Signal light device for a motor vehicle headlamp, which signal light device comprises the following - at least one light module, comprising at least one light source for emitting light beams and at least one scattering device, which is set up to diffusely scatter the light beams of the at least one light source essentially in the direction of a main emission direction, - at least one transparent light refraction body, which light refraction body has a light inlet section for coupling in the light beams diffusely scattered by the light module and a light outlet section for coupling out the light beams coupled into the light refraction body, and wherein the light refraction body in combination with the at least one light module is set up to generate a signal light distribution, wherein the at least one light refraction body comprises a reflection section which is set up to totally reflect light beams coupled into the light refraction body, wherein the light refraction body is spatially delimited by the envelope formed by the surfaces of the light entry section, the light exit section and the reflection section, wherein the light entry section is designed as a planar light entry surface which is arranged essentially orthogonally to the main emission direction, the light exit section being formed from a plurality of differently oriented, planar exit surfaces which in their entirety essentially follow a convex basic shape, so that light beams diffusely coupled into the light refraction body couple out via the plurality of exit surfaces as a diffuse signal light distribution, the light module having at least one collimator which is connected downstream of the at least one light source and is set up so that the light beams of the at least one light source are parallel to one another, characterized in that the light module has at least one collimator, which is connected downstream of the at least one light source and is set up to align the light beams of the at least one light source parallel to one another, wherein the scattering device comprises a plurality of differently oriented, planar exit surfaces for coupling out the light beams coupled into the optical body via the at least one collimator essentially in the direction of the main emission direction. - at least one light module, comprising at least one light source for emitting light beams and at least one scattering device, which is set up to diffusely scatter the light beams of the at least one light source essentially in the direction of a main emission direction, - at least one transparent light refraction body, which light refraction body has a light inlet section for coupling in the light beams diffusely scattered by the light module and a light outlet section for coupling out the light beams coupled into the light refraction body, and wherein the light refraction body in combination with the at least one light module is set up to generate a signal light distribution, the at least one light refraction body comprises a reflection section which is set up to totally reflect light beams coupled into the light refraction body, wherein the light refraction body is spatially delimited by the envelope formed by the surfaces of the light entry section, the light exit section and the reflection section, wherein the light entry section is designed as a planar light entry surface which is arranged essentially orthogonally to the main emission direction, the light exit section being formed from a plurality of differently oriented, planar exit surfaces which in their entirety essentially follow a convex basic shape, so that light beams diffusely coupled into the light refraction body couple out via the plurality of exit surfaces as a diffuse signal light distribution, the light module having at least one collimator which is connected downstream of the at least one light source and is set up so that the light beams of the at least one light source are parallel to one another, characterized in that the light module has at least one collimator, which is connected downstream of the at least one light source and is set up to align the light beams of the at least one light source parallel to one another, wherein the scattering device comprises a plurality of differently oriented, planar exit surfaces for coupling out the light beams coupled into the optical body via the at least one collimator essentially in the direction of the main emission direction.