Patents by Inventor Yung-Yu Tsai
Yung-Yu Tsai 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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Publication number: 20130106996Abstract: A method for a timing controller with video format conversion is provided. The method includes steps of: receiving a control signal indicating a two-dimensional (2D) or three-dimensional (3D) display mode, and outputting a 2D or 3D output video signal in response to the control signal by a timing controller coupled between a display panel module and a display control unit. The outputting step includes: outputting the 2D output video signal in response to the control signal indicating the 2D display mode, and outputting the 3D output video signal by a 3D data format conversion unit in response to the control signal indicating the 3D display mode.Type: ApplicationFiled: September 7, 2012Publication date: May 2, 2013Applicants: CHIMEI INNOLUX CORPORATION, INNOCOM TECHNOLOGY(SHENZHEN)CO., LTD.Inventors: Yung-Yu Tsai, Wei-Chih Shen
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Publication number: 20120320044Abstract: A stereoscopic display apparatus is cooperated with a shutter apparatus. The stereoscopic display apparatus includes a display module and an infrared emitting device. The display module has a viewable area and an optical sheet. The infrared emitting device is disposed in the display module. The light emitted from the infrared emitting device passes through the optical sheet and the viewable area and be received by the shutter apparatus to control it. The stereoscopic display apparatus can reduce the cost and make the appearance of the stereoscopic display apparatus have better integrity.Type: ApplicationFiled: June 15, 2012Publication date: December 20, 2012Applicants: CHIMEI INNOLUX CORPORATION, INNOCOM TECHNOLOGY(SHENZHEN) CO., LTD.Inventors: Yung-Yu TSAI, Hung-Chih Sun
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Publication number: 20120287120Abstract: An adaptive timing controller, including a receiver, a frame buffer, a data format check circuit and a data converting unit, is provided. The receiver is used for receiving image data of an image frame. The frame buffer is used for temporarily storing the image data. The data format check circuit is used for detecting display types of the image data and a 3D display panel. The data converting unit is sued for rearranging the image data into rearranged image data corresponding to the display type of the 3D display panel.Type: ApplicationFiled: November 28, 2011Publication date: November 15, 2012Applicant: CHIMEI INNOLUX CORPORATIONInventors: Yung-Yu TSAI, Ming-Cheng Hsieh
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Publication number: 20120287119Abstract: Timing controller with frequency modulation, converter with frequency modulation for scanning-based backlight unit module, and control system for 3D display. A timing controller with frequency modulation performs display frequency modulation of a first frame rate of a first display signal and outputs a second display signal at a second frame rate greater than or substantially equal to the first frame rate for presentation by a 3D display in a 3D mode or a 2D mode, selectively. A converter with frequency modulation performs scanning frequency modulation of a first scanning frequency of a first control signal generated from the converter and outputs a second control signal at a second scanning frequency greater than or substantially equal to the first scanning frequency, selectively, for controlling the scanning-based backlight unit module of the 3D display.Type: ApplicationFiled: November 16, 2011Publication date: November 15, 2012Applicant: CHIMEI INNOLUX CORPORATIONInventors: Yung-Yu TSAI, Wei-Chih SHEN
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Patent number: 8199084Abstract: A driving circuit of a flat panel display device includes a horizontal bus, a plurality of horizontal driver ICs, a vertical bus, and a plurality of vertical driver ICs. The horizontal driver IC is operative to decode N-types of vertical driving signals output from the horizontal bus, so as to transmit the N-type vertical driving signals to the corresponding vertical driver IC via a vertical signal line of the vertical bus.Type: GrantFiled: July 12, 2005Date of Patent: June 12, 2012Assignee: Chimei Innolux CorporationInventors: Tzong-Yau Ku, Bou-Herng Hwei, Yung-Yu Tsai
