I-COB LED vs i-SMD LED: Ukukhanya, Ukusebenza kakuhle kunye nexabiso xa kuthelekiswa nentloko nentloko

Intshayelelo

Ukukhanyisa kwaqala njengesixhobo esilula sokhuseleko lwasebusuku. Namhlanje, injongo yako yande kakhulu. Ngaphaya kokubonakala nje, ukukhanya ngoku kulawula imeko yendawo, kuqhuba ubuhle bezakhiwo, kwaye kuqaqambisa iziganeko.

Olu tshintsho luxhomekeke ngokupheleleyo kubuchwepheshe bale mihla. Sitshintshe ukusuka kwimililo esisiseko ukuya kwizixhobo zombane eziphambili (ii-semiconductor-based Light Emitting Diodes, okanye ii-LED). Ezi zibane zanamhlanje zisebenza kakuhle kakhulu. Zisebenzisa inxenye yamandla eebhalbhu ezindala ze-incandescent kwaye zihlala ixesha elide kangangezihlandlo ezingama-25.

Nangona zixhaphake kakhulu, kusekho ukungaqiniseki malunga neli gama. Enye into eqhelekileyo yokungaqondi kakuhle kukuthelekisa i-LED eqhelekileyo ne-SMD ngokungathi ziiteknoloji ezahlukeneyo ngokupheleleyo. Ukuze kucace, isixhobo esifakwe ngqo kumphezulu webhodi yesekethe (i-SMD okanye isixhobo esifakwe kumphezulu) luhlobo oluthile lwe-LED. Eli gama livela kakhulu kwindlela itshiphu epakishwa kwaye ibekwa ngayo ebhodini.

Okwangoku, imakethi yokukhanyisa ilawulwa ziindlela ezimbini eziphambili zokupakishwa kwezi zibane:

● ISMD Indlela: Le ndlela itshintshe ngokupheleleyo ishishini kuba yenza imveliso ngobuninzi ibe nempumelelo kakhulu. Ivumele iintlobo ngeentlobo zeenketho zemibala.

● ICOB Indlela: Njengendlela yokusebenza ephezulu, abavelisi baqalise ukufaka iitships ezininzi zokukhanya ngokuthe nkqo ngqo kwisiseko esinye (iChip-on-Board, okanye iCOB). Olu yilo luxatyiswa kakhulu kuba ludala indawo ekhanyayo nexineneyo yokukhanyisa.

Kweli nqaku, siza kuthelekisa ezi teknoloji zimbini size sibone ukuba loluphi ukhetho olufanelekileyo kwiindlela ezahlukeneyo zokusetyenziswa.

Ukuqonda iTekhnoloji ye-SMD LED

Indlela Ezakhiwa Ngayo Izibane

Ezi zibane zenziwa ngokuncamathisela iitships zokukhanya ngazinye ngqo kumphezulu obizwa ngokuba yiPrinted Circuit Board, okanye iPCB. Azisebenzisi imilenze emidala, yesinyithi edlula ebhodini kwaye ifuna ukunyibilikiswa okuntsonkothileyo.

Endaweni yoko, oomatshini babeka ngokukhawuleza iindawo ngqo kumphezulu besebenzisa iSurface-Mount Technology, okanye i-SMT. Oku kuvumela ukwenziwa ngokukhawuleza nangokuchanekileyo. Ezi ndawo zivalelwe ngokusisigxina endaweni yazo kusetyenziswa inkqubo yokufudumeza enyibilikisa isinyithi kwizinto ezidityanisiweyo. Ubushushu kunye noxinzelelo zibopha iindawo zonxibelelwano ebhodini ezibizwa ngokuba zii-solder pads. Iyunithi nganye yokukhanya encinci idla ngokubamba ii-diode ezikhupha ukukhanya ezizimeleyo ukuya kwezithathu. Ezi zihlala zibomvu, ziluhlaza, kwaye ziluhlaza okwesibhakabhaka. Zonke zigcinwe ngaphakathi kwebhokisi enye yeplastiki.

