Title:
ILLUMINATING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/032485
Kind Code:
A1
Abstract:
This illuminating device is provided with a light emitting diode, and a Fresnel lens which accepts light from the light emitting diode. The Fresnel lens has a focal length that increases from a central portion toward an outer circumferential portion.
Inventors:
KASANO MASAHIRO
HYUGA HIDEAKI
HYUGA HIDEAKI
Application Number:
PCT/JP2022/027812
Publication Date:
March 09, 2023
Filing Date:
July 15, 2022
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
F21S2/00; F21V5/04; F21V14/02; F21V19/02; F21Y115/10
Foreign References:
| JP2005259474A | 2005-09-22 | |||
| JP2001307502A | 2001-11-02 | |||
| JP2009204706A | 2009-09-10 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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