电视工作原理-色度学.pdf

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1、莫烨液晶显示公司Feb2003色度学基础ColorPhysicsChromaticityconfidentialByMoYe液晶显示公司Feb2003CIECommissionInternationaledel'EclairageAninternationalorganizationthatrecommendsstandardsandproceduresforlightandlightingconfidentialByMoYe长虹液晶背投电视项目介绍1莫烨液晶显示公司Feb2003•Colortemperatureisthecorrelatedtemperatur

2、eoftheblackbody•Daylightis“bluish”(highertemperature)•Incandescentlightis“reddish(lowertemperature)confidentialByMoYe液晶显示公司Feb2003ArtificialLightSpectraconfidentialByMoYe长虹液晶背投电视项目介绍2莫烨液晶显示公司Feb2003BlackBodyRadiationconfidentialByMoYe液晶显示公司Feb2003Thelightthatlightsupourworldandallowsu

3、stoseethatworldissolarenergyinwhatisknownasthevisibleregionoftheSpectrum.Thisvisibleregionisaverynarrowsegmentofthisspectrumextendingfrom~440nmintheextremeblue(nearultraviolet)to~690nmintheredregion--withgreeninthemiddle@~555nm.confidentialByMoYe长虹液晶背投电视项目介绍3莫烨液晶显示公司Feb2003confidentia

4、lByMoYe液晶显示公司Feb2003Anidealtransferfunctioninthisoverlappingselectivitywouldbesuchthatasonefilter'sselectivityincreasestheadjacentfilter'sselectivitydecreaseshavingatotalgainofunitythroughoutthiscontinuum.confidentialByMoYe长虹液晶背投电视项目介绍4莫烨液晶显示公司Feb2003Colorisacombinationofthesource,obj

5、ect&detectorconfidentialByMoYe液晶显示公司Feb2003PhosphorEmitting同色异谱现象人眼是一架不很精确的光学鉴别器,它常常将不同光谱成分的色光看成同一种色。例如肉眼分不出哪一种白光是由太阳光连续光谱组成的,哪一种是由红、绿、蓝三种色光组成的,这叫同色异谱现象confidentialByMoYe长虹液晶背投电视项目介绍5莫烨液晶显示公司Feb2003Theadditionofcolorsinthecorrectproportioncreateswhite;unlikepaintwhichdarkens,e.g.,blac

6、kistheadditionofYellow,CyanandMagentapigments.Forexample,inordertoproduce"White"lighttothehumanobserverthereneedstobe11%blue,30%redand59%green(=100%).confidentialByMoYe液晶显示公司Feb2003CIEcolorimetry-1931•Anattempttointernationallystandardizecolormatchingsituations,terms,units...reference

7、somesourceprimarysetspectralcolorvisualmatchToachieveavisualmatch,lseveralbyl,theobserversneed...observersXR+YG+ZBconfidential...XYZamountsofRGBprimarylightsrespectively...ByMoYe长虹液晶背投电视项目介绍6莫烨液晶显示公司Feb20032°or10°StandardObservers1°to4°viewingareacone2degreevisionviewingonlyangle50cm.

8、large