Cov zaub ua haujlwm coj los ua haujlwm
Tom qab tau ntim, cov hlaws dai tau npaj nyob rau hauv tus qauv ruaj khov ntawm tus PCB (luam tawm cov boardracter board) los tsim lub teeb taws. Chav tsev, nrog rau qhov kev tsav tsheb peripheral, yog hu ua LED module (tseem hu ua LED Roard). Ntau tus LED modules, ua ke nyob rau hauv ib txwm ua li cas, nrog rau ib daim npav rho nyiaj thiab khoom siv hluav taws xob, ua ib chav tsev hu ua ib lub txee LED LED. Ib qho zaub coj, txua tsim los ntawm kev npaj cov khoom LED ntau, tsis tuaj yeem taws cov zaub kom pom cov ntsiab lus siv tau. Ib lub tshuab maub los thiab cov vis dis aus yuav tsum tau ua.
Daim vis dis aus tuaj yeem los ntawm lub khoos phis tawm, player, media server, lub koob yees duab, lossis lwm yam khoom siv. Cov cuab yeej siv tawm ntawm cov vis dis aus mus rau tus coj tswj, uas tau suav cov yeeb yaj kiab, hloov cov qauv, thiab txiav cov duab. Tus maub los ces tawm cov ntaub ntawv kawg nkaus uas haum rau LED zaub rau tus txais daim npav hauv LED LED LED LED LED LED LED LED LED LED LED LED LED LED LED LED LED Tus txais daim npav tau txais ces tswj lub ci ci thiab xim ntawm cov chips coj, li no tso cov ntsiab lus xav tau ntawm cov zaub LED. Daim duab 1 {-} 2-1 qhia cov qauv txheej txheem txheej txheem ntawm cov zaub coj LED. Los ntawm qhov kev pom ntawm Tag Nrho Cov Qauv LED Zaub, LED cov thev naus laus zis thev naus laus zis, coj lub teeb-emitting nti, thiab lwm yam.
LED Zaub Kev Lag Luam saw.
Cov kev sib txuas ntau cov qauv ntawm LED yog sib txuas kom sib xyaw kom haum rau cov LED zaub kev lag luam. Qhov kev siv saw hlau no tau muab faib ua peb ntu: qhov kawg tau xaus (nce ntxiv (midstream), thiab cov zaub kawg (nqes dej), raws li qhia hauv daim duab.
Lub nti sab ntu feem ntau yog hais txog kev lag luam wafer enferfically, tshwj xeeb cov chips coj thiab lwm yam ntaub ntawv, uas yog kev tsim khoom tsim rau cov chips. Cov thev naus laus zis rau qhov kev paub ntawm kev paub hauv chemistry thiab physics, ua rau muaj kev cuam tshuam loj rau kev txhim kho ntawm tag nrho LED cov qauv kev lag luam.
Lub ntim ntim feem ntau yog hais txog kev ntim ntawm cov chips, tshwj xeeb cov kev sib dhos ntawm cov chips rau hauv ib qho pixel units. Cov khoom lag luam feem ntau koom nrog hauv cov txheej txheem no suav nrog dip-} packaged LED units thiab smd- packaged coj pixels. Txoj kev no siv cov txheej txheem tshwj xeeb thev naus laus zis los ua cov nti {}}}}}}}} cov khoom lag luam uas ua kom yooj yim tuav thiab soldering.
Cov zaub sab uas muaj feem ntau yog cov lus tiav, uas yog LED zaub Modules, LED cov kab, thiab cov ntxaij vab tshaus LED. Cov ntu no koom nrog ntau yam kev lag luam, suav nrog cov chips ib ncig, cov khoom siv fais fab, tswj cov tshuab, thiab cov khoom siv kho vajtse, thiab cov khoom siv hluav taws xob, thiab cov khoom siv hluav taws xob, thiab cov khoom siv hluav taws xob.
Kev Tsim Kho Ntsiab Lus Tseem Ceeb
LED cov lus qhia tau hloov zuj zuj ntawm ultra - loj} Lub suab sab nraum zoov sab nraum zoov, thiab tam sim no mus rau ultra {1} {1} Qhov laj thawj tseem ceeb rau qhov no yog thaum ntxov LED lub teeb- Cov duab tshaj tawm los ntawm cov duab tshaj tawm uas yooj yim thiab cov duab yooj yim uas ua rau cov cim yooj yim thiab cov xim yooj yim. Tsuas yog tom qab qhov kev ua tau zoo tau raug daws tau tau coj cov txheej txheem nkag mus rau tag nrho- pra. Txawm li cas los xij, lub sijhawm, lub suab tawm ntawm LED ntawm cov ntawv tshaj tawm, cov ntawv qhia cov ntaub ntawv, thiab lwm yam kev xav tau ultra {} {9 {kev deb} deb saib.
