Patents by Inventor Yu-Jung Liu

Yu-Jung Liu 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).

  • Patent number: 9128506
    Abstract: A power tracking device and a power tracking method is disclosed herein. The power tracking device includes a power voltage setting circuit, a switch, a switching signal circuit, and a voltage memory circuit. The switching signal circuit is configured for sending a first control signal to the switch. When the switch receives the first control signal and electrically isolates the power source and the power voltage setting circuit, the voltage memory circuit stores an open circuit voltage of the power source and sends a setting voltage relative to the open circuit voltage, and when the switch receives the first control signal and electrically connects the power source and the power voltage setting circuit, the power voltage setting circuit sets an output voltage of the power source to correspond with the setting voltage.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: September 8, 2015
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Kuo-Sen Kung, Chun-Hao Tu, Ren-Hong Jhan, Wei-Cheng Wu, Ya-Zhi Hsiao, Ting-Chun Lin, Jen-Pei Tseng, Yu-Jung Liu, Jiun-Jye Chang
  • Publication number: 20150015536
    Abstract: A touch-screen system including a stylus, a display panel and a touch module is disclosed herein. The stylus includes a magnetic component. The touch-sensing module is disposed within the display panel. The touch-sensing module includes a plurality of sensing units distributed at different locations as an array over the display panel. Each of the sensing units includes a Hall induction plate for sensing a magnetic field established by the magnetic component and forming an induction output voltage. The touch module detects a touch position of the stylus according to the induction output voltages from the sensing units.
    Type: Application
    Filed: February 27, 2014
    Publication date: January 15, 2015
    Applicant: AU Optronics Corporation
    Inventors: Chia-Wei CHANG, Yu-Jung LIU, Chih-Che KUO, Tokuro OZAWA, Koji AOKI
  • Patent number: 8879018
    Abstract: An electronic apparatus and a display thereof are disclosed. The display includes a back plate, a photoelectric converting module, and a display module. The back plate has an inner surface and an open is formed on the back plate. The back plate has an inner edge around the open. The inner edge is concave toward the direction back to inner surface to form a supporting part. The photoelectric converting module is disposed on the supporting part without protruding out of the inner surface. The photoelectric converting module has a light-receiving surface exposed to the open. The display module is disposed on the inner surface of the back plate and the display module covers the photoelectric converting module. The display module has a display surface back to the photoelectric converting module.
    Type: Grant
    Filed: March 5, 2012
    Date of Patent: November 4, 2014
    Assignee: AU Optronics Corporation
    Inventors: Ren-Hong Jhan, Jung-Hui Hsu, Kuo-Sen Kung, Chun-Hao Tu, Jen-Pei Tseng, Yu-Jung Liu, Jiun-Jye Chang
  • Patent number: 8823624
    Abstract: The present invention relates to a memory circuit integrated in each pixel of a display device includes a switching circuit and a memory unit. The switching circuit includes a first transistor having a gate configured to receive a switching control signal, a source and a drain electrically coupled to a liquid crystal capacitor of the pixel, and a second transistor having a gate configured to receive a switching control signal, a source electrically coupled to a storage capacitor of the pixel, and a drain electrically coupled to the liquid crystal capacitor. The memory unit is electrically coupled between the source of first transistor and the storage capacitor.
    Type: Grant
    Filed: August 13, 2010
    Date of Patent: September 2, 2014
    Assignee: AU Optronics Corporation
    Inventors: Yu-Jung Liu, Yu-Hsuan Li, Chung-Chun Chen, Chun-Hung Kuo, Chun-Huai Li
  • Patent number: 8816957
    Abstract: An electronic device including a display unit and a photoelectric conversion board is provided. The display unit includes a display surface and a back surface which are opposite to each other, and an edge of the photoelectric conversion board is rotatably connected to the back surface of the display unit. The photoelectric conversion board includes a substrate, a first photoelectric conversion unit, and a second photoelectric conversion unit. The substrate has a first surface and a second surface which are opposite to each other, the first photoelectric conversion unit is disposed on the first surface, the second photoelectric conversion unit is disposed on the second surface, and an absorption band of the first photoelectric conversion unit is different from an absorption band of the second photoelectric conversion unit.
