Patents by Inventor Xianxiang Zhang

Xianxiang Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10712846
    Abstract: A touch display panel is disclosed. The touch display panel includes first touch electrodes and second touch sub-electrodes. The first touch electrodes are insulated from and intersect with the second touch sub-electrodes. At least two of the first touch electrodes are connected as at least one first touch electrode group, where each first touch electrode group is connected with a touch drive detection unit through a wire. In addition, second touch sub-electrodes corresponding to each of the first touch electrode groups form a second touch electrode group. Each second touch electrode group includes second touch electrode units, each including at least two second touch sub-electrodes. Each of the second touch sub-electrodes is connected with the touch drive detection unit through a different wire. Additionally, the touch drive detection unit transmits a touch drive signal to or receives a detection signal from the first touch electrodes or the second touch sub-electrodes.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: July 14, 2020
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Lihua Wang, Xingyao Zhou, Xianxiang Zhang, Yingying Xu, Xiaoye Li, Gang Liu
  • Patent number: 10338709
    Abstract: The present invention discloses a touch display device and an electronic apparatus. The touch display device includes a display unit and a touch unit. The touch unit include a transparent electrode, and a pattern of the transparent electrode includes a plurality of first touch electrodes and a plurality of dummy electrodes; and each of the dummy electrodes includes at least two columns of dummy sub-electrodes, each of the columns of dummy sub-electrodes includes a plurality of dummy sub-electrodes arranged in the first direction with each of the dummy sub-electrodes extending in the first direction, there is a sub-slit formed between every two adjacent dummy sub-electrodes in each of the columns of dummy sub-electrodes, and at least a part of the sub-slits of at least two adjacent ones of the columns of dummy sub-electrodes are arranged staggeredly in the first direction. The electronic apparatus includes the touch display device.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: July 2, 2019
    Assignees: Shanghai Tianma Micro-Electronics Co., Ltd., Tianma Micro-Electronics Co., Ltd.
    Inventors: Yong Yuan, Yungang Sun, Chunmei He, Xianxiang Zhang
  • Patent number: 10247989
    Abstract: A TFT array substrate, a liquid crystal display panel and a liquid crystal display device. The TFT array substrate includes: a plurality of pixel units; where each of the pixel units includes a first electrode comprising a V-shaped electrode with an angle; the plurality of pixel units include a first pixel unit and a second pixel unit, and where, the first pixel unit is closer to an edge of the TFT array substrate than the second pixel unit, and an angle of the V-shaped electrode in the first pixel unit is smaller than an angle of the V-shaped electrode in the second pixel unit.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: April 2, 2019
    Assignees: Shanghai Tianma Micro-Electronics Co., Ltd., Tianma Micro-Electronics Co., Ltd.
    Inventors: Zhipeng Liu, Xianxiang Zhang, Shaofa Lan
  • Patent number: 10204575
    Abstract: A display panel and a display device are provided. The display panel comprises a first substrate including scanning lines, data lines, and pixel units including first pixel units and second pixel units; and a second substrate including color units including first color units, second color units, third color units, and fourth color units. The pixel units are arranged into first pixel groups and second pixel groups alternately arranged along an extending direction of the scanning lines. An arrangement of the first pixel units and the second pixel units in the first pixel group is a mirror image of that in the second pixel group. When the data signals with a same polarity are provided to the first pixel units and the second pixel units, the first pixel units generate an electric field having an inverted direction from an electric field generated by the second pixel units.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: February 12, 2019
    Assignees: Shanghai Tianma Micro-electronics Co., Ltd., Tianma Micro-electronics Co., Ltd.
    Inventors: Wei Xu, Xianxiang Zhang, Xiangmin Tan
  • Patent number: 10162450
    Abstract: An array substrate includes a plurality of data lines; a plurality of scanning lines intersecting the data lines to define pixel units; a plurality of pixel electrodes within the pixel units; and a plurality of touch electrodes having a grid shape and formed by a plurality of first sub-electrodes and a plurality of second sub-electrodes intersecting each other. Projections of the first sub-electrodes and the second sub-electrodes onto a layer containing the pixel electrodes are respectively located between adjacent pixel electrodes, or the first sub-electrodes and the second sub-electrodes are respectively located between adjacent pixel electrodes. The product of the resistance of the touch electrode and the load capacitance between the touch electrode, the source electrode and the first metal is reduced, which reduces the charging time of the touch driving signal and enables the touch state and the display state to operate in a time division manner.
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: December 25, 2018
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Feng Lu, Zhongshou Huang, Xianxiang Zhang, Xiaoye Li, Gang Liu, Yingying Xu
  • Patent number: 10088718
    Abstract: A touch control display and a controlling method are provided. The display comprises a TFT array substrate; an opposite substrate; a cover glass disposed on an outside surface of the opposite substrate, wherein the cover glass has an inner surface facing the opposing substrate and an outside surface, and the cover glass, the TFT array substrate, and the opposite substrate collectively define a display area and a non-display area; first electrodes disposed in the display area of the opposite substrate; second electrodes disposed in the non-display area of the cover glass, and on the inner surface of the cover glass; and third electrodes disposed between the opposite substrate and the TFT array substrate. The third electrodes are disposed opposite to the plurality of first electrodes, and at least one of the plurality of third electrodes is multiplexed as a common electrode of the TFT array substrate.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: October 2, 2018
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Gujun Li, Xianxiang Zhang, Yingying Xu, Xiaoye Li, Gang Liu, Xingyao Zhou, Kang Yang, Zhaokeng Cao, Juan Zhu
  • Patent number: 10055041
    Abstract: A display panel and a display device, where the display panel includes a display region and a frame region surrounding the display region. The display panel includes a peripheral touch structure disposed in the frame region and an internal touch structure disposed in the display region.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: August 21, 2018
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Gujun Li, Xingyao Zhou, Kang Yang, Yungang Sun, Xiaoye Li, Gang Liu, Xianxiang Zhang, Yingying Xu
  • Publication number: 20180164936
    Abstract: A display panel and a display device, where the display panel includes a display region and a frame region surrounding the display region. The display panel includes a peripheral touch structure disposed in the frame region and an internal touch structure disposed in the display region.
    Type: Application
    Filed: February 7, 2018
    Publication date: June 14, 2018
    Inventors: Gujun Li, Xingyao Zhou, Kang Yang, Yungang Sun, Xiaoye Li, Gang Liu, Xianxiang Zhang, Yingying Xu
  • Patent number: 9990069
    Abstract: An electromagnetism and capacitance integrated touch screen, a touch display panel and a touch display apparatus are provided. Multiple virtual electrodes (generally located between a drive electrode and a detection electrode) in a capacitance touch structure are arranged to be coil-shaped, and the coil-shaped virtual electrode functions as a coil of an electromagnetism touch structure. In this way, the electromagnetism touch structure can be implemented without adding extra structure and process to the capacitance touch structure, thereby achieving compatibility between the electromagnetism touch structure and the capacitance touch structure.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: June 5, 2018
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Qijun Yao, Feng Lu, Xianxiang Zhang
  • Publication number: 20180095332
    Abstract: A TFT array substrate, a liquid crystal display panel and a liquid crystal display device. The TFT array substrate includes: a plurality of pixel units; where each of the pixel units includes a first electrode comprising a V-shaped electrode with an angle; the plurality of pixel units include a first pixel unit and a second pixel unit, and where, the first pixel unit is closer to an edge of the TFT array substrate than the second pixel unit, and an angle of the V-shaped electrode in the first pixel unit is smaller than an angle of the V-shaped electrode in the second pixel unit.
    Type: Application
    Filed: December 6, 2017
    Publication date: April 5, 2018
    Inventors: Zhipeng Liu, Xianxiang Zhang, Shaofa Lan
  • Patent number: 9916023
    Abstract: A display panel and a display device, where the display panel includes a display region and a frame region surrounding the display region. The display panel includes a peripheral touch structure disposed in the frame region and an internal touch structure disposed in the display region.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: March 13, 2018
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Gujun Li, Xingyao Zhou, Kang Yang, Yungang Sun, Xiaoye Li, Gang Liu, Xianxiang Zhang, Yingying Xu
  • Patent number: 9864238
    Abstract: A TFT array substrate, a liquid crystal display panel and a liquid crystal display device. The TFT array substrate includes: a plurality of pixel units; where each of the pixel units includes a first electrode comprising a V-shaped electrode with an angle; the plurality of pixel units include a first pixel unit and a second pixel unit, and where, the first pixel unit is closer to an edge of the TFT array substrate than the second pixel unit, and an angle of the V-shaped electrode in the first pixel unit is smaller than an angle of the V-shaped electrode in the second pixel unit.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: January 9, 2018
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Zhipeng Liu, Xianxiang Zhang, Shaofa Lan
  • Publication number: 20170363919
    Abstract: A touch control display and a controlling method are provided. The display comprises a TFT array substrate; an opposite substrate; a cover glass disposed on an outside surface of the opposite substrate, wherein the cover glass has an inner surface facing the opposing substrate and an outside surface, and the cover glass, the TFT array substrate, and the opposite substrate collectively define a display area and a non-display area; first electrodes disposed in the display area of the opposite substrate; second electrodes disposed in the non-display area of the cover glass, and on the inner surface of the cover glass; and third electrodes disposed between the opposite substrate and the TFT array substrate. The third electrodes are disposed opposite to the plurality of first electrodes, and at least one of the plurality of third electrodes is multiplexed as a common electrode of the TFT array substrate.
    Type: Application
    Filed: September 6, 2017
    Publication date: December 21, 2017
    Inventors: Gujun LI, Xianxiang ZHANG, Yingying XU, Xiaoye LI, Gang LIU, Xingyao ZHOU, Kang YANG, Zhaokeng CAO, Juan ZHU
  • Patent number: 9836135
    Abstract: An touch panel detecting a touch position of an electromagnetic stylus is disclosed. The touch panel includes first and second coils, and drive and detection circuits. The first coils include a plurality of subgroups of first coils, which includes a first group of first coils and a second group of first coils. The first group of first coils includes at least one subgroup of first coils, and the second group of first coils includes at least one subgroup of first coils. In addition, subgroups of the first and second groups of first coils are alternately arranged. The first group of first coils receive a signal from the drive circuit and emit signals, the second group of first coils receive signals from the stylus and generate induction signals, and the detection circuit determines a value of a coordinate of the touch position of the stylus based on the induction signals.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: December 5, 2017
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Feng Lu, Qijun Yao, Xianxiang Zhang
  • Patent number: 9791953
    Abstract: A touch display device and a method for driving a touch display device. The touch display device includes a touch unit and a display unit; the touch unit includes a first touch electrode layer having a plurality of first touch electrodes, each of which includes a plurality of touch sub-electrodes; the display unit includes an array substrate, a color filter substrate disposed opposite to the array substrate, a display function layer disposed between the array substrate and the color filter substrate, and a plurality of gate electrodes disposed on the array substrate; where, a projection of each of the touch sub-electrodes in a direction perpendicular to the array substrate is located between two adjacent ones of the plurality of gate electrodes.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: October 17, 2017
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS., LTD.
    Inventors: Lihua Wang, Xingyao Zhou, Xianxiang Zhang, Yingying Xu, Xiaoye Li, Gang Liu
  • Patent number: 9785018
    Abstract: A touch liquid crystal display is disclosed. The display includes a TFT array substrate, and an opposite substrate opposite to the TFT array substrate. The TFT array substrate and the opposite substrate collectively define a display area and a non-display area. In addition, the opposite substrate includes a first substrate, a plurality of first electrodes, and a plurality of second electrodes, where the plurality of first electrodes are located in the display area of the first substrate, and the plurality of second electrodes are located in the non-display area of the first substrate. The TFT array substrate includes a second substrate, and a plurality of third electrodes, where the third electrodes are located in the display area of the second substrate and are opposite the first electrodes, and where the third electrodes are common electrodes of the TFT array substrate.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: October 10, 2017
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Gujun Li, Xianxiang Zhang, Yingying Xu, Xiaoye Li, Gang Liu, Xingyao Zhou, Kang Yang
  • Publication number: 20170221437
    Abstract: A display panel and a display device are provided. The display panel comprises a first substrate including scanning lines, data lines, and pixel units including first pixel units and second pixel units; and a second substrate including color units including first color units, second color units, third color units, and fourth color units. The pixel units are arranged into first pixel groups and second pixel groups alternately arranged along an extending direction of the scanning lines. An arrangement of the first pixel units and the second pixel units in the first pixel group is a mirror image of that in the second pixel group. When the data signals with a same polarity are provided to the first pixel units and the second pixel units, the first pixel units generate an electric field having an inverted direction from an electric field generated by the second pixel units.
    Type: Application
    Filed: June 27, 2016
    Publication date: August 3, 2017
    Inventors: WEI XU, XIANXIANG ZHANG, XIANGMIN TAN
  • Patent number: 9665229
    Abstract: A display panel and a display device are disclosed. The display panel includes a color filter substrate and an array substrate disposed opposite to each other and a liquid crystal layer located therebetween; the color filter substrate includes a plurality of touch drive electrodes parallelly arranged along a first direction; the array substrate comprises two groups of waveform generation circuits, which are respectively arranged at both ends of the touch drive electrodes, located in a frame area of the array substrate, where each group of waveform generation circuits comprises a plurality of touch drive waveform generation circuits, the touch drive electrode is electrically connected with one or more of the touch drive waveform generation circuits, and the plurality of touch drive waveform generation circuits are configured for generating touch drive signals and providing the generated touch drive signals to the touch drive electrodes.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: May 30, 2017
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Feng Lu, Zhongshou Huang, Xianxiang Zhang, Xiaoye Li, Gang Liu, Yingying Xu
  • Patent number: 9576548
    Abstract: A touch panel is disclosed. The touch panel is detects a position of a stylus, which includes first and second resonance circuits. The touch panel includes first and second coils respectively extending in first and second directions. Each of the first coils emits a first signal having a first frequency and receives a second signal having a second frequency, where emitting the first signal and receiving the second signal are successively and respectively performed by the plurality of second coils. In addition, each of second coils emits a second signal having the second frequency and receives a first signal having the first frequency, where emitting the second signal and receiving the first signal are successively performed. The first resonance circuit of the stylus generates the first signal after receiving the first signal, and the second resonance circuit of the electromagnetic stylus generates the second signal after receiving the second signal.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: February 21, 2017
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Qijun Yao, Feng Lu, Xianxiang Zhang
  • Patent number: 9575612
    Abstract: An electromagnetic inductive touch panel includes a first substrate and a touch structure layer disposed on the first substrate. The touch structure layer includes a plurality of first wires; a plurality of second wires insulatedly intersecting with the plurality of first wires; and a plurality of electromagnetic inductive coils disposed respectively at intersections of the first wires with the second wires. Each of electromagnetic inductive coils includes a first sub-coil and a second sub-coil spirally wrapped around each other. The first sub-coil has one end electrically connected with one of the first wires and the other end electrically connected with a common potential; and the second sub-coil has one end electrically connected with one of the second wires and the other end electrically connected with the common potential.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: February 21, 2017
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Xianxiang Zhang