US 11,721,667 B2
Stretchable display device
Kihan Kim, Paju-si (KR); and Hyokang Lee, Paju-si (KR)
Assigned to LG Display Co., Ltd., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Jul. 29, 2021, as Appl. No. 17/389,207.
Application 17/389,207 is a continuation of application No. 16/688,900, filed on Nov. 19, 2019, granted, now 11,107,792.
Claims priority of application No. 10-2018-0143758 (KR), filed on Nov. 20, 2018; and application No. 10-2019-0117516 (KR), filed on Sep. 24, 2019.
Prior Publication US 2021/0358887 A1, Nov. 18, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. H01L 25/065 (2023.01); G09F 9/30 (2006.01); G06F 1/16 (2006.01)
CPC H01L 25/0655 (2013.01) [G06F 1/1652 (2013.01); G09F 9/301 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A stretchable display device, comprising:
a lower substrate as a first substrate, the lower substrate having an active area and a non-active area adjacent to the active area;
a plurality of second substrates positioned on the lower substrate and horizontally separated from each other;
a transistor disposed on a second substrate of the plurality of second substrates;
a light emitting element on the transistor and on the second substrate;
one or more third substrates positioned between the plurality of second substrates to interconnect two adjacent second substrates, and the third substrate having a first portion having a narrower width than a second portion of the third substrate;
an upper substrate covering the lower substrate and the light emitting element; and
a plurality of connection lines disposed on the third substrate,
wherein at least one of the lower substrate and the upper substrate is a flexible substrate,
wherein the third substrate has a top surface and a bottom surface, the top surface is adjacent to the connection line and the bottom surface is adjacent to the lower substrate, and
wherein a width of the top surface is greater than a width of one of the plurality of the connection lines.