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US Patent 11892623 Exit pupil expander

OverviewStructured DataIssuesContributorsActivity
Is a
Patent
Patent
0
Date Filed
February 19, 2019
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Date of Patent
February 6, 2024
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Patent Application Number
17041302
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Patent Citations
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US Patent 11415805 Optical system and method for providing compressed eyebox
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US Patent 11086059 Image light guide with expanded light distribution overlapping gratings
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US Patent 11086065 Diffractive grating with variable diffraction efficiency and method for displaying an image
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US Patent 7764413 General diffractive optics method for expanding an exit pupil
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US Patent 8160411 Device for expanding an exit pupil in two dimensions
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US Patent 8320032 Diffractive beam expander and a virtual display based on a diffractive beam expander
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US Patent 8493662 Waveguides
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US Patent 8593734 Beam expansion with three-dimensional diffractive elements
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US Patent 8717676 Light outcoupling structure for a lighting device
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US Patent 9335604 Holographic waveguide display
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•••
Patent Inventor Names
Juuso Olkkonen
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Petri Myöhänen
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
11892623
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Patent Primary Examiner
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Ryan A Lepisto
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CPC Code
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G02B 6/0038
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G02B 6/124
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G02B 27/0081
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G02B 27/0101
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G02B 27/0103
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G02B 6/00
0
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G02B 27/42
0
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G02B 27/4272
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G02B 2027/0174
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G02B 5/1814
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•••

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