Title:
HEAD UP DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/041203
Kind Code:
A1
Abstract:
Provided is a head up display device with which it is possible to adjust the projection location of display light depending on the height of the observer's point of view, without moving the virtual image in the vertical direction. This head up display device (100) is provided with: a chassis (10) which retains a display (20) and a concave mirror (30) in a prescribed positional relationship; a first driving means (40) which rotates the concave mirror (30); a second driving means (50) which moves the chassis (10) frontward and rearward; and a control means which operates the first and second drive means (40, 50) in accordance with information about the viewpoint position of the observer, and adjusts the projection location of display light (L) on front glass (201) depending on the height of the observer's point of view.
Inventors:
HIROKAWA TAKURO
YACHIDA TAKESHI
YACHIDA TAKESHI
Application Number:
PCT/JP2014/074368
Publication Date:
March 26, 2015
Filing Date:
September 16, 2014
Export Citation:
Assignee:
NIPPON SEIKI CO LTD (JP)
International Classes:
G02B27/01; B60K35/00
Foreign References:
| JP2010072455A | 2010-04-02 | |||
| JPS63133417U | 1988-08-31 | |||
| JPS61133425U | 1986-08-20 | |||
| JPS60183240A | 1985-09-18 | |||
| JPH05229366A | 1993-09-07 | |||
| JPH07329603A | 1995-12-19 | |||
| JP2010179918A | 2010-08-19 |
Other References:
See also references of EP 3048468A4
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