Invention Grant
- Patent Title: Hologram medium and optical element
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Application No.: US16764421Application Date: 2019-09-10
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Publication No.: US11307494B2Publication Date: 2022-04-19
- Inventor: Heon Kim , Seokhoon Jang , Se Hyun Kwon , Yeongrae Chang , Jinseok Byun
- Applicant: LG CHEM, LTD.
- Applicant Address: KR Seoul
- Assignee: LG CHEM, LTD.
- Current Assignee: LG CHEM, LTD.
- Current Assignee Address: KR Seoul
- Agency: Rothwell, Figg, Ernst & Manbeck, P.C.
- Priority: KR10-2018-0110419 20180914
- International Application: PCT/KR2019/011714 WO 20190910
- International Announcement: WO2020/055096 WO 20200319
- Main IPC: G03F7/00
- IPC: G03F7/00 ; G03F7/033 ; G03F7/027 ; G03H1/02 ; G11B7/24044 ; C08F220/18
Abstract:
The present disclosure relates to a hologram medium comprising: a polymer substrate including a polymer resin in which a silane-based functional group is located in a main chain or a branched chain, wherein a fine pattern is formed on at least one surface of the polymer substrate, and an optical element.
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