US 11,892,879 B2
Rollable display device and rollable device
Tae An Seo, Hwaseong-si (KR); Min-Sung Kim, Hwaseong-si (KR); Jung Hun Lee, Hwaseong-si (KR); and Jin Hwan Choi, Seoul (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Jul. 19, 2021, as Appl. No. 17/378,965.
Application 16/398,982 is a division of application No. 15/636,763, filed on Jun. 29, 2017, granted, now 10,303,217, issued on May 28, 2019.
Application 17/378,965 is a continuation of application No. 16/879,849, filed on May 21, 2020, granted, now 11,088,700.
Application 16/879,849 is a continuation of application No. 16/398,982, filed on Apr. 30, 2019, granted, now 10,698,447, issued on Jun. 30, 2020.
Claims priority of application No. 10-2016-0085680 (KR), filed on Jul. 6, 2016.
Prior Publication US 2021/0344350 A1, Nov. 4, 2021
Int. Cl. G06F 1/16 (2006.01); G09F 9/30 (2006.01); H05K 5/00 (2006.01); H05K 5/02 (2006.01); H04N 5/64 (2006.01); H03M 1/06 (2006.01)
CPC G06F 1/1652 (2013.01) [G09F 9/301 (2013.01); H03M 1/0678 (2013.01); H04N 5/64 (2013.01); H05K 5/0017 (2013.01); H05K 5/0217 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A rollable device comprising: a rollable display device; and a roller fixed to a first edge of the rollable display device, wherein the rollable display device includes: a rollable display having a first display edge and a second display edge opposite to the first display edge; a first protection film disposed on a first surface of the rollable display, wherein the first protection film extends beyond the first display edge and the second display edge of the rollable display; a second protection film attached to a second surface of the rollable display facing the first surface of the rollable display, wherein the second protection film extends beyond the first display edge and the second display edge of the rollable display; wherein the second display edge is unrolled away from the roller and the first display edge is fixed to the roller through the second protection film; a first adhesive layer disposed between the rollable display and the first protection film; a second adhesive layer disposed between the rollable display and the second protection film; a first adhesion part disposed adjacent to the first display edge and between the first protection film and the second protection film; and a second adhesion part disposed adjacent to the second display edge and between the first protection film and the second protection film, wherein the first adhesion part and the second adhesion part have a larger modulus of elasticity than that of the first adhesive layer and the second adhesive layer, wherein the first and second adhesive layers directly contact a first side surface of the first adhesion part and a side surface of the second adhesion part, wherein a second side surface of the first adhesion part is coplanar with a first side surface of the first protection film and a first side surface of the second protection film, wherein the second side surface of the first adhesion part is opposite to the first side surface of the first adhesion part.