210028)ElectricLightSourceTechnologyDevelopmentTrendWUYong-qiangYangGuodongHuadongOptoelectronicsScience&TechnologyCO.LTDNanjing210028ChinaAbstractInthispaper,thecurrentstatusofthedevelopmentofelectriclightsourcesub-fold,andthedevelopmenttrendandapplicationofelectriclightsourceprospect.KeywordsElectrodelessFluorescentLampsCeramicMetalHalideLampexcimerlightsource(ELS)Utra-highpressuremercuryLamp(UHP)MicrowaveSulfurLampLEDsolidlightsourceOBVBB8910131...200942...20063..2009.4.OLED..2007015...20044