公开(公告)号：US20230018835A1

公开(公告)日：2023-01-19

申请号：US17858391

申请日：2022-07-06

Applicant: Korea Institute of Science and Technology

Inventor： Ji Young BYUN ,  MD ABDUR RAHMAN ,  So Hye CHO ,  Seung Yong LEE ,  Hyungduk KO ,  Sung Lim CHOI ,  Dong Kyu KIM ,  Kwang-deok CHOI ,  Inuk BAEK ,  Yun Hee KIM

IPC: G02B5/28

Abstract: Provided is a high-durability coloring metal member. The high-durability coloring metal member includes a metal substrate, a dielectric layer provided on the metal substrate, and an oxynitride compound layer provided on the dielectric layer. The metal member is capable of expressing vivid and various colors with a color protection layer applied on the surface of the metal member.