Patents by Inventor Ya-Yun Yu
Ya-Yun Yu 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: 8810531Abstract: In a method of a touch panel determining multi-touch, the touch panel can determine if a sensing channel having a local minimum of a sensing value is the last sensing channel having the sensing value, or determine if sensing channels having the sensing value larger than a threshold generated according to a maximum are successive sensing channels, so as to determine the number of touch points on the touch panel. In addition, the touch panel can find a first local maximum and a second local maximum from the sensing values of the sensing channels, and compare the first local maximum and the second local maximum with a first reference and a second reference, so as to confirm the number of touch points on the touch panel.Type: GrantFiled: April 14, 2011Date of Patent: August 19, 2014Assignee: AU Optronics Corp.Inventors: Shen-Sian Syu, Ya-Yun Yu
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Patent number: 8283110Abstract: A method for fabricating an image sensor device is disclosed. The method for fabricating an image sensor device comprises forming a photosensitive layer on a substrate. The photosensitive layer is exposed through a first photomask to form an exposed portion and an unexposed portion. The unexposed portion is partially exposed through a second photomask to form a trimmed part, wherein the second photomask comprise a first segment and a second segment that has a transmittance greater than that of the first segment. The trimmed part is removed to form photosensitive structures. The photosensitive structures are reflowed to form a first microlens and a second microlens having different heights.Type: GrantFiled: June 16, 2010Date of Patent: October 9, 2012Assignee: VisEra Technologies Company LimitedInventors: Ming-Sheng Yang, Ya-Yun Yu
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Publication number: 20120139849Abstract: In a method of a touch panel determining multi-touch, the touch panel can determine if a sensing channel having a local minimum of a sensing value is the last sensing channel having the sensing value, or determine if sensing channels having the sensing value larger than a threshold generated according to a maximum are successive sensing channels, so as to determine the number of touch points on the touch panel. In addition, the touch panel can find a first local maximum and a second local maximum from the sensing values of the sensing channels, and compare the first local maximum and the second local maximum with a first reference and a second reference, so as to confirm the number of touch points on the touch panel.Type: ApplicationFiled: April 14, 2011Publication date: June 7, 2012Inventors: Shen-Sian Syu, Ya-Yun Yu
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Publication number: 20110311919Abstract: A method for fabricating an image sensor device is disclosed. The method for fabricating an image sensor device comprises forming a photosensitive layer on a substrate. The photosensitive layer is exposed through a first photomask to form an exposed portion and an unexposed portion. The unexposed portion is partially exposed through a second photomask to form a trimmed part, wherein the second photomask comprise a first segment and a second segment that has a transmittance greater than that of the first segment. The trimmed part is removed to form photosensitive structures. The photosensitive structures are reflowed to form a first microlens and a second microlens having different heights.Type: ApplicationFiled: June 16, 2010Publication date: December 22, 2011Inventors: Ming-Sheng YANG, Ya-Yun YU
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Patent number: 7692624Abstract: A liquid crystal display includes a plurality of light sources of different colors and a control device. The control device is used to control the light sources to emit light with different duty cycles. Through persistence of vision, light generated by the light sources will form an image of desired colors. White balance can be achieved by controlling the duty cycles.Type: GrantFiled: May 22, 2006Date of Patent: April 6, 2010Assignee: AU Optronics Corp.Inventors: Chun-Ting Liu, Chih-Wei Wang, Chin-Der Wey, Ya-Yun Yu
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Patent number: 7459866Abstract: The present invention provides a DC to DC conversion circuit, comprising a DC power supply, a DC to DC converter, a power management IC and a load, wherein the load may be a backlight source of a liquid crystal display. The power management IC controls the DC to DC converter to convert a DC voltage supplied by the DC power supply to an output voltage of the DC to DC converter, which is supplied to the load. The power management IC is capable of controlling the DC to DC converter to adjust the output voltage to a minimum voltage actually needed by the load according to the variation of the minimum voltage which is actually needed by the load.Type: GrantFiled: March 5, 2007Date of Patent: December 2, 2008Assignee: AU Optronics Corp.Inventors: Ya-yun Yu, Yueh-bao Lee, Jian-Shen Li
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Patent number: 7358684Abstract: A driving circuit uses a plurality of transformers to provide currents for driving a plurality of LEDs associated with a plurality of current paths. Each transformer has two induction coils with a coil turn ratio between to the number of turns in each induction coil. One induction coil is used to provide an output current to a different current path and the other induction coil is connected to the corresponding induction coil of other transformers for forming a current loop. The output current of each transformer has a relationship with the output current of the other transformers depending on the coil turn ratios of the connected transformers. LEDs in red, blue and green colors can be connected to different current paths so that the brightness of the LEDs in each color can be determined by the current in a current path.Type: GrantFiled: February 15, 2007Date of Patent: April 15, 2008Assignee: AU Optronics CorporationInventors: Chin-Der Wey, Ya-Yun Yu, Hsien-Jen Li, Yueh-Pao Lee
