Display device, comprising: - an array of light emitting elements (16, 16') for emitting light, and - a plurality of optical elements (18, 18') for receiving light from the array of light emitting elements (16, 16'), wherein the plurality of optical elements (18, 18') comprise at least one first plurality of optical elements and at least one second plurality of optical elements, and wherein each optical element (18, 18') of the at least one first plurality of optical elements and the at least one second plurality of optical elements is associated with at least one light emitting element (16, 16') and configured to receive light from the at least one associated light emitting element (16, 16') and to form from the light received from the at least one associated light emitting element (16, 16') at least one collimated light beam, wherein the at least one first plurality of optical elements is arranged in a first layer, the at least one second plurality of optical elements is arranged in a second layer and each light emitting element (16, 16') associated with any of the at least one first and second plurality of optical elements (18, 18') is arranged in a third layer (19, 19'), wherein the second layer is arranged between the first layer and the third layer (19, 19'), characterized in that a focal length (fL) of the at least one first plurality of optical elements is larger than a focal length (fL') of the at least one second plurality of optical elements, a focal plane of the at least one first plurality of optical elements and a focal plane of the at least one second plurality of optical elements are arranged in a common focal plane (19, 19'), and each light emitting element (16, 16') associated with any of the at least one first and second plurality of optical elements (18, 18') is arranged in the common focal plane (19, 19'). - an array of light emitting elements (16, 16') for emitting light, and - a plurality of optical elements (18, 18') for receiving light from the array of light emitting elements (16, 16'), wherein the plurality of optical elements (18, 18') comprise at least one first plurality of optical elements and at least one second plurality of optical elements, and wherein each optical element (18, 18') of the at least one first plurality of optical elements and the at least one second plurality of optical elements is associated with at least one light emitting element (16, 16') and configured to receive light from the at least one associated light emitting element (16, 16') and to form from the light received from the at least one associated light emitting element (16, 16') at least one collimated light beam, wherein the at least one first plurality of optical elements is arranged in a first layer, the at least one second plurality of optical elements is arranged in a second layer and each light emitting element (16, 16') associated with any of the at least one first and second plurality of optical elements (18, 18') is arranged in a third layer (19, 19'), wherein the second layer is arranged between the first layer and the third layer (19, 19'), characterized in that a focal length (fL) of the at least one first plurality of optical elements is larger than a focal length (fL') of the at least one second plurality of optical elements, a focal plane of the at least one first plurality of optical elements and a focal plane of the at least one second plurality of optical elements are arranged in a common focal plane (19, 19'), and each light emitting element (16, 16') associated with any of the at least one first and second plurality of optical elements (18, 18') is arranged in the common focal plane (19, 19').