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LED照明灯具的光效和光色品质如何达到平衡?

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LED照明灯具的光效和光色品质如何达到平衡?

发布日期:2019-03-21 00:00 来源:http://weimeiled.com 点击:


 去年某公司的内蒙古快3光效取得重大突破,达303lm/W,很多业内人士在啧啧赞叹的同时,各种“砖家”也开始进行下一步的大胆预测,400lm/W,500lm/W,1000lm/W……

内蒙古快3  JINTIANWOMENLAIBAYIBA:GUANGDEZUIDAJIXIANGUANGXIAOSHIDUOSHAO?

  WOMENCONGXIAOJIUZHIDAO:YOULEDIAN,DUOFANGBIAN,DIANDEYONGCHUSHUOBUWAN。QIZHONGZHIYIJIUSHIJIEFANGLERENLEIYESHENGHUODEDIANDENGPAO。

内蒙古快3  DIANSHIZENMEZHUANHUAWEIGUANGDENI?BUTONGDEGUANGYUANGEYOUBUTONGYUANLI,DANZONGDELAISHUODOUSHIZHEIYANG:

内蒙古快3  SUOYI,DENGPAODEFAGUANGXIAOLVDEJISUANGONGSHIDAJIADOUHENSHUXI,JIGUANGTONGLIANGCHUYIZONGGONGLV。

内蒙古快3  LAME,ZHEIGEFAGUANGXIAOLVDEJIXIANYOUSHIDUOSHAONI?ZHEIGEKONGPAJIUBUSHISUOYOURENDEDOUZHIDAOLE。

  电在灯泡里都变成了啥?

  SHOUXIANWOMENLAIHUIYIYIXIA,DANGNIANCHUZHONGWULILAOSHIZAIWOMENERDUOBIANYIZHILAOTAODE“NENGLIANGSHOUHENGDINGLV”(ZHIZAINENGLIANGZHUANHUANGUOCHENGZHONGNENGLIANGBIXUBAOCHISHOUHENG),ZHEISHIBUNENGWEIBEIDEZIRANGUILV。

  YILEDDENGPAOWEILI,RUGUOSUOYOUDEDIANGONGLVWOMENDOUYONGSHANGLE,LEDQIJIANGONGZUOZAIZHUANHUADIANGONGLVPSHI,HUICHANSHENGLIANGZHONG:YIZHONGYONGLAIFAGUANG(GUANGGONGLVPV),YIZHONGYONGLAIFARE(REGONGLVPH)。

  SUOYI,SHANGMIANNEIGEGONGSHIYEKEYIBIANGEXING(XUESHUXUEHEWULIGENWOYIYANGZUITAOYANBIANXINGDEJUGESHOU?):

内蒙古快3  WOMENLAIJUGELIZI,XIAMIANZHEIGETUNI,SHIYIGECOBQIJIANDEGUANGDIANCESHIBAOGAO(BUZHIDAONIKANBUKANDEDONG?):

  图:光电测试报告

 报告中用红色标示的辐射通量Φe就是光功率,从能量守恒的角度理解就是消耗了31.21W的电功率,有11.97W(占38.36%)变成了光功率,19.24W(占61.64%)转化成热功率,发出了3922lm的光。

  RUGUOBUKAOLVREGONGLV(JIAZHUANGZHIHAOLE11.97WDEDIAN),ZHEIGEQIJIANNENGDADAODEJIXIANGUANGXIAOHUOGUANGSHIXIAONENG(LER)JIUSHI:

  光视效能(LER)是个什么鬼?

  SHANGMIANWOMENSHUODAOLEYIGEZHUANYEMINGCIGUANGSHIXIAONENG(LER),KESHIMADAN,ZHEISHIGESHENMEGUI?BIEJI,WENWO。

  XIANZAIJIASHEWOMENFAMINGLEYIZHONGLIXIANGDELED,BUCHANSHENGRELIANG,KEJIANGDIANGONGLVP100%ZHUANHUANCHENGGUANGGONGLVPV。(ZAILILUNSHIJIELI,LIXIANGHAISHIYAOYOUDE,SUIRANZONGYESHIXIANBULE)

  ZHEISHIDEGUANGXIAOJIUSHILILUNZUIDAZHILE,ZHEIGEZHIHAIYOUGEXUEMING,JIAOGUANGSHIXIAONENG(luminous efficacy of radiation,JIANCHENGLER)。

  LERDELILUNJISUANGONGSHIRUXIA(WOZHIDAONIKANBUDONG~~):

内蒙古快3  GONGSHIZHONGDEKmJIAOZUIDAGUANGSHIXIAONENG,DENGYU683lm/W,YISISHIRENYANZUIMINGANDEHUANGLVGUANG(555nm),1WDEGUANGGONGLVXIANGDANGYU683lmGUANGTONGLIANG。

内蒙古快3  DANGGUANGPUDEXINGZHUANGQUEDINGLE,GUANGSHIXIAONENG(LER)YEJIUQUEDINGLE。(CEGUANGPUYOUGEBIANXIESHENQINIZHIDAOMA?)

