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. 16, 2020
Filed:
May. 28, 2019
Applicant:
Koito Manufacturing Co., Ltd., Tokyo, JP;
Inventor:
Toshiaki Tsuda, Shizuoka, JP;
Assignee:
KOITO MANUFACTURING CO., LTD., Minato-ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21S 45/40 (2018.01); F21V 29/505 (2015.01); F21V 5/00 (2018.01); F21V 7/00 (2006.01); F21V 14/04 (2006.01);
U.S. Cl.
CPC ...
F21V 29/505 (2015.01); F21V 5/008 (2013.01); F21V 7/0083 (2013.01); F21V 14/04 (2013.01);
Abstract
A lamp unit includes a reflecting device in which a micromirror array is selectively driven to selectively reflect incident light, the micromirror array being an array of micromirrors arranged in a matrix; a projection lens that projects the light selectively reflected by the reflecting device, forward in a light distribution pattern; and a restraining portion configured to restrain external light incident on the projection lens from being condensed in a region other than the micromirror array to restrain an increase in a temperature of the region.