Patents by Inventor Dayu Zhang

Dayu 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).

  • Publication number: 20180192503
    Abstract: A substrate, a touch screen and a touch display device to enhance the anti-interference and anti-static ability of the touch screen are disclosed. The substrate comprises a functional area and a peripheral area, wherein a first wiring and a second wiring insulating from each other are arranged in the peripheral area, the first wiring and second wiring are grounded respectively and are connected to a circuit board respectively to form a ground wire conduction loop; and the first wiring and the second wiring have a plurality of cross points. The touch screen comprises said substrate. The substrate provided in the present disclosure can be used in the touch display device.
    Type: Application
    Filed: February 16, 2017
    Publication date: July 5, 2018
    Inventors: Zhixiang FANG, Dayu ZHANG
  • Publication number: 20180173366
    Abstract: Disclosed is a capacitance calibration apparatus including a detection unit configured to measure a capacitance of a coupling capacitor in each of a plurality of non-touch time periods, and a calibration unit configured to, at each measurement, calibrate a base capacitance of the coupling capacitor based on the measured capacitance. Also disclosed are a capacitance calibration method and a touch display device.
    Type: Application
    Filed: February 15, 2017
    Publication date: June 21, 2018
    Inventors: Yanping ZHANG, Dayu ZHANG
  • Patent number: 9965084
    Abstract: There are disclosed a driving method of a touch screen, the touch screen and a display apparatus. The driving method comprises: taking at least two touch signal lines as a group and charging node capacitors included in each group of touch signal lines sequentially; discharging the node capacitors included in each touch signal line of the group of touch signal lines through the respective sense signal lines sequentially and determining capacitance value of each node capacitor; and determining coordinates of touch points on the touch screen according to determined capacitance value of each node capacitor. Thus, the node capacitors included in a group of touch signal lines on the touch screen are charged simultaneously by taking a group as a unit.
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: May 8, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Dayu Zhang
  • Publication number: 20180106855
    Abstract: A test device for a printed circuit board assembly is disclosed. The test device includes a test platform for securing a printed circuit board assembly to be tested and a positioning platform located above the test platform and for securing a plurality of test probes. The plurality of test probes are secured at the bottom of the positioning platform and the secured positions in the positioning platform thereof are adjustable to align the test points on the printed circuit board assembly to be tested.
    Type: Application
    Filed: October 19, 2016
    Publication date: April 19, 2018
    Inventors: Yueyuan ZHANG, Shancai ZHANG, Yifei ZHAN, Chengcheng HOU, Kun LI, Guanglei YANG, Zhaobo JIANG, Dayu ZHANG
  • Publication number: 20180088696
    Abstract: A display screen, a touch pen and a display module are disclosed. The display screen includes a frame, a touch display panel, a controller and a plurality of sound wave detectors; the plurality of sound wave detectors are disposed at different positions on the frame and at the same side of frame as an operating surface of the touch display panel. Sound wave detector detects sound wave signals sent by sound wave emission sources and sends the detected sound wave signals to the controller; the touch display panel detects electromagnetic signals sent by electromagnetic generators and sends them to the controller; the controller determines actual touch positions of a plurality of touch pens on the touch display panel based on the electromagnetic signals and sound wave signals emitted by sound wave emission sources of the touch pens to achieve accurate positioning.
    Type: Application
    Filed: June 12, 2016
    Publication date: March 29, 2018
    Inventors: Yifei Zhan, Dayu Zhang, Xinchen MA
  • Publication number: 20180040296
    Abstract: The present disclosure provides an operating method for adjusting a brightness level of a touch display device with a touch display panel, including: detecting a touch motion performed on the touch display panel; adjusting the touch display panel to display images with a first brightness level; detecting a distance between a user and the touch display panel; and adjusting the brightness level of the touch display panel to display images based on the distance between the user and the touch display panel.
    Type: Application
    Filed: August 12, 2016
    Publication date: February 8, 2018
    Inventors: Yifei ZHAN, Dayu ZHANG
  • Publication number: 20180029200
    Abstract: A supporting suction assembly, a supporting device and its operation method are provided. The supporting suction assembly including: an extension part extendable along an up-and-down direction; a rotation part mounted on a top portion of the extension part, wherein the rotation part includes a rotation ball joint and a suction cup fixedly mounted on the rotation ball joint, the rotation ball joint is provided with a first venting hole communicating with outside, and the suction cup can be rotated along with the rotation ball joint; and an extraction passage provided in the extension part to be communicated with the first venting hole. Since the supporting suction assembly can be ascended and descended individually, a workpiece having a surface with irregular shape, including a curved surface substrate, etc., can be suctioned.
