Projecting images to a waveguide through microprojectors for augmented or virtual reality

Patent metadata

Field	Value
Publication number	US-2016109708-A1
Application number	US-201514706813-A
Country	US
Kind code	A1
Filing date	May 7, 2015
Priority date	Nov 27, 2013
Publication date	Apr 21, 2016
Grant date	—

Abstract

Configurations are disclosed for presenting virtual reality and augmented reality experiences to users. The system may comprise an image-generating source to provide one or more frames of image data in a time-sequential manner, a light modulator configured to transmit light associated with the one or more frames of image data, a substrate to direct image information to a user's eye, wherein the substrate houses a plurality of reflectors, a first reflector of the plurality of reflectors to reflect transmitted light associated with a first frame of image data at a first angle to the user's eye, and a second reflector to reflect transmitted light associated with a second frame of the image data at a second angle to the user's eye.

First claim

What is claimed is:

1 . A system for displaying virtual content to a user, comprising:
a light generating source to provide light associated with one or more frames of image data, wherein the light generating source comprises a plurality of microprojectors; a waveguide configured to receive light from the plurality of microprojectors and transmit light to a user's eye.

2 . The system of claim 1 , wherein the microprojectors are placed in a linear array.

3 . The system of claim 1 , wherein the microprojectors are placed in one edge of the waveguide.

4 . The system of claim 1 , wherein the microprojectors are placed in multiple edges of the waveguide.

5 . The system of claim 1 , wherein the microprojectors are placed in a two dimensional array.

6 . The system of claim 1 , wherein the microprojectors are placed in a three-dimensional array.

7 . The system of claim 6 , wherein the microprojectors are placed at multiple edges of the substrate.

8 . The system of claim 6 , wherein the microprojectors are placed at multiple angles.

9 . The system of claim 1 , further comprising an accommodation tracking module to track an accommodation to the user's eyes.

10 . The system of claim 1 , implemented as a method.

Assignees

• Magic Leap Inc

Inventors

• Schowengerdt Brian T

Classifications

• G02B30/24

  involving temporal multiplexing, e.g. using sequentially activated left and right shutters · CPC title

• G06F3/011

  Arrangements for interaction with the human body, e.g. for user immersion in virtual reality (blind teaching G09B21/00) · CPC title

• H04N13/366

  using viewer tracking · CPC title

• H04N13/383

  for tracking with gaze detection, i.e. detecting the lines of sight of the viewer's eyes · CPC title

• G02B5/1828

  having means for producing variable diffraction (controlling the direction of light by means of one or more diffracting elements G02B26/0808; acousto-optical elements G02F1/11, G02F1/33; electro- or magneto-optical diffraction G02F1/292, G02F1/2955) · CPC title