    Type: Grant
    Filed: February 18, 2011
    Date of Patent: August 26, 2014
    Assignee: Au Optronics Corporation
    Inventors: Chun-Hao Tu, Kuo-Sen Kung, Jun-Hong Jan, Wei-Jhih Lian, Yu-Jung Liu, Fang-Hui Chan, Jiun-Jye Chang, Po-Lun Chen
  • Publication number: 20140210699
    Abstract: An LCD device having dual source drivers and related driving method are disclosed for performing data signal driving operation by making use of a data writing synchronous control mechanism. The operation of the data writing synchronous control mechanism includes furnishing all image data signals to both the first and second source drivers, latching odd and even image data signals by the first and second source drivers respectively, performing a signal processing process on the odd image data signals for generating a first set of analog data signals by the first source driver, performing a signal processing process on the even image data signals for generating a second set of analog data signals by the second source driver, writing the first set of analog data signals into a plurality of first pixel units, and writing the second set of analog data signals into a plurality of second pixel units.
    Type: Application
    Filed: April 14, 2014
    Publication date: July 31, 2014
    Applicant: AU Optronics Corp.
    Inventors: Yu-Jung Liu, Chun-Hung Kuo
  • Publication number: 20130293011
    Abstract: A solar power system includes a solar cell module, a main system and at least one sub system. The solar cell module includes at least one first solar cell unit and one second solar cell unit coupled in series. The first solar cell unit is configured to have an available maximum output current greater than that of the second solar cell unit. The main system is electrically coupled to the solar cell module and simultaneously supplied with electrical power by the first solar cell unit and the second solar cell unit both. The at least one sub system is electrically coupled to the solar cell module and supplied with electrical power by the first solar cell unit only. A solar cell module and a power providing method thereof are also provided.
    Type: Application
    Filed: September 7, 2012
    Publication date: November 7, 2013
    Applicant: AU OPTRONICS CORP.
    Inventors: Kuo-Sen KUNG, Chun-Hao TU, Ren-Hong JHAN, Wei-Cheng WU, Jen-Pei TSENG, Yu-Jung LIU, Jiun-Jye CHANG
  • Publication number: 20130285636
    Abstract: A power tracking device and a power tracking method is disclosed herein. The power tracking device includes a power voltage setting circuit, a switch, a switching signal circuit, and a voltage memory circuit. The switching signal circuit is configured for sending a first control signal to the switch. When the switch receives the first control signal and electrically isolates the power source and the power voltage setting circuit, the voltage memory circuit stores an open circuit voltage of the power source and sends a setting voltage relative to the open circuit voltage, and when the switch receives the first control signal and electrically connects the power source and the power voltage setting circuit, the power voltage setting circuit sets an output voltage of the power source to correspond with the setting voltage.
    Type: Application
    Filed: August 31, 2012
    Publication date: October 31, 2013
    Applicant: AU Optronics Corporation
    Inventors: Kuo-Sen KUNG, Chun-Hao Tu, Ren-Hong Jhan, Wei-Cheng Wu, Ya-Zhi Hsiao, Ting-Chun Lin, Jen-Pei Tseng, Yu-Jung Liu, Jiun-Jye Chang
  • Patent number: 8471799
    Abstract: A liquid crystal display having pixel data self-retaining functionality includes a gate line for delivering a gate signal, a data line for delivering a data signal, a control unit for providing a first control signal and a second control signal, a data switch, a voltage-control inverter, a liquid crystal capacitor, and a pass transistor. The data switch is utilized for inputting the data signal to become a first data signal according to the gate signal. The voltage-control inverter is utilized for inverting the first data signal to generate a second data signal furnished to the liquid crystal capacitor according to the enable operation of the first control signal. The pass transistor is used for passing the second data signal to become the first data signal or for passing the first data signal to become the second data signal according to the second control signal.
    Type: Grant
    Filed: April 6, 2010
    Date of Patent: June 25, 2013
    Assignee: AU Optronics Corp.
    Inventors: Yu-Hsuan Li, Yu-Jung Liu, Chun-Hung Kuo, Chun-Huai Li
  • Publication number: 20130107533
    Abstract: A three-dimensional display device includes a display panel and a barrier structure. The barrier structure is located at one side of the display panel. Besides, the barrier structure includes a plurality of barrier patterns and a plurality of transparent slits. The barrier patterns and the transparent slits are arranged alternately. In particular, the barrier patterns include a photoelectric conversion structure.
