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:
Nov. 21, 2023

Filed:

Jul. 27, 2018
Applicant:

3m Innovative Properties Company, St. Paul, MN (US);

Inventors:

Yuji Saito, Kanagawa, JP;

Noboru Iwata, Tokyo, JP;

Atsushi Ono, Tokyo, JP;

Kentaro Tamura, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); G02B 5/20 (2006.01); G02B 5/30 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0101 (2013.01); G02B 5/208 (2013.01); G02B 5/3033 (2013.01); G02B 5/3083 (2013.01); G02B 2027/0118 (2013.01);
Abstract

A display device according to one aspect of the present invention includes: a display unit configured to have display information and emits visible light having a continuous spectrum; an infrared cut-off part configured to transmit the visible light from the display unit and to reduce the amount of infrared light striking the display unit; and a reflecting part configured to reflect the visible light having passed through the infrared cut-off part. The infrared cut-off part includes a first polymer film and a second polymer film, the first polymer film includes an infrared cut-off layer configured to reduce infrared light transmission, and the second polymer film includes a high-retardation polyester film and is disposed between the first polymer film and the display unit.


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