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. 10, 1998
Filed:
May. 28, 1996
Applicant:
Inventors:
Assignee:
Smartlight Ltd, Haifa, IL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
349 61 ; 40361 ; 345102 ;
Abstract
A transparency viewing device including a faceplate adapted for mounting at least one transparency thereon, an LCD array having a given chromaticity underlying the faceplate, a source of backlighting for the LCD array having a variable chromaticity and a controller which controls the chromaticity of the backlighting source based on the chromaticity of the light passing through the film and the LCA.