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Title:
VEHICULAR LAMP
Document Type and Number:
WIPO Patent Application WO/2018/043663
Kind Code:
A1
Abstract:
The invention comprises a first light source (3) emitting light forming a first light distribution pattern, a second light source (4) emitting light forming a second light distribution pattern that is added to the first light distribution pattern, and a first light guide lens (5) disposed to the lamp front relative to the first light source (3). The first light guide lens (5) has a first entrance surface portion (51) wherethrough the light emitted from the first light source (3) enters, a total reflection surface portion (55) whereby at least some of the light that has entered from the first entrance surface portion into the first light guide lens (5) is totally reflected, and a first exit surface portion (53) wherefrom the light that has been totally reflected by the total reflection surface portion (55) is emitted toward the lamp front. At least some of the light emitted from the second light source (4) passes through the total reflection surface portion (55), passes through the interior of the first light guide lens (5), and is emitted from the first exit surface portion (53) toward the lamp front.

Inventors:
KAWAI Hiroki (Shizuoka Plant, 500, Kitawaki, Shimizu-ku, Shizuoka-sh, Shizuoka 64, 〒4248764, JP)
TAKADA Kenichi (Shizuoka Plant, 500, Kitawaki, Shimizu-ku, Shizuoka-sh, Shizuoka 64, 〒4248764, JP)
SAKURAI Kazutoshi (Shizuoka Plant, 500, Kitawaki, Shimizu-ku, Shizuoka-sh, Shizuoka 64, 〒4248764, JP)
NOZUE Shuhei (Shizuoka Plant, 500, Kitawaki, Shimizu-ku, Shizuoka-sh, Shizuoka 64, 〒4248764, JP)
HANADA Akira (Shizuoka Plant, 500, Kitawaki, Shimizu-ku, Shizuoka-sh, Shizuoka 64, 〒4248764, JP)
MATSUMOTO Akinori (Shizuoka Plant, 500, Kitawaki, Shimizu-ku, Shizuoka-sh, Shizuoka 64, 〒4248764, JP)
KAGIYAMA Shinji (Shizuoka Plant, 500, Kitawaki, Shimizu-ku, Shizuoka-sh, Shizuoka 64, 〒4248764, JP)
HONDA Takahiko (Shizuoka Plant, 500, Kitawaki, Shimizu-ku, Shizuoka-sh, Shizuoka 64, 〒4248764, JP)
Application Number:
JP2017/031425
Publication Date:
March 08, 2018
Filing Date:
August 31, 2017
Export Citation:
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Assignee:
KOITO MANUFACTURING CO., LTD. (8-3 Takanawa 4-chome, Minato-ku Tokyo, 11, 〒1088711, JP)
International Classes:
F21V5/00; F21V5/02; F21V5/04; F21Y115/10
Attorney, Agent or Firm:
SHIN-EI PATENT FIRM, P.C. (Toranomon East Bldg. 8F, 7-13 Nishi-Shimbashi 1-chome, Minato-k, Tokyo 03, 〒1050003, JP)
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