Nkag mus rau hauv lub ntiaj teb ntawmLED zaub, qhov twg txhua pixel los rau lub neej los ntawm lub zog ntawm LED IC chips. Xav txog cov kab scan tsav tsheb thiab kab tsav tsheb ua haujlwm ua ke tsis sib haum los tsim cov duab zoo nkauj uas nyiam cov neeg tuaj saib ze thiab deb.
Los ntawm lojsab nraum zoov billboardsmus rau qhov muag pom cov khw muag khoom thiab cov ntxaij vab tshaus sab hauv tsev, LED tsav tsheb IC chips yog cov neeg tsis paub qab hau. Lawv yog cov tsav tsheb uas ua kom txhua pixel ci ntsa iab, txawm tias nws yog ib qho xim, ob xim, lossis xim puv xim.
Tab sis dab tsi raws nraim cov chips ua?
LED IC Chip yog dab tsi?
Nyob rau hauv lub ntiaj teb no ntawm tag nrho-ximLED zaub, lub luag haujlwm ntawm LED IC nti yog qhov yooj yim tab sis tseem ceeb heev: kom tau txais cov ntaub ntawv, tsim cov PWM cov cim qhia meej, thiab tswj cov dej ntws tam sim no kom pom txhua qhov LED nrog qhov tseeb. Nws yog kev sib haum xeeb ntawm kev siv thev naus laus zis, orchestrating qhov zoo tshaj plaws tshuav nyiaj li cas ntawm brightness thiab refresh tus nqi coj cov duab rau lub neej.
Thiab tom qab ntawd muaj cov IC peripheral - cov yeeb yaj kiab uas tsis muaj suab npe uas ntxiv qhov tob thiab qhov ntev rau cov zaub. Los ntawm cov logic ICs rau MOS keyboards, lawv yog cov khoom xyaw zais cia uas txhawb nqa qhov pom kev mus rau qib tshiab.
Tsis yog tag nrho LED IC chips yog tsim sib npaug. Qee qhov yog tsim los rau kev siv dav dav, thaum lwm tus raug kho kom zoo rau cov ntawv thov tshwj xeeb. Nws yog thaj chaw ntawm qhov tsis muaj qhov kawg, qhov twg kev tsim kho tshiab thiab kev muaj tswv yim sib koom ua ke los tsim cov duab uas ntxim nyiam thiab xav tsis thoob.
Tam sim no, nkag mus rau hauv lub ntiaj teb ntawm cov chips tshwj xeeb-kev cai-tsim marvels uas qhib tag nrho lub peev xwm ntawm LED cov ntxaij vab tshaus. Ntawm no yog daim duab: LED thev naus laus zis ua haujlwm hauv nws txoj kev tshwj xeeb. Tsis zoo li cov khoom siv ib txwm siv, LEDs cia siab rau qhov tsis tu ncua tam sim no, tsis hloov hluav taws xob.
Qhov no yog qhov tshwj xeeb chips ci. Lawv lub hom phiaj? Txhawm rau muab qhov chaw tsis tu ncua tam sim no. Vim li cas qhov tseem ceeb? Stable tam sim no txhais tau tias ruaj khovLEDs, thiab ruaj khov LEDs txhais tau tias tsis muaj qhov pom kev zoo uas ua rau mesmerize thiab impress.
Cov LED IC chips no nyob deb ntawm qhov qub. Qee tus tuaj nrog cov yam ntxwv ntxiv rau cov kev lag luam tshwj xeeb, xws li LED teeb pom kev tsis raug, kev tswj tam sim no, thiab txawm tias tam sim no kho, ntxiv txheej ntxiv ntawm qhov tseeb.
Keeb kwm ntawm LED IC Chip
Coj mus txawv tebchaws rov qab mus rau 1990s dynamic, thaum LED zaub cov ntxaij vab tshaus nyuam qhuav pib nce lub zog. Thaum lub sijhawm ntawd, nws yog txhua yam hais txog ib qho thiab ob-xim qhia, nrog qhov tsis tu ncua voltage tsav ICs ntawm lub kaus mom hlau.
Tom qab ntawd, xyoo 1997, qhov kev hloov pauv tau tshwm sim thaum Tuam Tshoj tau qhia txog 9701-ib qho tshiab tshwj xeeb tsav thiab tswj nti rauLED zaubcov ntxaij vab tshaus. Nrog rau qhov tsis txaus ntseeg los ntawm 16 qib grey mus rau qhov xav tsis thoob 8192, cov nti no tau hloov kho cov duab pom tseeb, tig "qhov koj pom yog qhov koj tau txais" rau hauv qhov tseeb tiag.
