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公开(公告)号：US11768413B2
公开(公告)日：2023-09-26
申请号：US17418130
申请日：2020-07-01
发明人： Changzhi Wu , Ying Sun , Yumin Xu
IPC分类号： G02F1/1362 , G09G3/3266 , G09G3/36 , H10K59/131 , H10K59/35
CPC分类号： G02F1/136286 , G09G3/3266 , G09G3/3677 , H10K59/131 , H10K59/353 , G09G2310/0286
摘要： Provided are an array substrate, a display panel, a display device, and a driving method. The array substrate includes a plurality of pixel circuit rows arranged in sequence in a column direction, where each pixel circuit row includes a plurality of pixel circuits arranged in a row direction; and a plurality of scan line groups arranged in sequence in the column direction, where the scan line groups are in one-to-one correspondence with the pixel circuit rows. The each pixel circuit row includes a plurality of pixel circuit groups. Each scan line group includes a plurality of scan lines. Each scan line extends in the row direction. The pixel circuit groups are in one-to-one correspondence with the scan lines in a scan line group corresponding to the pixel circuit groups.
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公开(公告)号：US11763772B2
公开(公告)日：2023-09-19
申请号：US17621700
申请日：2021-01-28
发明人： Zongjun Zou , Ying Sun , Yumin Xu
IPC分类号： G09G5/00
CPC分类号： G09G5/006 , G09G2310/0286 , G09G2310/08 , G09G2330/06
摘要： Provided are a display panel and a display device. The display panel includes a gate drive circuit, a plurality of impedance regulation circuits and a control module. The gate drive circuit includes a plurality of cascaded first shift registers. The plurality of cascaded first shift registers are electrically connected to a plurality of scanning lines in one to one correspondence; and the plurality of impedance regulation circuits are in one-to-one correspondence with the plurality of scanning lines. Each of the plurality of impedance regulation circuits is in series connection between a first shift register corresponding to the each of the plurality of impedance regulation circuits and a scanning line corresponding to the each of the plurality of impedance regulation circuits. The each of the plurality of impedance regulation circuits includes at least one transistor.
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公开(公告)号：US11705035B2
公开(公告)日：2023-07-18
申请号：US17256631
申请日：2020-02-12
发明人： Huiying Chen , Changzhi Wu , Ying Sun , Yumin Xu
IPC分类号： G09G3/20 , G09G3/36 , G09G3/3266 , G11C19/28 , G02F1/1362 , H10K59/131
CPC分类号： G09G3/20 , G02F1/136286 , G09G3/3266 , G09G3/3648 , G09G3/3674 , G09G3/3677 , G09G2230/00 , G09G2300/0408 , G09G2310/0267 , G09G2310/0283 , G09G2310/0286 , G09G2310/0291 , G09G2330/06 , G09G2380/10 , G11C19/28 , H10K59/131
摘要： Provided are a display panel and a display device. The display panel includes multiple cascaded gate drive units. Each gate drive unit includes a shift register unit and an inverted unit. The inverted unit is electrically connected to the shift register unit. A scan output terminal of the shift register unit is electrically connected to one scan line. An inverted scan output terminal of the inverted unit is electrically connected to one inverted scan line. The scan output terminal of the shift register unit outputs a first effective pulse signal. The inverted scan output terminal of the inverted unit outputs a second effective pulse signal. A time period corresponding to the first effective pulse signal at least partially overlaps a time period corresponding to the second effective pulse signal, and the type of the first effective pulse signal is opposite to the type of the second effective pulse signal.
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公开(公告)号：US11100304B2
公开(公告)日：2021-08-24
申请号：US15930997
申请日：2020-05-13
摘要： Display panel, driving method, and display device are provided. The display panel includes first signal output lines, first signal input lines, fingerprint recognition units arranged in an array, touch-control electrodes arranged in an array, and a driving circuit. One touch-control electrode corresponds to at least two fingerprint recognition units, and is electrically connected to at least one first signal input line. One fingerprint recognition unit includes a photodiode, a first electrode, and a switch module. A first terminal of the photodiode is electrically connected to the switch module, a second terminal of the photodiode is electrically connected to a corresponding touch-control electrode, the switch module is electrically connected to a corresponding first signal output line, and the first electrode is electrically connected to the first terminal of the photodiode. The first signal output lines and the first signal input lines are electrically connected to the driving circuit.
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公开(公告)号：US11055507B2
公开(公告)日：2021-07-06
申请号：US16458874
申请日：2019-07-01
发明人： Zongjun Zou , Ying Sun , Yumin Xu
摘要： Display device and its driving method are provided. The display device includes pixels and optical sensors in a display area. The driving method includes detecting a touch control operation in the display area to determine a touch control area where the touch control operation is conducted and performing N fingerprint identification operations. Each fingerprint identification operation includes configuring a portion of pixels in the touch control area as bright pixels and a remain portion of the pixels in the touch control area as black pixels; and processing electrical signals from the plurality of optical sensors to retrieve fingerprint information where the plurality of optical sensors receives light signals and converts the light signals to the electrical signals. Each of the pixels in the touch control area is configured as bright pixels in at least one of the N fingerprint identification operations.
