US 12,271,231 B2
Foldable display device and method of manufacturing the same
Min Ji Kim, Seoul (KR); Yong Hyuck Lee, Cheonan-si (KR); and Hyun Jun Cho, Seoul (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Mar. 16, 2022, as Appl. No. 17/695,956.
Claims priority of application No. 10-2021-0089445 (KR), filed on Jul. 8, 2021.
Prior Publication US 2023/0017674 A1, Jan. 19, 2023
Int. Cl. G06F 1/16 (2006.01)
CPC G06F 1/1652 (2013.01) [G06F 1/1641 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A foldable display device comprising:
a display panel which comprises a folding area, a first non-folding area disposed adjacent to a first side of the folding area, and a second non-folding area disposed adjacent to a second side of the folding area opposite to the first side of the folding area; and
a panel support member which is disposed on a surface of the display panel and in which a plurality of slits extending in a first direction perpendicular to a second direction in which the folding area, the first non-folding area and the second non-folding area are arranged is defined, the panel support member comprising:
a first layer which has a plurality of first fiber yarns each of which extend only in the second direction;
a second layer which is directly disposed on the first layer and has a plurality of second fiber yarns extending only in the first direction in the folding area; and
a third layer which is directly disposed on the second layer and has a plurality of third fiber yarns each of which extend only in the second direction,
wherein
the plurality of first fiber yarns is directly stacked in a third direction perpendicular to the first direction and the second direction, the plurality of second fiber yarns is directly stacked in the third direction, or the plurality of third fiber yarns is directly stacked in the third direction.