US 12,439,754 B2
Display device having bumps of different elastic moduli
Nak Cho Choi, Yongin-si (KR); and Sang Woo An, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Aug. 3, 2022, as Appl. No. 17/880,303.
Claims priority of application No. 10-2021-0148194 (KR), filed on Nov. 1, 2021.
Prior Publication US 2023/0138402 A1, May 4, 2023
Int. Cl. H10H 20/857 (2025.01); H01L 25/075 (2006.01); H10H 20/01 (2025.01)
CPC H10H 20/857 (2025.01) [H01L 25/0753 (2013.01); H10H 20/0364 (2025.01)] 33 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate;
a pixel circuit layer on the substrate;
a first connection electrode and a second connection electrode on the pixel circuit layer;
a first bump on the first connection electrode, and a second bump on the second connection electrode, the first bump and the second bump comprising materials having different elastic moduli; and
a light-emitting element comprising a first electrode electrically connected to the first connection electrode and a second electrode electrically connected to the second connection electrode.