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:
Oct. 15, 2019
Filed:
Oct. 21, 2015
Applicant:
Oji Holdings Corporation, Tokyo, JP;
Inventors:
Koki Hongo, Tokyo, JP;
Kei Shinotsuka, Tokyo, JP;
Assignee:
OJI HOLDINGS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/00 (2006.01); G02B 1/118 (2015.01); G02B 1/14 (2015.01);
U.S. Cl.
CPC ...
G02B 1/118 (2013.01); G02B 1/14 (2015.01);
Abstract
An optical element having, on one surface thereof, multiple recessed sections arranged at a most frequent pitch equal to or less than the wavelength of light in the operating environment, the optical element having, when seen in plan view, multiple domains in which the multiple recessed sections are aligned in a predetermined arrangement, and, multiple protruding sections formed in a region sandwiched between the multiple domains and/or in a region surrounded by the multiple recessed sections inside the domains, the multiple protruding sections accounting for a surface area ratio of 1%-15% as seen in plan view.