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Patent Searching and Data


Title:
INDICATOR LAMP, VEHICLE INDICATOR LAMP WITH SAID INDICATOR LAMP, VEHICLE EXTERIOR MEMBER, AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2021/059740
Kind Code:
A1
Abstract:
An indicator lamp according to the present invention comprises: a lamp body; a light source unit disposed inside the lamp body; and a light-transmitting resin member disposed at a position at which light emitted from the light source unit is transmitted and emitted from the lamp body. The indicator lamp can be provided, which shows a reddish chromatic hue to exhibit the presence thereof when a light source is turned on, and shows a blackish hue to provide an excellent design when the light source is turned off, and in which: the light source unit emits red light having a maximum light intensity of 600 nm to 700 nm; the light-transmitting resin member has a transmittance of at least 90% for light having a wavelength of 675 nm, and a total light transmittance of at least 5% when an L* value is 35 or less and the optical path length of light passing therethrough is 2 mm.

Inventors:
SASAKI YU (JP)
NAKAYAMA TATSUOMI (JP)
HIRATA YUSUKE (JP)
MARUTANI TAKAO (JP)
SAWADA TADAYOSHI (JP)
Application Number:
PCT/JP2020/029287
Publication Date:
April 01, 2021
Filing Date:
July 30, 2020
Export Citation:
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Assignee:
NISSAN MOTOR (JP)
MITSUBISHI CHEM CORP (JP)
International Classes:
F21S43/14; F21S43/20; F21W103/00; F21W103/20; F21W103/35; F21Y115/10
Foreign References:
JP2000149615A2000-05-30
JP2002110105A2002-04-12
JP2010228128A2010-10-14
Attorney, Agent or Firm:
MATOBA, Motonori (JP)
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