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. 12, 2020
Filed:
Jul. 14, 2017
Applicant:
Toppan Printing Co., Ltd., Tokyo, JP;
Inventor:
Naoki Minamikawa, Tokyo, JP;
Assignee:
TOPPAN PRINTING CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03H 1/02 (2006.01); G02B 5/18 (2006.01); B42D 25/328 (2014.01); B42D 25/324 (2014.01); B42D 25/373 (2014.01); G02B 5/00 (2006.01); G02B 5/08 (2006.01); G01N 21/898 (2006.01); G01N 21/84 (2006.01); G01N 21/86 (2006.01);
U.S. Cl.
CPC ...
G02B 5/1876 (2013.01); B42D 25/324 (2014.10); B42D 25/328 (2014.10); B42D 25/373 (2014.10); G02B 5/008 (2013.01); G02B 5/085 (2013.01); G02B 5/18 (2013.01); G03H 1/02 (2013.01); G01N 21/898 (2013.01); G01N 2021/8438 (2013.01); G01N 2021/869 (2013.01);
Abstract
An optical element includes a conversion layer and a metal piece layer. The conversion layer is provided with a light-incidence surface including an uneven surface, the conversion layer being configured to receive light incident on the uneven surface and output the light from the uneven surface as light in a different state than the incident light. The metal piece layer is configured by a plurality of metal pieces to cover at least part of the uneven surface.