Title:
VISUAL DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/132959
Kind Code:
A1
Abstract:
A visual display device comprises: one image display screen which displays an observed image; and an ocular optical assembly which forms two eye points for directing the observed image to both eyes of an observer. The ocular optical assembly further comprises one reflecting surface which has a positive refraction and which is positioned facing the two eye points. In backlight tracking order from the two eye points to the image display screen, a light beam which exits the two eye points is reflected by the reflecting surface which is positioned facing the two eye points, the light beam after reflection by the reflecting surface enters the image display screen, and formula (1), following, is satisfied: -1.0 ≤ S ≤ 1.0 (1) Where S[m-1] is the difference between a virtual image location by visibility and a virtual image location by congestion within an observation angle of field.
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Inventors:
TOGINO TAKAYOSHI (JP)
Application Number:
PCT/JP2012/056846
Publication Date:
October 04, 2012
Filing Date:
March 16, 2012
Export Citation:
Assignee:
OLYMPUS CORP (JP)
TOGINO TAKAYOSHI (JP)
TOGINO TAKAYOSHI (JP)
International Classes:
G02B27/02
Domestic Patent References:
| WO2010018685A1 | 2010-02-18 |
Foreign References:
| JPH09105885A | 1997-04-22 | |||
| JP2010164944A | 2010-07-29 |
Attorney, Agent or Firm:
KOYAMA, Takashi et al. (JP)
Takushi Koyama (JP)
Takushi Koyama (JP)
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Claims: