Title:
Light source device and projector
Document Type and Number:
Japanese Patent JP6305009
Kind Code:
B2
Abstract:
A light source apparatus according to the present invention includes a phosphor wheel (2) having a phosphor (1) disposed in an annular shape on a disk-shaped base material, the phosphor (1) serving to emit fluorescent light from excitation light, thereby forming an excitation light source having a predetermined color, and the phosphor (1) having a discontinuous portion (3) in a part of the annular shape, an excitation light source for emitting the excitation light with which a passage position of the circular phosphor (1) is irradiated with respect to the phosphor wheel (2) to be rotatively driven by the wheel motor, and a controller that controls light emission of the light source and the excitation light source synchronously with a position of the discontinuous portion with respect to an irradiation position (3) of the excitation light.
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Inventors:
Shinji Yagyu
Nobutaka Kobayashi
Asahi Yamada
Hiroshi Kida
Nobutaka Kobayashi
Asahi Yamada
Hiroshi Kida
Application Number:
JP2013218794A
Publication Date:
April 04, 2018
Filing Date:
October 22, 2013
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
G03B21/14; F21S2/00; F21V9/00; H04N9/31
Domestic Patent References:
| JP201232634A | ||||
| JP2012123179A | ||||
| JP201170127A | ||||
| JP201298438A | ||||
| JP201128244A | ||||
| JP2011154168A | ||||
| JP20128549A | ||||
| JP2012181394A |
Foreign References:
| WO2012172672A1 | ||||
| US20120033185 | ||||
| WO2012137305A1 |
Attorney, Agent or Firm:
Yoshitake Hidetoshi
Takahiro Arita
Takahiro Arita