EP4792173A1 - Geschichteter geometrischer kaleidowellenleiter - Google Patents

Geschichteter geometrischer kaleidowellenleiter

Info

Publication number
EP4792173A1
EP4792173A1 EP24791193.6A EP24791193A EP4792173A1 EP 4792173 A1 EP4792173 A1 EP 4792173A1 EP 24791193 A EP24791193 A EP 24791193A EP 4792173 A1 EP4792173 A1 EP 4792173A1
Authority
EP
European Patent Office
Prior art keywords
mixing element
optical mixing
waveguide
waveguide body
optical
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP24791193.6A
Other languages
English (en)
French (fr)
Inventor
Jianbo ZHAO
Yu Shi
Miaomiao XU
Babak AMIRSOLAIMANI
Pei XIONG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meta Platforms Technologies LLC
Original Assignee
Meta Platforms Technologies LLC
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 claimed from US18/768,711 external-priority patent/US20250116866A1/en
Application filed by Meta Platforms Technologies LLC filed Critical Meta Platforms Technologies LLC
Publication of EP4792173A1 publication Critical patent/EP4792173A1/de
Pending legal-status Critical Current

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
    • G02B27/0081—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
    • G02B27/01—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
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
    • G02B2027/012—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility comprising devices for attenuating parasitic image effects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
EP24791193.6A 2023-10-09 2024-09-29 Geschichteter geometrischer kaleidowellenleiter Pending EP4792173A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202363588856P 2023-10-09 2023-10-09
US18/768,711 US20250116866A1 (en) 2023-10-09 2024-07-10 Layered kaleido geometric waveguide
PCT/US2024/049160 WO2025080449A1 (en) 2023-10-09 2024-09-29 Layered kaleido geometric waveguide

Publications (1)

Publication Number Publication Date
EP4792173A1 true EP4792173A1 (de) 2026-08-19

Family

ID=93150491

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24791193.6A Pending EP4792173A1 (de) 2023-10-09 2024-09-29 Geschichteter geometrischer kaleidowellenleiter

Country Status (3)

Country Link
EP (1) EP4792173A1 (de)
CN (1) CN122439119A (de)
WO (1) WO2025080449A1 (de)

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CN104536138B (zh) * 2015-01-25 2017-04-05 上海理湃光晶技术有限公司 带有锯齿夹层结构的平面波导双目光学显示器件
GB2550958B (en) * 2016-06-03 2022-02-23 Bae Systems Plc Waveguide structure
US11187902B2 (en) * 2017-10-16 2021-11-30 Akonia Holographics Llc Two-dimensional light homogenization
CN107966820B (zh) * 2017-12-27 2021-03-02 北京灵犀微光科技有限公司 波导显示装置
US12038582B2 (en) * 2018-03-07 2024-07-16 Snap Inc. Waveguide structure for head up displays
GB201803642D0 (en) * 2018-03-07 2018-04-18 Bae Systems Plc Waveguide structure for head up displays
US11803056B2 (en) * 2018-09-14 2023-10-31 Apple Inc. Waveguided display systems
CN114080558B (zh) * 2019-07-04 2024-06-11 鲁姆斯有限公司 具有对称光束倍增的图像波导
TWI858170B (zh) * 2019-10-23 2024-10-11 以色列商魯姆斯有限公司 採用散光光學器件和像差補償的顯示器
CN114114519B (zh) * 2020-08-28 2025-12-30 中强光电股份有限公司 波导的制作方法以及具有波导的头戴式显示装置
EP3974715A1 (de) * 2020-09-28 2022-03-30 BAE SYSTEMS plc Wellenleiteranordnung
KR20230148324A (ko) * 2021-03-01 2023-10-24 루머스 리미티드 프로젝터로부터 도파관으로의 콤팩트한 커플링을 갖는광학 시스템
US11841526B2 (en) * 2021-07-04 2023-12-12 Lumus Ltd. Color shifted optical system for near-eye displays
US11874463B2 (en) * 2021-08-04 2024-01-16 Himax Technologies Limited Waveguide combiner with at least one embedded film layer
CN118103755A (zh) * 2021-10-18 2024-05-28 鲁姆斯有限公司 用于近眼显示器的光学系统
WO2023067594A1 (en) * 2021-10-18 2023-04-27 Lumus Ltd. Optical system for near-eye displays
US12468148B2 (en) * 2021-11-04 2025-11-11 Meta Platforms Technologies, Llc Waveguide with a beam splitter upstream of output region
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
US12242060B2 (en) * 2022-02-08 2025-03-04 Optinvent Multi-pupil expansion light guide assembly with rod
US20230408826A1 (en) * 2022-07-29 2023-12-21 Meta Platforms Technologies, Llc Near-eye display architectures
TW202424554A (zh) * 2022-09-04 2024-06-16 以色列商魯姆斯有限公司 利用光再循環的基於光導的顯示器
CN118707727B (zh) * 2024-07-12 2025-07-08 北京灵犀微光科技有限公司 一种阵列波导系统及增强现实显示设备

Also Published As

Publication number Publication date
WO2025080449A1 (en) 2025-04-17
CN122439119A (zh) 2026-07-21

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