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Illuminating apparatus

A technology for lighting devices and heat sinks, which is applied to lighting devices, cooling/heating devices for lighting devices, lighting and heating equipment, etc., can solve the problems of LED stability effects, shortened service life, and attenuation of LED luminous intensity. , to achieve the effect of ensuring the luminous characteristics

Inactive Publication Date: 2011-01-05
FOXSEMICON INTEGRATED TECHNOLOGY (SHANGHAI) INC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The stability of light-emitting diodes during use is easily affected by the surrounding temperature. For example, when the temperature is too high, the luminous intensity of light-emitting diodes is prone to attenuation, resulting in a shorter service life

Method used

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  • Illuminating apparatus
  • Illuminating apparatus
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Embodiment Construction

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Abstract

The invention relates to an illuminating apparatus, which comprises at least one light source, an electrothermal cooler, a radiator and a first metal thin film, wherein the electrothermal cooler comprises a cold end and a hot end, the cold end is thermally connected with the light source, the radiator is thermally connected with the hot end of the electrothermal cooler, and the first metal thin film is arranged between and to connect the hot end of the electrothermal cooler and the radiator. The first metal thin film is connected with the hot end of the electrothermal cooler and the radiator to form thermal connection between the electrothermal cooler and the radiator to allow the electrothermal cooler to conduct the heat of the at least one light source to the radiator for radiation withan optimal radiation efficiency, so the illuminating performance of the illuminating apparatus is guaranteed effectively.

Description

lighting device technical field The present invention relates to an illuminating device, in particular to an illuminating device capable of obtaining better heat dissipation efficiency. Background technique At present, light-emitting diodes (Light Emitting Diode, LED) are gradually replacing cold cathode fluorescent lamps (Cold Cathode Fluorescent Lamp, CCFL) due to their characteristics of good light quality and high luminous efficiency, and become light-emitting elements in lighting devices. For details, please refer to Michael S. Shur et al. "Solid-State Lighting: Toward Superior Illumination" published in Vol.93, No.10 (October 2005). The stability of the light-emitting diodes during use is easily affected by the surrounding temperature. For example, when the temperature is too high, the luminous intensity of the light-emitting diodes is likely to attenuate, resulting in a shortened service life. In view of this, it is necessary to provide a lighting device that can...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F21V29/00H01L23/36H01L23/38F21Y101/02F21V29/54F21V29/74F21Y115/10
Inventor 曹治中赖志铭
Owner FOXSEMICON INTEGRATED TECHNOLOGY (SHANGHAI) INC