Raws li LED thev naus laus zis tau nce siab, yog li cov tsav tsheb uas siv nws. Kev tsav tam sim no tsis tu ncua sai dhau los ua tus qauv rau cov xim puv xim LED, ua kom zoo nrog cov yam ntxwv tshwj xeeb ntawm LEDs. Nrog kev thov loj hlob, kev sib koom ua ke tau nce, thiab 16-channel tsav sai sai dua lawv cov 8-channel ua ntej.
Ceev nrooj mus rau hnub no, qhov twg innovation txuas ntxiv mus ua txhaum ciam teb. Txhawm rau daws cov teeb meem ntawm PCB thaiv hauv cov duab me me pixel LED, tsav tsheb IC cov tuam txhab tau thawb cov kev txwv nrog kev sib xyaw ua ke 48-channel LED tas li tam sim no tsav tsheb chips. Nws yog ib qho kev xav txog lub ntiaj teb hloov zuj zus ntawm LED thev naus laus zis, qhov twg qhov kev txwv tsuas yog peb lub tswv yim.
LED IC Chip Performance Indicators
Cia peb dhia mus rau hauv lub plawv ntawm LED cov ntxaij vab tshaus, qhov twg cov ntsuas kev ua haujlwm tseem ceeb xws li refresh npaum li cas, greyscale, thiab cov duab nthuav qhia coj mus rau theem nruab nrab. Xav txog qhov no: kev sib raug zoo ntawm kev sib raug zoo tam sim no, kev sib txuas lus sai, thiab cov lus teb ceev ceev tam sim no-tag nrho ua haujlwm ua ke los tsim cov duab zoo nkauj uas nyiam cov neeg saib.
Yav dhau los, ua tiav qhov kev sib haum xeeb zoo tshaj plaws ntawm tus nqi refresh, greyscale, thiab kev siv tus nqi yog lub hom phiaj tsis pom. Yuav tsum tau ua kom muaj kev cuam tshuam - txawm tias qhov hloov tshiab tau poob qis, ua rau cov kab dub tsis zoo nyob rau hauv cov koob yees duab ceev ceev, lossis greyscale raug kev txom nyem, ua rau cov xim tsis sib xws.
Nkag mus rau lub hnub nyoog ntawm kev siv thev naus laus zis. Ua tsaug rau kev tsim kho tshiab los ntawm cov tuam txhab tsav tsheb IC, ib zaug ua tsis tau tau dhau los ua qhov tseeb. High refresh tus nqi, flawless grayscale, thiab vibrant xim brightness tam sim no coexistly seamlessly, paving txoj kev rau cov lus uas ua rau cov neeg tuaj saib txaus ntshai.
Rau LED cov xim puv xim, cov neeg siv kev nplij siab yog qhov tseem ceeb. Yog vim li cas thiaj ua tiav qhov sib npaug ntawm qhov ci ntsa iab thiab siab greyscale tau dhau los ua qhov kawg ntawm kev tsav tsheb IC kev ua haujlwm. Nws yog ib qho pov thawj rau qhov tsis muaj txiaj ntsig ntawm kev ua tau zoo nyob rau hauv lub ntiaj teb kev nce qib ntawm LED thev naus laus zis.
Cov txiaj ntsig ntawm kev siv LED IC Chip
Thaum siv LED IC nti, muaj ntau yam zoo uas koj tuaj yeem txaus siab thiab tau txais txiaj ntsig los ntawm. Nov yog qee qhov tsim nyog yuav tsum nco ntsoov:
Lub zog txuag hluav taws xob
Cia peb ci lub teeb ntawm kev nrhiav kev siv hluav taws xob hauv LED cov lus qhia - ib qho kev taug kev uas kev tsim kho tshiab ua tau raws li kev ruaj ntseg, thiab txhua watt suav.
Hauv lub ntiaj teb ntawm lub zog ntsuab, txuag lub zog tsis yog lub hom phiaj xwb; nws yog ib txoj kev ua neej. Thaum nws los txog rau cov lus qhia LED, qhov kev ua tau zoo ntawm kev tsav ICs nyob ntawm lawv lub peev xwm los txiav kev siv hluav taws xob yam tsis muaj kev cuam tshuam cov zis.
Yog li cas lawv ua tiav qhov no? Nws yog txhua yam hais txog tackling lub zog txuag los ntawm ob lub ntsiab lus tseem ceeb:
Ua ntej, lub hom phiaj yog los txo qhov tam sim no inflection point voltage. Los ntawm kev txo qis cov khoom siv hluav taws xob 5V rau qis dua 3.8V, tsav ICs ua rau txoj hauv kev rau kev siv hluav taws xob ntau dua.
