Tunable LED Modules Raws li CSP-COB
Abstract: Kev tshawb fawb tau qhia txog kev sib raug zoo ntawm cov xim ntawm lub teeb ci thiab tib neeg lub voj voog circadian.Color tuning rau ib puag ncig kev xav tau tau dhau los ua qhov tseem ceeb hauv kev siv teeb pom kev zoo.A zoo meej spectrum ntawm lub teeb yuav tsum muaj qhov zoo tshaj plaws rau lub hnub ci nrog siab CRI, tab sis yog qhov zoo. attuned rau tib neeg rhiab heev.Tib neeg lub teeb pom kev zoo (HCL) yuav tsum tau tsim kho raws li kev hloov pauv ib puag ncig xws li ntau qhov chaw siv, chav kawm, kev saib xyuas kev noj qab haus huv, thiab tsim kom muaj kev zoo nkauj thiab zoo nkauj.Tunable LED Modules tau tsim los ntawm kev sib txuas cov pob nplai pob (CSP) thiab nti ntawm lub rooj tsavxwm (COB) thev naus laus zis.CSPs tau koom ua ke ntawm COB lub rooj tsavxwm kom ua tiav lub zog ceev thiab cov xim sib xws, thaum ntxiv kev ua haujlwm tshiab ntawm cov xim tunability.Lub teeb pom kev zoo tuaj yeem txuas ntxiv los ntawm qhov kaj, txias xim teeb pom kev zoo thaum nruab hnub rau dimmer, sov lub teeb thaum yav tsaus ntuj, Daim ntawv no qhia txog tus tsim, txheej txheem, thiab kev ua tau zoo ntawm LED modules thiab nws daim ntawv thov nyob rau hauv sov- dimming LED down teeb thiab pendant teeb.
Lo lus tseem ceeb:HCL, Circadian rhythms, Tunable LED, Dual CCT, Kub Dimming, CRI
Taw qhia
LED raws li peb paub nws tau nyob ib ncig ntawm 50 xyoo.Kev loj hlob tsis ntev los no ntawm cov LEDs dawb yog dab tsi tau coj nws mus rau hauv lub qhov muag rau pej xeem raws li kev hloov pauv rau lwm qhov chaw teeb pom kev dawb.Piv rau cov teeb pom kev zoo ib txwm muaj, LED tsis tsuas yog nthuav tawm qhov zoo ntawm kev txuag hluav taws xob thiab lub neej ntev, tab sis kuj qhib qhov rooj rau Cov qauv tsim tshiab yooj yim rau digitizing thiab xim tuning.Nws muaj ob txoj hauv kev ntawm kev tsim cov teeb ci dawb-emitting diodes (WLEDs) uas tsim kom muaj kev siv lub teeb dawb siab heev.Ib qho yog siv cov LEDs uas tawm peb xim thawj xim - liab, ntsuab, thiab xiav. -Thiab tom qab ntawd sib tov peb cov xim los ua lub teeb dawb.Lwm qhov yog siv cov khoom siv phosphor los hloov lub teeb ci monochromatic xiav lossis violet LED teeb rau dav-spectrum dawb lub teeb,, ntau yam tib yam li lub teeb fluorescent ua haujlwm. tias 'dawb' ntawm lub teeb uas tsim tawm yog tsim los tsim kom haum rau tib neeg lub qhov muag, thiab nyob ntawm qhov xwm txheej nws yuav tsis tsim nyog xav txog nws li lub teeb dawb.
Ntse teeb pom kev zoo yog qhov chaw tseem ceeb hauv lub tsev ntse thiab lub nroog ntse niaj hnub no.Tam sim no ntau tus neeg tsim khoom koom nrog hauv kev tsim thiab kev teeb tsa ntawm cov teeb pom kev ntse hauv kev tsim kho tshiab.Qhov tshwm sim yog qhov loj ntawm cov qauv kev sib txuas lus yog siv nyob rau hauv ntau hom khoom. , xws li KNx ) BACnetP', DALI, ZigBee-ZHAZBA', PLC-Lonworks, thiab lwm yam.Ib qho teeb meem tseem ceeb hauv tag nrho cov khoom no yog tias lawv tsis tuaj yeem cuam tshuam nrog ib leeg (piv txwv li, tsis muaj kev sib raug zoo thiab extensibility).
