Title:
ILLUMINATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/220779
Kind Code:
A1
Abstract:
[Problem] To provide an illumination device in which damage to a light emitting element from heat emission is prevented, and which can illuminate an operative part with a high degree of illumination and can be easily assembled. [Solution] An illumination device (1) equipped with an illumination part (3) that lights up a prescribed location, a support part (2) that comprises the illumination part (3) at one end, and a power supply part (4) that is connected to the other end of the support part (2) and supplies power to the illumination part (3), said illumination part (3) comprising a hollow case member (31) that has at least one open end, a condenser lens (33) that is provided so as to seal the open end of the case member (31), a light emitting element (36) that is electrically connected to the power supply part (4) and is enveloped by the case member (31) such that an air gap is interposed between said light emitting element (36) and the condenser lens (33), and a heat radiation body (34) that supports the light emitting element (36), and said light emitting element (36) having a light emitting surface arranged opposite to the condenser lens (33), wherein the illumination device is characterized in that the heat radiation body (34) is inscribed on the case member (31).
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Inventors:
MORISHITA SHUN (JP)
Application Number:
PCT/JP2021/015066
Publication Date:
November 04, 2021
Filing Date:
April 09, 2021
Export Citation:
Assignee:
NITTO SEIKO KK (JP)
International Classes:
F21V17/00; F21S2/00; F21V5/00; F21V23/00; F21V29/503; F21V29/507; F21V29/70; F21W131/20; F21Y115/10
Domestic Patent References:
| WO2018235436A1 | 2018-12-27 |
Foreign References:
| JP2019000476A | 2019-01-10 | |||
| JP2008269938A | 2008-11-06 | |||
| JP2015002032A | 2015-01-05 | |||
| JP2018527959A | 2018-09-27 |
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