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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
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Zongjun Zou , Ying Sun , Yumin Xu
IPC: G09G5/00
CPC classification number: G09G5/006 , G09G2310/0286 , G09G2310/08 , G09G2330/06
Abstract: 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
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Huiying Chen , Changzhi Wu , Ying Sun , Yumin Xu
IPC: G09G3/20 , G09G3/36 , G09G3/3266 , G11C19/28 , G02F1/1362 , H10K59/131
CPC classification number: 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
Abstract: 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
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Abstract: 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
Applicant: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor： Zongjun Zou , Ying Sun , Yumin Xu
Abstract: 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
Applicant: Xiamen Tianma Micro-electronics Co., Ltd.
Inventor： Zongjun Zou , Ying Sun , Yumin Xu
Abstract: 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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Patent Agency Ranking
公开(公告)号：US20200005701A1
公开(公告)日：2020-01-02
申请号：US16177979
申请日：2018-11-01
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Zhonghuai Chen , Zhiwei Zheng , Zhipeng Huang , Ying Sun , Yumin Xu
Abstract: 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：US10338738B2
公开(公告)日：2019-07-02
申请号：US15242898
申请日：2016-08-22
Abstract: The present disclosure provides a touch display device and a method for driving the touch display device. The touch display device includes an array substrate and a color film substrate arranged opposite to the array substrate; a touch electrode array disposed on the array substrate, and a plurality of touch sensing electrodes arranged along a first direction and disposed on the color film substrate. The touch electrode array includes M×N touch electrodes. The touch electrodes are insulated from each other. The touch sensing electrodes extend along a second direction perpendicular to the first direction, and the touch sensing electrodes are insulated from each other. An orthographic projection of each of the touch electrodes to a plane where the touch sensing electrodes are located at least partially overlaps with one of the touch sensing electrodes.
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公开(公告)号：US10275099B2
公开(公告)日：2019-04-30
申请号：US15209558
申请日：2016-07-13
Inventor： Ying Sun , Yanfang Tang , Yumin Xu
Abstract: A touch control device, a driving method of a touch control device, a touch display device, and a driving method of a touch control device are provided. The touch control device comprises a first electrode layer and a second electrode layer. The first electrode and the second electrode layer are electrically insulated from each other. The first electrode layer includes a plurality of mutually insulated first electrodes arranged in an array. The second electrode layer is disposed on a different layer other than the first electrode layer, and includes at least one second electrode. The first electrode is configured to detect a touch position in a first touch control time period, and the first electrode and the second electrode are configured to detect a touch force in a second touch control time period.
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公开(公告)号：US09971218B2
公开(公告)日：2018-05-15
申请号：US15401705
申请日：2017-01-09
Inventor： Zongjun Zou , Yanfang Tang , Ying Sun , Yumin Xu
IPC: G02F1/13 , G02F1/1362 , G02F1/1333 , G02F1/1335 , G02F1/1343 , G02F1/1368 , G09G3/36 , G02F1/1345
CPC classification number: G02F1/136286 , G02F1/133345 , G02F1/133514 , G02F1/134336 , G02F1/134363 , G02F1/13454 , G02F1/1368 , G02F2001/134381 , G02F2001/13456 , G02F2201/121 , G02F2201/123 , G09G3/3648 , G09G2300/0426 , G09G2310/0281
Abstract: A display device, a display panel, an array substrate and a driving method thereof are provided. The array substrate includes a plurality of pixel units arranged in an array, m number of gate electrode lines extending along a first direction, a plurality of data lines and m number of lead wires extending along a second direction. The plurality of pixel units are arranged in pixel columns along the second direction and m number of pixel rows along the first direction. Each pixel column is disposed between two adjacent data lines. Pixel units in an ith pixel row are connected to an ith gate electrode line, and the ith gate electrode line is connected to an ith lead wire, where i is a positive integer and 1≤i≤m. The pixel units in the ith pixel row are connected to different data lines far away from the ith lead wire, respectively.
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30.发明申请ARRAY SUBSTRATE, METHOD FOR DRIVING THE ARRAY SUBSTRATE, DISPLAY PANEL AND DISPLAY DEVICE 有权阵列基板，驱动阵列基板，显示面板和显示装置的方法公开(公告)号：US20170075487A1
公开(公告)日：2017-03-16
申请号：US15359454
申请日：2016-11-22
Inventor： Min Huang , Ying Sun , Yumin Xu , Chaohuang Pan
IPC: G06F3/041 , G02F1/1368 , G02F1/1335 , G06F3/044 , G02F1/1333
CPC classification number: G06F3/0416 , G02F1/13338 , G02F1/136286 , G06F1/3262 , G06F3/0412 , G06F3/044
Abstract: An array substrate, a method are provided for driving the array substrate, a display panel, and a display device. The array substrate includes a plurality of data lines, a plurality of touch electrodes, and a touch driving circuit, wherein the plurality of data lines are divided into a plurality of data line groups, and each of the data line groups corresponds respectively to one of the respective touch electrodes; the touch driving circuit includes a common signal line, a first switch unit, and a second switch unit. The first switch unit and the second switch unit are electrically connected with the touch electrodes. When the data line groups are electrically connected with the touch electrodes, at least one data line in each of the data line groups is provided with a touch detecting signal.
Abstract translation: 阵列基板，提供驱动阵列基板的方法，显示面板和显示装置。 阵列基板包括多条数据线，多条触摸电极和触摸驱动电路，其中多条数据线分成多条数据线组，每条数据线组分别对应于 各个触摸电极; 触摸驱动电路包括公共信号线，第一开关单元和第二开关单元。 第一开关单元和第二开关单元与触摸电极电连接。 当数据线组与触摸电极电连接时，每个数据线组中的至少一条数据线具有触摸检测信号。
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