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公开(公告)号：US20240045530A1
公开(公告)日：2024-02-08
申请号：US17753637
申请日：2021-05-19
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Changzhi WU , Ying SUN , Yumin XU
IPC: G06F3/041
CPC classification number: G06F3/0412 , G06F3/04164
Abstract: The display panel includes at least one first touch area group and multiple touch wires; the at least one first touch area group includes two rows and N columns of touch electrodes; and each touch wire is electrically connected to a respective one touch electrode. The display panel further includes a first detection circuit and a second detection circuit; and each touch electrode is separately electrically connected to the first detection circuit and the second detection circuit by a respective one touch wire. The touch short-circuit detection stage includes a first detection stage. The detection method includes providing, at the first detection stage, a short-circuit detection signal for a touch electrode in the first touch electrode row by the first detection circuit; and determining, according to a short-circuit feedback signal generated by the second detection circuit, whether adjacent ones of the touch electrodes located in a same column are short-circuited.
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公开(公告)号：US20230112516A1
公开(公告)日：2023-04-13
申请号：US17052529
申请日：2019-11-18
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Zongjun ZOU , Ying SUN , Yumin XU
Abstract: The array substrate at least includes a plurality of electrode rows, a plurality of switch control lines and a plurality of switch units in a display area; each electrode row corresponds to at least one switch control line, each first electrode corresponds to one switch unit, and each switch unit includes at least one first switch; and in one of the electrode rows: the control terminal of at least one first switch in each switch unit in the one electrode row is connected to the same switch control line, the first poles of the first switches connected to the same switch control line are electrically connected to the first electrodes respectively, and the second poles of the first switches connected to the same switch control line are electrically connected to one another.
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公开(公告)号：US20220366837A1
公开(公告)日：2022-11-17
申请号：US17631472
申请日：2021-01-18
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Zongjun ZOU , Ying SUN , Yumin XU
Abstract: Provided are a display panel, a detection method thereof and a display device. A scan driving circuit, signal pins and a first gating circuit are disposed in the display panel. Signal pins include a detection signal pin and an enable signal pin. The scan driving circuit includes scan drive units disposed in a cascade manner. The first gating circuit includes a first switch unit and a second switch unit. An input terminal of the first switch unit is electrically connected to a scan signal detection terminal of an Nth-stage scan drive unit. An input terminal of the second switch unit is electrically connected to a scan signal detection terminal of a first-stage scan drive unit. An output terminal of the first switch unit and an output terminal of the second switch unit are both electrically connected to the detection signal pin. The first switch unit is configured to turn on in a forward scan detection stage and turn off in a backward scan detection stage. The second switch unit is configured to turn on in the backward scan detection stage and turn off in the backward scan detection stage.
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公开(公告)号：US20230097132A1
公开(公告)日：2023-03-30
申请号：US16979182
申请日：2019-11-18
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Shaowei YU , Ying SUN , Yumin XU
Abstract: Disclosed are an array substrate and a driving method, a display panel and a touch display device. The array substrate includes: electrode column groups each including M adjacent electrode columns; touch signal lines each including a first signal line and a second signal line electrically connected to each other; M common voltage lines, M first switch control lines and first switch device groups; and M second switch control lines, second switch device groups and touch signal terminal groups. Each second switch device group includes M sub-switch device groups, each of which includes N second switch devices, and each touch signal terminal group includes N touch signal terminals. N touch signal terminals in the same touch signal terminal group are respectively electrically connected to the second terminals of N second switch devices in any sub-switch device group in the same second switch device group in a one-to-one manner.
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公开(公告)号：US20220334440A1
公开(公告)日：2022-10-20
申请号：US17418130
申请日：2020-07-01
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Changzhi WU , Ying SUN , Yumin XU
IPC: G02F1/1362 , H01L27/32 , G09G3/3266 , G09G3/36
Abstract: 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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Patent Agency Ranking
公开(公告)号：US20170115543A1
公开(公告)日：2017-04-27
申请号：US15401705
申请日：2017-01-09
Inventor： Zongjun ZOU , Yanfang TANG , Ying SUN , Yumin XU
IPC: G02F1/1362 , G02F1/1333 , G02F1/1335 , G02F1/1368 , G02F1/1343
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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公开(公告)号：US20210200973A1
公开(公告)日：2021-07-01
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：US20190079625A1
公开(公告)日：2019-03-14
申请号：US16186578
申请日：2018-11-11
Applicant: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor： Yu WANG , Zhenqing XIE , Ying SUN , Bingping LIU , Yumin XU , Guozhao CHEN , Min HUANG
Abstract: An array substrate, a touch display panel and a touch display device are provided. In the array substrate, the number of inverters in a second buffer unit is smaller than the number of inverters in a first buffer unit, or a size of an inverter in the second buffer unit is smaller than a size of an inverter in the first buffer unit, or the number of inverters in the second buffer unit is smaller than the number of inverters in the first buffer unit and the size of the inverter in the second buffer unit is smaller than the size of the inverter in the first buffer unit.
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公开(公告)号：US20170147127A1
公开(公告)日：2017-05-25
申请号：US15183631
申请日：2016-06-15
Inventor： Ying SUN
IPC: G06F3/041 , G02F1/1335 , G11C19/28 , G02F1/1333
CPC classification number: G06F3/0416 , G02F1/13338 , G02F1/133514 , G06F3/0412 , G06F3/044 , G09G3/20 , G09G3/3677 , G09G2310/0286 , G09G2354/00 , G11C19/28 , G11C19/287
Abstract: The disclosure provides an array substrate, a touch display device and a driving method thereof. The array substrate includes a display region and a peripheral region. The display region includes a plurality of scan lines and the peripheral region comprises a gate electrode driving circuit and a touch driving circuit, the gate electrode driving circuit includes a plurality of stages of shift registers. Each of the plurality of stages of shift registers corresponds to and is electrically connected to one of the plurality of scan lines. The plurality of stages of shift registers are disposed at one side or two sides of the peripheral region. The shift registers disposed at at least one side of the peripheral region are divided into N groups of shift registers. The touch driving circuit includes N groups of touch selection outputting units corresponding to the N groups of shift registers.
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公开(公告)号：US20170115813A1
公开(公告)日：2017-04-27
申请号：US15397290
申请日：2017-01-03
Inventor： Zhonghuai CHEN , Ying SUN , Yumin XU XU , Poping SHEN
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044 , G06F2203/04105 , G06F2203/04111 , G06F2203/04112
Abstract: A display panel, a display device and a driving method are provided. The display panel comprises a touch control driving electrode array including a plurality of touch control driving electrodes; a touch control sensing electrode array including a plurality of touch control sensing electrodes; a force sensing electrode array disposed in a same layer as the touch control sensing electrode array; and at least one force sensing reference electrode. An orthogonal projection of a touch control sensing electrode onto the touch control driving electrode array is at least partially overlapped with the touch control driving electrodes. The force sensing electrode array includes a plurality of force sensing electrodes electrically insulated from the touch control sensing electrodes. An orthogonal projection of the at least one force sensing reference electrode onto the force sensing electrode array is at least partially overlapped with the force sensing electrodes.
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