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: 20170330516
    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: Application
    Filed: March 24, 2016
    Publication date: November 16, 2017
    Applicants: 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: 9817508
    Abstract: The present invention discloses a display device and a driving method thereof. The display device comprises a display panel, a grating, a voltage generating unit, a touch sensing unit and a control unit. The grating comprises a first electrode and a second electrode having a p plurality of electrode blocks. The voltage generating unit provides first and second voltages to the first and second electrodes, respectively. The control unit controls the values of the first, second voltages such that the grating is transparent during the 2D display phase and functions well during the 3D display phase. During a touch phase, the electrode blocks serve as touch electrodes so as to provide a touch function together with the touch sensing unit. Since the second electrode is used during both the display phase and the touch phase, the display device has a reduced thickness, lower costs and enhanced transmittance.
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: November 14, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Wei Liu, Xue Dong, Haisheng Wang, Xiaoliang Ding, Shengji Yang, Yingming Liu, Hongjuan Liu, Weijie Zhao, Changfeng Li
  • Publication number: 20170322650
    Abstract: A touch display panel, methods for manufacturing and driving the touch display panel and a display device are provided. The touch display panel includes an array substrate including matrix-arranged touch electrodes and matrix-arranged pixel units. Each touch electrode includes multiple common electrodes. One touch lead is arranged between every two adjacent columns of pixel units. Each touch electrode is connected to a pin of the touch chip via a corresponding touch lead. The common electrodes further function as the touch electrodes in a touch phase.
    Type: Application
    Filed: October 29, 2015
    Publication date: November 9, 2017
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Wei LIU, Xue DONG, Haisheng WANG, Xiaochuan CHEN, Xiaoliang DING, Yingming LIU, Shengji YANG, Hongjuan LIU, Weijie ZHAO, Changfeng LI, Lei WANG, Rui XU
  • Patent number: 9811207
    Abstract: The present disclosure provides an array substrate, an in-cell touch screen and a display device. The array substrate includes a plurality of touch electrodes arranged at an identical layer and separated from each other, and a plurality of wires arranged at a layer different from the touch electrodes and configured to connect the touch electrodes to a touch detection circuit. A difference in overlapping areas between each touch electrode and the wires corresponding to the other touch electrodes in a coverage region of the touch electrode is less than a predetermined threshold.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: November 7, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Weijie Zhao, Xue Dong, Shengji Yang, Haisheng Wang, Hongjuan Liu, Yingming Liu, Xiaoliang Ding, Changfeng Li, Wei Liu
  • Publication number: 20170316740
    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: Application
    Filed: December 11, 2015
    Publication date: November 2, 2017
    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: 9804714
    Abstract: The embodiments of the present disclosure disclose a control method and device for a touch display panel, and a display device, capable of achieving a display function and a touch control function of a display panel and improving the report rate for the touch control function.
    Type: Grant
    Filed: May 30, 2013
    Date of Patent: October 31, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Weijie Zhao, Xue Dong, Haisheng Wang
  • Publication number: 20170308199
    Abstract: A touch screen and a manufacturing method thereof and a display device are provided. The touch screen includes a base substrate, electroluminescence pixel units disposed on the base substrate and arranged in array, touch electrodes disposed on the electroluminescence pixel units and arranged in array, the electroluminescent pixel units and the touch electrodes are insulated from each other.
    Type: Application
    Filed: July 15, 2016
    Publication date: October 26, 2017
    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, Hailin Xue
  • Publication number: 20170308218
    Abstract: A touch substrate includes a first transparent electrode layer, a transparent flexible dielectric layer and a second transparent electrode layer. The first transparent electrode layer comprises first touch detection electrodes arranged in an array and insulated from each other. During the touch detection period, a first touch detection signal is loaded simultaneously to the first and second transparent electrode layer, and the touch position can be determined by detecting a change in the capacitance value of each of the first touch detection electrodes. During the pressure detection period, a second touch detection signal may be loaded to one of the first transparent electrode layer and the second transparent electrode layer, and the pressure in the z direction perpendicular to the surface of the touch screen can be determined by detecting a change in the capacitance value between each of the first touch detection electrodes and the second transparent electrode layer.
    Type: Application
    Filed: October 27, 2016
    Publication date: October 26, 2017
    Applicants: Boe Technology Group Co., Ltd., Beijing Boe Optoelectronics Technology Co., Ltd.
    Inventors: Xiaoliang Ding, Xue Dong, Xiaochuan Chen, Haisheng Wang, Yingming Liu, Weijie Zhao, Shengji Yang, Tao Ren
  • Publication number: 20170303783
    Abstract: A head health care device and a head care system are provided. The head health care device includes: a body; a plurality of sensing components provided and projected on an outer surface of the body, in which each sensing component is configured to sense head information of a user; and a plurality of health care components provided and projected on the outer surface of the body, in which the health care components are configured to perform health care operations on a head of the user according to a control signal.
