公开(公告)号：US20240224737A1

公开(公告)日：2024-07-04

申请号：US18500743

申请日：2023-11-02

Applicant: LG Display Co., Ltd.

Inventor： DaBin KIM ,  KyungKook JANG ,  SeungBum LEE ,  SeungRyong LEE

IPC: H10K59/80 ,  H01L25/16 ,  H01L33/58

CPC classification number: H10K59/877 ,  H01L25/167 ,  H01L33/58 ,  H01L2933/0058 ,  H01L2933/0091

Abstract: Provided are a light extraction sheet for a display device and a manufacturing method thereof. The light extraction sheet is disposed on an emission area of the display device. The light extraction sheet includes a base layer formed of an insulating material. Transparent metal oxide crystals are formed on one or both surfaces of the base layer as a pattern of irregular curves. Total reflection occurring at the boundary of an emission layer is overcome, and light extraction efficiency is improved.