LED luminaires nrog lub peev xwm xa cov xim sib txawv ntawm lub teeb pom kev lag luam tau nyob rau hauv kev lag luam teeb pom kev zoo txij li thaum ntxov ntawm cov teeb pom kev zoo hauv lub xeev (SSL).Txawm li cas los xij, cov teeb pom kev zoo xim-tunable tseem ua haujlwm tau zoo thiab yuav tsum muaj qee qhov kev ua tom tsev los ntawm cov specifier yog tias lub installation yuav ua tiav.Muaj peb pawg ntawm cov xim-tuning hom nyob rau hauv LED luminaires: dawb tuning, dim-rau-sov, thiab puv-xim-tuning.Tag nrho peb pawg tuaj yeem tswj tau los ntawm wireless transmitter siv Zigbee, Wi-Fi, Bluetooth lossis lwm yam kev cai, thiab yog hardwired los tsim lub hwj chim.Vim cov kev xaiv no, LED muab kev daws teeb meem los hloov xim los yog CCT kom tau raws li tib neeg circadian rhythms.
Circadian Rhythm
Nroj tsuag thiab tsiaj txhu nthuav tawm cov qauv ntawm kev coj cwj pwm thiab kev hloov pauv ntawm lub cev nyob ib puag ncig li ntawm 24-teev lub voj voog uas rov ua tiav ntau hnub-cov no yog circadian rhythms.Circadian rhythms cuam tshuam los ntawm exogenous thiab endogenous rhythms.
Lub circadian atherosclerosis yog tswj los ntawm Melatonin uas yog ib qho ntawm cov tshuaj hormones loj hauv lub hlwb.Thiab nws induces tsaug zog kuj.Melanopsin receptors teem lub circadian theem nrog xiav lub teeb thaum sawv los ntawm kaw melatonin ntau lawm". tag nrho nkag mus rau ntau theem ntawm kev pw tsaug zog, uas yog lub sijhawm tseem ceeb ntawm kev kho mob rau tib neeg lub cev. Tsis tas li ntawd, qhov cuam tshuam ntawm circadian cuam tshuam txuas ntxiv tshaj li kev nco qab thaum nruab hnub thiab pw tsaug zog hmo ntuj.
Txog cov kab mob lom neeg hauv tib neeg tuaj yeem ntsuas tau ntau txoj hauv kev, feem ntau, pw tsaug zog / tsaug zog, lub cev kub, melatoninconcentration, cortisol concentration, thiab Alpha amylase concentration8.Tab sis lub teeb yog thawj synchronizers ntawm circadian rhythms rau hauv zos txoj hauj lwm hauv ntiaj teb, vim tias Lub teeb siv zog, spectrum faib, lub sijhawm thiab sijhawm tuaj yeem cuam tshuam rau tib neeg circadian system.Lub sij hawm ntawm lub teeb raug tuaj yeem ua ntej lossis ncua lub moos sab hauv "Lub circadian rhythms yuav cuam tshuam rau tib neeg txoj kev ua tau zoo thiab kev nplij siab thiab lwm yam. Cov tib neeg circadian system yog qhov rhiab heev rau lub teeb ntawm 460nm (xiav cheeb tsam ntawm qhov pom spectrum), whereas lub nrig txog kev pom system yog feem ntau rhiab heev. mus rau 555nm (thaj chaw ntsuab). Yog li yuav ua li cas siv lub tunable CCT thiab siv los txhim kho lub neej zoo yog qhov tseem ceeb dua thiab ntau dua.Color tunable LEDs nrog kev sib xyaw ua ke thiab kev tswj hwm tuaj yeem tsim kom tau raws li qhov kev ua tau zoo, kev noj qab haus huv teeb pom kev zoo. .
Fig.1 Lub teeb muaj cov nyhuv dual ntawm 24-teev melatonin profile, mob hnyav thiab Phase-Shifting nyhuv.
Pob tsim
Thaum koj kho qhov ci ci ntawm cov pa halogen
teeb, xim yuav raug hloov.Txawm li cas los xij, cov pa LED tsis tuaj yeem hloov xim kub thaum hloov qhov ci, ua raws li kev hloov pauv ntawm qee qhov teeb pom kev zoo.Nyob rau hauv cov hnub dhau los, ntau lub qhov muag teev yuav siv coj nrog ntau CCT LEDs ua ke ntawm PCB boardto
hloov lub teeb xim los ntawm kev hloov tsav tam sim no.Nws xav tau txoj kev teeb pom kev zoo hauv Circuit Court tsim los tswj CCT, uas tsis yog ib qho yooj yim ua hauj lwm rau luminaire chaw tsim tshuaj paus.Raws li lub teeb pom kev zoo tsim, lub compact teeb pom kev zoo fixture xws li chaw teeb thiab down teeb, hu forsmall loj, siab ceev LED modules, thiaj li yuav Txaus siab rau ob qho tib si xim tuning thiab compact lub teeb qhov yuav tsum tau, tunable xim COBs tshwm sim hauv khw.
Muaj peb yam qauv ntawm cov xim-tuning hom, thawj, nws siv CCT sov CSP thiab txias CCT CsP bonding ntawm lub PCB board ncaj qha raws li illustrated nyob rau hauv daim duab 2.Qhov thib ob hom tunable COB nrog LES puv nrog ntau kab txaij sib txawv CCT phosphor. siliconesas qhia hauv daim duab
3.Qhov kev ua haujlwm no, ib txoj hauv kev thib peb yog ua los ntawm kev sib xyaw sov CCT CSP LEDs nrog xiav flip-chips thiab ze ze rau ntawm lub substrate.Tom qab ntawd ib lub pas dej dawb uas muaj silicone yog dispensed rau ib puag ncig lub sov-dawb CSPs thiab xiav flip-chips. Thaum kawg , nws tau ntim nrog phosphor muaj silicone ua kom tiav ob xim COB module raws li qhia hauv Fig.4.
Fig.4 Cov xim sov CSP thiab xiav flip nti COB (Structure 3- ShineOn txoj kev loj hlob)
Muab piv rau Cov Qauv 3, Cov Qauv 1 muaj peb qhov tsis zoo:
(a) Cov xim sib xyaw ntawm cov sib txawv CSP lub teeb pom kev sib txawv hauv CCTs sib txawv tsis sib xws vim qhov sib cais ntawm phosphor silicone tshwm sim los ntawm cov chips ntawm CSP lub teeb ci;
(b) Lub teeb ci CSP puas yooj yim nrog lub cev kov;
(c) Qhov sib txawv ntawm txhua qhov CSP lub teeb ci yog yooj yim rau ntxiab cov plua plav kom ua rau COB lumen txo;
Structure2 kuj muaj nws qhov tsis zoo:
(a) Tsis yooj yim hauv kev tsim cov txheej txheem tswj thiab CIE tswj;
(b) Cov xim sib xyaw ntawm cov seem CCT sib txawv tsis sib xws, tshwj xeeb tshaj yog rau cov qauv nyob ze.
Daim duab 5 muab piv rau MR 16 teeb ua nrog lub teeb ci ntawm Structure 3 (sab laug) thiab Structure 1 (sab xis).Los ntawm daim duab, peb tuaj yeem pom Cov Qauv 1 muaj lub teeb ntxoov ntxoo nyob rau hauv nruab nrab ntawm thaj chaw emitting, thaum lub teeb ci siv hluav taws xob ntawm cov qauv 3 yog qhov sib txawv dua.
