1、四川师范大学成都学院毕业论文题目学生学号专业班级系院名称指导教师20年月日3TABLEOFCONTENTSIINTRODUCTION3TWO,HIDHEADLAMPS3THIRD,THEINFRAREDHEADLIGHTFOUR,LEDCARLIGHTSFIVE,INTELLIGENTAUTOMOTIVELIGHTINGSYSTEMSSIXTH,PROGRESSSHANGHAIKOITOELECTRONICTECHNOLOGYSEVENREFERENCESONTHEAPPLICATIONOFELECTRONICTECHNOLOGYINAUTOMOTIVELIGHTINGSYSTEMSABSTR
2、ACTAUTOMOTIVELIGHTINGDEVICESAREIMPORTANTSAFETYFEATURESOFTHECARINORDERTOIMPROVETHESAFETYANDCOMFORTOFDRIVING,MANYNEWCARLIGHTSAREBEINGDEVELOPEDTHISPAPERINTRODUCESTHEHIDHEADLAMPS,INFRAREDHEADLAMPS,LEDAUTOMOTIVELIGHTSANDINTELLIGENTAUTOMOTIVELIGHTINGSYSTEMS,ANDDESCRIBESTHEAPPLICATIONOFADVANCEDAUTOMOTIVELA
3、MPSINTHESENEWELECTRONICTECHNOLOGYKEYWORDSAUTOMOTIVELIGHTING,HIDHEADLAMPS,INFRAREDHEADLAMP,LIGHTEMITTINGDIODES,ADAPTIVEHEADLAMPSYSTEMIINTRODUCTIONWITHTHERAPIDDEVELOPMENTOFCHINASECONOMYANDPEOPLESLIVINGSTANDARDSIMPROVE,CHINASAUTOMOBILEINDUSTRYHASENTEREDAPERIODOFRAPIDGROWTHNOTONLYPRODUCTIONCARINTHEEXPON
4、ENTIALLYGROWINGTECHCARISALSOINCREASINGHYUNDAIMOTORMANUFACTURINGTECHNOLOGYANDELECTRONICS,ITCLOSERTOGETHERCARISNOLONGERASIMPLEMEANSOFTRANSPORT,ITHASBECOMETHECARRIEROFMODERNTECHNOLOGYSAFETYLIGHTINGDEVICEISAVERYIMPORTANTPARTINTHECARECONOMICCOMMISSIONFOREUROPEONTHECARECEREGULATIONSHAVE113,ANDONEWITHTHECA
5、RLIGHTSTHEREARE37RELATEDREGULATIONSASMUCHASONETHIRDOFTHETOTALNUMBEROFREGULATIONSTHISSHOWSTHEIMPORTANCEOFAUTOMOTIVELIGHTINGDEVICESINADDITION,CARLIGHTSORCARSTYLINGCRUCIALPARTTHUS,THEWORLDOFAUTOMOTIVELIGHTINGRESEARCHANDDEVELOPMENTVERYSERIOUSLYTWO,HIDHEADLAMPSNOW,THEGENERALUSEOFCARHEADLIGHTSAREHALOGENLI
6、GHTSOURCEAUTOMOTIVEHIDHEADLAMPISTHEUSEOFHIGHINTENSITYDISCHARGEHIGHINTENSITYDISCHARGEHIDLIGHTSOURCESPECIFICALLY,INTHEVEHICLEHEADLAMP35WATTSISAPPLIEDLOWPOWERMETALHALIDELAMPINTHEAUTOMOTIVEHEADLAMPUSINGBRIGHTERTHANHALOGENLIGHT,LONGERLIFEHIDLIGHTSOURCE,THEREAREREASONSFORTHEFOLLOWINGASPECTS31,SAVINGTHENEE
7、DWITHTHEDEVELOPMENTOFAUTOMOTIVEELECTRONICS,AUTOMOBILEELECTRICALCOMPONENTSINCREASE,ITISNECESSARYTOREDUCETHEPOWERCONSUMPTIONOFINDIVIDUALDEVICES,WHILETHEHEADLIGHTISPOWERINTENSIVEMEANS2,FORSAFETYANDECONOMY,HOPETOHAVEALONGERLIFEWITHTHEFORMATIONOFTHEHIGHSPEEDROADNETWORK,LONGDISTANCETRAVELATNIGHTTOINCREASE
