US 12,265,425 B2
Foldable window, display device including the same, and a method of manufacturing the window
Sunghoon Kim, Asan-si (KR); Yuri Kim, Guri-si (KR); Kang-Woo Lee, Seoul (KR); and Seongjin Hwang, Suwon-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-Si (KR)
Filed on Aug. 28, 2023, as Appl. No. 18/238,651.
Application 18/238,651 is a continuation of application No. 17/672,919, filed on Feb. 16, 2022, granted, now 11,768,520.
Claims priority of application No. 10-2021-0065003 (KR), filed on May 20, 2021.
Prior Publication US 2023/0400883 A1, Dec. 14, 2023
Int. Cl. G06F 1/16 (2006.01); H04M 1/02 (2006.01)
CPC G06F 1/1652 (2013.01) [G06F 1/1641 (2013.01); H04M 1/0268 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A window comprising:
a substrate comprising a folding area, a non-folding area, an upper surface, and a lower surface, wherein the folding area is configured to fold about a folding axis extending in a first direction; and
a plurality of groove patterns arranged in the folding area along a second direction crossing the folding axis, wherein each of the plurality of groove patterns extends in a direction inclined with respect to the folding axis extending in the first direction.