US 12,277,876 B2
Expandable display device
Jung Hun Lee, Hwaseong-si (KR); Sun Ho Kim, Seongnam-si (KR); Young-Seok Seo, Seoul (KR); Tae An Seo, 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 Jan. 3, 2023, as Appl. No. 18/149,567.
Application 16/726,463 is a division of application No. 15/724,395, filed on Oct. 4, 2017, granted, now 10,553,135, issued on Feb. 4, 2020.
Application 18/149,567 is a continuation of application No. 17/329,364, filed on May 25, 2021, granted, now 11,545,054, issued on Jan. 3, 2023.
Application 17/329,364 is a continuation of application No. 16/726,463, filed on Dec. 24, 2019, granted, now 11,056,025, issued on Jul. 6, 2021.
Claims priority of application No. 10-2016-0129096 (KR), filed on Oct. 6, 2016.
Prior Publication US 2023/0138809 A1, May 4, 2023
Int. Cl. G06F 1/16 (2006.01); G02F 1/1333 (2006.01); G06F 3/147 (2006.01); G09F 9/30 (2006.01); G09G 3/20 (2006.01); H10K 50/84 (2023.01); H10K 59/40 (2023.01)
CPC G09F 9/301 (2013.01) [G02F 1/133305 (2013.01); G02F 1/133308 (2013.01); G06F 1/1641 (2013.01); G06F 1/1652 (2013.01); G06F 3/147 (2013.01); G09G 3/20 (2013.01); G09G 2380/02 (2013.01); H10K 50/841 (2023.02); H10K 59/40 (2023.02)] 19 Claims
OG exemplary drawing
 
1. An expandable display device, comprising:
a housing that includes a bending guide that includes a first curved side having a first radius of curvature and a second curved side having a second radius of curvature different from the first radius of curvature and facing the first curved side, and a receiver that includes an internal space connected with an internal space of the bending guide;
a display panel partially disposed between the first curved side and the second curved side and attached to the housing, the display panel is changeable in a reduction mode and in an expansion mode, wherein the receiver receives an end portion of the display panel in the reduction mode;
a slider that slides in a first direction from the housing and includes a linear guide that includes a rail that extends in the first direction,
an internal guide that includes the second curved side; and
an elastic member disposed between the internal guide and the linear guide,
wherein the elastic member linearly expands and contracts between the reduction mode and the expansion mode.