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.:

US 9654676 B1

PDF
Full Text
Expired
Date of Patent:
May. 16, 2017

Filed:

Jun. 11, 2015
Applicant:

Asahi Glass Company, Limited, Tokyo, JP;

Inventors:

Motoshi Nakayama, Koriyama, JP;

Takuji Nomura, Koriyama, JP;

Kensuke Ono, Koriyama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/225 (2006.01); G02B 1/113 (2015.01); G02B 1/115 (2015.01); G02B 5/00 (2006.01); G02B 5/20 (2006.01); G03B 9/02 (2006.01); G02B 13/00 (2006.01); G02B 1/14 (2015.01);
U.S. Cl.
CPC ...
H04N 5/2254 (2013.01); G02B 1/113 (2013.01); G02B 1/115 (2013.01); G02B 5/005 (2013.01); G02B 5/205 (2013.01); G03B 9/02 (2013.01); G02B 1/14 (2015.01); G02B 13/004 (2013.01); H04N 5/2257 (2013.01);
Abstract

An optical element in which transmittance of light monotonically decreases from a center portion toward a peripheral portion, includes a light absorbing portion, made of a material that absorbs a part of or all of visible light, formed at one surface of a transparent substrate such that its thickness monotonically increases from the center portion toward the peripheral portion; a light transmitting portion, made of a material that transmits visible light, formed on the light absorbing portion; and a transparent resin layer, made of a material that transmits visible light, formed at another surface of the transparent substrate, wherein each of the light absorbing portion, the light transmitting portion and the transparent resin layer is made of a resin material.


Find Patent Forward Citations

Nakayama, Motoshi. (2017). Optical element, optical system and imaging apparatus (U.S. Patent No. 9654676). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9654676

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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