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:
Jan. 06, 2015
Filed:
Sep. 04, 2012
Yasuhiro Ukai, Aichi-ken, JP;
Hiroyasu Tahara, Aichi-ken, JP;
Takahiro Sugioka, Aichi-ken, JP;
Ryuuji Fukui, Aichi-ken, JP;
Yasuhiro Ukai, Aichi-ken, JP;
Hiroyasu Tahara, Aichi-ken, JP;
Takahiro Sugioka, Aichi-ken, JP;
Ryuuji Fukui, Aichi-ken, JP;
Toyota Boshoku Kabushiki Kaisha, Aichi-Ken, JP;
Toyota Shatai Kabushiki Kaisha, Aichi-Ken, JP;
Abstract
A lighting device includes a light source, an elongated panel member, an elongated light guide member provided to the panel member, a first light transmission portion provided in the panel member and through which the light from the light guide member transmits toward the first portion to be illuminated, and a second light transmission portion provided in the panel member to be farther away from the light source than the first light transmission portion and through which the light from the light guide member transmits toward the second portion to be illuminated, the second light transmission portion and the second portion extending along a longitudinal direction of the light exit portion. The light guide member and the second portion are provided to be closer to each other as they are farther away from the light source.