US 12,010,872 B2
Display device
Keunwoo Kim, Seongnam-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., Ltd., Yongin-Si (KR)
Filed on Nov. 15, 2021, as Appl. No. 17/526,343.
Claims priority of application No. 10-2021-0021443 (KR), filed on Feb. 17, 2021.
Prior Publication US 2022/0262881 A1, Aug. 18, 2022
Int. Cl. H01L 27/14 (2006.01); H10K 59/121 (2023.01); H10K 71/00 (2023.01); H01L 27/12 (2006.01); H01L 29/49 (2006.01); H01L 29/786 (2006.01); H10K 59/12 (2023.01)
CPC H10K 59/1213 (2023.02) [H10K 71/00 (2023.02); H01L 27/1222 (2013.01); H01L 29/4908 (2013.01); H01L 29/78645 (2013.01); H01L 29/78675 (2013.01); H10K 59/1201 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate;
a first active layer disposed on the substrate and including a first source region, a first drain region, and a first channel region disposed between the first source region and the first drain region;
a first gate insulating layer covering the first active layer on the substrate;
first gate electrodes respectively disposed on opposite sides of the first channel region and disposed directly on an upper surface defining the first gate insulating layer;
a second gate insulating layer covering the first gate electrodes and disposed on the first gate insulating layer;
a second gate electrode disposed in a central portion of the first channel region and disposed directly on an upper surface defining the second gate insulating layer; and
a first connection electrode disposed on the second gate electrode and connected to the first and second gate electrodes.