Title:
導光プリズムおよび画像表示装置
Document Type and Number:
Japanese Patent JP5530575
Kind Code:
B1
Abstract:
Provided is a light guide prism including: an incident surface on which image light from a display device is incident; one or more reflection surfaces which reflect the image light incident thereon, the reflection surfaces including at least an emission side reflection surface; and an emission surface forming an acute angle with the emission side reflection surface and emitting the image light reflected by the emission side reflection surface, toward an eyeball of an observer. In one aspect, the light guide prism includes a prism tip disposed as protruding from an end of the emission side reflection surface and from an end of the emission surface, in a direction in which a width between the emission side reflection surface and the emission surface narrows. Further provided is an image display apparatus including: a display device which emits image light; the light guide prism; and a support.
Inventors:
Ryohei Sugihara
Shinya Takahashi
Shinya Takahashi
Application Number:
JP2014504519A
Publication Date:
June 25, 2014
Filing Date:
October 28, 2013
Export Citation:
Assignee:
Olympus Endo Technology America Inc.
International Classes:
G02B27/02; G02B5/04
Domestic Patent References:
| JP2008535001A | 2008-08-28 | |||
| JP2012168427A | 2012-09-06 | |||
| JP2010224473A | 2010-10-07 |
Attorney, Agent or Firm:
Kenji Sugimura
Groundwork Kenichi
Yamaguchi Yusuke
Groundwork Kenichi
Yamaguchi Yusuke