  LILUNHEGONGSHIBUHAO(yong)DONG,ZAIJUGELIZIBA。

内蒙古快3  SHANGMIANTUZHONG,WOMENKEYIKANDAOLUSUDENGDEGUANGSHIXIAONENG(LER)ZHIYOU130lm/W,YEJIUSHISHUOLUSUDENGLILUNSHANGDEZUIGAOGUANGXIAONENGZUO130lm/W,ZHUYAOSHILUSUDENGDEGUANGPULIMIANBAOHANLEDALIANGDEHONGGUANG,CONGSHIJIANHANSHUV(λ)(HEISEXUXIANSUOSHI)SHANGKAN,ZHEIXIEHONGGUANGRENYANDOUSHIBUMINGANDE,DAOZHIGUANGSHIXIAONENG(LER)BIJIAODI。

  ERLED1QUDIAOLEBIJIAODUODEHONGGUANG,GUANGPULIMIANDABUFENSHIRENYANMINGANDEHUANGLVGUANG,SUOYIGUANGSHIXIAONENG(LER)KEDADAO330lm/W,DANSHIYINHONGGUANGQUDEBIJIAODUO,DAOZHIXIANZHIZHIYOU80。

  2则包含较多的红光,显指有97,光视效能(LER)也能达到260lm/W。

内蒙古快3  SUOYI,HUIDAOQIANMIANSHUODEHUOBIDUIHUANDEBIYU(YUANWENDIANZHEILI:):

内蒙古快3  LERDEYISIXIANGDANGYUNISHOUSHANGYOUHENDUOZHONGGUANG(HUOBI)GENJUV(λ)SHIJIANHANSHU(HUILV)ZHESUANCHENGTONGYIDEGUANGTONGLIANG(JIAZHI)。

内蒙古快3  RENYANZUIMINGANDEGUANGSHI555nmDEHUANGLVGUANG,TADEGUANGSHIXIAONENG(LER)SHI683lm/W,ZHEIJIUSHILILUNSHANGDEZUIGAOGUANGXIAO。(SUOYI,LEDZAINIUBI,YESHIZHUIBUSHANGWEIHAO683ZHEILIANGCHEDE!)CONGBIAO2ZHONGYEKEYIKANDAO,455nmDELANGUANGDEGUANGSHIXIAONENG(LER)ZHIYOU32.8lm/W。

  光效和光色品质,自古万事难两全

内蒙古快3  2013NIANMEIGUOPo-ChiehHungDENGZAIIEEEQIKAN<JOURNAL OF DISPLAY TECHNOLOGY>FABIAOGUOYIPIANWENZHANG,WENZHANGZHONGTAMONIJISUANLEGEZHONGXIANZHI、SEWENDEJIXIANGUANGXIAO,BINGZHENGLICHENGYIGETUBIAO,RUXIATU6SUOSHI。

图:最大理论光效

内蒙古快3  CONGTUZHONGWOMENKEYIKANDAO,BAIGUANGLILUNSHANGDEZUIGAOGUANGXIAOZHIYOU480lm/W,ERQIEZHEISHIHOUDEXIANZHIZHIYOU30,XIANSEXIAOGUOJICHA。

内蒙古快3  RUGUOWEILETIGAOXIANZHI,GUANGPUZHONGXUYAOBAOHANGENGDUORENYANBUMINGANDELANGUANGHEHONGSE(XIANGDANGYUSHOUSHANGNALEHENDUOBUZHIQIANDEHUOBI,MIANZHIZAIGAO,ZHESUANXIALAIDEJIAZHIHAISHIHENDI)。

内蒙古快3  GUANGXIAOHEGUANGSEPINZHI,JIUZHEIMEZAIYIGEDENGPAOLI,XIANGSHENGXIANGKEXIANGAIXIANGSHAZHE。YEZHENGYINWEIRUCI,ZHAOMINGSHEJISHIXUANZEGUANGYUANSHI,WANGWANGMEIYOUZUIHAO,ZHIYOUZUIHESHI。

  XIANZAI,NINMINGBAIBAIGUANGDEGUANGXIAOWEISHENMEZUOBUDAO1000lm/WLEMA?

  PS:本文讲的V(λ)都是明视觉视见函数

 

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