Title:
VISUAL DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2010/018685
Kind Code:
A1
Abstract:
A visual display device (1) comprises a video display element (3), a projection optical system (4) for projecting a video displayed on the video display element (3), an eyepiece optical system (5) using the video projected by the projection optical system (4) as a video from far and having a positive reflective power, and a cylindrical or conical diffusion surface (11) disposed in the neighborhood of the video projected by the projection optical system (4). In the visual display device (1), the video projected by the projection optical system (4) is disposed so as to draw an arc at an arbitrary position within a surface orthogonal to the optical axis (2) of the projection optical system (4).
Inventors:
TOGINO TAKAYOSHI (JP)
Application Number:
PCT/JP2009/003842
Publication Date:
February 18, 2010
Filing Date:
August 10, 2009
Export Citation:
Assignee:
OLYMPUS CORP (JP)
TOGINO TAKAYOSHI (JP)
TOGINO TAKAYOSHI (JP)
International Classes:
G02B27/02; G02B13/18; G02B17/08; G02B25/00; G02B27/01; G03B21/00
Foreign References:
| JP2001188173A | 2001-07-10 | |||
| JP2004287435A | 2004-10-14 | |||
| JPH06319092A | 1994-11-15 | |||
| JP2008151904A | 2008-07-03 |
Attorney, Agent or Firm:
KOYAMA, Takashi et al. (JP)
Takushi Koyama (JP)
Takushi Koyama (JP)
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