	US 11,912,887 B2
	Anti-fingerprint coating compound, display protective layer including same, and electronic apparatus including display protective layer
Kangwoo Lee, Yongin-si (KR); Youngdo Kim, Yongin-si (KR); Aely Oh, Yongin-si (KR); Jonghwan Cho, Yongin-si (KR); and Seongsik Choi, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Sep. 8, 2021, as Appl. No. 17/468,956.
Claims priority of application No. 10-2021-0007677 (KR), filed on Jan. 19, 2021.
Prior Publication US 2022/0227953 A1, Jul. 21, 2022
Int. Cl. C09D 171/00 (2006.01); C09D 183/06 (2006.01); C08J 7/04 (2020.01); C08J 7/046 (2020.01); C09D 5/16 (2006.01); C08G 77/46 (2006.01)

CPC C09D 171/00 (2013.01) [C08G 77/46 (2013.01); C08J 7/042 (2013.01); C08J 7/046 (2020.01); C09D 5/1662 (2013.01); C09D 183/06 (2013.01); C08J 2367/02 (2013.01); C08J 2423/26 (2013.01); C08J 2483/06 (2013.01); C09D 5/1693 (2013.01)]

19 Claims

1. An anti-fingerprint coating compound comprising a top portion, a linker, and an end portion, wherein

the top portion includes two or three perfluoropolyether moieties,

the linker linking the top portion to the end portion is a trivalent or tetravalent linking group,

the end portion includes a siloxane moiety or a trialkoxysilane moiety, and

the linker is represented by Formula 2:

wherein, in Formula 2,

R₁₁represents a C₁-C₆₀alkylene group, and R₁₂represents a C₂-C₆₀heteroalkylene group,

n1 and n2 each independently represents an integer of 0 or 1, and sum of n1 and n2 is 1,

n3 and n4 each independently represents an integer from 1 to 10,

when n3 is 2 or more, respective R₁₁'s are identical to or different from each other,

when n4 is 2 or more, respective R₁₂'s are identical to or different from each other,

* represents a binding site to the top portion, and

*′ represents a binding site to the end portion.