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:
Dec. 31, 2019

Filed:

Aug. 03, 2018
Applicant:

Koito Manufacturing Co., Ltd., Tokyo, JP;

Inventors:

Eiji Matsubara, Shizuoka, JP;

Mamoru Kosuge, Shizuoka, JP;

Akinori Yamamoto, Shizuoka, JP;

Asami Sakashita, Shizuoka, JP;

Assignee:

KOITO MANUFACTURING CO., LTD., Minato-Ku, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21S 41/24 (2018.01); F21S 41/32 (2018.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
F21S 41/24 (2018.01); F21S 41/32 (2018.01); G02B 6/0073 (2013.01); G02B 6/0095 (2013.01); B60Q 2400/20 (2013.01);
Abstract

A light guide for a vehicle lamp includes a rod-shaped portion and a plate-shaped portion. The rod-shaped portion includes a rod-shaped light guide portion and a connecting projection portion projecting from a peripheral surface of the rod-shaped light guide portion and extending along the rod-shaped light guide portion. The plate-shaped portion includes two principal surfaces facing opposite to each other and a plate-shaped portion side surface connecting the two principal surfaces. The light guide is a multi-color molded product in which the rod-shaped portion is formed of a first resin material and the plate-shaped portion is formed of a second resin material containing a light diffusing agent. The rod-shaped light guide portion is connected to the side surface of the plate-shaped portion by the connecting projection portion.


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