FI128573B - Waveguide display element - Google Patents

Waveguide display element Download PDF

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Publication number
FI128573B
FI128573B FI20185292A FI20185292A FI128573B FI 128573 B FI128573 B FI 128573B FI 20185292 A FI20185292 A FI 20185292A FI 20185292 A FI20185292 A FI 20185292A FI 128573 B FI128573 B FI 128573B
Authority
FI
Finland
Prior art keywords
waveguide
different
grating
couplers
layers
Prior art date
Application number
FI20185292A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI20185292A1 (en
Inventor
Juuso Olkkonen
Kasimir Blomstedt
Original Assignee
Dispelix Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to FI20185292A priority Critical patent/FI128573B/en
Application filed by Dispelix Oy filed Critical Dispelix Oy
Priority to PCT/FI2019/050240 priority patent/WO2019185989A1/en
Priority to EP19775555.6A priority patent/EP3729178B1/en
Priority to JP2020543083A priority patent/JP7328235B2/ja
Priority to CN201980022167.9A priority patent/CN111902765B/zh
Priority to SG11202008156UA priority patent/SG11202008156UA/en
Priority to US17/041,292 priority patent/US11067733B2/en
Priority to KR1020207023660A priority patent/KR102740394B1/ko
Priority to CA3095249A priority patent/CA3095249C/en
Publication of FI20185292A1 publication Critical patent/FI20185292A1/en
Application granted granted Critical
Publication of FI128573B publication Critical patent/FI128573B/en

Links

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
    • G02B27/42—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
    • G02B5/1814—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
    • 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
    • G02B6/0013—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
    • G02B6/0075—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

Landscapes

  • 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)
FI20185292A 2018-03-28 2018-03-28 Waveguide display element FI128573B (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FI20185292A FI128573B (en) 2018-03-28 2018-03-28 Waveguide display element
EP19775555.6A EP3729178B1 (en) 2018-03-28 2019-03-22 Waveguide display element
JP2020543083A JP7328235B2 (ja) 2018-03-28 2019-03-22 導波路ディスプレイ要素
CN201980022167.9A CN111902765B (zh) 2018-03-28 2019-03-22 波导显示元件
PCT/FI2019/050240 WO2019185989A1 (en) 2018-03-28 2019-03-22 Waveguide display element
SG11202008156UA SG11202008156UA (en) 2018-03-28 2019-03-22 Waveguide display element
US17/041,292 US11067733B2 (en) 2018-03-28 2019-03-22 Waveguide display element with an intermediate layer between an in-coupling grating and a waveguide
KR1020207023660A KR102740394B1 (ko) 2018-03-28 2019-03-22 도파관 디스플레이 소자, 개인용 디스플레이 장치, 및 도파관 디스플레이 내로 전파되는 광선을 커플링하는 방법
CA3095249A CA3095249C (en) 2018-03-28 2019-03-22 Waveguide display element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20185292A FI128573B (en) 2018-03-28 2018-03-28 Waveguide display element

Publications (2)

Publication Number Publication Date
FI20185292A1 FI20185292A1 (en) 2019-09-29
FI128573B true FI128573B (en) 2020-08-14

Family

ID=68062319

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20185292A FI128573B (en) 2018-03-28 2018-03-28 Waveguide display element

Country Status (8)

Country Link
US (1) US11067733B2 (enExample)
EP (1) EP3729178B1 (enExample)
JP (1) JP7328235B2 (enExample)
KR (1) KR102740394B1 (enExample)
CN (1) CN111902765B (enExample)
FI (1) FI128573B (enExample)
SG (1) SG11202008156UA (enExample)
WO (1) WO2019185989A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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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
EP4382994A4 (en) * 2021-08-23 2024-11-27 Sony Group Corporation IMAGE DISPLAY DEVICE AND DISPLAY DEVICE
FI130933B1 (fi) * 2021-10-08 2024-06-04 Dispelix Oy Aaltojohdinjärjestely
CN115480413A (zh) 2022-10-12 2022-12-16 深圳市光途显示科技有限公司 显示设备、虚拟图像显示方法和显示设备的制造方法
WO2025042543A1 (en) * 2023-08-18 2025-02-27 Corning Incorporated Composite lightguides for augmented reality
NL2035758B1 (en) * 2023-08-18 2025-03-04 Corning Inc Composite lightguides for augmented reality

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Also Published As

Publication number Publication date
US20210116622A1 (en) 2021-04-22
KR20200136369A (ko) 2020-12-07
US11067733B2 (en) 2021-07-20
JP2021517264A (ja) 2021-07-15
EP3729178B1 (en) 2023-07-26
EP3729178C0 (en) 2023-07-26
KR102740394B1 (ko) 2024-12-10
SG11202008156UA (en) 2020-09-29
CN111902765A (zh) 2020-11-06
EP3729178A1 (en) 2020-10-28
JP7328235B2 (ja) 2023-08-16
FI20185292A1 (en) 2019-09-29
CN111902765B (zh) 2022-05-31
WO2019185989A1 (en) 2019-10-03
EP3729178A4 (en) 2021-09-15
CA3095249A1 (en) 2019-10-03

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