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Patent number: 8072403Abstract: A liquid crystal display includes sub-pixels each having a first display field and a second display field that both operate in a transmissive mode or both operate in a reflective mode. The first and second display fields of a sub-pixel are driven by a same driving device. The first and second display fields of a sub-pixel have different characteristics that cause liquid crystal layers in the first and second display fields to have different transmittances, the difference in transmittances of the first and second display fields being larger than a predetermined value.Type: GrantFiled: September 17, 2007Date of Patent: December 6, 2011Assignee: Chimei Innolux CorporationInventors: Ming-Cheng Hsieh, Yung-Yu Tsai
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Publication number: 20110273655Abstract: A liquid crystal display (LCD) including a backlight module and a liquid crystal panel module is provided. The liquid crystal panel module is disposed at one side of the backlight module. The liquid crystal panel module includes a liquid crystal panel, a first driving circuit board, a second driving circuit board, and a connector. The first driving circuit board has a plurality of first driving chips and a timing controller. The second driving circuit board has a plurality of second driving chips. The first driving circuit board and the second driving circuit board are electrically connected to a same side of the liquid crystal panel. The connector electrically connects the first driving circuit board and the second driving circuit board.Type: ApplicationFiled: April 29, 2011Publication date: November 10, 2011Applicant: CHIMEI INNOLUX CORPORATIONInventors: Wen-Tsung Lin, Yung-Yu Tsai, Ching-Wen Shih, Feng-Shuo Kuo, Sen-Yi Wang, Ming-Shiang Lee
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Publication number: 20100079366Abstract: In a backlight module of a display device, a first light source, a second light source, and a third light source are respectively and sequentially in a first sub-frame period, a second sub-frame period, and a third sub-frame period of a frame period so that the backlight module emits predominantly the first color light, the second color light, and the third color light during the first sub-frame period, the second sub-frame period, and the third sub-frame period, respectively. At least one of the second and third light sources also emits the second or third color light during a part of the first sub-frame period.Type: ApplicationFiled: May 27, 2009Publication date: April 1, 2010Applicant: CHI MEI OPTOELECTRONICS CORP.Inventors: Wen-Tsung LIN, Yung-Yu TSAI, Yu-Yeh CHEN, Feng-Sheng LIN
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Publication number: 20100060617Abstract: A display includes an array of pixel circuits and data drivers to drive the pixel circuits. The data drivers include a first data driver to receive pixel data according to a first clock frequency and to forward some of the pixel data to a second data driver according to a second clock frequency, the second clock frequency being different from the first clock frequency.Type: ApplicationFiled: November 13, 2009Publication date: March 11, 2010Applicant: CHI MEI OPTOELECTRONICS CORPORATIONInventors: Tzong-Yau Ku, Yung-Yu Tsai
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Patent number: 7639244Abstract: A display includes an array of pixel circuits and data drivers to drive the pixel circuits. The data drivers include a first data driver to receive pixel data according to a first clock frequency and to forward some of the pixel data to a second data driver according to a second clock frequency, the second clock frequency being different from the first clock frequency.Type: GrantFiled: June 2, 2006Date of Patent: December 29, 2009Assignee: Chi Mei Optoelectronics CorporationInventors: Tzong-Yau Ku, Yung-Yu Tsai
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Publication number: 20080303771Abstract: A display and a two step driving method thereof are provided. The method includes: converting an image signal to a corresponding data driving voltage by using a driver; providing a pre-driving voltage by using a voltage generator; and finally, driving the display panel by using the pre-driving voltage and data driving voltage orderly during a horizontal synchronizing period. A display includes a display panel, a voltage generator, and a driver. The display panel also includes at least one data line. The voltage generator outputs a pre-driving voltage to the data line of the display. The driver outputs a data driving voltage to the data line according to an image signal, in which the data line receives the pre-driving voltage and the data driving voltage orderly during the horizontal synchronizing period.Type: ApplicationFiled: August 15, 2007Publication date: December 11, 2008Applicants: HIMAX TECHNOLOGIES LIMITED, CHI MEI OPTOELECTRONICS CORPORATIONInventors: Ying-Lieh Chen, Lin-Kai Bu, Chien-Ru Chen, Chih-Hsing Chang, Wen-Tsung Lin, Yung-Yu Tsai, Yung-Li Huang
