Title:
OPTICAL DEVICE AND PROJECTION DEVICE
Document Type and Number:
Japanese Patent JP2017044857
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a further highly efficient illumination light source.SOLUTION: An optical device according to an embodiment comprises a reflection substrate reflecting light with which the substrate is irradiated and a drive section rotating the reflection substrate around a rotation axis. The reflection substrate is divided into a first region and a second region in a circumferential direction around the rotation axis. In the first region out of the first and second regions obtained by dividing the reflection substrate, a fluorescent substance is provided which is excited by the light with which the substrate is irradiated and emits light of a different color from the light with which the substrate is irradiated.SELECTED DRAWING: Figure 5
Inventors:
AIZAKI TAKASHI
Application Number:
JP2015166954A
Publication Date:
March 02, 2017
Filing Date:
August 26, 2015
Export Citation:
Assignee:
JVC KENWOOD CORP
International Classes:
G03B21/14; F21S2/00; F21V9/16; F21V9/40; G03B21/00; H04N5/74
Attorney, Agent or Firm:
Hiroaki Sakai
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