US 12,405,463 B2
Waveguide-based illumination for head mounted display system
Lionel Ernest Edwin, Hollywood, FL (US); Ivan Li Chuen Yeoh, Wesley Chapel, FL (US); Zhiheng Jia, Weston, FL (US); and Adam C. Carlson, Miami, FL (US)
Assigned to MAGIC LEAP, INC., Plantation, FL (US)
Filed by Magic Leap, Inc., Plantation, FL (US)
Filed on Apr. 26, 2024, as Appl. No. 18/647,479.
Application 18/647,479 is a continuation of application No. 17/459,958, filed on Aug. 27, 2021, granted, now 12,001,016.
Application 17/459,958 is a continuation of application No. 16/503,323, filed on Jul. 3, 2019, granted, now 11,106,033, issued on Aug. 31, 2021.
Claims priority of provisional application 62/694,366, filed on Jul. 5, 2018.
Prior Publication US 2024/0295732 A1, Sep. 5, 2024
Int. Cl. G09G 5/00 (2006.01); F21V 8/00 (2006.01); G02B 27/00 (2006.01); G02B 27/01 (2006.01); G06F 3/01 (2006.01); G06T 19/00 (2011.01)
CPC G02B 27/0093 (2013.01) [G02B 6/0025 (2013.01); G02B 6/0028 (2013.01); G02B 6/0031 (2013.01); G02B 27/0176 (2013.01); G06F 3/013 (2013.01); G06T 19/006 (2013.01); G02B 2027/0138 (2013.01); G02B 2027/0174 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A head-mounted display system configured to project light to an eye of a user wearing the head-mounted display system to display content in a vision field of said user, said head-mounted display system comprising:
a frame configured to be supported on a head of the user;
an image projector configured to project an image;
at least one illumination source;
a light-guiding component, said light-guiding component having a circular disc shape and being configured so as to be positioned forward one of the user's eyes when the frame is worn by the user;
at least one illumination in-coupling optical element configured to in-couple light from the at least one illumination source into the light-guiding component so as to guide light from the at least one illumination source therein; and
at least one out-coupling optical element having an annular shape and being disposed around a periphery of the light-guiding component to encircle a central portion of the light-guiding component, and being positioned forward one of the user's eyes when the frame is worn by the user, wherein the at least one out-coupling optical element is configured to couple light from the at least one illumination source out of the periphery of the light-guiding component.