公开(公告)号：US20250024708A1

公开(公告)日：2025-01-16

申请号：US18904654

申请日：2024-10-02

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Bum HAN ,  Moon Sung KIM ,  Young Gil PARK ,  Soo lm JEONG

IPC: H10K59/121 ,  G09G3/3233 ,  H01L27/12 ,  H01L29/66 ,  H01L29/786 ,  H10K59/12 ,  H10K59/40

Abstract: A display device includes: a substrate; and a semiconductor layer disposed on the substrate, and including a first area, a second area, and a third area that are sequentially positioned by dividing the semiconductor layer into three areas in a thickness direction of the semiconductor layer, wherein the semiconductor layer includes polycrystalline silicon, a concentration of fluorine contained in the semiconductor layer has a first peak value in the first area and a second peak value in the third area, and the first peak value of the concentration of the fluorine in the semiconductor layer is about 30% or less of the second peak value of the concentration of the fluorine in the semiconductor layer.