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Lamp fitting for vehicle

A technology for lamps and vehicles, which is applied to road vehicles, vehicle parts, lamp shades, etc., can solve the problem of not fully utilizing semiconductor light sources, etc., and achieve the effect of reducing the depth and height dimensions.

Inactive Publication Date: 2009-10-28
ICHIKOH IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] The problem to be solved by the present invention is the following problems in the existing vehicle lamps: it cannot meet the requirements of reducing the depth dimension in the horizontal direction and the height dimension in the vertical direction; there is a prescribed light distribution pattern projected from the projection lens Light other than light, that is, light that has not been controlled for light distribution, is emitted from the projection lens; and light from semiconductor-type light sources is not effectively utilized

Method used

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  • Lamp fitting for vehicle
  • Lamp fitting for vehicle
  • Lamp fitting for vehicle

Examples

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Embodiment

[0035] Hereinafter, the structure of the vehicle lamp of this embodiment will be described. In the drawings, reference numeral 1 is a vehicle lamp of this embodiment, for example, a headlight for an automobile in this example. The above vehicle lamp 1 includes a first reflector (main reflector, shade member and reflector) 2 on the front side, a second reflector (sub-reflector, lampshade and reflector) 3 on the rear side, a semiconductor-type light source 4, A lampshade 5, a projection lens (convex lens, condenser lens) 6, a plane reflection surface 7, a heat dissipation member (not shown), a light shielding member 8, a lamp housing and a lamp glass (for example, transparent external lens, etc.).

[0036] The first reflector 2 , the second reflector 3 , the semiconductor-type light source 4 , the lamp cover 5 , the projection lens 6 , the planar reflection surface 7 , the heat dissipation member, and the light shielding member 8 constitute a lamp unit. The above-mentioned lam...

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Abstract

The invention relates to a lamp fitting for vehicles, aiming to solve the problem that the prior lamp fitting for the vehicles can not effectively sufficiently utilize light from a semiconductor type light source. The lamp fitting for the vehicles collocates a lamp shade (5) between a second focus (F2) of a first reflecting surface (9) and a semiconductor type light source (4), the lamp shade (5) stops a part of reflected light (L4) radiated from the semiconductor type light source (4) and reflected by the first reflecting surface (9), and a prescriptive light distribution pattern (P) with cut-off lines (CL) is formed by the rest reflected light (L4); the fourth part (20) of a first additional reflecting surface which enables light (L3) from the semiconductor type light source (4) to be reflected to one side of the lamp shade (5) is arranged on a light shading part (8); and a through hole (24) which enables reflected light (L17) from the fourth part (20) of the first additional reflecting surface to pass through one side of a flat reflecting surface (7) is arranged on the lamp shade (5), thus the invention can effectively utilize a light distribution pattern (P4) of the light (L3) from the semiconductor type light source (4), which is used as an overhead sign.

Description

technical field [0001] The present invention relates to a projection type vehicle lamp using a semiconductor-type light source such as an LED as a light source. In particular, the present invention relates to a vertical projection lamp whose depth and height can be miniaturized. Such a vehicle lamp can prevent light other than a predetermined light distribution pattern projected from a projection lens, that is, light without light distribution control, from being emitted from the projection lens. , and can effectively make full use of the light from the semiconductor-type light source. Background technique [0002] Such vehicle lamps are conventionally known (for example, Patent Document 1, Patent Document 2, and Patent Document 3). Hereinafter, this conventional vehicle lamp will be described. This conventional vehicular lamp includes: a reflector having an elliptical reflective surface, a semiconductor-type light source such as an LED in which a light-emitting portion is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21S8/10F21V13/00F21V7/09F21V5/04F21V11/16F21V3/00F21V17/00F21W101/02F21Y101/02F21W107/10F21Y115/10
CPCF21W2102/18
Inventor 西畑孝司
Owner ICHIKOH IND LTD
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