8、OPPORTUNITIES,INCREASETHEFREQUENCYOFUSEHEADLIGHTS,ANDTHUSTHELIFEOFTHELIGHTSOURCEREQUIREMENTSAREFOLLOWEDINCREASEOBVIOUSLY,THELONGERTHELIFEOFTHELIGHTSOURCE,THEHIGHERTHESAFETYOFTHEVEHICLEINADDITION,IFLONGLIFELIGHTSOURCESCANBECOMPAREDTOTHELIFEOFTHEVEHICLEINTENDED,THATISTHELIFEOFTHECARWITHOUTHAVINGTOREPL
9、ACETHELIGHTSOURCE,ELIMINATINGTHENEEDFORMAINTENANCECOSTSINTHISAREA,ITISMOREECONOMICAL3,THEDRIVERANDINCREASETHESPEEDOFAGING,HOPINGTHELIGHTSHAVEAHIGHERBRIGHTNESSWITHTHEIMPROVEMENTOFHEALTH,THEDRIVERHASANAGINGTRENDRECENTLYOURCOUNTRYHASBEENADRIVERINAGEFROM60YEARSTOEXTENDTO70YEARSCOMPAREDWITHTHEYOUNG,THEEL
10、DERLYDECREASEDVISIONLOTTOCOMPENSATEFORVISIONLOSSINELDERLYANDUNRESPONSIVEANDOTHERDEFECTS,THENEEDTOIMPROVETHELEVELOFILLUMINATIONLIGHTSINADDITION,THEINCREASEINTRAVELSPEEDONTHEHIGHWAYISALSOREQUIREDTOPROVIDEBETTERILLUMINATIONLIGHTSTOIMPROVETRAFFICSAFETY4,STREAMLINEDBODYTOADAPTTOTHENEEDSINORDERTOIMPROVETH
11、EAERODYNAMICCHARACTERISTICSOFTHECAR,STREAMLINEDBODYDESIGNWHICHLEDHEADLAMPHEADLAMPLENSSIZEREDUCTIONANDINCREASEDSURFACEINCLINATIONTOCOMPENSATEFORDECREASEDQUANTITYOFLIGHTDUETOTHESECAUSES,ITISNECESSARYTOUSEABRIGHTERLIGHTSOURCEITISMORETHANSEVERALREASONS,CONTRIBUTEDTOTHEDEVELOPMENTOFHIDCARHEADLAMPS1984,FI
12、RSTPROPOSEDTHEIDEATOPHILIPSHIDLIGHTSOURCEFORAUTOMOTIVEHEADLAMPS,ANDLATERTHECOMPANIESWOULDHAVESTARTEDRESEARCHANDDEVELOPMENTINTHISAREAINORDERTOACCELERATETHEDEVELOPMENTOFAUTOMOTIVEHIDHEADLAMPS,1988,INCLUDINGPHILIPS,OSRAM,BOSCHANDHELLA,INCLUDINGSEVENMAJOREUROPEANSOURCE,LIGHTSANDAUTOMOBILEPLANTJOINT,THEJ
13、OINTIMPLEMENTATIONOFTHEEUROPEANRESEARCHPROJECTEUREKA273,TO4CARRYOUTCARDISCHARGEVEDILISLIGHTINGSYSTEMSRESEARCHANDDEVELOPMENT1990,HIDCARHEADLIGHTSWERE150,000KMOFTHREEMONTHREALVEHICLETEST1996FORMALLYAPPROVEDTHETWOECEREGULATIONS,NAMELYECENO98GASDISCHARGEHEADLAMPSANDECENO99GASDISCHARGELIGHTSOURCEFIRST,HI
14、DLIGHTSOURCEPOWERISSMALL,ENERGYSAVINGEFFECTISREMARKABLESECOND,STRONGERLIGHTHIDLIGHTSOURCE,ANDTHUSBETTERLIGHTINGEFFECTSFURTHERMORE,HIDLIGHTSOURCECOLORTEMPERATUREISHIGHERTHANTHEHALOGENLIGHTSOURCE,LIGHTCOLORWHITER,WHICHISTOIMPROVETRAFFICOFFICERSTHEVISIBILITYATNIGHTHAVEAPOSITIVEEFFECTADDITIONALLY,HIDLIG
