Ulwakhiwo, umgaqo oLuminous, kunye nezinto eziluncedo kwizibane zemoto ze-LED

Njengesixhobo sokukhanyisa esiyimfuneko ekuqhubeni ebusuku, izibane zemoto ziya zithathwa njengeyona mveliso ithandwayo ngabavelisi beemoto abaninzi ngakumbi ngophuhliso oluqhubekayo lwetekhnoloji ye-LED. Izibane zeemoto ze-LED zibhekisela kwizibane ezisebenzisa iteknoloji ye-LED njengomthombo wokukhanyisa ngaphakathi nangaphandle kwesithuthi. Izixhobo zokukhanyisa zangaphandle zibandakanya imigangatho emininzi entsonkothileyo efana nemida ye-thermal, ukuhambelana kwe-electromagnetic (EMC), kunye novavanyo lokulahla umthwalo. Ezi zibane zeemoto ze-LED aziphuculi nje kuphela umphumo wokukhanyisa kwisithuthi, kodwa kwakhona zenza indawo yangaphakathi ekhululekile.

Ukwakhiwa kwezibane ze-LED
Amacandelo asisiseko e-LED abandakanya ucingo lwegolide, i-chip ye-LED, i-reflection ring, i-cathode wire, i-plastic wire kunye ne-anode wire.
Inxalenye ephambili ye-LED yi-chip eyenziwe nge-p-type semiconductor kunye ne-n-type semiconductor, kwaye isakhiwo esakhiwe phakathi kwabo sibizwa ngokuba yi-pn junction. Kwi-PN ye-junction yezinto ezithile ze-semiconductor, xa inani elincinci labathwali bentlawulo lidibanisa kunye noninzi lwabathwali bentlawulo, amandla angaphezulu akhululwa ngendlela yokukhanya, ukuguqula amandla ombane kumandla okukhanya. Xa i-voltage ejikelezayo isetyenziswe kwi-pn junction, kunzima ukujova inani elincinci labathwali bentlawulo, ngoko ke i-luminescence ayiyi kwenzeka. Olu hlobo lwe-diode eyenziwe ngokusekwe kumgaqo we-injection based luminescence ibizwa ngokuba yi-light-emitting diode, edla ngokufinyezwa njenge-LED.

Inkqubo ekhanyayo ye-LED
Ngaphantsi kokuhamba phambili kwe-LED, abathwali bentlawulo bajojowe, badityaniswe kwakhona, kwaye basasazwa kwi-chip ye-semiconductor kunye namandla amancinci okukhanya. I-chip ifakwe kwi-epoxy resin ecocekileyo. Xa okwangoku idlula kwi-chip, ii-electron ezihlawuliswa kakubi zihamba ukuya kwindawo ehlawulwe kakuhle, apho zidibana khona kwaye ziphinde zihlangane. Zombini ii-electron kunye nemingxuma ngaxeshanye zichitha kwaye zikhulule iifotoni.
I-bandgap inkulu, iphezulu amandla eefotoni ezenziweyo. Amandla eefotoni anxulumene nombala wokukhanya. Kwi-spectrum ebonakalayo, ukukhanya okuluhlaza okwesibhakabhaka kunye nomfusa kunamandla aphezulu, ngelixa ukukhanya oku-orenji kunye nobomvu kunamandla aphantsi. Ngenxa yezithuba zebhanti ezahlukeneyo zezinto ezahlukeneyo, zinokukhupha ukukhanya kwemibala eyahlukeneyo.
Xa i-LED ikwimeko yokusebenza phambili (oko kukuthi ukusebenzisa amandla ombane ohamba phambili), ukuhamba kwangoku ukusuka kwi-anode ukuya kwi-cathode ye-LED, kunye nekristale ye-semiconductor ikhupha ukukhanya kwemibala eyahlukeneyo ukusuka kwi-ultraviolet ukuya kwi-infrared. Ubukhulu bokukhanya buxhomekeke kubukhulu bangoku. I-LED inokuthelekiswa ne-hamburgers, apho i-luminescent material ifana ne "meat patty" kwi-sandwich, kwaye i-electrodes ephezulu nangaphantsi ifana nesonka esinenyama phakathi. Ngokufunda izinto zokukhanya, abantu baye baphuhlisa ngokuthe ngcembe amacandelo e-LED anombala wokukhanya okuphezulu kunye nokusebenza kakuhle. Nangona kukho utshintsho oluhlukeneyo kwi-LED, umgaqo wayo we-luminescent kunye nesakhiwo sihlala singatshintshi. ILebhu yaseJinjian iseke umgca wovavanyo ogquma iitshiphusi kwizibane zokukhanyisa kwishishini le-optoelectronic ye-LED, ibonelela ngezisombululo zokumisa enye ezigubungela yonke imiba ukusuka kwimathiriyeli ekrwada ukuya kwizicelo zemveliso, kubandakanya uhlalutyo lokusilela, ukulinganiswa kwezinto, uvavanyo lweparameter, njl.njl., ukunceda abathengi ukuphucula umgangatho, isivuno, kunye nokuthembeka kweemveliso ze-LED.

