Title:
WHITE LIGHT SOURCE MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2003124526
Kind Code:
A
Abstract:
To provide a method for manufacturing and obtaining a white light emitting element with high lightness by matching a material having a fluorescent characteristic and an ultraviolet-ray light source.
Ultraviolet rays are used as a stimulation light source and two kinds of fluorescent materials are combined and can be stimulated by ultraviolet rays of selected wavelength to illuminate; and emitting light beams are red light of 585 to 640 nm in wavelength, green light of 500 to 570 nm, and blue light of 430 to 490 nm and after those fluorescent light beams of three wavelengths are mixed, white light is emitted.
Inventors:
O KENGEN
RYU NYOKI
RIN EKIZAN
KO KASEI
KI RYOSHO
SO KOGEN
SHINCHIN SHINRON
RYU NYOKI
RIN EKIZAN
KO KASEI
KI RYOSHO
SO KOGEN
SHINCHIN SHINRON
Application Number:
JP2001314501A
Publication Date:
April 25, 2003
Filing Date:
October 11, 2001
Export Citation:
Assignee:
TAIWAN LITE ON ELECTRONICS INC
International Classes:
C09K11/08; C09K11/64; C09K11/77; C09K11/78; C09K11/80; C09K11/84; H01L33/50; (IPC1-7): H01L33/00; C09K11/08; C09K11/64; C09K11/78; C09K11/80; C09K11/84
Attorney, Agent or Firm:
Tadahiko Ito
Previous Patent: LIGHT EMITTING SEMICONDUCTOR CHIP DEVICE
Next Patent: ILLUMINATION UNIT EQUIPPED WITH AT LEAST ONE LED AS LIGHT SOURCE
Next Patent: ILLUMINATION UNIT EQUIPPED WITH AT LEAST ONE LED AS LIGHT SOURCE