US 12,453,214 B2
Display device
Jong Hwan Cha, Suwon-si (KR); Seung Jin Chu, Cheonan-si (KR); and Je Min Lee, Asan-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Appl. No. 18/026,448
Filed by Samsung Display Co., LTD., Yongin-si (KR)
PCT Filed Sep. 7, 2021, PCT No. PCT/KR2021/012088
§ 371(c)(1), (2) Date Mar. 15, 2023,
PCT Pub. No. WO2022/059986, PCT Pub. Date Mar. 24, 2022.
Claims priority of application No. 10-2020-0118871 (KR), filed on Sep. 16, 2020.
Prior Publication US 2023/0261143 A1, Aug. 17, 2023
Int. Cl. H10H 20/831 (2025.01); H01L 25/16 (2023.01); H10D 86/40 (2025.01); H10D 86/60 (2025.01)
CPC H10H 20/831 (2025.01) [H01L 25/167 (2013.01); H10D 86/441 (2025.01); H10D 86/60 (2025.01)] 22 Claims
OG exemplary drawing
 
1. A display device comprising:
a first substrate;
a first conductive layer including a first voltage line and a second voltage line disposed on the first substrate;
a first transistor disposed on the first conductive layer and electrically connected to the first voltage line;
a plurality of first banks disposed on the first transistor and spaced apart from each other;
a first electrode disposed on the plurality of first banks and electrically connected to the first transistor,
a second electrode disposed on the plurality of first banks and electrically connected to the second voltage line;
a plurality of light emitting elements disposed on the first electrode and the second electrode;
a first contact electrode being in contact with end portions of the light emitting elements and disposed on the first electrode; and
a second contact electrode being in contact with other end portions of the light emitting elements and disposed on the second electrode.