    Type: Application
    Filed: December 18, 2015
    Publication date: February 1, 2018
    Applicants: BOE Technology Group Co., Ltd., HEFEI Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Shancai Zhang, Dayu Zhang
  • Patent number: 9875727
    Abstract: A circuit arranged in a gate drive area on a display panel comprises control lines. Each control line is connected with multiple gate lines, and the gate lines connected with each control line are distributed at intervals on the display panel. A switch-on level can be provided sequentially to the control lines in a preset time interval when the display panel is being shut down. The circuit mitigates or otherwise eliminates a shutdown afterimage phenomenon and also avoids delivery of a relatively large instantaneous current generated at shutdown.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: January 23, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yanping Zhang, Yuting Yang, Dayu Zhang, Xianjie Shao
  • Publication number: 20170308202
    Abstract: A touch substrate and a manufacturing method thereof, and a display device are provided. The touch substrate includes: a first touch electrode, a second touch electrode, and a first wire; the first touch electrode extending from a first side edge of a touch region to a second side edge thereof; the second touch electrode extending from a third side edge of the touch region to a fourth side edge thereof; the first wire extending within the touch region after being electrically connected to either the first touch electrode or the second touch electrode, and extending from the fourth side edge to a wiring region located at the fourth side edge.
    Type: Application
    Filed: February 3, 2016
    Publication date: October 26, 2017
    Applicants: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd .
    Inventors: Zhixiang Fang, Ming Hu, Dayu Zhang, Rikun Jiang
  • Publication number: 20170269788
    Abstract: Disclosed in the invention are a projector screen, touch screen projection displaying method and system, which belong to the field of display technology. The touch screen projection displaying system comprises a projector screen, a processing module and a projector, wherein the projector screen is provided with a capacitive touch film layer, is connected with the processing module, and is configured to receive a touch operation via the capacitive touch film layer, and transmit the touch position information generated by the touch operation to the processing module; the processing module is connected with the projector, and is configured to determine the target image information according to the touch position information; and the projector is configured to receive the target image information transmitted by the processing module, process the target image information, and project the processed target image information onto the projector screen.
    Type: Application
    Filed: February 1, 2016
    Publication date: September 21, 2017
    Inventors: Yifei ZHAN, Dayu ZHANG
  • Publication number: 20170192539
    Abstract: An active pen for a touch module, including: gravity sensing part, a signal transmitting part connected with an output end of said gravity sensing part; wherein, said gravity sensing part is configured to output a corresponding gravity sensing output signal according to an angle between said active pen and a horizontal plane; said signal transmitting part is configured to transmit said gravity sensing output signal to said touch module. Such active pen has no requirement on the material of the pen tip, reducing the cost.
    Type: Application
    Filed: October 27, 2016
    Publication date: July 6, 2017
    Inventors: Zhixiang Fang, Dayu Zhang
  • Patent number: 9696846
    Abstract: The present disclosure discloses a touch device and a method for driving the same which is capable of enabling the touch device to operate a higher display refresh rate when there is no touch. The touch device comprises a touch panel, a timing controller, a touch controller, a controller, and a sensor. The sensor is configured to detect whether there is an object contacting or approaching the touch panel, and to output a first indication signal if there is no object contacting or approaching the touch panel and a second indication signal if there is an object contacting or approaching the touch panel. The controller is configured to control the timing controller to output a first display scanning signal when the first indication signal is received and to control the timing controller to output a second display scanning signal when the second indication signal is received. The scanning frequency of the first display scanning signal is higher than that of the second display scanning signal.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: July 4, 2017
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Tao Ma, Dayu Zhang
  • Patent number: 9666159
    Abstract: The present invention discloses a display, a display system, and a data processing method. The display comprises a data processing unit and a display device, the display device having a set refresh frequency; the data processing unit being configured to convert original data signals into display data signals and output the display data signals to the display device, the frame rate of the original data signals being an original frequency, and the frame rate of the display data signals being the refresh frequency; and the display device being configured to display the display data signals. According to the technical solutions of the present invention, the processing of converting the original data signals into the display data signals is performed by the data processing unit of the display, thereby reducing the load of the image processing unit, and in turn improving the performance of the display system.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: May 30, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Dayu Zhang
  • Publication number: 20170121580
    Abstract: Disclosed is a composite abrasive with hard core and soft shell, comprising hard abrasive core with grain diameter in a range of 0.1˜1 ?m and a soft oxide shell with thickness in a range of 5˜100 nm, the grain size of the oxide of the soft oxide shell is in a range of 5˜20 nm, the composite abrasive is obtained from aqueous solution of oxide inorganic salt precursor and the hard abrasive by dispersing, constant temperature reflux hydrolyzing, solid-liquid separating, washing and drying. The component abrasive with hard core and soft shell of the present invention can improve the manufacturing efficiency and the surface quality during the ultraprecise manufacturing of the sapphire substrate.
    Type: Application
    Filed: November 3, 2016
    Publication date: May 4, 2017
    Applicant: HUAQIAO UNIVERSITY
    Inventors: Jing LU, Xipeng XU, Dayu ZHANG, Yongchao XU, Qiufa LUO
  • Publication number: 20170090646
    Abstract: An apparatus and a method for implementing touch feedback is provided. The method for implementing touch feedback includes determining a touch region corresponding to a touch operation in response to the touch operation on a touch display device, processing an image to be displayed based at least in part on the touch region wherein the processing includes adjusting image features of the image to be displayed in the touch region, and displaying the processed image to be displayed on the touch display device.
    Type: Application
    Filed: April 13, 2016
    Publication date: March 30, 2017
    Inventors: Kun LI, Jing WANG, Yifei ZHAN, Tao MA, Dayu ZHANG
  • Publication number: 20160357307
    Abstract: There are disclosed a driving method of a touch screen, the touch screen and a display apparatus. The driving method comprises: taking at least two touch signal lines as a group and charging node capacitors included in each group of touch signal lines sequentially; discharging the node capacitors included in each touch signal line of the group of touch signal lines through the respective sense signal lines sequentially and determining capacitance value of each node capacitor; and determining coordinates of touch points on the touch screen according to determined capacitance value of each node capacitor. Thus, the node capacitors included in a group of touch signal lines on the touch screen are charged simultaneously by taking a group as a unit.
    Type: Application
    Filed: April 17, 2015
    Publication date: December 8, 2016
    Inventor: Dayu ZHANG
  • Publication number: 20160293132
    Abstract: The present invention discloses a display, a display system, and a data processing method. The display comprises a data processing unit and a display device, the display device having a set refresh frequency; the data processing unit being configured to convert original data signals into display data signals and output the display data signals to the display device, the frame rate of the original data signals being an original frequency, and the frame rate of the display data signals being the refresh frequency; and the display device being configured to display the display data signals. According to the technical solutions of the present invention, the processing of converting the original data signals into the display data signals is performed by the data processing unit of the display, thereby reducing the load of the image processing unit, and in turn improving the performance of the display system.
    Type: Application
    Filed: August 27, 2014
    Publication date: October 6, 2016
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Dayu ZHANG
  • Publication number: 20160246431
    Abstract: The present disclosure discloses a touch device and a method for driving the same which is capable of enabling the touch device to operate a higher display refresh rate when there is no touch. The touch device comprises a touch panel, a timing controller, a touch controller, a controller, and a sensor. The sensor is configured to detect whether there is an object contacting or approaching the touch panel, and to output a first indication signal if there is no object contacting or approaching the touch panel and a second indication signal if there is an object contacting or approaching the touch panel. The controller is configured to control the timing controller to output a first display scanning signal when the first indication signal is received and to control the timing controller to output a second display scanning signal when the second indication signal is received. The scanning frequency of the first display scanning signal is higher than that of the second display scanning signal.
    Type: Application
    Filed: September 9, 2014
    Publication date: August 25, 2016
    Inventors: Tao Ma, Dayu Zhang
  • Publication number: 20160162083
    Abstract: A touch display panel, including a touch display panel body, a control board and a display circuit connection board, wherein the a display driving circuit which drives the touch display panel body to display is arranged on the control board and electrically connected to the control board; the display circuit connection board is electrically connected to the control board and the touch display panel body, respectively; the touch display panel further includes a touch circuit connection board, wherein the touch circuit connection board is electrically connected to the control board and the touch display panel body; a touch driving circuit which drives the touch display panel body to touch is arranged one the control board and electrically connected to the control board.
    Type: Application
    Filed: June 15, 2015
    Publication date: June 9, 2016
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Dayu ZHANG
  • Publication number: 20150348507
    Abstract: A circuit arranged in a gate drive area on a display panel comprises control lines. Each control line is connected with multiple gate lines, and the gate lines connected with each control line are distributed at intervals on the display panel. A switch-on level can be provided sequentially to the control lines in a preset time interval when the display panel is being shut down. The circuit mitigates or otherwise eliminates a shutdown afterimage phenomenon and also avoids delivery of a relatively large instantaneous current generated at shutdown.
    Type: Application
    Filed: September 29, 2014
    Publication date: December 3, 2015
    Inventors: Yanping Zhang, Yuting Yang, Dayu Zhang, Xianjie Shao