JP2012532341A - 中間像面における空間多重化を採用した立体視投影システム - Google Patents
中間像面における空間多重化を採用した立体視投影システム Download PDFInfo
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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
- G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/02—Catoptric systems, e.g. image erecting and reversing system
- G02B17/04—Catoptric systems, e.g. image erecting and reversing system using prisms only
- G02B17/045—Catoptric systems, e.g. image erecting and reversing system using prisms only having static image erecting or reversing properties only
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/14—Beam splitting or combining systems operating by reflection only
- G02B27/143—Beam splitting or combining systems operating by reflection only using macroscopically faceted or segmented reflective surfaces
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
- G02B30/25—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type using polarisation techniques
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B35/00—Stereoscopic photography
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B35/00—Stereoscopic photography
- G03B35/18—Stereoscopic photography by simultaneous viewing
- G03B35/26—Stereoscopic photography by simultaneous viewing using polarised or coloured light separating different viewpoint images
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- Crystallography & Structural Chemistry (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
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Abstract
【選択図】図1A
Description
本特許出願は、以下に示す出願に関連し、また、優先権を主張する。(1)2009年6月29日出願の特許仮出願第61/221,482号、"中間像面における空間多重化を採用した立体視投影システム"、発明者Robinson他(Robinson他による特許仮出願)。(2)2009年6月29日出願の特許仮出願第61/221,516号、"開口絞り近傍における空間多重化を採用した立体視投影システム"、発明者Schuck他。(3)2009年7月9日出願の特許仮出願第61/224,416号、"中間像面における空間多重化を採用した立体視投影システム"、発明者Schuck他(Schuck他による特許仮出願)。(4)2009年10月6日出願の特許仮出願第61/249,018号、"中間像面における空間多重化を採用した立体視投影システム"、発明者Schuck他。(5)2009年10月30日出願の特許仮出願第61/256,854号、"中間像面における空間多重化を採用した立体視投影システム"、発明者Schuck他。前記出願の内容は、参照により本明細書に組み込まれる。
Claims (22)
- 入射光路から、第1画像領域光及び第2画像領域光を有する立体視画像フレームを受光し、前記立体視画像フレームを中間像面へと伝播する中継レンズサブシステムと、
前記中間像面における前記立体視画像フレームを受光し、前記第1画像領域光と前記第2画像領域光とを分離して、前記第1画像領域光を第1画像光路に及び前記第2画像領域光を第2画像光路に向ける光分離サブシステムと、
前記第1画像領域光と前記第2画像領域光とを結合する光結合サブシステムと、
前記第1画像領域光及び前記第2画像領域光をスクリーンに向ける投影レンズサブシステムと
を備え、
前記光結合サブシステムから出射した第1画像領域光は、前記第2画像領域光とは直交した偏光状態を有する立体視投影システム。 - 前記光結合サブシステムは、偏光ビームスプリッタ(PBS)を含む請求項1に記載の立体視投影システム。
- 前記投影レンズサブシステムは、単投影レンズを含む請求項1に記載の立体視投影システム。
- 液晶(LC)プロジェクタを更に備える請求項1に記載の立体視投影システム。
- 前記中継レンズサブシステムの前の前記入射光路に位置する整合波長板を更に備え、
前記整合波長板は、前記LCプロジェクタ内の波長板と実質的に分散整合している請求項4に記載の立体視投影システム。 - 前記中継レンズサブシステムの後の中間光路に位置する整合波長板を更に備え、
前記整合波長板は、前記LCプロジェクタ内の波長板と実質的に分散整合している請求項4に記載の立体視投影システム。 - 前記入射光路及び中間光路のどちらか1つに位置する波長選択偏光フィルタを更に備える請求項1に記載の立体視投影システム。
- 出射光路に位置する4分の1波長板を更に備える請求項1に記載の立体視投影システム。
- 前記光分離サブシステムは、第1ミラー及び第2ミラーを含む請求項1に記載の立体視投影システム。
