JP7247437B2 - 二重周期格子を有する回折素子 - Google Patents
二重周期格子を有する回折素子 Download PDFInfo
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- JP7247437B2 JP7247437B2 JP2019566820A JP2019566820A JP7247437B2 JP 7247437 B2 JP7247437 B2 JP 7247437B2 JP 2019566820 A JP2019566820 A JP 2019566820A JP 2019566820 A JP2019566820 A JP 2019566820A JP 7247437 B2 JP7247437 B2 JP 7247437B2
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- 230000000737 periodic effect Effects 0.000 title claims description 35
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- 230000008878 coupling Effects 0.000 claims description 8
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- 238000000034 method Methods 0.000 claims description 6
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- 238000013461 design Methods 0.000 description 39
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Images
Classifications
-
- 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
- G02B27/017—Head mounted
- G02B27/0172—Head mounted 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
- G02B27/0081—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
-
- 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
-
- 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
- G02B27/4205—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant
-
- 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
- G02B5/1819—Plural gratings positioned on the same surface, e.g. array of gratings
-
- G—PHYSICS
- G02—OPTICS
- 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
-
- 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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
-
- 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
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
- G02B2027/0174—Head mounted characterised by optical features holographic
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Optical Couplings Of Light Guides (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20175509 | 2017-06-02 | ||
| FI20175509A FI128413B (en) | 2017-06-02 | 2017-06-02 | Diffractive element with double period lattices |
| PCT/FI2018/050371 WO2018220266A1 (en) | 2017-06-02 | 2018-05-18 | Diffractive element with doubly periodic gratings |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2020524296A JP2020524296A (ja) | 2020-08-13 |
| JP2020524296A5 JP2020524296A5 (enExample) | 2021-06-17 |
| JP7247437B2 true JP7247437B2 (ja) | 2023-03-29 |
Family
ID=64455295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019566820A Active JP7247437B2 (ja) | 2017-06-02 | 2018-05-18 | 二重周期格子を有する回折素子 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US12242088B2 (enExample) |
| EP (1) | EP3631566A4 (enExample) |
| JP (1) | JP7247437B2 (enExample) |
| CN (1) | CN111065953B (enExample) |
| FI (1) | FI128413B (enExample) |
| WO (1) | WO2018220266A1 (enExample) |
Families Citing this family (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102681845B1 (ko) | 2018-12-26 | 2024-07-04 | 삼성전자주식회사 | 광학 디바이스 및 이를 이용한 광 출력 방법 |
| CN109407392B (zh) * | 2019-01-02 | 2021-08-06 | 京东方科技集团股份有限公司 | 液晶显示屏和虚拟现实头戴设备 |
| KR102330600B1 (ko) * | 2019-02-22 | 2021-11-26 | 주식회사 엘지화학 | 회절 도광판 및 이를 포함하는 디스플레이 장치 |
| WO2020171666A1 (ko) * | 2019-02-22 | 2020-08-27 | 주식회사 엘지화학 | 회절 도광판 및 이를 포함하는 디스플레이 장치 |
| KR102344866B1 (ko) * | 2019-03-13 | 2021-12-30 | 주식회사 엘지화학 | 회절 도광판 |
| JP7346864B2 (ja) * | 2019-03-22 | 2023-09-20 | セイコーエプソン株式会社 | 表示装置の制御方法 |
| CN113396354B (zh) * | 2019-04-16 | 2024-12-27 | 迪斯帕列斯有限公司 | 衍射波导元件、个人显示设备和在其上提供图像的方法 |
| EP3987343A4 (en) | 2019-06-20 | 2023-07-19 | Magic Leap, Inc. | EYEWEARS FOR AUGMENTED REALITY DISPLAY SYSTEM |
| CN112444980A (zh) * | 2019-09-05 | 2021-03-05 | 苏州苏大维格科技集团股份有限公司 | 波导镜片及ar显示装置 |
| CN110908126B (zh) * | 2019-12-24 | 2024-09-20 | 杭州光粒科技有限公司 | 一种显示装置 |
| FI130494B (en) * | 2020-05-29 | 2023-10-06 | Dispelix Oy | Improved exit pupil expander |
| EP4139607A4 (en) * | 2020-06-09 | 2023-12-27 | Vuzix Corporation | IMAGE LIGHT GUIDE WITH ZONED DIFFRACTIVE OPTICS |
| EP4226194A4 (en) * | 2020-11-25 | 2024-10-30 | Vuzix Corporation | IMAGE LIGHT GUIDE WITH DIFFRACTIVE OPTICAL ZONE STRUCTURE |
| WO2022159716A1 (en) * | 2021-01-22 | 2022-07-28 | Vuzix Corporation | Image light guide with compound in-coupling diffractive optic |
| CN114791641A (zh) * | 2021-01-26 | 2022-07-26 | 华为技术有限公司 | 一种衍射光学器件及终端设备 |
| KR20240097972A (ko) * | 2021-05-19 | 2024-06-27 | 루머스 리미티드 | 액티브 광학 엔진 |
| CN115755387B (zh) * | 2021-09-03 | 2025-11-18 | 宁波舜宇车载光学技术有限公司 | 增强现实显示镜片及装置 |
| CN113960796B (zh) * | 2021-10-15 | 2025-05-30 | 嘉兴驭光光电科技有限公司 | 衍射光波导、显示设备及衍射光波导设计方法 |
| CN114355611A (zh) * | 2021-12-24 | 2022-04-15 | 嘉兴驭光光电科技有限公司 | 近眼显示装置以及近眼显示装置的对比度调节方法 |
| CN114280791B (zh) * | 2021-12-29 | 2024-03-05 | 材料科学姑苏实验室 | 一种衍射光波导器件及其制备方法 |
| CN114217375B (zh) * | 2021-12-31 | 2023-08-29 | 珠海莫界科技有限公司 | 一种高亮度均匀性的衍射光波导器件以及头戴ar显示设备 |
| CN115166897B (zh) * | 2022-01-13 | 2023-04-07 | 北京驭光科技发展有限公司 | 衍射光波导及显示设备 |
| CN115166896B (zh) * | 2022-01-13 | 2023-04-18 | 北京驭光科技发展有限公司 | 显示设备、显示用衍射光波导及其设计方法 |
| CN114545549B (zh) * | 2022-01-13 | 2023-05-30 | 嘉兴驭光光电科技有限公司 | 用于衍射显示的光学波导装置及显示设备 |
| CN115166895B (zh) * | 2022-01-13 | 2023-04-07 | 北京驭光科技发展有限公司 | 显示设备、显示用衍射光波导及其设计方法 |
| JP2023104223A (ja) * | 2022-01-17 | 2023-07-28 | ソニーグループ株式会社 | 導光板及び画像表示装置 |
| CN115494574B (zh) * | 2022-01-30 | 2023-07-28 | 珠海莫界科技有限公司 | 一种光波导模组及ar显示装置 |
| CN114527573B (zh) * | 2022-02-28 | 2025-01-10 | 舜宇奥来微纳光电信息技术(上海)有限公司 | 光波导组件和近眼显示设备 |
| CN114660818B (zh) * | 2022-03-29 | 2023-02-28 | 歌尔股份有限公司 | 光波导系统及增强现实设备 |
| CN114818315B (zh) * | 2022-04-23 | 2025-03-25 | 中国科学院长春光学精密机械与物理研究所 | 基于链表处理的平面光学系统仿真分析方法及设备 |
| CN116107087A (zh) * | 2022-04-29 | 2023-05-12 | 上海鲲游科技有限公司 | 一种衍射光波导及其设计方法 |
| CN115236859B (zh) * | 2022-06-06 | 2023-09-05 | 北京理工大学 | 一种二维衍射波导显示系统及其显示均匀性优化方法 |
