Patents by Inventor Ting-Jui Chang

Ting-Jui Chang 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: 7737940
    Abstract: A liquid crystal display includes a source driver, a gate driver, a plurality of pixel units, a plurality of detecting circuits, and a decision unit. Each pixel unit includes a switch transistor and a liquid crystal capacitor. When turned on by a scan signal generated by the gate driver, the switch transistor conducts a data signal voltage generated by the source driver to the liquid crystal capacitor, to adjust alignment of liquid crystal molecules. Each detecting circuit is electrically connected to one pixel unit, and includes a first transistor, a second transistor, a third transistor and a sensor unit. The first transistor conducts a constant voltage to the sensor unit when turned on, and generates a dynamic voltage when turned off. Based on the dynamic voltage, the second transistor generates a dynamic current. The third transistor conducts the dynamic current to the decision unit when turned on.
    Type: Grant
    Filed: August 28, 2007
    Date of Patent: June 15, 2010
    Assignee: AU Optronics Corp.
    Inventors: Jeng-fang Wu, Cheng-han Tsao, Chih-wei Wang, Yen-ting Chen, Kun-hua Tsai, Yi-pai Huang, Chi-mao Hung, Ting-jui Chang, Ming-sheng Lai, Min-feng Chiang, Po-yuan Liu, Chun-ting Liu
  • Publication number: 20100109979
    Abstract: A stereoscopic display device includes a display panel, and a light modulator. The display panel provides a first display information and a second display information alternately by scanning. The light modulator is disposed on the side of a display surface of the display panel and receives the first display information and the second display information. The light modulator provides a first modulating mode and a second modulating mode alternately by scanning synchronously with the display panel. The first modulating mode corresponds to the first display information, and renders the first display information having a first polarization state; the second modulating mode corresponds to the second display information, and renders the second display information having a second polarization state.
    Type: Application
    Filed: August 19, 2009
    Publication date: May 6, 2010
    Inventors: Chao-Yuan Chen, Geng-Yu Liu, Jenn-Jia Su, Ting-Jui Chang
  • Publication number: 20100091227
    Abstract: A switchable two and three dimensional display (2D/3D display) suitable for being viewed by a user is provided. The 2D/3D display includes a liquid crystal display (LCD) panel and a switchable barrier. The LCD panel has a display area, a non-display area surrounding the display area, and a first black matrix extending from the display area to the non-display area. The first black matrix has a number of openings arranged in array and merely distributed within the display area. The switchable barrier has a 3D image control area, a non-display area surrounding the 3D image control area, and a second black matrix merely disposed within the non-display area. The second black matrix surrounds the 3D image control area. An area occupied by the 3D image control area is different from an area occupied by the display area.
    Type: Application
    Filed: December 3, 2008
    Publication date: April 15, 2010
    Applicant: AU Optronics Corporation
    Inventors: Chao-Yuan Chen, Jenn-Jia Su, Ting-Jui Chang
  • Publication number: 20100091204
    Abstract: A switchable 2D/3D display includes a liquid crystal display (LCD) panel and a switchable barrier. The LCD panel includes a first substrate, a second substrate, a first twisted nematic (TN) liquid crystal layer, a first wide-view film set including a first wide-view film and a second wide-view film, and a first polarizer set. The first polarizer set includes a first polarizer and a second polarizer. Transmission axes of the first and second polarizers are substantially perpendicular to each other. The switchable barrier includes a third substrate, a fourth substrate, a second TN liquid crystal layer, a second wide-view film set including a third wide-view film and a fourth wide-view film, and a second polarizer set. The second polarizer set includes a third polarizer and a fourth polarizer. Transmission axes of the third and fourth polarizers are substantially perpendicular to each other.
