Title:
投影装置及びヘッドアップディスプレイ装置
Document Type and Number:
Japanese Patent JP6414131
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a projection device that is compact and inexpensive, has good light efficiency, and is capable of displaying a display image having a plurality of display distances.SOLUTION: A display unit 21 emits rays of projection light L which display display images M at predetermined positions. An image formation position adjustment mirror 23 receives the rays of projection light L emitted from the display unit 21, changes an image formation distance of at least a part of the incident rays of projection light L to be converted into a plurality of rays of first projection light L1 and second projection light L2 having different image formation distances and reflects the converted rays of the projection light. These first projection light L1 and second projection light L2 are made to form an image on a first screen 30 and a second screen 40 as a real image.SELECTED DRAWING: Figure 1
Inventors:
Kazuo Morohashi
Sumi Mehisa
Yuichi Takahashi
Matsuura Soya
Sumi Mehisa
Yuichi Takahashi
Matsuura Soya
Application Number:
JP2016090496A
Publication Date:
October 31, 2018
Filing Date:
April 28, 2016
Export Citation:
Assignee:
Nippon Seiki Co., Ltd.
International Classes:
G02B27/01; B60K35/00; G02B27/18; G03B21/00; G03B21/28; H04N5/74
Domestic Patent References:
| JP7257228A | ||||
| JP7005886U | ||||
| JP2004133181A | ||||
| JP2012163613A | ||||
| JP2013111999A | ||||
| JP2015200770A | ||||
| JP2015191221A | ||||
| JP2010164941A |
Foreign References:
| US20140036374 |