage stabilization circuit. Each of the plurality of cascaded shift register units includes a touch scanning control terminal; and the voltage stabilization circuit is connected to a first shift register unit and at least one second shift register unit after the first shift register unit, of the plurality of cascaded shift register units, and configured to compensate a level of a first node of the group of second shift register units in response to the touch scanning control signal.
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10.发明申请公开(公告)号：US20200294752A1
公开(公告)日：2020-09-17
申请号：US16759641
申请日：2019-09-25
发明人： Shicheng SUN , Shuang HU , Peirong HUO , Jianfei TIAN , Zhiqiang WANG
摘要： The present disclosure provides a display panel including at least one pixel region located in a display area, each pixel region includes: at least one first pixel including at least one display light-emitting sub-pixel and at least one near-infrared light-emitting sub-pixel, wherein the near-infrared light-emitting sub-pixel is configured to emit near-infrared light; and at least one second pixel including at least one display light-emitting sub-pixel and at least one near-infrared receiving sub-pixel, wherein the near-infrared receiving sub-pixel is configured to receive near-infrared light reflected from an external object and generate a measurement signal responsive to the external object. The present disclosure also provides a display device including the display panel, and a method for determining the position of an external object by the display device.
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