The invention provides a
solid state
light source device, automotive lighting using same,
image display device, and drive method for the
solid state
light source device. The
solid state
light source device is provided with: N sets of
solid state light source assemblies (N is an integer equal to or greater than 2) comprising a plurality of
solid state light source cells arranged into
matrix form; a multi-lens block having N inlet surfaces facing the N sets of
solid state light source assemblies for letting in through a matrix of multi-lens cells the light emitted from each solid state light source
cell and one
exit surface for combining and sending out through the matrix of multi-lens cells the light entering from the N inlet surfaces; and a
dichroic filter, which is selectively reflective or transmissive depending on the
wavelength of the incident light, disposed inside the multi-lens block so as to be tilted with respect to each inlet surface. The proportion of
electric power supplied to each solid state light source
cell is controlled in order to control the light distribution characteristics and
color temperature of the light emitted from the
exit surface of the multi-lens block towards a light receiving part.