Patents by Inventor Chih-Hsiang Yang

Chih-Hsiang Yang 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).

  • Publication number: 20090160879
    Abstract: A data driver using a gamma selecting signal, a flat panel display with the same and a driving method therefor are provided. A first to a fourth data lines are electrically connected to a first left sub-pixel, a first right sub-pixel, a second right sub-pixel and a second left sub-pixel, respectively. The data driver includes a first, a second, a third and a fourth gray level generating units for outputting a first set of positive gray voltage, a second set of negative gray voltage, a second set of positive gray voltage and a first set of negative gray voltage, respectively. The data driver drivers these sub-pixels according to the first set of positive gray voltage, the second set of negative gray voltage, the second set of positive gray voltage and the first set of negative gray voltage under the control of a polarity inversion signal and a gamma selecting signal.
    Type: Application
    Filed: April 16, 2008
    Publication date: June 25, 2009
    Applicant: AU OPTRONICS CORP.
    Inventors: Ming-Hung Tu, Chih-Hsiang Yang
  • Publication number: 20090153791
    Abstract: The chip on film structure for a liquid crystal display is disclosed. The chip on film structure includes a film substrate, a driver chip disposed on the film substrate, a plurality of the input pad, and a plurality of output pads. The input pads and the output pads are disposed on two opposite sides of the driver chip, and are electrically connect to the driver chip respectively. Each input pad comprises an extending portion extending from the input pads to a first cutting edge respectively, and a width of the extending portion is thinner than a width of the input pad, and the extending portions are cut along the first cutting edge.
    Type: Application
    Filed: August 7, 2008
    Publication date: June 18, 2009
    Applicant: AU OPTRONICS CORP.
    Inventors: Ke-Chih Chang, Chih-Hsiang Yang, Sheng-Kai Hsu, Yi-Chih Huang, Ying-Chao Chen
  • Publication number: 20090153453
    Abstract: A flat display panel comprises a plurality of driver ICs and one or more flexible printed circuit, a plurality of common wires formed on the substrate to electrically connect the ICs to the one or more flexible printed circuit, and at least one anisotropic conductive film that connects respective connecting terminals of the driver ICs and flexible printed circuit to terminals pads of the common wires. The anisotropic conductive film is laminated over the substrate to cover the terminal pads. The driver ICs and flexible printed circuit are aligned and attached on the anisotropic conductive layer by thermocompression bonding.
    Type: Application
    Filed: February 27, 2009
    Publication date: June 18, 2009
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Chao-Liang LU, Chih-Hsiang YANG, Kuo-Chih LEE
  • Publication number: 20090128466
    Abstract: A driving circuit for driving a display panel comprising: (i) a printed circuit board, (ii) an input interface to receive input video signal, (iii) a timing controller to control timing signal for the display panel, (iv) a plurality of first source drivers, and (v) at least one second source driver, and wherein the display cells connected to the i-th data line and the (2j+1)-th or (2j+2)-th gate line, where j=0, 2, 4, . . . , <[Y/2], and i=1, 2, . . . , M, where Y and M are positive integers, receive data signals from corresponding data lines 1 through M, respectively, and the display cells connected to the (i+1)-th data line and the (2j+1)-th or (2j+2)-th gate line, where j=1, 3, . . . , <[Y/2]+1, and i=1, 2, . . . , M, receive shifted data signals from the data lines 2 through M+1, respectively.
    Type: Application
    Filed: November 16, 2007
    Publication date: May 21, 2009
    Applicant: AU Optronics Corporation
    Inventors: Chun-Fan Chung, Sheng-Kai Hsu, Chih-Hsiang Yang
  • Publication number: 20090121328
    Abstract: An exemplary glass substrate of flat panel display is adapted for an integrated circuit (IC) chip. The IC chip has two opposite long sides and two opposite short sides. The glass substrate includes a display area and a plurality of conductive wires. The display area has a plurality of display elements formed therein. The conductive wires are electrically coupled to the IC chip and the display area, to transmit a signal provided from the IC chip to the display area. The IC chip includes a plurality of output terminals arranged at the long sides and electrically coupled to the respective conductive wires. The present invention also provides a display IC chip for receiving and outputting a first color signal, a second color signal and a third color signal.
    Type: Application
    Filed: January 20, 2009
    Publication date: May 14, 2009
    Inventors: Sheng-Kai HSU, Chih-Hsiang Yang, Meng-Ting Hsieh
  • Publication number: 20090122215
    Abstract: A repair line framework of liquid crystal display is provided. By disposing part of the repair line inside the integrated circuit chip so that the routing of part of the repair line will penetrate through the integrated circuit chip before returning to the panel, or by routing part of the repair line disposed on the substrate within the display region so that the routing is positioned under the black matrix of the color filter, the routing length of the repair line is shortened and the impedance of the repair line is reduced.
    Type: Application
    Filed: December 29, 2008
    Publication date: May 14, 2009
    Applicant: AU OPTRONICS CORP.
