Patents by Inventor Yung-Chih Chen

Yung-Chih Chen 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).

  • SHIFT REGISTER
    Publication number: 20170124971
    Abstract: A shift register including a voltage set unit, a driver unit, a control unit, a first transistor, a second transistor, a third transistor and a fourth transistor is provided. The voltage set unit provides a terminal voltage. The driver unit provides a main gate signal according to the terminal voltage and a clock signal. The control unit provides a control signal. The first transistor receives the terminal voltage, a level reference voltage and the control signal. The second transistor is coupled to the first transistor and receives a low voltage and the control signal. The third transistor receives the terminal voltage, a level reference voltage and a gate reference signal. The fourth transistor is coupled to the third transistor and receives the low voltage and the gate reference signal.
    Type: Application
    Filed: April 27, 2016
    Publication date: May 4, 2017
    Inventors: Chun-Da Tu, Yung-Chih Chen, Cheng-Han Huang, Kai-Wei Hong, Hsiang-Sheng Chang, Chuang-Cheng Yang
  • Touch display apparatus and shift register thereof
    Patent number: 9620078
    Abstract: A touch display apparatus includes a touch driver and a display driver. The touch driver outputs touch signals to drive a touch panel. The display driver outputs scan signals to drive a display panel. A display driver has a plurality of shift registers, and each of the plurality of shift registers includes a pull-up unit, a driving unit, a pull-down unit and a holding unit. The pull-up unit is electrically connected to a driving node for outputting a driving voltage. The driving unit is electrically connected to the driving node for outputting a first scan signal according to a clock. A pull-down unit is electrically connected to the driving node and the output terminal, for pulling down the voltage level of the driving voltage and the first scan signal, respectively. The holding unit is electrically connected to the driving node.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: April 11, 2017
    Assignee: AU OPTRONICS CORP.
    Inventors: Kai-Wei Hong, Hsiang-Sheng Chang, Yung-Chih Chen, Chun-Da Tu, Cheng-Han Huang, Chuang-Cheng Yang
  • Shift register
    Patent number: 9613595
    Abstract: A driving circuit comprises a plurality of shift register (SR). An ith SR among the plurality SR's comprises a resetting circuit, an input switch, a capacitor, and an output circuit. The resetting circuit is used for adjusting a resetting voltage according to a control voltage. The input switch is used for adjusting the control voltage according to an (i?2)th driving signal from an (i?2)th SR among the plurality of SR's, selectively. The capacitor is used for adding a voltage variation of a boosting signal to the control voltage. The output circuit is used for taking an ith input signal as an ith output signal according to the control voltage and the resetting voltage, selectively. The positive edge of the boosting voltage leads the negative edge of the ith input signal.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: April 4, 2017
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Chun-Da Tu, Chih-Wei Tai, Yung-Chih Chen
  • LIQUID CRYSTAL DISPLAY AND METHOD OF CHARGING/DISCHARGING PIXELS OF A LIQUID CRYSTAL DISPLAY
    Publication number: 20170039983
    Abstract: A liquid crystal display includes a liquid crystal panel, a source driving circuit, a timing controller, and a gate driving circuit. The source driving circuit converts frame data into a plurality of data voltages, and charges/discharges a first data line according to a data voltage of the plurality of data voltages. The gate driving circuit enables a gate line corresponding to the data voltage. The timing controller sequentially enables a plurality of switch enable lines corresponding to the gate line. A plurality of pixel switches are turned on according to the enabled gate line. A data line switch is turned on according to an enabled switch enable line. The data voltage charges/discharges a corresponding pixel through the turned-on data line switch and one of the turned-on pixel switches.
    Type: Application
    Filed: October 19, 2016
    Publication date: February 9, 2017
    Inventors: Kuo-Hua Hsu, Yung-Chih Chen, Kuo-Chang Su, Yu-Chung Yang
  • TOUCH DISPLAY SYSTEM, IMAGE PROCESSING DEVICE, TOUCH DISPLAY METHOD, AND IMAGE PROCESSING METHOD
    Publication number: 20170003803
    Abstract: The invention provides a touch display system, an image processing device, a touch display method, and an image processing method. A touch image and an image provided by an image source are overlaid to generate a combined image to be displayed. In addition, the touch image includes a touch writing of an input tool on a touch area. The invention does not require a computer host for touch display. Therefore, the convenience of using the touch display system is consequently improved.