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Publication number: 20080018266Abstract: The present invention provides a DC to DC conversion circuit, comprising a DC power supply, a DC to DC converter, a power management IC and a load, wherein the load may be a backlight source of a liquid crystal display. The power management IC controls the DC to DC converter to convert a DC voltage supplied by the DC power supply to an output voltage of the DC to DC converter, which is supplied to the load. The power management IC is capable of controlling the DC to DC converter to adjust the output voltage to a minimum voltage actually needed by the load according to the variation of the minimum voltage which is actually needed by the load.Type: ApplicationFiled: March 5, 2007Publication date: January 24, 2008Applicant: AU Optronics Corp.Inventors: Ya-yun Yu, Yueh-bao Lee, Jian-shen Li
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Publication number: 20070229444Abstract: A liquid crystal display includes a plurality of light sources of different colors and a control device. The control device is used to control the light sources to emit light with different duty cycles. Through persistence of vision, light generated by the light sources will form an image of desired colors. White balance can be achieved by controlling the duty cycles.Type: ApplicationFiled: May 22, 2006Publication date: October 4, 2007Inventors: Chun-Ting Liu, Chih-Wei Wang, Chin-Der Wey, Ya-Yun Yu
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Publication number: 20070152606Abstract: A driving circuit uses a plurality of transformers to provide currents for driving a plurality of LEDs associated with a plurality of current paths. Each transformer has two induction coils with a coil turn ratio between to the number of turns in each induction coil. One induction coil is used to provide an output current to a different current path and the other induction coil is connected to the corresponding induction coil of other transformers for forming a current loop. The output current of each transformer has a relationship with the output current of the other transformers depending on the coil turn ratios of the connected transformers. LEDs in red, blue and green colors can be connected to different current paths so that the brightness of the LEDs in each color can be determined by the current in a current path.Type: ApplicationFiled: February 15, 2007Publication date: July 5, 2007Inventors: Chin-Der Wey, Ya-Yun Yu, Hsien-Jen Li, Yueh-Pao Lee
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Patent number: 7196483Abstract: A driving circuit uses a plurality of transformers to provide currents for driving a plurality of LEDs associated with a plurality of current paths. Each transformer has two induction coils with a coil turn ratio between to the number of turns in each induction coil. One induction coil is used to provide an output current to a different current path and the other induction coil is connected to the corresponding induction coil of other transformers for forming a current loop. The output current of each transformer has a relationship with the output current of the other transformers depending on the coil turn ratios of the connected transformers. LEDs in red, blue and green colors can be connected to different current paths so that the brightness of the LEDs in each color can be determined by the current in a current path.Type: GrantFiled: June 16, 2005Date of Patent: March 27, 2007Assignee: AU Optronics CorporationInventors: Chin-Der Wey, Ya-Yun Yu, Hsien-Jen Li, Yueh-Pao Lee
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Publication number: 20060284569Abstract: A driving circuit uses a plurality of transformers to provide currents for driving a plurality of LEDs associated with a plurality of current paths. Each transformer has two induction coils with a coil turn ratio between to the number of turns in each induction coil. One induction coil is used to provide an output current to a different current path and the other induction coil is connected to the corresponding induction coil of other transformers for forming a current loop. The output current of each transformer has a relationship with the output current of the other transformers depending on the coil turn ratios of the connected transformers. LEDs in red, blue and green colors can be connected to different current paths so that the brightness of the LEDs in each color can be determined by the current in a current path.Type: ApplicationFiled: June 16, 2005Publication date: December 21, 2006Inventors: Chin-Der Wey, Ya-Yun Yu, Hsien-Jen Li, Yueh-Pao Lee
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Publication number: 20060274024Abstract: A liquid crystal display (LCD) including a light emitting diode (LED) driving circuit and an LED module is provided. The LED module includes a plurality of LEDs. The LED driving circuit includes a transformer, a rectification circuit and a filter circuit. The transformer is used for outputting an AC voltage. The alternate current voltage is respectively rectified and filtered by the rectification circuit and the filter circuit, and then a direct current (DC) voltage level necessary for driving the LEDs is outputted accordingly.Type: ApplicationFiled: November 7, 2005Publication date: December 7, 2006Inventors: Chin-Der Wey, Chia-Hung Sun, Ya-Yun Yu, Yi-Chun Yeh