A lamp unit comprising: a first substrate; a second substrate disposed on the first substrate; and a plurality of light sources disposed on the second substrate, wherein at least two light source arrays are provided, in each of which a plurality of the light sources are disposed in a row, wherein at least a first light source array and a second light source array among the light source arrays are individually driven, Characterized in that: a top surface of the second substrate comprises a first surface, a second surface disposed higher than the first surface, and an inclined surface disposed between the first surface and the second surface, wherein the first light source array is supported by the first surface of the second substrate, wherein the second light source array is supported by the inclined surface of the second substrate, wherein an angle between the first surface of the second substrate and the inclined surface of the second substrate is an obtuse angle, wherein the light sources in the first light source array have a first light emission direction or a first luminous flux, and wherein the light sources in the second light source array have a second light emission direction different from the first emission direction or a second luminous flux different from the first luminous flux. a first substrate; a second substrate disposed on the first substrate; and a plurality of light sources disposed on the second substrate, wherein at least two light source arrays are provided, in each of which a plurality of the light sources are disposed in a row, wherein at least a first light source array and a second light source array among the light source arrays are individually driven, Characterized in that: a top surface of the second substrate comprises a first surface, a second surface disposed higher than the first surface, and an inclined surface disposed between the first surface and the second surface, wherein the first light source array is supported by the first surface of the second substrate, wherein the second light source array is supported by the inclined surface of the second substrate, wherein an angle between the first surface of the second substrate and the inclined surface of the second substrate is an obtuse angle, wherein the light sources in the first light source array have a first light emission direction or a first luminous flux, and wherein the light sources in the second light source array have a second light emission direction different from the first emission direction or a second luminous flux different from the first luminous flux. wherein at least two light source arrays are provided, in each of which a plurality of the light sources are disposed in a row, wherein at least a first light source array and a second light source array among the light source arrays are individually driven, Characterized in that: a top surface of the second substrate comprises a first surface, a second surface disposed higher than the first surface, and an inclined surface disposed between the first surface and the second surface, wherein the first light source array is supported by the first surface of the second substrate, wherein the second light source array is supported by the inclined surface of the second substrate, wherein an angle between the first surface of the second substrate and the inclined surface of the second substrate is an obtuse angle, wherein the light sources in the first light source array have a first light emission direction or a first luminous flux, and wherein the light sources in the second light source array have a second light emission direction different from the first emission direction or a second luminous flux different from the first luminous flux. a top surface of the second substrate comprises a first surface, a second surface disposed higher than the first surface, and an inclined surface disposed between the first surface and the second surface, wherein the first light source array is supported by the first surface of the second substrate, wherein the second light source array is supported by the inclined surface of the second substrate, wherein an angle between the first surface of the second substrate and the inclined surface of the second substrate is an obtuse angle, wherein the light sources in the first light source array have a first light emission direction or a first luminous flux, and wherein the light sources in the second light source array have a second light emission direction different from the first emission direction or a second luminous flux different from the first luminous flux.