US 11,889,910 B2
Decoration member
Yong Chan Kim, Daejeon (KR); Ki Hwan Kim, Daejeon (KR); Nansra Heo, Daejeon (KR); Jeong Woo Shon, Daejeon (KR); and Pilsung Jo, Daejeon (KR)
Assigned to LG Chem, Ltd., Seoul (KR)
Appl. No. 16/965,723
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Jun. 14, 2019, PCT No. PCT/KR2019/007241
§ 371(c)(1), (2) Date Jul. 29, 2020,
PCT Pub. No. WO2019/240553, PCT Pub. Date Dec. 19, 2019.
Claims priority of application No. 10-2018-0069234 (KR), filed on Jun. 15, 2018; and application No. 10-2018-0132066 (KR), filed on Oct. 31, 2018.
Prior Publication US 2021/0030134 A1, Feb. 4, 2021
Int. Cl. A45D 33/18 (2006.01); G02B 5/00 (2006.01); G02B 5/26 (2006.01); A45D 34/00 (2006.01); A45D 40/00 (2006.01); C08J 7/04 (2020.01); C03C 17/245 (2006.01); B29C 45/26 (2006.01); G02B 5/28 (2006.01); B32B 15/082 (2006.01); B32B 15/20 (2006.01); G02B 5/04 (2006.01); C23C 14/00 (2006.01)
CPC A45D 33/18 (2013.01) [A45D 34/00 (2013.01); A45D 40/00 (2013.01); B29C 45/26 (2013.01); B32B 15/082 (2013.01); B32B 15/20 (2013.01); C03C 17/245 (2013.01); C08J 7/0423 (2020.01); C23C 14/0036 (2013.01); G02B 5/003 (2013.01); G02B 5/045 (2013.01); G02B 5/26 (2013.01); G02B 5/285 (2013.01); A45D 2034/007 (2013.01); A45D 2040/0012 (2013.01); B29K 2901/12 (2013.01); B29K 2995/002 (2013.01); B32B 2307/4023 (2013.01); B32B 2307/416 (2013.01); B32B 2311/04 (2013.01); B32B 2311/08 (2013.01); B32B 2311/18 (2013.01); B32B 2311/22 (2013.01); B32B 2311/24 (2013.01); B32B 2439/00 (2013.01); C03C 2217/72 (2013.01); C03C 2218/155 (2013.01); C08J 2367/02 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A decoration member comprising:
a color expression layer comprising a light reflection layer and a light absorption layer provided on the light reflection layer; and
a substrate provided on one surface of the color expression layer,
wherein the light absorption layer comprises a copper nickel oxide (CuaNibOx), and
ω represented by Equation 1 is in a range of 0.71 to 3, when a component analysis is performed with respect to any one point of the light absorption layer:

OG Complex Work Unit Math
wherein in Equation 1, Tx represents a function value depending on T1 of a function represented by the f(T1), n represents a positive integer of 1 or more, and σx is represented by Equation 3,
wherein in Equation 2, T1 represents a thickness of the light absorption layer comprising any one point of the light absorption layer in which the component analysis is performed and T0 is 60 nm, and
wherein in Equation 3, the a means an element content ratio of copper (Cu), b means an element content ratio of nickel (Ni), and x means an element content ratio of oxygen (O).