LED ic Chip

Ngena kwihlabathi leIziboniso ze-LED, apho ipixel nganye iphila ngamandla ee-chips ze-LED IC. Yiba nomfanekiso wabaqhubi abakroliweyo kunye nabaqhubi bekholamu basebenza kunye ngaphandle komthungo ukwenza imifanekiso emangalisayo etsala abaphulaphuli kufutshane nakude.

Ukusuka enkuluiibhodi zentengiso zangaphandlekwimiboniso yevenkile etsala amehlo kunye nezikrini ze-sleek zangaphakathi, iitshiphusi ze-IC zomqhubi we-LED ngamagorha angavunywanga emva kwemiboniso. Bangamandla okuqhuba aqinisekisa ukuba ipixel nganye ikhanya ngokuqaqambileyo, nokuba ngumbala omnye, umbala omibini, okanye umbala opheleleyo.

Kodwa zenza ntoni ezi chips?

Yintoni i-LED IC Chip?

Ehlabathini lombala ogcweleyoIziboniso ze-LED, indima ye-LED IC chip ilula kodwa ibalulekile: ukufumana idatha, ukuvelisa izibonakaliso ezichanekileyo ze-PWM, kunye nokulawula ukuhamba kwangoku ukukhanyisa i-LED nganye ngokuchanekileyo. Ngumdibaniso ohambelanayo wetekhnoloji, ulungelelanisa ulungelelwaniso olufanelekileyo lokuqaqamba kunye namazinga okuhlaziya ukuzisa imifanekiso ebomini.

Kwaye ke kukho ii-ICs ze-peripheral-amaqhawe angabonakaliyo afaka ubunzulu kunye nobukhulu kumboniso. Ukusuka kwi-logic ye-ICs ukuya kwi-MOS switch, zizithako eziyimfihlo eziphakamisa amava okubonwayo ukuya kumanqanaba amatsha.

Ayizizo zonke iitshiphusi ze-LED ze-IC ezenziwe ngokulinganayo. Ezinye ziyilelwe ukusetyenziswa ngokubanzi, ngelixa ezinye zilungelelaniselwe usetyenziso oluthile. Yinkangeleko yomhlaba yamathuba angapheliyo, apho ukuqamba izinto ezintsha kunye nokuyila kudibanisa ukwenza imiboniso enomtsalane kwaye imangalise.

Ngoku, faka ihlabathi leetshiphusi ezikhethekileyo-imimangaliso eyenziwe ngokwezifiso evula amandla apheleleyo e-LED izikrini zokubonisa. Nantsi i-scoop: Itekhnoloji ye-LED isebenza ngendlela yayo ekhethekileyo. Ngokungafaniyo nezixhobo zemveli, ii-LED zixhomekeke ekuhambeni ngokuzinzile kwangoku, kungekhona utshintsho lombane.

Apha kulapho iitshiphusi ezikhethekileyo zikhanya khona. Injongo yabo? Ukubonelela ngomthombo wangoku oqhubekayo. Kutheni oko kubalulekile? Umsinga ozinzileyo uthetha uzinzileii-LEDs, kunye nee-LED ezizinzileyo zithetha izinto ezibonakalayo ezingenasiphako ezenza i-mesmerize kwaye ichukumise.

Ezi chips ze-IC ze-LED zikude kunesiqhelo. Abanye beza neempawu ezongezelelweyo ezilungiselelwe amashishini athile, njengokubonwa kwempazamo ye-LED, ulawulo lwangoku, kunye nokulungiswa kwangoku, ukongeza umaleko owongezelelweyo wokuchaneka.

Imbali ye-LED IC Chip

Thatha uhambo olubuyela kwiminyaka yee-1990, xa izikrini ze-LED zaziqala ukufumana amandla. Ngelo xesha, konke kwakumalunga nokuboniswa kombala omnye kunye nombini, kunye ne-ICs eqhubekayo yomqhubi we-voltage kwi-helm.

Emva koko, ngo-1997, utshintsho olukhulu lwenzeka xa i-China yazisa i-9701-isixhobo esikhethekileyo sokuqhuba kunye nokulawula i-chip.Umboniso we-LEDizikrini. Ngokutsiba okumangalisayo ukusuka kumanqanaba e-16 engwevu ukuya kwi-8192 emangalisayo, le chip yaguqula ukucaca kwevidiyo, ijika "into oyibonayo yile nto uyifumanayo" ibe yinyani ebonakalayo.

