Babi na biyu: Direban LED, sashi na biyu mafi mahimmanci don nunin jagora.
Idan fitulun LED da aka yi la'akari da su a matsayin jikin mutum, to, direban nunin LED IC wani muhimmin sashi ne kamar tsarin juyayi na tsakiya na kwakwalwar mutum, kuma yana kula da ayyukan jiki da tunanin tunanin kwakwalwa.
Ayyukan direba IC yana ƙayyade tasirin allon nunin jagora, musamman ma yin amfani da manyan ayyuka na zamani da manyan wurare, yana sa mutane su fi dacewa da buƙatu don direban nuni na LED IC.
TuriJuyin Halitta na IC:
A cikin 90s na ƙarni na ƙarshe, aikace-aikacen nunin LED sun mamaye launuka ɗaya da biyu, ta amfani da direban wutar lantarki akai-akai IC. A shekara ta 1997, na'urar da aka keɓe ta LED ta farko ta kasar Sin ta fito da guntu mai sarrafa guntu mai lamba 9701. Ya kai inuwar launin toka 16 zuwa 8192 na launin toka don cimma WYSIWYG.
Daga baya, don halaye masu fitar da haske na LED, tuƙi na yau da kullun don zama zaɓin da aka fi so don direban nunin LED mai cikakken launi, yayin da ƙarin haɗaɗɗun tashar tashoshi 16 ya maye gurbin tashar tashoshi 8. A cikin ƙarshen 1990s, Toshiba na Japan, Allegro, da Ti na Amurka sun yi nasara gabatar da guntuwar direban LED na yau da kullun na tashoshi 16.
A farkon karni na 21, an yi amfani da guntuwar tuki na kamfanonin Taiwan na kasar Sin da yawa. A yau, domin a warware matsalar PCB layout na kananan-fiti LED nuni fuska, wasu direbobi IC masana'antun sun kuma gabatar sosai hadedde 48-tashar LED m halin yanzu direba kwakwalwan kwamfuta.
Direba IC masu nuna alamun aiki:
Daga cikin alamun aikin nunin nunin LED, ƙimar wartsakewa da matakin launin toka da bayyanar hoto suna ɗaya daga cikin mahimman bayanai.
Wannan yana buƙatar babban daidaito na halin yanzu tsakanin tashoshin IC direban nuni na LED, ƙimar saurin sadarwa mai sauri, da saurin amsawa na yanzu.
A baya, bangarori uku na ƙimar wartsakewa, launin toka, da ƙimar amfani wani nau'in dangantaka ne mai canzawa.
Don tabbatar da cewa ɗaya ko duka biyun na alamomin na iya zama mafi kyawu, dole ne mu sadaukar da sauran alamomi biyu daidai gwargwado.
Saboda wannan dalili, yawancin nunin LED suna da wahala a cimma mafi kyawun duniyoyin biyu a aikace-aikace masu amfani, ko kuma basu da isasshen wartsakewa.
Kayan aikin kyamara masu sauri suna da saurin zuwa layin baƙar fata lokacin da aka ɗauki hoto, ko ma'aunin launin toka bai isa ba, kuma hasken launi bai dace ba.
Tare da ci gaban fasahar masana'antun direban IC, an sami ci gaba a cikin manyan batutuwa uku kuma an magance waɗannan matsalolin.
A cikin aikace-aikacen ƙananan nunin LED, don tabbatar da jin daɗin idanun mai amfani na dogon lokaci, ƙananan haske da launin toka ya zama ma'auni mai mahimmanci musamman don gwada aikin direban IC.
Driver IC shine ya haɗa babbar da'ira a cikin ƙaramin guntu don yin aiki, don haka ikon kewayawa na nunin bidiyo na LED ya fi inganta, ingantaccen IC zuwa HD LED nunin ingancin bidiyo, Launuka suna da tasirin gani sosai. Don gane babban wartsakewa, shahararrun jerin IC na yanzu da ake amfani da su sune: MBI5153, ICN2163, SUM6086, da sauransu.
Ya zuwa yanzu ICN2153 yayi girma cikin sauri a kasuwa, shima yana da karko amma a farashi mai rahusa idan aka kwatanta da MBI5153.
MBI5153 daga Macroblock ne, guntu ne na direba don nunin cikakken launi na LED. Ana amfani da S-PWM don rage flicker na hoton.
Ana amfani da bayanan shigar da hoton don daidaita haske na allon bidiyo na LED. Yanayin aiki shine -40 zuwa +85 digiri Celsius.
ICN2153 daga Chip One ne. An yi amfani da nunin bidiyo na LED na ƙaramin-fiti tare da kyakkyawan tsangwama.
PCB ba ya shafar tasirin ƙarancin launin toka.
Yana iya daidaita fitarwa na halin yanzu kuma daidai sarrafa haske na nuni HD LED.
An warware nuni yadda ya kamata. Ana iya amfani da tubalan ƙananan launin toka, da simintin launi, pitting, da dai sauransu tare da kowane layi don kawar da fatalwar rubutu.
YONWAYTECHJagorar nuni azaman ƙwararrun masana'anta, koyaushe muna jin daɗin kowane tsari na amana daga abokin cinikinmu, 1920hz-3840hz ƙimar wartsakewa da allon jagorar 14bit-16bit don amfanin gida ko waje na iya zama zaɓi.
