投影机工作原理基本介绍

InnovativeDisplaySolutionProvider投影機工作原理基本介紹陳科順AlChenInnovativeDisplaySolutionProvider常見投影機種類及架構三片式穿透式液晶投影機（LCD）反射式LCoS投影機(LCoS)反射式DLP投影機（DMD）InnovativeDisplaySolutionProvider三片式穿透式液晶投影機（LCD）InnovativeDisplaySolutionProvider反射式LCoS投影機(LCoS)InnovativeDisplaySolutionProviderSystemRequirementsResolutionSVGA(800*600)/XGA(1024*768)/SXGA+(1400*1050)ProjectionLensFixed/ZoomBrightness2000ANSIlumens……FOFOContrastRatio1800：1ANSIContrastRatio1000：1Uniformity≧75%VolumeWXLXHWeight4lbsAudibleNoise35dB(A)LampLife2000hoursConnectorsDVI,VGA,USB……VideoSourcesNTSC/PAL/SECAM,HDTVGraphicSourcesUptoUXGAInnovativeDisplaySolutionProvider單片或DLP投影機投影原理InnovativeDisplaySolutionProvider投影機系統內部結構InnovativeDisplaySolutionProvider投影機工作原理方塊圖SignalsMainBoardTIFormatterBoardProjectionLensDMDIlluminationOpticsPowerLVPSBallastLampIntegratorRodMotorDrive12V/5V/3.3VCWINDEXCWCNIRL380VDCDisplayImageInnovativeDisplaySolutionProvider關鍵零件組介紹Optical–DMD,Lamp,OpticalEnginePowerSupply–LVPS,BallastThermal–FanElectrical–MainBoard,TIFormatterBoardInnovativeDisplaySolutionProviderHowDLP™WorksDMD-ProvidingtheimageInnovativeDisplaySolutionProviderHowDLP™WorksInnovativeDisplaySolutionProviderMirror-12degMirror+12degHingeYokeCMOSSubstrateSource:TIInnovativeDisplaySolutionProviderOpticalEngineWT41DMDRelayL1M1M2L2L3RodCWUVIRLampInnovativeDisplaySolutionProviderLamp-ProvidinglightLampClassificationACLamp/DCLampParabolicLamp/EllipticalLampKeyRequirementsofLampBrightness–Power&Arc–GapMaintenanceNon–FlickeringLampSupplierOSRAM,Philips,Phoenix,Ushio,……InnovativeDisplaySolutionProviderPowerSupplyLVPS–LowVoltagePowerSupplierEMIfilterPFC–功率因數之調整AC/DCDC/DCBallastIgniteLampProvideConstantPowerSynchronizewithDMDInnovativeDisplaySolutionProviderThermalFanClassificationAxialFan–用於冷卻整個系統BlowerFan–用於冷卻LampBurner