Title:
照明光学系とこれを用いたプロジェクタ
Document Type and Number:
Japanese Patent JP5527835
Kind Code:
B2
Abstract:
An illumination optical system includes: a light source that generates excitation light; a fluorescent body that generates fluorescent light by irradiation with the excitation light and that is disposed in a region wider than the irradiation spot of the excitation light; a plate in which the fluorescent body is disposed; and a driving mechanism that moves the plate so that the irradiation spot of the excitation light can intermittently move over the fluorescent body.
Inventors:
Hiroyuki Saito
Application Number:
JP2012533790A
Publication Date:
June 25, 2014
Filing Date:
September 16, 2010
Export Citation:
Assignee:
NEC Display Solutions Co., Ltd.
International Classes:
G03B21/14; F21S2/00; F21V7/22; F21V13/12; F21V14/04; G03B21/00; H04N5/74; F21Y101/02
Domestic Patent References:
| JP2010164846A | ||||
| JP2010225392A | ||||
| JP2010217566A |
Attorney, Agent or Firm:
Akio Miyazaki
Ishibashi Masayuki
Masaaki Ogata
Ishibashi Masayuki
Masaaki Ogata