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公开(公告)号：US09851693B2
公开(公告)日：2017-12-26
申请号：US15007389
申请日：2016-01-27
Inventor： Min Sik Park , Hyun Eui Kim
CPC classification number: G03H1/0486 , G03H1/0808 , G03H1/2294 , G03H2001/0825 , G03H2226/05 , G06F3/013
Abstract: A method and apparatus for correcting a distortion of a holographic display. The method includes tracking a location of a viewing window by tracking a location of a pupil of a user and calculating a central location of the viewing window, generating a wavefront aberration by determining an object point and an image point based on a location of a light source and the central location of the viewing window and using ray tracing, and calculating a complex aberration light field using the generated wavefront aberration. Thus, a quality of a holographically reproduced image in a viewing window-based holographic display may be improved.
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2.发明授权公开(公告)号：US09756317B2
公开(公告)日：2017-09-05
申请号：US14600806
申请日：2015-01-20
Inventor： Hyun Eui Kim , Jin Woong Kim , Kyung Ae Moon , Min Sik Park
CPC classification number: H04N13/31 , A61B3/113 , G02B6/0006 , G02B6/0008 , G02B6/2706 , G02B27/0025 , G02B27/0093 , G03H1/2286 , G03H1/2294 , G03H2001/221 , G03H2001/2236 , G03H2001/2242 , G03H2222/18 , G03H2222/34 , G03H2223/16 , G03H2226/05
Abstract: The present invention discloses a holographic display apparatus including a light irradiating unit configured to irradiate light using an optical fiber array backlight, a spatial light modulator (SLM) configured to perform modulating the irradiated light, a lens configured to irradiate hologram images based on the modulated light, a pupil tracking unit configured to acquire location of an observer's pupil by pupil tracking, and a hologram generating unit configured to generate parallax hologram images that correspond to the location of pupil.
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