JP7273041B2 - レーザ・プロジェクタ及び回折ディスプレイ・デバイス - Google Patents
レーザ・プロジェクタ及び回折ディスプレイ・デバイス Download PDFInfo
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- JP7273041B2 JP7273041B2 JP2020533718A JP2020533718A JP7273041B2 JP 7273041 B2 JP7273041 B2 JP 7273041B2 JP 2020533718 A JP2020533718 A JP 2020533718A JP 2020533718 A JP2020533718 A JP 2020533718A JP 7273041 B2 JP7273041 B2 JP 7273041B2
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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
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B27/0103—Head-up displays characterised by optical features comprising holographic elements
-
- 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
- G02B27/10—Beam splitting or combining systems
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
- G02B27/102—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources
- G02B27/104—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with scanning systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
- G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
-
- 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
- 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
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
-
- 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
- G02B27/10—Beam splitting or combining systems
- G02B27/12—Beam splitting or combining systems operating by refraction only
- G02B27/126—The splitting element being a prism or prismatic array, including systems based on total internal reflection
-
- 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
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/4272—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having plural diffractive elements positioned sequentially along the optical path
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0026—Wavelength selective element, sheet or layer, e.g. filter or grating
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0076—Stacked arrangements of multiple light guides of the same or different cross-sectional area
-
- 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
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
-
- 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
- G03B21/28—Reflectors in projection beam
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/34—Optical coupling means utilising prism or grating
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Transforming Electric Information Into Light Information (AREA)
Description
Claims (7)
- 導波管平面上にイメージを提示するためのレーザ・プロジェクタであって、
複数の狭い波長の光ビームを放出することができるレーザ源と、
前記レーザ源によって放出された光を前記導波管平面の異なる瞳孔まで誘導するための案内要素であって、前記導波管平面内で前記異なる瞳孔が互いを基準としてずらされる、案内要素と
を備え、
前記レーザ源及び前記案内要素が、前記導波管平面上で空間的に分離されて前記異なる瞳孔の中に入る少なくとも3つの狭い波長のビームを作るように適合され、
前記レーザ源及び前記案内要素が、前記狭い波長のビームを異なる角度で前記異なる瞳孔まで誘導するように適合され、前記レーザ源が、前記少なくとも3つの狭い波長のビームに対応する少なくとも3つの初期ビームを作るように適合される少なくとも3つの異なるレーザ・サブ・ソースを備え、前記初期ビームが異なる角度で前記案内要素上まで伝播し、前記案内要素が、異なる角度の前記初期ビームをそれぞれ前記異なる瞳孔の方に反射するようにさらに適合され、
前記サブ・ソースが、前記案内要素の方に向けられた、異なるロケーション及び角度にあるレーザ源であり、
前記異なる瞳孔が前記導波管平面上で互いに直線状に又は三角形に位置し、互いに重なり合わない、レーザ・プロジェクタ。 - 前記レーザ源が、3つのレーザ源と、前記案内要素の方に向かう異なる角度の前記狭い波長のビームを作るように適合されるプリズム・カプラとを備える、請求項1に記載のプロジェクタ。
- 前記案内要素が1つ又は複数のマイクロ電気機械ミラーを備える、請求項1又は2に記載のプロジェクタ。
- 前記案内要素が、前記イメージを形成することを目的として前記入力瞳孔内の異なるロケーション上にスキャニング・ビームを作るように移動可能である、請求項1から3までのいずれか一項に記載のプロジェクタ。
- 回折パーソナル・ディスプレイ・デバイスであって、
導波管平面を有し、前記導波管平面の中で互いからずらされる少なくとも3つの入力瞳孔を備える回折導波管と、
少なくとも3つの狭い波長の光ビームを前記入力瞳孔に投射するためのプロジェクタと
を備え、
前記プロジェクタが請求項1から4までのいずれか一項に記載のプロジェクタである、
回折パーソナル・ディスプレイ・デバイス。 - 前記導波管が少なくとも3つの導波管層を備え、前記入力瞳孔が異なる層に位置する、請求項5に記載のデバイス。
- 各入力瞳孔が回折用の入力部回折格子を備え、前記導波管が、使用者に対して多色イメージを提示するために互いに位置合わせされる複数の出力部回折格子をさらに備える、請求項5又は6に記載のデバイス。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20176163 | 2017-12-22 | ||
FI20176163A FI128044B (en) | 2017-12-22 | 2017-12-22 | Laser projector and diffractive display device |
PCT/FI2018/050929 WO2019122516A1 (en) | 2017-12-22 | 2018-12-14 | Laser projector and diffractive display device |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021508079A JP2021508079A (ja) | 2021-02-25 |
