US 11,860,371 B1
Eyewear with eye-tracking reflective element
Kenneth Kubala, Boulder, CO (US); Russell Douglas Patton, Playa Vista, CA (US); and Jonathan Rodriguez, La Habra, CA (US)
Assigned to Snap Inc., Santa Monica, CA (US)
Filed by Kenneth Kubala, Boulder, CO (US); Russell Douglas Patton, Playa Vista, CA (US); and Jonathan Rodriguez, La Habra, CA (US)
Filed on May 21, 2020, as Appl. No. 16/879,873.
Claims priority of provisional application 62/854,948, filed on May 30, 2019.
Int. Cl. G02B 27/01 (2006.01)
CPC G02B 27/0179 (2013.01) [G02B 27/0172 (2013.01); G02B 2027/0138 (2013.01); G02B 2027/0174 (2013.01); G02B 2027/0178 (2013.01); G02B 2027/0187 (2013.01)] 20 Claims
OG exemplary drawing
 
1. Eyewear, comprising:
a frame;
a see-through display supported by the frame, the see-through display including a display, a transparent cover, and a reflective optical element spaced from the display and laminated to the transparent cover; and
a light emitter configured to emit a single collimated non-visible light beam in one direction directly toward the reflective optical element of the see-through display spaced from the display;
wherein the reflective optical element is configured to reflect and spread the single collimated non-visible light beam received from the one direction over a pupil and iris of a user's eye.