Nrog thev naus laus zis txhim kho thiab rov tshwm sim ntawm SMD ntim tshuab ntim khoom, LED zaub Dot Pitches tau tuaj yeem ncav cuag P3.9 lossis P2.5. Qhov no pub cov ntaub ntawv LED kom tau muab ntsia rau sab nraum zoov venues nrog kev pom kev deb, xws li kev hais kwv txhiaj thiab zej zog plazas, thiab qee tus txawm pib siv sab hauv tsev. Thaum lub dot suab ntawm LED tawm mus txog P2.0 lossis hauv qab no, LED cov ntsiab lus, xws li kev yuav khoom hauv khw muag khoom hauv nroog, chaw nkag mus, thiab chaw ua yeeb yam. Kev txuas ntxiv thev naus laus zis thev naus laus zis yog tsav tsheb ntawm LED cov lus qhia thiab lawv cov kev nkag mus rau hauv cov teb tshiab. Cov lus sib txawv ntawm cov pitches nqa cov xwm txheej sib txawv, xav tau cov thev naus laus zis thiab kev sib txawv.
LED nti thev naus laus zis thiab nws txoj kev tsim kho
Lub hauv paus ntsiab lus ntawm LED teeb tso tawm yog yooj yim. Ua ntej, ib LED nti yuav tsum muaj ib lub hlws ris tsho. Lub cheeb tsam P feem ntau, thaum lub ces nd yog feem ntau hauv cov tshuab hluav taws xob. Lub ntsiab lus uas P thiab N cheeb tsam sib ntsib yog hu ua PN hlws ris. Qhov thib ob, thaum lub vev xaib bias rau pem hauv ntej yog nce, cov nqa khoom hauv P thiab N cheeb tsam tawg mus ib leeg, ua rau cov tshuab hluav taws xob rau ib leeg, ua rau cov tshuab hluav taws xob thiab cov qhov chaw tsiv. Txij ntawm no, cov tshuab hluav taws xob thiab qhov ua tiav los tsim lub zog, uas hloov hloov dua siab tshiab rau hauv photons rau hauv photons rau hauv photons rau hauv photons thiab emitted. Cov xim ntawm lub teeb emitted yog feem ntau txiav txim siab los ntawm lub wavelength ntawm lub teeb, uas yog txiav txim siab los ntawm cov khoom ntawm pn hlws ris.
Nyob rau hauv chav kawm ntawm Led kev loj hlob, nti thev naus laus zis tau dhau kev ua haujlwm nrhav kev tshiab thiab kev hloov pauv. Thaum pib, vim muaj txheej txheem thev naus laus zis thev naus laus zis, cov phiaj xwm PN ntawm LED Chips yog loj, tsis ncaj qhov loj ntawm LED hlaws dai. Nrog kev nce qib nruam ntawm cov txheej txheem thev naus laus zis thiab LED Chip qauv tau dhau los ua me me, txawm tias nce mus ntau thiab tsawg xyoo.
Tam sim no, muaj peb lub ntsiab LED Chip qauv. Feem ntau cov yog lub ntsej muag -}}}}}}}}}} Tus qauv thiab tig mus {{}} spip qauv qauv ,. Lub ntsej muag -}}}}}}}}}}}}}}}}}}}} tshaj qauv qauv thiab kuj siv tau hauv LED cov lus. Hauv cov qauv no, cov electrodes nyob rau sab saum toj, nrog rau cov xwm txheej hauv qab no: P}} pa, ntau}} gan, thiab substrate. Tus qauv ntsug siv lub siab - thermal - kev siv cov sapphire substtrate, txhim kho tshav kub dissiciency ua tau zoo. Ob lub electrodes nyob rau hauv tus qauv ntsug yog nyob ntawm ob sab ntawm cov qauv ecitaxial txheej. Los ntawm cov n electrode, tam sim no yuav luag tag nrho cov kab ntawv xaiv tau coj los ntawm cov txheej uas muaj coj mus los, txo qis tom qab ntws tawm thiab tiv thaiv kev kub ntxhov dhau los. Los ntawm sab saum toj mus rau hauv qab, cov flip -}}}} pa, elects} gan, electrodes (p thiab cov electrodes), thiab pob. Lub ntsej muag substrate upward, thiab ob electrodes yog nyob rau tib sab (tig mus rau sab hauv). Cov pob tau txuas ncaj qha rau lub hauv paus (qee zaum hu ua ib qho pcb substrate) qis dua, muaj kev txhim kho zoo dua qub thiab muab cov khoom siv luminous zoo dua.