Njengoko itekhnoloji ye-LED iqhubela phambili, benjenjalo nabaqhubi abayinika amandla. I-drive eqhubekayo yangoku ngokukhawuleza yaba ngumgangatho we-LED-color-color displays, ukulungelelanisa ngokugqibeleleyo kunye neempawu ezizodwa zee-LED. Ngokukhula kwemfuno, ukudityaniswa kwandiswe, kunye ne-16-channel drives ngokukhawuleza igqithise i-8-channel yangaphambili.

Ukukhawuleza ukuya namhlanje, apho i-innovation iqhubeka nokuphula imida. Ukusombulula imingeni ye-PCB yocingo kwi-pixel encinci ye-LED, abavelisi be-IC batyhala imida kunye ne-48-channel ye-LED edibeneyo ye-chips yangoku yomqhubi. Luphawu lwehlabathi elihlala livela letekhnoloji ye-LED, apho ekuphela komqobo kuyintelekelelo yethu.

Izalathi ze-LED ze-IC Chip Performance

Masingene entliziyweni yezikrini zokubonisa i-LED, apho izikhombisi zokusebenza eziphambili ezifana nezinga lohlaziyo, i-grayscale, kunye nokubonakala komfanekiso kuthatha indawo esembindini. Khawube nomfanekiso-ngqondweni woku: ukudibanisa okuhambelanayo kokungaguquguquki okuphezulu kwangoku, unxibelelwano olukhawulezayo, kunye nesantya esikhawulezayo sokuphendula sangoku-zonke zisebenza kunye ukwenza izinto ezibonwayo eziphefumlayo ezithimba ababukeli.

Kwixesha elidlulileyo, ukufikelela kwimvisiswano egqibeleleyo phakathi komyinge wokuhlaziya, i-grayscale, kunye nenqanaba losetyenziso yayiyinjongo enzima. Ukulungelelana kwafuneka kwenziwe-mhlawumbi imilinganiselo yokuhlaziya iyancipha, ibangele imigca emnyama engathandekiyo kwiifoto zekhamera zesantya esiphezulu, okanye i-grayscale ihlupheke, ekhokelela ekukhanyeni kombala okungahambelaniyo.

Ngena kwixesha leempumelelo zetekhnoloji. Ngombulelo kwizinto ezintsha ezivela kumqhubi we-IC abavelisi, into eyayingenakwenzeka iye yaba yinyani. Amazinga aphezulu okuhlaziya, umbala ongwevu ongenasiphako, kunye nokukhanya kombala oqaqambileyo ngoku zihleli ngaphandle komthungo, zivula indlela yemiboniso eshiya abaphulaphuli bemangalisiwe.

Kwimiboniso ye-LED enombala ogcweleyo, ukuthuthuzela komsebenzisi kubaluleke kakhulu. Yiyo loo nto ukufikelela kwibhalansi ethambileyo yokuqaqamba okuphantsi kunye negreyscale ephezulu ibe lolona vavanyo lokugqibela lokuqhuba ukusebenza kwe-IC. Kububungqina bokunganikezeli ekusukeleni ukugqwesa kwihlabathi elihlala lihambela phambili lobuchwephesha be-LED.

Iinzuzo zokusebenzisa i-LED IC Chip

Xa usebenzisa i-chip ye-LED IC, kukho izinto ezininzi ezintle onokuzonwabela kwaye uzuze kuzo. Nazi ezinye zezinto ekufuneka uzithathele ingqalelo:

Amandla Onga Amandla

Masikhanyise ekusukeleni ukusebenza kakuhle kwamandla kwiziboniso ze-LED-uhambo apho inguqulelo entsha idibana nozinzo, kwaye yonke iwatt ibalulekile.

Kwihlabathi lamandla ohlaza, ukonga amandla ayiyonjongo nje; yindlela yobomi. Xa kuziwa kwimiboniso ye-LED, ukusebenza kwee-ICs zokuqhuba kuxhomekeke kumandla abo okunciphisa ukusetyenziswa kwamandla ngaphandle kokuncama umkhiqizo.

Ngoko bakuphumeza njani oku? Konke kukujongana nokonga amandla kwii-engile ezimbini eziphambili:

Okokuqala, kugxilwe ekunciphiseni i-voltage yangoku ye-inflection point. Ngokunciphisa unikezelo lwamandla lwe-5V lwemveli ukuya ngaphantsi kwe-3.8V, ukuqhuba ii-ICs kuvula indlela yokusetyenziswa kwamandla ngokufanelekileyo.

