公开(公告)号：US10741615B2

公开(公告)日：2020-08-11

申请号：US15856423

申请日：2017-12-28

Applicant: LG Display Co., Ltd.

Inventor： Mingu Cho ,  Dojin Kim ,  Miae Kim

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/00

Abstract: A display device is disclosed. The display device includes a substrate including first to fourth subpixels, a first buffer layer positioned on the substrate, the first buffer layer including a silicon nitride layer and a silicon oxide layer, and a thin film transistor and an organic light emitting diode positioned on the first buffer layer. Each of the first to fourth subpixels includes an emission portion and a non-emission portion. A thickness of the silicon nitride layer in the non-emission portion is greater than a thickness of the silicon nitride layer in the emission portion.