如何看懂Cree公司的LM80测试报告

1、如何看懂Cree公司的LM-80寿命测试报告XLAMPXPEWHITELEDS(REV3)Revision:3(JovennbQr2011JL,NumbercfLEDIghtsourcestestedS&etndjviduadatsets.二DeccriptionofLEDligntcouincesXLampKP-EWhiteLEDpackages(Series:XPEWHT)Ti&LM-SCreDoitis;apDlicabletotheFolIdwingordercodec:XPEWHT-AX-XAXK-jaxia3DescriptionofauxiliaryequipmentInstru

2、mentSystemsISP-EO0Int-egrazgSphereInstilmentSystemsCAS-14GSpectrameterKetley2420Souncemater4.CperazingcycleLECpackagesaredrenatconstantcur-Bt.5,Ambientuc?nditkf)野LEDpackagesa-epertedin匕nviranm-entalcontrolchwmbErs,Thetemperatuns-tineambienta-an(HidtieLEDpackagesis-activelycontrolledbysirFlowingthrou

3、ghthechambei;:SeeindivFtfuldatasetsKH:u45%Airow:BOOCFM6,Casetempciatu-eJeemdJ/iduJaf-s7.Drivecur-etoftReLEDlighte.ourcedurng-e:imetest.S&etndjvidusdatsets.8.Initialluminousfluxandforwardvoltageatphotometricrreasur-emenzGur-entSeemdjsidus)dat&sets.9.LumenmaintenancedatsiforeachindividualLEDlightsourc

4、eSeeindjyidua!datsets-Ambienttemperatureduringluminousfluxtestingsetto25DC=t2CLD.Osser/afonofLEDligntsounceFailunesNoFaIunecoccuTeddurngzeczing.LI.LEDlightsourcemoniioringinzerwalSeemtfjvfdudata5ets.LZ.Photoneticmea&urerrentunce-taityCiemaintains弓to1eraneeof2.0%qofluxmeasurementsf-orLM-80testing13.C

5、hrorrazieitvshikreportedovethemeasurernenttimeSeemdjviduafdatsets.Ambfeinttemperaturedurgchnomaticitytestingsetto25CZJC.TestSiimiraryDataHCaseITemp.AmbientTJDriveCurrent1AverageLumenMaintenanceat6,000hoursAverageGhroma-tidtyShiftAuVat6r0DDhoursReportedTH-21L70Lifetime855C55C35&mA97.7%0.0022L7O(L0lc)

6、60r500hrs9S5QC65C3SCmA96.1%0.0021L7010k)60r500hrs1045匸10i5nC350mA96,4%0,0021L70(k)3ef3D0hra545C45C70&mA96.6%0.0013L70(L(Jlc)：SOrSCOhrs6S5C55C700mA96.5%0.0013L7O(L0lc)60r500irs7S5C65C7Q0mA95.6%0.0004L7010k)&0r500hrs以XP-E系列LED为例:LM-80测试报告中文版1.LED灯的测试数量看测试报告2.LED灯的描述Xalmp-xpeWhiteLED包装这份LM-80测试报告适用于以下序

7、列号的LED：XPEWHT-XX-XXXX-XXXXX3.测试设备的描述InstrumentSystemsISP-500-IntegratingSphereInstrumentSystemsCAS-140SpectrometerKeithley2420Sourcemeter4循环周期LED灯是恒流驱动5环境条件LED灯在恒温箱中操作，是通过控制气流来控制箱内的环境温度。温度：看测试报告湿度：V45%风流量：800CFM6.外壳温度看测试报告（此温度于Cree公司推荐温度焊盘上测得）7.LED灯在寿命测试中的驱动电流看测试报告8.在光度测量中的初始光通量和正向电压看测试报告9.每个单独LED灯的

8、光通量维持数据看测试报告（环境温度在光通量测试时设置为25C+2）10.LED灯失效的观测报告在测试的过程中无失效11.LED光源监测间隔看测试报告12.光度测量不确定度Cree在LM-80的测试中保持土2.0%的测量公差13.在测试过程的色度变化报告看测试报告（环境温度在25C色度测试设置为2C）试验总结：编码环境温度Ts测试温度Ta驱动电流If在6000小时时的流明维持率在6000小时时的色度变化值（UV）TM-21L70寿命测试报告855C55C350mA97.7%0.0022L70(10k)60,500hrs985C85C350mA98.1%0.0021L70(10k)60,500hrs10105C105C350mA96.4%0.0021L70(6k)36,300hrs545C45C700mA96