如何看懂Cree公司的LM80測試報(bào)告

1、如何看懂Cree公司的LM-80壽命測試報(bào)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為例:LM-80測試報(bào)告中文版1.LED燈的測試數(shù)量看測試報(bào)告2.LED燈的描述Xalmp-xpeWhiteLED包裝這份LM-80測試報(bào)告適用于以下序

7、列號的LED：XPEWHT-XX-XXXX-XXXXX3.測試設(shè)備的描述InstrumentSystemsISP-500-IntegratingSphereInstrumentSystemsCAS-140SpectrometerKeithley2420Sourcemeter4循環(huán)周期LED燈是恒流驅(qū)動(dòng)5環(huán)境條件LED燈在恒溫箱中操作，是通過控制氣流來控制箱內(nèi)的環(huán)境溫度。溫度：看測試報(bào)告濕度：V45%風(fēng)流量：800CFM6.外殼溫度看測試報(bào)告（此溫度于Cree公司推薦溫度焊盤上測得）7.LED燈在壽命測試中的驅(qū)動(dòng)電流看測試報(bào)告8.在光度測量中的初始光通量和正向電壓看測試報(bào)告9.每個(gè)單獨(dú)LED燈的

8、光通量維持?jǐn)?shù)據(jù)看測試報(bào)告（環(huán)境溫度在光通量測試時(shí)設(shè)置為25C+2）10.LED燈失效的觀測報(bào)告在測試的過程中無失效11.LED光源監(jiān)測間隔看測試報(bào)告12.光度測量不確定度Cree在LM-80的測試中保持土2.0%的測量公差13.在測試過程的色度變化報(bào)告看測試報(bào)告（環(huán)境溫度在25C色度測試設(shè)置為2C）試驗(yàn)總結(jié)：編碼環(huán)境溫度Ts測試溫度Ta驅(qū)動(dòng)電流If在6000小時(shí)時(shí)的流明維持率在6000小時(shí)時(shí)的色度變化值（UV）TM-21L70壽命測試報(bào)告855C55C350mA97.7%0.0022L70(10k)60,500hrs985C85C350mA98.1%0.0021L70(10k)60,500hrs10105C105C350mA96.4%0.0021L70(6k)36,300hrs545C45C700mA96