Patent ID: 8494337

Claim:
Optoelectronic component having: a radiation source; and a light guide with an uneven light input face and a light output face wherein the total length of the light guide is given by the distance between the light input face and the light output face, a large part of the electromagnetic radiation emitted by the radiation source being refracted as it enters the light guide and a large part of the electromagnetic radiation coupled into the light guide through the light input face leaves the light guide through the light output face, wherein the light input face of the light guide completely encloses the radiation source, the light guide has a first portion and a second portion, wherein a length of the first portion of the light guide is given by the distance between the light input face and an end face of the first portion of the light guide, said end face being arranged opposite to the light input face between the light input face and the light output face, wherein the length of the first portion is at most 20% of the total length (L) of the light guide, the first portion and the second portion of the light guide are in the form of a frustum of a pyramid or a frustum of a cone, the light guide is a solid body, the light input face is configured as a recess in the solid body, a gap is arranged between the radiation source and the light input face which is filled with air, and the radiation source is given by one of the following optoelectronic devices: light-emitting diode, light-emitting diode chip, VCSEL.