| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a virtual image display device which suppresses generation of luminance spots, and a manufacturing method for the same. <P>SOLUTION: In a second ridge line vicinity region RE2 on the side of a third reflection plane 21c among a ridge line part 21r extending between the third reflection plane 21c and a second reflection plane 21b, a mirror layer 25 has a thickness of 50 nm or more to perform impermeable reflection. Therefore, reduction of the reflectance of image light can be suppressed in the second ridge line vicinity region RE2 (namely, a peripheral part on the side of a light guide part B2 in the third reflection plane 21c), and generation of band-like luminance spots extending in the longitudinal direction is suppressed in an observed image. That is, in a virtual image display device, sufficient reflection can be secured even in a peripheral part near the boundary of the second reflection plane 21b in the third reflection plane 21c, and thus a bright image having few luminance spots can be displayed. <P>COPYRIGHT: (C)2013,JPO&INPIT |
