Invention Grant
- Patent Title: Lighting device and vehicle lamp having same
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Application No.: US18019327Application Date: 2021-08-10
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Publication No.: US11886087B2Publication Date: 2024-01-30
- Inventor: Yeong Seok Yu , Do Yub Kim , Se Yeon Choi
- 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
- Agency: KED & ASSOCIATES, LLP
- Priority: KR 20200100399 2020.08.11
- International Application: PCT/KR2021/010568 2021.08.10
- International Announcement: WO2022/035179A 2022.02.17
- Date entered country: 2023-02-02
- Main IPC: G02F1/137
- IPC: G02F1/137 ; G02F1/1335 ; G02F1/135

Abstract:
The lighting device disclosed in the embodiment includes a substrate, a light emitting device disposed on a lower surface of the substrate, a reflective layer disposed to face a light emitting surface of the light emitting device, a first resin layer disposed between the substrate and the reflective layer, and a light-transmission control layer disposed on an upper surface of the substrate, wherein the light-transmission control layer may include a liquid crystal layer including a cholesteric liquid crystal, and light emitted through the light emitting surface of the light emitting device may be reflected by the reflective layer and be provided to the light-transmission control layer through the substrate.
Public/Granted literature
- US20230273492A1 LIGHTING DEVICE AND VEHICLE LAMP HAVING SAME Public/Granted day:2023-08-31
Information query