US 7,597,447 B2
Color correcting contrast enhancement of displays
Brent D. Larson, Cave Creek, Ariz. (US); and Matthew B. Dubin, Tucson, Ariz. (US)
Assigned to Honeywell International Inc., Morristown, N.J. (US)
Filed on Jul. 14, 2004, as Appl. No. 10/891,715.
Prior Publication US 2006/0012754 A1, Jan. 19, 2006
Int. Cl. G03B 21/14 (2006.01)
U.S. Cl. 353—84  [359/443] 18 Claims
OG exemplary drawing
 
1. A visual display system comprising:
a light source having a fixed spectral output and specific spectral deficiencies;
a display screen having a viewing surface, said display screen configured to receive said fixed spectral output of said light source and further configured to emit a plurality of primary colors from said viewing surface; and
a colored polarizer positioned adjacent said viewing surface of said display screen, said colored polarizer configured to receive said plurality of primary colors and further configured to attenuate a first primary color of said plurality of primary colors more than a second primary color of said plurality of primary colors, based on the specific spectral deficiencies.