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).
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Patent number: 9128506Abstract: 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: GrantFiled: August 31, 2012Date of Patent: September 8, 2015Assignee: AU OPTRONICS CORPORATIONInventors: 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
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Publication number: 20150015536Abstract: 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: ApplicationFiled: February 27, 2014Publication date: January 15, 2015Applicant: AU Optronics CorporationInventors: Chia-Wei CHANG, Yu-Jung LIU, Chih-Che KUO, Tokuro OZAWA, Koji AOKI
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Patent number: 8879018Abstract: 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: GrantFiled: March 5, 2012Date of Patent: November 4, 2014Assignee: AU Optronics CorporationInventors: Ren-Hong Jhan, Jung-Hui Hsu, Kuo-Sen Kung, Chun-Hao Tu, Jen-Pei Tseng, Yu-Jung Liu, Jiun-Jye Chang
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Patent number: 8823624Abstract: 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: GrantFiled: August 13, 2010Date of Patent: September 2, 2014Assignee: AU Optronics CorporationInventors: Yu-Jung Liu, Yu-Hsuan Li, Chung-Chun Chen, Chun-Hung Kuo, Chun-Huai Li
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Patent number: 8816957Abstract: 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: GrantFiled: February 18, 2011Date of Patent: August 26, 2014Assignee: Au Optronics CorporationInventors: Chun-Hao Tu, Kuo-Sen Kung, Jun-Hong Jan, Wei-Jhih Lian, Yu-Jung Liu, Fang-Hui Chan, Jiun-Jye Chang, Po-Lun Chen
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Publication number: 20140210699Abstract: 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: ApplicationFiled: April 14, 2014Publication date: July 31, 2014Applicant: AU Optronics Corp.Inventors: Yu-Jung Liu, Chun-Hung Kuo
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Publication number: 20130293011Abstract: 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: ApplicationFiled: September 7, 2012Publication date: November 7, 2013Applicant: 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
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Publication number: 20130285636Abstract: 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: ApplicationFiled: August 31, 2012Publication date: October 31, 2013Applicant: AU Optronics CorporationInventors: 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
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Patent number: 8471799Abstract: 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: GrantFiled: April 6, 2010Date of Patent: June 25, 2013Assignee: AU Optronics Corp.Inventors: Yu-Hsuan Li, Yu-Jung Liu, Chun-Hung Kuo, Chun-Huai Li
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Publication number: 20130107533Abstract: 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: ApplicationFiled: June 18, 2012Publication date: May 2, 2013Applicant: AU OPTRONICS CORPORATIONInventors: Wei-Cheng Wu, Kuo-Sen Kung, Chun-Hao Tu, Ren-Hong Jhan, Fang-Hui Chan, Jen-Pei Tseng, Yu-Jung Liu, Jiun-Jye Chang
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Publication number: 20130092231Abstract: 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: ApplicationFiled: June 14, 2012Publication date: April 18, 2013Applicant: AU Optronics CorporationInventors: Kuo-Sen KUNG, Chun-Hao TU, Ren-Hong JHAN, Wei-Cheng WU, Jen-Pei TSENG, Yu-Jung LIU, Jiun-Jye CHANG
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Publication number: 20130010409Abstract: 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: ApplicationFiled: March 5, 2012Publication date: January 10, 2013Applicant: AU OPTRONICS CORPORATIONInventors: Ren-Hong Jhan, Jung-Hui Hsu, Kuo-Sen Kung, Chun-Hao Tu, Jen-Pei Tseng, Yu-Jung Liu, Jiun-Jye Chang
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Publication number: 20120274263Abstract: 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: ApplicationFiled: September 19, 2011Publication date: November 1, 2012Applicant: AU OPTRONICS CORPORATIONInventors: 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
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Publication number: 20120105780Abstract: 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: ApplicationFiled: July 11, 2011Publication date: May 3, 2012Inventors: Ren-Hong Jhan, Chun-Hao Tu, Kuo-Sen Kung, Wei-Jhih Lian, Yu-Jung Liu, Jiun-Jye Chang, Po-Lun Chen, Shui-Chih Lien
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Publication number: 20120105401Abstract: 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: ApplicationFiled: February 18, 2011Publication date: May 3, 2012Applicant: AU OPTRONICS CORPORATIONInventors: Chun-Hao Tu, Kuo-Sen Kung, Jun-Hong Jan, Wei-Jhih Lian, Yu-Jung Liu, Fang-Hui Chan, Jiun-Jye Chang, Po-Lun Chen
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Publication number: 20120080951Abstract: 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: ApplicationFiled: August 9, 2011Publication date: April 5, 2012Applicant: 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
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Publication number: 20120038604Abstract: 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: ApplicationFiled: August 13, 2010Publication date: February 16, 2012Applicant: AU Optronics CorporationInventors: Yu-Jung Liu, Yu-Hsuan Li, Chung-Chun Chen, Chun-Hung Kuo, Chun-Huai Li
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Publication number: 20110090196Abstract: 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: ApplicationFiled: April 6, 2010Publication date: April 21, 2011Inventors: Yu-Hsuan Li, Yu-Jung Liu, Chun-Hung Kuo, Chun-Huai Li
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Publication number: 20090278779Abstract: 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: ApplicationFiled: August 11, 2008Publication date: November 12, 2009Inventors: Yu-Jung Liu, Chun-Hung Kuo
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Publication number: 20070194677Abstract: 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: ApplicationFiled: January 10, 2007Publication date: August 23, 2007Inventors: Yu-Jung Liu, Yi-Hsun Huang, Yung-Hui Yeh