JP7173967B2 - ナノスケールパターンを有する液晶回折デバイスおよびそれを製造するための方法 - Google Patents
ナノスケールパターンを有する液晶回折デバイスおよびそれを製造するための方法 Download PDFInfo
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- JP7173967B2 JP7173967B2 JP2019526473A JP2019526473A JP7173967B2 JP 7173967 B2 JP7173967 B2 JP 7173967B2 JP 2019526473 A JP2019526473 A JP 2019526473A JP 2019526473 A JP2019526473 A JP 2019526473A JP 7173967 B2 JP7173967 B2 JP 7173967B2
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- liquid crystal
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- light
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
- B81C1/00436—Shaping materials, i.e. techniques for structuring the substrate or the layers on the substrate
- B81C1/00444—Surface micromachining, i.e. structuring layers on the substrate
- B81C1/0046—Surface micromachining, i.e. structuring layers on the substrate using stamping, e.g. imprinting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
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- G—PHYSICS
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- 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
- G02B30/34—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers
- G02B30/36—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers using refractive optical elements, e.g. prisms, in the optical path between the images and the observer
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- G—PHYSICS
- G02—OPTICS
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- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1809—Diffraction gratings with pitch less than or comparable to the wavelength
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1833—Diffraction gratings comprising birefringent materials
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1861—Reflection gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
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- G—PHYSICS
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- G—PHYSICS
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- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
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- G—PHYSICS
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- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
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- G—PHYSICS
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- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
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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
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
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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
- G02F1/29—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 position or the direction of light beams, i.e. deflection
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- 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
- G02B2006/0098—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings for scanning
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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
- G02B2027/0132—Head-up displays characterised by optical features comprising binocular systems
- G02B2027/0134—Head-up displays characterised by optical features comprising binocular systems of stereoscopic type
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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
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
- G02B2027/0174—Head mounted characterised by optical features holographic
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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
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- G02B27/0179—Display position adjusting means not related to the information to be displayed
- G02B2027/0185—Displaying image at variable distance
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- G02B27/0081—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for altering, e.g. enlarging, the entrance or exit pupil
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- G02B27/0093—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for monitoring data relating to the user, e.g. head-tracking, eye-tracking
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
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- G02B27/10—Beam splitting or combining systems
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
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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
- G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
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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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
- G02F1/133726—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films made of a mesogenic material
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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
- G02F2202/00—Materials and properties
- G02F2202/36—Micro- or nanomaterials
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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
- G02F2202/00—Materials and properties
- G02F2202/40—Materials having a particular birefringence, retardation
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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
- G02F2203/00—Function characteristic
- G02F2203/24—Function characteristic beam steering
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- G—PHYSICS
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- 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
- G02F2203/28—Function characteristic focussing or defocussing
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Manufacturing & Machinery (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Nanotechnology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Liquid Crystal (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Polarising Elements (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022161547A JP7560520B2 (ja) | 2016-11-18 | 2022-10-06 | ナノスケールパターンを有する液晶回折デバイスおよびそれを製造するための方法 |
| JP2024123037A JP7767521B2 (ja) | 2016-11-18 | 2024-07-30 | ナノスケールパターンを有する液晶回折デバイスおよびそれを製造するための方法 |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662424341P | 2016-11-18 | 2016-11-18 | |
| US62/424,341 | 2016-11-18 | ||
| US15/795,067 US11067860B2 (en) | 2016-11-18 | 2017-10-26 | Liquid crystal diffractive devices with nano-scale pattern and methods of manufacturing the same |
| US15/795,067 | 2017-10-26 | ||
| PCT/US2017/061369 WO2018093730A1 (en) | 2016-11-18 | 2017-11-13 | Liquid crystal diffractive devices with nano-scale pattern and methods of manufacturing the same |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022161547A Division JP7560520B2 (ja) | 2016-11-18 | 2022-10-06 | ナノスケールパターンを有する液晶回折デバイスおよびそれを製造するための方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2019536100A JP2019536100A (ja) | 2019-12-12 |
| JP2019536100A5 JP2019536100A5 (enExample) | 2020-12-24 |
| JP7173967B2 true JP7173967B2 (ja) | 2022-11-16 |
Family
ID=62146668
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019526473A Ceased JP7173967B2 (ja) | 2016-11-18 | 2017-11-13 | ナノスケールパターンを有する液晶回折デバイスおよびそれを製造するための方法 |
| JP2022161547A Active JP7560520B2 (ja) | 2016-11-18 | 2022-10-06 | ナノスケールパターンを有する液晶回折デバイスおよびそれを製造するための方法 |
| JP2024123037A Active JP7767521B2 (ja) | 2016-11-18 | 2024-07-30 | ナノスケールパターンを有する液晶回折デバイスおよびそれを製造するための方法 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022161547A Active JP7560520B2 (ja) | 2016-11-18 | 2022-10-06 | ナノスケールパターンを有する液晶回折デバイスおよびそれを製造するための方法 |
| JP2024123037A Active JP7767521B2 (ja) | 2016-11-18 | 2024-07-30 | ナノスケールパターンを有する液晶回折デバイスおよびそれを製造するための方法 |
Country Status (10)
| Country | Link |
|---|---|
| US (4) | US11067860B2 (enExample) |
| EP (2) | EP4235264B1 (enExample) |
| JP (3) | JP7173967B2 (enExample) |
| KR (2) | KR102716957B1 (enExample) |
| CN (2) | CN114935862A (enExample) |
| AU (1) | AU2017362910B2 (enExample) |
| CA (1) | CA3044436A1 (enExample) |
| IL (3) | IL299643B2 (enExample) |
| TW (1) | TWI769191B (enExample) |
| WO (1) | WO2018093730A1 (enExample) |
Families Citing this family (55)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6863896B2 (ja) | 2014-09-29 | 2021-04-21 | マジック リープ,インコーポレイティド | 導波路から異なる波長の光を出力する構造および方法 |
| WO2016149416A1 (en) | 2015-03-16 | 2016-09-22 | Magic Leap, Inc. | Methods and systems for diagnosing and treating health ailments |
| IL295566B2 (en) | 2015-06-15 | 2024-01-01 | Magic Leap Inc | Display system with optical elements for in-coupling multiplexed light streams |
| WO2017176898A1 (en) | 2016-04-08 | 2017-10-12 | Magic Leap, Inc. | Augmented reality systems and methods with variable focus lens elements |
| WO2017197020A1 (en) | 2016-05-12 | 2017-11-16 | Magic Leap, Inc. | Distributed light manipulation over imaging waveguide |
| IL266677B2 (en) | 2016-11-18 | 2023-11-01 | Magic Leap Inc | A waveguide light multiplexer using crossed gratings |
| US11067860B2 (en) | 2016-11-18 | 2021-07-20 | Magic Leap, Inc. | Liquid crystal diffractive devices with nano-scale pattern and methods of manufacturing the same |
| EP3542215B1 (en) | 2016-11-18 | 2022-11-02 | Magic Leap, Inc. | Spatially variable liquid crystal diffraction gratings |
| KR102639600B1 (ko) | 2016-11-18 | 2024-02-21 | 매직 립, 인코포레이티드 | 넓은 입사 각도 범위들의 광을 방향전환시키기 위한 다중층 액정 회절 격자들 |
| EP3552057B1 (en) | 2016-12-08 | 2022-01-05 | Magic Leap, Inc. | Diffractive devices based on cholesteric liquid crystal |
| CA3046328A1 (en) | 2016-12-14 | 2018-06-21 | Magic Leap, Inc. | Patterning of liquid crystals using soft-imprint replication of surface alignment patterns |
| US10371896B2 (en) * | 2016-12-22 | 2019-08-06 | Magic Leap, Inc. | Color separation in planar waveguides using dichroic filters |
| AU2018210527B2 (en) | 2017-01-23 | 2022-12-01 | Magic Leap, Inc. | Eyepiece for virtual, augmented, or mixed reality systems |
| IL268630B2 (en) | 2017-02-23 | 2023-09-01 | Magic Leap Inc | Display system with variable power reflector |
| KR102576133B1 (ko) | 2017-03-21 | 2023-09-07 | 매직 립, 인코포레이티드 | 회절 광학 엘리먼트들을 이용한 눈-이미징 장치 |
| CN110945415B (zh) * | 2017-05-17 | 2022-09-13 | 元平台技术有限公司 | 用于偏振旋转的液晶盒 |
| IL273397B2 (en) | 2017-09-21 | 2024-09-01 | Magic Leap Inc | An augmented reality display with a waveguide configured to capture images of an eye and/or environment |
| KR102716968B1 (ko) | 2017-12-15 | 2024-10-11 | 매직 립, 인코포레이티드 | 증강 현실 디스플레이 시스템을 위한 접안렌즈들 |
| WO2019131918A1 (ja) | 2017-12-28 | 2019-07-04 | 富士フイルム株式会社 | 光学素子および導光素子 |
| US10817052B1 (en) * | 2018-01-09 | 2020-10-27 | Facebook Technologies, Llc | Eye emulator devices |
| JP6975321B2 (ja) * | 2018-04-05 | 2021-12-01 | 富士フイルム株式会社 | 光学素子および導光素子 |
| US10877214B2 (en) | 2018-05-04 | 2020-12-29 | Facebook Technologies, Llc | Diffraction gratings for beam redirection |
| EP3807715B1 (en) | 2018-06-15 | 2025-09-24 | Magic Leap, Inc. | Wide field-of-view polarization switches with liquid crystal optical elements with pretilt |
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