JP7273041B2 true JP7273041B2 (ja) | 2023-05-12 |
Family
ID=66994453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020533718A Active JP7273041B2 (ja) | 2017-12-22 | 2018-12-14 | レーザ・プロジェクタ及び回折ディスプレイ・デバイス |
Country Status (8)
Country | Link |
---|---|
US (1) | US11435592B2 (ja) |
EP (1) | EP3707549A4 (ja) |
JP (1) | JP7273041B2 (ja) |
KR (1) | KR20200107961A (ja) |
CN (1) | CN111492300A (ja) |
CA (1) | CA3083994C (ja) |
FI (1) | FI128044B (ja) |
WO (1) | WO2019122516A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI129586B (en) * | 2017-12-22 | 2022-05-13 | Dispelix Oy | Waveguide display element with many pupils and display device |
US20220326537A1 (en) * | 2020-01-10 | 2022-10-13 | Google Llc | Optical elements for displays |
Citations (8)
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JP2013222058A (ja) | 2012-04-16 | 2013-10-28 | Dainippon Printing Co Ltd | 照明装置、投射装置および投射型映像表示装置 |
JP2015099238A (ja) | 2013-11-19 | 2015-05-28 | セイコーエプソン株式会社 | 光学デバイス及び電子機器 |
JP2015192080A (ja) | 2014-03-28 | 2015-11-02 | 株式会社Screenホールディングス | 光照射装置および描画装置 |
WO2016113533A2 (en) | 2015-01-12 | 2016-07-21 | Milan Momcilo Popovich | Holographic waveguide light field displays |
US20160286204A1 (en) | 2014-12-29 | 2016-09-29 | Magic Leap, Inc. | Light projector using an acousto-optical control device |
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US20170255016A1 (en) | 2016-03-01 | 2017-09-07 | Magic Leap, Inc. | Reflective switching device for inputting different wavelengths of light into waveguides |
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CN109116666B (zh) * | 2017-06-23 | 2021-06-11 | 中强光电股份有限公司 | 投影机与照明系统 |
JP2020076880A (ja) * | 2018-11-08 | 2020-05-21 | セイコーエプソン株式会社 | 画像表示装置 |
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-
2017
- 2017-12-22 FI FI20176163A patent/FI128044B/en active IP Right Grant
-
2018
- 2018-12-14 EP EP18890678.8A patent/EP3707549A4/en active Pending
- 2018-12-14 CA CA3083994A patent/CA3083994C/en active Active
- 2018-12-14 WO PCT/FI2018/050929 patent/WO2019122516A1/en unknown
- 2018-12-14 KR KR1020207019837A patent/KR20200107961A/ko not_active Application Discontinuation
- 2018-12-14 US US16/954,864 patent/US11435592B2/en active Active
- 2018-12-14 JP JP2020533718A patent/JP7273041B2/ja active Active
- 2018-12-14 CN CN201880082062.8A patent/CN111492300A/zh active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013222058A (ja) | 2012-04-16 | 2013-10-28 | Dainippon Printing Co Ltd | 照明装置、投射装置および投射型映像表示装置 |
JP2015099238A (ja) | 2013-11-19 | 2015-05-28 | セイコーエプソン株式会社 | 光学デバイス及び電子機器 |
US20160327789A1 (en) | 2013-11-27 | 2016-11-10 | Magic Leap, Inc. | Separated pupil optical systems for virtual and augmented reality and methods for displaying images using same |
JP2017511894A (ja) | 2014-01-31 | 2017-04-27 | マジック リープ, インコーポレイテッド | 多焦点表示システムおよび方法 |
JP2015192080A (ja) | 2014-03-28 | 2015-11-02 | 株式会社Screenホールディングス | 光照射装置および描画装置 |
US20160286204A1 (en) | 2014-12-29 | 2016-09-29 | Magic Leap, Inc. | Light projector using an acousto-optical control device |
WO2016113533A2 (en) | 2015-01-12 | 2016-07-21 | Milan Momcilo Popovich | Holographic waveguide light field displays |
US20170255016A1 (en) | 2016-03-01 | 2017-09-07 | Magic Leap, Inc. | Reflective switching device for inputting different wavelengths of light into waveguides |
Also Published As
Publication number | Publication date |
---|---|
EP3707549A4 (en) | 2021-08-11 |
KR20200107961A (ko) | 2020-09-16 |
EP3707549A1 (en) | 2020-09-16 |
CA3083994C (en) | 2024-02-13 |
CA3083994A1 (en) | 2019-06-27 |
JP2021508079A (ja) | 2021-02-25 |
FI128044B (en) | 2019-08-30 |
FI20176163A1 (en) | 2019-06-23 |
US20210088798A1 (en) | 2021-03-25 |
WO2019122516A1 (en) | 2019-06-27 |
CN111492300A (zh) | 2020-08-04 |
US11435592B2 (en) | 2022-09-06 |
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