Daim ntawv thov
Nyob rau hauv peb txoj kev siv Structure 3, muaj ob qhov sib txawv hauv Circuit Court tsim rau lub teeb xim thiab brightness tuning.Nyob rau hauv ib tug ib-channel circuits uas muaj ib tug yooj yim tsav tsheb yuav tsum tau, lub dawb CSP hlua thiab xiav flip-chip hlua yog txuas nyob rau hauv parallel.Nws yog ib tug ruaj resistorin CSP hlua.Nrog cov resistor, cov tsav tam sim no tau muab faib nruab nrab ntawm CSPs thiab xiav chips uas ua rau muaj kev hloov pauv ntawm cov xim thiab qhov ci ntsa iab.Cov ntsiab lus tuning tau pom nyob rau hauv daim duab 1 thiab daim duab 6. Cov xim tuning nkhaus ntawm ib leeg-channel circuitis qhia hauv daim duab 7.CCT nce qhov tsav tam sim no.Peb tau pom ob txoj kev coj tus cwj pwm nrog ib qho kev ua raws li cov pa halogen bulband lwm qhov kev sib tw ntau dua.Lub tunable CCT ntau yog los ntawm 1800K txog 3000K.
Rooj 1.Flux thiab CCT hloov nrog tsav tam sim no ntawm ShineOn ib-channel COB Model 12SA
Fig.7CCT tuning nrog rau blackbody nkhaus nrog tsav tam sim no nyob rau hauv ib-channelcircuit tswj COB (7a) thiab ob
kev coj tus cwj pwm nrog cov txheeb ze luminance hauv kev siv rau Halogen teeb (7b)
Lwm tus tsim siv ib lub voj voog dual-channel uas CCT tunable npaj yog dav dua li ib-channelcircuit.The CSP stringand xiav flip-chip stringare hluav taws xob cais ntawm lub substrate thiab yog li nws yuav tsum tau tshwj xeeb fais fab mov.Cov xim thiab brightness yog tuned los ntawm tsav ob lub voj voog ntawm qhov xav tau qib tam sim no thiab qhov sib piv.Nws tuaj yeem kho tau los ntawm 3000k txog 5700Kas qhia hauv daim duab 8 ntawm ShineOn dual-channel COB qauv 20DA.Table 2 teev cov ncauj lus kom ntxaws qhov tshwm sim uas tuaj yeem ua tib zoo simulate hnub lub teeb hloov thaum sawv ntxov mus rau yav tsaus ntuj.By combining siv cov neeg nyob sensor thiab tswj. circuits, lub teeb ci tunable no pab txhawb kev nthuav dav rau lub teeb xiav thaum nruab hnub thiab txo qhov cuam tshuam rau lub teeb xiav thaum hmo ntuj, txhawb nqa tib neeg txoj kev noj qab haus huv thiab kev ua haujlwm ntawm tib neeg, nrog rau cov teeb pom kev zoo.
Cov ntsiab lus
Tunable LED Modules tau tsim los ntawm kev sib txuas
chip scale pob (CSP) thiab chip on board (COB) technology.CSPsand xiav flip nti yog kev koom ua ke ntawm COB lub rooj tsavxwm kom ua tiav lub zog loj thiab cov xim sib xws, cov qauv dual-channel yog siv los ua kom tiav qhov dav CCT tuning hauv kev siv xws li teeb pom kev lag luam.Ib leeg-channel qauv yog siv los ua kom tiav qhov dim-rau-sov muaj nuj nqi emulating halogen teeb hauv kev siv xws li tsev thiab tos txais qhua.
978-1-5386-4851-3/17/$31.00 02017 IEEE
Kev lees paub
Cov kws sau ntawv xav lees paub qhov nyiaj txiag los ntawm National Key Research thiab Development
Program ntawm Tuam Tshoj (No. 2016YFB0403900).Tsis tas li ntawd, kev txhawb nqa los ntawm cov npoj yaig hauv ShineOn (Beijing)
Technology Co, kuj tau lees paub ua tsaug.
Cov ntaub ntawv
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