Patent ID: 7652300

Claim:
An apparatus for forming an asymmetric beam pattern for illumination generated by one or more light-emitting elements, the illumination being generated substantially in an emitting direction, said apparatus comprising: a first optical element optically connected with each of the one or more light-emitting elements generating illumination substantially in the emitting direction, said first optical element manipulating the illumination in a first direction, the first direction being in a plane normal to a center axis of the emitting direction; a second optical element optically connected with one or more predetermined light-emitting elements selected from the one or more light-emitting elements, said second optical element manipulating the illumination created by the one or more predetermined light-emitting elements in a second direction, the second direction being in the plane normal to the center axis of the emitting direction and different from the first direction, the second optical element increasing beam spread in the second direction; thereby forming an illumination beam pattern that is radially asymmetric about the center axis of the emitting direction.