US 12,464,906 B2
Display device
Ji-Sun Kim, Seoul (KR); Jang Mi Kang, Seoul (KR); Sun Hwa Lee, Yongin-si (KR); and Mu Kyung Jeon, Jung-gu (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Jun. 17, 2024, as Appl. No. 18/745,955.
Application 18/745,955 is a division of application No. 17/479,125, filed on Sep. 20, 2021, granted, now 12,041,824.
Application 17/479,125 is a continuation of application No. 15/994,743, filed on May 31, 2018, granted, now 11,127,805.
Claims priority of application No. 10-2017-0069782 (KR), filed on Jun. 5, 2017.
Prior Publication US 2024/0341131 A1, Oct. 10, 2024
Int. Cl. H10K 59/126 (2023.01); G09G 3/00 (2006.01); G09G 3/3233 (2016.01); G09G 3/3258 (2016.01); H10D 30/67 (2025.01); H10D 86/40 (2025.01); H10D 86/60 (2025.01); H10K 59/121 (2023.01); H10K 59/131 (2023.01)
CPC H10K 59/126 (2023.02) [G09G 3/00 (2013.01); G09G 3/3233 (2013.01); G09G 3/3258 (2013.01); H10D 30/6723 (2025.01); H10D 30/6731 (2025.01); H10D 30/6745 (2025.01); H10D 30/6755 (2025.01); H10D 86/423 (2025.01); H10D 86/441 (2025.01); H10D 86/471 (2025.01); H10D 86/481 (2025.01); H10D 86/60 (2025.01); H10K 59/1213 (2023.02); H10K 59/131 (2023.02); G09G 2300/0465 (2013.01); G09G 2300/0814 (2013.01); G09G 2300/0819 (2013.01); G09G 2310/0251 (2013.01); G09G 2320/0247 (2013.01); G09G 2330/021 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate:
a first transistor which is disposed on the substrate and includes:
a first channel disposed on the substrate and including a polycrystalline semiconductor;
a first source and a first drain disposed on the first channel; and
a first gate electrode overlapping the first channel;
a first insulating layer on the first gate electrode,
a second transistor which is disposed on the substrate, is separated from the first transistor and includes:
a second gate electrode disposed on the first insulating layer;
a second channel disposed on the second gate electrode and including an oxide semiconductor;
a second source and a second drain disposed on the second channel; and
a driving voltage line disposed on the second source electrode and the second drain electrode and overlapping the second channel,
a first electrode connected to one of the first transistor and the second transistor;
a second electrode facing the first electrode; and
a light emission member disposed between the first electrode and the second electrode.