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. 12, 2019
Filed:
Sep. 28, 2017
Applicants:
Kohji Sakai, Tokyo, JP;
Miho Higuchi, Kanagawa, JP;
Jun Watanabe, Kanagawa, JP;
Inventors:
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B 3/00 (2006.01); G03B 29/00 (2006.01); G02B 27/01 (2006.01); G02B 27/48 (2006.01); B60K 35/00 (2006.01); G03B 21/20 (2006.01); G03B 21/00 (2006.01);
U.S. Cl.
CPC ...
G02B 3/0056 (2013.01); B60K 35/00 (2013.01); G02B 3/0031 (2013.01); G02B 3/0037 (2013.01); G02B 3/0043 (2013.01); G02B 27/0101 (2013.01); G02B 27/48 (2013.01); G03B 29/00 (2013.01); B60K 2350/1072 (2013.01); B60K 2350/2047 (2013.01); B60K 2350/2052 (2013.01); B60K 2350/2065 (2013.01); B60K 2350/352 (2013.01); G02B 2027/0114 (2013.01); G03B 21/008 (2013.01); G03B 21/2013 (2013.01); G03B 21/2033 (2013.01);
Abstract
A microlens array includes N lenses ranging from a 1lens to an Nlens and a lens arrangement area. N is a positive integer. The lens arrangement area has the N lenses arranged in array. The lens arrangement area receives light emitted from a light source. An i(i being 1to N) lens satisfies a conditional expression below:−20°≤θ≤20°