    Type: Application
    Filed: May 25, 2016
    Publication date: January 5, 2017
    Inventors: Yung-Chih Chen, Chi-Hsun Huang
  • Photoelectrical coversion module
    Patent number: 9525079
    Abstract: A photoelectrical conversion module includes at least one photoelectrical conversion device, at least one first ribbon, a second ribbon, and at least two encapsulation layers. The photoelectrical conversion device includes a solar substrate having a plurality of finger electrodes. The first ribbon is located on the solar substrate and is intersected with the finger electrodes. The first ribbon has a first connection portion located out of the solar substrate. The second ribbon has at least one second connection portion. The first connection portion is intersected and overlapped with the second connection portion, such that a portion of the first connection portion is located above the second connection portion, and another portion of the first connection portion is located under the second connection portion. The relative position of the first and second ribbons is fixed by the encapsulation layers.
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: December 20, 2016
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Yung-Chih Chen, Huang-Chi Tseng
  • TOUCH DISPLAY APPARATUS AND SHIFT REGISTER THEREOF
    Publication number: 20160365061
    Abstract: A touch display apparatus includes a touch driver and a display driver. The touch driver outputs touch signals to drive a touch panel. The display driver outputs scan signals to drive a display panel. A display driver has a plurality of shift registers, and each of the plurality of shift registers includes a pull-up unit, a driving unit, a pull-down unit and a holding unit. The pull-up unit is electrically connected to a driving node for outputting a driving voltage. The driving unit is electrically connected to the driving node for outputting a first scan signal according to a clock. A pull-down unit is electrically connected to the driving node and the output terminal, for pulling down the voltage level of the driving voltage and the first scan signal, respectively. The holding unit is electrically connected to the driving node.
    Type: Application
    Filed: September 22, 2015
    Publication date: December 15, 2016
    Inventors: Kai-Wei HONG, Hsiang-Sheng CHANG, Yung-Chih CHEN, Chun-Da TU, Cheng-Han HUANG, Chuang-Cheng YANG
  • OLED pixel driving circuit with compensation circuitry for uniform brightness
    Patent number: 9514680
    Abstract: A pixel driving circuit includes a light emitting diode (LED), a data writing unit, two transistors and two compensation units. The gate of the first transistor is coupled to the data writing unit for determining the current flow of the LED. The first compensation unit is coupled to the first transistor for providing a current path from the gate of the first transistor to a first voltage source and a current path from the gate of the first transistor to a second voltage source. The second compensation unit includes a first capacitor coupled to the gate of the first transistor for voltage coupling and providing a differential voltage that equals to the OLED to the gate of the first transistor. The second transistor is coupled between the first voltage source and a second voltage source for enabling or disabling the current flow between the first and second voltage sources.
    Type: Grant
    Filed: December 31, 2014
    Date of Patent: December 6, 2016
    Assignee: AU OPTRONICS CORP.
    Inventors: Li-Wei Liu, Wei-Chu Hsu, Yung-Chih Chen
  • Liquid crystal display and method of charging/discharging pixels of a liquid crystal display
    Patent number: 9501995
    Abstract: A liquid crystal display includes a liquid crystal panel, a source driving circuit, a timing controller, and a gate driving circuit. The source driving circuit converts frame data into a plurality of data voltages, and charges/discharges a first data line according to a data voltage of the plurality of data voltages. The gate driving circuit enables a gate line corresponding to the data voltage. The timing controller sequentially enables a plurality of switch enable lines corresponding to the gate line. A plurality of pixel switches are turned on according to the enabled gate line. A data line switch is turned on according to an enabled switch enable line. The data voltage charges/discharges a corresponding pixel through the turned-on data line switch and one of the turned-on pixel switches.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: November 22, 2016
    Assignee: AU OPTRONICS CORP.
