Title:
UNDERWATER LED ILLUMINATION DEVICE AND UNDERWATER LED ILLUMINATION SYSTEM
Document Type and Number:
Japanese Patent JP2014045691
Kind Code:
A
Abstract:
To provide an underwater LED illumination device capable of effectively dissipating heat from an LED element in water.
An underwater LED illumination device 10, in which a through-hole 21 that penetrates from one end to the other end, has a cooling tube 20 having a plurality of outer surfaces 22, and an LED panel 30 including a plurality of LED elements 32, which is attached to the outer surfaces 22 of the cooling tube 20. The LED panel 30 is cooled by water flowing into the through-hole 21 of the cooling tube 20.
Inventors:
TAKUNO MASAMI
Application Number:
JP2012190010A
Publication Date:
March 17, 2014
Filing Date:
August 30, 2012
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
A01K79/00; F21S6/00; F21V19/00; F21V29/00; F21V31/00; F21Y101/02
Domestic Patent References:
| JPS49151268U | 1974-12-27 | |||
| JPS515285U | 1976-01-14 | |||
| JPH11299393A | 1999-11-02 |
Foreign References:
| WO2005029952A1 | 2005-04-07 |
Attorney, Agent or Firm:
Hirohito Katsunuma
Hiroyuki Nagai
Katsuomi Isogai
Yukihiro Hotta
Takuhisa Murata
Hiroyuki Nagai
Katsuomi Isogai
Yukihiro Hotta
Takuhisa Murata