<p>A method and an apparatus for providing a first light- guiding structure and a second light-guiding structure to receive an input optical beam and output an output optical beam to be viewed by a user. At least one of the first or the second light-guiding structure has a non-flat shape. The first and the second light-guiding structures are configured to produce virtual images at different viewing distances.</p>
申请公布号
WO2011110728(A1)
申请公布日期
2011.09.15
申请号
WO2010FI50192
申请日期
2010.03.12
申请人
NOKIA CORPORATION;JAERVENPAEAE, TONI;SAARIKKO, PASI