US 12,306,413 B2
Athermalization concepts for polymer eyepieces used in augmented reality or mixed reality devices
Stephen Richard Rugg, Huntersville, NC (US); Ali Karbasi, Coral Gables, FL (US); Jason Donald Mareno, Raleigh, NC (US); Bach Nguyen, Coral Springs, FL (US); Philip F. Brune, Parkland, FL (US); David Tinch, Bridgeport, AL (US); and Samarth Bhargava, Los Altos, CA (US)
Assigned to Magic Leap , Inc., Plantation, FL (US)
Appl. No. 18/549,835
Filed by Magic Leap, Inc., Plantation, FL (US)
PCT Filed Mar. 11, 2022, PCT No. PCT/US2022/071111
§ 371(c)(1), (2) Date Sep. 8, 2023,
PCT Pub. No. WO2022/192915, PCT Pub. Date Sep. 15, 2022.
Claims priority of provisional application 63/160,419, filed on Mar. 12, 2021.
Prior Publication US 2024/0168300 A1, May 23, 2024
Int. Cl. G02B 27/01 (2006.01); G02B 7/00 (2021.01); G02B 25/00 (2006.01)
CPC G02B 27/0176 (2013.01) [G02B 7/008 (2013.01); G02B 25/001 (2013.01); G02B 2027/0125 (2013.01); G02B 27/0172 (2013.01); G02B 2027/0178 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A display comprising:
a frame;
an eyepiece coupled to the frame, wherein the eyepiece comprises:
a light input region; and
a light output region; and
a first adhesive bond disposed between the frame and the eyepiece,
wherein the first adhesive bond is disposed along a first portion of a perimeter of the eyepiece, wherein the first portion of the perimeter of the eyepiece borders the light input region such that the first adhesive bond is configured to maintain a position of the light input region relative to the frame,
wherein the display further comprises a second adhesive bond disposed between the frame and the eyepiece, wherein the second adhesive bond is disposed along a second portion of the perimeter of the eyepiece, wherein the second portion of the perimeter of the eyepiece borders the light output region, and wherein the second adhesive bond is configured to permit in-plane expansion of the eyepiece relative to the frame.