IL295694B2 - Optical devices to reduce ghosting - Google Patents

Optical devices to reduce ghosting

Info

Publication number
IL295694B2
IL295694B2 IL295694A IL29569422A IL295694B2 IL 295694 B2 IL295694 B2 IL 295694B2 IL 295694 A IL295694 A IL 295694A IL 29569422 A IL29569422 A IL 29569422A IL 295694 B2 IL295694 B2 IL 295694B2
Authority
IL
Israel
Prior art keywords
optical
light
transmitting substrate
interface region
optical device
Prior art date
Application number
IL295694A
Other languages
English (en)
Hebrew (he)
Other versions
IL295694A (en
Inventor
Eitan Ronen
Edgar Friedmann
Original Assignee
Lumus Ltd
Eitan Ronen
Edgar Friedmann
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
Application filed by Lumus Ltd, Eitan Ronen, Edgar Friedmann filed Critical Lumus Ltd
Publication of IL295694A publication Critical patent/IL295694A/en
Publication of IL295694B2 publication Critical patent/IL295694B2/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
    • G02B27/0018—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for preventing ghost images
    • 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
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—Reflecting element, sheet or layer
    • 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
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Optical Filters (AREA)
  • Eyeglasses (AREA)
IL295694A 2020-03-23 2021-03-17 Optical devices to reduce ghosting IL295694B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202062993100P 2020-03-23 2020-03-23
PCT/IL2021/050294 WO2021191889A1 (en) 2020-03-23 2021-03-17 Optical devices for mitigating ghost images

Publications (2)

Publication Number Publication Date
IL295694A IL295694A (en) 2022-10-01
IL295694B2 true IL295694B2 (en) 2023-06-01

Family

ID=77889997

Family Applications (1)

Application Number Title Priority Date Filing Date
IL295694A IL295694B2 (en) 2020-03-23 2021-03-17 Optical devices to reduce ghosting

Country Status (8)

Country Link
US (1) US11815709B2 (enExample)
EP (1) EP4127815A4 (enExample)
JP (1) JP7514562B2 (enExample)
KR (2) KR102777529B1 (enExample)
CN (1) CN115136055B (enExample)
IL (1) IL295694B2 (enExample)
TW (2) TW202516216A (enExample)
WO (1) WO2021191889A1 (enExample)

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KR102939032B1 (ko) * 2019-12-05 2026-03-16 루머스 리미티드 상보 코팅된 부분적 반사체를 채용하는 도광 광학 소자, 및 광산란을 감소시킨 도광 광학 소자
JP7514562B2 (ja) * 2020-03-23 2024-07-11 ルムス エルティーディー． ゴースト画像を軽減するための光学デバイス
CN117784310A (zh) 2020-05-24 2024-03-29 鲁姆斯有限公司 制造复合光导光学元件的方法、光学结构
AU2022226493B2 (en) 2021-02-25 2023-07-27 Lumus Ltd. Optical aperture multipliers having a rectangular waveguide
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KR20250135171A (ko) 2023-01-17 2025-09-12 루머스 리미티드 컬러 카메라를 이용한 광학 시스템 성능 특성화
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JP7514562B2 (ja) 2020-03-23 2024-07-11 ルムス エルティーディー． ゴースト画像を軽減するための光学デバイス

Also Published As

Publication number Publication date
JP2023524357A (ja) 2023-06-12
KR20220152387A (ko) 2022-11-15
WO2021191889A1 (en) 2021-09-30
US11815709B2 (en) 2023-11-14
CN115136055B (zh) 2023-10-27
US20220357497A1 (en) 2022-11-10
KR102777529B1 (ko) 2025-03-06
JP7514562B2 (ja) 2024-07-11
CN115136055A (zh) 2022-09-30
IL295694A (en) 2022-10-01
KR20250036956A (ko) 2025-03-14
EP4127815A1 (en) 2023-02-08
TW202516216A (zh) 2025-04-16
TW202142903A (zh) 2021-11-16
TWI873315B (zh) 2025-02-21
EP4127815A4 (en) 2023-09-20

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