Title:
ＬＥＤ照明装置
Document Type and Number:
Japanese Patent JP6578140
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an LED lighting device which secures illuminance which satisfies the standard in a wide range, in power consumption regulated by the standard.SOLUTION: An LED lighting device includes: a device body 5 for accommodating a first light source unit U1 and a second light source unit U2 and a translucent cover 6; and a light source mounting base 3 which has a first flat plate part 30 on which the first light source unit U1 is mounted and a second flat plate part 31 on which the second light source unit U2 is mounted, and which is mounted on the device body 5. The first light source unit U1 and the second light source unit U2 are constituted by including: a plurality of LED elements 1; and a cylindrical reflection body 40 which has an incident side opening 40a of the light and an emission side opening 40b of the light emitted from the LED elements 1. The first flat plate part 30 faces a road surface downward. The second flat plate part 31 is adjacent to the first flat plate part 30, and faces the further lateral side than the first flat plate part 30 by inclining at a predetermined angle with respect to the first flat plate part 30. The cylinder part length D2 of the cylindrical reflection body 40 for constituting the second light source unit U2 is longer than the cylinder part length D1 of the cylindrical reflection body 40 for constituting the first light source unit U1.SELECTED DRAWING: Figure 6
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Inventors:
Jun Sasashima
Yoko Ichimaru
Yoko Ichimaru
Application Number:
JP2015122746A
Publication Date:
September 18, 2019
Filing Date:
June 18, 2015
Export Citation:
Assignee:
Iris Ohyama Co., Ltd.
International Classes:
F21S8/08; F21V7/04; F21V7/06; F21V7/09; F21V15/01; F21V19/00
Domestic Patent References:
| JP2014220260A | ||||
| JP2000507042A | ||||
| JP11195317A | ||||
| JP201389495A | ||||
| JP201123310A |
Attorney, Agent or Firm:
Shirasaka Patent Office