公开(公告)号：US20220140033A1

公开(公告)日：2022-05-05

申请号：US17398742

申请日：2021-08-10

Applicant: Samsung Display Co., Ltd.

Inventor： Eung Taek KIM ,  Kohei EBISUNO ,  Suk Hoon KU ,  Jin Suk LEE ,  Jung Mi CHOI ,  Young In HWANG ,  Tae Sik KIM ,  Jin Suk SEO ,  Hwang Sup SHIN ,  Taek Geun LEE ,  Joo Hyeon JO ,  Hong Jun CHOI ,  Hee Yeon KIM ,  Na Lae LEE

IPC: H01L27/32 ,  H01L29/792

Abstract: A display device is provided. The display device includes a first substrate, a first charge trap layer disposed on the first substrate and including silicon nitride, a semiconductor layer disposed on the first charge trap layer and including a first active layer of a first transistor and a second active layer of a second transistor, and an organic light emitting element electrically connected to the first transistor, wherein a ratio of a content of a Si element to a content of an N element in the first charge trap layer is in a range of 1.6 to 2.5.