Patents by Inventor Hongjuan Liu

Hongjuan Liu 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: 10126860
    Abstract: A touch display panel. The touch display panel includes a first substrate; a plurality of data lines; and a plurality of gate lines. The touch display panel also includes a plurality of subpixel regions arranged in an array defined by the plurality of data lines and the plurality of gate lines on the first substrate, each subpixel region including a common electrode pattern; a plurality of touch-driving electrodes, each formed by electrically connected common electrode patterns corresponding to at least one row of subpixel regions; and a plurality of touch-sensing electrodes. The plurality of touch-driving electrodes and the touch-sensing electrodes are for detecting a touch motion on the touch display panel.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: November 13, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shengji Yang, Xue Dong, Hailin Xue, Haisheng Wang, Xiaochuan Chen, Yingming Liu, Weijie Zhao, Rui Xu, Lei Wang, Changfeng Li, Hongjuan Liu
  • Patent number: 10101847
    Abstract: A touch screen and a drive method therefor, and a display device. The touch screen includes a color filter substrate and an array substrate that are disposed opposite to each other. The color filter substrate includes a first base substrate and a first electrode disposed on the first base substrate; the array substrate includes a second base substrate and a transparent conductive layer that is disposed on the second base substrate, and the transparent conductive layer includes a second electrode and a common electrode, with the first electrode being staggered with the second electrode; in a touch time period, a signal on the common electrode is the same as the signal on the first electrode; in a display time period, the second electrode and the common electrode are configured for loading a common electrode signal.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: October 16, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTPELECTRONICS TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoliang Ding, Lei Wang, Hongjuan Liu, Xue Dong, Haisheng Wang, Weijie Zhao, Yingming Liu, Shengji Yang, Chunlei Wang, Tao Ren
  • Publication number: 20180260047
    Abstract: A touch display device and a method of driving the same are provided. The touch display device includes a metal layer and a plurality of organic light-emitting unit groups. Each of the plurality of organic light-emitting unit groups includes a plurality of organic light-emitting units and the organic light-emitting units of each of the plurality of organic light-emitting unit groups shares one of the plurality of cathodes, the plurality of cathodes are insulated from each other, and each of the plurality of cathodes forms a capacitive pressure sensor with the metal layer.
    Type: Application
    Filed: August 17, 2016
    Publication date: September 13, 2018
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Pengpeng WANG, Xue DONG, Haisheng WANG, Xiaochuan CHEN, Xiaoliang DING, Yingming LIU, Shengji YANG, Weijie ZHAO, Changfeng LI, Wei LIU, Hongjuan LIU
  • Patent number: 10055635
    Abstract: The embodiments of the present disclosure provide an array substrate, a method for driving the array substrate, a display panel and a display apparatus. The array substrate comprises: a plurality of repetition units each comprising a plurality of sub-pixels, one of the plurality of sub-pixels having a palm print recognition unit, each sub-pixel having a display unit connected to a first scan line and a data line and configured to be turned on or off under control of the first scan line, a data signal being inputted to the display unit from the data line while the display unit is on; and a touch control electrode connected to a touch control electrode line and configured to identify a touch control position.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: August 21, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yingming Liu, Xue Dong, Haisheng Wang, Xiaochuan Chen, Weijie Zhao, Changfeng Li, Xiaoliang Ding, Shengji Yang, Hongjuan Liu, Lei Wang, Wei Liu
  • Publication number: 20180232085
    Abstract: A touch display panel, a touch display device and a driving method are provided. The touch display panel includes an array substrate, an opposite substrate arranged opposite to the array substrate, a touch electrode arranged at a side of the array substrate facing the opposite substrate, and an antistatic layer arranged inside the touch display panel. The antistatic layer is located at a side of the opposite substrate facing the touch electrode, and the antistatic layer and the touch electrode are capable of forming a capacitive force sensor in the case that the antistatic layer is applied with a force scanning signal.
    Type: Application
    Filed: May 26, 2016
    Publication date: August 16, 2018
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Haisheng WANG, Xue DONG, Hailin XUE, Xiaochuan CHEN, Xiaoliang DING, Yingming LIU, Weijie ZHAO, Shengji YANG, Wei LIU, Changfeng LI, Hongjuan LIU, Pengpeng WANG
  • Publication number: 20180224959
    Abstract: An in-cell touch panel, a method for driving the same, and a display device are provided. A plurality of first electrode plates is multiplexed as a pressure detection electrode which forms a capacitor with a conductive layer under the base substrate. When the pressure detection electrode is pressed, a distance between the pressure detection electrode and the conductive layer and thereby a capacitance therebetween change.
    Type: Application
    Filed: August 9, 2016
    Publication date: August 9, 2018
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shengji YANG, Xue DONG, Hailin XUE, Xiaochuan CHEN, Haisheng WANG, Weijie ZHAO, Yingming LIU, Xiaoliang DING, Hongjuan LIU, Changfeng LI, Pengpeng WANG
  • Patent number: 10042461
    Abstract: An array substrate, manufacturing and driving methods thereof, and a display device are provided. The array substrate includes a base substrate and a plurality of gate lines and a plurality of data lines disposed on the base substrate. A plurality of pixel units distributed in an array are defined by the gate lines and the data lines; each pixel unit includes a common electrode, a pixel electrode and a thin-film transistor (TFT); a first insulating layer is disposed on one side of a layer provided with the common electrodes away from the base substrate; and a plurality of self-capacitance electrodes are disposed on one side of the first insulating layer away from the base substrate.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: August 7, 2018
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Yingming Liu, Xue Dong, Haisheng Wang, Xiaochuan Chen, Xiaoliang Ding, Shengji Yang, Weijie Zhao, Hongjuan Liu, Changfeng Li, Wei Liu
  • Publication number: 20180211086
    Abstract: The embodiments of the present disclosure provide an array substrate, a method for driving the array substrate, a display panel and a display apparatus. The array substrate comprises: a plurality of repetition units each comprising a plurality of sub-pixels, one of the plurality of sub-pixels having a palm print recognition unit, each sub-pixel having a display unit connected to a first scan line and a data line and configured to be turned on or off under control of the first scan line, a data signal being inputted to the display unit from the data line while the display unit is on; and a touch control electrode connected to a touch control electrode line and configured to identify a touch control position.
    Type: Application
    Filed: December 21, 2015
    Publication date: July 26, 2018
    Inventors: Yingming Liu, Xue Dong, Haisheng Wang, Xiaochuan Chen, Weijie Zhao, Changfeng Li, Xiaoliang Ding, Shengji Yang, Hongjuan Liu, Lei Wang, Wei Liu
  • Patent number: 10031627
    Abstract: An in-cell touch panel and a display device are provided. Self-capacitance electrodes arranged in the same layer as pixel electrodes are disposed at gaps between the pixel electrodes of the touch panel in accordance with the self-capacitance principle. A touch detection chip can determine a touch position by detection of capacitance variation of the self-capacitance electrodes in a touch period. The touch panel does not need to add additional processes on the basis of the manufacturing process of an array substrate and hence can reduce the manufacturing cost and improve the productivity.
    Type: Grant
    Filed: September 20, 2014
    Date of Patent: July 24, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Haisheng Wang, Xue Dong, Hailin Xue, Yingming Liu, Weijie Zhao, Xiaoliang Ding, Shengji Yang, Hongjuan Liu, Lei Wang, Chunlei Wang
  • Patent number: 10013594
    Abstract: The present disclosure provides a fingerprint identification device, a touch panel and a display device. The fingerprint identification device includes a plurality of first driving lines extending in a first predetermined direction and a plurality of first sensing lines extending in a second predetermined direction that is not parallel to the first predetermined direction. The first sensing lines are divided into at least two sensing groups in the first predetermined direction, each sensing group includes a plurality of sensing sub-groups arranged side by side in the second predetermined direction, each sensing sub-group includes at least one of the first sensing lines, and the adjacent sensing sub-groups are insulated from each other.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: July 3, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yingming Liu, Xue Dong, Haisheng Wang, Xiaoliang Ding, Weijie Zhao, Shengji Yang, Hongjuan Liu, Changfeng Li, Wei Liu
  • Patent number: 10013121
    Abstract: An in-cell touch panel and a display device are provided. The touch panel includes: an upper substrate and a lower substrate provided opposite to each other, a plurality of self-capacitance electrodes which are disposed between the upper substrate and the lower substrate and provided in a same layer and insulated from each other, and a touch detection chip configured to determine a touch position by detecting capacitance variation of the self-capacitance electrodes in the touch time-period. Thus, an in-cell touch panel with higher touch accuracy, lower cost, higher productivity and higher transmittance can be obtained.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: July 3, 2018
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Haisheng Wang, Xue Dong, Hailin Xue, Yingming Liu, Xiaoliang Ding, Shengji Yang, Weijie Zhao, Hongjuan Liu, Tao Ren
  • Patent number: 10001872