15、HTSOURCEANDAVALUABLEADVANTAGEWHENTHEPOWERSUPPLYVOLTAGECHANGES,THELIGHTOUTPUTOFHIDLAMPSISALMOSTCONSTANTTHELIGHTOUTPUTOFHALOGENLIGHTSOURCETOBEASIGNIFICANTCHANGEINVOLTAGEOVERINTHEPAST,THEGENERALGASDISCHARGELIGHTSOURCESFORLIGHTINGSUCHASFLUORESCENTLAMPS,HIGHPRESSURESODIUM,METALHALIDELAMPS,ETCAREBASEDONEL
16、ECTROMAGNETICBALLAST,ANDNOWINORDERTOIMPROVETHEPERFORMANCEOFENERGYSAVINGLIGHTSOURCES,ELECTRONICBALLASTSAREGRADUALLYTHEHIDLIGHTSOURCEFORGENERALLIGHTINGAFTERTHESTART,ANDCANNOTACHIEVESTABLELIGHTOUTPUTIMMEDIATELYFROMSTARTTOBRIGHTENOUGHTOTAKEAFEWMINUTESTHISPERIODISCALLEDTHETEMPERATURERISETIMEHOWEVER,CARHE
17、ADLIGHTSHIDLIGHT,TEMPERATURETIMESHOULDBEASSHORTASPOSSIBLEINAVERYSHORTLIGHTAFTERSTARTTIMESHOULDBEBRIGHTENOUGHTOLIGHTNOW,THECARSWITHVERYFASTSPEEDTO180KM/H,FOREXAMPLE,BYASECONDDISTANCE50METERSIFTHEHEADLAMPDELAYAFTERTHELIGHTSTURNEDUP,THECONSEQUENCESAREUNIMAGINABLETHEREFORE,WEMUSTADOPTASPECIALLYDESIGNEDE
18、LECTRONICBALLASTSCARHEADLIGHTHIDLIGHTSOURCEDRIVINGMETHODOFELECTRONICBALLASTSINGENERAL,THEREARETHREESINEWAVELIGHTING,DCLIGHTINGANDSQUAREWAVELIGHTINGNOW,THESQUAREWAVELIGHTINGMODEISMAINSTREAM12VOLTDCPOWERSUPPLYSUCHASBATTERIESINPUTFILTERAFTERTHEBOOSTFROMTHEDC/DCCONVERTERTO85VOLTSDC,ANDTHENBYTHEFULLBRIDG
19、EINVERTERDCINTOASQUAREWAVEISAPPLIEDTOTHEHIDLIGHTSOURCES,BYTHESUPERPOSITIONHIGHVOLTAGEPULSEGENERATEDBYTHESTARTER,CANMAKELIGHTSTARTSELECTRICALCONTROLISUSEDTOCONTROLTHEDRIVETOWORKANDFAILSAFEPROTECTIONTOENSURETHESTABILITYOFTHEHID5LIGHTSOURCECANACHIEVEINAVERYSHORTTIME,ONELIGHTWASFILLEDWITHXENONHIGHPRESSU
20、REONTHEOTHERHAND,INTHECIRCUITDESIGN,WILLFULLYCAUSINGCURRENT26AMPSAFTERSTARTINGTHELIGHTSOURCEISMUCHLARGERTHANITSNORMALOPERATINGCURRENT041AMPS,ANDACCORDINGLYSTARTPOWER75WATTSTHANITSNORMALVALUEALSO35WATTSISGREATTHESEMEASURESCANMAKETHEFILLINGINSIDESOURCEOFMERCURYANDMETALHALIDERAPIDLYVAPORIZED,ALLOWINGLI
21、GHTTOQUICKLYLIGHTUPINORDERTOMATCHTHEHUEOFHIDLIGHTSOURCES,OFTENUSINGTUNGSTENHALOGENLIGHTSOURCEWITHABLUECOATINGHIDAUTOMOTIVEHEADLAMPEITHEREMPLOYINGAREFLECTIVESTRUCTURE,THEPROJECTIONTYPESTRUCTUREMAYBEEMPLOYEDTHEFORMERSTRUCTURE,THEUSEOFPARABOLICMIRRORS,MIRRORSANDOTHERFREEFORMSURFACE1999APPEAREDBIFOCALTY