LED ntim tshuab thiab nws txoj kev loj hlob
Ntim yog ib kauj ruam tseem ceeb hauv kev txhim kho cov qauv coj los. Nws txoj haujlwm yog txuas rau sab nraud sab nraud rau cov electrodes ntawm LED nti, thaum tseem tiv thaiv lub nti thiab txhim kho luminous efficiency. Kev ntim khoom zoo tuaj yeem txhim kho cov luminous efficiency thiab kub dissipation ntawm LED cov lus qhia, yog li ncua lawv lub neej. Thoob plaws kev txhim kho ntawm LED cov lus qhia, hloov cov khoom siv), IMD (sib xyaw ua ke)
Qhia txog kev siv DIP ntim tshuab ntim hluav taws xob feem ntau hu ua ncaj qha - ntxig cov khoom. LED teeb hlaws kom tsim los ntawm teeb cov hlaws ntim cov tshuab ntim thiab tom qab ntawd ntxig rau hauv LED PCB los ntawm LED Module thiab zaub cov chaw tsim khoom. Yoj hlau soldering yog tom qab ua los tsim dip semi-} sab nraum zoov cov kab dej thiab sab nraum zoov thiab sab nraum zoov waterproof modules.
Qhia txog kev siv cov tshuab SMD ntim tshuab feem ntau hu ua saum npoo - mount cov lus. Qhov txheej txheem puv cov txheej txheem encapsulates peb RGB LEDs nyob rau hauv ib khob los ua ib RGB PIXELL. Tag nrho- Cov xim LED tawm nrog cov thev naus laus zis kaw dua qub, thiab muaj txiaj ntsig zoo thiab muaj txiaj ntsig zoo nkauj thiab cov xim sib dhos.
Qhia txog kev siv IMD ntim cov tshuab ntim khoom lag luam feem ntau hu ua txhua -}}} ib qho qhia. IMD ntim tshuab encapsulates ntau rgb pixels tsis pub dhau lub khob loj, yeej tseem poob qis hauv lub kaus ntawm SMDBLA NTAWM SMD ntim. Ntxiv nrog rau kev siv cov txheej txheem SMD uas twb muaj lawm, IMD ntim pub rau lub suab me me pixel, tawg los ntawm cov ntawv SMD uas twb muaj lawm.
Qhia txog kev siv COB ntim tshuab ua ntej thawj lub LED nti ncaj qha rau PCB thiab tom qab ntawd kaw nws nrog ib txheej ntawm resin nplaum. COB ntim tshem tawm cov txheej txheem SMD ntawm cov RGB LED Chips nyob rau hauv lub khob los tsim cov kev sib xyaw ntawm cov coj uas yuav tsum muaj nrog SMD ntim. Yog li ntawd, COB ntim Technology Txawj Txawj Teeb Meem los ntawm cov tsis zoo zaub cov ris tsho sib txawv, uas xav tau LED zaub calibration thev naus laus zis thev naus laus zis thev naus laus zis, xav tau LED zaub calibration thev naus laus zis thev naus laus zis thev naus laus zis, xav tau cov coj zaub calibration thev naus laus zis thev naus laus zis thev naus laus zis, xav tau LED zaub calibration thev naus laus zis thev naus laus zis thev naus laus zis, xav tau LED zaub calibration thev naus laus zis thev naus laus zis thev naus laus zis, xav tau LED zaub calibration thev naus laus zis thev naus laus zis thev naus laus zis los daws qhov no. Txawm li cas los xij, COB ntim tshuab, nrog txhua Pixel khav theeb lub teeb lub teeb heev, kev tiv thaiv zoo heev, thiab muaj peev xwm ua tiav lub suab me me pixel.
MIP Ntim Tshuab yog qhov ua tau ntau dua ntawm ib nrab ntawm SMD thiab COB ntim cov cuab yeej. Nws suav nrog muab cov LED nti ntawm tus PCB, tom qab ntawd txiav cov PCB rau hauv ib tus neeg pixel ntau thiab tsawg. Qhov no tso cai rau kev teeb pom kev zoo zoo ib yam li SMD ntim, kom pom kev sib xyaw thaum muaj kev tiv thaiv.