    Type: Application
    Filed: December 5, 2008
    Publication date: April 15, 2010
    Applicant: Au Optronics Corporation
    Inventors: Chao-Yuan Chen, Geng-Yu Liu, Jenn-Jia Su, Ting-Jui Chang
  • Publication number: 20100060721
    Abstract: A three-dimensional display for the viewer to watch through glasses is provided, wherein the glasses have two lenses and the polarized directions thereof are perpendicular to each other. The three-dimensional display includes a display panel and a liquid crystal phase modulator. The display panel, suitable for displaying an image, has a plurality of pixels arranged in array and a polarizer having a transmission axis, wherein the polarizer disposed between the pixels and the glasses. The liquid crystal phase modulator suitable for providing phase retardation includes a liquid crystal layer and an alignment layer adjacent to the display panel. An included angle between an alignment direction of the alignment layer and the transmission axis is substantially equal to nĂ—45 degrees, wherein an absolute value of n is an integer. The liquid crystal phase modulator adjusts a phase of the image and then outputs an image with three-dimensional information.
    Type: Application
    Filed: November 17, 2008
    Publication date: March 11, 2010
    Applicant: Au Optronics Corporation
    Inventors: Chao-Yuan Chen, Chih-Wen Chen, Geng-Yu Liu, Wan-Hua Lu, Ting-Jui Chang
  • Patent number: 7663721
    Abstract: A multi-domain vertical alignment liquid crystal display panel comprising a first substrate, a second substrate, a liquid crystal layer and a plurality of phase-compensating protrusions is provided. The second substrate is configured above the first substrate. The liquid crystal layer is formed between first substrate and the second substrate. The phase-compensating domain regulating protrusions are formed on at least one of the first substrate and the second substrate. The phase-compensating domain regulating protrusions have a plurality of anisotropic birefringence molecules. The slow-axes of the anisotropic birefringence molecules are in a different direction from the slow-axes of the liquid crystal molecules near the phase-compensating protrusions. Therefore, the plurality of anisotropic birefringence molecules can compensate for the phase retardation here, thereby improving the light leakage in the dark state.
    Type: Grant
    Filed: April 8, 2005
    Date of Patent: February 16, 2010
    Assignee: Au Optronics Corporation
    Inventors: Ting-Jui Chang, Po-Lun Chen
  • Patent number: 7612844
    Abstract: A wide viewing angle liquid crystal display (LCD) panel comprising an upper substrate, a lower substrate, and a liquid crystal (LC) layer is provided. The upper substrate is assembled above the lower substrate. The LC layer is interposed between the two substrates. The LC layer has LC molecules mixed with a predetermined percentage of negative anisotropic monomers. The optical axes of the monomers and the LC molecules as the LCD panel in dark state forms an angle less than 10 degree.
    Type: Grant
    Filed: February 3, 2006
    Date of Patent: November 3, 2009
    Assignee: Au Optronics Corp.
    Inventors: Po-Lun Chen, Ting-Jui Chang, Chih-Wen Chen
  • Publication number: 20090262100
    Abstract: A liquid crystal display includes a gate driver, a data driver and a pixel matrix. The gate driver is for outputting a plurality of gate signals successively. The data driver is for providing a plurality of data signals. The pixel matrix includes a number of pixels. Each pixel includes a first sub-pixel, a second sub-pixel and a voltage coupling device. The voltage coupling device is coupled between the first sub-pixel and the second sub-pixel such that pixel voltages of the first sub-pixel and the second sub-pixel are different and have relevant variation.
    Type: Application
    Filed: July 1, 2009
    Publication date: October 22, 2009
    Applicant: AU OPTRONICS CORP.
    Inventors: Jenn-Jia Su, Ming-Feng Tien, Ting-Jui Chang, Po-Lun Chen
  • Patent number: 7599030
    Abstract: A pixel structure for a multi-domain vertical alignment liquid crystal display (MVA-LCD) is disclosed. The pixel structure includes a pixel array having a plurality of adjacently arranged sub-pixels; and a first substrate and a second substrate having, respectively, first and second means for controlling tilt angles of liquid crystal molecules between the first and second substrates. The first and second means are alternately disposed to define each of the sub-pixels into a plurality of different azimuthal angle domains. Moreover, each of the sub-pixels also is further defined into at least two different polar angle domains. The azimuthal angle domains and polar angle domains of two adjacent sub-pixels have a mirror-image arrangement.