    Type: Application
    Filed: December 31, 2015
    Publication date: October 26, 2017
    Inventors: Shengji YANG, Xue DONG, Hailin XUE, Haisheng WANG, Xiaochuan CHEN, Yingming LIU, Weijie ZHAO, Xiaoliang DING, Lei WANG, Rui XU, Changfeng LI, Wei LIU
  • Patent number: 9799192
    Abstract: Disclosed is an intelligent shoe for the blind, which includes a sole and an upper. At least a portion of the sole is provided with multiple pressure sensors for generating pressure sensing signals when the sole is in contact with raised ground surface. The intelligent shoe further includes a storage chip, used to pre-store a signal characteristic of pressure sensing signals generated when the sole is in contact with a blind sidewalk, and a ata processing chip electrically connected to the multiple pressure sensors and the storage chip, used to compare a signal characteristic of pressure sensing signals from the pressure sensors with the pre-stored signal characteristic, and determine that the sole deviates from the blind sidewalk and send a prompt signal in the case that the signal characteristic of the pressure sensing signals from the pressure sensors is inconsistent with the pre-stored signal characteristic.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: October 24, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Haisheng Wang, Xue Dong, Xiaochuan Chen, Xiaoliang Ding, Hongjuan Liu, Yingming Liu, Weijie Zhao, Wei Liu, Changfeng Li, Rui Xu, Lei Wang, Shengji Yang
  • Patent number: 9791965
    Abstract: The present disclosure provides an in-cell touch panel, its driving method and a display device. The in-cell touch panel includes a resetting signal line, display control modules and touch control modules. Each touch driving sub-electrode is connected to the corresponding display control module and the corresponding touch control module. The display control module is connected to gate lines crossing each touch driving sub-electrode and configured to, when driving the gate lines crossing each touch driving sub-electrode, control the touch driving sub-electrode to be connected to a common electrode line. The touch control module is connected to the resetting signal line and configured to, after all the gate lines crossing each touch driving sub-electrode have been driven, control the touch driving sub-electrode to be connected to the touch driving signal line through a resetting signal from the resetting signal line.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: October 17, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Haisheng Wang, Xue Dong, Yingming Liu, Xiaoliang Ding, Shengji Yang, Tao Ren, Weijie Zhao, Hongjuan Liu
  • Patent number: 9785270
    Abstract: The present application discloses a touch substrate comprising a first touch electrode connected to a first touch signal line, and a first shield electrode positioned between the first touch electrode and a second touch signal line, and configured to electrically shield the first touch electrode from the second touch signal line. The second touch signal line is connected to a second touch electrode and not connected to the first touch electrode, and the second touch signal line has a first portion which overlaps with the first touch electrode.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: October 10, 2017
    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, Liguang Deng
  • Publication number: 20170286740
    Abstract: The fingerprint sensor includes: at least one driving electrode disposed perpendicularly to a desired direction of movement of a finger; and a plurality of sensing electrodes provided in parallel with each other and disposed perpendicularly to the driving electrode, the plurality of sensing electrodes being not overlapped with the driving electrode; the number of the driving electrode is less than the number of the sensing electrodes such that each driving electrode corresponds to a plurality of ones of the sensing electrodes.
    Type: Application
    Filed: April 14, 2016
    Publication date: October 5, 2017
    Inventors: Yingming Liu, Xue Dong, Haisheng Wang, Xiaoliang Ding, Shengji Yang, Weijie Zhao, Hongjuan Liu, Changfeng Li, Wei Liu, Liguang Deng, Lei Wang
  • Patent number: 9778802
    Abstract: An in-cell touch panel and a display device are provided, and the in-cell touch panel includes: an upper substrate and a lower substrate arranged oppositely to each other; a conductive layer which is provided on a side, facing the lower substrate, of the upper substrate or on a side, facing the upper substrate, of the lower substrate, and comprises a plurality of hollowed-out regions arranged in a matrix form; a plurality of self-capacitance electrodes insulated from the conductive layer and arranged in a layer in which the conductive layer is provided, each of the hollowed-out regions being provided therein with at least one of the self-capacitance electrodes; and a plurality of conductive wires respectively electrically connected with the self-capacitance electrodes. This in-cell touch panel can reduce the number of the conductive wires, so as to facilitate a narrow frame design and reduce the occurrence possibility of a larger touch blind area to a certain extent.
