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公开(公告)号：US20210088806A1
公开(公告)日：2021-03-25
申请号：US17117053
申请日：2020-12-09
Applicant: RealD Inc.
Inventor： Chul Woo Lee , Sung Ho Cho , Byung Gul Lim
Abstract: A stereoscopic image apparatus that is capable of minimizing loss of optical energy and improving quality of a stereoscopic image is disclosed. The stereoscopic image apparatus includes a polarizing beam splitter to reflect or transmit incident light based on polarization components of the light to split the light in at least three different directions, a reflective member to reflect the light reflected by the polarizing beam splitter to a screen, at least one modulator to modulate the light reflected by the reflective member and the light transmitted through the polarizing beam splitter, and a refractive member disposed in an advancing direction of light to be incident upon the polarizing beam splitter to refract the light to be incident upon the polarizing beam splitter.
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公开(公告)号：US20190011719A1
公开(公告)日：2019-01-10
申请号：US15946574
申请日：2018-04-05
Applicant: RealD Inc.
Inventor： Chul Woo Lee , Sung Ho Cho , Byung Gul Lim
Abstract: A stereoscopic image apparatus that is capable of minimizing loss of optical energy and improving quality of a stereoscopic image is disclosed. The stereoscopic image apparatus includes a polarizing beam splitter to reflect or transmit incident light based on polarization components of the light to split the light in at least three different directions, a reflective member to reflect the light reflected by the polarizing beam splitter to a screen, at least one modulator to modulate the light reflected by the reflective member and the light transmitted through the polarizing beam splitter, and a refractive member disposed in an advancing direction of light to be incident upon the polarizing beam splitter to refract the light to be incident upon the polarizing beam splitter.
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公开(公告)号：US12287495B2
公开(公告)日：2025-04-29
申请号：US17982929
申请日：2022-11-08
Applicant: RealD Inc.
Inventor： Chul Woo Lee , Sung Ho Cho , Byung Gul Lim
Abstract: A stereoscopic image apparatus that is capable of minimizing loss of optical energy and improving quality of a stereoscopic image is disclosed. The stereoscopic image apparatus includes a polarizing beam splitter to reflect or transmit incident light based on polarization components of the light to split the light in at least three different directions, a reflective member to reflect the light reflected by the polarizing beam splitter to a screen, at least one modulator to modulate the light reflected by the reflective member and the light transmitted through the polarizing beam splitter, and a refractive member disposed in an advancing direction of light to be incident upon the polarizing beam splitter to refract the light to be incident upon the polarizing beam splitter.
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4.发明授权公开(公告)号：US10291906B2
公开(公告)日：2019-05-14
申请号：US15038476
申请日：2014-12-29
Applicant: RealD Inc.
Inventor： Byung Gul Lim , Sung Ho Cho , Chul Woo Lee
IPC: H04N13/337 , H04N13/346 , H04N13/363 , G02B5/04 , G02B27/22 , G02B27/26
Abstract: The present invention relates to a stereoscopic image device and a method for providing a stereoscopic image and, more specifically, to a stereoscopic image device and a method capable of providing a stereoscopic image, which can provide high-quality stereoscopic image by using two projectors and devices related thereto. To this end, the present invention provides the stereoscopic image device and the method for providing the stereoscopic image, the device comprising: a first polarizing beam splitter for reflecting, in first and second directions according to polarizing components, the incident light received along a firth path and transmitting the same in a third direction; a first reflection member for reflecting, in a screen direction, the light reflected from the first polarizing beam splitter; a second polarizing beam splitter for reflecting, in the first and second directions according to the polarizing components, the incident light received along a second path and transmitting the same in the third direction; and a second reflection member for reflecting, in the screen direction, the light reflected from the second polarizing beam splitter.
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Patent Agency Ranking
公开(公告)号：US09958697B2
公开(公告)日：2018-05-01
申请号：US14382336
申请日：2014-03-26
Applicant: RealD Inc.
