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公开(公告)号：US20230085261A1
公开(公告)日：2023-03-16
申请号：US17991383
申请日：2022-11-21
发明人： Shuai CHEN , Xiuzhu TANG , Hailong WU , Jianfeng YUAN , Zhi ZHANG , Xuebo LIANG , Qian WANG , Qiyuan WEI , Qi LI
摘要： The present disclosure provides a shift register, a drive method thereof, and a gate drive circuit. The shift register includes an input circuit, a reset circuit, a first output circuit, and a second output circuit. The input circuit is configured to provide an input signal from an input terminal to a first node. The reset circuit is configured to provide a first voltage from a first voltage terminal to the first node under the control of a reset signal from a reset signal terminal. The first output circuit is configured to output from a first output terminal one of a first clock signal and a second clock signal as a first scan signal. The second output circuit is configured to output from a second output terminal the other of the first clock signal and the second clock signal as a second scan signal.
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公开(公告)号：US20210233469A1
公开(公告)日：2021-07-29
申请号：US17053589
申请日：2020-04-08
发明人： Shuai CHEN , Xiuzhu TANG , Jianfeng YUAN , Hailong WU , Xing DONG , Zhenguo TIAN , Lijun XIONG , Xuebo LIANG , Xiaoke ZHOU , Jinjin CHEN , Tongguo MA
IPC分类号： G09G3/3233
摘要： Provided are a pixel driving circuit, a pixel driving method and a display panel. The pixel driving circuit includes: a driving circuit, a light emitting circuit, a storage circuit, a reset circuit, a light emitting control circuit and a writing compensation circuit; a first electrode of the storage circuit is coupled to a first node, a second electrode of the storage circuit is coupled to a second node; the reset circuit adjusts voltages of the first node and the second node; the writing compensation circuit writes a data signal of a data line terminal and a compensation data into the driving circuit through an adjustment of the storage circuit; the light emitting control circuit writes a display current, a magnitude of which is related only to the data signal and a voltage of the first voltage terminal, to the light emitting circuit by controlling the driving circuit.
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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：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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公开(公告)号：US20210256930A1
公开(公告)日：2021-08-19
申请号：US16647671
申请日：2019-04-01
发明人： Shuai CHEN , Xiuzhu TANG , Zhi ZHANG , Xuebo LIANG , Lijun XIONG , Qiyuan WEI , Qi LI , Meiling TAN , Jinjin CHEN , Huan WANG
摘要： The present disclosure provides a gate drive circuit, an array substrate, and a display device. The gate drive circuit includes cascaded shift registers, control circuits, level shifters, voltage stabilization circuits, and first exchanging circuits. The shift registers at respective stages output respective first signals. Each control circuit is configured to process the respective first signal to generate a respective second signal. Each level shifter is configured to convert the voltage level of the respective second signal to generate a respective third signal. Each voltage stabilization circuit is configured to stabilize the respective third signal. The stabilized third signal is outputted as a fourth signal. The first exchanging circuit is configured to enable any of the following: exchanging the first signals at two adjacent stages, exchanging the second signals at two adjacent stages, exchanging the third signals at two adjacent stages, and exchanging the fourth signals at two adjacent stages.
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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：US20210217374A1
公开(公告)日：2021-07-15
申请号：US16645721
申请日：2019-03-01
发明人： Shuai CHEN , Xiuzhu TANG , Hailong WU , Jianfeng YUAN , Zhi ZHANG , Xuebo LIANG , Qian WANG , Qiyuan WEI , Qi LI
摘要： The present disclosure provides a shift register, a drive method thereof, and a gate drive circuit. The shift register includes an input circuit, a reset circuit, a first output circuit, and a second output circuit. The input circuit is configured to provide an input signal from an input terminal to a first node. The reset circuit is configured to provide a first voltage from a first voltage terminal to the first node under the control of a reset signal from a reset signal terminal. The first output circuit is configured to output from a first output terminal one of a first clock signal and a second clock signal as a first scan signal. The second output circuit is configured to output from a second output terminal the other of the first clock signal and the second clock signal as a second scan signal.
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公开(公告)号：US20200242990A1
公开(公告)日：2020-07-30
申请号：US16659606
申请日：2019-10-22
发明人： Yanfei REN , Jingpeng ZHAO , Panpan LI , Xuebo LIANG , Ting YANG , Weixing SHAN , Xiuzhu TANG
IPC分类号： G09G3/20
摘要： A power circuit of a display panel and a display panel. The power circuit comprises a sensing circuit and a voltage output circuit. The sensing circuit is configured to provide a sensing signal indicative of a type of an image to be displayed by the display panel. The voltage output circuit is electrically connected to common electrodes of the display panel and configured to receive the sensing signal and change potentials of some of the common electrodes in response to a change in the sensing 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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