    Type: Application
    Filed: June 18, 2012
    Publication date: May 2, 2013
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Wei-Cheng Wu, Kuo-Sen Kung, Chun-Hao Tu, Ren-Hong Jhan, Fang-Hui Chan, Jen-Pei Tseng, Yu-Jung Liu, Jiun-Jye Chang
  • Publication number: 20130092231
    Abstract: A photovoltaic package includes a substrate, a photovoltaic cell, an electric device, a cover, and an encapsulating material. The photovoltaic cell is disposed on the substrate. The electric device is disposed on the substrate and is electrically connected to the photovoltaic cell. The cover covers the substrate, the photovoltaic cell, and the electric device. The cover has a first depression formed therein. The first depression receives at least a portion of the electric device. The encapsulating material is located between the substrate and the cover. The encapsulating material at least partially encapsulates the photovoltaic cell and the electric device.
    Type: Application
    Filed: June 14, 2012
    Publication date: April 18, 2013
    Applicant: AU Optronics Corporation
    Inventors: Kuo-Sen KUNG, Chun-Hao TU, Ren-Hong JHAN, Wei-Cheng WU, Jen-Pei TSENG, Yu-Jung LIU, Jiun-Jye CHANG
  • Publication number: 20130010409
    Abstract: An electronic apparatus and a display thereof are disclosed. The display includes a back plate, a photoelectric converting module, and a display module. The back plate has an inner surface and an open is formed on the back plate. The back plate has an inner edge around the open. The inner edge is concave toward the direction back to inner surface to form a supporting part. The photoelectric converting module is disposed on the supporting part without protruding out of the inner surface. The photoelectric converting module has a light-receiving surface exposed to the open. The display module is disposed on the inner surface of the back plate and the display module covers the photoelectric converting module. The display module has a display surface back to the photoelectric converting module.
    Type: Application
    Filed: March 5, 2012
    Publication date: January 10, 2013
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Ren-Hong Jhan, Jung-Hui Hsu, Kuo-Sen Kung, Chun-Hao Tu, Jen-Pei Tseng, Yu-Jung Liu, Jiun-Jye Chang
  • Publication number: 20120274263
    Abstract: A system for power management electrically connected to a solar cell is provided. The system for power management includes a photo-sensor, a controller electrically connected to the photo-sensor, and a power manager. The photo-sensor detects an illumination (illuminance or irradiance) of an environment where the solar cell is located. A look-up table of illumination vs. maximum output power is built in the controller, wherein a corresponding maximum output power is determined by the controller according to the illumination detected by the photo-sensor. The power manager is electrically connected to the controller and the solar cell. The power manager controls the output current of the solar cell so as to equalize an output power of solar cell and the corresponding maximum output power. A method for power management is also provided.
    Type: Application
    Filed: September 19, 2011
    Publication date: November 1, 2012
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Kuo-Sen Kung, Chun-Hao Tu, Ren-Hong Jhan, Yu-Jung Liu, Wei-Cheng Wu, Jiun-Jye Chang, Po-Lun Chen, Wei-Jhih Lian, Liu-Yi Huang, Lin-Yuan You, Ying-Hung Lin, Wei-Ming Lee
  • Publication number: 20120105780
    Abstract: The present invention provides a liquid crystal display integrated with a solar cell module, which includes a first transparent substrate, a second transparent substrate, a cholesteric liquid crystal layer, a third transparent substrate, and a photoelectric conversion layer. The second transparent substrate is disposed on a side of the first transparent substrate, and the cholesteric liquid crystal layer is disposed between the first transparent substrate and the second transparent substrate. The third transparent substrate is disposed on the other side of the first transparent substrate opposite to the second transparent substrate, and the photoelectric conversion layer is adhered between the first transparent substrate and the third transparent substrate. The first transparent substrate, the photoelectric conversion layer and the third transparent substrate constitute the solar cell module.
    Type: Application
    Filed: July 11, 2011
    Publication date: May 3, 2012
    Inventors: Ren-Hong Jhan, Chun-Hao Tu, Kuo-Sen Kung, Wei-Jhih Lian, Yu-Jung Liu, Jiun-Jye Chang, Po-Lun Chen, Shui-Chih Lien
  • Publication number: 20120105401
    Abstract: An electronic device including a display unit and a photoelectric conversion board is provided. The display unit includes a display surface and a back surface which are opposite to each other, and an edge of the photoelectric conversion board is rotatably connected to the back surface of the display unit. The photoelectric conversion board includes a substrate, a first photoelectric conversion unit, and a second photoelectric conversion unit. The substrate has a first surface and a second surface which are opposite to each other, the first photoelectric conversion unit is disposed on the first surface, the second photoelectric conversion unit is disposed on the second surface, and an absorption band of the first photoelectric conversion unit is different from an absorption band of the second photoelectric conversion unit.
