US 11,809,619 B1
Display systems with optical sensing
Yoshihiko Yokoyama, Katta-gun (JP); John N. Border, Campbell, CA (US); Naoto Matsuyuki, Kasugai (JP); Serhan O. Isikman, Redwood City, CA (US); and Wei-Liang Hsu, San Jose, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Oct. 22, 2020, as Appl. No. 17/077,823.
Claims priority of provisional application 62/934,143, filed on Nov. 12, 2019.
Int. Cl. G06F 3/01 (2006.01); G02B 27/01 (2006.01)
CPC G06F 3/013 (2013.01) [G02B 27/0172 (2013.01); G02B 2027/0138 (2013.01)] 27 Claims
OG exemplary drawing
 
1. A head-mounted device, comprising:
a display;
a lens through which the display is visible from an eye box;
an infrared sensor system having an infrared light-emitting device that emits infrared light that serves as illumination in the eye box and an infrared light-sensing device that detects infrared light from the eye box; and
a head-mounted support structure, wherein the head-mounted support structure is configured to support the display, the lens, and the infrared sensor system, wherein the lens comprises a catadioptric lens having a wire grid polarizer formed from parallel lines and wherein the parallel lines each include first regions of a first material and second regions of a second material.