IMAGE DISPLAY - OLYMPUS OPTICAL CO

Title:

IMAGE DISPLAY

Document Type and Number:

WIPO Patent Application WO/2001/050180

Kind Code:

A1

Abstract:

An image display such as a head-mounted image display for allowing the user to view with both user's eyes an image displayed on one image display element by directing the image to both user's eyes without providing any half-silvered mirror. The image display comprises an optical path branching mirror (1) for distributing the image on one display element (10) to a right-eye optical path and a left-eye optical path, a right-eye ocular prism (2R) on the left side, and a left-eye ocular prism (2L) on the left side. Along the right-eye optical path, the display light from the display element (3) is reflected from the reflecting surface (1R) of the optical path branching mirror (1), passed through a first surface (21R) of a decentered prism (2R), made to enter the prism, total-reflected from a second surface (22R), back-reflected from a third surface (23R), made to exit from the prism through a fourth surface (24R) which the second surface (22R) serves as, directed to an exit pupil (4R) for the right eye, and projected to the right eye to form a magnified image of the image on the display element (3). As for the left-eye optical path, the display light travels similarly.

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Inventors:

NAGATA TETSUO
TOGINO TAKAYOSHI
SAKURAI AKIHIRO

Application Number:

PCT/JP2000/002549

Publication Date:

July 12, 2001

Filing Date:

April 19, 2000

Export Citation:

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Assignee:

OLYMPUS OPTICAL CO (JP)

International Classes:

G02B27/02; G02B27/01; G09F9/00; H04N5/64; G02B27/00; (IPC1-7): G02B27/02; G09F9/00

Foreign References:

JPH10282421A	1998-10-23
JPH0961748A	1997-03-07
JPH07287185A	1995-10-31
JPH06110013A	1994-04-22
JPH05176260A	1993-07-13

Other References: