CN114793448A - 光学元件、影像波导方法、头戴式显示装置和绕射式波导显示器 - Google Patents
光学元件、影像波导方法、头戴式显示装置和绕射式波导显示器 Download PDFInfo
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- CN114793448A CN114793448A CN202080037046.4A CN202080037046A CN114793448A CN 114793448 A CN114793448 A CN 114793448A CN 202080037046 A CN202080037046 A CN 202080037046A CN 114793448 A CN114793448 A CN 114793448A
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- G02B27/0101—Head-up displays characterised by optical features
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- G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
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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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- G02B6/34—Optical coupling means utilising prism or grating
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
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- 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
- G02B2027/0125—Field-of-view increase by wavefront division
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- G02B2207/101—Nanooptics
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
一种光学元件(120)，包含波导基板(121)、第一光学膜结构(122)与第二光学膜结构(123)和亚波长奈米结构(124)。波导基板(121)具有相对的第一侧(121A)和第二侧(121B)以及入光面(1211)和出光面，其配置为使影像光束经过入光面(1211)进入至其内部，且在波导基板(121)的第一侧(121A)和第二侧(121B)之间全反射传导并经过一次或多次反射后由出光面出光。第一光学膜结构(122)与第二光学膜结构(123)分别设置在波导基板(121)的第一侧(121A)和第二侧(121B)。亚波长奈米结构(124)设置在波导基板(121)的第一侧(121A)。亚波长奈米结构(124)配置为接收及绕射影像光束，以将影像光束耦合至波导基板(121)。第一光学膜结构(122)与第二光学膜结构(123)配置为反射影像光束中在波导基板(121)内的入射角小于波导基板(121)的全反射临界角的一部分。
Description
PCT国内申请，说明书已公开。
Claims (15)
- PCT国内申请，权利要求书已公开。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2020/130821 WO2022104776A1 (zh) | 2020-11-23 | 2020-11-23 | 光学元件、影像波导方法、头戴式显示装置和绕射式波导显示器 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114793448A true CN114793448A (zh) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080037046.4A Pending CN114793448A (zh) | 2020-11-23 | 2020-11-23 | 光学元件、影像波导方法、头戴式显示装置和绕射式波导显示器 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20220214487A1 (zh) |
| CN (1) | CN114793448A (zh) |
| TW (1) | TWI757010B (zh) |
| WO (1) | WO2022104776A1 (zh) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023244271A1 (en) * | 2022-06-17 | 2023-12-21 | Magic Leap, Inc. | Optical layers to improve performance of eyepieces for use with virtual and augmented reality display systems |
| CN116643410B (zh) * | 2023-07-24 | 2023-09-26 | 北京灵犀微光科技有限公司 | 一种阵列光波导及近眼显示设备 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106773046A (zh) * | 2016-12-26 | 2017-05-31 | 北京理工大学 | 一种复振幅调制全息超薄波导增强现实显示系统及方法 |
| CN108431640A (zh) * | 2016-02-11 | 2018-08-21 | 微软技术许可有限责任公司 | 具有抗反射和高反射涂层的基于波导的显示器 |
| CN109154720A (zh) * | 2016-05-18 | 2019-01-04 | 鲁姆斯有限公司 | 头戴式成像设备 |
| US20190056593A1 (en) * | 2017-08-18 | 2019-02-21 | Tipd, Llc | Waveguide Image Combiner for Augmented Reality Displays |
| CN110352377A (zh) * | 2017-03-03 | 2019-10-18 | 微软技术许可有限责任公司 | 用于显示波导的超表面光学耦合元件 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5545076B2 (ja) * | 2009-07-22 | 2014-07-09 | ソニー株式会社 | 画像表示装置及び光学装置 |
| AU2018240181A1 (en) * | 2017-03-21 | 2019-09-26 | Magic Leap, Inc. | Stacked waveguides having different diffraction gratings for combined field of view |
| TWI724732B (zh) * | 2019-01-02 | 2021-04-11 | 宏達國際電子股份有限公司 | 波導裝置及光學引擎 |
-
2020
- 2020-11-23 WO PCT/CN2020/130821 patent/WO2022104776A1/zh active Application Filing
- 2020-11-23 CN CN202080037046.4A patent/CN114793448A/zh active Pending
- 2020-12-25 TW TW109146303A patent/TWI757010B/zh active
-
2022
- 2022-03-24 US US17/656,422 patent/US20220214487A1/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108431640A (zh) * | 2016-02-11 | 2018-08-21 | 微软技术许可有限责任公司 | 具有抗反射和高反射涂层的基于波导的显示器 |
| CN109154720A (zh) * | 2016-05-18 | 2019-01-04 | 鲁姆斯有限公司 | 头戴式成像设备 |
| CN106773046A (zh) * | 2016-12-26 | 2017-05-31 | 北京理工大学 | 一种复振幅调制全息超薄波导增强现实显示系统及方法 |
| CN110352377A (zh) * | 2017-03-03 | 2019-10-18 | 微软技术许可有限责任公司 | 用于显示波导的超表面光学耦合元件 |
| US20190056593A1 (en) * | 2017-08-18 | 2019-02-21 | Tipd, Llc | Waveguide Image Combiner for Augmented Reality Displays |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022104776A1 (zh) | 2022-05-27 |
| TW202221379A (zh) | 2022-06-01 |
| TWI757010B (zh) | 2022-03-01 |
| US20220214487A1 (en) | 2022-07-07 |
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