US 12,114,103 B2
Projector with field lens
Robert Matthew Bates, Erie, CO (US); and David G. Fliszar, Manhattan Beach, CA (US)
Assigned to Snap Inc., Santa Monica, CA (US)
Filed by Snap Inc., Santa Monica, CA (US)
Filed on Aug. 30, 2023, as Appl. No. 18/240,034.
Application 18/240,034 is a continuation of application No. 17/187,823, filed on Feb. 28, 2021, granted, now 11,792,371, issued on Oct. 17, 2023.
Prior Publication US 2023/0412778 A1, Dec. 21, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 9/31 (2006.01); G02B 27/01 (2006.01); G02C 11/00 (2006.01)
CPC H04N 9/31 (2013.01) [G02B 27/0172 (2013.01); G02C 11/10 (2013.01); G02B 2027/0138 (2013.01); G02B 2027/0178 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A projector, comprising:
a light source configured to generate a light beam comprising a center axis;
a modulator configured to modulate the light beam to generate an image, the modulator having a modulator center;
a prism having a prism face and configured to route the light beam from the light source to the modulator; and
a curved field lens configured to route the light beam from the prism face to the modulator, wherein the curved field lens is configured to decenter the light beam from the prism face and the modulator center is positioned a distance from a center axis of the curved field lens.