US 12,290,158 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. 16/968,788
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Apr. 10, 2019, PCT No. PCT/KR2019/004295
§ 371(c)(1), (2) Date Aug. 10, 2020,
PCT Pub. No. WO2019/199063, PCT Pub. Date Oct. 17, 2019.
Claims priority of application No. 10-2018-0041562 (KR), filed on Apr. 10, 2018; and application No. 10-2018-0132104 (KR), filed on Oct. 31, 2018.
Prior Publication US 2021/0022475 A1, Jan. 28, 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)] 11 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 color developing layer or the substrate includes a pattern layer;
wherein the pattern layer includes a convex portion or concave portion shape having an asymmetric-structured cross-section,
wherein the convex portion or concave portion includes a first inclined surface and second inclined surface,
wherein an angle of the first inclined surface and the second inclined surface is 80 degrees to 100 degrees,
wherein a difference between an inclined angle of the first inclined surface and the second inclined surface is 30 degrees to 70 degrees,
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 0.001 and less than or equal to 0.6 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 an element content ratio of copper (Cu), and x means an element content ratio of oxygen (O)
wherein the light reflective layer is a single layer or a multilayer including one, two or more types of materials selected from the group consisting of one, two or more types of materials selected from among indium (In), tin (Sn), silicon (Si) and germanium (Ge); oxides thereof; nitrides thereof; oxynitrides thereof; carbon and carbon composites.