US 12,089,461 B2
Display device
Mindo Heo, Gunpo-si (KR); Min Kyu Woo, Seoul (KR); and Seon Young Choi, Gunpo-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Jan. 11, 2023, as Appl. No. 18/095,957.
Claims priority of application No. 10-2022-0006467 (KR), filed on Jan. 17, 2022.
Prior Publication US 2023/0232679 A1, Jul. 20, 2023
Int. Cl. H10K 59/131 (2023.01); G09G 3/3233 (2016.01); H10K 59/124 (2023.01)
CPC H10K 59/131 (2023.02) [G09G 3/3233 (2013.01); G09G 2300/0408 (2013.01); G09G 2300/0426 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0852 (2013.01); G09G 2300/0861 (2013.01); G09G 2320/0214 (2013.01); H10K 59/124 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate; and
a semiconductor layer comprising a driving transistor and a fourth transistor on the substrate,
a first electrode of the driving transistor connected to a driving voltage line to receive a driving voltage,
a first electrode of the fourth transistor connected to a first initialization voltage line to receive a first initialization voltage,
a second electrode of the fourth transistor is connected to a gate electrode of the driving transistor,
a low doping region between a channel of the fourth transistor and the first electrode of the fourth transistor, and
wherein a low doping region is not between the channel of the fourth transistor and the second electrode of the fourth transistor.