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:
Mar. 15, 2005
Filed:
Oct. 24, 2002
Applicants:
Kumpei Oda, Shinjuku-ku, JP;
Humihiro Arakawa, Shinjuku-ku, JP;
Keiji Kashima, Shinjuku-ku, JP;
Inventors:
Assignee:
Dai Nippon Printing Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B025/02 ; G02B027/10 ;
U.S. Cl.
CPC ...
Abstract
A display apparatus has a lens sheet with a plurality of unit columnar lenses arranged so as to be parallel to one another, and is disposed on the observation side of a display panel, spaced therefrom by a layer of air. The direction of the ridge lines of the unit columnar lenses of the lens sheet, seen from the observation side, are non-parallel to the direction of an edge of the display panel.