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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 10705258 B1

PDFFull Text
Date of Patent:
Jul. 07, 2020

Filed:

Feb. 06, 2018

Antireflection film, optical device, and production method for antireflection film

Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventor:

Kazuyuki Miyashita, Shiojiri, JP;

Assignee:

Seiko Epson Corporation, , JP;

Attorney:

Harness, Dickey & Pierce, P.L.C.

Primary Examiner:

Nicholas R Pasko

Int. Cl.
CPC ...
G02B 1/115 (2015.01); G02B 26/10 (2006.01); G02B 7/182 (2006.01); G02B 26/08 (2006.01); G02B 5/00 (2006.01); G02B 27/10 (2006.01); G02B 27/14 (2006.01);
U.S. Cl.
CPC ...
G02B 1/115 (2013.01); G02B 5/003 (2013.01); G02B 7/1821 (2013.01); G02B 26/085 (2013.01); G02B 26/10 (2013.01); G02B 26/101 (2013.01); G02B 27/104 (2013.01); G02B 27/141 (2013.01);
Abstract

An antireflection film includes a light shielding layer which is placed on a substrate and contains an electrical conductor, a first transmission layer which is placed on the light shielding layer and contains a dielectric, a semi-transmission layer which is placed on the first transmission layer and contains an electrical conductor, and a second transmission layer which is placed on the semi-transmission layer and contains a dielectric, wherein the light shielding layer and the semi-transmission layer have a larger extinction coefficient than the first transmission layer and the second transmission layer.

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Miyashita, Kazuyuki. (2020). Antireflection film, optical device, and production method for antireflection film (U.S. Patent No. 10705258). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10705258

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