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. 28, 2019
Filed:
Dec. 27, 2017
Koito Manufacturing Co., Ltd., Tokyo, JP;
Hiroki Shibata, Shizuoka, JP;
KOITO MANUFACTURING CO., LTD., Tokyo, JP;
Abstract
A vehicle lighting device configured to be disposed on a vehicle has a support board, a light source that is disposed on a front surface of the support board and that comprises a light emitting surface, a projection lens that faces the light emitting surface and that is disposed so that at least a part of light emitted from the light source passes through the projection lens, a drive circuit board that is disposed directly behind the support board and that comprises a circuit to control switching of the light source on and off, and a housing that supports the light source and the drive circuit board and that defines a part of a lamp chamber which houses the projection lens. A passage and a ventilation portion are formed in the housing. A power supply line to supply power to the circuit passes through the passage.