| CN115236788B (zh) * | 2022-06-27 | 2024-09-06 | 北京灵犀微光科技有限公司 | 光波导器件、近眼显示装置以及智能眼镜 |
| CN114935790B (zh) * | 2022-07-21 | 2022-09-27 | 北京驭光科技发展有限公司 | 衍射光波导及显示设备 |
| CN118091818A (zh) * | 2022-11-22 | 2024-05-28 | 苏州苏大维格科技集团股份有限公司 | 超构形态拓扑光波导及增强现实显示设备 |
| CN118210091B (zh) * | 2022-12-16 | 2025-09-02 | 上海鲲游科技有限公司 | 二维光栅结构、扩瞳结构以及耦出结构 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5937115A (en) | 1997-02-12 | 1999-08-10 | Foster-Miller, Inc. | Switchable optical components/structures and methods for the fabrication thereof |
| US20090128911A1 (en) | 2005-09-14 | 2009-05-21 | Moti Itzkovitch | Diffraction Grating With a Spatially Varying Duty-Cycle |
| US20090245730A1 (en) | 2008-01-24 | 2009-10-01 | Carl Zeiss Ag | Optical Display Device |
| US20100284085A1 (en) | 2006-09-28 | 2010-11-11 | Nokia Corporation | Beam expansion with three-dimensional diffractive elements |
| CN103245996A (zh) | 2013-05-16 | 2013-08-14 | 中国科学院长春光学精密机械与物理研究所 | 一种阵列式多光谱滤光片及其制作方法 |
| US20140300966A1 (en) | 2011-08-29 | 2014-10-09 | Vuzix Corporation | Controllable waveguide for near-eye display applications |
| JP2015523586A (ja) | 2012-04-25 | 2015-08-13 | ロックウェル・コリンズ・インコーポレーテッド | ホログラフィック広角ディスプレイ |
| US20170102543A1 (en) | 2015-10-07 | 2017-04-13 | Tuomas Vallius | Diffractive optical element with integrated in-coupling, exit pupil expansion, and out-coupling |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4856869A (en) * | 1986-04-08 | 1989-08-15 | Canon Kabushiki Kaisha | Display element and observation apparatus having the same |
| AU3052499A (en) | 1998-04-02 | 1999-10-25 | Elop Electro-Optics Industries Ltd. | Holographic optical devices |
| US6993223B2 (en) * | 2000-03-16 | 2006-01-31 | Lightsmyth Technologies, Inc. | Multiple distributed optical structures in a single optical element |
| KR20020041400A (ko) | 2000-05-04 | 2002-06-01 | 요트.게.아. 롤페즈 | 다색의 반사 액정 디스플레이를 갖는 장치를 위한 조명 유닛 |
| US20060126181A1 (en) | 2004-12-13 | 2006-06-15 | Nokia Corporation | Method and system for beam expansion in a display device |
| WO2007141589A1 (en) | 2006-06-02 | 2007-12-13 | Nokia Corporation | Stereoscopic exit pupil expander display |
| EP2080044B1 (en) | 2006-10-31 | 2012-07-11 | Modilis Holdings LLC | Light outcoupling structure for a lighting device |
| US8160411B2 (en) | 2006-12-28 | 2012-04-17 | Nokia Corporation | Device for expanding an exit pupil in two dimensions |
| US8233204B1 (en) * | 2009-09-30 | 2012-07-31 | Rockwell Collins, Inc. | Optical displays |
| FI125270B (en) | 2012-09-20 | 2015-08-14 | Teknologian Tutkimuskeskus Vtt Oy | Optical device with diffractive grating |
| GB2529003B (en) | 2014-08-03 | 2020-08-26 | Wave Optics Ltd | Optical device |
| EP3855221B1 (en) * | 2015-03-05 | 2023-03-01 | Magic Leap, Inc. | Improved manufacturing for virtual and augmented reality systems and components |
