An illumination device, comprising: at least one illuminant for emitting light; and an optical reflection unit, comprising: at least one reflective surface (112, 114); and at least one surface comprising at least one mask, wherein the optical reflection unit is configured to receive the light emitted from the at least one illuminant and project at least one of an image, a symbol, a logo, a pattern, and a legend on a projection surface, characterized in that the optical reflection unit is a single optical component instead of multiple components including a plurality of reflective surfaces (112, 114), wherein at least two reflective surfaces are on opposite sides of the optical reflection unit, wherein • the light emitted from the at least one illuminant is configured to enter the optical reflection unit from a first side of the optical reflection unit, • the light projected to the projection surface is configured to exit the optical reflection unit from a second side of the optical reflection unit, • one of the plurality of reflective surfaces (112, 114) being formed on the first side and another being formed on the second side, and • the at least one surface comprising the at least one mask is formed on the first side. at least one illuminant for emitting light; and an optical reflection unit, comprising: at least one reflective surface (112, 114); and at least one surface comprising at least one mask, wherein the optical reflection unit is configured to receive the light emitted from the at least one illuminant and project at least one of an image, a symbol, a logo, a pattern, and a legend on a projection surface, characterized in that the optical reflection unit is a single optical component instead of multiple components including a plurality of reflective surfaces (112, 114), wherein at least two reflective surfaces are on opposite sides of the optical reflection unit, wherein • the light emitted from the at least one illuminant is configured to enter the optical reflection unit from a first side of the optical reflection unit, • the light projected to the projection surface is configured to exit the optical reflection unit from a second side of the optical reflection unit, • one of the plurality of reflective surfaces (112, 114) being formed on the first side and another being formed on the second side, and • the at least one surface comprising the at least one mask is formed on the first side. at least one reflective surface (112, 114); and at least one surface comprising at least one mask, wherein the optical reflection unit is configured to receive the light emitted from the at least one illuminant and project at least one of an image, a symbol, a logo, a pattern, and a legend on a projection surface, characterized in that the optical reflection unit is a single optical component instead of multiple components including a plurality of reflective surfaces (112, 114), wherein at least two reflective surfaces are on opposite sides of the optical reflection unit, wherein • the light emitted from the at least one illuminant is configured to enter the optical reflection unit from a first side of the optical reflection unit, • the light projected to the projection surface is configured to exit the optical reflection unit from a second side of the optical reflection unit, • one of the plurality of reflective surfaces (112, 114) being formed on the first side and another being formed on the second side, and • the at least one surface comprising the at least one mask is formed on the first side. • the light emitted from the at least one illuminant is configured to enter the optical reflection unit from a first side of the optical reflection unit, • the light projected to the projection surface is configured to exit the optical reflection unit from a second side of the optical reflection unit, • one of the plurality of reflective surfaces (112, 114) being formed on the first side and another being formed on the second side, and • the at least one surface comprising the at least one mask is formed on the first side.