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:
Jun. 08, 2021
Filed:
Sep. 09, 2020
Toshiba Lighting & Technology Corporation, Yokosuka, JP;
Misaki Ueno, Ehime-ken, JP;
Toshiba Lighting & Technology Corporation, Yokosuka, JP;
Abstract
A vehicle lighting device according to an embodiment includes: a socket; a substrate that is provided on one end portion side of the socket; a frame portion that is provided on the substrate; at least one light-emitting element that is provided in a region on an inner side of the frame portion on the substrate; a sealing portion that is provided on an inner side of the frame portion and covers the light-emitting element; and an optical element that is provided on the sealing portion. An arithmetic-average roughness value of a first surface on the sealing portion side in the optical element is greater than an arithmetic-average roughness value of a second surface of the optical element on a side opposite to the first surface.