公开(公告)号：US11330732B2

公开(公告)日：2022-05-10

申请号：US16481137

申请日：2017-11-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hakju Kim ,  Se Jin Kim ,  Hosoon Lee ,  Seon-Jung Kim ,  Wanju Sin ,  Kyuin Lee ,  Jiwoon Lim ,  Jong Wan Jeong

IPC: H05K5/04 ,  C25D11/18 ,  C23C28/04 ,  C25D11/26 ,  C25D11/30 ,  H04M1/02 ,  C25D11/04 ,  C25D11/24 ,  C25D11/16 ,  H05K5/00

Abstract: According to various embodiments, a method for manufacturing a metal housing can be provided, comprising: a step of forming a metal base made of a metal material; a step of pretreating the surface of the metal base such that the surface has a predetermined gloss and flatness; an anodizing step of forming a predetermined oxide film on the flat surface of the metal base; a step of coloring the oxide film by using a colorant having a desired color; a sealing step for maintaining the performance and characteristics of the colorant on the colored oxide film; and a step of laminating at least one deposition layer on the upper part of the sealed oxide film.

公开(公告)号：US12171080B2

公开(公告)日：2024-12-17

申请号：US17896733

申请日：2022-08-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyoungdon Son ,  Poonggi Jung ,  Sejin Kim ,  Hakju Kim ,  Jindeuk Jeon

IPC: H05K5/03 ,  B24B29/00 ,  C03B23/03 ,  C03C17/00

Abstract: A rear cover of an electronic device is provided. The rear cover includes a glass substrate including a first face facing a first direction, a second face facing a second direction opposite to the first direction, and at least one side face disposed between the first face and the second face, a roughness layer formed on the first face and having a first roughness, a hairline pattern formed on the roughness layer and having a second roughness, and a hard coating layer formed on the roughness layer and the hairline pattern.

公开(公告)号：US20240074076A1

公开(公告)日：2024-02-29

申请号：US18240136

申请日：2023-08-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Poonggi JUNG ,  Seonjung Kim ,  Kyunghyun Kim ,  Hakju Kim ,  Hyunsuk Choi

IPC: H05K5/02

CPC classification number: H05K5/0243

Abstract: A housing of an electronic device includes a base layer, a first visible layer provided on a first surface of the base layer, and a second visible layer provided on a second surface of the base layer. The second visible layer is non-visible from an outside of the electronic device in a first illumination environment and where the first visible layer and the second visible layer are visible from the outside of the electronic device in a second illumination environment.