Tsav Tsheb LED Tsheb thiab nws txoj kev loj hlob
Cov chips tsav tsheb yog feem ntau hu ua daim ICS. Thaum ntxov LED tawm yog ib qho no -}} xim, siv} voltage neeg tsav ICS. Xyoo 1997, kuv lub teb chaws tau qhia thawj zaug tsav tsheb IC rau tag nrho cov tsav tsheb tau los ua cov cim tam sim no rau cov xeeb ceem tshwj xeeb ntawm LED teeb pom kev zoo. Nyob rau tib lub sijhawm, ntau sib xyaw ua ke 16 - chard charivers hloov 8 {{channel tsav tsheb. Nyob rau hauv lub xyoo 1990, cov tuam txhab Japanese, cov tuam txhab Japanese xws li Toshiba thiab cov tuam txhab Asmeskas xws li Lees Las 16}}}} Tus tsav ICTso tam sim no. Thaum ntxov 21st caug xyoo, Suav cov tuam txhab Suav kuj pib loj-tsim thiab siv cov iCs driver no. Niaj hnub no, los daws cov teeb meem PCB ntawm cov khoom siv nplua-quav, qee cov tsav tsheb IC cov chaw tsim khoom tau ua tiav 45-channel coj mus tas li-kev tsav tsheb tam sim no.
Nyob rau hauv kev ua haujlwm ntawm tag nrho - Cov xim LED zaub, tus neeg tsav tsheb dav dav) thiab tam sim no tsim kom muaj kev ci ntsa iab thiab gayscale Refresin Reactined tus LED. Cov tsav tsheb LED cov ICS tuaj yeem faib ua dav dav - lub hom phiaj ICS thiab ICE tshwj xeeb. General - hom phiaj Ic tsis tau tsim tshwj xeeb rau LED cov lus qhia, tab sis cov chips uas phim qee qhov kev ntsuas ntawm cov kab lus LED. Dedicated ICS yog tsim raws li lub teeb - emnitting cov yam ntxwv ntawm LEDs thiab tau tsim tshwj xeeb rau cov qauv coj. Cov kos duab hauv qab no qhia lawv cov architecture. LEDs yog tam sim no - nyob twj ywm cov cuab yeej, thiab lawv lub ci ci hloov nrog tam sim no. Txawm li cas los xij, qhov kev hloov no tam sim no tuaj yeem ua rau nthwv dej ntawm LED lub teeb ua haujlwm kom hloov, tsis ncaj rau xim distortion. Ib qho tseem ceeb ntawm cov ICS yog lawv lub peev xwm los muab qhov chaw tas mus li. Qhov chaw tam sim no ruaj khov ua kom ruaj khov LED tsav, tshem tawm cov flicker thiab xim distortion, thiab yog qhov tseem ceeb ntawm cov duab LED zoo rau cov qauv LED.
Qhov kev tsav tsheb saum toj no yog hu ua PM (passive matrix) tsav tsheb, tseem hu ua kev tsav tsheb lossis lub siab tawv {}}}. Nrog qhov tshwm sim ntawm micro coj thiab Mini LED, lub dot suab tawm mus ntxiv mus rau qhov txiav, nce ntom ntom cov khoom tsav thiab ua raws PCB hlau. Qhov cuam tshuam no kev cia siab, Tsav tsheb ICS rau kev sib koom ua ke ntau dua thiab, hauv qhov hloov pauv tau ntau dua. Txawm li cas los xij, siab dua cov tshuaj ntsuam suav ntawm PM tsav, qhov tsis zoo rau cov zaub zoo.
Kuv tsav tsheb, tseem hu ua kev tsav tsheb nquag lossis nquag ua haujlwm -} raws tsav. Kev sib piv ntawm AM thiab PM tsav. Los ntawm tib neeg kev pom ntawm tib neeg, kuv yog tsav tsheb tshwm flicker - PUB DAWB thiab muaj kev nyiam dua rau lub qhov muag. Nws tseem yuav siv zog tsawg dua. Tsis tas li ntawd, kuv tsav tsheb, vim nws txoj kev sib xyaw siab dua, yuav tsum muaj cov chips tsawg dua.
LED Zaub Tswj Xyuas Kev Siv Tshuab Thiab Nws Txoj Kev Loj Hlob
LED zaub Tswj Xyuas yog qhov tseem ceeb rau kev ua tiav cov duab zoo, thiab cov duab ua tau zoo yog ua tiav ntau los ntawm kev tswj hwm. Ib qho kev tswj hwm theem pib muaj kev tswj software (host Computer Software), tus maub los tswj (tus tswv tswj hwm (tus tswv tsev ywj pheej), thiab ib daim npav txais nyiaj. Cov kev tswj software thawj zaug configures ntau yam tsis muaj teeb meem; Tus tswj hwm feem ntau ua yeeb yam cov duab segmentation ntawm cov yeeb yaj kiab; Thiab tus txais daim npav ua rau cov video xa los ntawm tus tswj hwm raws li lub sijhawm tshwj xeeb, yog li ua pa tag nrho cov zaub.
Metonoler Kev Tsim Kho Keeb Kwm
Tswj lub tshuab, ua haujlwm raws li "kev coj ua" ntawm cov qauv tshwm sim hauv cov laug cam, nrog cov khoom lag luam uas yog xws li MSD300. Tom qab ntawd, raws li cov duab pixel pecceel thiab daim ntawv teev cov xwm txheej hloov zuj zus, chassis {{1} Raws li cov khoom siv xws li NOVAGA MCTRL600. Tom qab, raws li cov lus qhia nkag mus sab hauv tsev thiab cov ntaub ntawv xauj tsev me, muaj cov ntaub ntawv sau ntxiv, thiab cov khoom sau ua ntej- Vaj Huam Sib Luag LCD Debuggiling muaj peev xwm. Cov khoom lag luam raug suav nrog NOVA NIVULA's Mctrl660. Raws li tso saib pixel txuas ntxiv mus ntsws, tus naj npawb ntawm 4k cov lus qhia ntawm kev ua lag luam nce ntxiv. Qhov no tau nce lub peev xwm ntawm ib tus maub los, xav tau ib tus maub los muaj peev xwm ntawm kev tuav ncaj qha 4K daws teeb meem. Yog li, 16 - Port Controllers tau tshwm sim, nrog ib qho kev ua piv txwv yog noveba nbulla mctrl4k. Raws li tso saib pixel txuas ntxiv mus ntsws thiab daim ntawv thov cov xwm txheej nthuav dav, cov kev xav tau kev ua haujlwm tau nce ntxiv. Cov kev tswj hwm nrog kev ua yeeb yaj kiab video yog los tawm, nrog cov khoom lag luam xws li NOVAXA V700, V900, thiab V1260. Qee qhov haujlwm tseem xav kom loj-screen splicing lub peev xwm, ua rau pom cov kev tawm tsam nrog ob qho tib si muaj peev xwm sib luag. Cov khoom lag luam raug suav nrog cov NUMBULA H2, H5, H5, thiab H9 Series Splicing Controllers.
Kev loj hlob ntawm cov ntawv txais nyiaj
Nyob rau hauv keeb kwm ntawm cov ntawv txais nyiaj, vim tias LED cov ntaub ntawv tau siv sab nraum zoov, rau kev yooj yim rau sab nraud, xws li NOVA NULLAGE DH426. Raws li LED Cov Qauv Hloov mus rau sab nraum zoov siv cov duab hauv tsev, cov kev xav tau rau cov duab zoo, thiab cov qauv los ua kom nruj. Qhov no coj mus tshwm sim ntawm cov ntawv txais nyiaj nrog siab- qhov ntau thiab tsawg, xws li cov noveba nebula armor series. Nrog rov tshwm sim ntawm cov nkauj pixel tshiab thiab cov ntaub ntawv ntim tau xws li kev ua yeeb yam hauv tsev xws li Tsev Ua Yeeb Yam Hauv Tsev Cov kev xav tau no tsis tas yuav tsum muaj cov duab zoo dua tab sis kuj tseem muaj kev sawv cev zoo dua qub thiab muaj tseeb dua thiab muaj tseeb dua thiab muaj tseeb dua thiab muaj tseeb dua thiab muaj tseeb Qhov no yuav tsum siab dua - bandwidth daim npav, xws li lub naula nebula ca {} g thiaj li tau txais daim npav.
Nrog kev nce qib ntawm MINI LED thiab Micro Led Technologies, qhov yuav tsum tau ua rau cov qauv zoo dua, tab sis kuj tseem ua kom muaj zog, thiab muaj kev hloov pauv ntau yam ntxwv. Qhov no tau tsim nyog siv tswj kev tswj chip {{}}} Cov npav tau txais cov kev lag luam no.
