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:
Oct. 10, 2000
Filed:
Dec. 10, 1998
Applicant:
Inventor:
Keith Tognoni, Duluth, GA (US);
Assignee:
L-3 Communications Corporation, Alpharetta, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V / ;
U.S. Cl.
CPC ...
362295 ; 362231 ; 362 31 ; 362260 ;
Abstract
A backlight for a flat panel display includes a light-combining wedge which combines light from multiple light sources before sending it through the flat panel display, with the light-combining wedge receiving light from two lamps, with each of the lamps producing a different color of light. A control element is used to vary the luminance of one of the lamps relative to the other to allow for an adjustable mixing of colors and thus provides an adjustable white balance.