JP7328235B2 - 導波路ディスプレイ要素 - Google Patents
導波路ディスプレイ要素 Download PDFInfo
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- JP7328235B2 JP7328235B2 JP2020543083A JP2020543083A JP7328235B2 JP 7328235 B2 JP7328235 B2 JP 7328235B2 JP 2020543083 A JP2020543083 A JP 2020543083A JP 2020543083 A JP2020543083 A JP 2020543083A JP 7328235 B2 JP7328235 B2 JP 7328235B2
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- waveguide
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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
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
-
- 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
- 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
- G02B5/1823—Plural gratings positioned on the same surface, e.g. array of gratings in an overlapping or superposed manner
-
- 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
- G02B27/44—Grating systems; Zone plate systems
-
- 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
- G02B5/1828—Diffraction gratings having means for producing variable diffraction
-
- 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
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
-
- 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
- G02B2027/0112—Head-up displays characterised by optical features comprising device for genereting colour display
-
- 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
- G02B2027/0112—Head-up displays characterised by optical features comprising device for genereting colour display
- G02B2027/0114—Head-up displays characterised by optical features comprising device for genereting colour display comprising dichroic 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
- G02B27/01—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
- G02B27/42—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
- 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
- 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
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29304—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
- G02B6/29316—Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide
- G02B6/29325—Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide of the slab or planar or plate like form, i.e. confinement in a single transverse dimension only
- G02B6/29329—Diffractive elements operating in transmission
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Optical Filters (AREA)
Description
Claims (14)
- 導波路ディスプレイ要素であって、前記導波路ディスプレイ要素は、
積層された複数の導波路層(12)と、
各導波路層に関連付けられ、所定の入射角を有する所定の色の光を前記導波路層内に結合するための入力結合器と
を備え、前記所定の色は各入力結合器に対して異なり、
前記入力結合器の各々は、
関連する前記導波路層上に配置され、厚さおよび屈折率を含む中間層特性を有する中間層(14)と、
前記中間層上に配置され、回折格子周期、回折格子材料、回折格子タイプを含む回折格子特性を有する入力結合格子(16)と
を備え、
異なる色の各々の光の所定の入射角は異なり、各入力結合器の前記中間層特性および前記回折格子特性は、
所定角で入射する関連する所定の色の光が、関連する前記導波路層(12)に結合され、
異なる入射角で入射する他の所定の色の入力結合を妨げる
ように決定され、
各入力結合器の中間層特性及び回折格子特性の組合せは、他の入力結合器と異なる、導波路ディスプレイ要素。 - 前記入力結合器は、他の入力結合器と同じ中間層特性及び異なる回折格子特性を有する、請求項1に記載の導波路ディスプレイ要素。
- 異なる導波路層(12)に関連付けられた入力結合器は、異なる入力結合格子周期を有する、請求項1又は2に記載の導波路ディスプレイ要素。
- 前記回折格子周期は、前記要素の入射光側の一番上の導波路層(12A)から、前記導波路ディスプレイ要素の反対側の一番下の導波路層(12C)に向かって増加する、請求項3に記載の導波路ディスプレイ要素。
- 前記入力結合器は、他の入力結合器と同じ回折格子特性及び異なる中間層特性を有する、請求項1に記載の導波路ディスプレイ要素。
- 前記導波路層(12)間の1つ又は複数の光帯域通過フィルタ又はダイクロイック・ミラーをさらに備える、請求項5に記載の導波路ディスプレイ要素。
- 各中間層は、前記各中間層(14)が関連付けられた前記導波路層よりも小さい厚さ及び屈折率を有する、請求項1から6までのいずれかに記載の要素。
- 各入力結合器の前記中間層(14)は、20μm以下の厚さを有する、請求項1から7までのいずれかに記載の導波路ディスプレイ要素。
- 各入力結合器の前記中間層(14)は、1~10μmの厚さを有する、請求項8に記載の導波路ディスプレイ要素。
- 前記導波路層(12)は、1.7以上の屈折率を有し、前記中間層(14)は、1.8未満の屈折率を有する、請求項1から9までのいずれかに記載の導波路ディスプレイ要素。