    Type: Grant
    Filed: July 5, 2006
    Date of Patent: October 6, 2009
    Assignee: AU Optronics Corp.
    Inventors: Yi-Pai Huang, Ting-Jui Chang, Po-Lun Chen, Cheng-Han Tsao
  • Patent number: 7593080
    Abstract: The disclosed is a liquid crystal display panel having alignment protrusions with an appropriate optical density (OD) of about 0.3/?m to 3/?m, and preferably of about 0.8/?m to 1.3/?m. The invention solves problems such as light leakage in dark conditions caused by transparent alignment protrusions and mismatch caused by black alignment protrusions overlapping the alignment marks.
    Type: Grant
    Filed: July 19, 2007
    Date of Patent: September 22, 2009
    Assignee: AU Optronics Corp.
    Inventors: Ming-Feng Tien, Wan-Hua Lu, Jenn-Jia Su, Ting-Jui Chang
  • Publication number: 20090213284
    Abstract: Improving image sticking of a liquid crystal display (LCD) including a plurality of pixels, each of which includes a first subpixel and a second subpixel, includes driving the first subpixels of the pixels with a first optimized common voltage, driving the second subpixels of the pixels with a second optimized common voltage, and driving the LCD with a panel voltage. The panel voltage is between the first and the second optimized common voltages.
    Type: Application
    Filed: June 30, 2008
    Publication date: August 27, 2009
    Inventors: Pei-Chun Liao, Ting-Jui Chang, Pin-Miao Liu, Chien-Huang Liao, Yu-Chieh Chen
  • Patent number: 7508471
    Abstract: A pixel electrode structure of a transflective liquid crystal display comprises a reflective electrode laid on a surface of the gate-insulating layer, a dielectric layer covering the reflective electrode, and a transmissive electrode on the dielectric layer and connected to the reflective electrode.
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: March 24, 2009
    Assignees: Fujitsu Limited, Au Optronics Corporation
    Inventors: Ching-Huan Lin, Chih-Ming Chang, Ching-Yu Tsai, Meng-Chang Tsai, Ting-Jui Chang
  • Publication number: 20090066626
    Abstract: A pixel structure, disposed on a first substrate, and electrically coupled to at least one scan line and at least one data line is provided. The pixel structure includes a first switch device, a second switch device, at least one pixel electrode, at least one control electrode, and at least one coupling electrode. The first switch device is electrically coupled to the scan line and the data line. The second switch device is electrically coupled to the scan line and the data line. The pixel electrode is electrically coupled to the second switch device. The control electrode is electrically coupled to the first switch element. The coupling electrode is disposed under the control electrode.
    Type: Application
    Filed: September 3, 2008
    Publication date: March 12, 2009
    Applicant: AU OPTRONICS CORP.
    Inventors: Jenn-Jia SU, Ming-Feng TIEN, Chia-Jung YANG, Ting-Jui CHANG, Po-Lun CHEN
  • Publication number: 20090046226
    Abstract: An optical compensated bend (OCB) mode liquid crystal display (LCD) includes a pixel electrode, a color filter, a common electrode and a liquid crystal layer. The pixel electrode is formed on the first substrate of the OCB mode LCD. The color filter is formed on the second substrate of the OCB mode LCD. The common electrode is formed on the color filter. The liquid crystal layer is sandwiched between the first substrate and the second substrate. A step structure is formed on the second structure, so that the liquid crystal molecules in the liquid crystal layer are twisted into the bend state from the splay state uniformly and quickly.
    Type: Application
    Filed: October 15, 2008
    Publication date: February 19, 2009
    Inventors: Chia-Yu LEE, Ting-Jui Chang, Po-Lun Chen, Jeng-Fang Wu
  • Publication number: 20080291222
    Abstract: A display apparatus comprises a display panel, a gate driving circuit, and a pulse generation circuit. The display panel displays an image. The gate driving circuit drives the display panel according to a pulse signal generated by the pulse generation circuit. The pulse generation circuit comprises a histogram analysis element and a gate pulse modulator. The histogram analysis element calculates a gray level ratio of the image, and compares the gray level ratio with at least one threshold value to generate at least one control signal. The operative time of the pulse signal is determined in response to the control signal.