| US9594210B2 (en) | 2015-06-30 | 2017-03-14 | Corning Incorporated | Optical fiber with large effective area and low bending loss |
| JP6779984B2 (ja) * | 2015-09-05 | 2020-11-04 | レイア、インコーポレイテッドLeia Inc. | 集光型バックライトおよびそれを使用するニアアイディスプレイシステム |
| US10241332B2 (en) | 2015-10-08 | 2019-03-26 | Microsoft Technology Licensing, Llc | Reducing stray light transmission in near eye display using resonant grating filter |
| CN108885310B (zh) * | 2016-01-06 | 2020-10-23 | 伊奎蒂公司 | 具有二向色性反射器的双通道成像光导 |
| CN105785493B (zh) * | 2016-05-09 | 2019-01-22 | 深圳市华星光电技术有限公司 | 金属光栅偏光片及其制作方法 |
| CN106066501B (zh) * | 2016-07-12 | 2018-05-11 | 中南民族大学 | 无序子结构光栅及通过二次随机函数设计光栅的方法 |
| CN106338832A (zh) * | 2016-11-09 | 2017-01-18 | 苏州苏大维格光电科技股份有限公司 | 一种单片全息衍射光波导镜片及三维显示装置 |
| WO2018125574A1 (en) * | 2016-12-31 | 2018-07-05 | Vuzix Corporation | Imaging light guide with expanded light distribution |
| CN106773057A (zh) | 2017-01-13 | 2017-05-31 | 苏州苏大维格光电科技股份有限公司 | 一种单片全息衍射波导三维显示装置 |
-
2017
- 2017-06-02 FI FI20175509A patent/FI128413B/en active IP Right Grant
-
2018
- 2018-05-18 US US16/618,188 patent/US12242088B2/en active Active
- 2018-05-18 JP JP2019566820A patent/JP7247437B2/ja active Active
- 2018-05-18 CN CN201880038494.9A patent/CN111065953B/zh active Active
- 2018-05-18 WO PCT/FI2018/050371 patent/WO2018220266A1/en not_active Ceased
- 2018-05-18 EP EP18810219.8A patent/EP3631566A4/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5937115A (en) | 1997-02-12 | 1999-08-10 | Foster-Miller, Inc. | Switchable optical components/structures and methods for the fabrication thereof |
| US20090128911A1 (en) | 2005-09-14 | 2009-05-21 | Moti Itzkovitch | Diffraction Grating With a Spatially Varying Duty-Cycle |
| US20100284085A1 (en) | 2006-09-28 | 2010-11-11 | Nokia Corporation | Beam expansion with three-dimensional diffractive elements |
| US20090245730A1 (en) | 2008-01-24 | 2009-10-01 | Carl Zeiss Ag | Optical Display Device |
| US20140300966A1 (en) | 2011-08-29 | 2014-10-09 | Vuzix Corporation | Controllable waveguide for near-eye display applications |
| JP2015523586A (ja) | 2012-04-25 | 2015-08-13 | ロックウェル・コリンズ・インコーポレーテッド | ホログラフィック広角ディスプレイ |
| CN103245996A (zh) | 2013-05-16 | 2013-08-14 | 中国科学院长春光学精密机械与物理研究所 | 一种阵列式多光谱滤光片及其制作方法 |
| US20170102543A1 (en) | 2015-10-07 | 2017-04-13 | Tuomas Vallius | Diffractive optical element with integrated in-coupling, exit pupil expansion, and out-coupling |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2020524296A (ja) | 2020-08-13 |
| EP3631566A1 (en) | 2020-04-08 |
| FI128413B (en) | 2020-04-30 |
| WO2018220266A1 (en) | 2018-12-06 |
| FI20175509A1 (en) | 2018-12-03 |
| US20210165142A1 (en) | 2021-06-03 |
| CN111065953A (zh) | 2020-04-24 |
| CN111065953B (zh) | 2022-09-16 |
| US12242088B2 (en) | 2025-03-04 |
| EP3631566A4 (en) | 2021-03-03 |
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