公开(公告)号：US20200091456A1

公开(公告)日：2020-03-19

申请号：US16470089

申请日：2017-12-13

Applicant: LG INNOTEK CO., LTD.

Inventor： Jong Sun KIM ,  Duck Hoon PARK ,  Jae Seok PARK ,  Jun Sik SHIN ,  Yu Lim CHOE ,  Yu Mi HAN

IPC: H01L51/52

Abstract: A display cover substrate according to an embodiment includes: a flexible substrate including one surface and the other surface opposite to the one surface; a surface reinforcing layer disposed on the one surface; and a functional layer disposed on the surface reinforcing layer, wherein the functional layer includes a plurality of layers having different refractive indexes, and an average light transmittance is 90% or more in a light wavelength band of 388 nm to 700 nm, and an average light transmittance is less than 90% and a minimum light transmittance is 60% or less in a light wavelength band of 250 nm to 388 nm.