    Inventors: Kuo-Hua Hsu, Yung-Chih Chen, Kuo-Chang Su, Yu-Chung Yang
  • Interactive display system, operation method thereof, and image intermediary apparatus
    Patent number: 9477436
    Abstract: An interactive display system, an operation method thereof, and an image intermediary apparatus are provided. The image intermediary apparatus is adapted to at least divide a display area of an interactive display apparatus into a first frame region and identify external electronic apparatuses to establish a correspondence relation between the external electronic apparatuses and image signals of the external electronic apparatuses, and display a first image based on a first image signal among the image signals of the external electronic apparatuses on the first frame region.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: October 25, 2016
    Assignee: Coretronic Corporation
    Inventor: Yung-Chih Chen
  • IMAGE DISPLAY SYSTEM AND IMAGE PRESENTING METHOD THEREOF
    Publication number: 20160309111
    Abstract: The invention provides an image display system and an image presenting method thereof. The image display system includes a display apparatus and an image presenting apparatus. The display apparatus receives an output image signal and generates an image frame. The image presenting apparatus obtains a plurality of input image signals from a plurality of image sources and generates an output image signal. The image presenting apparatus provides the output image signal to a display apparatus. The image presenting apparatus receives a preview request to simultaneously and timely present the input image signals of all the image sources in a preview block of the image frame. Also, the image presenting apparatus further receives a select request to generate the output image signal according to at least one of the input image signals that is selected.
    Type: Application
    Filed: January 28, 2016
    Publication date: October 20, 2016
    Inventors: Yung-Chih Chen, Chi-Hsun Huang
  • Shift register circuit
    Patent number: 9424949
    Abstract: A shift register circuit includes a first transistor, a capacitor, a pull-up control circuit, a first pull-down circuit, a pull-down control circuit, a second pull-down circuit and a compensation circuit. The compensation circuit further includes a second transistor, a third transistor, a fourth transistor, a fifth transistor and a sixth transistor. The second transistor, the third transistor, the fourth transistor, and the fifth transistor are corporately used to output a compensation pulse; and the sixth transistor is used to output the compensation pulse to a gate terminal of the first transistor thereby compensating a control signal.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: August 23, 2016
    Assignee: AU OPTRONICS CORP.
    Inventors: Kai-Wei Hong, Pin-Yu Chan, Yung-Chih Chen, Li-Wei Liu
  • SHIFT REGISTER
    Publication number: 20160203876
    Abstract: A driving circuit comprises a plurality of shift register (SR). An ith SR among the plurality SR's comprises a resetting circuit, an input switch, a capacitor, and an output circuit. The resetting circuit is used for adjusting a resetting voltage according to a control voltage. The input switch is used for adjusting the control voltage according to an (i?2)th driving signal from an (i?2)th SR among the plurality of SR's, selectively. The capacitor is used for adding a voltage variation of a boosting signal to the control voltage. The output circuit is used for taking an ith input signal as an ith output signal according to the control voltage and the resetting voltage, selectively. The positive edge of the boosting voltage leads the negative edge of the ith input signal.
    Type: Application
    Filed: March 3, 2016
    Publication date: July 14, 2016
    Inventors: Chun-Da Tu, Chih-Wei Tai, Yung-Chih Chen
  • INTERACTIVE DISPLAY SYSTEM, OPERATION METHOD THEREOF, AND IMAGE INTERMEDIARY APPARATUS
    Publication number: 20160188274
    Abstract: An interactive display system, an operation method thereof, and an image intermediary apparatus are provided. The image intermediary apparatus is adapted to at least divide a display area of an interactive display apparatus into a first frame region and identify external electronic apparatuses to establish a correspondence relation between the external electronic apparatuses and image signals of the external electronic apparatuses, and display a first image based on a first image signal among the image signals of the external electronic apparatuses on the first frame region.
    Type: Application
    Filed: July 31, 2015
    Publication date: June 30, 2016
    Inventor: Yung-Chih Chen
  • TOUCH AND GESTURE CONTROL SYSTEM AND TOUCH AND GESTURE CONTROL METHOD
    Publication number: 20160139672
    Abstract: A touch and gesture control system including a light curtain module, an invisible light lighting module, an image capturing module and a control unit is provided. The light curtain module is configured to form a touch zone. The invisible light lighting module is configured to form a gesture control zone. The touch zone and the gesture control zone are at least partially overlapped. The control unit is electrically connected to the light curtain module, the image capturing module and the invisible light lighting module. The control unit turns on the light curtain module and controls the image capturing module to capture a first set of images when executing a touch mode, and turns on the invisible light lighting module and controls the image capturing module to capture a second set of images when executing a gesture control mode. A touch and gesture control method is also provided.
