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LED植物生长灯
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简述LED发光原理

2019-12-04

  LED发光原理:

天天斗地主  FAGUANGERJITISHIYIZHONGJIANGDIANLIUSHUNXIANGTONGDAOBANDAOTIp-nJIECHUERFAGUANGDEQIJIAN,TONGCHANGCAIYONGSHUANGYIZHIJIEHELIANGZIJINGJIEGOU。1962NIANGE(GeneralElectric)GONGSIYONGGaAsPSHOUCIJIANGHONGSELEDSHANGPINHUA。ZUICHUDEHONGSELEDDEGUANGTONGLIANGWEI0.1lm/W,YUESHIPUTONGDENGGUANGDE1/150,QIFAGUANGXIAOLVDAYUEMEI10NIANTIGAOYIGESHULIANGJI。ZUIJIN,LANSE、LVSELEDYISHIYONGHUA,QIFAGUANGQIANGDUCHAOGUOAlGaAsLEIHONGSELED。

  ZHEIZHONGLEDCAIYONGDANHUAWUBANDAOTI(InGaNHUNJING)ZUOHUOXING(FAGUANG)CENGDELIANGZIJINGJIEGOU,QIFAGUANGQIANGDUCHAOGUO10cd,LIANGZIXIAOLVCHAOGUO20%。CIWAI,HAIKAIFALEWAIBULIANGZIXIAOLVCHAOGUO50%DEAIInGaPHONGSELED(630nm)HEHUPO--LED(595nm)。InGaNLVSE、LANSELEDDELIANGZIXIAOLVYEJIEJINSHANGSHUZHI。

天天斗地主  KANDELA(cd)SHIFAGUANGQIANGDUDEDANWEI,YONGYIBIAOSHIKEJIANGUANGLEDFAGUANGQIANGDUDEZHIBIAO。FAGUANGQIANGDUIKEYONGGUANGTONGLIANGΦHELITIJIAOΩBIAOSHI。I=dΦ/dΩ[cd]Φ=Km∫V(λ)Pλdλ[lm]QIZHONG,KmWEIZAIBOZHANG555nmFANWEINEIDEJIAODAKEJIANDU(683nm),LVSEDUIRENYANSHIZUILIANGDE。V(λ)SHIZAIBOZHANGWEIλSHIDEXIANGDUIKEJIANDU[V(555nm)=1],PλWEIGUANGPUFUSHETONGLIANG。

  BAIGUANGLEDFAGUANGYUANLI:

天天斗地主  SHIYIZHONGYOUInGaNLANSELEDHEYINGGUANGTIZUCHENGDEXINXINGLED。ZAILANSELEDXINPIANSHANGTUFUYINGGUANGTI,ZUIHOUYONGHUANYANGSHUZHIJIANGXINPIANZHOUWEIMIFENG。LIANGZHONGFANGSHI(DANXINPIANXINGHEDUOXINPIANXING)KEDEDAOSEDIAOXIAOGUOHAO(Ra85)DEBAIGUANG。YISHITONGSHIDIANLIANGHONGSE、LVSE、LANSE(R.G.B)HUOLANLVSEHEHUANGCHENGSE2、3ZHONGLED;ERSHIYONGFUSHELANSEHUOZIWAILEDZUOJILIGUANGYUANJILIYINGGUANGTIDEFANGSHI。YIZHONGFANGSHIBUJINZAILEDDEQUDONGDIANYAHUOFAGUANGSHUCHUSHANGYOUQUEXIAN,ERQIEZAIWENDUTEZHENGHUOQIJIANSHOUMINGSHANGYECUNZAIWENTI,YINCIJUSHIYONGHUAHAIYOUYIDUANJULI。DIERZHONGFANGSHIZEYONGYIGEQIJIANJIKE,QUDONGDIANLU,YIYUSHEJI。

  BAIGUANGLEDYOUSANZHONGJILIFANGSHI:

  1.YONGLANSELEDJILIFAHUANGGUANGDEYINGGUANGTI。ZHEIZHONGBAIGUANGGOUJIUSHIJIANGLANGUANGLEDYUYAGYINGGUANGWUZHIFANGZAIYIQI,YONGLANGUANGJIFAYINGGUANGWUZHI,ZHEIYANGTAFACHUDEGUANGPUJIUSHIBAIGUANG。ZAIZHEIFANGMIANRIYAHUAXUEGONGSIYONGYOUSHIJIEXINGDEZHUANLI。

  2.YONGZIWAILEDJILIR.G.BYINGGUANGTI。JILIYINGGUANGTIDEBAISELEDZHAOMINGGUANGYUANYINYINGGUANGTIZUNALAIBUTONGKEFASHEBAIGUANGYIWAIDEGEZHONGYANSEDEGUANG,YINERKEGUANGFANYINGYONGYUZHAOMING。YONGR.G.BSANJISELEDKAIFALEBAISELED,XIANSHIYANSHISHUIZHUNDEFAGUANGXIAOLVYICHAOGUO50lm/W,JINJINIANNEIKEWANGCHAOGUO100lm/W,ERHONGGUANGBUFENJIAOJIADEFAGUANGXIAOLVYICHAOGUO100lm/W。

  3.LIYONGHONG、LV、LAN3ZHONGFAGUANGERJITIDIAOZHENGQIGEBIELIANGDULAIDADAOBAIGUANG,YIBANLAISHUO,HONG、LV、LANDELIANGDUBIYINGWEI3:6:1,HUOZHEZHIYONGHONG、LVHUOLAN、HUANGLIANGKELEDDIAOZHENGQIGEBIELIANGDULAIFACHUBAIGUANG,ZHEIYANGDEBAIGUANGJIEGOUJIAODADEQUEDIANJIUSHIZAOJIAJIAOGAO,BULIYUSHANGPINHUAFAZHAN。

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