    Abstract: Embodiments of the present disclosure disclose an in-cell touch screen and a display device. A touch electrode arranged in the touch screen is provided with a slit at a region corresponding to a gap between two adjacent pixels, such that the slits in respective touch electrodes of the in-cell touch screen and the gaps between the touch electrodes are uniformly distributed to avoid defective problem of bright lines or dark lines present in the in-cell touch screen. Further, a strip-shaped floating electrode is further provided in the touch screen to be electrically connected with the touch electrode and is arranged at the a slit of the touch electrode and/or at the gap between two adjacent touch electrodes. The strip-shaped floating electrode is used to partially fill or cover the slit in the touch electrode, which can alleviate reduction in an effective area of the touch electrode due to providing the slit in the touch electrode.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: June 19, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Haisheng Wang, Xue Dong, Xiaochuan Chen, Yingming Liu, Xiaoliang Ding, Shengji Yang, Weijie Zhao, Hongjuan Liu, Wei Liu, Changfeng Li
  • Publication number: 20180164920
    Abstract: An embodiment of this disclosure discloses a touch panel. The touch panel comprises a first substrate and a second substrate opposite to the first substrate. The touch panel further comprises a plurality of magnetic protrusions arranged on the first substrate and protruding towards the second substrate. The touch panel further comprises a first coil group and a second coil group, the first coil group comprises a plurality of coils extending in a first direction, and the second coil group comprises a plurality of coils extending in a second direction. The first coil group and the second coil group are stacked on the second substrate and insulated from each other. The coils of the first and second coil group and corresponding magnetic protrusions constitute a plurality of inductive sensors.
    Type: Application
    Filed: March 23, 2017
    Publication date: June 14, 2018
    Inventors: Pengpeng WANG, Xue DONG, Hailin XUE, Xiaochuan CHEN, Haisheng WANG, Shengji YANG, Yingming LIU, Xiaoliang DING, Weijie ZHAO, Hongjuan LIU, Changfeng LI, Wei LIU, Jian GAO, Xiaochen NIU
  • Patent number: 9997111
    Abstract: The present disclosure discloses a circuit and method for generating a light emission control signal for an AMOLED pixel circuit having in-cell touch sensors, as well as a pixel circuit driving method. The circuit comprises a first transistor, a second transistor, a third transistor, a fourth transistor and a first capacitor. Under control of a control signal transferred by a first control line, a first clock signal, a second clock signal, a voltage of a first level, a voltage of a second level and a control signal transferred by a second control line, the circuit outputs the desired light emission control signal via a light emission control line. The light emission control signal may turn off the OLED in the pixel circuit during a touch sense phase such that an influence of the capacitance between the anode and cathode of the OLED on the touch sensor-to-ground capacitance is reduced.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: June 12, 2018
    Assignees: BOE TECHNOLOGY GROUP., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shengji Yang, Xue Dong, Panhua Wang, Hailin Xue, Xiaochuan Chen, Haisheng Wang, Hongjuan Liu, Weijie Zhao, Chunlei Wang, Wei Li, Yingming Liu
  • Patent number: 9966010
    Abstract: Provided are a driving circuit and a driving method thereof, a touch display panel, and a touch display device. The first input terminal of the delay unit is connected to corresponding previous gate driver, the first output terminal of the delay unit is connected to corresponding subsequent gate driver. The delay unit outputs a starting signal to the subsequent gate driver for enabling it after a predetermined time elapses since the previous gate driver outputs a driving signal. The delay unit achieves shift registering between the previous gate driver and the subsequent gate driver, to form a touch-control time period after the previous gate driver outputs a driving signal and before the subsequent gate driver is enabled, so as to ensure that the touch display panel can also achieve a touch-control function with high precision on the premise of achieving a display function of high resolution.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: May 8, 2018
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Shengji Yang, Xue Dong, Panhua Wang, Hailin Xue, Xiaochuan Chen, Haisheng Wang, Xi Chen, Jianyun Xie, Yingming Liu, Weijie Zhao, Hongjuan Liu
  • Patent number: 9965097
    Abstract: The present disclosure provides in some embodiments a pixel driving circuit, a display panel, a method for driving the display panel, and a display device. The pixel driving circuit includes a preset unit, a driving unit, a compensation unit, an energy storage unit, and a driving signal output unit.