Izinto eziluncedo kwizibane ze-LED
1. Ukugcinwa kwamandla: Ii-LED ziguqula amandla ombane ngokuthe ngqo kumandla okukhanya, zidla kuphela isiqingatha sezibane zendabuko, ezinceda ukunciphisa ukusetyenziswa kwamafutha kwaye zigweme umonakalo kwiisekethe zeemoto ngenxa yomthwalo ogqithisiweyo wangoku.
2. Ukukhuselwa kwendalo: I-LED spectrum ayinayo i-ultraviolet kunye nemitha ye-infrared, inokuvelisa ukushisa okuphantsi, akukho mitha, kunye ne-low glare. Inkunkuma ye-LED inokuphinda isetyenziswe, i-mercury ayinangcoliso, ikhuselekile ukuba ingaphathwa, kwaye ingumthombo wokukhanya oluhlaza oqhelekileyo.
3. Ubomi obude: Akukho malungu akhululekileyo ngaphakathi kwesibane somzimba we-LED, ukuphepha iingxaki ezifana nokutsha kwe-filament, i-thermal deposition, kunye nokubola kokukhanya. Ngaphantsi kwangoku kunye ne-voltage efanelekileyo, ubomi benkonzo ye-LED bunokufikelela kwiiyure ezingama-80000 ukuya kwii-100000, ezingaphezulu kwamaxesha angama-10 ubude kunemithombo yokukhanya yendabuko. Ineempawu zokutshintshwa kwexesha elinye kunye nokusetyenziswa kobomi bonke.
4. Ukukhanya okuphezulu kunye nokumelana nokushisa okuphezulu: Ii-LED ziguqula ngokuthe ngqo amandla ombane kumandla okukhanya, zivelise ukushisa okuncinci, kwaye ziyakwazi ukuchukumisa ngokukhuselekileyo.
5. Ubungakanani obuncinci: Abaqulunqi banokutshintsha ngokukhululekileyo ipateni yezibane zokukhanyisa ukunyusa ukuhlukahluka kwesitayela semoto. I-LED ithandwa kakhulu ngabavelisi beemoto ngenxa yeenzuzo zayo.
6. Uzinzo oluphezulu: ii-LED zinomsebenzi oqinileyo we-seismic, zifakwe kwi-resin, aziqhekeki ngokulula, kwaye kulula ukuzigcina nokuthutha.
7. Ucoceko olukhanyayo oluphezulu: Imibala ye-LED icacile kwaye ikhanya, ngaphandle kwesidingo sokuhluza isibane sesibane, kwaye impazamo yamaza okukhanya ingaphantsi kwe-nanometers ezili-10.
8. Ixesha lokuphendula ngokukhawuleza: Ii-LED azifuni ixesha lokuqala elishushu kwaye zinokukhupha ukukhanya kwii-microseconds ezimbalwa, ngelixa iiglobhu zeglasi eziqhelekileyo zifuna ukulibaziseka kwemizuzwana eyi-0.3. Kwizicelo ezifana nezibane, impendulo ekhawulezayo yee-LED inceda ngokufanelekileyo ukuthintela ukungqubana kwangasemva kunye nokuphucula ukhuseleko lokuqhuba.


Ixesha lokuposa: Sep-06-2024