Patents by Inventor Weijie Zhao

Weijie Zhao 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).

  • Publication number: 20180374417
    Abstract: This disclosure provides a pixel driving circuit, comprising: a driving transistor, a reset sub-circuit, an energy storage sub-circuit, a compensation sub-circuit, a data write sub-circuit and a light emitting sub-circuit. The driving transistor is configured to drive the light emitting sub-circuit to emit light, the reset sub-circuit is configured to reset the energy storage sub-circuit, the energy storage sub-circuit is configured to pre-store a threshold voltage of the driving transistor, the compensation sub-circuit is configured to compensate the threshold voltage of the driving transistor, the data write sub-circuit is configured to write a signal level inputted by the data signal terminal into the third node, and the light emitting sub-circuit is configured to emit light under the driving of the driving transistor. A driving method of the pixel driving circuit and a display panel as well as a display device are further provided.
    Type: Application
    Filed: June 19, 2017
    Publication date: December 27, 2018
    Inventors: Shengji YANG, Xue DONG, Hailin XUE, Xiaochuan CHEN, Haisheng WANG, Weijie ZHAO, Yingming LIU
  • Publication number: 20180356922
    Abstract: The present disclosure provides an in-cell touch screen, a manufacturing method thereof, and a display apparatus. The touch screen comprises a pixel region disposed over a base substrate. The pixel region is surrounded by a first barrier, which is configured to insulate the pixel region. The pixel region includes a first electrode; a light-emitting layer, disposed over the first electrode; and a second electrode, disposed over the light-emitting layer. The second electrode expands over an opening of the first barrier so as to be able to electrically connect with a third electrode outside the pixel region.
    Type: Application
    Filed: October 25, 2016
    Publication date: December 13, 2018
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Wei LIU, Xue DONG, Xiaochuan CHEN, Haisheng WANG, Xiaoliang DING, Shengji YANG, Yingming LIU, Weijie ZHAO, Hongjuan LIU, Changfeng LI, Pengpeng WANG
  • Publication number: 20180348917
    Abstract: An organic light-emitting diode (OLED) display device and a pressure touch driving method, the OLED display device includes: a silicon substrate; a pixel unit and a magneto-dependent sensor disposed on one side of the silicon substrate; and a magnetic field generator configured to provide magnetic fields running through a plane provided with the magneto-dependent sensor to the magneto-dependent sensor; the magneto-dependent sensor is configured to detect magnetic variation and convert the magnetic variation into a voltage difference for output.
    Type: Application
    Filed: April 1, 2017
    Publication date: December 6, 2018
    Applicants: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Pengpeng Wang, Xue Dong, Xiaochuan Chen, Haisheng Wang, Yingming Liu, Xiaoliang Ding, Weijie Zhao, Shengji Yang, Changfeng Li, Wei Liu, Jian Gao
  • Patent number: 10139977
    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: Grant
    Filed: August 17, 2016
    Date of Patent: November 27, 2018
    Assignees: 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: 10133383
    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: Grant
    Filed: May 26, 2016
    Date of Patent: November 20, 2018
    Assignees: 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
  • Patent number: 10133082
    Abstract: A 3D grating, a color filter substrate, a display device and a control method thereof are provided. The 3D grating comprises: a first transparent electrode layer; a second transparent electrode layer; and an electrochromic material layer formed between the first transparent electrode layer and the second transparent electrode layer; wherein the first transparent electrode layer comprises a pattern of strip-shaped electrodes, which comprises a plurality of strip-shaped electrodes and an electrode wire electrically connected with each of the strip-shaped electrodes in the pattern; and wherein the electrochromic material layer is configured to be non-transparent when it is in an electric field and to be transparent when it is not in an electric field, or the electrochromic material layer is configured to be transparent when it is in an electric field and to be non-transparent when it is not in an electric field.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: November 20, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shengji Yang, Xue Dong, Hailin Xue, Haisheng Wang, Wenqing Zhao, Renwei Guo, Peng Liu, Chung-Chun Chen, Jinghua Miao, Mubing Li, Changfeng Li, Yingming Liu, Weijie Zhao, Xiaoliang Ding, Wei Liu, Hongjuan Liu
  • Patent number: 10133390
    Abstract: A pixel circuit, a driving method thereof, a substrate including the pixel circuit, a display panel, and an electronic device are disclosed. The pixel circuit includes a pixel unit and a pressure sensing unit. The pixel unit is connected to a scan line and a data line, and is configured to write in an image signal provided through the data line according to a signal provided through the scan line. The pressure sensing unit is connected to the scan line, and includes a detection electrode, a reference module, an amplification module, a reset module, a switch module, and a signal reading line.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: November 20, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shengji Yang, Xue Dong, Hailin Xue, Xiaochuan Chen, Haisheng Wang, Yingming Liu, Xiaoliang Ding, Weijie Zhao, Changfeng Li, Pengpeng Wang, Wei Liu
  • 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: 10120502
    Abstract: The present disclosure provides an array substrate. The array substrate includes a bottom substrate; a plurality of gate lines and a plurality of data lines arranged on the bottom substrate for defining a plurality of subpixel regions; and a plurality of common electrode pads, each common electrode pad being located in a corresponding subpixel region, wherein one or more of the common electrode pads form a self-capacitance electrode.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: November 6, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shengji Yang, Xue Dong, Hailin Xue, Xiaochuan Chen, Haisheng Wang, Yingming Liu, Rui Xu, Weijie Zhao, Lei Wang, Xiaoliang Ding, Changfeng Li
  • Publication number: 20180308904
    Abstract: The present application discloses a touch display substrate including an array of a plurality of pixels. Each pixel includes a first region and a second region in plan view of the touch display substrate.
