	US 12,083,772 B2
	Cover window assembly, related articles and methods
Leopoldo Alejandro Carbajal, Newark, DE (US); Mark Allan Lamontia, Landenberg, PA (US); Mobin Yahyazadehfar, Garnet Valley, PA (US); and Aref Samadidooki, Wilmington, DE (US)
Assigned to DUPONT ELECTRONICS, INC., Wilmington, DE (US)
Appl. No. 17/776,480
Filed by DUPONT ELECTRONICS, INC., Wilmington, DE (US)
PCT Filed Nov. 18, 2020, PCT No. PCT/US2020/060964 § 371(c)(1), (2) Date May 12, 2022, PCT Pub. No. WO2021/108174, PCT Pub. Date Jun. 3, 2021.
Claims priority of provisional application 62/942,094, filed on Nov. 30, 2019.
Prior Publication US 2022/0388288 A1, Dec. 8, 2022
Int. Cl. B32B 27/08 (2006.01); B32B 7/022 (2019.01); B32B 7/12 (2006.01); G02B 1/14 (2015.01); G09F 9/30 (2006.01)

CPC B32B 27/08 (2013.01) [B32B 7/022 (2019.01); B32B 7/12 (2013.01); G02B 1/14 (2015.01); B32B 2250/05 (2013.01); B32B 2250/24 (2013.01); B32B 2250/44 (2013.01); B32B 2255/102 (2013.01); B32B 2255/26 (2013.01); B32B 2274/00 (2013.01); B32B 2307/412 (2013.01); B32B 2307/51 (2013.01); B32B 2307/536 (2013.01); B32B 2307/54 (2013.01); B32B 2307/558 (2013.01); B32B 2307/734 (2013.01); B32B 2457/20 (2013.01); G09F 9/301 (2013.01)]

14 Claims

1. A cover window assembly comprising a first energy-dispersing layer having an elastic modulus greater than 0.5 GPa and a yield stress less than 110 MPa; a first hard coat layer or a first oxide layer disposed directly on a top or a bottom surface of the first energy-dispersing layer; an adhesive layer directly disposed on the first energy-dispersing layer; a second hard coat layer or a second oxide layer disposed directly on the adhesive layer; and a structural layer having a yield stress higher than the yield stress of the first energy-dispersing layer and an elastic modulus of least 3 GPa, and disposed directly on the second hard coat layer or the second oxide layer.