To provide an LED lighting device that can suppress glaring and is high in versatility and usable even as a lighting device for an industrial field.
One or more LED light sources 5 are arranged held inside a reflector 4 with an opening 6 while leaving a space with the reflector 4, and heat from the LED light sources 5 is conducted by heat radiation means 15 to a heat radiation part 11 outside the reflector and then radiated. Some quantity of the light from the LED light sources 5 irradiates a reflecting surface 7 formed on an inner wall surface of the reflector 4 to be reflected by the reflecting surface 7 and emitted from the opening 6 of the reflector 4, the reflecting surface 7 being formed into a plane such that the quantity of light of a diffuse reflected component reflected by the reflecting surface 7 is equal to or larger than the quantity of light of a mirror-surface reflected component. A light diffusion member 8 which diffuses and transmits light is provided on a light path of at least part of light traveling toward the opening 6 of the reflector 4.
| JP5957765 | A light and a source unit of a fill-in flash |
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| JP7408777 | lighting equipment |
SAKAMOTO TOSHIKI
NAKAMURA YOSHIO
KABUMOTO AKIRA
KOKUBO YOSUKE
FURUKAWA ELECTRIC CO LTD
| JP2010212055A | 2010-09-24 | |||
| JP2010108918A | 2010-05-13 | |||
| JP2009086577A | 2009-04-23 | |||
| JP2009301738A | 2009-12-24 | |||
| JP2011517029A | 2011-05-26 |
| US20080049422A1 | 2008-02-28 | |||
| WO2009157370A1 | 2009-12-30 | |||
| WO2006090834A1 | 2006-08-31 |