The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 01, 2004
Filed:
Jul. 25, 2001
Applicant:
Inventors:
John Karl Waterman, Mesa, AZ (US);
Russell Flack, Scottsdale, AZ (US);
Terry Klein, Averill Park, NY (US);
Andreas Grubert, Houston, TX (US);
Assignee:
Brillian Corporation, Tempe, AZ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/36 ;
U.S. Cl.
CPC ...
G09G 3/36 ;
Abstract
A matrix of liquid crystal pixels ( ) is provided. A digital-to-analog converter (DAC) ( ) is coupled to the matrix and produces an output voltage that can be applied to one or more pixels in the matrix. The DAC ( ) receives a multi-bit digital input and generates its output voltage to correspond to the digital input. The conversion function of the DAC is adapted to have a higher resolution within a voltage range in which most grayshade changes of the LCD occur.