Invention Grant
- Patent Title: Light source device
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Application No.: US17917093Application Date: 2020-04-09
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Publication No.: US12025294B2Publication Date: 2024-07-02
- Inventor: Mamoru Hagiwara
- Applicant: USK TECHNOLOGY CO., LTD.
- Applicant Address: JP Mie
- Assignee: USK TECHNOLOGY CO., LTD.
- Current Assignee: USK TECHNOLOGY CO., LTD.
- Current Assignee Address: JP Mie
- Agency: Greenblum & Bernstein, P.L.C.
- International Application: PCT/JP2020/016807 2020.04.09
- International Announcement: WO2021/205671A 2021.10.14
- Date entered country: 2022-10-05
- Main IPC: F21V19/00
- IPC: F21V19/00 ; F21Y105/10 ; F21Y115/10
Abstract:
A light source device includes plural light-emitting diodes arranged on a plane. A viewing angle of each of the light-emitting diodes is less than 50° or more than 80°.
Public/Granted literature
- US20230151949A1 LIGHT SOURCE DEVICE Public/Granted day:2023-05-18
Information query
