	US 12,487,378 B2
	Lens coatings
Nikhil D Kalyankar, Fremont, CA (US); Avery P Yuen, Campbell, CA (US); and Ove Lyngnes, Carmel Valley, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Aug. 28, 2023, as Appl. No. 18/456,967.
Claims priority of provisional application 63/505,992, filed on Jun. 2, 2023.
Prior Publication US 2024/0402394 A1, Dec. 5, 2024
Int. Cl. G02B 1/115 (2015.01); G02B 1/118 (2015.01); G02B 27/00 (2006.01); G06F 1/16 (2006.01)

CPC G02B 1/115 (2013.01) [G02B 1/118 (2013.01); G02B 27/0093 (2013.01); G06F 1/163 (2013.01)]

13 Claims

1. A lens, comprising:

a substrate;

a hard coat on the substrate; and

an antireflection portion on the hard coat, wherein the lens has a reflectance of less than 2.5% across visible wavelengths and near infrared wavelengths at on-axis viewing angles; and

wherein the lens has a reflectance of less than 3.5% across visible and near infrared wavelengths at viewing angles between 0° and 45° from a surface normal of the antireflection portion.