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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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公开(公告)号：US10747363B2
公开(公告)日：2020-08-18
申请号：US15162619
申请日：2016-05-24
Inventor： Zhipeng Huang , Zhiwei Zheng , Kangpeng Yang , Lingzhi Su , Yumin Xu
Abstract: A touch display panel is provided with a display area and a non-display area surrounding the display area. It includes an array substrate and a color film substrate arranged opposite to each other. The array substrate includes, in the display area, multiple first touch electrodes extending along a first direction and arranged in sequence along a second direction. The color film substrate includes, in the display area, multiple second touch electrodes extending along the second direction and arranged in sequence along the first direction. A ratio of a coupling capacitance in a direction perpendicular to the array substrate between the first touch electrodes and the second touch electrodes positioned in the display area close to the non-display area to that between the first touch electrodes and the second touch electrodes positioned in the display area far from the non-display area falls in between 0.9 and 1.1.
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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
Applicant: Xiamen Tianma Micro-electronics Co., Ltd.
Inventor： Sijian Luo , Yin Sun , Yumin Xu
Abstract: 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
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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Patent Agency Ranking
公开(公告)号：US10417954B2
公开(公告)日：2019-09-17
申请号：US15665342
申请日：2017-07-31
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Kangpeng Yang , Yumin Xu , Chao Zheng , Shaofan Liu , Xiaomeng Chen
IPC: G09G3/3266 , G09G3/20 , G09G3/36
Abstract: 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：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：US10324551B2
公开(公告)日：2019-06-18
申请号：US15139436
申请日：2016-04-27
Inventor： Chaohuang Pan , Poping Shen , Zhonghuai Chen , Sichao Ke , Yumin Xu , Zhijian Zhang , Ting Zhou , Jiaqi Kang , Yingzhang Qiu , Shaoting Lin , Yuping Ma
IPC: G06F3/041 , F21V8/00 , G02F1/1333 , G06F3/044 , H05K1/14 , G02F1/1343
Abstract: A touch-control display device includes a driving module, a display panel having a first force touch-control component and a self-capacitance type touch control-electrode, and a backlight module disposed with the display panel and having a second force touch-control component, with a variable gap formed between the first force touch-control component and the second force touch-control component. The first touch-control component comprises a plurality of first electrodes arranged in a matrix. The second force touch-control component is an electrical conductive layer. The self-capacitance type touch-control electrode comprises a plurality of second electrodes arranged in a matrix.
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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
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Linyan Guan , Kangpeng Yang , Yumin Xu , Junyi Li
IPC: G02F1/1333 , G06F3/041 , G09G3/36
Abstract: 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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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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