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【英文标准名称】:StandardTestMethodforDeterminingLuminanceofaMembraneSwitchBacklitwithDiffuseLightSource
【原文标准名称】:带漫射光源的薄膜开关背面照明的亮度测定标准试验方法
【标准号】:ASTMF2360-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:F01.18
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:测定;亮度;光源;薄膜开关;扩散
【英文主题词】:backlit;colorimeter;diffuselight;electroluminescentmaterial;lightemittingdiodes;luminance;membraneswitch;photometer;radiometer;videophotometer;
【摘要】:Illuminationofaswitchorofcertainfeaturesofaswitchoftenhasafunctionalpurposeandmustmeetspecificationtosatisfythefunctionalrequirementsoftheswitch.Illuminationoftheswitchcanbeaffectedbyvariationsinthequalityanddesignoftheoverlayanditsapplication.Thistestmethodaddressesonlytheopticalandvisualappearanceoftheswitchandnotitselectricalfunction.Thistestmethodisnon-destructive.Ifthistestmethodisappliedtotheentireswitchassembly,theresultscanbeappliedtothewholedevice.However,itmaybesufficientandpracticaltoapplythetesteithertoasubassemblyonly,ortotheilluminationlayeronly,inwhichcasetheresultsapplytothatlayeronlyandtheneteffectonthefullyassembleddevicemustbecalculated,extrapolated,orotherwiseinferred.1.1Thistestmethodcoversproceduresfordeterminingtheluminanceofabacklitmembraneswitch.Aswritten,itappliestoafullyassembledswitch.Forspecificpurposes,itcanbeappliedtopartiallyassembledswitcheswiththeunderstandingthattheresultspertainonlytothepartialassemblyandwillbemodifiedasthefurtherassemblyproceeds.
【中国标准分类号】:K31
【国际标准分类号】:31_220_20
【页数】:2P.;A4
【正文语种】: