A phosphor device (1) comprising a carrier member (2) having upper and lower faces; a phosphor layer (3) being arranged at the upper face of the carrier member (2), whereby the phosphor layer (3) comprises at least one phosphor zone (R; G; Y); a reflective zone (33) being arranged adjacent to the at least one phosphor zone (R; G; Y); an optical transmitting member (4) having a first end face (7) and a second end face (9), the optical transmitting member (4) being arranged at the top portion of the phosphor layer (3) and the reflective zone (33), whereby wherein the first end face (7) of the optical transmitting member (4) covers at least a subarea (8) of each of the at least one phosphor zone (R; G; Y) and the reflective zone (33).