Dick Hollenbeck on Mon, 10 Jun 2013 15:37:43 wrote: > > Do SMT LEDS light on their backside? If show, could a > person not use a normal SMT LED for this and simply put > a NPTH in the middle of the two pads? > > Thanks, > > Dick >
If you look "a bit closer" to the LED chip, you will see a metal (usually copper) substrate which refuse to emitting light in that way. Adding with a ceramic base of each SMT LED this makes a solid barrier for a light, even for a reflected light.
So, the answer is: No. http://www.semileds.com/system/files/SemiLEDs_EV_chip_e-catalogue.pdf Regards Kerusey Karyu _______________________________________________ Mailing list: https://launchpad.net/~kicad-developers Post to : [email protected] Unsubscribe : https://launchpad.net/~kicad-developers More help : https://help.launchpad.net/ListHelp