- 前記導波路層(12)は、2.0以上の屈折率を有し、前記中間層(14)は、1.7以下の屈折率を有する、請求項10に記載の導波路ディスプレイ要素。
- ヘッド・マウント・ディスプレイ(HMD)又はヘッド・アップ・ディスプレイ(HUD)からなるパーソナル・ディスプレイ・デバイスであって、
請求項1から11までのいずれかに記載の導波路ディスプレイ要素と、
異なる入射角の光線を前記ディスプレイ要素の入力結合器に投影するように構成された多色レーザー・プロジェクタと
を備えるパーソナル・ディスプレイ・デバイス。 - 伝搬する光線を導波路ディスプレイ内に結合する方法であって、前記方法は、
請求項1から11までのいずれかに記載の導波路ディスプレイ要素を提供するステップと、
異なる入射角の光線を前記ディスプレイ要素に向け、前記ディスプレイ要素の前記異なる導波路層(12)に前記光線を選択的に結合するステップと
を含む方法。 - 前記光線は、少なくとも3つの異なる波長帯域の光線を備え、前記波長帯域の各々は、異なる入射角で前記ディスプレイ要素に向けられる、請求項13に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20185292 | 2018-03-28 | ||
FI20185292A FI128573B (en) | 2018-03-28 | 2018-03-28 | Waveguide display element |
PCT/FI2019/050240 WO2019185989A1 (en) | 2018-03-28 | 2019-03-22 | Waveguide display element |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2021517264A JP2021517264A (ja) | 2021-07-15 |
JPWO2019185989A5 JPWO2019185989A5 (ja) | 2022-02-16 |
JP7328235B2 true JP7328235B2 (ja) | 2023-08-16 |
Family
ID=68062319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020543083A Active JP7328235B2 (ja) | 2018-03-28 | 2019-03-22 | 導波路ディスプレイ要素 |
Country Status (9)
Country | Link |
---|---|
US (1) | US11067733B2 (ja) |
EP (1) | EP3729178B1 (ja) |
JP (1) | JP7328235B2 (ja) |
KR (1) | KR20200136369A (ja) |
CN (1) | CN111902765B (ja) |
CA (1) | CA3095249A1 (ja) |
FI (1) | FI128573B (ja) |
SG (1) | SG11202008156UA (ja) |
WO (1) | WO2019185989A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI128573B (en) * | 2018-03-28 | 2020-08-14 | Dispelix Oy | Waveguide display element |
JP2021021879A (ja) * | 2019-07-30 | 2021-02-18 | セイコーエプソン株式会社 | 光学素子及び画像表示装置 |
EP4382994A1 (en) * | 2021-08-23 | 2024-06-12 | Sony Group Corporation | Image display device and display device |
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-
2018
- 2018-03-28 FI FI20185292A patent/FI128573B/en active IP Right Grant
-
2019
- 2019-03-22 KR KR1020207023660A patent/KR20200136369A/ko not_active Application Discontinuation
- 2019-03-22 WO PCT/FI2019/050240 patent/WO2019185989A1/en unknown
- 2019-03-22 EP EP19775555.6A patent/EP3729178B1/en active Active
- 2019-03-22 CA CA3095249A patent/CA3095249A1/en active Pending
- 2019-03-22 CN CN201980022167.9A patent/CN111902765B/zh active Active
- 2019-03-22 US US17/041,292 patent/US11067733B2/en active Active
- 2019-03-22 SG SG11202008156UA patent/SG11202008156UA/en unknown
- 2019-03-22 JP JP2020543083A patent/JP7328235B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008523434A (ja) | 2004-12-13 | 2008-07-03 | ノキア コーポレイション | ディスプレー装置におけるビーム拡大方法及びシステム |
JP2008535032A (ja) | 2005-04-04 | 2008-08-28 | ミラージュ イノヴェイションズ リミテッド | 多平面光学装置 |
US20170153460A1 (en) | 2015-12-01 | 2017-06-01 | Microsoft Technology Licensing, Llc | Extended field of view in near-eye display using wide-spectrum imager |
DE102015122055A1 (de) | 2015-12-17 | 2017-06-22 | Carl Zeiss Ag | Optisches System sowie Verfahren zum Übertragen eines Quellbildes |
Also Published As
Publication number | Publication date |
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JP2021517264A (ja) | 2021-07-15 |
EP3729178B1 (en) | 2023-07-26 |
EP3729178A4 (en) | 2021-09-15 |
CA3095249A1 (en) | 2019-10-03 |
SG11202008156UA (en) | 2020-09-29 |
CN111902765B (zh) | 2022-05-31 |
KR20200136369A (ko) | 2020-12-07 |
US11067733B2 (en) | 2021-07-20 |
US20210116622A1 (en) | 2021-04-22 |
WO2019185989A1 (en) | 2019-10-03 |
EP3729178C0 (en) | 2023-07-26 |
EP3729178A1 (en) | 2020-10-28 |
FI128573B (en) | 2020-08-14 |
FI20185292A1 (en) | 2019-09-29 |
CN111902765A (zh) | 2020-11-06 |
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