Title:
LAMP UNIT
Document Type and Number:
WIPO Patent Application WO/2021/157495
Kind Code:
A1
Abstract:
This lamp unit is configured to radiate light, frontward of the unit via a projection lens (72), that comes from a light source (52) and that has been reflected by a spatial light modulator (30). In this case, of three lenses, a first lens (72A) to a third lens (72C), constituting the projection lens (72), the third lens (72C) located on a rearmost side of the unit is configured by a glass lens, and the other lenses are configured by resin lenses.
Inventors:
SATO RYUHO (JP)
HONDA TAKAHIKO (JP)
HONDA TAKAHIKO (JP)
Application Number:
PCT/JP2021/003404
Publication Date:
August 12, 2021
Filing Date:
January 29, 2021
Export Citation:
Assignee:
KOITO MFG CO LTD (JP)
International Classes:
G02B13/00; F21S41/25; F21S41/29; F21V5/00; F21V7/00; F21V14/04; F21V17/00; G02B7/02; F21W103/60; F21Y105/16; F21Y115/10
Foreign References:
| JP2016091976A | 2016-05-23 | |||
| JP2018014285A | 2018-01-25 | |||
| JP2007052957A | 2007-03-01 | |||
| JP2016120770A | 2016-07-07 |
Attorney, Agent or Firm:
SHIN-EI PATENT FIRM, P.C. (JP)
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