22、PECARHIDHEADLIGHTSBIXENONUSINGANHIDLIGHTSOURCE,WHICHCANPRODUCEBOTHHIGHBEAMHEADLIGHTSCANALSOGENERATETHELOWBEAMTHEREFORE,ASLONGASACARMOUNTEDTWOHEADLIGHTSONITTHISNOTONLYREDUCESTHESPACEOCCUPIEDBYTHELIGHTS,BUTALSOSAVEENERGYANDCOSTS,ISCONDUCIVETOTHEDEVELOPMENTOFECONOMYCARSTHIRD,INFRAREDHEADLAMPSONEREASONF
23、ORTHEHIGHERRATEOFACCIDENTSATNIGHTISBECAUSEUNDERORDINARYHEADLAMPLIGHTINGDEPENDINGONTHEDISTANCETOSEETHEDRIVERSLIMITEDUSINGHIGHBEAM,THEDISTANCECANBELARGER,BUTITWILLCAUSEGLARETOTHECARDRIVERMADEBASEDONTHEPRINCIPLEOFACTIVEINFRAREDNIGHTVISION,BUTMAYINCREASEDEPENDINGONTHEHEADLIGHTSTOSEETHEDISTANCE,ANDDONOTK
24、EEPTHEGLAREPROBLEMSOTHEDRIVERCANBECLEARLYOBSERVEDINTHEROADAHEADOFTHEVEHICLECONDITIONFORMANYMATERIALS,THEIRNEARINFRAREDANDVISIBLELIGHTREFLECTANCEPERFORMANCEISABOUTTHESAME,BECAUSETHESPECTRALRANGEOFTHETWOCLOSERITWASFOUNDTHATFORSOMEMATERIALS,INFRAREDIMAGEEVENCLEARERTHANVISIBLEIMAGESFOREXAMPLE,ABLACKDRES
25、SNEARINFRAREDREFLECTANCEHIGHER,SOITSIMAGEMORECLEARLYTHISINFRAREDHEADLAMPHALOGENLIGHTSOURCECANBEUSED,THEGASDISCHARGELIGHTSOURCEORTOINTRODUCETHEFOLLOWINGASANINFRAREDLEDEMISSIONSOURCELAMPSPROJECTIONSTRUCTUREMAYBEEMPLOYED,BUTITISMADEFORPRODUCINGTHELOWBEAMPATTERNOFTHETEMPLATEISNOTOPAQUETOINFRAREDRAYSBYEN
26、ERGYVISIBLELIGHTTRANSPARENTMATERIALTHUS,THISBEAMHEADLAMPSCAN6SIMULTANEOUSLYGENERATENEARINFRAREDLIGHTANDVISIBLELIGHTOBVIOUSLY,THEADDITIONALINFORMATIONPROVIDEDBYTHEINFRAREDNIGHTVISIONSYSTEM,TOIMPROVETRAFFICSAFETYATNIGHTWILLBEVERYHELPFULFOUR,LEDCARLIGHTSALIGHTEMITTINGDIODELEDISASEMICONDUCTORLIGHTSOURCE
27、,ITCANPRODUCEVERYHIGHSPECTRALPURITYMONOCHROMATICLIGHTTHEEARLIESTITISUSEDASANINDICATIONOFSOURCEINSTRUMENTATIONLATER,WITHTHEHIGHBRIGHTNESSLEDMATERIALGAINNANDGAALINPINVENTIONS,LEDLIGHTEFFICIENCYANDSINGLELEDPOWERHASBEENGREATLYIMPROVEDNOW,BYTWOCOLORORMULTICOLORLIGHTPHOSPHORTECHNOLOGYANDAMETHODOFMIXINGAND
28、WASPREPAREDASAWHITELEDTHUS,LEDGRADUALLYOPTICALSIGNAL,DISPLAYANDLIGHTINGTECHNOLOGIESWIDELYUSEDCOMPAREDWITHOTHERLIGHTSOURCES,LEDHASMANYOUTSTANDINGADVANTAGESFIRST,LEDSLIFEISVERYLONG,ITWASREPORTEDTHAT100,000HOURSLEDANDISVERYSOLID,SOTHEUSEOFLEDASALIGHTSOURCE,VIRTUALLYMAINTENANCEFREESECONDLY,LEDCOLORRICH,
29、BOTHWHITELEDALSOMADEAVARIETYOFMONOCHROMATICLED,ANDSATURATIONOFCOLOR,SHADEWHERENEEDED,ELIMINATINGTHENEEDTOUSEFILTERSTOFILTERFURTHERMORE,LEDITSELFISCONTROLLEDOPTICALCOMPONENTSSUCHASMIRRORSANDLENSES,MORESOLIGHTUSEEFFICIENCYGREATLYIMPROVEDINADDITION,LEDASWELLASLOWVOLTAGE,SAFEDIMMABLELIGHTDOESNOTCONTAINU
