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. 17, 2022
Filed:
Mar. 12, 2018
Sharp Kabushiki Kaisha, Sakai, JP;
Geomatec Co., Ltd., Yokohama, JP;
Hidekazu Hayashi, Sakai, JP;
Hiroyuki Sugawara, Kurihara, JP;
SHARP KABUSHIKI KAISHA, Sakai, JP;
GEOMATEC CO., LTD., Kanagawa, JP;
Abstract
An optical device case (A) of an embodiment includes: a light-transmitting window member (A); and a housing () which has a space for accommodating a light-receiving element and/or a light-emitting element (OE), wherein the window member (A) includes a light-transmitting member (), a polymer film () provided on an outer surface of the light-transmitting member (), the polymer film () having a moth-eye structure at its surface, a contact angle of the surface with respect to water being not less than 140°, and a resistance heater () provided on an inner surface of the light-transmitting member ().