公开(公告)号：US10701348B2

公开(公告)日：2020-06-30

申请号：US15573117

申请日：2016-05-09

Applicant: RealD Inc.

Inventor： Young Hoon Lee ,  Chul Woo Lee ,  Bong Jae So

IPC: H04N13/31 ,  H04N13/363 ,  G03B21/28 ,  G03B35/26 ,  H04N13/204 ,  H04N13/337 ,  H04N13/261 ,  H04N9/31

Abstract: Proposed is a stereoscopic image screening device. The stereoscopic image screening device comprising: a polarized light splitter for spatially splitting and emitting an image light emitted from a projector into transmitted light and one or more reflected lights according to polarization components; a first modulator for emitting the transmitted light on a screen by performing modulation in a way allowing different polarizations as the transmitted light is alternately emitted as a left image or a right image in a time-division scheme; and a second modulator for emitting the reflected light on the screen by performing modulation in a way allowing different polarizations as the reflected light is alternately emitted to a left image or a right image in a time-division scheme, wherein the first modulator and the second modulator are set in a manner that the phase delay of the first modulator is any one of 0λ and ½λ, and the phase delay of the second modulator is the other one of 0λ and ½λ at a specific point of time.

公开(公告)号：US20180131929A1

公开(公告)日：2018-05-10

申请号：US15573117

申请日：2016-05-09

Applicant: RealD Inc.

Inventor： Young Hoon Lee ,  Chul Woo Lee ,  Bong Jae So

IPC: H04N9/31

Abstract: Proposed is a stereoscopic image screening device. The stereoscopic image screening device comprising: a polarized light splitter for spatially splitting and emitting an image light emitted from a projector into transmitted light and one or more reflected lights according to polarization components; a first modulator for emitting the transmitted light on a screen by performing modulation in a way allowing different polarizations as the transmitted light is alternately emitted as a left image or a right image in a time-division scheme; and a second modulator for emitting the reflected light on the screen by performing modulation in a way allowing different polarizations as the reflected light is alternately emitted to a left image or a right image in a time-division scheme, wherein the first modulator and the second modulator are set in a manner that the phase delay of the first modulator is any one of 0λ and ½λ, and the phase delay of the second modulator is the other one of 0λ and ½λ at a specific point of time.