    Inventors: Sheng- Kai Hsu, Chih-Hsiang Yang, Po-Yuan Liu
  • Patent number: 7532271
    Abstract: A repair line framework of liquid crystal display is provided. By disposing part of the repair line inside the integrated circuit chip so that the routing of part of the repair line will penetrate through the integrated circuit chip before returning to the panel, or by routing part of the repair line disposed on the substrate within the display region so that the routing is positioned under the black matrix of the color filter, the routing length of the repair line is shortened and the impedance of the repair line is reduced.
    Type: Grant
    Filed: April 28, 2006
    Date of Patent: May 12, 2009
    Assignee: Au Optronics Corp.
    Inventors: Sheng-Kai Hsu, Chih-Hsiang Yang, Po-Yuan Liu
  • Publication number: 20090108768
    Abstract: A backlight control device for controlling a driving current of an LED is disclosed. By controlling current outputs from current sources of a plurality of current output units, a display will be able to generate desirable backlight. Then by adjusting currents output by the plurality of current output units, brightness of a plurality of pixels can be dynamically adjusted. The brightness of pixels with higher gray levels can be increased while the brightness of pixels with lower gray levels can be decreased, thereby improving the contrast of image and saving power consumption.
    Type: Application
    Filed: November 14, 2007
    Publication date: April 30, 2009
    Inventors: Chih-Hsiang Yang, Fu-Cheng Wei
  • Publication number: 20090102778
    Abstract: A shift register applied on a double-frame-rate LCD is provided. The LCD includes an upper display area with c gate lines, a lower display area with d gate lines, and a gate driving circuit. The gate driving circuit includes a first shift register coupled to the corresponding x gate lines of the upper display area, a second shift register coupled to the corresponding y lines of the lower display area, and a third shift register coupled to the corresponding (c-x) gate lines of the upper display area and the corresponding (d-y) gate lines of the lower display area.
    Type: Application
    Filed: February 12, 2008
    Publication date: April 23, 2009
    Inventors: Ming-Hung Tu, Chih-Hsiang Yang
  • Patent number: 7515240
    Abstract: A flat display panel comprises a plurality of driver ICs and one or more flexible printed circuit, a plurality of common wires formed on the substrate to electrically connect the ICs to the one or more flexible printed circuit, and at least one anisotropic conductive film that connects respective connecting terminals of the driver ICs and flexible printed circuit to terminals pads of the common wires. The anisotropic conductive film is laminated over the substrate to cover the terminal pads. The driver ICs and flexible printed circuit are aligned and attached on the anisotropic conductive layer by thermocompression bonding.
    Type: Grant
    Filed: October 5, 2004
    Date of Patent: April 7, 2009
    Assignee: Au Optronics Corporation
    Inventors: Chao-Liang Lu, Chih-Hsiang Yang, Kuo-Chih Lee
  • Publication number: 20090066622
    Abstract: A liquid crystal display device includes a liquid crystal panel having a plurality of pixel units for displaying images, a timing controller for generating image data, a reference voltage generator for generating a reference voltage group, a plurality of voltage dividers, and a plurality of converters. Each voltage divider is used for dividing the reference voltage group into a respective level voltage group. The converters are used for converting the image data into a plurality of data signal voltages on the basis of the level voltage groups. Each pixel unit us used for showing various grey levels based on the data signal voltages.
    Type: Application
    Filed: March 6, 2008
    Publication date: March 12, 2009
    Applicant: AU OPTRONICS CORP.
    Inventors: Chih-hsiang Yang, Chun-fan Chung, Sheng-kai Hsu
  • Patent number: 7483006
    Abstract: A liquid crystal display and the driving method thereof. The LCD includes a timing controller, a plurality of driver chips and a display panel. The driver chips are cascaded together for driving the display panel to display frames. A driver chip includes a differential receiver, a single-ended receiver, a shift register, a differential transmitter, a single-ended transmitter and a pixel driver. The driver chip receives a pixel signal and drives the display panel according to the pixel signal, and outputs the pixel signal to the next driver chip.
    Type: Grant
    Filed: January 14, 2005
    Date of Patent: January 27, 2009
    Assignee: AU Optronics Corp.
    Inventors: Chih-Sung Wang, Chih-Hsiang Yang, Chao-Liang Lu
  • Publication number: 20090021460
    Abstract: A liquid crystal display and the driving method thereof. The LCD includes a timing controller, a plurality of driver chips and a display panel. The driver chips are cascaded together for driving the display panel to display frames. A driver chip includes a differential receiver, a single-ended receiver, a shift register, a differential transmitter, a single-ended transmitter and a pixel driver. The driver chip receives a pixel signal and drives the display panel according to the pixel signal, and outputs the pixel signal to the next driver chip.
    Type: Application
    Filed: September 17, 2008
    Publication date: January 22, 2009
    Applicant: AU OPTRONICS CORP.
