Title:
LED LIGHTING SOURCE AND MANUFACTURING METHOD THEREOF
Document Type and Number:
Japanese Patent JP2006024615
Kind Code:
A
Abstract:
To provide an LED lighting source in which the light extracting efficiency is improved.
The lighting source includes an LED chip 12 mounted on a substrate 11, a fluorescent material resin 13 covering the LED chip 12, and a transparent resin 20 covering the fluorescent material resin 13. The fluorescent material resin 13 is formed of a fluorescent material for converting the light emitted from the LED chip 12 to the light having the wavelength which is longer than that of the relevant light and a resin for dispersing the fluorescent material. The upper surface of the transparent resin 20 is the LED lighting source 100 which is formed to have unevenness 21.
Inventors:
YANO TADASHI
TAKAHASHI KIYOSHI
SHIMIZU MASANORI
TAKAHASHI KIYOSHI
SHIMIZU MASANORI
Application Number:
JP2004199131A
Publication Date:
January 26, 2006
Filing Date:
July 06, 2004
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
F21S8/04; F21V5/04; H01L33/22; H01L33/50; H01L33/58; F21Y101/02
Attorney, Agent or Firm:
Fumio Iwahashi
Hiroki Naito
Daisuke Nagano
Hiroki Naito
Daisuke Nagano