KR970068674A - 3-D IMAGE PROJECTOR USING OPTICAL REFLECTIVE MODULATOR USING REFLECTIVE OPTICAL MODULATOR - Google Patents

3-D IMAGE PROJECTOR USING OPTICAL REFLECTIVE MODULATOR USING REFLECTIVE OPTICAL MODULATOR Download PDF

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Publication number
KR970068674A
KR970068674A KR1019960007295A KR19960007295A KR970068674A KR 970068674 A KR970068674 A KR 970068674A KR 1019960007295 A KR1019960007295 A KR 1019960007295A KR 19960007295 A KR19960007295 A KR 19960007295A KR 970068674 A KR970068674 A KR 970068674A
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South Korea
Prior art keywords
light
parallel
projection
image display
stereoscopic image
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KR1019960007295A
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Korean (ko)
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KR0184364B1 (en
Inventor
이동희
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배순훈
대우전자 주식회사
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Priority to KR1019960007295A priority Critical patent/KR0184364B1/en
Publication of KR970068674A publication Critical patent/KR970068674A/en
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Publication of KR0184364B1 publication Critical patent/KR0184364B1/en

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/015—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on semiconductor elements having potential barriers, e.g. having a PN or PIN junction
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/0102—Constructional details, not otherwise provided for in this subclass
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2203/00—Function characteristic
    • G02F2203/02—Function characteristic reflective

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

본 발명은 반사형 광모듈레이터를 이용한 투사형 입체화상표시장치에 관한 것으로, 고휘도의 백색광을 방사하는 광원과, 상기 광원으로부터 방사광을 집속시키는 광집속수단과, 상기 광집속수단에 의해 집속된 입사광을 S파편광빔과 P파편광빔으로 분리하는 빔분리수단과, 상기 빔분리수단으로부터 분리된 광을 광변조하여 반사시키는 제 1 및 제 2 광변조수단과, 상기 제 1 및 제 2 광변조수단에 의해 광변조되어 반사된 광을 스크린으로 투사시키는 투사렌즈로 이루어지는 광반사형 모듈레이터를 이용한 투사형 입체화상표시장치에 있어서, 상기 제 1 및 제 2 광변조수단과 빔분리수단의 사이에 상기 빔분리수단을 통과한 평행광이 다수개의 분리된 보다 작은 폭의 집속평행빔으로 전환되도록 하는 복수의 마이크로 렌즈 어레이패널과, 상기 집속평행빔이 평행하게 통과되도록 하는 복수의 픽셀스톱과, 상기 픽셀스톱을 통과하여 입사된 집속평행빔이 각각 R, G, B의 빔으로 분리되도록 하는 다이크로익 미러 어레인지먼트패널로 구성되는 색분리수단이 설치된 구조로 이루어지도록 구성하므로써 2개의 반사형 광모듈레이터를 이용하여 컬러 입체영상을 디스플레이할 수 있도록 한 것이다.The present invention relates to a projection type stereoscopic image display device using a reflection type optical modulator, and more particularly, to a projection type stereoscopic image display device using a reflection type optical modulator, which comprises a light source that emits white light of high brightness, a light focusing means that focuses the emitted light from the light source, Beam splitting means for splitting the beam splitting means into a split polarized beam and a split P-polarized beam; first and second optical modulation means for optically modulating and reflecting the light separated from the beam splitting means; And a projection lens for projecting the light that has been optically modulated and reflected by the projection optical system to a screen, the projection type stereoscopic image display apparatus comprising: a beam splitter A plurality of microlens array panels for converting parallel light that has passed through the plurality of microlens array panels into a plurality of separated smaller-width focused parallel beams, And a dichroic mirror array panel for separating the parallel parallel beams incident through the pixel stops into beams of R, G, and B, respectively, are provided So that a color stereoscopic image can be displayed using two reflective optical modulators.

Description

반사형 광모듈레이터를 이용한 투사형 입체화상표시장치(3-D IMAGE PROJECTOR USING OPTICAL REFLECTIVE MODULATOR)3-D IMAGE PROJECTOR USING OPTICAL REFLECTIVE MODULATOR USING REFLECTIVE OPTICAL MODULATOR

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제 2도는 본 발명에 따른 반사형 광모듈레이터를 이용한 투사형 입체 화상표시장치의 광학계를 나타내는 구성도, 제 3도는 본 발명의 투사형 입체화상표시장치에서 반사형 광모듈레이터 및 색분리수단을 나타내는 확대도.FIG. 3 is a magnified view showing a reflective optical modulator and a color separating means in a projection type stereoscopic image display apparatus according to the present invention. FIG. 3 is a schematic view showing an optical system of a projection type stereoscopic image display apparatus using a reflective optical modulator according to the present invention.

