US 12,336,350 B2
High resolution display device with reduced current consumption and load
So Young Yeo, Yongin-si (KR); Dae Ho Song, Yongin-si (KR); Soo Chul Kim, Yongin-si (KR); Jin Taek Park, Yongin-si (KR); and Ok Yi Lee, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Dec. 14, 2021, as Appl. No. 17/550,490.
Claims priority of application No. 10-2021-0056891 (KR), filed on Apr. 30, 2021; and application No. 10-2021-0073064 (KR), filed on Jun. 4, 2021.
Prior Publication US 2022/0352442 A1, Nov. 3, 2022
Int. Cl. H10H 20/857 (2025.01); H10H 20/01 (2025.01); H10H 20/831 (2025.01); H10H 29/14 (2025.01)
CPC H10H 20/857 (2025.01) [H10H 20/01 (2025.01); H10H 20/831 (2025.01); H10H 29/142 (2025.01); H10H 20/032 (2025.01); H10H 20/0364 (2025.01)] 6 Claims
OG exemplary drawing
 
1. A display device comprising:
a common electrode;
light emitting elements including anodes commonly and electrically connected to the common electrode;
first contact electrodes respectively electrically connected to cathodes of the light emitting elements;
a circuit substrate; and
second contact electrodes disposed on the circuit substrate and respectively electrically connected to the first contact electrodes and the common electrode, wherein
the common electrode is electrically connected to a first power line of the circuit substrate through a corresponding one of the second contact electrodes, and
the cathodes of the light emitting elements are electrically connected to a first electrode of a driving transistor of the circuit substrate through a corresponding one of the first contact electrodes and a corresponding one of the second contact electrodes.