Patents by Inventor Xiao-fan Feng

Xiao-fan Feng 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).

  • Methods and Systems for Display Correction
    Publication number: 20100008591
    Abstract: Aspects of the present invention are related to systems and methods for compression of display non-uniformity correction data and use of compressed display non-uniformity correction data.
    Type: Application
    Filed: July 9, 2008
    Publication date: January 14, 2010
    Inventors: Yeping Su, Xiao-Fan Feng, Hao Pan, Yasuo Ozawa
  • Methods and Systems for Reduced Flickering and Blur
    Publication number: 20090295706
    Abstract: Elements of the present invention relate to systems and methods for generating, modifying and applying backlight array driving values.
    Type: Application
    Filed: May 29, 2008
    Publication date: December 3, 2009
    Inventor: Xiao-Fan Feng
  • Liquid crystal display with adaptive color
    Patent number: 7623105
    Abstract: A system for modifying images to be shown on displays that have display characteristics dependant on the angle at which a displayed image is viewed. An image may be modified by detecting the position of a viewer relative to a display and based on the detected position, correcting the image.
    Type: Grant
    Filed: November 19, 2004
    Date of Patent: November 24, 2009
    Assignee: Sharp Laboratories of America, Inc.
    Inventors: Baoxin Li, Xiao-Fan Feng, Scott J. Daly, M. Ibrahim Sezan, Petrus J. L. van Beek, Hao Pan
  • Liquid crystal display with modulated black point
    Patent number: 7612757
    Abstract: A backlit display with improved dynamic range. The disclosed display illuminates a pixel of the display at respective non-zero illumination levels during each of a first frame and a second frame and decreases the illumination level of the pixel during the interval between the first frame and the second frame.
    Type: Grant
    Filed: October 15, 2004
    Date of Patent: November 3, 2009
    Assignee: Sharp Laboratories of America, Inc.
    Inventors: Xiao-fan Feng, Scott J. Daly
  • Liquid crystal display with colored backlight
    Publication number: 20090262067
    Abstract: A method of backlighting a liquid crystal display so as to improve the quality of the image displayed by the liquid crystal display. The method may vary the luminance of a light source illuminating a plurality of displayed pixels and vary the transmittance of a light valve of the display.
    Type: Application
    Filed: June 19, 2009
    Publication date: October 22, 2009
    Inventors: Xiao-fan Feng, Scott J. Daly, Dean Messing
  • Liquid crystal display with colored backlight
    Patent number: 7602369
    Abstract: A method of backlighting a liquid crystal display so as to improve the quality of the image displayed by the liquid crystal display. The method may vary the luminance of a light source illuminating a plurality of displayed pixels and vary the transmittance of a light valve of the display.
    Type: Grant
    Filed: October 15, 2004
    Date of Patent: October 13, 2009
    Assignee: Sharp Laboratories of America, Inc.
    Inventors: Xiao-fan Feng, Scott J. Daly, Dean Messing
  • LIQUID CRYSTAL DISPLAY WITH MODULATED BLACK POINT
    Publication number: 20090184918
    Abstract: A backlit display with improved dynamic range.
    Type: Application
    Filed: March 27, 2009
    Publication date: July 23, 2009
    Applicant: Sharp Laboratories of America, Inc.
    Inventors: Xiao-fan Feng, Scott J. Daly
  • Methods and systems for adaptive dither pattern processing
    Patent number: 7554555
    Abstract: Embodiments of the present invention comprise methods and systems for adaptive dither pattern array generation and application.
    Type: Grant
    Filed: June 15, 2006
    Date of Patent: June 30, 2009
    Assignee: Sharp Laboratories of America, Inc.
    Inventors: Scott J. Daly, Xiao-fan Feng
  • Methods and Systems for Efficient White Balance and Gamma Control
    Publication number: 20090128578
    Abstract: Elements of the present invention relate to systems and methods for determining device white point and gamma correction curve characteristics.
    Type: Application
    Filed: November 15, 2007
    Publication date: May 21, 2009
    Inventor: Xiao-Fan Feng
  • Liquid crystal display with filtered black point
    Patent number: 7532192
    Abstract: A backlit display that displays an image having a luminance that is separated into a transmission component driving liquid crystal material and an illumination component driving a backlight, where the transmission component comprises at least 60% of the image luminance and the illumination component comprises less than 30% of the image luminance.
    Type: Grant
    Filed: October 15, 2004
    Date of Patent: May 12, 2009
    Assignee: Sharp Laboratories of America, Inc.
