Invention Grant
- Patent Title: Hologram medium
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Application No.: US16972547Application Date: 2019-09-11
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Publication No.: US11994704B2Publication Date: 2024-05-28
- Inventor: Seokhoon Jang , Jinseok Byun , Heon Kim , Se Hyun Kwon , Yeongrae Chang
- 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: KR 20180115322 2018.09.27
- International Application: PCT/KR2019/011874 2019.09.11
- International Announcement: WO2020/067668A 2020.04.02
- Date entered country: 2020-12-04
- Main IPC: G02B5/32
- IPC: G02B5/32 ; C08L33/10 ; G03F7/075 ; G03H1/02

Abstract:
The present disclosure relates to a hologram recording medium having one surface with a higher surface energy than a polymer resin layer containing at least one polymer selected from the group consisting of triacetyl cellulose, alicyclic olefin polymer and polyethylene terephthalate, a hologram recording medium wherein the surface energy of any one surface is 50 mN/m or more, and an optical element comprising the hologram medium.
Public/Granted literature
- US20210239894A1 HOLOGRAM MEDIUM Public/Granted day:2021-08-05
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