Combined lenslightpipe truopto lpc120ctp 312mm combined lenslightpipe in a clear colour panel mounted and suitable for pbc mounted or surface mount leds the lens end has fresnel rings which increase the viewing angle and the other end is concave to collect light the device also provides a method of transmitting the light of a surface mount led to a display panel it can also blend multicolour led light into a single colour truopto lpc120ctp 312mm combined lenslightpipe