Invention Grant
- Patent Title: Inline in-coupling optical elements
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Application No.: US17427355Application Date: 2020-01-29
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Publication No.: US12105289B2Publication Date: 2024-10-01
- Inventor: Mohammadreza Khorasaninejad , Victor Kai Liu , Dianmin Lin , Christophe Peroz , Pierre St. Hilaire
- Applicant: Magic Leap, Inc.
- Applicant Address: US FL Plantation
- Assignee: Magic Leap, Inc.
- Current Assignee: Magic Leap, Inc.
- Current Assignee Address: US FL Plantation
- Agency: Fish & Richardson P.C.
- International Application: PCT/US2020/015735 2020.01.29
- International Announcement: WO2020/160188A 2020.08.06
- Date entered country: 2021-07-30
- Main IPC: G02B27/01
- IPC: G02B27/01 ; G02B6/10 ; G02B6/26

Abstract:
A display system includes a waveguide assembly having a plurality of waveguides, each waveguide associated with an in-coupling optical element configured to in-couple light into the associated waveguide. A projector outputs light from one or more spatially-separated pupils, and at least one of the pupils outputs light of two different ranges of wavelengths. The in-coupling optical elements for two or more waveguides are inline, e.g. vertically aligned, with each other so that the in-coupling optical elements are in the path of light of the two different ranges of wavelengths. The in-coupling optical element of a first waveguide selectively in-couples light of one range of wavelengths into the waveguide, while the in-coupling optical element of a second waveguide selectively in-couples light of another range of wavelengths. Absorptive color filters are provided forward of an in-coupling optical element to limit the propagation of undesired wavelengths of light to that in-coupling optical element.
Public/Granted literature
- US20220099976A1 INLINE IN-COUPLING OPTICAL ELEMENTS Public/Granted day:2022-03-31
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