WAVELENGTH CONVERTER, LIGHTING SYSTEM, AND LIGHTING SYSTEM ASSEMBLY

Title:

WAVELENGTH CONVERTER, LIGHTING SYSTEM, AND LIGHTING SYSTEM ASSEMBLY

Document Type and Number:

Japanese Patent JP2007146154

Kind Code:

A

Abstract:

To provide a wavelength converter which uses a semiconductor material consisting of a composition excellent in safety as a replacement of cadmium selenide (CdSe) and has a equivalent to or higher level of conversion efficiency than those converters using CdSe.

The wavelength converter has phosphor particles dispersed in a transparent matrix, converts the wavelength of the light emitted from a light source, and outputs the output light containing the light whose wavelength is converted. The phosphor comprises an Ag element a group III element consisting of indium or gallium and sulfur, and contains semiconductor fine particles which are substantially free of Cd or Se.

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Inventors:

FUKUTOME MASATO
NAKAKAWAJI FUJITO
ISHIDA MASANOBU
IRYO TSUTAE

Application Number:

JP2006296848A

Publication Date:

June 14, 2007

Filing Date:

October 31, 2006

Export Citation:

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Assignee:

KYOCERA CORP

International Classes:

C09K11/62; C09K11/08; H01L33/50; H01L33/54; H01L33/56; H01L33/60; H01L33/62

Attorney, Agent or Firm:

Toshikazu Fukai

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