LIGHTING UNIT FOR VEHICLE LAMP
First Claim
1. A lighting unit for a vehicle lamp, comprising:
- a lens body including an incident surface, a light exit surface, and a reflecting surface configured to internally reflect light having entered the lens body through the incident surface, toward the light exit surface, the lens body having a rear focus; and
a horizontally long light-emitting section having an optical axis and disposed at or substantially near the rear focus of the lens body to emit light that enters an inside of the lens body through the incident surface and is internally reflected by the reflecting surface before exiting through the light exit surface, whereinthe reflecting surface has at least two V-grooves formed so as to extend along a plane including the optical axis of the horizontally long light-emitting section, the V-grooves being disposed adjacent to each other in a circumferential direction of the reflecting surface.
1 Assignment
0 Petitions
Accused Products
Abstract
A lighting unit for a vehicle lamp, can include a lens body including an incident surface, a light exit surface, and a reflecting surface configured to internally reflect light having entered the lens body through the incident surface, toward the light exit surface; and a horizontally long light-emitting section disposed at or substantially near a rear focus of the lens body to emit light that enters an inside of the lens body through the incident surface and is internally reflected by the reflecting surface before exiting through the light exit surface. The reflecting surface has at least two V-grooves formed so as to extend along a plane including an optical axis of the horizontally long light-emitting section, the V-grooves being disposed adjacent to each other in a circumferential direction of the reflecting surface. The lighting unit can form horizontally long projected light source images regardless of light exit positions.
5 Citations
7 Claims
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1. A lighting unit for a vehicle lamp, comprising:
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a lens body including an incident surface, a light exit surface, and a reflecting surface configured to internally reflect light having entered the lens body through the incident surface, toward the light exit surface, the lens body having a rear focus; and a horizontally long light-emitting section having an optical axis and disposed at or substantially near the rear focus of the lens body to emit light that enters an inside of the lens body through the incident surface and is internally reflected by the reflecting surface before exiting through the light exit surface, wherein the reflecting surface has at least two V-grooves formed so as to extend along a plane including the optical axis of the horizontally long light-emitting section, the V-grooves being disposed adjacent to each other in a circumferential direction of the reflecting surface. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification
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- Resources
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Current AssigneeStanley Electric Company Limited
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Original AssigneeStanley Electric Company Limited
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InventorsNakaya, Yoshiaki
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Application NumberUS14/255,540Publication NumberTime in Patent OfficeDaysField of SearchUS Class Current362/516CPC Class CodesF21S 41/143 the main emission direction...F21S 41/151 arranged in one or more linesF21S 41/255 Lenses with a front view of...F21S 41/27 Thick lensesF21S 41/285 Refractors, transparent cov...F21S 41/321 the reflector being a surfa...F21S 41/322 the reflector using total i...F21S 45/47 Passive cooling, e.g. using...F21V 5/04 of lens shapeF21V 7/0091 using total internal reflec...F21Y 2103/10 comprising a linear array o...F21Y 2115/10 Light-emitting diodes [LED]G02B 19/0028 refractive and reflective s...H01L 2924/00 Indexing scheme for arrange...H01L 2924/0002 Not covered by any one of g...
