Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
VIRTUAL IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/043713
Kind Code:
A1
Abstract:
The present invention makes it possible to reduce a difference in resolution between respective regions of a virtual image while reducing distortion of an image. A translucent screen 20 is disposed to be inclined with respect to an optical axis 100A of projection light 100 such that a difference between a first optical path length 201L to a first reflection part 30 of the display light 201 emitted from a first end 21 far from display light 200 reflected toward a second reflection part 40 by the first reflection part 30, and a second optical path length 202L of display light 202 emitted from a second end 22 closer to 200 reflected toward the second reflection part 40 by the first reflection part 30 than the first end 21 becomes smaller.

Inventors:
KAWAI TAKERU
KIKUCHI YUTA
Application Number:
PCT/JP2017/031632
Publication Date:
March 08, 2018
Filing Date:
September 01, 2017
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NIPPON SEIKI CO LTD (JP)
International Classes:
G02B27/01; B60K35/00; G03B21/10; G09F9/00
Domestic Patent References:
WO2016136827A12016-09-01
Foreign References:
JP2014170112A2014-09-18
JP2010085962A2010-04-15
JP2009163122A2009-07-23
JP2015197495A2015-11-09
US20140049819A12014-02-20
Other References:
See also references of EP 3511759A4
Download PDF: