A car lamp, comprising: a light source unit provided with a plurality of semiconductor light emitting devices, and having a planar shape, including a plurality of light emitting regions for emitting light and a non-light emitting region formed along an edge of the plurality of light emitting regions; and a filter unit located to overlap the plurality of light emitting regions so as to transmit only light of a predetermined wavelength band therethrough; wherein the plurality of light emitting regions of the light source unit is configured such that at least one of the plurality of regions selectively emits light, and wherein the non-light emitting region which does not emit light is formed along the edge of each of the plurality of light emitting regions, characterised in that each of the plurality of light emitting regions is, at the edge thereof, provided with a light shielding unit for preventing light leakage, and the filter unit comprises: a first filter portion overlapping one of the plurality of light emitting regions to transmit only light of a predetermined wavelength band therethrough; and a second filter portion overlapping another one of the plurality of light emitting regions different from the said one to transmit only light of a wavelength band different from the said predetermined wavelength band, and wherein the first and second filter portions are located on the same plane, and wherein the light shielding unit is stacked on the first and second filter portions, wherein the light shielding unit is located to overlap parts of the first and second filter portions, or characterized in that each of the plurality of light emitting regions is, at the edge thereof, provided with a light shielding unit (122, 122') for preventing light leakage, and the filter unit comprises: a first filter portion overlapping one of the plurality of light emitting regions to transmit only light of a predetermined wavelength band therethrough; and a second filter portion (121b, 121c, 121d) overlapping another one of the plurality of light emitting regions different from the said one to transmit only light of a wavelength band different from the said predetermined wavelength band, and wherein the first and second filter portions (121a, 121b, 121c, 121d) and the light shielding unit (122, 122') are located on the same plane, and wherein a width of the light-shielding unit becomes wider toward the light source unit. a light source unit provided with a plurality of semiconductor light emitting devices, and having a planar shape, including a plurality of light emitting regions for emitting light and a non-light emitting region formed along an edge of the plurality of light emitting regions; and a filter unit located to overlap the plurality of light emitting regions so as to transmit only light of a predetermined wavelength band therethrough; wherein the plurality of light emitting regions of the light source unit is configured such that at least one of the plurality of regions selectively emits light, and wherein the non-light emitting region which does not emit light is formed along the edge of each of the plurality of light emitting regions, characterised in that each of the plurality of light emitting regions is, at the edge thereof, provided with a light shielding unit for preventing light leakage, and the filter unit comprises: a first filter portion overlapping one of the plurality of light emitting regions to transmit only light of a predetermined wavelength band therethrough; and a second filter portion overlapping another one of the plurality of light emitting regions different from the said one to transmit only light of a wavelength band different from the said predetermined wavelength band, and wherein the first and second filter portions are located on the same plane, and wherein the light shielding unit is stacked on the first and second filter portions, wherein the light shielding unit is located to overlap parts of the first and second filter portions, or characterized in that each of the plurality of light emitting regions is, at the edge thereof, provided with a light shielding unit (122, 122') for preventing light leakage, and the filter unit comprises: a first filter portion overlapping one of the plurality of light emitting regions to transmit only light of a predetermined wavelength band therethrough; and a second filter portion (121b, 121c, 121d) overlapping another one of the plurality of light emitting regions different from the said one to transmit only light of a wavelength band different from the said predetermined wavelength band, and wherein the first and second filter portions (121a, 121b, 121c, 121d) and the light shielding unit (122, 122') are located on the same plane, and wherein a width of the light-shielding unit becomes wider toward the light source unit.