Title:
LED LIGHTING DEVICE
Document Type and Number:
Japanese Patent JP3966845
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a silent LED lighting device having no cooling fan, exerting a sufficient heat radiation effect even if a plurality of LED lamps are mounted as the LED lighting device with high brightness of which the weight is sufficiently reduced for the use of stage illumination.
SOLUTION: The LED lighting device is formed by arranging so that an LED base plate 2 having a plurality of LED lamps 20 arranged in an array on a surface and a wiring pattern 23 of the LED lamps 20 arranged on the front and rear face, and control base plates 3 electrically connected to the wiring pattern 23 controlling the LED lamps 20 face each other in a cabinet 1 having an opening 11 with the opening 11 as an irradiation face. Through holes 101 penetrating through the LED base plate 2 are formed so as to be surrounded by the plurality of LED lamps 20.
Inventors:
Tsutomu Yamagishi
Abe Nichiryu
Abe Nichiryu
Application Number:
JP2003338324A
Publication Date:
August 29, 2007
Filing Date:
September 29, 2003
Export Citation:
Assignee:
Matsumura Electric Co., Ltd.
Toshiba Medical Manufacturing Co., Ltd.
Toshiba Medical Manufacturing Co., Ltd.
International Classes:
F21V29/00; F21S2/00; F21S8/04; F21V29/02; H01L33/54; H01L33/56; F21Y101/02; (IPC1-7): F21V29/00; F21S2/00; F21S8/04; H01L33/00; //F21Y101:02
Domestic Patent References:
| JP62214696A | ||||
| JP2001266606A | ||||
| JP2002329893A | ||||
| JP1100175U | ||||
| JP63125303U | ||||
| JP63101987U |
Attorney, Agent or Firm:
Masayoshi Misawa