VIRTUAL IMAGE DISPLAY APPARATUS
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United States of America Patent
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Issued Date -
May 26, 2016
app pub date -
Jul 1, 2015
filing date -
Nov 26, 2014
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Abstract
A virtual image display apparatus configured to be disposed in front of an eye of a user is provided. The virtual image display apparatus includes an image displaying unit providing an image beam, a first beam splitting unit disposed on the transmission path of the image beam, and an image correction unit disposed on the transmission path of the image beam from the first beam splitting unit. The image correction unit includes a first optical element, a second optical element, and a planar reflective element. The image beam emitted by the image displaying unit sequentially travels through the first beam splitting unit, the first optical element, and the second optical element, and is reflected by the planar reflective element, then travels through the second optical element and the first optical element again, and is transmitted to the eye by the first beam splitting unit.
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