US 12,113,160 B2
Display device
JunHyuk Song, Seoul (KR); Hyokang Lee, Seoul (KR); Hyowon Kwon, Suwon-si (KR); MoonBae Gee, Paju-si (KR); and KiHan Kim, Paju-si (KR)
Assigned to LG Display Co., Ltd., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Nov. 16, 2021, as Appl. No. 17/527,885.
Claims priority of application No. 10-2020-0153424 (KR), filed on Nov. 17, 2020; and application No. 10-2021-0139771 (KR), filed on Oct. 19, 2021.
Prior Publication US 2022/0158057 A1, May 19, 2022
Int. Cl. H01L 33/62 (2010.01); H01L 25/075 (2006.01); H01L 25/16 (2023.01); H01L 27/15 (2006.01); H01L 33/00 (2010.01); H10K 59/122 (2023.01); H10K 59/123 (2023.01); H10K 59/131 (2023.01)
CPC H01L 33/62 (2013.01) [H01L 27/156 (2013.01); H01L 33/005 (2013.01); H01L 2933/0066 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A display device, comprising:
a lower substrate;
a plurality of pixel substrates disposed on the lower substrate;
a plurality of transistors disposed on the plurality of pixel substrates;
a planarization layer disposed on the plurality of pixel substrates to cover upper portions of the plurality of transistors;
a plurality of individual connection pads disposed on the planarization layer;
a common connection pad disposed on the planarization layer;
a plurality of light emitting diodes disposed on the plurality of individual connection pads and the common connection pad; and
an adhesive layer electrically connecting the plurality of individual connection pads and the common connection pad to the plurality of light emitting diodes,
wherein at least one of the plurality of individual connection pads and the common connection pad has a multilayer structure, and
wherein at least one pixel substrate of the plurality of pixel substrates is between the lower substrate and the plurality of transistors.