公开(公告)号：US12089461B2

公开(公告)日：2024-09-10

申请号：US18095957

申请日：2023-01-11

Applicant: Samsung Display Co., LTD.

Inventor： Mindo Heo ,  Min Kyu Woo ,  Seon Young Choi

IPC: H10K59/131 ,  G09G3/3233 ,  H10K59/124

CPC classification number: H10K59/131 ,  G09G3/3233 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2320/0214 ,  H10K59/124

Abstract: A display device includes: a substrate; and a semiconductor layer including a driving transistor and a fourth transistor on the substrate, wherein a first electrode of the driving transistor is connected to a driving voltage line to receive a driving voltage, a first electrode of the fourth transistor is 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 is between a channel of the fourth transistor and the first electrode of the fourth transistor, and a low doping region is not between the channel of the further transistor and the second electrode of the fourth transistor.