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Publication number: 20080068314Abstract: A liquid crystal display includes sub-pixels each having a first display field and a second display field that both operate in a transmissive mode or both operate in a reflective mode. The first and second display fields of a sub-pixel are driven by a same driving device. The first and second display fields of a sub-pixel have different characteristics that cause liquid crystal layers in the first and second display fields to have different transmittances, the difference in transmittances of the first and second display fields being larger than a predetermined value.Type: ApplicationFiled: September 17, 2007Publication date: March 20, 2008Inventors: Ming-Cheng Hsieh, Yung-Yu Tsai
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Publication number: 20060290641Abstract: A display includes an array of pixel circuits and data drivers to drive the pixel circuits. The data drivers include a first data driver to receive pixel data according to a first clock frequency and to forward some of the pixel data to a second data driver according to a second clock frequency, the second clock frequency being different from the first clock frequency.Type: ApplicationFiled: June 2, 2006Publication date: December 28, 2006Inventors: Tzong-Yau Ku, Yung-Yu Tsai
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Publication number: 20060033691Abstract: A driving circuit of a flat panel display device includes a horizontal bus, a plurality of horizontal driver ICs, a vertical bus, and a plurality of vertical driver ICs. The horizontal driver IC is operative to decode N-types of vertical driving signals output from the horizontal bus, so as to transmit the N-type vertical driving signals to the corresponding vertical driver IC via a vertical signal line of the vertical bus.Type: ApplicationFiled: July 12, 2005Publication date: February 16, 2006Inventors: Tzong-Yau Ku, Bou-Herng Hwei, Yung-Yu Tsai
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Publication number: 20060028265Abstract: A device for generating a Gamma correction voltage in a display is disclosed. The device comprises an integrated-circuit device and a Gamma correction voltage generating circuit. In the invention, a part of the Gamma correction generating circuit is disposed inside the integrated-circuit device. Compared to a conventional Gamma correction voltage generating circuit disposed outside an integrated-circuit device, the device of the invention employs less electronic elements, thereby reducing circuit cost.Type: ApplicationFiled: August 5, 2005Publication date: February 9, 2006Inventor: Yung-Yu Tsai
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Patent number: 6937232Abstract: An overdrive system for driving a display device. A host machine includes a display interface for connecting with the display device. The display interface includes a display chip and a video memory. The overdrive system includes a frame buffer for holding the display data of the previous frame. The frame buffer uses a portion of the video memory space. The overdrive system also includes an overdrive look-up table coupled to the display chip to provide a correspondence between the overdrive display data, the display data of the previous frame and the display data of the present frame. The display chip retrieves overdrive display data from the overdrive look-up table according to the display data of the previous frame obtained from the frame buffer and the display data of the present frame and transmits the overdrive display data to the display device so that an image is formed on the display panel.Type: GrantFiled: May 31, 2002Date of Patent: August 30, 2005Assignee: Chi Mei Optoelectronics CorporationInventors: Wen-Tsung Lin, Yung-Yu Tsai, Hsin-Ta Lee
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Publication number: 20030137527Abstract: An overdrive system for driving a display device. A host machine includes a display interface for connecting with the display device. The display interface includes a display chip and a video memory. The overdrive system includes a frame buffer for holding the display data of the previous frame. The frame buffer uses a portion of the video memory space. The overdrive system also includes an overdrive look-up table coupled to the display chip to provide a correspondence between the overdrive display data, the display data of the previous frame and the display data of the present frame. The display chip retrieves overdrive display data from the overdrive look-up table according to the display data of the previous frame obtained from the frame buffer and the display data of the present frame and transmits the overdrive display data to the display device so that an image is formed on the display panel.Type: ApplicationFiled: May 31, 2002Publication date: July 24, 2003Inventors: Wen-Tsung Lin, Yung-Yu Tsai, Hsin-Ta Lee