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Patent Searching and Data


Title:
IMAGE DISPLAY DEVICE, AND HEAD-MOUNTED DISPLAY
Document Type and Number:
WIPO Patent Application WO/2015/030100
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide: an image display device which is capable of focus adjustment, and with which an increase in the size of a housing thereof in a vertical direction is reduced; and a head-mounted display (HMD). This HMD is provided with: an image unit (7) capable of generating image light; a lens unit (6) provided with a plurality of lenses; a housing (13, 14) which covers the image unit (7) and the lens unit (6); a half mirror (56) capable of deflecting rearward the image light generated by the image unit (7); a protrusion (65) provided to a rear side of the lens unit (6); a protrusion (64) provided to a front side of the lens unit (6); a groove (242) which is provided to an inside surface of a rear side of the housing, extends in a straight line from left to right, and supports the lens unit (6) such that the lens unit (6) is capable of moving in a left-right direction; an adjustment mechanism (4) provided with a cam groove which engages with the protrusion (64); and an operation member (3) which is connected to the adjustment mechanism (4) and provided to a front side of the housing, and which is capable of being operated by a user.

Inventors:
KUSUDA MIYUKI (JP)
HIRAKI NOBUO (JP)
Application Number:
PCT/JP2014/072544
Publication Date:
March 05, 2015
Filing Date:
August 28, 2014
Export Citation:
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Assignee:
BROTHER IND LTD (JP)
International Classes:
G02B27/02; H04N5/64
Foreign References:
JP2013044828A2013-03-04
JPH1184474A1999-03-26
JP2000214371A2000-08-04
JP2002162597A2002-06-07
JP2004286833A2004-10-14
JP2005284130A2005-10-13
JPH11109447A1999-04-23
JP2002156572A2002-05-31
JP2013044896A2013-03-04
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