Title:
光源ユニット、画像表示装置
Document Type and Number:
Japanese Patent JP6492966
Kind Code:
B2
Abstract:
A light source unit (10) mountable to an image display apparatus (1, 100) for irradiating scan light to an optical scanning system (20) to generate an image includes a plurality of light emitters (111R, 111G, 111B) to emit corresponding lights having different wavelengths, a plurality of coupling lenses (112R, 112G, 112B) respectively disposed for the plurality of light emitters (111R, 111G, 111B) to respectively pass through the lights emitted from the plurality of light emitters (111R, 111G, 111B); and a plurality of aperture-formed members (113R, 113G, 113B) respectively disposed for the plurality of coupling lenses (112R, 112G, 112B) to respectively pass through the lights coming from the coupling lenses (112R, 112G, 112B), each of the plurality of aperture-formed members (113R, 113G, 113B) formed of an aperture having an aperture size set differently depending on the wavelengths of the lights emitted from the plurality of light emitters (111R, 111G, 111B).
Inventors:
Makoto Hirakawa
Application Number:
JP2015104632A
Publication Date:
April 03, 2019
Filing Date:
May 22, 2015
Export Citation:
Assignee:
株式会社リコー
International Classes:
B60K35/00; G02B27/01; G02B26/10
Domestic Patent References:
| JP2015025977A | ||||
| JP2014235268A | ||||
| JP2013061554A | ||||
| JP2013025205A |
Foreign References:
| EP3035110A1 |
Attorney, Agent or Firm:
Yoshiyuki Ishibashi