PROTECTIVE FILM FOR COVER WINDOW OF FLEXIBLE DISPLAY DEVICE, COVER WINDOW COMPRISING SAME, AND DISPLAY DEVICE

Title:

PROTECTIVE FILM FOR COVER WINDOW OF FLEXIBLE DISPLAY DEVICE, COVER WINDOW COMPRISING SAME, AND DISPLAY DEVICE

Document Type and Number:

WIPO Patent Application WO/2022/154144

Kind Code:

A1

Abstract:

The present invention relates to: a protective film for a cover window of a flexible display device; a cover window of a flexible display device, comprising same; and a flexible display device, the protective film comprising, as sequential layers, a first hard coating layer comprising 3 parts by weight or less of inorganic particles on the basis of 100 parts by weight of a binder resin, a second hard coating layer comprising 10-45 parts by weight of inorganic particles on the basis of 100 parts by weight of a binder resin, and a light-transmitting substrate, wherein the first hard coating layer and the second hard coating layer have a specific thickness ratio.

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Inventors:

LEE HANNA (KR)
LEE INKYU (KR)
CHANG YEONGRAE (KR)
PARK JIN YOUNG (KR)
HEO YONGJOON (KR)

Application Number:

PCT/KR2021/000625

Publication Date:

July 21, 2022

Filing Date:

January 15, 2021

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)

International Classes:

C08J7/046; C08J5/18; C09D4/00; C09D7/63; G09F9/30

Foreign References:

JP2017033031A	2017-02-09
KR20180027317A	2018-03-14
JP2000052472A	2000-02-22
JP2008094105A	2008-04-24
KR102147367B1	2020-08-24
KR102151694B1	2020-09-03

Attorney, Agent or Firm:

YOU ME PATENT AND LAW FIRM (KR)

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