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: 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
  • 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: 20180210596
    Abstract: The present disclosure provides a pressure-sensitive panel and a detection method thereof, a 3D touch panel and a touch display panel. The pressure-sensitive panel includes a pressure-sensitive layer. The pressure-sensitive layer includes a plurality of pressure-sensitive units, and each pressure-sensitive unit includes four resistors, a first voltage detection unit and a second voltage detection unit. The four resistors of each pressure-sensitive unit are connected with each other in sequence; two short sides of the first resistor are respectively connected with one long side of the second resistor and the fourth resistor; and two short sides of the third resistors are connected with the other long side of the second resistor and the fourth resistor. A connecting end between the first resistor and the fourth resistor is connected with a first fixed voltage end, and a connecting end between the second resistor and the third resistor is connected with a second fixed voltage end.
    Type: Application
    Filed: July 13, 2016
    Publication date: July 26, 2018
    Applicants: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Xiaoliang Ding, Xue Dong, Xiaochuan Chen, Haisheng Wang, Yingming Liu, Wei Liu, Pengpeng Wang, Shengji Yang, Weijie Zhao, Tao Ren
  • Publication number: 20180211085
    Abstract: This disclosure relates to an optical fingerprint identification display screen and a display device. In this disclosure, a plurality of photosensitive elements for fingerprint identification is arranged on an array substrate, such that mesh regions of a mesh-like black matrix layer corresponds to the photosensitive elements. A plurality of light guide members at least covering each of the photosensitive elements is arranged between each photosensitive element and the counter substrate. Since the light guide members and the counter substrate are in contact with each other, light reflected from ridges and valleys of a fingerprint will enter the light guide members maximally after passing through the mesh regions of the black matrix layer, and then directly impinge on the photosensitive elements after refraction within the light guide members.
    Type: Application
    Filed: September 5, 2016
    Publication date: July 26, 2018
    Inventors: Wei Liu, Xue Dong, Xiaochuan Chen, Haisheng Wang, Xiaoliang Ding, Yingming Liu, Weijie Zhao, Shengji Yang, Changfeng Li, Pengpeng Wang
  • 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
  • Publication number: 20180203569
    Abstract: A touch display panel having a pressure detecting function, a display device and a driving method are provided. The touch display panel includes: an array substrate and a counter substrate that are arranged opposite to each other; a plurality of touch electrodes disposed on the counter substrate and a touch electrode wiring electrically connected to each of the touch electrodes; a plurality of pressure detecting electrodes disposed on the counter substrate or the array substrate and a pressure detecting electrode wiring electrically connected to each of the pressure detecting electrodes, wherein any one of the pressure detecting electrodes overlaps with at least one of the touch electrodes in a direction perpendicular to the counter substrate, and with respect to the pressure detecting electrode, the touch electrode is closer to a light exit side of the touch display panel.
    Type: Application
    Filed: March 16, 2018
    Publication date: July 19, 2018
    Inventors: Xiaoliang DING, Xue DONG, Haisheng WANG, Xiaochuan CHEN, Yingming LIU, Weijie ZHAO, Shengji YANG, Wei LIU, Tao REN
  • Publication number: 20180204883
    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 17, 2016
    Publication date: July 19, 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
  • Patent number: 10026789
    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: Grant
    Filed: June 17, 2016
    Date of Patent: July 17, 2018
    Assignees: 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: 20180188583
    Abstract: This disclosure provides an array substrate, a display panel and a display device. The array substrate comprises a substrate, a transistor and a photosensitive element above the substrate. The transistor comprises a gate and is used for controlling display of pixels. The photosensitive element comprises a light-transmissive electrode and a photosensitive layer, the light-transmissive electrode being used for allowing sensitive light rays reflected by a surface of a fingerprint pressed thereon to pass through and impinge on the photosensitive layer, and the light-transmissive electrode being connected to the gate. By connecting the light-transmissive electrode to the gate, the array substrate achieves synchronization of image display and fingerprint identification without individually providing a scan function for fingerprint identification, which greatly facilitates the actual applications requiring synchronization of image display and fingerprint identification.
    Type: Application
    Filed: February 17, 2017
    Publication date: July 5, 2018
    Applicants: 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, Changfeng LI, Lei WANG, Pengpeng WANG, Wei LIU
  • 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: 10013086
    Abstract: An in cell touch panel and a method for driving the same, and a display device are provided. A transparent conductive layer is divided into second touch electrodes and common electrodes, that is, a conventional entire common electrode layer is divided into second touch electrodes and common electrodes insulated from each other; accordingly, during a display operation, both the second touch electrodes and the common electrodes are applied with common electrode signals; and, during an touch operation, ones of the first touch electrodes and the second touch electrodes are applied with touch scanning signals while the other ones of the first touch electrodes and the second touch electrodes are coupled to the touch scanning signals and perform outputting, so that a touch function and a display function are achieved by asynchronous drivings. The second touch electrodes are manufactured such that no additional steps should be included for sole manufacture of the second touch electrode.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: July 3, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shengji Yang, Xue Dong, Haisheng Wang, Xiaoliang Ding, Yingming Liu, Weijie Zhao, Changfeng Li, Wei Liu