Indeed, the materials from which LED Modules are made have a relatively high refractive index and a large part of the light emitted would be reflected by total reflection back at the planar interface with the air.http://www.shine-opto.com/module/
Indeed, the materials from which LED Modules are made have a relatively high refractive index and a large part of the light emitted would be reflected by total reflection back at the planar interface with the air.http://www.shine-opto.com/module/
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