30、LTRAVIOLETANDINFRAREDLIGHTSOURCEANDDOESNOTCONTAINMERCURYPOLLUTIONOFTHEENVIRONMENTANDSOONITISBECAUSEOFTHESEREASONS,LEDHASBECOMEONEOFTHEMOSTPROMISINGNEWCENTURYLIGHTINGINORDERTOACCELERATETHEDEVELOPMENTOFLED,CHINAHASOFFICIALLYLAUNCHEDTHE“NATIONALSEMICONDUCTORLIGHTINGPLAN“LEDHASAVERYBRIGHTPROSPECTINAUTOM
31、OTIVELIGHTINGINADDITIONTOTHEADVANTAGESOFLEDPREVIOUSLYDESCRIBED,THEREARESEVERALOUTSTANDINGADVANTAGESOFLEDMAKESITPARTICULARLYSUITABLEFORAUTOMOTIVELIGHTINGONEISTHATITGLOWSINTHERISETIMEISVERYSHORT,ONLY60NANOSECONDS,WHICHISABOUTONEMILLIONTHOFANINCANDESCENTTHUS,WHENUSINGLEDASTAILLIGHTS,THECARDRIVERCANFOLL
32、OWANEARLIERRESPONSE,BRAKINGORDECELERATIONTHESECONDFEATUREISTHESMALLSIZEOFTHELED,THUSUSINGITASASOURCEOFTAILLIGHTSCANBEDESIGNEDTOBETHINNERANDMORECOMPACT,WHICHCANSAVEALOTOFSPACEFOR7THEREARCOMPARTMENTOFTHECARANOTHERFEATUREISTHEAUTOMOBILELIGHTINGDESIGNHASMOREFLEXIBILITYTOPRODUCEAUTOMOBILESTYLINGBRIGHTNEW
33、PERSPECTIVEINTHEFIRSTCARWITHLEDLAMPASALIGHTSOURCEISTHEBRAKELIGHTCHMSLINTHEUS,SALESSINCESEPTEMBER1,1985ALLCARSMUSTBEEQUIPPEDWITHBRAKELIGHTWHILEITISNOTYETINOURLEGISLATIONINTHISAREA,BUTDUETOHIGHBRAKELIGHTSONTRAFFICSAFETYDOESHAVEAGREATCONTRIBUTION,HENCETHEPOPULARITYOFTHETRENDFIVE,INTELLIGENTAUTOMOTIVELI
34、GHTINGSYSTEMSWITHTHEDEVELOPMENTOFSCIENCEANDTECHNOLOGY,THEWORLDSAUTOMOTIVEINDUSTRYRDDEPARTMENTSAREWORKINGTODEVELOPINTELLIGENTDRIVERASSISTANCESYSTEMS,INORDERTOREDUCETHEBURDENONTHEDRIVERANDFURTHERIMPROVEVEHICLESAFETYANDDRIVINGCOMFORTINTHEAUTOMOTIVELIGHTING,ITISALSODEVELOPINGINTELLIGENTAUTOMOTIVELIGHTIN
35、GSYSTEMSINTELLIGENTAUTOMOTIVELIGHTINGSYSTEMS,ALSOKNOWNASADAPTIVELIGHTINGSYSTEM,WHICHINCLUDESANADAPTIVEHEADLAMPSYSTEMAFS,IMPROVEDSIGNALLIGHTINGANDINTERIORLIGHTINGCONTROLTHREEPARTSONEOFTHEMOSTIMPORTANTISTHEAFS,DESCRIBEDBELOWDOWITHITAFSADAPTIVEFRONTLIGHTINGSYSTEMISAEUREKAPROJECTNO1403,EUROPEANCARCOMPAN
36、IES,LIGHTSANDLIGHTINGCOMPANIESJOINTLYUNDERTAKETHEPROJECT,THEUNITEDSTATESANDJAPAN,SOMECOMPANIESAREALSOINVOLVEDINTHISPROJECTAFSHASACORNERINGLIGHTBL,HIGHWAYLIGHTINGML/COUNTRYLIGHTINGCL/TLURBANLIGHTINGANDLIGHTINGALINCLEMENTWEATHERANDOTHERFUNCTIONSINCITYDRIVINGWHENROADCONDITIONSCOMPLICATED,SOLIGHTSHAPEIS
