Patent ID: 7782347

Claim:
An improved light source for providing an illumination beam along an illumination axis, comprising: (a) a plurality of large area LEDs, mounted on a base, for generating emitted light; (b) a collector structure for collecting said emitted light from said plurality of large area LEDs to form the illumination beam, the collector structure comprising: for each LED, a light guide for collecting, at an input, said emitted light received from said LED and directing said emitted light to an output, along said illumination axis, said light guide comprising: (i) a collimating element near said input for collimating a portion of said emitted light to direct collimated light in the direction of said illumination axis; (ii) a guide element for directing some of the other said emitted light at said input to said output and along said illumination axis; and wherein, said output of at least a first said light guide has at least one flat edge for butting against said output of at least a second said light guide.