Invention Application
- Patent Title: OPTICAL RESIN AND LIGHTING DEVICE HAVING SAME
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Application No.: US17626243Application Date: 2020-07-22
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Publication No.: US20220259349A1Publication Date: 2022-08-18
- Inventor: Hyun Hee CHAE
- Applicant: LG INNOTEK CO., LTD.
- Applicant Address: KR Seoul
- Assignee: LG INNOTEK CO., LTD.
- Current Assignee: LG INNOTEK CO., LTD.
- Current Assignee Address: KR Seoul
- Priority: KR10-2019-0090370 20190725
- International Application: PCT/KR2020/009644 WO 20200722
- Main IPC: C08F220/18
- IPC: C08F220/18 ; F21K9/68 ; G02B1/04 ; G02B5/02 ; C08F2/44 ; C08F2/50 ; C08F220/32 ; C08K5/00 ; C08K5/17

Abstract:
A lighting device disclosed in an embodiment of the invention includes a substrate; a light emitting device disposed on the substrate; a resin layer sealing the light emitting device on the substrate; and a diffusion layer or a reflective substrate disposed on the resin layer, wherein the resin layer includes an oligomer, a monomer, and an additive, wherein the monomer includes IBOA (Iso-bornyl Acrylate), two or more dilution monomers and glycidyl methacrylate (GMA), the additive includes a photoinitiator and an amine-based light stabilizer, and in the oligomer and the monomer, the content of glycidyl methacrylate is 10 to 15%, and the resin layer may be a curable transparent resin cured by ultraviolet light.
Public/Granted literature
- US11897981B2 Optical resin and lighting device having same Public/Granted day:2024-02-13
Information query
IPC分类: