Invention Grant
- Patent Title: Exit pupil expander
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Application No.: US17041302Application Date: 2019-02-19
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Publication No.: US11892623B2Publication Date: 2024-02-06
- Inventor: Juuso Olkkonen , Petri Myöhänen
- Applicant: DISPELIX OY
- Applicant Address: FI Espoo
- Assignee: DISPELIX OY
- Current Assignee: DISPELIX OY
- Current Assignee Address: FI Espoo
- Agency: Maschoff Brennan
- Priority: FI 185291 2018.03.28
- International Application: PCT/FI2019/050130 2019.02.19
- International Announcement: WO2019/185973A 2019.10.03
- Date entered country: 2020-09-24
- Main IPC: G02B5/18
- IPC: G02B5/18 ; F21V8/00 ; G02B6/124 ; G02B27/00 ; G02B27/01 ; G02B27/42 ; G02B6/00
Abstract:
There is provided an exit pupil expander (EPE) for use in a diffractive display, the EPE comprising a plurality of diffractive zones on a waveguide and a plurality of non-diffractive zones between at least some of the diffractive zones.
Public/Granted literature
- US20210072534A1 EXIT PUPIL EXPANDER Public/Granted day:2021-03-11
Information query
