US 11,672,084 B2
Foldable display device
Seung Hwa Ha, Hwaseong-si (KR); Sang Jae Kim, Yongin-si (KR); and Seung-Ho Jung, Hwaseong-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Feb. 4, 2021, as Appl. No. 17/168,095.
Claims priority of application No. 10-2020-0017015 (KR), filed on Feb. 12, 2020.
Prior Publication US 2021/0251090 A1, Aug. 12, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. G02F 1/1333 (2006.01); H05K 5/00 (2006.01); H05K 5/03 (2006.01); G06F 1/16 (2006.01); B32B 3/26 (2006.01); B32B 5/14 (2006.01); B32B 15/04 (2006.01); B32B 3/30 (2006.01); G09F 9/30 (2006.01)
CPC H05K 5/0017 (2013.01) [B32B 3/266 (2013.01); B32B 3/30 (2013.01); B32B 5/142 (2013.01); B32B 15/04 (2013.01); G02F 1/133305 (2013.01); G06F 1/1652 (2013.01); H05K 5/03 (2013.01); B32B 2307/51 (2013.01); B32B 2457/20 (2013.01); C09K 2323/06 (2020.08); G02F 2201/503 (2013.01); G09F 9/301 (2013.01); H01L 2251/5338 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A foldable display device, comprising:
a display panel;
a window disposed on a first surface of the display panel;
a metal plate disposed on a second surface of the display panel opposite to the first surface; and
a functional member disposed between the display panel and the metal plate, the functional member including a first functional layer in which a plurality of holes are formed and a filler filling each of the holes,
wherein an elastic modulus of the filler is greater than an elastic modulus of the first functional layer.