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:
May. 20, 2008
Filed:
Nov. 27, 2006
Applicants:
Yukio Miyaki, Kanagawa, JP;
Hiroyuki Kiso, Miyagi, JP;
Yumi Haga, Miyagi, JP;
Tsutomu Nagahama, Miyagi, JP;
Inventors:
Yukio Miyaki, Kanagawa, JP;
Hiroyuki Kiso, Miyagi, JP;
Yumi Haga, Miyagi, JP;
Tsutomu Nagahama, Miyagi, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/60 (2006.01); G03B 21/56 (2006.01); G02B 27/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lens sheet, transmission screen, and a rear projection display are provided. The lens sheet includes fly-eye lens elements periodically arranged on one side of a transparent base, wherein the lens elements are composed of a UV-curing type resin, and the storage elastic modulus at a reference temperature of 25° C. and a frequency of 10Hz, in a master curve obtained from measurement of dynamic viscoelasticity of the resin, ranges from 1×10Pa to 1×10Pa.