    Type: Application
    Filed: June 1, 2018
    Publication date: October 25, 2018
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Haisheng Wang, Xue Dong, Hailin Xue, Xiaochuan Chen, Xiaoliang Ding, Shengji Yang, Yingming Liu, Weijie Zhao, Changfeng Li, Wei Liu, Pengpeng Wang
  • Publication number: 20180299983
    Abstract: A display panel, a display device, and a method for fabricating a display panel are disclosed. The display panel includes a touch member and a display member, both of which include conductive layers. The display panel further includes pressure sensing parts, each of which includes a first electrode and an oppositely arranged second electrode, and a sensing material layer between the first and second electrodes. The first and second electrodes are respectively arranged in two of the conductive layers which are insulated from each other. The first electrode and the second electrode of each pressure sensing part are respectively arranged in any two conductive layers of the display panel itself which are insulated from each other. This simplifies the fabricating process, and increases the reliability and accuracy for pressure sensing.
    Type: Application
    Filed: May 12, 2016
    Publication date: October 18, 2018
    Inventors: Wei LIU, Xue DONG, Xiaochuan CHEN, Haisheng WANG, Xiaoliang DING, Shengji YANG, Yingming LIU, Weijie ZHAO, Changfeng LI, Pengpeng WANG
  • 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: 10067591
    Abstract: Disclosed are a touch device and a driving method thereof. The touch device includes a touch screen, a detection circuit and a driving circuit, the touch screen including a common electrode, an induction electrode and a pixel electrode, the detection circuit including a first input terminal, a second input terminal and an output terminal, the first input terminal being connected with the induction electrode; during a display period, the common electrode is configured to load a common electrode signal outputted by the driving circuit, the pixel electrode is configured to load a pixel electrode signal outputted by the driving circuit, a display electric field is generated between the common electrode and the pixel electrode, the reference signal is the same as the common electrode signal. In this disclosure, no voltage difference is generated between the common electrode signal and the reference signal, and thus avoiding affecting the normal display of the touch device.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: September 4, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Weijie Zhao, Xue Dong, Haisheng Wang, Yingming Liu
  • Patent number: 10068524
    Abstract: The present disclosure provides a pixel driving circuit, a display substrate and a driving method thereof, and a display device. The pixel driving circuit includes a driving unit, a data voltage write unit, an energy storage unit, a threshold compensation unit, and a touch driving compensation unit. The energy storage unit comprises a first energy storage end and a second energy storage end. The touch driving compensation unit is connected to the second energy storage end of the energy storage unit to compensate the voltage of the second energy storage end in a touch phase, so as to maintain that driving current generated by the driving unit does not vary with time. The pixel driving circuit provided by the present disclosure can allow luminance of a driven electroluminescent element does not vary with time in a touch phase, thereby avoiding affecting light emission display of the driven electroluminescent element.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: September 4, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shengji Yang, Xue Dong, Haisheng Wang, Xiaochuan Chen, Yingming Liu, Weijie Zhao, Rui Xu, Chen Meng, Jing Xue, Ruijun Dong, Jing Li
  • Publication number: 20180249109
    Abstract: The present disclosure provides an active pixel sensor circuit, a driving method, and an image sensor. The active pixel sensor circuit comprises a photosensitive device, a first storage capacitor, a second storage capacitor and a source follower transistor. The active pixel sensor circuit further comprises a reset sub-circuit, a charging control sub-circuit, a compensation control sub-circuit, a signal-reading control sub-circuit. The charging control sub-circuit controls a second pole of the photosensitive device to be connected to a second terminal of the second storage capacitor during the reset phase and the charging phase, and controls the gate of the source follower transistor to be connected to a second pole of the source follower transistor during the charging phase. The compensation control sub-circuit controls the second terminal of the second storage capacitor to be connected to a second terminal of the first storage capacitor during the reset phase and the compensation phase.
    Type: Application
    Filed: March 17, 2017
    Publication date: August 30, 2018
    Inventors: Shengji YANG, Xue DONG, Hailin XUE, Xiaochuan CHEN, Haisheng WANG, Yingming LIU, Weijie ZHAO, Xiaoliang DING, Chunlei WANG, Wei LI, Zebin SUN
  • Publication number: 20180239473
    Abstract: Provided touch panel and display apparatus belonging to the field of display technology. The touch panel includes first and second substrates disposed facing to each other, a plurality of touch control units disposed on surface of first substrate facing second substrate, and a plurality of read lines and a plurality of control lines; each touch control unit includes first and second patches disposed, side by side, facing to second substrate, and pressure conductive pillar between first patch and second substrate; pressure conductive pillar is configured to transfer a pressure, which occurs when touch control unit receives press, to first patch of touch control unit; each touch control unit is configured to be turned on by control signal inputted through corresponding control line, and read out, through corresponding read line, pressure signal for first and second patches so as to determine position of touch point at which a press occurs.
    Type: Application
    Filed: May 30, 2016
    Publication date: August 23, 2018
    Inventors: Pengpeng WANG, Xue DONG, Hailin XUE, Xiaochuan CHEN, Haisheng WANG, Xiaoliang DING, Yingming LIU, Shengji YANG, Weijie ZHAO, Changfeng LI, Wei 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