1. Yazvino/voltage parameters yewhite LEDs (yakanaka uye inodzosera kumashure)
Iyo chena LED ine yakajairika PN junction volt-ampere hunhu. Iyo yazvino inokanganisa zvakananga kupenya kweiyo chena LED uye iyo PN tambo parallel yekubatanidza. Hunhu hwema LED machena akakodzera hunofanirwa kufananidzwa. Mune iyo AC modhi, iyo reverse inofanirwawo kutariswa. Magetsi maitiro. Naizvozvo, ivo vanofanirwa kuyedzerwa kumberi ikozvino uye kumberi voltage kudonha panzvimbo yekushandisa, pamwe nemaparamita akadai sereverse leakage ikozvino uye reverse breakdown voltage.
2. Ruminous flux uye inopenya inopenya ye LED chena
Iro simba remagetsi remagetsi rinoburitswa ne LED chena muchikamu chenguva inonzi inopenya inoyerera, inova iyo optical simba (W). Kune iyo chena LED mwenje sosi yekuvhenekesa, iyo inonyanya kunetseka ndeye yekuona maitiro ekuvhenekesa, ndiko kuti, huwandu hweinopenya inoyerera inoburitswa nemwenje sosi inogona kuita kuti ziso remunhu rione, rinonzi luminous flux. Chiyero chekupenya kwemagetsi kune simba remagetsi echigadzirwa chinomiririra kushanda kwemwaranzi ye LED chena.
3. Chiedza chekuwedzera kugovera curve ye LED chena
Chiedza chechiedza chekugovera curve chinoshandiswa kuratidza kugoverwa kwechiedza chinobudiswa ne LED kumativi ose enzvimbo. Mumashandisirwo emwenje, kugovera kwesimba remwenje ndiyo inonyanya kukosha data paunenge uchiverenga kujeka kwechiedza chenzvimbo yekushanda uye kurongeka kwenzvimbo yemaLED. Kune LED ine nzvimbo yepasi inotenderera symmetric, inogona kumiririrwa neine curve yendege yedanda axis; kune LED ine elliptical danda, curve yemapapiro maviri akatwasuka eiyo danda axis uye elliptical axis inoshandiswa. Kumiririra asymmetrical yakaoma chimiro, inowanzomiririrwa nendege curve inodarika zvikamu zvitanhatu zveakisi yedanda.
4, iyo spectral simba kugovera kwechena LED
Iyo spectral simba kugovera kweiyo chena LED inomiririra kushanda kwesimba rinopenya sebasa rewavelength. Iyo inosarudza zvese zviri zviviri ruvara rwe luminescence uye inopenya flux uye mavara ekupa index. Kazhinji, kugovera kwesimba kwesimba kunomiririrwa nemavara S(λ). Kana iyo spectral simba inodonha kusvika ku50% yekukosha kwayo pamativi ese epamusoro, mutsauko uripo pakati pemawavelengths maviri (Δλ=λ2-λ1) ibhendi re spectral.
5, tembiricha yemavara uye mavara ekupa index yewhite LED
Kune mwenje sosi senge chena LED inoburitsa mwenje muchena, ma chromaticity coordinates anogona kunyatso ratidza ruvara rwechiedza, asi kukosha chaiko kunonetsa kubatanidza neyakajairwa ruvara rwechiedza. Vanhu vanowanzo taura nezveruvara-ruvara rweorenji-ruvara rutsvuku se "ruvara runodziya", uye iro rinopisa kana zvishoma rebhuruu-ruvara rinonzi "cold color". Naizvozvo, zviri nani kushandisa tembiricha yemavara kuratidza ruvara rwechiedza chechiedza.
7, iyo yekupisa kuita kwechena LED
Kuvandudzwa kwe LED kupenya kupenya uye simba rekuvhenekesa ndeimwe yezvinhu zvakakosha mukusimudzira kwazvino kweindasitiri ye LED. Panguva imwecheteyo, iyo PN junction tembiricha ye LED uye dambudziko rekupisa kupisa kwedzimba rakakosha zvakanyanya, uye rinowanzo kuratidzwa nemaparamita akadai seanopisa kupisa, tembiricha yekesi, uye tembiricha yekusangana.
8, kuchengetedzwa kwemwaranzi kwechena LED
Parizvino, iyo International Electrotechnical Commission (IEC) inoenzanisa zvigadzirwa zve LED nezvinodiwa zve semiconductor lasers yekuongororwa kwekudzivirira kwemwaranzi uye kuratidzira. Nekuda kwekuti LED idanda rakamanikana, kupenya kwepamusoro-kupenya-emitting mudziyo, tichifunga kuti mwaranzi wayo ungave uchikuvadza kune retina yeziso remunhu, chiyero chepasi rose chinotsanangura miganhu uye nzira dzekuyedza dzemwaranzi inoshanda ye LED dzinoshandiswa panguva dzakasiyana. Kuchengetedzwa kwemwaranzi yekuvhenekesa zvigadzirwa zve LED parizvino kuri kuitwa sechinhu chinosungirwa kuchengetedza chinodiwa muEuropean Union neUnited States.
9, kuvimbika uye hupenyu hwechena LED
Kuvimbika metrics anoshandiswa kuyera kugona kwe LEDs kushanda nemazvo munzvimbo dzakasiyana siyana. Hupenyu hwese chiyero chehupenyu hunobatsira hwechigadzirwa che LED uye inowanzoratidzwa maererano nehupenyu hunobatsira kana kuguma-kwehupenyu. Mukushandiswa kwemwenje, hupenyu hunoshanda inguva inotora kuti LED iparare kusvika kuperesenti yekutanga kukosha (yakatarwa kukosha) payakayerwa simba.
(1) Avhareji yehupenyu: Nguva inotorwa kuti batch ye LEDs ivhenekere panguva imwe chete, apo chikamu che LED dzisina kupenya chinosvika 50% mushure mechinguva.
(2) Hupenyu hwehupfumi: Kana uchifunga nezve kukuvadzwa kwe LED uye kudzikisira kwekubuda kwechiedza, iyo yakabatanidzwa inoderedzwa kusvika kune imwe chikamu chenguva, inova 70% yekunze kwemwenje masosi uye 80% yemukati memba.