发明名称 Lighting apparatus and automobile including the same
摘要 A lighting apparatus includes: a light guide which is tubular and includes a light entry portion in one end in a tube axis direction; and a light source arranged corresponding to the light entry portion. The light entry portion includes a light redirecting portion which changes a traveling direction of light entering from the first light source to a direction that is substantially parallel to the tube axis direction of the light guide. The light guide includes: plural light-emitting faces which are ring-shaped and formed concentrically in the other end in the tube axis direction of the light guide; and a non light-emitting face which is wall-like and formed along the tube axis direction of the light guide, at a border of adjacent ones of the light-emitting faces.
申请公布号 US9557027(B2) 申请公布日期 2017.01.31
申请号 US201514607557 申请日期 2015.01.28
申请人 Panasonic Intellectual Property Management Co., Ltd. 发明人 Kai Makoto;Kanayama Yoshihiko;Aoki Hiro;Ogata Tomoyuki
分类号 F21V5/00;F21S8/10;B60Q1/00;B60Q1/20;F21V8/00 主分类号 F21V5/00
代理机构 Renner, Otto, Boisselle & Sklar, LLP 代理人 Renner, Otto, Boisselle & Sklar, LLP
主权项 1. A lighting apparatus comprising: a light guide which is tubular and includes a light entry portion in one end in a tube axis direction; and a first light source arranged corresponding to the light entry portion, wherein the light entry portion includes a light redirecting portion which changes a traveling direction of light entering from the first light source to a direction that is substantially parallel to the tube axis direction of the light guide, and the light guide includes: a plurality of light-emitting faces which are ring-shaped and formed concentrically in an other end in the tube axis direction of the light guide; and a non light-emitting face which is wall-like and formed along the tube axis direction of the light guide, at a border of adjacent ones of the plurality of light-emitting faces.
地址 Osaka JP