Ukusebenza kakuhle kunye nokusebenza kakuhle kweMveliso

Ngokweembono zoshishino, ukusebenzisa oomatshini abazenzekelayo ukwakha izibane ezinee-IC ezidityanisiweyo kuphumelele kakhulu. Le ndlela ifikelela kwizinga lemveliso elingenasiphako elingaphezulu kwe-99.5%. Olu luphuculo olukhulu ngaphezu kwe-92% yesivuno esibonwa kwiinkqubo zokufudumeza eziqhelekileyo.

Ezi modules ziphucukileyo nazo zikhawuleza kakhulu. Zinokutshintsha ixesha lazo lokukhanya okanye lokuphendula ngokufiphala ngaphantsi kwe-100 nanoseconds. Esi santya sidlula ngokulula amalungiselelo e-analog aqhelekileyo. Zisebenzisa amandla kakuhle kakhulu ngenxa yobukhulu bazo obuncinci. Iimodeli zamandla aphezulu, ezifana ne-5730, zikhanyisa ukukhanya okuqaqambileyo kwamandla asetyenzisiweyo. Zinokuba nokusebenza okukhanyayo okuya kuthi ga kwi-240 lumens nge-watt nganye.

Ukwehla kokusebenza kakuhle

Nangona ukukhanya kwanamhlanje kuphucuke kakhulu, kusajongene nemida ethile ebonakalayo. Ungalindela ukuba ukondla umbane omninzi ekukhanyeni kuya kubangela ukukhanya okukhulu ngokulinganayo. Nangona kunjalo, ngokwenene, ubungakanani bokukhanya obuveliswayo nge-watt nganye buyancipha njengoko utyhala umbane omninzi. Le nto ibizwa ngokuba yi-efficiency droop. Isizathu esiphambili sokulahleka kokusebenza kakuhle yinkqubo ethile ye-athomu ebizwa ngokuba yi-Auger recombination. Kwimeko enjalo, amandla ayachithwa ngaphakathi endaweni yokuba akhutshwe njengokukhanya.

Iimpawu eziphambili zoYilo kunye neMiphumo ebonakalayo

Ezi zibane zisebenza ngeendlela ezahlukeneyo kwaye ziza ngobukhulu obahlukeneyo. Iimodeli eziqhelekileyo ziquka i-2835, i-3528, kunye ne-5050. La manani abhekisa kuphela kubukhulu bawo obubonakalayo ngeemilimitha. Umzekelo, i-2835 ithetha ubungakanani obuyi-2.8 mm nge-3.5mm. Ngenxa yokuba izinto ezininzi zokukhanya zipakishwe kwibhokisi enye, zivelisa ngokulula imveliso yemibala emininzi okanye i-RGB (eBomvu, eLuhlaza, eLuhlaza okwesibhakabhaka). Iinkqubo zolawulo zanamhlanje zivumela ulawulo lwento nganye encinci ngokuzimeleyo.

Zisebenza njengeendawo ezixineneyo kakhulu zemithombo yokukhanya okanye yokukhanya okuphambili. Oku kuzenza zikhanye kakhulu. Nangona kunjalo, ukuba uzijonga umgama okufutshane, unokubona amachaphaza okukhanya kunye nokukhanya kwe-pixel. Uninzi lwezi zibane zisasaza umsebe wazo ngokubanzi, ngesiqhelo phakathi kwe-140° kunye ne-160° beam angle. Nangona kunjalo, ezinye iinguqulelo ezikhethekileyo zityhala ukukhanya ngaphandle ecaleni, ngokulandelelana nebhodi. Ezi zisetyenziswa kwizikrini ezincinci kakhulu. Ezi zibane kulula ukuzilungisa. Ukuba i-bead enye yesibane iyasilela, ngesiqhelo unokutshintsha loo nto. Akunyanzelekanga ukuba ulahle yonke imodyuli.

