VIRTUAL IMAGE DISPLAY DEVICE AND METHOD

Title:

VIRTUAL IMAGE DISPLAY DEVICE AND METHOD

Document Type and Number:

WIPO Patent Application WO/2018/124299

Kind Code:

A1

Abstract:

Provided are a virtual image display device and method with which it is possible for hazard signals and other additional information, in addition to display contents such as vehicle speed, to be displayed at multiple distances in such a way as to allow appropriate recognition thereof, while having a simple configuration. A virtual image display device 100 is provided with an image forming element 11, which is a display unit, and a virtual image display optical system 30 which enlarges an image formed in a display region by the image forming element 11, wherein an optical path length varying element 16 having a construction with different thicknesses in an optical axis AX direction is disposed in an optical path from the display region to a mirror 17a, which is a first reflective body.

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Inventors:

NAKAMURA KENTAROU (JP)
NOMURA EIJI (JP)
HASHIMURA JUNJI (JP)
NAKAMURA AKIHIRO (JP)
SUGAWARA KAZUHIRO (JP)
YAMADA NORIHIDE (JP)

Application Number:

PCT/JP2017/047352

Publication Date:

July 05, 2018

Filing Date:

December 28, 2017

Export Citation:

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Assignee:

KONICA MINOLTA INC (JP)

International Classes:

G02B27/01; B60K35/00; G03B15/00; G03B35/08

Domestic Patent References:

WO2016208194A1

2016-12-29

Foreign References:

JP2016024420A	2016-02-08
JP2003043407A	2003-02-13
JP2007523364A	2007-08-16
JP2014028593A	2014-02-13

Attorney, Agent or Firm:

FUKUDA, Mitsuhiro (JP)

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