LAMP UNIT AND VEHICLE LIGHTING TOOL

Provided are a lamp unit that can form an irradiation pattern on a road surface almost without tilting an inclination of a lamp unit axis with respect to the road surface, and a vehicle lighting tool using the lamp unit. A lamp unit includes: a light source; a condenser lens that condenses light fro...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	OKUBO, Yasuhiro
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO USESOR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS LIGHTING MECHANICAL ENGINEERING NON-PORTABLE LIGHTING DEVICES SYSTEMS THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS
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Beschreibung
Zusammenfassung:	Provided are a lamp unit that can form an irradiation pattern on a road surface almost without tilting an inclination of a lamp unit axis with respect to the road surface, and a vehicle lighting tool using the lamp unit. A lamp unit includes: a light source; a condenser lens that condenses light from the light source; a light-shielding member (shade) provided with an irradiation slit through which the light condensed by the condensing lens partially passes; and a projection lens that projects the light that passes through the light-shielding member (shade) to form an irradiation pattern, which are arranged along a lamp unit axis. The projection lens has a reference focus set on the lamp unit axis, and is disposed at such a position rotated downward about the reference focus, and a projection lens axis is directed further downward than the lamp unit axis.