Inventor： Chul Woo Lee , Sung Ho Cho , Byung Gul Lim
CPC classification number: G02B27/26 , G02B5/3083 , G02B27/2264 , G02B27/283 , G02B27/285 , G03B35/26
Abstract: A stereoscopic image apparatus that is capable of minimizing loss of optical energy and improving quality of a stereoscopic image is disclosed. The stereoscopic image apparatus includes a polarizing beam splitter to reflect or transmit incident light based on polarization components of the light to split the light in at least three different directions, a reflective member to reflect the light reflected by the polarizing beam splitter to a screen, at least one modulator to modulate the light reflected by the reflective member and the light transmitted through the polarizing beam splitter, and a refractive member disposed in an advancing direction of light to be incident upon the polarizing beam splitter to refract the light to be incident upon the polarizing beam splitter.
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公开(公告)号：US11520163B2
公开(公告)日：2022-12-06
申请号：US17117053
申请日：2020-12-09
Applicant: RealD Inc.
Inventor： Chui Woo Lee , Sung Ho Cho , Byung Gul Lim
Abstract: A stereoscopic image apparatus that is capable of minimizing loss of optical energy and improving quality of a stereoscopic image is disclosed. The stereoscopic image apparatus includes a polarizing beam splitter to reflect or transmit incident light based on polarization components of the light to split the light in at least three different directions, a reflective member to reflect the light reflected by the polarizing beam splitter to a screen, at least one modulator to modulate the light reflected by the reflective member and the light transmitted through the polarizing beam splitter, and a refractive member disposed in an advancing direction of light to be incident upon the polarizing beam splitter to refract the light to be incident upon the polarizing beam splitter.
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公开(公告)号：US20230273451A1
公开(公告)日：2023-08-31
申请号：US17982929
申请日：2022-11-08
Applicant: RealD Inc.
Inventor： Chul Woo Lee , Sung Ho Cho , Byung Gul Lim
CPC classification number: G02B30/25 , G02B27/285 , G03B35/26 , G02B30/24 , G02B5/3083 , G02B27/283
Abstract: A stereoscopic image apparatus that is capable of minimizing loss of optical energy and improving quality of a stereoscopic image is disclosed. The stereoscopic image apparatus includes a polarizing beam splitter to reflect or transmit incident light based on polarization components of the light to split the light in at least three different directions, a reflective member to reflect the light reflected by the polarizing beam splitter to a screen, at least one modulator to modulate the light reflected by the reflective member and the light transmitted through the polarizing beam splitter, and a refractive member disposed in an advancing direction of light to be incident upon the polarizing beam splitter to refract the light to be incident upon the polarizing beam splitter.
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公开(公告)号：US10914965B2
公开(公告)日：2021-02-09
申请号：US15946574
申请日：2018-04-05
Applicant: RealD Inc.
Inventor： Chui Woo Lee , Sung Ho Cho , Byung Gul Lim
Abstract: A stereoscopic image apparatus that is capable of minimizing loss of optical energy and improving quality of a stereoscopic image is disclosed. The stereoscopic image apparatus includes a polarizing beam splitter to reflect or transmit incident light based on polarization components of the light to split the light in at least three different directions, a reflective member to reflect the light reflected by the polarizing beam splitter to a screen, at least one modulator to modulate the light reflected by the reflective member and the light transmitted through the polarizing beam splitter, and a refractive member disposed in an advancing direction of light to be incident upon the polarizing beam splitter to refract the light to be incident upon the polarizing beam splitter.
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公开(公告)号：US09948925B2
公开(公告)日：2018-04-17
申请号：US15122932
申请日：2015-01-29
Applicant: RealD Inc.
Inventor： Chul Woo Lee , Sung Ho Cho
CPC classification number: H04N13/398 , G02B27/22 , G02B27/2264 , G02B27/26 , G02B27/283 , G02F1/134309 , G02F1/1393 , G03B35/26 , H04N13/341 , H04N13/363
Abstract: The present invention relates to a modulator for a stereoscopic image device, comprising: two spaced substrates; two electrodes provided between the substrates; and a liquid crystal unit provided between the electrodes, wherein at least one of the two substrates is divided into a plurality of electrodes, each of which is formed to be insulted, such that a plurality of different voltages can be applied.
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