汽车车灯发展史及发展现状

1、Group Members: Yuan Chen (陈源陈源) Bo Liang (梁波梁波)-Brief History And DevelopmentAutomobile LampAutomobile Lamp1.History of Automobile Lamp2.Two Different Classifications3.New Technology History of Automobile LampHand lampThe ColumbiaIn 1887The Earliest Headlight- a hand lamp.In 1898The first car applie

2、d headlight and tail light-The Columbia(哥伦比亚号)In 1916 Turn signals(转向灯) was born humoro-usly by Thomas C. H .Appl-ied to automobile from 1938 to 1940.In 1905The acetylene(乙炔) lamp was used in car for the first timeHistory of Automobile LampIn 1868First traffic lights(red and green) appeared in Londo

3、n,they are applied extensively in 1914In 1920Three colors traffic lights was invented by William potts(威廉姆波茨)History of Automobile Lamp1917 CadillacA Product of OSRAM(欧司朗)In 1913The helix tungsten filament incande-scent lamp(螺旋钨丝白炽灯) was invented and used to car by Cadillac.In 1920Reversing light(倒车

4、灯) was invented .In 1924Double wire bulb（双灯丝灯泡） was used to change headlamp from distance light and dim head lights.History of Automobile Lamp1922 BuickIn 1920Lamp was fixed inside the car for the first time by GM.History of Automobile LampIn 1988Parabolic Mirror （抛物面反射镜) was used to the headlights,

5、 side lights and tail lights.2003奥迪Pikes Peak quattro概念车车灯HID xenon lampIn 1991 BMW found High Intensity Discharge(HID)(高强度气体放电) principlesIn 1995 HID xenon lamp was first used for Mercedes(梅赛德斯) e-class sedanIn 2005 White Light-Emitting Diode(LEDs) were first used to the AUDI A8L W12 headlamps for

6、the first time.History of Automobile LampIn 2014Sport Laserlight Concept first used laser headlightIn 2011BMW began studying laser headlight（激光大灯）.History of Automobile LampAudi Sport Laserlight ConceptThe Classification According to Applicationa)Toplight(顶灯)b)Reading Lamp(阅读灯)c)Compartment Lights(行

7、李厢灯)d)Door Lamp(门灯)lights outside the car 1.Headlight(大灯)2.Clearance Lamp(示廓灯)3.Foglight(雾灯)4.Stop Lamp(高位刹车灯)5.Reversing Light(倒车灯)6.Steering Lamp(转向灯)lights Inside the car e)Courtesy Lamp(踏步灯)f)Instrument Lamp(仪表板灯)g)Warning Light(报警指示灯)31、65、6dee6c4abf、g2Classification According to Lighting Principle1. 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