中国国际汽车照明论坛(IFAL)

2025 IFAL
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Next Generation SMT LED for Automotive Signalling and Forward Lighting Functions

Michael Zitzlsperger, JoachimReill


Abstract

LEDs meanwhile are established in automotiveexterior lighting applications, including fullLEDheadlamps.ItnowbecomesimportanttooptimizetheLEDs’functionalityforawiderusageinfunctionsandopticalsystems.FurthermoreachievinghighsystemreliabilitybytheuseofdifferentPCBsubstratematerialsenablesahighflexibility.ThispaperwilldiscusstechnicalsolutionsonLEDleveltofulfiltheseimportantfactors,withfocusonRth,thermallymatchingpackageandPCB,smalloutlinedimensionswithminimalpackageheightandahighcontrastratio of lightemitting and adjacentarea.