    Inventors: Xiao-fan Feng, Scott J. Daly
  • Methods and Systems for Image Enhancement
    Publication number: 20090109233
    Abstract: Embodiments of the present invention relate to systems and methods for image enhancement. Some embodiments comprise color detection, color mapping and differential processing based on color characteristics. Some embodiments comprise tonescale processing. Some embodiments comprise application of dither pattern noise to an image to reduce contouring artifacts.
    Type: Application
    Filed: October 30, 2007
    Publication date: April 30, 2009
    Inventors: Louis J. Kerofsky, Xiao-Fan Feng, Hao Pan, Scott J. Daly
  • Technique that preserves specular highlights
    Patent number: 7525528
    Abstract: A method for displaying an image on a liquid crystal display that includes a plurality of light emitting elements and a light valve. A image signal is received and a first light emitting element is illuminated based upon a substantial maximum of a non-uniform image signal in a first region. A second light emitting element is illuminated based upon a substantial maximum of a non-uniform image signal in a second region including, where the first and second light emitting elements are simultaneously illuminated.
    Type: Grant
    Filed: September 22, 2005
    Date of Patent: April 28, 2009
    Assignee: Sharp Laboratories of America, Inc.
    Inventor: Xiao-Fan Feng
  • Correction of visible mura distortions in displays by use of flexible system for memory resources and mura characteristics
    Publication number: 20090096729
    Abstract: A display that includes at least one gray level being provided to a plurality of pixels that illuminates each of the pixels with the gray level. The display applies interpolated corrective data for the pixels so as to reduce the mura effects of said display for those characteristics generally visible by the human visual system and so as not to reduce the mura effects of the display for those characteristics generally not visible by the human visual system.
    Type: Application
    Filed: January 11, 2008
    Publication date: April 16, 2009
    Inventors: Yasuo Ozawa, Scott J. Daly, Xiao-Fan Feng
  • Virtual solar liquid crystal window
    Publication number: 20090079907
    Abstract: A display system includes a building, a wall enclosed within the building, and a light guide directing light from the exterior of the building to the wall within the building. A display is supported proximate the wall where the display includes a liquid crystal layer and not including a backlight. The light guide directing the light to the liquid crystal layer is in such a manner that the combination of the light and the liquid crystal layer results in an image displayed thereon.
    Type: Application
    Filed: September 20, 2007
    Publication date: March 26, 2009
    Inventors: Xiao-Fan Feng, Scott J. Daly
  • Liquid crystal display with reduced black level insertion
    Patent number: 7505018
    Abstract: A backlit display with improved dynamic range.
    Type: Grant
    Filed: October 15, 2004
    Date of Patent: March 17, 2009
    Assignee: Sharp Laboratories of America, Inc.
    Inventors: Xiao-fan Feng, Scott J. Daly
  • Methods and Systems for Adaptive Image Data Compression
    Publication number: 20090051694
    Abstract: Aspects of the present invention relate to methods and systems for processing image data for use on LCD displays. Some aspects relate to an adaptive image compression techniques for liquid crystal display systems. Some aspects relate to systems and methods wherein varying degrees of compression are applied based on memory availability.
    Type: Application
    Filed: November 1, 2008
    Publication date: February 26, 2009
    Inventors: Hao Pan, Xiao-Fan Feng
  • Enhancing the quality of decoded quantized images
    Publication number: 20080298711
    Abstract: A system for image enhancement and, more particularly, a system for enhancing the quality of a quantized image.
    Type: Application
    Filed: August 5, 2008
    Publication date: December 4, 2008
    Inventors: Scott J. Daly, Xiao-fan Feng
  • Methods and systems for processing image data for display on LC displays
    Patent number: 7460131
    Abstract: Embodiments of the present invention comprise methods and systems for processing image data for use on LCD displays.
    Type: Grant
    Filed: May 4, 2005
    Date of Patent: December 2, 2008
    Assignee: Sharp Laboratories of America, Inc.
    Inventors: Hao Pan, Xiao-Fan Feng
  • Enhancing the quality of decoded quantized images
    Patent number: 7424168
    Abstract: A system for image enhancement and, more particularly, a system for enhancing the quality of a quantized image.
    Type: Grant
    Filed: December 24, 2003
    Date of Patent: September 9, 2008
    Assignee: Sharp Laboratories of America, Inc.
    Inventors: Scott J. Daly, Xiao-fan Feng
  • Liquid crystal display with area adaptive backlight
    Publication number: 20080129677
    Abstract: A backlight display has improved display characteristics. An image is displayed on the display which includes a liquid crystal material with a light valve. The display receives an image signal and modifies the light for a backlight array and a liquid crystal layer.
    Type: Application
    Filed: November 30, 2006
    Publication date: June 5, 2008
    Inventors: Feng Li, Xiao-Fan Feng