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.:

US 6900941 B1

PDF
Full Text
Expired
Date of Patent:
May. 31, 2005

Filed:

May. 16, 2002
Applicants:

Cheryl J. Kaminsky, Rochester, NY (US);

Robert P. Bourdelais, Pittsford, NY (US);

John M. Pochan, Penfield, NY (US);

Inventors:

Cheryl J. Kaminsky, Rochester, NY (US);

Robert P. Bourdelais, Pittsford, NY (US);

John M. Pochan, Penfield, NY (US);

Assignee:

Eastman Kodak Company, Rochester, NY (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B005/02 ;
U.S. Cl.
CPC ...
Abstract

The invention provides a light diffuser comprising a macro diffusion efficiency variation wherein at least part of the diffuser is colored. The invention also provides light diffuser comprising a macro diffusion efficiency variation wherein at least part of the diffuser is colored for rear projection displays, back-lighted imaging media, and a liquid crystal display component and device. The invention further provides a process for preparing such a diffuser.


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