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:
Aug. 19, 1997
Filed:
May. 24, 1995
Applicant:
Inventor:
Michael M Wenyon, Boston, MA (US);
Assignee:
Polaroid Corporation, Cambridge, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G02F / ;
U.S. Cl.
CPC ...
359 15 ; 359 16 ; 349 64 ; 349 61 ; 349112 ; 349113 ;
Abstract
Reflective image-providing displays viewed with holographically diffused light are provided. As one particular and preferred embodiment, a liquid crystal display component is presented comprising a liquid crystal display element backed with a reflective transmission holographic diffuser. Images of good contrast may be displayed and viewed from the liquid crystal display component under ambient lighting conditions and without further requirement of supplemental light sources, such as edge-lighting and backlighting.