US 12,446,410 B2
Electroluminescence display
AhnKi Kim, Paju-si (KR)
Assigned to LG Display Co., Ltd., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Oct. 31, 2022, as Appl. No. 17/977,956.
Claims priority of application No. 10-2021-0193055 (KR), filed on Dec. 30, 2021.
Prior Publication US 2023/0217722 A1, Jul. 6, 2023
Int. Cl. H10K 59/122 (2023.01); H10K 59/38 (2023.01); H10K 59/88 (2023.01)
CPC H10K 59/122 (2023.02) [H10K 59/38 (2023.02); H10K 59/88 (2023.02)] 25 Claims
OG exemplary drawing
 
1. An electroluminescence display comprising:
a pixel defined on a substrate;
a first electrode disposed at the pixel;
a trench that at least partially surrounds the pixel;
a first metal layer on a bottom surface in the trench;
a bank on an outer periphery of the first electrode and on the first metal layer in the trench;
a second metal layer in the trench, the second metal layer on the bank in the trench;
an emission layer on the first electrode, the bank, and the second metal layer; and
a second electrode on the emission layer.