VIRTUAL AND AUGMENTED REALITY SYSTEMS AND METHODS HAVING IMPROVED DIFFRACTIVE GRATING STRUCTURES

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20200026085A1
SERIAL NO

16573120

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Abstract

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Disclosed is an improved diffraction structure for 3D display systems. The improved diffraction structure includes an intermediate layer that resides between a waveguide substrate and a top grating surface. The top grating surface comprises a first material that corresponds to a first refractive index value, the underlayer comprises a second material that corresponds to a second refractive index value, and the substrate comprises a third material that corresponds to a third refractive index value.

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Patent Owner(s)

  • MAGIC LEAP, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
GRECO, Paul M Parkland, US 58 446
KLUG, Michael A Austin, US 37 509
SCHOWENGERDT, Brian T Seattle, US 225 4100
TEKOLSTE, Robert D Fort Lauderdale, US 32 622

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