    Type: Grant
    Filed: September 23, 2014
    Date of Patent: October 3, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shengji Yang, Xue Dong, Haisheng Wang, Hailin Xue, Yingming Liu, Weijie Zhao, Xiaoliang Ding, Hongjuan Liu, Changfeng Li
  • Patent number: 9773149
    Abstract: The present disclosure relates to a fingerprint identification module, including: a plurality of sensing units, wherein each sensing unit receives modulation signal when turned on, the modulation signal covers at least one first time interval and at least one second time interval, and the voltages during the first and second time intervals are respectively first and second voltages; a collecting unit for collecting output signals of the sensing units in the same column in all the first time intervals as a first signal and those in all the second time intervals as a second signal; and a calculating unit for determining the difference between the first and second signals to obtain a third signal and obtaining the fingerprint information sensed on the basis of the third signal. Through the above solution, it is possible to eliminate the influence of the leakage current in the sensing unit, thereby accurately identifying fingerprints.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: September 26, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Wei Liu, Xue Dong, Hailin Xue, Haisheng Wang, Xiaochuan Chen, Xiaoliang Ding, Shengji Yang, Yingming Liu, Weijie Zhao, Hongjuan Liu, Changfeng Li, Lei Wang, Pengpeng Wang
  • Patent number: 9772710
    Abstract: The present invention provides an array substrate and a manufacturing method thereof, a touch screen and a display apparatus. The array substrate comprises: a substrate base; and gate lines, data lines and a common electrode layer formed on the substrate base, wherein the gate lines and the data lines define pixel units, and the common electrode layer comprises touch scan electrodes and touch sense electrodes, and wherein common electrode signals are loaded on the touch scan electrodes during a display period and touch scan signals are loaded on the touch scan electrodes during a touch period, and common electrode signals are loaded on the touch sense electrodes during the display period and the touch sense electrodes output touch sense signals during the touch period.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: September 26, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Hongjuan Liu, Xue Dong, Haisheng Wang, Shengji Yang, Lei Wang, Chunlei Wang, Yingming Liu, Tao Ren, Weijie Zhao, Xiaoliang Ding
  • Publication number: 20170269748
    Abstract: An in-cell touch panel, a display device and a driving method thereof. The in-cell touch panel includes: an array substrate and an opposing substrate that are arranged opposite to each other; touch detection electrodes; touch-pressure sensing electrodes disposed between a layer provided with the touch detection electrodes and a base substrate of the array substrate. A capacitor structure is formed by the touch-pressure sensing electrodes and a metal layer disposed below the array substrate; and a touch detection chip configured to simultaneously apply touch detection signals to the touch detection electrodes and the touch-pressure sensing electrodes in a touch period, determine a touch position by detecting capacitance variations of the touch detection electrodes, and determine a touch pressure value by detecting capacitance variations of the touch-pressure sensing electrodes.
    Type: Application
    Filed: July 22, 2016
    Publication date: September 21, 2017
    Applicants: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Xiaoliang Ding, Xue Dong, Xiaochuan Chen, Haisheng Wang, Yingming Liu, Shengji Yang, Weijie Zhao, Tao Ren
  • Publication number: 20170269783
    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: Application
    Filed: March 1, 2016
    Publication date: September 21, 2017
    Applicants: 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
  • Publication number: 20170269762
    Abstract: The present disclosure provides an array substrate for an organic light emitting diode (OLED) display panel. The array substrate includes a substrate; a thin film transistor layer comprising a plurality of thin film transistors, each including a source and a drain; and an anode layer comprising a plurality of anode electrodes for applying an anode voltage, and each connected to one of the source and the drain of a corresponding transistor. The array substrate also includes a cathode layer comprising a plurality of touch electrodes insulated from one another for a time-sharing operation, wherein a cathode voltage and a touch-sensing voltage are applied on the plurality of touch electrodes.
    Type: Application
    Filed: September 15, 2015
    Publication date: September 21, 2017
    Applicants: BOE TECHNOLOGY GROUP CO., LTD, BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: RUI XU, XIAOCHUAN CHEN, LEI WANG, MING YANG, HAISHENG WANG, SHENGJI YANG, YINGMING LIU, WEIJIE ZHAO
  • Publication number: 20170270338
    Abstract: The present invention provides a surface structure identification unit including photoelectric sensing element, first and second signal input terminals, trace line, driving module, reset module and evaluation unit. The photoelectric sensing element is connected to the first signal input terminal, and the driving module. The reset module is configured to be connected to the driving module in a reset stage to reset the same. The control terminal of the driving module is configured to be connected to the second signal input terminal and the trace line in a charging stage and disconnected from the trace line in a detecting stage; the first terminal of the driving module is configured to be disconnected from the first signal input terminal in the charging stage and connected to the first signal input terminal in the detecting stage; and a second terminal of the driving module is connected to the trace line.
    Type: Application
    Filed: January 22, 2016
    Publication date: September 21, 2017
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xiaoliang DING, Xue DONG, Haisheng WANG, Xiaochuan CHEN, Yingming LIU, Shengji YANG, Wei LIU, Tao REN, Weijie ZHAO