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公开(公告)号：US12026332B2
公开(公告)日：2024-07-02
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：US11809656B2
公开(公告)日：2023-11-07
申请号：US17052529
申请日：2019-11-18
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Zongjun Zou , Ying Sun , Yumin Xu
CPC classification number: G06F3/04164 , G06F3/0412 , G06F3/0446 , H01L27/124
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：US11308855B2
公开(公告)日：2022-04-19
申请号：US16959154
申请日：2019-08-28
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Meng Lai , Lifeng Lu , Zhilong Zhuang , Jiancai Huang , Yumin Xu
Abstract: Provided are a display driving method, a display panel and a display device. The display driving method includes acquiring a to-be-displayed image; the to-be-displayed image is displayed by display pixels, and a vertical projection of each touch electrode on a plane in which the display pixels are located covers a plurality of display pixels; determining whether an area in which touch electrodes are located is in a display dark area according to the to-be-displayed image; and in response to determining that the area in which the touch electrodes are located is in the display dark area, stopping providing a touch driving signal for at least part of the touch electrodes disposed in the display dark area.
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公开(公告)号：US11042238B1
公开(公告)日：2021-06-22
申请号：US16823858
申请日：2020-03-19
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd
Inventor： Tingting Zhang , Changzhi Wu , Ying Sun , Yumin Xu
Abstract: A display panel, having a display area where display units, touch electrodes, and fingerprint identification units are arranged, and a non-display area including first to third bonding areas, the second and third bonding areas being located on two sides of the first bonding area, respectively. First pads, second pads, and third pads are arranged in the bonding areas, and the number of the first pads is greater than the number of the third pads, and the number of the second pads is greater than the number of the third pads. One or more first pads, one or more second pads, and one or more third pads are arranged in the first bonding area alternately. Each of the second bonding area and the third bonding area is provided with one or more first pads and one or more second pads. A display device includes the display panel.
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公开(公告)号：US10365754B2
公开(公告)日：2019-07-30
申请号：US15397290
申请日：2017-01-03
Inventor： Zhonghuai Chen , Ying Sun , Yumin Xu , Poping Shen
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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Patent Agency Ranking
公开(公告)号：US10289246B2
公开(公告)日：2019-05-14
申请号：US15358884
申请日：2016-11-22
Inventor： Zhilong Zhuang , Jiancai Huang , Yumin Xu
Abstract: The present disclosure provides an integrated touch-control display panel and a touch-control display device. The integrated touch-control display panel includes a first substrate and a second substrate arranged opposite to the first substrate. The first substrate and the second substrate each includes a display region and a non-display region surrounding the display region. In the display region, a plurality of touch-control driving electrodes extending along the first direction and sequentially arranged along the second direction are disposed on the first substrate, and a plurality of touch-control sensing electrodes extending along the second direction and sequentially arranged along the first direction are disposed on the second substrate. The first direction is perpendicular to the second direction. A shielding structure is disposed between two adjacent touch-control driving electrodes. The shielding structure includes a plurality of first shielding electrodes extending along the first direction and arranged along the second direction.
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公开(公告)号：US10275057B2
公开(公告)日：2019-04-30
申请号：US15162624
申请日：2016-05-24
Inventor： Chao Zheng , Min Huang , Zhonghuai Chen , Kangpeng Yang , Yumin Xu
Abstract: The present disclosure provides an array substrate, a display panel and a method for detecting and restoring a display panel. The detection and restoring unit is configured to provide signals to the touch sensing units to perform detection and restoring. In the display region, each of the touch sensing units is provided with one first line and one second line, and the first line is connected with the touch sensing unit through a via hole. The first terminal of the first switch element is connected with a first terminal of the first line. The second terminal of the first switch element is connected with a first terminal of the second line. Each of the first terminal of the first line, the first terminal of the second line and the control terminal of the first switch element is connected with the detection and restoring unit.
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公开(公告)号：US10185435B2
公开(公告)日：2019-01-22
申请号：US15374399
申请日：2016-12-09
Inventor： Biyun Tang , Jiancai Huang , Yumin Xu
Abstract: A touch control display panel and a display device are provided. The touch control display panel may comprise a first touch control electrode array and a second touch control electrode array. The first touch control electrode array may include a plurality of first touch control electrodes arranged in a first direction; and the second touch control electrode array may include a plurality of second touch control electrodes arranged in a second direction different from the first direction. An orthogonal projection of a second touch control electrode onto the first touch control electrode array is at least partially overlapped with a first touch control electrode. At least one second touch control electrode is a mesh electrode including a plurality of grids, and a grid has a grid line width of d, where d≤5 μm.
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公开(公告)号：US10133398B2
公开(公告)日：2018-11-20
申请号：US15159767
申请日：2016-05-19
IPC: G06F3/041 , G09G3/36 , G02F1/1333 , G02F1/1362 , G02F1/1343 , G02F1/1368 , G02F1/1335 , G06F3/044
Abstract: An array substrate, a touch display device and a driving method thereof are provided by the present disclosure. The array substrate includes a gate driving circuit and a touch driving circuit provided in a non-display area. The touch driving circuit includes multiple groups of touch selective output modules. Every group of touch selective output module includes two strobe signal input terminals for which the strobe signals are provided by secondary trigger signal output terminals of two adjacent shift registers in the gate driving circuit.
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公开(公告)号：US20180260065A1
公开(公告)日：2018-09-13
申请号：US15973535
申请日：2018-05-08
Applicant: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
CPC classification number: G06F3/0414 , G06F3/0412 , G06F3/0416 , G06F3/047 , G06F2203/04105 , G09G3/20
Abstract: Provided are a display panel, a display device, and a display panel control method. The display panel includes a display area and a non-display area. The non-display area includes a first area and a second area, and at least one first force-sensing sensor is provided in the first area and/or the second area. A plurality of touch electrodes and a plurality of touch signal lines respectively electrically connected to each of the touch electrodes are provided in the display area, and the touch signal lines include at least one multiplexed signal line respectively corresponding to each of the at least one first force-sensing sensor. The display area further includes at least one transverse connecting line. The display panel further includes at least one switch device, each of which and a corresponding transverse connecting line are connected in series between a corresponding first force-sensing sensor and a corresponding multiplexed signal line.
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