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).

  • Patent number: 8199097
    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: April 15, 2009
    Date of Patent: June 12, 2012
    Assignee: AU Optronics Corp.
    Inventors: Chih-Sung Wang, Chih-Hsiang Yang, Chao-Liang Lu
  • Patent number: 8199096
    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: September 17, 2008
    Date of Patent: June 12, 2012
    Assignee: AU Optronics Corp.
    Inventors: Chih-Sung Wang, Chih-Hsiang Yang, Chao-Liang Lu
  • Patent number: 8194017
    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: April 8, 2009
    Date of Patent: June 5, 2012
    Assignee: AU Optronics Corp.
    Inventors: Chih-Sung Wang, Chih-Hsiang Yang, Chao-Liang Lu
  • Patent number: 8179495
    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: December 29, 2008
    Date of Patent: May 15, 2012
    Assignee: Au Optronics Corp.
    Inventors: Sheng-Kai Hsu, Chih-Hsiang Yang, Po-Yuan Liu
  • Patent number: 8179346
    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: Grant
    Filed: November 16, 2007
    Date of Patent: May 15, 2012
    Assignee: AU Optronics Corporation
    Inventors: Chun-Fan Chung, Sheng-Kai Hsu, Chih-Hsiang Yang
  • Publication number: 20120113163
    Abstract: A display IC chip includes a plurality of sides, a plurality of output terminals, two first color short-circuit lines, one second color short-circuit line, one third color short-circuit line, and conductive wires. The two first color short-circuit lines are parallel disposed in the IC chip and coupled to a first output terminal group of the output terminals. The second color short-circuit line is disposed between and parallel with the first color short-circuit lines. The second color short-circuit line is coupled to a second output terminal group of the output terminals. The third color short-circuit line is disposed between and parallel with the first color short-circuit lines. The third color short-circuit line is coupled to a third output terminal group of the output terminals. The conductive wires are coupled the first color short-circuit lines with the first output terminal group do not cross the second and third color short-circuit lines.
    Type: Application
    Filed: January 20, 2012
    Publication date: May 10, 2012
    Inventors: Sheng-Kai HSU, Chih-Hsiang Yang, Meng-Ying Hsieh
  • Patent number: 8162408
    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: Grant
    Filed: November 9, 2007
    Date of Patent: April 24, 2012
    Inventor: Chih-Hsiang Yang
  • Patent number: 8159436
    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: Grant
    Filed: April 16, 2008
    Date of Patent: April 17, 2012
    Assignee: Au Optronics Corp.
    Inventors: Ming-Hung Tu, Chih-Hsiang Yang
  • Patent number: 8144139
    Abstract: In a display panel module, a first group and a second group of data driver chips are separately cascaded on a first side of a display panel. A scan driver chip is disposed on a second side of the display panel. A first flexible printed circuit (FPC) is connected between a printed circuit board (PCB) and the display panel for transmitting signals to the first group of data driver chips, the second group of data driver chips and the scan driver chip, respectively.
    Type: Grant
    Filed: March 19, 2007
    Date of Patent: March 27, 2012
    Assignee: AU Optronics Corp.
    Inventors: Sheng-Kai Hsu, Chih-Hsiang Yang
  • Patent number: 8134525
    Abstract: A drive circuit includes a drive unit coupling with data lines for receiving at least one clock signal and a first enable signal to generate a drive signal to drive data lines, and a delay unit electrically coupled with the drive unit for receiving the clock signal and the first enable signal and generating a second enable signal falling subsequent to the first enable signal in a predetermined time interval.
    Type: Grant
    Filed: April 12, 2007
    Date of Patent: March 13, 2012
    Assignee: AU Optronics Corporation
    Inventors: Chih-Hsiang Yang, Ming-Hung Tu, Ke-Chih Chang
  • Publication number: 20110292027
    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: August 11, 2011
    Publication date: December 1, 2011
    Inventors: Chih-Hsiang Yang, Fu-Cheng Wei
  • Patent number: 8022923
    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: Grant
    Filed: November 14, 2007
    Date of Patent: September 20, 2011
    Assignee: AU Optronics Corp.
    Inventors: Chih-Hsiang Yang, Fu-Cheng Wei
  • Patent number: 7924260
    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: Grant
    Filed: February 12, 2008
    Date of Patent: April 12, 2011
    Assignee: AU Optronics Corp.
    Inventors: Ming-Hung Tu, Chih-Hsiang Yang
  • Publication number: 20110062507
    Abstract: A semiconductor device is provided. The semiconductor device includes a memory device, and the memory device includes a substrate, two stacked gates, two spacers, an insulating layer, and a dielectric layer. The stacked gates having a gap therebetween are located on the substrate. The spacers having a pipe or a seam therebetween are respectively located at sidewalls of each of the stacked gates in the gap. The pipe or the seam is filled with the insulating layer. The dielectric layer is located on the substrate and covers the insulating layer and the stacked gates.
    Type: Application
    Filed: September 15, 2009
    Publication date: March 17, 2011
    Applicant: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Tin-Wei Wu, Cheng-Ming Yih, Chih-Hsiang Yang
  • Patent number: 7903223
    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: Grant
    Filed: February 14, 2007
    Date of Patent: March 8, 2011
    Assignee: AU Optronics Corporation
    Inventors: Sheng-Kai Hsu, Chih-Hsiang Yang
  • Patent number: 7830351
    Abstract: An LCD gate driver circuitry having a control circuit to adjust the driving current according to a bias control signal, wherein the control circuit comprises a plurality of PMOS switching elements connected in parallel and a plurality of NMOS switching elements connected in parallel. These switching elements form a plurality of PMOS/NMOS switching element pairs. Each of the pairs serves as a current booster stage in the gate driver circuitry. The “ON”/“OFF” state of each switching element pair is controlled by a separate bias signal so that the switching element pairs can be selectively turned on in order to adjust the driver current as needed. As such, the same gate driver circuitry can be used with different LCD panels.
    Type: Grant
    Filed: October 11, 2005
    Date of Patent: November 9, 2010
    Assignee: Au Optronics Corporation
    Inventors: Chih-Sung Wang, Chih-Hsiang Yang, Yu-Min Hsu, Sheng-Kai Hsu
  • Patent number: 7605904
    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: April 28, 2008
    Date of Patent: October 20, 2009
    Assignee: AU Optronics Corp.
    Inventors: Hsin-Tai Wu, Chao-Liang Lu, Chih-Hsiang Yang, Kuo-Chih Lee
  • Publication number: 20090201240
    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: April 15, 2009
    Publication date: August 13, 2009
    Applicant: AU OPTRONICS CORP.
    Inventors: Chih-Sung Wang, Chih-Hsiang Yang, Chao-Liang Lu
  • Publication number: 20090201284
    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: April 8, 2009
    Publication date: August 13, 2009
    Applicant: AU OPTRONICS CORP.
    Inventors: Chih-Sung Wang, Chih-Hsiang Yang, Chao-Liang Lu
  • Publication number: 20090195531
    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: April 8, 2009
    Publication date: August 6, 2009
    Inventors: Chih-Sung Wang, Chih-Hsiang Yang, Chao-Liang Lu