Group Members: Yuan Chen (陈源陈源) Bo Liang (梁波梁波)-BriefHistoryAndDevelopmentAutomobileLampAutomobileLamp1.HistoryofAutomobileLamp2.TwoDifferentClassifications3.NewTechnologyHistoryofAutomobileLampHandlampTheColumbiaIn1887TheEarliestHeadlight-ahandlamp.In1898Thefirstcarappliedheadlightandtaillight-TheColumbia(哥伦比亚号)In1916Turnsignals(转向灯)wasbornhumoro-uslybyThomasC.H.Appl-iedtoautomobilefrom1938to1940.In1905Theacetylene(乙炔)lampwasusedincarforthefirsttimeHistoryofAutomobileLampIn 1868Firsttrafficlights(redandgreen)appearedinLondon,theyareappliedextensivelyin1914In 1920ThreecolorstrafficlightswasinventedbyWilliampotts(威廉姆波茨)HistoryofAutomobileLamp1917 CadillacAProductofOSRAM(欧司朗)In 1913Thehelixtungstenfilamentincande-scentlamp(螺旋钨丝白炽灯)wasinventedandusedtocarbyCadillac.In 1920Reversinglight(倒车灯)wasinvented.In 1924Doublewirebulb（双灯丝灯泡）wasusedtochangeheadlampfromdistancelightanddimheadlights.HistoryofAutomobileLamp1922BuickIn 1920LampwasfixedinsidethecarforthefirsttimebyGM.HistoryofAutomobileLampIn 1988ParabolicMirror（抛物面反射镜)wasusedtotheheadlights,sidelightsandtaillights.2003奥迪Pikes Peak quattro概念车车灯HIDxenonlampIn1991BMWfoundHighIntensityDischarge(HID)(高强度气体放电)principlesIn1995HIDxenonlampwasfirstusedforMercedes(梅赛德斯)e-classsedanIn2005WhiteLight-EmittingDiode(LEDs)werefirstusedtotheAUDIA8LW12headlampsforthefirsttime.HistoryofAutomobileLampIn2014SportLaserlightConceptfirstusedlaserheadlightIn2011BMWbeganstudyinglaserheadlight（激光大灯）.HistoryofAutomobileLampAudiSportLaserlightConceptTheClassificationAccordingtoApplicationa)Toplight(顶灯)b)ReadingLamp(阅读灯)c)CompartmentLights(行李厢灯)d)DoorLamp(门灯)lights outside the car 1.Headlight(大灯)2.ClearanceLamp(示廓灯)3.Foglight(雾灯)4.StopLamp(高位刹车灯)5.ReversingLight(倒车灯)6.SteeringLamp(转向灯)lights Inside the car e)CourtesyLamp(踏步灯)f)InstrumentLamp(仪表板灯)g)WarningLight(报警指示灯)31、65、6dee6c4abf、g2ClassificationAccordingtoLightingPrinciple1.Invandescent Light Bulb(白炽灯泡白炽灯泡)2.Halogen Lamp(卤素灯卤素灯)3.Gas Discharge Lamp(气体放电灯气体放电灯)4.LED Lamp(LED灯灯)IntelligentRearLights(智能尾灯)NewTechnologyNewTechnologyAutomaticSteeringHeadlight(自动随动转向大灯)Thank you