US 12,432,865 B2
Foldable electronic device including support layer including reinforcement fiber
Hirotsugu Kishimoto, Hwaseong-si (KR); Dasom Gu, Asan-si (KR); Sungguk An, Suwon-si (KR); Yonghyuck Lee, Cheonan-si (KR); Chul Ho Jeong, Seoul (KR); Hyunjun Cho, Seoul (KR); Sohra Han, Cheonan-si (KR); and Seungkyun Hong, Cheonan-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Oct. 5, 2022, as Appl. No. 17/960,417.
Claims priority of application No. 10-2021-0132910 (KR), filed on Oct. 7, 2021.
Prior Publication US 2023/0114397 A1, Apr. 13, 2023
Int. Cl. H05K 5/02 (2006.01); B32B 3/26 (2006.01); B32B 5/12 (2006.01); B32B 15/14 (2006.01); H05K 9/00 (2006.01)
CPC H05K 5/0217 (2013.01) [B32B 3/266 (2013.01); B32B 5/12 (2013.01); B32B 15/14 (2013.01); H05K 9/0054 (2013.01); B32B 2262/0269 (2013.01); B32B 2457/208 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An electronic device comprising:
a display panel including a folding region, which is foldable with respect to a folding axis extending in one direction, and a first non-folding region and a second non-folding region spaced apart from each other with the folding region therebetween; and
a lower member disposed below the display panel,
wherein the lower member includes
a support layer disposed below the display panel, wherein the support layer includes a first support portion overlapping the first non-folding region, and a second support portion overlapping the second non-folding region, and
a digitizer disposed below the display panel to correspond to the first support portion and the second support portion,
wherein the first support portion and the second support portion each independently comprises a reinforcement fiber, wherein the reinforcement fiber includes an aramid fiber or includes a carbon fiber and a glass fiber, and
wherein the support layer comprises a plurality of sub-support layers in which an arrangement direction of the reinforcement fiber are different from each other,
the plurality of sub-support layers are stacked along a thickness direction.