    Inventors: Chih-Sung Wang, Chih-Hsiang Yang, Chao-Liang Lu
  • Publication number: 20080251299
    Abstract: A capacitance touch sensor includes a square wave generator for generating a square wave clock, a sensor panel for receiving the square wave clock and then generating a panel signal, a peak detector for receiving the panel signal and then generating an analog peak signal, an analog-to-digital converter for receiving the analog peak signal and then generating a digital peak signal, and a control unit for receiving the digital peak signal and generating a detection signal according to a level of the digital peak signal to indicate whether the sensor panel is touched or not.
    Type: Application
    Filed: April 14, 2008
    Publication date: October 16, 2008
    Inventors: Tung-Tsai LIAO, Li Sheng Lo, Chih Hsiang Yang
  • Publication number: 20080198286
    Abstract: The present invention relates to a liquid crystal display panel having a cell test structure and a method for making the same. The liquid crystal display panel includes a substrate having a plurality of first driving IC mounting areas, a plurality of first conductive wires located on the substrate, a plurality of second conductive wires that are parallel and interlaced with the first conductive wires, a first shorting bar connected to the first conductive wires and passing through all of the first driving IC mounting areas, and a second shorting bar connected to the second conductive wires and passing through all of the first driving IC mounting areas.
    Type: Application
    Filed: April 28, 2008
    Publication date: August 21, 2008
    Inventors: Hsin-Tai Wu, Chao-Liang Lu, Chih-Hsiang Yang, Kuo-Chih Lee
  • Publication number: 20080174168
    Abstract: A composite rim includes a tire-receiving ring made of metal and a spoke-connecting ring made of plastic. The tire-receiving ring includes at least one dovetail formed on the bottom thereof and two sidewalls formed thereon. The spoke-connecting ring includes two brake-contacting members located tightly outside the sidewalls of the tire-receiving ring, a cross member formed between the brake-contacting members and at least one dovetail groove defined in the cross member for receiving the dovetail.
    Type: Application
    Filed: November 9, 2007
    Publication date: July 24, 2008
    Inventor: Chih-Hsiang YANG
  • Publication number: 20080165098
    Abstract: A driving circuit architecture of a liquid crystal display (LCD) is described. The driving circuit comprises a control circuit, a gate driving module and a data driving module. The control circuit generates a gate control signal and a data control signal. The gate driving circuit electrically coupled to the control circuit generates scanning signal according to the gate control signals. The data driving module electrically coupled to the control circuit is used to generate data driving signal according to data control signal. The data driving module comprises a plurality of different type of driving circuits.
    Type: Application
    Filed: June 25, 2007
    Publication date: July 10, 2008
    Applicant: AU Optronics Corp.
    Inventors: Chih-hsiang Yang, Sheng-kai Hsu
  • Publication number: 20080158797
    Abstract: In a display panel module, data driver chips are cascaded to one another and mounted on a display panel. A first flexible printed circuit (FPC) board is connected between a printed circuit board (PCB) and one end of the cascaded data driver chips for transmitting data signals to the data driver chips. A second FPC board is connected between the PCB and the cascaded data driver chips for transmitting power signals to the data driver chips.
    Type: Application
    Filed: February 14, 2007
    Publication date: July 3, 2008
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Sheng-Kai Hsu, Chih-Hsiang Yang
  • Patent number: 7388626
    Abstract: The present invention relates to a liquid crystal display panel having a cell test structure and a method for making the same. The liquid crystal display panel includes a substrate having a plurality of first driving IC mounting areas, a plurality of first conductive wires located on the substrate, a plurality of second conductive wires that are parallel and interlaced with the first conductive wires, a first shorting bar connected to the first conductive wires and passing through all of the first driving IC mounting areas, and a second shorting bar connected to the second conductive wires and passing through all of the first driving IC mounting areas.
    Type: Grant
    Filed: August 13, 2004
    Date of Patent: June 17, 2008
    Assignee: AU Optronics Corp.
    Inventors: Hsin-Tai Wu, Chao-Liang Lu, Chih-Hsiang Yang, Kuo-Chih Lee
  • Publication number: 20080138565
    Abstract: An elastic pad used in daily life is disposed in a backpack strap, a handbag handle or a sports backpack strap. The pad is composed of at least three longitudinal elastomers connected in parallel. Each elastomer has convex and concave portions arranged alternately. The convex direction of the convex portion and the concave direction of the concave portion are perpendicular to an extending direction of the elastomer and its adjacent elastomer. The convex portions and the concave portions of the adjacent elastomers are arranged alternately. The cross-sectional area of the longitudinal elastomer has a rectangular, circular, elliptic, triangular, pentagon, hexagonal or octagon shape. The convex portion has a convex arched shape, and the concave portion has a concave arched shape or tooth shape. A contact portion between the adjacent elastomers serves as a common portion to constitute an entity. Compared with the prior art, the invention is air-permeable and has the good buffer effect.
    Type: Application
    Filed: December 7, 2006
    Publication date: June 12, 2008
    Inventor: Chih-Hsiang Yang