CPC G02B 27/017 (2013.01) [G02B 6/0031 (2013.01); G06T 19/006 (2013.01); G02B 2027/0178 (2013.01)] | 8 Claims |
1. An optical device for augmented reality having an external light leakage prevention function, the optical device comprising:
a display device configured to output image light corresponding to an image for augmented reality;
at least one reflective unit configured to transfer the image light corresponding to an image for augmented reality, output from the display device, to a pupil of an eye of a user by reflecting the image light toward the pupil, thereby providing the image for augmented reality to the user; and
an optical means configured such that the reflective unit is disposed therein and configured to transmit at least part of image light, output from a real object, therethrough toward the pupil of the eye of the user;
wherein the at least one reflective unit is formed to have a size of 4 mm or less, and includes a first surface configured to reflect the image light corresponding to an image for augmented reality, output from the display device, toward the pupil of the eye of the user and a second surface which is a surface opposite to the first surface; and
wherein the second surface is made of a light absorbing material that does not reflect light.
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