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.

Date of Patent:
Jan. 07, 2025

Filed:

Jan. 29, 2021
Applicant:

Toyota Motor Engineering & Manufacturing North America, Inc., Plano, TX (US);

Inventors:

Debasish Banerjee, Ann Arbor, MI (US);

Songtao Wu, Ann Arbor, MI (US);

Hidetaka Asano, Nisshin, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/00 (2006.01); G02B 5/08 (2006.01); G02F 1/1333 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02B 5/003 (2013.01); G02B 5/0808 (2013.01); G02F 1/133345 (2013.01); G02F 1/1335 (2013.01);
Abstract

A five-layer thin film structure including a reflector, a high refractive index layer on or encapsulating the reflector, and a metallic iron absorber layer on or encapsulating the high refractive index layer. The reflector has a thickness from 10 nm to 5000 nm, the high refractive index layer has a thickness from 5 nm to 500 nm; and the metallic iron absorber layer has a thickness from greater than 0 nm to 50 nm.


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