Cov neeg tsim khoom tab tom ua nws ib kauj ruam ntxiv nrog kev ntse algorithm tweaks thiab tsim kom zoo dua. Qee tus tau tshaj tawm cov tsav tam sim no tsis tu ncua ICs nrog qhov tsis txaus ntseeg tsis txaus ntawm qhov tsuas yog 0.2V - txhawb nqa LED siv tus nqi ntau dua 15% thiab txo cov hluav taws xob hluav taws xob los ntawm qhov zoo kawg li 16%.
Tab sis ntawm no yog qhov sib tw: kev txuag hluav taws xob tsis yog hais txog kev txiav cov ces kaum - nws yog hais txog qhov tseeb. Los ntawm kev muab lub zog sib cais rau cov hlaws liab, ntsuab, thiab xiav lub teeb hlaws, tsav ICs kom ntseeg tau tias qhov hluav taws xob thiab qhov tam sim no raug faib nrog kev phais mob. Qhov tshwm sim? Kev siv hluav taws xob txo qis, txo qis kev tsim hluav taws xob, thiab lub neej yav tom ntej zoo dua rau cov lus qhia LED.
Kev tshawb nrhiav rau kev siv hluav taws xob tsis yog kev taug kev xwb - nws yog kev hloov pauv. Thiab nrog txhua qhov kev ua tiav, peb ntiv tes los ze dua rau qhov ntsuab, muaj kev ruaj ntseg dua tag kis.
Kev koom ua ke zoo heev
Xav txog kev nkag mus rau hauv lub ntiaj teb ntawm LED cov ntxaij vab tshaus, qhov twg txhua pixel ntim cov punch thiab txhua yam tseem ceeb. Raws li pixel qhov sib nrug ntawm qhov nrawm nrawm, tus naj npawb ntawm cov khoom ntim ntim ib cheeb tsam skyrockets, tsim kom muaj kiv taub hau ntom ntom ntawm cov khoom ntawm cov tsav tsheb ntawm LED modules.
Siv lub P1.9me me-pixel LEDua piv txwv. Nrog nws 15 scans thiab 160 × 90 module, nws xav tau ib tug hefty 180 tam sim no tsav ICs, 45 kab raj, thiab ob 138s. Qhov ntawd yog ntau lub iav ntim rau hauv qhov chaw nruj, tig PCB thaiv rau hauv kev ua si siab ntawm Tetris.
Nrog zoo complexity tuaj loj txaus ntshai. Cov neeg coob coob sau cov teeb meem, los ntawm cov welds tsis muaj zog kom txo qis kev ntseeg siab-yikes! Nkag mus rau tus phab ej ntawm lub sijhawm: kev sib koom ua haujlwm siab ICs. Nrog tsawg dua ICs xav tau thiab thaj chaw loj PCB txuas, cov chips no tau ntsib qhov kev xav tau loj dua rau kev tsim qauv zoo, txhim khu kev qha.
Niaj hnub no, coj LED IC nti cov chaw muag khoom tau teb cov lus hu, dov tawm 48-channel LED tas li tam sim no tsav tsheb chips uas ntim cov punch loj. Los ntawm kev sib koom ua ke cov khoom siv hluav taws xob ncaj qha rau hauv tus tsav tsheb IC wafer, lawv txhim kho PCB tsim thiab ua rau mob taub hau tshwm sim los ntawm engineering tsis sib xws.
Xaus
Nyob rau hauv lub ntiaj teb no ntawm LED zaub, qhov twg innovation raws li lub tswv yim, lub siab mos siab muag LED IC nti sawv ua tus unsung hero. Cov chips no orchestrate ib symphony ntawm pixels, kom ntseeg tau tias txhua xim, txhua yam, ci nrog vivid brilliance. Txawm hais tias nws yog cov ntawv tshaj tawm sab nraum zoov lossis cov ntxaij vab tshaus sab hauv tsev, LED tsav chips tsim cov pob txha ntawm kev pom kev pom uas nyiam cov neeg tuaj saib thoob plaws ntiaj teb.
Yog li, dab tsi ua rau cov chips sib nrug? Lawv tau tsim los hloov kho thiab hloov kho nrog lub sijhawm. Los ntawm cov pioneering hnub ntawm ib leeg thiab dual-xim qhia mus rau lub siab heev technology peb muaj hnub no, LED IC chips tau nyob rau hauv lub txiav ntug ntawm innovation. Lawv tau hloov pauv txoj hauv kev uas peb tau pom kev pom, ua rau lub sijhawm uas txhua pixel qhia ib zaj dab neeg thiab txhua cov zaub ua rau muaj kev paub zoo, muaj zog.
Post lub sij hawm: Dec-21-2024