Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Vehicular lamp

A technology for lamps and vehicles, applied in lighting devices, cooling/heating devices of lighting devices, fixed lighting devices, etc., can solve the problems of temperature difference and high temperature, improve position accuracy, eliminate distortion and bending deformation, improve distribution The effect of light performance

Inactive Publication Date: 2010-06-23
ICHIKOH IND LTD
View PDF5 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, the above-mentioned second reflector is arranged away from the semiconductor-type light source and the first reflector covering its surroundings in the optical design of the light source unit, and is arranged to protrude from the heat sink, so the semiconductor-type light source and the first reflector There is a difference in the heat dissipation effect caused by the heat sink between the surrounding and the second reflector, that is, there is a temperature difference and there is a tendency that the temperature around the second reflector is higher than that of the semiconductor-type light source and the first reflector.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Vehicular lamp
  • Vehicular lamp
  • Vehicular lamp

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] An embodiment of the present invention will be described in detail below by taking the headlight of an automobile as an example in conjunction with the accompanying drawings.

[0029] Figure 1 to Figure 5 The headlight of the present embodiment shown has: a semiconductor-type light source 10; a first reflector 11, which covers the front side of the lamp of the semiconductor-type light source 10, and has a light direction emitted from the semiconductor-type light source 10; The concave reflective surface 12 reflected above; the second reflector 13, which has a concave reflective surface 14 that reflects the light reflected by the first reflector 11 to the front of the lamp; The resulting heat spread.

[0030] The light source unit 1 is constituted by the above-mentioned semiconductor-type light source 10, the first reflector 11 and the second reflector 13. The light source unit 1 and the heat sink 20 are combined to form a lamp unit 2 .

[0031] Further, the lamp uni...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a vehicular lamp with excellent photometric performance instead of the deteriorated photometric performance caused by the thermal deformation of reflectors or the assembly errors of the reflectors. The vehicular lamp is provided with a semiconductor-type light source, a first reflector, a second reflector and a radiating rib, wherein the first reflector covers the semiconductor-type light source and reflects light emitted from the semiconductor-type light source to a preset direction; the second reflector reflects the reflecting light from the first reflector to the front of the lamp; and the radiating rib intensely arranges the semiconductor-type light source, the first reflector and the second reflector. The vehicular lamp is characterized in that at least the second reflector and the radiating rib are integrally formed.

Description

technical field [0001] The present invention relates to a vehicle lamp used as a headlight, a rear combination lamp, and the like of an automobile. Background technique [0002] In recent years, self-luminous semiconductor-type light sources such as light emitting diodes (LEDs) have been used as light sources for vehicle lamps such as headlights. [0003] Such a semiconductor-type light source constitutes a light source unit together with a reflector that reflects light from the light source in a predetermined direction, and is placed in a lamp chamber composed of a housing and an outer lens (see Patent Document 1). [0004] Patent Document 1: JP-A-2004-207235 [0005] A semiconductor-type light source used as a light source of a vehicle lamp has been increased in luminance in order to improve the lighting effect, and the amount of radiation has increased with the increase in luminance. As a measure to suppress the temperature rise of the semiconductor-type light source, a...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): F21S8/10F21V7/20F21V7/10F21Y101/02F21V29/505
Inventor 川村孝幸
Owner ICHIKOH IND LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com