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公开(公告)号：US10770162B2
公开(公告)日：2020-09-08
申请号：US16036072
申请日：2018-07-16
发明人： Zongjun Zou , Ying Sun , Yumin Xu
摘要： A shift register, a driving circuit and a display device are provided. The shift register comprises an output circuit, a node control circuit, and a first node charging circuit. The output circuit provides a signal at a first clock signal terminal or a signal at a first reference voltage terminal to a gate signal output terminal under a control of a signal at a first node or a control of a signal at a second node. The node control circuit controls levels of the signal at the first node and at the second node to be opposite. The first node charging circuit includes a first control terminal, and provides a signal at a first fixed voltage terminal to the first node under a control of a signal at the first control terminal during a charging period of the first node in a non-scanning period.
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公开(公告)号：US10691253B2
公开(公告)日：2020-06-23
申请号：US16197720
申请日：2018-11-21
发明人： Sijian Luo , Yin Sun , Yumin Xu
摘要： Touch-control screen, driving method thereof, and touch-control apparatus are provided. The touch-control screen includes a touch-control area and a driving unit. The touch-control area includes a main touch-control area and an auxiliary touch-control area smaller than the main touch-control area. The touch-control area further includes a plurality of touch-control electrodes, having a plurality of first touch-control electrodes in the main touch-control area and a plurality of second touch-control electrodes in the auxiliary touch-control area. In a touch-control stage, the driving unit is configured to transmit electrical signals respectively to the plurality of first touch-control electrodes in the main touch-control area and to the plurality of second touch-control electrodes in the auxiliary touch-control area. A unit power consumption of the plurality of second touch-control electrodes in the auxiliary touch-control area is smaller than a unit power consumption of the plurality of first touch-control electrodes in the main touch-control area.
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公开(公告)号：US20200005701A1
公开(公告)日：2020-01-02
申请号：US16177979
申请日：2018-11-01
发明人： Zhonghuai Chen , Zhiwei Zheng , Zhipeng Huang , Ying Sun , Yumin Xu
摘要： Provided are a display panel and display device. The display panel includes a display area and a non-display area. The display panel further includes multiple cascaded shift registers disposed in the non-display area and multiple scanning lines disposed in the display area. Each shift register is connected to a corresponding scanning line. The shift registers include multiple first shift registers and multiple second shift registers. The first shift registers are capable of unidirectional scanning, and the second shift registers are capable of bidirectional scanning. The display area includes a first display area and a second display area. Each of scanning lines in the first display area are connected to a respective one of the plurality of first shift registers, and each of the at least part of the scanning lines in the second display area are connected to the second shift registers.
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公开(公告)号：US10417954B2
公开(公告)日：2019-09-17
申请号：US15665342
申请日：2017-07-31
发明人： Kangpeng Yang , Yumin Xu , Chao Zheng , Shaofan Liu , Xiaomeng Chen
IPC分类号： G09G3/3266 , G09G3/20 , G09G3/36
摘要： Provided is a display panel, including a plurality of gate lines extending in a row direction and arranged in a column direction; a plurality of data lines extending in a column direction and arranged in a row direction; a plurality of pixel units arranged in an array of M rows by N columns defined by the plurality of gate lines and the plurality of data lines intersecting each other; a first gate driver connected to pixel units from a first row to a mth row; and a second gate driver connected to pixel units from a (m+1)th row to a Mth row, where pixel units from the first row to the mth row of the nth column are connected to an integrated circuit through one of the plurality of data lines and pixel units from the (m+1)th row to the Mth row of the nth column are connected to the integrated circuit through another one of the plurality of data lines, where M, N, m and n are positive integers satisfying the following conditions: 1
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公开(公告)号：US10295856B2
公开(公告)日：2019-05-21
申请号：US15865438
申请日：2018-01-09
发明人： Linyan Guan , Kangpeng Yang , Yumin Xu , Junyi Li
IPC分类号： G02F1/1333 , G06F3/041 , G09G3/36
摘要： A display panel and a display device, the display panel includes a thin film transistor arranged in a display area of the display panel, the thin film transistor including an active layer; a metal layer; a plurality of force sensors disposed in the same layer as the active layer or the metal layer, each force sensor including a first bridge arm, a second bridge arm, a third bridge arm, and a fourth bridge arm connected end-to-end in sequence; a plurality of regulation resistors one-to-one corresponding to each force sensor, a first end of the regulation resistor being connected with a voltage regulation end, a second end of the regulation resistor being connected with a regulation bridge arm of the force sensor corresponding to the force sensor, the regulation bridge arm being any one of the first bridge arm, second bridge arm, third bridge arm and fourth bridge arm.
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