The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12504559 B1

Date of Patent:

Dec. 23, 2025

Filed:

Sep. 18, 2023

Protective film, manufacturing method thereof, and method of manufacturing display device using the same

Applicant:

Samsung Display Co., Ltd., Yongin-si, KR;

Inventor:

Sungjune Park, Suwon-si, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do, KR;

Attorney:

CANTOR COLBURN LLP

Primary Examiner:

Christopher W Raimund

Int. Cl.

CPC ...

G02B 1/14 (2015.01); B32B 7/06 (2019.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/28 (2006.01); B32B 27/36 (2006.01); H10K 59/122 (2023.01); H10K 59/131 (2023.01); H10K 59/80 (2023.01); H10K 77/10 (2023.01); H10K 102/00 (2023.01);

U.S. Cl.

CPC ...

G02B 1/14 (2015.01); B32B 7/06 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/281 (2013.01); B32B 27/36 (2013.01); H10K 59/122 (2023.02); H10K 59/873 (2023.02); H10K 77/111 (2023.02); B32B 2457/206 (2013.01); H10K 59/131 (2023.02); H10K 2102/321 (2023.02);

Abstract

A protective film includes a first film, a second film, and a panel protective film disposed between the first film and the second film. The panel protective film includes a first portion and a second portion spaced apart from each other along a first direction. The first portion includes a first side and a second side opposite to each other along the first direction, a third side and a fourth side opposite to each other along a second direction crossing the first direction, and a first curvilinear portion connecting the second side to the fourth side, the first curvilinear portion corresponding to first respective corners of the first film and the second film and having a curved shape. The first side faces the second portion, and the first curvilinear portion is disposed inside edges of the first film and the second film at the first respective corners thereof.

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