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Patent Searching and Data


Title:
LED ILLUMINATION DEVICE AND CARD LED ILLUMINATION LIGHT SOURCE
Document Type and Number:
Japanese Patent JP2003124528
Kind Code:
A
Abstract:

To provide an LED illumination light source and an LED illumination device which have heat radiation and lighting efficiency improved and also have LED's integrated in high density.

This LED illumination device is equipped with at least one connector which is connected to a detachable card LED illumination light source having LED's mounted on one surface of a substrate and a turn-on circuit which is electrically connected to the card LED illumination light source 10 through the connector. The card LED illumination light source 10 is preferably equipped with a metal base substrate and a plurality of LED's mounted on one surface of the metal base substrate, and the substrate reverse surface of the metal base substrate where the LED's are not mounted comes into thermal contact with part of the illumination device. A feed terminal which is electrically connected by the connector is provided on the substrate surface of the metal base substrate where the LED's are mounted.


Inventors:
SHIMIZU MASANORI
YANO TADASHI
SETOMOTO TATSUMI
MATSUI NOBUYUKI
TAMURA TETSUSHI
Application Number:
JP2002231765A
Publication Date:
April 25, 2003
Filing Date:
August 08, 2002
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
F21S8/04; F21S2/00; H01L33/12; H01L33/32; H01L33/48; H01L33/50; H01L33/54; H01L33/56; H01L33/60; H01L33/62; F21S6/00; F21Y101/02; (IPC1-7): H01L33/00; F21S2/00; F21S8/04
Domestic Patent References:
JPH07202272A1995-08-04
JPH033276A1991-01-09
JPH0825689A1996-01-30
JP2000100218A2000-04-07
JP2000306418A2000-11-02
JPS618146U1986-01-18
JPS6072281A1985-04-24
JP2001052504A2001-02-23
Attorney, Agent or Firm:
Okuda Seiji