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: May 8, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shengji Yang, Xue Dong, Hailin Xue, Haisheng Wang, Xiaochuan Chen, Hongjuan Liu, Tuo Sun, Lifei Ma, Yingming Liu, Weijie Zhao, Changfeng Li
  • Patent number: 9959447
    Abstract: The present invention provides a fingerprint recognition device, a display screen and a display device, which belong to the field of display technology and can solve the problem of high cost for conventional fingerprint recognition devices. The fingerprint recognition device of the present invention arranged at a light emitting side of a display panel includes a protection substrate, a glass base positioned under the protection substrate, a plurality of detecting electrodes formed on the glass base, capacitance being formed between the plurality of detecting electrodes and ridges or valleys of a fingerprint when touching occurs, and a control unit used to recognize the fingerprint based on the capacitance. The fingerprint recognition device of the present invention has a simple structure and a low cost.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: May 1, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yingming Liu, Xue Dong, Haisheng Wang, Shengji Yang, Xiaoliang Ding, Weijie Zhao, Hongjuan Liu, Liguang Deng, Changfeng Li, Wei Liu
  • Patent number: 9946386
    Abstract: The present application discloses a display panel having an array of a plurality of pixel units, each pixel unit including at least three subpixels for image display, at least some of the plurality of pixel units including a semiconductor photodetector for detecting biometric information; a plurality of first scan lines and a plurality of data lines, each first scan line being connected to a row of subpixels, each data line being connected to a column of subpixels; each subpixel including a first transistor for image display; a plurality of common voltage terminals, each common voltage terminal being connected to a semiconductor photodetector; a plurality of second scan lines, each second scan line being connected to a plurality of semiconductor photodetectors for providing a control voltage signal; each semiconductor photodetector having a second transistor; the second transistor being a phototransistor having a gate node connected to a corresponding second scan line for receiving the control voltage signal
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: April 17, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yingming Liu, Xue Dong, Haisheng Wang, Xiaochuan Chen, Weijie Zhao, Changfeng Li, Xiaoliang Ding, Shengji Yang, Hongjuan Liu, Wei Liu, Lei Wang
  • Patent number: 9940500
    Abstract: A substrate includes a pixel array region and a display panel are provided. The pixel array region includes: a base substrate; a light shielding region disposed on the base substrate; and at least one fingerprint sensor pattern disposed in the light shielding region. The fingerprint sensor pattern includes: a driving electrode pattern and a sensing electrode pattern, wherein the driving electrode pattern is configured for providing a driving signal of fingerprint identification, the sensing electrode pattern is configured for receiving a sensing signal of fingerprint identification, and the driving electrode pattern and the sensing electrode pattern are electrically insulated from each other.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: April 10, 2018
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Yingming Liu, Xue Dong, Haisheng Wang, Xiaoliang Ding, Shengji Yang, Weijie Zhao, Liguang Deng, Hongjuan Liu, Changfeng Li, Wei Liu, Jing Zhao, Jing Pang
  • Patent number: 9927911
    Abstract: A touch display panel, a fabrication method thereof, a touch display apparatus are provided. The touch display panel includes touch driving electrodes touch driving electrode wires touch driving electrode connection wires. Each column of touch driving electrodes include touch driving electrode blocks, each of the touch driving electrode blocks which is connected with one touch driving electrode wire, different columns of touch driving electrode blocks are connected with different touch driving electrode wires. Each of the touch driving electrode blocks includes a plurality of interruptedly distributed touch driving electrode units that are electrically connected by the touch driving electrode connection wires.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: March 27, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yingming Liu, Xue Dong, Haisheng Wang, Xiaochuan Chen, Xiaoliang Ding, Shengji Yang, Weijie Zhao, Hongjuan Liu, Liguang Deng, Huizhong Zhu, Changfeng Li, Wei Liu, Lei Wang