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:
Feb. 06, 2018
Filed:
May. 23, 2016
Applicant:
Jvc Kenwood Corporation, Yokohama-shi, Kanagawa, JP;
Inventor:
Masaru Segawa, Yokohama, JP;
Assignee:
JVC KENWOOD Corporation, Yokohama-shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/60 (2014.01); G03B 21/625 (2014.01); G03B 21/62 (2014.01); H04N 9/31 (2006.01); G02B 3/00 (2006.01); G02B 5/02 (2006.01); G02B 27/01 (2006.01); G03B 21/00 (2006.01); G03B 21/16 (2006.01); G03B 21/28 (2006.01);
U.S. Cl.
CPC ...
G03B 21/625 (2013.01); G02B 3/0006 (2013.01); G02B 3/0062 (2013.01); G02B 5/02 (2013.01); G02B 27/0101 (2013.01); G03B 21/006 (2013.01); G03B 21/16 (2013.01); G03B 21/62 (2013.01); H04N 9/315 (2013.01); H04N 9/3152 (2013.01); G02B 2027/0118 (2013.01); G03B 21/28 (2013.01);
Abstract
A transmission-type screen includes: a first lens array surface on which a plurality of first microlenses are arrayed; and a second lens array surface that is provided at a distance in a direction perpendicular to the first lens array surface and on which a plurality of second microlenses whose shape is different from the shape of the first microlenses are arrayed. A level line near a vertex is circular or elliptical in the first microlenses, and a level line near a vertex is elliptical with ellipticity different from the ellipticity of the level line of the first microlenses in the second microlenses.