- 专利标题: OPTICAL MEMBER, LIGHTING DEVICE AND VEHICLE LAMP HAVING SAME
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申请号: US18681177申请日: 2022-08-18
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公开(公告)号: US20240280237A1公开(公告)日: 2024-08-22
- 发明人: Eay Jin LIM
- 申请人: LG INNOTEK CO., LTD.
- 申请人地址: KR Seoul
- 专利权人: LG INNOTEK CO., LTD.
- 当前专利权人: LG INNOTEK CO., LTD.
- 当前专利权人地址: KR Seoul
- 优先权: KR 20210109619 2021.08.19
- 国际申请: PCT/KR2022/012306 2022.08.18
- 进入国家日期: 2024-02-05
- 主分类号: F21S43/40
- IPC分类号: F21S43/40 ; F21S43/14 ; F21S43/16 ; F21S43/19 ; F21S43/31 ; F21Y113/00 ; F21Y115/10
摘要:
The lighting device disclosed at an embodiment of the invention comprises a substrate; a light source disposed on the substrate; a resin layer disposed on the substrate; and an optical member disposed on the resin layer, wherein the optical member includes a base layer, a pattern layer disposed on the base layer, and a reflective layer disposed on the pattern layer, and a pattern of the pattern layer includes a first surface and a second surface having a predetermined angle with respect to the first surface, the reflective layer is disposed on the first surface, and a difference between a intensity of light emitted to an outside through the first surface and the second surface may be 5 times or more.
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