Hi,
I just got a pair of 100 Watt LED bulbs. The area is quite large, so I can't get that narrow throw of light with a reasonable sized reflector.
So I sat down and thinked for a while untill I got an idea from horn loaded speakers. A horns shape is exponential, and that shape I hope will solve my problem.
I want to mold a solid acrylic lens that has the shape of an exponential horn. The LED light input is where the output surface normally are on a speaker horn, and the light output is where the speaker driver usually are.
Attached there is a drawing of the idea. No calculations done, but the illustration shows what I am hoping this special lens will do. IF this work, I would put a reflective sphere or something that can spread the light into a reflector. This way the LED bulb can be efficiently cooled outside the actual reflector housing.
Anyone here been thinking on the same thing? Or even experimented with it?
Br.
Vidar
I just got a pair of 100 Watt LED bulbs. The area is quite large, so I can't get that narrow throw of light with a reasonable sized reflector.
So I sat down and thinked for a while untill I got an idea from horn loaded speakers. A horns shape is exponential, and that shape I hope will solve my problem.
I want to mold a solid acrylic lens that has the shape of an exponential horn. The LED light input is where the output surface normally are on a speaker horn, and the light output is where the speaker driver usually are.
Attached there is a drawing of the idea. No calculations done, but the illustration shows what I am hoping this special lens will do. IF this work, I would put a reflective sphere or something that can spread the light into a reflector. This way the LED bulb can be efficiently cooled outside the actual reflector housing.
Anyone here been thinking on the same thing? Or even experimented with it?
Br.
Vidar