JP4694501B2 - 空間内に画像を形成する光学システム - Google Patents
空間内に画像を形成する光学システム Download PDFInfo
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Images
Classifications
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- G—PHYSICS
- G02—OPTICS
- 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
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
-
- G—PHYSICS
- G02—OPTICS
- 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
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
-
- 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
- G02B30/50—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels
- G02B30/56—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels by projecting aerial or floating images
-
- G—PHYSICS
- G02—OPTICS
- 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
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
-
- G—PHYSICS
- G02—OPTICS
- 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
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
- G02B2027/012—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility comprising devices for attenuating parasitic image effects
-
- G—PHYSICS
- G02—OPTICS
- 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
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
- G02B2027/012—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility comprising devices for attenuating parasitic image effects
- G02B2027/0121—Parasitic image effect attenuation by suitable positioning of the parasitic images
-
- G—PHYSICS
- G02—OPTICS
- 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
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0123—Head-up displays characterised by optical features comprising devices increasing the field of view
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- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Polarising Elements (AREA)
- Optical Elements Other Than Lenses (AREA)
Description
Claims (4)
- 空間中に浮遊する実像を形成する方法であって、
像源からの光を、光軸に沿って第1の方向において受け、
前記光を偏光して、前記光軸に沿った、第1の向きを有する円偏光光を作り、
前記円偏光光の第1の部分を広帯域反射/偏光器とビームスプリッタとの間で2回、前記光軸に沿って跳ね返らせることによって、前記円偏光光の前記第1部分が、前記第1の向きと逆の第2の向きを有するようにし、かつ前記第1の方向に前記光軸に沿って向くようにし、前記ビームスプリッタは、前記円偏光光の前記第1部分を前記第1の向きと逆の前記第2の向きを有するようにし、前記広帯域反射/偏光器は、広帯域偏光機能と、前記第1の向きの円偏光光を透過させ前記第2の向きの円偏光光を反射する特性とを有し、
前記広帯域反射/偏光器及び前記ビームスプリッタから前記光軸に沿って前記第1の方向に向かう前記円偏光光の前記第1部分を、前記光軸に沿った直線偏光光に変換し、
前記円偏光光のうちの前記第1部分以外の第2の部分に、前記広帯域反射器/偏光器および前記ビームスプリッタを前記光軸に沿って通過させて、前記円偏光光の前記第2の部分が前記第1の向きを保持するようにし、
前記円偏光光の前記第1部分を通過させるとともに、前記円偏光光の前記第2部分の前記の通過の後に前記円偏光光の前記第2部分を前記光軸に沿って消光し、
前記円偏光光の前記第1部分を前記光軸に沿って空間中のある位置に収束エレメントによって収束させて、前記位置に浮遊する実像を形成し、前記収束エレメントは、前記ビームスプリッタ、前記広帯域反射/偏光器、前記ビームスプリッタおよび前記広帯域反射/偏光器の組み合わせ、または屈折レンズである、
方法。 - 請求項1記載の方法において、前記円偏光光の前記第1部分を収束エレメントによって収束させることは、前記円偏光光の前記第1部分を前記光軸に沿って前記第1方向において収束させることを含む、方法。
- 請求項1記載の方法において、像源から前記光を受けることは、3D像から前記光を受けることを含み、前記円偏光光の前記第1部分を収束させることは、前記円偏光光の前記第1部分を収束させて浮遊する3D実像を形成することを含む、方法。
- 源像の実像を自由空間中に投影する投影光学系であって、前記源像がランダムに偏光された光を介して供給され、前記投影光学系が、
該投影光学系が前記源像に対し作用関係にあるときに前記源像を通して延在する光軸と、
前記光軸に沿って位置し、前記ランダムに偏光された光を偏光させて、第1の向きを有する円偏光光を作る円偏光器と、
前記光軸に沿って位置した経路屈曲光学系であって、該経路屈曲光学系が、
前記光軸に沿って第1の方向において前記円偏光光を受け、
前記円偏光光の第1の部分の前記第1の向きを逆転させて第2の向きにし、
前記円偏光光の前記第1の部分以外の第2の部分を前記光軸に沿って直視光として通し、
前記第2の向きの円偏光光を前記第1方向に前記光軸に沿って出力する、
ように構成され、前記の経路屈曲光学系がビームスプリッタと広帯域反射器/偏光器を含み、前記ビームスプリッタは、前記円偏光光の前記第1部分を前記第1の向きと逆の前記第2の向きを有するようにし、前記広帯域反射/偏光器は、広帯域偏光機能と、前記第1の向きの円偏光光を透過させ前記第2の向きの円偏光光を反射する特性とを有し、前記経路屈曲光学系は、前記円偏光光の前記第1部分を、前記ビームスプリッタと前記広帯域反射器/偏光器との間で2回、前記光軸に沿って跳ね返らせることによって、前記第2の向きの円偏光光を前記第1方向に前記光軸に沿って向けさせる、前記の経路屈曲光学系と、
前記光軸に沿って位置し、前記直視光を消光し、前記第2の向きの円偏光光を前記光軸に沿って前記第1方向に通す直視光消光器と、
前記円偏光光の前記第1部分を収束させて、前記光軸に沿って前記第1方向において浮遊する実像を形成する収束エレメントであって、該収束エレメントが、前記ビームスプリッタ、前記広帯域反射/偏光器、前記ビームスプリッタおよび前記広帯域反射/偏光器の組み合わせ、または屈折レンズである、収束エレメントと、
を備えた投影光学系。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US10/721,128 | 2003-11-25 | ||
US10/721,128 US7242524B2 (en) | 2003-11-25 | 2003-11-25 | Optical system for forming a real image in space |
PCT/US2004/039461 WO2005052651A2 (en) | 2003-11-25 | 2004-11-24 | Optical system for forming an image in space |
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JP2007517241A JP2007517241A (ja) | 2007-06-28 |
JP2007517241A5 JP2007517241A5 (ja) | 2010-08-12 |
JP4694501B2 true JP4694501B2 (ja) | 2011-06-08 |
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US (3) | US7242524B2 (ja) |
EP (1) | EP1690125A4 (ja) |
JP (1) | JP4694501B2 (ja) |
TW (1) | TWI394981B (ja) |
WO (1) | WO2005052651A2 (ja) |
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- 2004-11-24 WO PCT/US2004/039461 patent/WO2005052651A2/en active Application Filing
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Also Published As
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US9151959B2 (en) | 2015-10-06 |
US7242524B2 (en) | 2007-07-10 |
US8064137B2 (en) | 2011-11-22 |
US20090323024A1 (en) | 2009-12-31 |
WO2005052651A3 (en) | 2006-02-16 |
US20050111101A1 (en) | 2005-05-26 |
EP1690125A2 (en) | 2006-08-16 |
TWI394981B (zh) | 2013-05-01 |
JP2007517241A (ja) | 2007-06-28 |
TW200519411A (en) | 2005-06-16 |
EP1690125A4 (en) | 2009-07-08 |
WO2005052651A2 (en) | 2005-06-09 |
US20120062846A1 (en) | 2012-03-15 |
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