公开(公告)号：US12292587B2

公开(公告)日：2025-05-06

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.