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:
Nov. 11, 2003
Filed:
May. 05, 2000
Applicant:
Inventor:
Kevin L. Walsh, Norcross, GA (US);
Assignee:
L3 Communications Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 ; G02F 1/1347 ;
U.S. Cl.
CPC ...
G02F 1/1335 ; G02F 1/1347 ;
Abstract
A backlit LCD display apparatus includes an LCD display panel, a light source for backlighting the LCD display panel, a loss-less polarizing element positioned between the backlight and the LCD display panel, and a dimmer device in the form of a twisted nematic LCD cell positioned between the polarizing element, and the LCD display panel