Ukuhlola iTekhnoloji ye-COB LED

Indlela Izibane zeCOB Ezakhiwa Ngayo

Uyilo lwe-COB lusebenzisa indlela eyahlukileyo kwiimodeli ezindala. Endaweni yokunika ukukhanya ngakunye iindawo zalo kunye neefreyimu ze-lead, luncamathisela iitships ezininzi zokukhanya ezingenanto ngqo kumaleko osisiseko. Luhle kakhulu ekususeni ubushushu, njenge-ceramic okanye i-silicon carbide.

Ivumela abavelisi ukuba banike uxinano oluphezulu xa kuthelekiswa nezibane ze-SMD. Lonke iqela leetships ligqunywe ngomaleko omnye, ogudileyo wezinto ezikhethekileyo ze-phosphor. Iguqula ukukhanya okuluhlaza okwesibhakabhaka kube ngubushushu obumhlophe obuhambelanayo. Nangona inee-diode ezininzi, ukuseta kombane kulula kakhulu. Isebenzisa indlela enye yombane kunye neendawo ezimbini zonxibelelwano.

Ingcaciso Ephakamileyo kunye noLawulo loBushushu

Ngokwembono yoshishino, le ndlela yokufakela ngokuthe ngqo ivumela amachaphaza amancinci okukhanya ukuba abekwe kufutshane kakhulu. Iipitshi zepikseli (umsantsa) phakathi kwala machaphaza zinokuba zilungile njengeP0.4. Olu sondelelwano lubaluleke kakhulu ekudaleni izibonisi ze-4K kunye ne-8K ezicacileyo kakhulu.

Enye ingqiqo ibonisa inzuzo enkulu yobushushu. Ngenxa yokuba iitships zincamatheliswe ngqo kwisiseko kusetyenziswa iglue yobushushu, umqobo owongeza ukumelana nobushushu uyancitshiswa. Oku kuvumela ubushushu ukuba buhambe ngokukhawuleza nangokulula kude nokukhanya buze bungene kwisinki yobushushu yangaphandle.

Umgangatho Wokubonakalayo kunye Nentuthuzelo

Indlela ezi zibane ezimile ngayo zizenza zisebenze njengokukhanya okusasazekayo kunamachaphaza ngamanye. Zivelisa ukukhanya okuthambileyo nokugudileyo okususa ngokupheleleyo izithunzi eziqatha. Zenza inkangeleko "enamachaphaza" yemigca yokukhanya endala ingasebenzi. Ukukhanya okugudileyo kulungile kwiindawo zobungcali kuba kulula emehlweni nangona sele kusetyenziswe ixesha elide.

Le teknoloji ikwavumele ukusetyenziswa kwee-flip chips ezikhethekileyo. Olu phuculo luqinisekisa ukuba ukukhanya kuhlala kukhanya kwaye kubonakala nokuba kujongwa kwii-engile ezigqithisileyo, kunye ne-engile yokujonga ehambelanayo ye-170 degrees.

Ukuqina kunye nokuthembeka

Uyilo oluqinileyo, olupheleleyo lubonelela ngokhuseleko olugqwesileyo kwihlabathi langaphandle. Ezi yunithi ziyakwazi ukumelana nemingeni ebonakalayo efana nokungena kwesanti namanzi. Zihlala zinereyithingi ye-IP65 ukuya kwi-IP68. Ngenxa yokuba iitships zigqunywe ngokupheleleyo, amandla azo okumelana nokuchaphazeleka anamandla aphindwe kahlanu kunezibane ze-SMD. Oku kuzenza zithembeke kakhulu kwiindawo ezixakekileyo, ezinabantu abaninzi.

Ingqiqo yoshishino igxininisa indlela ezithembeke ngayo. Inani leeyunithi ezingasebenziyo kwisigidi (iFailure Rate okanye i-ppm) kwezi modyuli lidla ngokuba ngaphantsi kwe-50 ppm. Ngokwahlukileyo koko, ii-SMD light beads eziqhelekileyo zihlala zingasebenzi ngesantya se-200 ukuya kwi-500 ppm.