- 前記光分離サブシステムは、内部全反射プリズム、鏡面プリズム、及び、一対の内部全反射プリズムのうちの1つを含む請求項1に記載の立体視投影システム。
- 前記投影レンズサブシステムは、偏光ビームスプリッタ(PBS)及び単投影レンズを含み、
前記PBSは、前記第1画像領域光及び前記第2画像領域光を結合し、
前記単投影レンズは、結合された前記第1画像領域光及び前記第2画像領域光を、前記スクリーンに投影し、
前記第1画像領域光及び前記第2画像領域光は、前記スクリーン上で実質的に重なっている請求項1に記載の立体視投影システム。 - 前記立体視画像フレームは、導光素子を介して、前記中間像面に伝播される請求項1に記載の立体視投影システム。
- 前記導光素子は、ミラー及びプリズムのうちの1つを含む請求項12に記載の立体視投影システム。
- 立体視投影モード及び非立体視投影モードで選択的に動作する投影システムであって、
投影サブシステムから入射光を受光し、前記入射光を中間光路へと伝播する中継レンズサブシステムと、
前記中間光路から前記光を受光して、前記光を、立体視投影のための直交偏光状態を有する左目画像及び右目画像に処理する立体視モジュールと、
前記中間光路から前記光を受光する非立体視モジュールと、
前記立体視モジュール又は前記非立体視モジュールからの光をスクリーンに向かって集光する投影レンズサブシステムと
を備え、
立体視投影モードの場合には、前記立体視モジュールが、前記中間光路に位置し、
非立体視投影モードの場合には、前記非立体視モジュールが、前記中間光路に位置する投影システム。 - 前記立体視投影モード及び前記非立体視投影モードの間の切り替えを行うセレクタを更に備える請求項14に記載の投影システム。
- 前記立体視投影モードの場合には、前記立体視モジュールを前記中間光路に位置させ、前記非立体視投影モードの場合には、前記非立体視モジュールを前記中間光路に選択的に位置させるメカニズムを更に備える請求項14に記載の投影システム。
- 前記立体視投影モード及び前記非立体視投影モードの間で前記メカニズムを移動させるアクチュエータを更に備える請求項16に記載の投影システム。
- 前記中継レンズサブシステムの後に位置し、光を前記中間光路に向ける導光素子を更に備える請求項14に記載の投影システム。
- 前記導光素子は、ミラー及びプリズムからなる群から選択される請求項18に記載の投影システム。
- 前記立体視モジュールは更に、
中間像面における第1画像領域光及び第2画像領域光を有する立体視画像フレームを受光し、前記第1画像領域光と前記第2画像領域光とを分離して、前記第1画像領域光を第1画像光路に及び前記第2画像領域光を第2画像光路に向ける光分離サブシステムと、
前記第1画像領域光と前記第2画像領域光とを結合する光結合サブシステムとを含み、
前記光結合サブシステムから出射した第1画像領域光は、前記第2画像領域光とは直交した偏光状態を有する請求項14に記載の投影システム。 - 液晶(LC)プロジェクタを更に備える請求項14に記載の投影システム。
- 出射光路に位置する4分の1波長板を更に備える請求項14に記載の投影システム。
Applications Claiming Priority (11)
Application Number | Priority Date | Filing Date | Title |
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US22148209P | 2009-06-29 | 2009-06-29 | |
US22151609P | 2009-06-29 | 2009-06-29 | |
US61/221,482 | 2009-06-29 | ||
US61/221,516 | 2009-06-29 | ||
US22441609P | 2009-07-09 | 2009-07-09 | |
US61/224,416 | 2009-07-09 | ||
US24901809P | 2009-10-06 | 2009-10-06 | |
US61/249,018 | 2009-10-06 | ||
US25685409P | 2009-10-30 | 2009-10-30 | |
US61/256,854 | 2009-10-30 | ||
PCT/US2010/040429 WO2011008552A2 (en) | 2009-06-29 | 2010-06-29 | Stereoscopic projection system employing spatial multiplexing at an intermediate image plane |
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JP2012532341A true JP2012532341A (ja) | 2012-12-13 |
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US (2) | US8403488B2 (ja) |
EP (1) | EP2449419B1 (ja) |
JP (1) | JP2012532341A (ja) |
KR (1) | KR20120050982A (ja) |
CN (1) | CN102483520B (ja) |
WO (1) | WO2011008552A2 (ja) |
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US20130222709A1 (en) | 2013-08-29 |
US20100328561A1 (en) | 2010-12-30 |
KR20120050982A (ko) | 2012-05-21 |
US8794764B2 (en) | 2014-08-05 |
WO2011008552A3 (en) | 2011-04-14 |
CN102483520A (zh) | 2012-05-30 |
CN102483520B (zh) | 2014-05-28 |
EP2449419A4 (en) | 2016-08-31 |
EP2449419B1 (en) | 2017-09-20 |
WO2011008552A2 (en) | 2011-01-20 |
US8403488B2 (en) | 2013-03-26 |
EP2449419A2 (en) | 2012-05-09 |
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