The present invention provides novel phenalenone derivatives of formula which are formed by the microorganism Penicillium herquei Bainer & Sartory, DSM 14142, during fermentation. A set of primary light sources with a light source controller is utilized to replace the UHP lamp. A protrusion is formed between each two adjacent diamond holes which locate at the circumference of noble metal base. The costs may comprise capacity, efficiency andor performance information for power usage, bandwidth, memory andor processing.