Itheyibhile yokuthelekisa phakathi kwentloko nentloko: I-COB LED vs i-SMD LED

Izicelo ezithile kwiTekhnoloji ye-SMD

Ixesha lokukhetha iTekhnoloji ye-SMD

Xa ufuna ukukhanya okugqithisileyo, ukuguquguquka, kunye nokusebenza kakuhle kweendleko kwiprojekthi yakho yokukhanyisa, izibane ze-surface-mount (SMD) zezona zilungileyo.

● Ukusetyenziswa Kwangaphandle Nemicimbi: Ziyakwazi ukukhanya okuphezulu kakhulu ukuya kuthi ga kwi-10,000+ nits. Oko kwenza ukuba zingabi yinto engaqhelekanga kwiibhodi zentengiso zangaphandle elangeni ngqo. Zikwalungele ukuqeshisa izixhobo kunye nemicimbi ebukhoma efuna ukuseta rhoqo kunye nokuchithwa. Zisisombululo esifanelekileyo sokuhambahamba njengoko zinokulungiswa.

● Imozulu kunye noHlahlo-lwabiwo mali: Ukuba ufuna ukukhanya okuhombisayo, ii-SMD zilungele izibane ezibonisa ingxolo kunye neendawo zekaraoke (ii-KTV). Ziyakwazi ukuvelisa izigidi zemibala zisebenzisa ukuxuba i-RGB. Kwiiprojekthi eziqhelekileyo, zibonelela ngomxube ofanelekileyo wokusebenza okuqhelekileyo kunye neendleko zokuqala eziphantsi.

Ulwazi ngee-LED ze-SMD

Xa ukhetha iimodeli ezithile, iitships ezingama-3528 zezona zingcono kakhulu kwiimfuno zombala omnye. Nangona kunjalo, ukuba ufuna ukukwazi ukutshintsha imibala, iitships ezingama-5050 zezona zilungileyo. Ukuba iprojekthi yakho ifuna ukukhanya kwehlabathi okungama-360°, kufuneka usebenzise iifilaments ze-LED ezikhethekileyo. Ezi ziitships zeSMD eziqhelekileyo ezisebenza ngamandla aphantsi.

Izicelo ezithile kwiTekhnoloji ye-COB

Ixesha lokukhetha iTekhnoloji yeCOB

Izibane zeCOB ziyindlela egqwesileyo yokukhetha kwiindawo zobungcali, imiboniso ebonakalayo ephezulu, kunye nomsebenzi wemizi-mveliso onzima.

● Iiskrini zePremium kunye neeDisplay: Amagumbi osasazo kunye nolawulo afuna iteknoloji ye-COB kuba umthombo wokukhanya okungaphezulu ubonelela ngemifanekiso "esemgangathweni wobugcisa". Azikhathazi amehlo. Iivenkile ezithengisa izinto ezikumgangatho ophezulu nazo ziyawasebenzisa kwiidisplay zodidi. Zisebenzisa umphezulu ongenamthungo kunye nomnyama onzulu.

● Ukusetyenziswa kweMizi-mveliso kunye neZinto eziQinisekisiweyo: Ukusetyenziswa okunzima, amandla aphezulu e-COB okumelana nobushushu kunye nokuqina kwenza ukuba ifaneleke kakhulu kwizixhobo ezinde zangaphandle. Ezi zihlala zisetyenziswa kwizibane zasezitratweni eziphezulu kunye nemigangatho yefektri eshushu. Ngokwembonakalo, lolona khetho lufanelekileyo lwezibonisi ze-4K ezinesisombululo esiphezulu apho izithuba ze-pixel kufuneka zingabonakali ngokupheleleyo kubantu abame kufutshane.

Ulwazi lweShishini lwe-COB

Iingcali zijonga itekhnoloji ye-COB njengekamva leshishini lokukhanyisa nokubonisa kuba isebenza njengesiseko sokudala isizukulwana esilandelayo sezibane ezincinci. Lukhetho olufanelekileyo kakhulu lokukhanyisa okuphezulu. Uyilo luvumela abavelisi ukuba bapakishe isixa esikhulu sokukhanya kwisibane esincinci kakhulu ngaphandle kokonakalisa umgangatho wemitha.