37、WIDER,BUTALSODUETOSLOWSPEED,ANDTHUSNOTVERYFARAWAYFROMEXPOSUREHIGHWAY,SPEEDFAST,SOFARAWAYMLBEAMIRRADIATIONINTHECORNERS,BLSHOULDGIVETHECORNERSWITHGOODLIGHTINGFOREXAMPLE,SPEEDSENSORS,STEERINGANGLESENSOR,TILTSENSORBODYANDPRECIPITATIONINFORMATIONANDALIGHTINGDEVICESTATUSSENSORSINADDITION,THEGLOBALPOSITION
38、INGSYSTEMGPS/DIGITALMAPANDCAMERAIMAGINGPROCESSINGSYSTEMFORINFORMATIONCOLLECTIONALSOBEGANTOEXPERIMENTACCORDINGTOTHEINFORMATIONCOLLECTEDTOISSUEAFSTODRIVEINSTRUCTION,THELIGHTINGSYSTEMISADJUSTEDTOTHEDESIREDSTATEINCORNERINGLIGHTBLASANEXAMPLE,THERADIUSOFCURVATUREOFTHEROADAHEADOFTHEVEHICLEISCRITICALINFORMA
39、TIONRELATIVELYSIMPLEAND8ECONOMICALMETHODTODETERMINETHECARINFRONTOFTHEROADCURVEDCASEISTHEUSEOFSPEEDSENSORS,STEERINGANGLESENSORDIFFERENCESFROMBOTHSIDESOFTHEWHEELSPEEDINFORMATIONCANBEOBTAINEDABOUTBECAUSEBLRELATIVELYEASYTOACHIEVE,WHICHISEXPECTEDTOFIRSTGETPRACTICALDETERMININGDATE,ML,CLANDTLSTATEMAINLYBAS
40、EDONTHEAVERAGESPEEDOFCARINFORMATIONOFCOURSECOMBINESGPSANDDIGITALMAPSAREALSOGOODTOOLS,BUTSPENDSOMUCHASFORTHEBADWEATHERLIGHTINGAL,RAINSENSORCANDETECTLANDEDRAINDROPSONTHEWINDSHIELD,INDICATINGTHATTHEDRIVERREDUCETHEVISIBILITY,BUTWILLGOTOTHEALAFSHEADLIGHTSLIGHTINGCONDITIONBUTTHESITUATIONISMOREDIFFICULTFOG
41、OFAL,ONLYREALSENSORSTODETECTTHEVISIBILITYAVAILABLEONEPOSSIBLEMETHODISACAMERAIMAGINGPROCESSINGSYSTEMWHICHCANMEASUREDUETOREDUCEDVISIBILITYCAUSEDBYCONTRASTWITHAFS,EVENINCOMPLEXANDDIFFICULTCASES,CARSCANAUTOMATICALLYPROVIDETHEBESTLIGHTINGSOTHEDRIVERCANHAVEMORETIMEANDENERGYTOPROPERLYJUDGETHEDRIVINGSITUATI
42、ONANDTAKEAPPROPRIATEMEASURESINATIMELYMANNER,WHICHLARGELYEXCLUDESCERTAINDANGEROUSEXTANT,SOSAFE,COMFORTABLEDRIVINGREALLYPOSSIBLESIX,SHANGHAIKOITOELECTRONICTECHNOLOGYADVANCESSHANGHAIKOITOAUTOMOTIVELAMPCOHASATTACHEDGREATIMPORTANCETOTECHNOLOGICALPROGRESS,INTHESHANGHAIAUTOMOTIVEINDUSTRYCORPORATIONLEADERSH
43、IP,RELYONTHESUPPORTOFJAPANSKOITO,SHANGHAIKOITOTECHNOLOGYCENTERIN2000WASUPGRADEDTOENTERPRISETECHNOLOGYCENTERINSHANGHAI,THISYEARATTHECENTERESTABLISHEDELECTRONICTECHNOLOGYSECTION,THEMAINRESEARCHOFELECTRONICTECHNOLOGYINTHEAUTOMOTIVELIGHTINGANDAUTOMOTIVESIGNALLAMPSCARPURELYMECHANICALDEVELOPMENTALMOSTTOTH
