US 12,468,349 B2
Cover window and display device including the same
Hyunseung Seo, Suwon-si (KR); Jin Su Nam, Hwaseong-si (KR); Jun Ho Lee, Suwon-si (KR); and Seungho Kim, Asan-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Jun. 5, 2023, as Appl. No. 18/205,768.
Claims priority of application No. 10-2022-0077281 (KR), filed on Jun. 24, 2022.
Prior Publication US 2023/0418336 A1, Dec. 28, 2023
Int. Cl. B32B 3/02 (2006.01); G06F 1/16 (2006.01)
CPC G06F 1/1656 (2013.01) [B32B 3/02 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A cover window comprising:
a base layer including a light-emitting area and an outer area surrounding at least a portion of the light-emitting area; and
a functional layer disposed on at least one surface of the base layer and having a refractive index increasing from the light-emitting area to the outer area,
wherein the light-emitting area includes a first area and a second area surrounding at least a portion of the first area,
the functional layer overlapping the first area includes a first ion,
the functional layer overlapping the second area includes a second ion,
the functional layer overlapping the outer area includes a third ion,
a third ionic radius of the third ion is greater than a first ionic radius of the first ion and a second ionic radius of the second ion.