Title:
LIGHTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/080099
Kind Code:
A1
Abstract:
A lighting device (1) comprises: a plurality of light sources (31), (32) that are provided substantially on the same plane; a condensing lens (24) that condenses light emitted from the plurality of light sources (31), (32); and a correcting plate (40) that is interposed between the condensing lens (24) and at least one light source (32) among the plurality of light sources (31), (32), and that changes the condensing position with respect to the propagation direction of the light emitted from the at least one light source (32). The plurality of light sources (31), (32) include: a first light source (31); and a second light source (32) that is provided further outward with respect to the optical axis (OA) of the condensing lens (24) than the first light source. The correcting plate (40) is interposed between the second light source (32) and the condensing lens (24).
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Inventors:
IKEDA TAKAHIRO (JP)
KOSUGI TETSUYA (JP)
TAKAHASHI FUMIHIRO (JP)
KUJIME RYOSUKE (JP)
ENDO MASAO (JP)
KOSUGI TETSUYA (JP)
TAKAHASHI FUMIHIRO (JP)
KUJIME RYOSUKE (JP)
ENDO MASAO (JP)
Application Number:
PCT/JP2023/034403
Publication Date:
April 18, 2024
Filing Date:
September 22, 2023
Export Citation:
Assignee:
PI PHOTONICS INC (JP)
International Classes:
F21S2/00; B66C15/00; F21V5/00; F21V5/02; F21V5/04; F21V13/12; F21V33/00; F21W131/40; F21Y103/33; F21Y105/16; F21Y113/10; F21Y115/10
Attorney, Agent or Firm:
KIMURA Mitsuru (JP)
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