US 11,876,069 B2
Light emitting device having cantilever electrode, LED display panel and LED display apparatus having the same
Jong Hyeon Chae, Ansan-si (KR)
Assigned to Seoul Viosys Co., Ltd., Ansan-si (KR)
Filed by SEOUL VIOSYS CO., LTD., Ansan-si (KR)
Filed on Dec. 22, 2022, as Appl. No. 18/087,690.
Application 18/087,690 is a continuation of application No. 16/877,258, filed on May 18, 2020, granted, now 11,538,784.
Claims priority of provisional application 62/854,257, filed on May 29, 2019.
Prior Publication US 2023/0126735 A1, Apr. 27, 2023
Int. Cl. H01L 23/00 (2006.01); H01L 25/075 (2006.01); H01L 33/62 (2010.01)
CPC H01L 24/72 (2013.01) [H01L 25/0753 (2013.01); H01L 33/62 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display apparatus, comprising:
a circuit board;
at least one LED stack configured to emit light;
electrode pads disposed on the at least one LED stack and electrically connected to the at least one LED stack; and
electrodes disposed on the electrode pads and electrically connected to the electrode pads, respectively,
wherein each of the electrodes has a fixed region that is fixed to one of the electrode pads and an extending region that is spaced apart from the one of the electrode pads, and
wherein the electrodes include at least two metal layers having different thermal expansion coefficients from each other.