Abavelisi bayithatha inyathelo eliya phambili ngobuchule be-algorithm tweaks kunye nokulungiswa koyilo. Abanye baye bazisa ii-ICs zokuqhuba eziqhubekayo kunye ne-voltage eguqukayo ephantsi kakhulu ye-0.2V kuphela-ukunyusa amazinga okusetyenziswa kwe-LED ngaphezulu kwe-15% kunye nokunciphisa umbane wombane nge-16 ephawulekayo.

Kodwa nantsi i-twist: ukonga amandla akukhona nje ukusika iikona-kumalunga nokuchaneka. Ngokunikezela amandla ngokwahlukeneyo kwiintsimbi zesibane ezibomvu, eziluhlaza, neziluhlaza okwesibhakabhaka, ukuqhuba ii-ICs ziqinisekisa ukuba i-voltage kunye neyangoku isasazwa ngokuchanekileyo ngotyando. Isiphumo? Ukucutha ukusetyenziswa kwamandla, ukunciphisa ukuveliswa kobushushu, kunye nekamva eliqaqambileyo kwiziboniso ze-LED.

Ukufuna ukwanelisa umbane ayilohambo nje — yinguquko. Kwaye ngempumelelo nganye, sisondela kwi-intshi eluhlaza, ezinzileyo ngomso.

Ukudityaniswa okugqwesileyo

Khawufane ucinge ungena kwihlabathi lezikrini zokubonisa i-LED, apho ipixel nganye ipakisha ipunch kunye necandelo ngalinye libalulekile. Njengoko isithuba se-pixel sincipha ngesantya esikhawulezayo, inani lezixhobo zokupakisha kwindawo nganye yeyunithi liyenyuka, lidala ingxinano edizzy yezixhobo kumphezulu wokuqhuba weemodyuli ze-LED.

Thatha i-P1.9encinci-pixel LEDnjengomzekelo. Ngeeskena zayo ezili-15 kunye nemodyuli ye-160 × 90, ifuna i-ICs ye-ICs eqhubekayo ye-180, iityhubhu ze-45 kunye ne-138 ezimbini. Zininzi izixhobo ezipakishwe kwindawo exineneyo, ukuguqula iingcingo zePCB zibe ngumdlalo ophezulu weTetris.

Ngokuntsokotha okukhulu kuza nomngcipheko omkhulu. Izinto ezixineneyo zipela ingxaki, ukusuka kwiiwelds ezibuthathaka ukuya ekuncipheni kokuthembeka kwemodyuli-yikes! Ngenisa amaqhawe eyure: umqhubi ophezulu wokudibanisa ii-ICs. Ngee-IC ezimbalwa ezifunekayo kunye nendawo enkulu yocingo yePCB, ezi chips zihlangabezana nemfuno ekhulayo yoyilo olusebenzayo, oluthembekileyo.

Namhlanje, ababoneleli be-chip be-LED be-IC baphendula umnxeba, bekhupha i-48-channel ye-LED ehlala iqhuba iitshiphusi zangoku ezipakisha i-punch enkulu. Ngokudibanisa iisekethe ze-peripheral ngqo kwi-IC wafer, zilungelelanisa uyilo lwePCB kwaye zibeke ecaleni iintloko ezibangelwa kukungangqinelani kwezobunjineli.

Ukuqukumbela

Ehlabathini lemiboniso ye-LED, apho i-innovation idibana nokucinga, i-chip ye-LED IC ethobekileyo imele njengeqhawe elingenakulinganiswa. Ezi chips zenza i-symphony yeepikseli, ziqinisekisa ukuba wonke umbala, zonke iinkcukacha, zikhanya ngokukhanya okucacileyo. Nokuba ziibhodi eziphakamileyo zangaphandle okanye izikrini ezithambileyo zangaphakathi, iitshiphusi zomqhubi we-LED zenza umqolo wamava okubonwayo athi athabathe abaphulaphuli kwihlabathi liphela.

Ke, yintoni eyahlula ezi chips? Zakhelwe ukuziqhelanisa kwaye ziguquke kunye namaxesha. Ukusukela kwiintsuku zobuvulindlela zokuboniswa kombala omnye kunye nombini ukuya kwitekhnoloji ephucukileyo esinayo namhlanje, iitshiphusi ze-LED ze-IC zihleli kumda wokuyila. Bayitshintshile indlela esifumana ngayo imbonakalo, singenisa ixesha apho ipixel nganye ibalisa ibali kwaye umboniso ngamnye wenza ukuntywila, amava aguqukayo.