1. Ihe dị ugbu a / voltaji nke LEDs ọcha (nke dị mma na ntụgharị)
Igwe ọkụ na-acha ọcha nwere njirimara PN junction volt-ampere. Ihe dị ugbu a na-emetụta luminance nke LED ọcha na njikọ njikọ PN. A ghaghị ijikọta àgwà nke LEDs ọcha dị mkpa. Na ọnọdụ AC, a ga-atụgharịkwa n'azụ. Njirimara eletriki. Ya mere, a ga-anwale ha maka ọdịda voltaji na-aga n'ihu na nke na-aga n'ihu na ebe a na-arụ ọrụ, yana parampat dị ka ntụgharị mgbagha ugbu a na voltaji ndakpọ.
2. Igwe ọkụ na-egbuke egbuke na ọkụ na-egbuke egbuke nke LED ọcha
Ngụkọta ike electromagnetic nke ọkụ ọkụ na-acha ọcha na-ewepụta na nkeji oge ka a na-akpọ radiant flux, nke bụ ike anya (W). Maka isi iyi ọkụ LED nke na-acha ọcha maka ọkụ, ihe na-echegbu onwe ya bụ mmetụta a na-ahụ anya nke ọkụ, ya bụ, ọnụọgụ ọkụ na-egbuke egbuke nke ìhè na-apụta nke nwere ike ime ka anya mmadụ ghọta, nke a na-akpọ flux luminous. Oke nke radiant flux na ike eletriki ngwaọrụ na-anọchite anya arụmọrụ radieshon nke LED ọcha.
3. Ìhè ike nkesa okirikiri nke na-acha ọcha LED
A na-eji usoro nkesa nkesa ọkụ na-egosi nkesa nke ọkụ ọkụ na-agbapụta n'akụkụ niile nke oghere ahụ. N'ime ngwa ọkụ, nkesa ọkụ ọkụ bụ data kachasị mkpa mgbe ị na-agbakọ ịdị n'otu ìhè nke elu ọrụ na nhazi oghere nke LEDs. Maka ikanam nke oghere oghere ya na-agbanwe agbanwe, enwere ike ịnọchite anya ya site na mgbanaka nke ụgbọ elu nke axis beam; maka LED nwere eriri elliptical, a na-eji usoro nke ụgbọ elu abụọ kwụ ọtọ nke axis beam na elliptical axis. Iji nọchite anya ọnụ ọgụgụ dị mgbagwoju anya asymmetrical, ọ na-anọchi anya ya site na mkpuru ụgbọ elu nke karịa akụkụ 6 nke axis beam.
4, ike nkesa nke LED ọcha
Ike nkesa nke ọkụ ọkụ na-acha ọcha na-anọchi anya ọrụ nke ike na-egbuke egbuke dị ka ọrụ nke ogologo ogologo. Ọ na-ekpebi ma agba nke luminescence na nchapụta ya na ndeksi nsụgharị agba. N'ozuzu, ihe nkesa ike spectral bụ nke ederede S(λ). Mgbe ike nlegharị anya na-adaba na 50% nke uru ya n'akụkụ abụọ nke ọnụ ọgụgụ kasị elu, ọdịiche dị n'etiti ogologo wavelength abụọ (Δλ = λ2-λ1) bụ band spectral.
5, agba okpomọkụ na agba na-enye index nke LED ọcha
Maka isi iyi ọkụ dị ka ọkụ ọkụ na-acha ọcha nke na-ebunye ọkụ na-acha ọcha nke ukwuu, nhazi chromaticity nwere ike gosipụta n'ụzọ ziri ezi ụcha ọkụ ahụ, mana uru ahụ akọwapụtara siri ike ijikọ na nghọta agba agba. Ndị mmadụ na-ezokarị aka na agba oroma-acha uhie uhie na-acha ọkụ dị ka "agba na-ekpo ọkụ", na ndị na-enwu ọkụ ma ọ bụ na-acha anụnụ anụnụ ka a na-akpọ "agba oyi". Ya mere, ọ bụ ihe nghọta karịa iji okpomọkụ agba iji gosi agba ọkụ nke isi iyi.
7, arụmọrụ thermal nke LED ọcha
Ọganihu nke arụmọrụ ọkụ LED na ike maka ọkụ bụ otu n'ime isi okwu na mmepe nke ụlọ ọrụ LED ugbu a. N'otu oge ahụ, PN junction okpomọkụ nke LED na nsogbu ikpo ọkụ nke ụlọ dị mkpa karịsịa, ma na-egosipụtakarị ya site na paramita dị ka nguzogide okpomọkụ, ọnọdụ okpomọkụ, na nkwụsịtụ okpomọkụ.
8, nchekwa radieshon nke LED ọcha
Ka ọ dị ugbu a, International Electrotechnical Commission (IEC) na-ejikọta ngwaahịa LED na ihe achọrọ nke lasers semiconductor maka nyocha nchekwa radieshon na ngosipụta. N'ihi na LED bụ warara dị warara, ngwaọrụ na-enye ìhè dị elu, na-atụle radieshon ya nwere ike imerụ anya retina mmadụ, ụkpụrụ mba ụwa na-akọwapụta oke na ụzọ nnwale maka radieshon dị mma maka LEDs ejiri n'oge dị iche iche. A na-emejuputa nchekwa nchekwa radieshon maka ngwaahịa ọkụ ọkụ ugbu a dị ka ihe nchekwa amanyere amanyere na European Union na United States.
9, ntụkwasị obi na ndụ nke LED ọcha
A na-eji metrik ntụkwasị obi tụọ ike nke LED ka ọ rụọ ọrụ nke ọma na gburugburu ebe dị iche iche. Oge ndụ bụ ihe atụ nke ndụ bara uru nke ngwaahịa LED ma na-egosipụtakarị ya na ndụ bara uru ma ọ bụ njedebe nke ndụ. N'ime ngwa ọkụ ọkụ, ndụ dị irè bụ oge ọ na-ewe maka LED na-emebi emebi na pasent nke uru mbụ (ọnụahịa akọwapụtara) na ike kwadoro.
(1) Nkezi ndụ: Oge a na-ewe maka ogbe nke LED na-enwu n'otu oge, mgbe oke nke ọkụ ọkụ na-egbuke egbuke ruru 50% mgbe oge ụfọdụ gasịrị.
(2) Ndụ akụ na ụba: Mgbe ị na-atụle ma mmebi LED na attenuation nke mmepụta ọkụ, a na-ebelata mmepụta ihe n'ime oge ụfọdụ, nke bụ 70% maka isi ọkụ n'èzí na 80% maka isi mmalite ọkụ.