    Type: Application
    Filed: June 25, 2015
    Publication date: May 19, 2016
    Inventors: Chien-Chung Liao, Yung-Chih Chen
  • Gate driver and shift register
    Patent number: 9343178
    Abstract: A gate driver has a plurality of shift registers. Each of the shift registers has at least three input terminals, two signal input terminals, a pull-up circuit, a driving circuit, a stability pull-down control circuit, and a stability pull-down circuit. The three input terminals of each shift register receive three different clock signals. Accordingly, the driving circuit and the stability pull-down control circuit of each shift register are controlled according to the three clock signals, such that a glitch causing by the coupling effect of the parasitic capacitor of the driving circuit is avoided and the stability of the gate driver is improved.
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: May 17, 2016
    Assignee: AU Optronics Corp.
    Inventors: Pin-Yu Chan, Chia-En Wu, Kai-Wei Hong, Li-Wei Liu, Yung-Chih Chen
  • METHOD OF MAKING A MOLDED ARTICLE AND MOLDED ARTICLE
    Publication number: 20160096317
    Abstract: A method of making a molded article includes the steps of providing a first sheet member and a second sheet member that are made of a fiber composite material and that are different in shape. The method further includes laminating the first and second sheet members into a main body that has a thick region and a thin region having a thickness smaller than that of the thick region and forming and bonding a molded body on the main body by a molding technique so as to obtain the molded article.
    Type: Application
    Filed: September 30, 2015
    Publication date: April 7, 2016
    Applicant: TAIWAN GREEN POINT ENTERPRISES CO., LTD.
    Inventors: Shian-Yih WANG, Hong-Jun CHEN, Ying-Jen CHU, Yung-Chih CHEN, Jung-Feng HSIEH
  • Driving circuit
    Patent number: 9305522
    Abstract: A driving circuit comprises a plurality of shift register (SR). An ith SR among the plurality SR's comprises a resetting circuit, an input switch, a capacitor, and an output circuit. The resetting circuit is used for adjusting a resetting voltage according to a control voltage. The input switch is used for adjusting the control voltage according to an (i?2)th driving signal from an (i?2)th SR among the plurality of SR's, selectively. The capacitor is used for adding a voltage variation of a boosting signal to the control voltage. The output circuit is used for taking an ith input signal as an ith output signal according to the control voltage and the resetting voltage, selectively. The positive edge of the boosting voltage leads the negative edge of the ith input signal.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: April 5, 2016
    Assignee: AU OPTRONICS CORP.
    Inventors: Chun-Da Tu, Chih-Wei Tai, Yung-Chih Chen
  • DRIVING BEHAVIOR ANALYSIS METHOD AND SYSTEM THEREOF
    Publication number: 20160086394
    Abstract: A driving behavior analysis method and a system thereof are provided. The system includes a storage unit, a window splitting unit and a processing unit. The storage unit stores a history fuel-consumption sequence, a driving fuel-consumption sequence and a history reference unit. The history fuel-consumption sequence includes history fuel-consumption data and the driving fuel-consumption sequence includes current fuel-consumption data. The window splitting unit separates history fuel-consumption sequence into multiple basic units and separates driving fuel-consumption sequence into multiple consumption units by utilizing a sliding window to move on the two sequences. By ordering the history fuel-consumption data for each basic unit of the history fuel-consumption sequence in a decreasing order, the processing unit generates a decreasing fuel-consumption sequence.
    Type: Application
    Filed: December 12, 2014
    Publication date: March 24, 2016
    Inventors: Chin-Sheng YANG, Yung-Chih CHEN, Chia-Yu HSU, Liang-Chih YU, Pei-Chann CHANG, Kuo-Hua LAI
  • Driving Circuit
    Publication number: 20160063958
    Abstract: A driving circuit comprises a plurality of shift register (SR). An ith SR among the plurality SR's comprises a resetting circuit, an input switch, a capacitor, and an output circuit. The resetting circuit is used for adjusting a resetting voltage according to a control voltage. The input switch is used for adjusting the control voltage according to an (i?2)th driving signal from an (i?2)th SR among the plurality of SR's, selectively. The capacitor is used for adding a voltage variation of a boosting signal to the control voltage. The output circuit is used for taking an ith input signal as an ith output signal according to the control voltage and the resetting voltage, selectively. The positive edge of the boosting voltage leads the negative edge of the ith input signal.
    Type: Application
    Filed: November 18, 2014
    Publication date: March 3, 2016
    Inventors: Chun-Da Tu, Chih-Wei Tai, Yung-Chih Chen