    Type: Application
    Filed: October 24, 2007
    Publication date: November 27, 2008
    Applicant: AU OPTRONICS CORP.
    Inventors: Hung-Lung Hou, Yi-Pai Huang, Shang-Chia Liao, Chang-Han Tsao, Ting-Jui Chang, Yao-Jen Hsieh
  • Publication number: 20080211983
    Abstract: A pixel control device and a display apparatus utilizing said pixel control device are provided. The pixel control device is electrically connected to a sub-pixel area to provide a first voltage level, a second voltage level, and a third voltage level to the sub-pixel area, so that liquid crystals can be disposed in various angles. A scan line of the pixel control device controls a first transistor, a second transistor, and a third transistor to be switched on. The first and second data lines thereof provide a first and a second data-referenced voltage levels, respectively, to determine the first, the second, and the third voltage levels.
    Type: Application
    Filed: August 15, 2007
    Publication date: September 4, 2008
    Applicant: AU OPTRONICS CORP.
    Inventors: Cheng-Han Tsao, Yi-Pai Huang, Ting-Jui Chang, Hou Lung Hou
  • Publication number: 20080192187
    Abstract: A pixel electrode structure of a transflective liquid crystal display comprises a reflective electrode laid on a surface of the gate-insulating layer, a dielectric layer covering the reflective electrode, and a transmissive electrode on the dielectric layer and connected to the reflective electrode.
    Type: Application
    Filed: April 17, 2008
    Publication date: August 14, 2008
    Applicant: AU Optronics Corporation
    Inventors: Ching-Huan LIN, Chih-Ming Chang, Ching-Yu Tsai, Meng-Chang Tsai, Ting-Jui Chang
  • Publication number: 20080143900
    Abstract: A thin film transistor (TFT) array substrate including a substrate, scan lines and data lines both disposed on the substrate, and pixel structures is provided. A plurality of pixel areas is defined by the scan lines and the data lines on the substrate. Each scan line has a driving signal input terminal and an end terminal. Each pixel area includes a first sub-pixel area and a second sub-pixel area. The pixel structures are respectively disposed in the pixel areas and driven by the scan lines and the data lines. Each pixel structure in the respective pixel area includes a first TFT corresponding to the first sub-pixel area and a second TFT corresponding to the second sub-pixel area. Besides, ratios of a channel width to a channel length of the second TFTs connected to the same scan line increase gradually from the driving signal input terminal to the end terminal.
    Type: Application
    Filed: April 24, 2007
    Publication date: June 19, 2008
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Cheng-Han Tsao, Yi-Pai Huang, Ting-Jui Chang
  • Patent number: 7385578
    Abstract: A method for warming-up an LCD system which includes a pixel array having a plurality of pixel units. Each pixel unit includes a pixel electrode, and a TFT (thin film transistor) provide with a source and a gate such that a gate signal inputted into the gate can switch on and switch off the TFT so as to permit transfer of a data signal from the source to the pixel electrode. The method includes the steps: floating the source of the TFT; and applying the gate signal onto the gate which is coupled to the pixel electrode in such a manner that the pixel electrode possesses a voltage level which is substantially equal to that of the gate signal.
    Type: Grant
    Filed: March 3, 2005
    Date of Patent: June 10, 2008
    Assignee: AU Optronics Corp.
    Inventors: Ting-Jui Chang, Po-Lun Chen
  • Patent number: 7379135
    Abstract: A pixel electrode structure of a transflective liquid crystal display comprises a reflective electrode laid on a surface of the gate-insulating layer, a dielectric layer covering the reflective electrode, and a transmissive electrode on the dielectric layer and connected to the reflective electrode.
    Type: Grant
    Filed: May 28, 2004
    Date of Patent: May 27, 2008
    Assignee: Fujitsu Limited
    Inventors: Ching-Huan Lin, Chih-Ming Chang, Ching-Yu Tsai, Meng-Chang Tsai, Ting-Jui Chang