    Type: Application
    Filed: February 18, 2011
    Publication date: May 3, 2012
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Chun-Hao Tu, Kuo-Sen Kung, Jun-Hong Jan, Wei-Jhih Lian, Yu-Jung Liu, Fang-Hui Chan, Jiun-Jye Chang, Po-Lun Chen
  • Publication number: 20120080951
    Abstract: A power source circuit includes a power source detection unit, a control unit and a switch unit. The power source detection unit detects whether a plurality of power sources including a green power source is supplied to the power source circuit, and detects and outputting a power value of the green power source. In addition, the control unit is electrically coupled to the power source detection unit and a load, and the control unit further detects a power consumption value of the load, to generate a switch signal to the switch unit according to the power consumption value of the load and a result detected by the power source detection unit. Therefore, the switch unit selects the green power source and at least one of other power sources thereof to supply electric power to the load when necessary.
    Type: Application
    Filed: August 9, 2011
    Publication date: April 5, 2012
    Applicant: AU OPTRONICS CORP.
    Inventors: Kuo-Sen KUNG, Chun-Hao TU, Ren-Hong JHAN, Wei-Jhih LIAN, Yu-Jung LIU, Jiun-Jye CHANG, Po-Lun CHEN
  • Publication number: 20120038604
    Abstract: The present invention relates to a memory circuit integrated in each pixel of a display device includes a switching circuit and a memory unit. The switching circuit includes a first transistor having a gate configured to receive a switching control signal, a source and a drain electrically coupled to a liquid crystal capacitor of the pixel, and a second transistor having a gate configured to receive a switching control signal, a source electrically coupled to a storage capacitor of the pixel, and a drain electrically coupled to the liquid crystal capacitor. The memory unit is electrically coupled between the source of first transistor and the storage capacitor.
    Type: Application
    Filed: August 13, 2010
    Publication date: February 16, 2012
    Applicant: AU Optronics Corporation
    Inventors: Yu-Jung Liu, Yu-Hsuan Li, Chung-Chun Chen, Chun-Hung Kuo, Chun-Huai Li
  • Publication number: 20110090196
    Abstract: A liquid crystal display having pixel data self-retaining functionality includes a gate line for delivering a gate signal, a data line for delivering a data signal, a control unit for providing a first control signal and a second control signal, a data switch, a voltage-control inverter, a liquid crystal capacitor, and a pass transistor. The data switch is utilized for inputting the data signal to become a first data signal according to the gate signal. The voltage-control inverter is utilized for inverting the first data signal to generate a second data signal furnished to the liquid crystal capacitor according to the enable operation of the first control signal. The pass transistor is used for passing the second data signal to become the first data signal or for passing the first data signal to become the second data signal according to the second control signal.
    Type: Application
    Filed: April 6, 2010
    Publication date: April 21, 2011
    Inventors: Yu-Hsuan Li, Yu-Jung Liu, Chun-Hung Kuo, Chun-Huai Li
  • Publication number: 20090278779
    Abstract: An LCD device having dual source drivers and related driving method are disclosed for performing data signal driving operation by making use of a data writing synchronous control mechanism. The operation of the data writing synchronous control mechanism includes furnishing all image data signals to both the first and second source drivers, latching odd and even image data signals by the first and second source drivers respectively, performing a signal processing process on the odd image data signals for generating a first set of analog data signals by the first source driver, performing a signal processing process on the even image data signals for generating a second set of analog data signals by the second source driver, writing the first set of analog data signals into a plurality of first pixel units, and writing the second set of analog data signals into a plurality of second pixel units.
    Type: Application
    Filed: August 11, 2008
    Publication date: November 12, 2009
    Inventors: Yu-Jung Liu, Chun-Hung Kuo
  • Publication number: 20070194677
    Abstract: A structure and method for improving contact resistance in an organic light emitting diode integrated with a color filter, the structure and method mainly utilize a metal to be filled in a contact well on a source/drain metal layer or in a contact well corresponding to the position of the source/drain metal layer on a poly-silicon island to effectively reduce the contact resistance between pixel electrode and thin film transistor, therefore color display quality of the organic light emitting diode is improved.
    Type: Application
    Filed: January 10, 2007
    Publication date: August 23, 2007
    Inventors: Yu-Jung Liu, Yi-Hsun Huang, Yung-Hui Yeh