Title:
画像表示装置
Document Type and Number:
Japanese Patent JP6795796
Kind Code:
B2
Abstract:
To provide an image display unit that can reduce the size thereof while maintaining visibility (quality) of a virtual image, and can reduce cost as well.SOLUTION: An image display unit comprises: a light source device including a light source part; a scanning optical system including an image forming part that forms an intermediate image with light from the light source part; and a virtual image optical system that guides light of the intermediate image with a reflecting mirror and a curved transmission reflection member. The scanning optical system includes optical scanning means that scans light from the light source part in the main scanning direction and the sub scanning direction in the image forming part, and the image forming part is a transmission member that is curved to have a convex face directed to the reflecting mirror.SELECTED DRAWING: Figure 1
Inventors:
Naoki Nakamura
Daisuke Ichii
Hiromichi Atsumi
Naoki Miyatake
Yuki Hayashi
Daisuke Ichii
Hiromichi Atsumi
Naoki Miyatake
Yuki Hayashi
Application Number:
JP2019151720A
Publication Date:
December 02, 2020
Filing Date:
August 22, 2019
Export Citation:
Assignee:
株式会社リコー
International Classes:
B60K35/00; G02B27/01; G02B26/10
Domestic Patent References:
| JP2014170112A | ||||
| JP2013025205A | ||||
| JP2007523369A |
Foreign References:
| US20140247433 |
Attorney, Agent or Firm:
Yoshiyuki Ishibashi