Claims (3)

고휘도의 백색광을 방사하는 광원(30)과, 상기 광원(30)으로부터 방사광을 집속시키는 광집속수단(32)과;상기 광집속수단(32)에 의해 집속된 입사광을 S파편광빔과 P파편광빔으로 분리하는 빔분리수단(34)과, 상기 빔분리수단(34)으로부터 분리된 광을 광변조하여 반사시키는 제 1 및 제 2광변조수단(36)과; 상기 제 1 및 제 2 광변조수단(36)에 의해 광변조되어 반사된 광을 스크린으로 투사시키는 투사렌즈(38)로 이루어지는 반사형 광모듈레이터를 이용한 투사형 입체화상표시장치에 있어서, 상기 제 1 및 제 2광변조수단과(36)과 빔분리수단(34)의 사이에 상기 빔분리수단(34)을 통과한 평행광이 다수개의 분리된 보다 작은 폭의 집속평행빔으로 전환되도록 하는 복수의 마이크로 렌즈 어레이패널(40)과, 상기 집속평행빔이 평행하게 통과되도록 하는 복수의 픽셀스톱(42)과, 상기 픽셀스톱(42)을 통과하여 입사된 집속평행빔이 각각 R, G, B의 빔으로 분리되도록 하는 다이크로익 미러 어레인지먼트패널(44)로 구성되는 색분리수단(46)이 설치된 구조로 이루어진 것을 특징으로 하는 반사형 광모듈레이터를 이용한 투사형 입체화상 표시장치.A light source 30 that emits high-intensity white light; a light focusing means 32 that focuses the emitted light from the light source 30; an S-polarized beam and a P-polarized beam that are focused by the light focusing means 32; First and second optical modulation means (36) for optically modulating and reflecting the light separated from the beam splitting means (34); And a projection lens (38) for projecting light reflected and modulated by the first and second light modulating means (36) onto a screen, the projection type stereoscopic image display device comprising: A plurality of micro-beams for converting the parallel light that has passed through the beam splitting means 34 into a plurality of separated smaller-width focused parallel beams between the second optical modulation means 36 and the beam splitting means 34, A lens array panel 40, a plurality of pixel stops 42 through which the parallel parallel beams are passed in parallel, and a converging parallel beam incident through the pixel stops 42, , And a dichroic mirror arrangement panel (44) for separating the color separation means (46) from the projection optical system. 제 1항 있어서, 상기 빔분리수단(34)은 편광빔분리프리즘(54)으로 이루어지되, 상기 편광빔분리프리즘(54)의 투사측에는 평행광으로부터 열선을 제거하기 위한 적외선/자외선차단필터(56)가 설치되고, 상기 편광빔분리프리즘(54)의 반사측으로부터 약간 떨어진 위치에는 λ/4플레이트(58)가 설치된 것을 특징으로 하는 반사형 광모듈레이터를 이용한 투사형 입체화상표시장치.The apparatus according to claim 1, wherein the beam splitter (34) comprises a polarizing beam splitter prism (54), and the projection side of the polarizing beam splitter prism (54) is provided with an infrared / ultraviolet blocking filter And a? / 4 plate (58) is provided at a position slightly distant from the reflecting side of the polarized beam separating prism (54). The projection type three-dimensional image display device according to claim 1, 제 1항 있어서, 상기 다이크로익 미러 어레인지먼트패널(44)은 중앙부에서 서로 교차되게 설치되는 두개의 다이크로익 필터(62)와; 상기 다이크로익 필터(62)를 지나면서 분리되어 입사빔의 진행방향에 대하여 직각으로분리되는 2색성분을 반사하기 위한 2개의 반사미러(64)로 이루어진 것을 특징으로 하는 반사형 광모듈레이터를 이용한 투사형 입체화상표시장치.The dichroic mirror assembly according to claim 1, wherein the dichroic mirror array panel (44) comprises two dichroic filters (62) crossing each other at a central portion thereof; And two reflection mirrors (64) separated from the dichroic filter (62) to separate two color components separated at a right angle with respect to the traveling direction of the incident beam. The reflection type optical modulator A stereoscopic image display device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960007295A 1996-03-19 1996-03-19 3d image projector using optical reflective modulator KR0184364B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100694502B1 (en) * 2005-09-29 2007-03-13 (주)세븐데이타 Solid vedio displayer
CN109307935A (en) * 2018-11-13 2019-02-05 深圳创维新世界科技有限公司 Space projection shows equipment

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4341397B2 (en) * 2003-12-16 2009-10-07 セイコーエプソン株式会社 Light propagation characteristic control apparatus, optical display apparatus, light propagation characteristic control program, optical display apparatus control program, light propagation characteristic control method, optical display apparatus control method, and projector
KR100608023B1 (en) 2005-01-07 2006-08-02 삼성전자주식회사 Projection type 3D image display using a projector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100694502B1 (en) * 2005-09-29 2007-03-13 (주)세븐데이타 Solid vedio displayer
CN109307935A (en) * 2018-11-13 2019-02-05 深圳创维新世界科技有限公司 Space projection shows equipment
CN109307935B (en) * 2018-11-13 2023-12-01 深圳创维新世界科技有限公司 Space projection display device

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