44、ELIMIT,COMBINEDWITHAUTOMECHANICSANDELECTRONICSTECHNOLOGYISTHEDEVELOPMENTTRENDOFTHEINTERNATIONALAUTOMOTIVEINDUSTRY,AUTOMOTIVEELECTRONICS,INTELLIGENCELEVELHASBECOMETHEMOSTIMPORTANTMEASUREOFTHELEVELOFCARLOGOTHEWORLDSMAJORAUTOMOTIVEMANUFACTURERSCOMPETINGINVESTEDHEAVILYINTHEDEVELOPMENTOFALARGENUMBEROFAUT
45、OMOTIVEELECTRONICSPRODUCTSEQUIPPEDWITHNEWVEHICLES,MAKINGITMOREADVANCED,SAFE,COMFORTABLEANDLUXURIOUS,WHILEACHIEVINGENERGYSAVING,ENVIRONMENTALPROTECTION,MULTIFUNCTIONAL,THEREBYENHANCINGTHEIRCOMPETITIVENESSINTHE9NEXT10YEARS,COMPETITIONINTHEAUTOMOTIVEMARKET,BYITSVERYNATURE,ISAUTOMOTIVEELECTRONICS,INTELL
46、IGENTCOMPETITIONITISPREDICTEDTHATBY2005THECOSTOFAUTOMOBILEELECTRONICPRODUCTSACCOUNTEDFORTHEPRICEOFTHEVEHICLEWILLBEMORETHAN45HIGHINTENSITYDISCHARGEHID,THESEMICONDUCTORLIGHTEMITTINGDIODELEDLIGHTSOURCE,ANDHASBEGUNTOUSEAUTOMOTIVELIGHTINGANDLEGISLATIONINEUROPEANDJAPAN,AFSSYSTEMADAPTIVEHEADLAMPSYSTEMISANI
47、NTERNATIONALAUTOMOTIVEELECTRONICS,INTELLIGENCEISTHEMOSTDAZZLINGONEPRODUCTAUTOMOTIVELIGHTINGISALWAYSPRACTICALANDDECORATIVESETINONEOFTHECARSITCANBESTEMBODYTHETASTE,THEMOREPERSONALIZEDCARS,LUXURYCARS,MOREEMPHASISONDESIGNANDQUALITYOFTHELIGHTSLEDLAMPSCANBEUSEDONAVARIETYOFCARSISALOT,ANDHASBEENUSEDARET13/4
48、OFTHAT5LED,SUPERFLUXLED,SNAPLED,SMTLEDANDSOMEOPTICALCOMPONENTSEGMIRRORSONESPECIALLEDIN1999,SHANGHAIKOITOFORSHANGHAIVOLKSWAGENSANTANA2000DEVELOPEDTHEFIRSTLEDBRAKELIGHTSSEEFIGURE15,THEAPPLICATIONOF18SUPERFLUXLEDASTHELIGHTSOURCE,THELIGHTMICROSCOPEISDESIGNEDWITHLIGHTPATTERNLIGHTINSIDEOFASETFRESNELPATTER
49、N,THEOUTSIDEOFTHEDIFFUSIONPATTERNFORCORNSOFAR,SHANGHAIKOITOHASFORSHANGHAIGMGL8,SHANGHAIVOLKSWAGENSANTANA,POLO,SICHUANTOYOTACOASTER,ANDCHERYB11ANDOTHERMODELSDEVELOPEDLEDLIGHTSOURCEFORCARLIGHTSBRAKELIGHTSMAINLY,ACCUMULATEDSUPPORTINGOVER50MILLIONACCORDINGTOFORECASTS,SHANGHAIKOITOSALESINTHELEDANDHIDLAMPSWILLHAVEALARGERGROWTH2004TO1345MILLIONYUAN,IN2005TO10937MILLIONYUAN,27203MILLIONYUANIN2006,2007WAS29915MILLIONYUANAWAREOFTHEDEVELOPMENTTRENDOFAUTOMOBILELAMPS,SHANGHAIKOITOINCREASEDINVESTMENTINAUTOMOTIVELIGHTINGELECTRONICSTECHNOLOGYDEVELOPMENT,INAUGUST2003HASBEENSUCCESSFULLYDEVELOPEDANDEQUI