Isiphelo

Ukukhetha phakathi kwezi teknoloji zimbini zokukhanyisa kuxhomekeke ngokupheleleyo kwizinto eziphambili kwiprojekthi yakho. Uyilo lwe-SMD luhlala luyindlela eqinisekisiweyo yeempawu zorhwebo kunye nemihombiso etshintsha imibala eqaqambileyo. Ikwalungele iiprojekthi ezingabizi kakhulu apho izibane kufuneka kube lula ukuzilungisa.

Kwelinye icala, i-COB yeyona ndlela ingcono yotyalo-mali ukuba ufuna ukusebenza okuphezulu ngokubonakalayo. Inika ukukhanya okungenamthungo, ukuqina okuphezulu, kunye neenkcukacha ezibukhali zesikrini.

Xa usenza isigqibo sakho, khetha umenzi olawula inyathelo ngalinye lenkqubo yokuvelisa. Ukulawula yonke inkqubo kubalulekile ukuqinisekisa umgangatho ohambelanayo. Oku kuyinyani ngakumbi ngexesha lenyathelo elithambileyo lokufakwa kwe-LED. Nokuba wakha igumbi lokulawula eliphezulu elinezikrini ze-COB zobungcali okanye ufuna indawo engabizi kakhulu, ekhanyayo kakhulu (i-lumen ephezulu) Imicu ye-SMD yokwakha ngaphandle, Glamor Lighting ibonelela ngezisombululo ezahlukeneyo eziqinisekisiweyo nezikhuselweyo ngokusemthethweni (ezikhuselweyo lilungelo elilodwa lomenzi).

Ungahlola Uthotho lwe-COB LED Strip Light ukuze ufumane ukukhanya okugudileyo nokuqhubekayo. Okanye, ungajonga izibane zethu ezineetships zokulawula ezakhelwe ngaphakathi ezibizwa ngokuba yi Uthotho lwe-IC LED Strip oluqhubekayo ukuze kukhanyiswe ngombane zorhwebo ngendlela esebenza kakuhle kakhulu. Qhagamshelana nawe Namhlanje ukuze ufumane ikowuteshini eyenzelwe wena ngokugqibeleleyo ngokweemfuno zakho zobungcali.

Imibuzo ebuzwa rhoqo

1. Yintoni umahluko omkhulu phakathi kwee-LED ze-SMD kunye ne-COB?

Izibane ze-SMD zineetships ezahlukeneyo ezifakwe ngokwahlukeneyo ebhodini. Zilungele ukutshintsha imibala. Izibane ze-COB zidibanisa iitships ezininzi ndawonye phantsi kwengubo enye. Oku kudala iphaneli yokukhanya egudileyo neqinileyo engenamachaphaza abonakalayo.

2. Loluphi uhlobo lwe-LED olukhanyayo nolusebenza kakuhle?

Izibane ze-COB zihlala zisebenza kakuhle kakhulu. Zivelisa ukukhanya okungakumbi ngelixa zisebenzisa amandla amancinci. Zikwalawula ubushushu ngcono kakhulu. Nangona kunjalo, izibane ze-SMD zisabonelela ngokukhanya okukhulu kwaye zifanelekile kwiimboniso ezininzi eziqhelekileyo kunye neempawu zangaphandle.

3. Ngaba kulula ukulungisa ezi zibane ukuba ziyaphuka?

Izibane ze-SMD kulula kwaye zingabizi ukuzilungisa. Ukuba isibane esinye esincinci siyasilela, utshintsha eso sixhobo sithile kuphela. Izibane ze-COB azilungiswa lula. Ukuba i-pixel iyaphuka, kufuneka utshintshe ibhodi yonke. Nangona kunjalo, iiyunithi ze-COB zakhiwe ngokuqinileyo kwaye zihlala ixesha elide ngaphambi kokuba zisilele.