Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
HEADLIGHT DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/218624
Kind Code:
A1
Abstract:
In the present invention, a headlight device (100) comprises: a first light source (1) for low beam; a second light source (2) for high beam; and a projection optical member (3) into which the light directed from the first light source (1) and the light directed from the second light source (2) enter, said projection optical member (3) having an emission surface (36) via which the light exits. The projection optical member (3) is provided with a first entry surface (31) through which the light from the first light source (1) enters, a second entry surface (32) through which light from the second light source (2) enters, a first reflection surface (33) that reflects light having entered through the first entry surface (31) toward the emission surface (36), and a second reflection surface (34) that reflects light having entered through the second entry surface (32) toward the emission surface (36). The second entry surface (32) is provided with a condenser.

Inventors:
NISHIMURA MASATOSHI (JP)
Application Number:
PCT/JP2022/020161
Publication Date:
November 16, 2023
Filing Date:
May 13, 2022
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F21S41/27
Domestic Patent References:
WO2016006138A12016-01-14
WO2018003888A12018-01-04
Foreign References:
JP2015509647A2015-03-30
DE102019118051A12021-01-07
Attorney, Agent or Firm:
YAMAGATA Yoichi et al. (JP)
Download PDF: