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Application filed by Hon Hai Prec Ind Co LtdfiledCriticalHon Hai Prec Ind Co Ltd
Priority to TW93122891ApriorityCriticalpatent/TWI362674B/en
Publication of TW200605126ApublicationCriticalpatent/TW200605126A/en
Application grantedgrantedCritical
Publication of TWI362674BpublicationCriticalpatent/TWI362674B/en
A light source device includes a cathode and an opposite anode. The cathode has a number of conductive carriers and a number of emitters formed thereon. The anode has a number of grooves.