US 12,468,084 B2
Systems and methods of making polymeric optical layers for optical layering
Marvin Dion Alim, Boulder, CO (US); Richard Farrell, Seattle, WA (US); Matthew E. Colburn, Woodinville, WA (US); Ankit Vora, Bothell, WA (US); and Austin Lane, Sammamish, WA (US)
Assigned to Facebook Technologies, LLC, Menlo Park, CA (US)
Filed by Facebook Technologies, LLC, Menlo Park, CA (US)
Filed on Mar. 22, 2022, as Appl. No. 17/701,307.
Claims priority of provisional application 63/271,533, filed on Oct. 25, 2021.
Prior Publication US 2023/0125794 A1, Apr. 27, 2023
Int. Cl. F21V 8/00 (2006.01); C08G 18/76 (2006.01); C08G 75/14 (2006.01); C08G 77/442 (2006.01); C08K 5/00 (2006.01); C08K 5/57 (2006.01); G02B 1/04 (2006.01); G02B 27/01 (2006.01)
CPC G02B 6/0065 (2013.01) [C08G 18/7642 (2013.01); C08G 75/14 (2013.01); C08G 77/442 (2013.01); C08K 5/0025 (2013.01); C08K 5/57 (2013.01); G02B 1/04 (2013.01); G02B 6/0018 (2013.01); G02B 27/0172 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A waveguide device for a head mounted display, the waveguide device comprising:
a waveguide die, wherein the waveguide die comprises a first refractive index range; and
a polymeric optical layer, wherein the polymeric optical layer comprises:
a second refractive index range that is different from the first refractive index range; and
a thiol-containing polymer.