US 12,075,898 B2
Decorative 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. 16/969,095
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Apr. 10, 2019, PCT No. PCT/KR2019/004293
§ 371(c)(1), (2) Date Aug. 11, 2020,
PCT Pub. No. WO2019/199061, PCT Pub. Date Oct. 17, 2019.
Claims priority of application No. 10-2018-0041562 (KR), filed on Apr. 10, 2018; and application No. 10-2018-0132095 (KR), filed on Oct. 31, 2018.
Prior Publication US 2021/0033755 A1, Feb. 4, 2021
Int. Cl. A45D 33/18 (2006.01); A45D 34/00 (2006.01); A45D 40/00 (2006.01); B29C 45/00 (2006.01); B29C 45/26 (2006.01); B32B 3/30 (2006.01); B32B 7/023 (2019.01); B32B 15/08 (2006.01); B32B 27/06 (2006.01); B44F 1/02 (2006.01); B44F 1/08 (2006.01); C01B 21/082 (2006.01); C08J 7/04 (2020.01); G02B 5/00 (2006.01); G02B 5/22 (2006.01); B29C 45/16 (2006.01); B29K 101/00 (2006.01); B65D 1/02 (2006.01); C23C 14/00 (2006.01)
CPC A45D 33/18 (2013.01) [A45D 34/00 (2013.01); A45D 40/00 (2013.01); B29C 45/0001 (2013.01); B29C 45/26 (2013.01); B32B 3/30 (2013.01); B32B 7/023 (2019.01); B32B 15/08 (2013.01); B32B 27/06 (2013.01); B44F 1/02 (2013.01); B44F 1/08 (2013.01); C01B 21/0825 (2013.01); C08J 7/0423 (2020.01); G02B 5/003 (2013.01); G02B 5/223 (2013.01); A45D 2034/007 (2013.01); A45D 2040/0012 (2013.01); A45D 2200/053 (2013.01); B29C 45/1679 (2013.01); B29K 2101/00 (2013.01); B29K 2901/12 (2013.01); B29K 2995/002 (2013.01); B32B 2255/28 (2013.01); B32B 2307/4026 (2013.01); B32B 2307/416 (2013.01); B32B 2439/40 (2013.01); B32B 2451/00 (2013.01); B65D 1/0207 (2013.01); C08J 2367/02 (2013.01); C23C 14/0036 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A decorative member comprising:
a color developing layer including a light reflective layer and a light absorbing layer provided on the light reflective layer; and
a substrate provided on one surface of the color developing layer, wherein the light absorbing layer includes a copper oxide (CuaOx); and
ω of the light absorbing layer, represented by the following Equation 1 is greater than or equal to 0.61 and less than or equal to 1.2 when conducting a component analysis on any one point of the light absorbing layer:

OG Complex Work Unit Math
in Equation 1, Tx is a T1-dependent function value of a function represented by f(T1), n is a positive integer of 1 or greater, and σx is represented by Equation 3;
in Equation 2, T1 is a thickness of the light absorbing layer including the any one point of the light absorbing layer on which the component analysis is conducted, and T0 is 60 nm; and
in Equation 3, a means the number of copper (Cu) atoms, and x means of the number of oxygen (O) atoms, in the CuaOx compound,
wherein the substrate includes a pattern layer, and the pattern layer includes a convex portion or concave portion shape having an asymmetric cross-section.