COB LED - Nws yog dab tsi? Nws puas zoo dua?

LED teeb tau txuas ntxiv mus tshawb fawb thiab txhim kho txhawm rau txhim kho lawv txoj kev siv, yoog raws, thiab kev siv hluav taws xob tag nrho. LED teeb tau dhau los ua neeg nyiam vim tias lawv yuav kav ntev txog 25 npaug ntev dua li cov teeb pom kev zoo thaum siv hluav taws xob tsawg dua.

Hnub no, ob lub ntsiab ntawm lub teeb yog COB LED teeb thiab SMD LED teeb, ob qho tib si yog ntau yam ntawm LED teeb uas tam sim no muaj. Ob qho tib si ntawm cov khoom no tsim lub teeb pom kev zoo, muaj lub neej ntev ntev, thiab khav theeb qhov ua tau zoo tshaj plaws uas tau ua tiav rau hnub no.

Hauv qhov tshwj xeeb no, peb yuav tham txog COB LEDs, uas yog qhov kev hloov tshiab tshiab tshaj plaws los ntawm kev lag luam LED thiab muab ntau cov txiaj ntsig uas tsis muaj nrog cov kev xaiv yav dhau los.

Dab tsi yog COB LED?

Cov txheej txheem hu ua "Chip on Board" (COB) yog ib qho kev nce qib tsis ntev los no hauv thaj chaw ntawm LEDs. Thaum muab piv rau lwm cov qauv, peb tuaj yeem hais tau tias nws yog qhov tsis ntev los no thiab cov tho kev hauv nws txoj hauv kev.

COB teeb yog tsim los ntawm kev teeb tsa ntawm LED chips uas txuas nrog lub hauv paus tsim ntawm silicon carbide. Cov chips no nruj nreem ntim ua ke. Raws li qhov tshwm sim ntawm qhov no, lub colossal LED nti nrog lub teeb pom kev zoo sib xws yog tsim, uas ua rau cov kev xav tau ntawm ntau tus kws tshaj lij kev lag luam, suav nrog cov kws yees duab thiab cov neeg ua yeeb yaj kiab.

Feem ntau, muaj cuaj lossis ntau dua diodes tam sim no ntawm COB chips. Txawm hais tias muaj pes tsawg diodes COB nti muaj, nws tsuas yog muaj tag nrho ntawm ob qhov kev sib txuas thiab ib lub voj voog. Qhov no tuaj yeem ua rau muaj teeb pom kev zoo dua ntawm cov nti loj, txog li 250 lumens (ntawm 20mA). Lub hauv paus tsim Circuit Court ntawm cov nti pab txhawb rau lub vaj huam sib luag zoo li COB LED teeb.

Nyob rau hauv sib piv rau SMD LED teeb, COB LED teeb tsis tuaj yeem siv los tsim teeb lossis teeb nrog cov xim sib txawv. Qhov no yog vim tias tsuas muaj ob qhov kev sib txuas, thiab yog li ntawd tsuas yog ib lub voj voog, tag nrho. Nws yuav siv ntau txoj kev hloov kho kom rub tawm qhov tsis pom kev ntawm cov xim morphing rau ib leeg. COB LED teeb yog li no tau txais txiaj ntsig thaum siv hauv cov ntawv thov uas tsuas yog xav tau ib xim.

COB LEDs muaj pes tsawg teev ntawm lub neej?

Yuav siv COB LED li cas, nrog rau cov cua sov uas nws tau raug, yog qhov txiav txim siab seb nws yuav kav ntev npaum li cas. Lub COB LED muaj lub neej ntev uas ntsuas qhov nruab nrab ntawm 50, 000 teev. Qhov ntawd yog qhov xav tias ib tus neeg siv lawv li 12 teev txhua hnub.

Vim li cas COB LEDs yog qhov tseem ceeb thaum siv lub zog los ntawm lub roj teeb?

Thaum tsim lub teeb pom kev zoo uas siv los ntawm cov roj teeb, yeej ib txwm muaj kev sib haum xeeb uas yuav tsum tau ua los ntawm cov txiaj ntsig zoo ntawm lumen tso zis (brightness) thiab tus nqi ntawm lub sijhawm ua haujlwm uas tuaj yeem ua tiav los ntawm kev ua haujlwm roj teeb. Yog tias koj siv lub roj teeb ntawm tib qhov loj, nce qhov zoo ntawm lub teeb pom kev zoo uas koj xav tau yuav ua rau txo qis ntawm lub sijhawm lub roj teeb yuav kav ntev. Txij li thaum txoj kev loj hlob ntawm COB LED thev naus laus zis, qhov no tau dhau los ua teeb meem tsawg dua rau kev txhawj xeeb.

Lub teeb uas tuaj yeem tsim los ntawm COB LEDs, uas siv lub zog me me, yog qhov zoo tshaj plaws thiab ci ntsa iab heev. Raws li qhov tshwm sim ntawm qhov no, lub pob me me thiab lub teeb yuag lithium-ion roj teeb muaj peev xwm muab lub zog rau lub teeb pom kev zoo uas yog raws li COB LEDs rau lub sijhawm ntev.

Dab tsi yog qhov txawv ntawm COB LED thiab Regular LED?

Ib qho tseem ceeb ntawm kev paub nrog Surface-Mounted Device (SMD) LEDs yog qhov tsim nyog ua ntej yuav mus ntxiv. Lawv yog nyob deb ntawm cov LEDs nrov tshaj plaws tam sim no muaj nyob hauv khw niaj hnub no. Vim tias nws muaj ntau yam, LED nti tau ruaj ntseg rau lub rooj tsav xwm luam tawm thiab pom kev siv ntau yam kev siv. Nws tseem yog siv nyob rau hauv lub teeb ceeb toom uas pom ntawm smartphones. Ib qho ntawm cov yam ntxwv zoo tshaj plaws ntawm SMD LED chips yog cov diodes siab thiab kev sib txuas uas tau ntim rau txhua tus neeg nti.

Ntawm SMD LED chips, muaj peev xwm rau ntau tshaj ob qhov kev sib txuas. Ntawm ib lub nti, nws tuaj yeem nrhiav tau txog peb lub diodes, txhua tus muaj nws tus kheej circuit. Hauv txhua lub voj voog, ib qho anode thiab cathode yuav raug siv, uas yuav ua rau lub nti nrog 2, 4, lossis 6 kev sib txuas.

Kev sib piv ntawm COB thiab SMD LEDs thiab lawv qhov sib txawv

Ntawm ib qho SMD LED nti, tuaj yeem muaj ntau li peb tus kheej diodes, txhua tus muaj nws tus kheej circuit. Cov chips no muaj ib tus neeg circuitry uas tsuas muaj ib qho anode thiab ib qho cathode, uas ua rau 2, 4, lossis 6 kev sib txuas. Feem ntau, COB nti yuav suav nrog cuaj lossis ntau dua diodes. Tsis tas li ntawd, tus naj npawb ntawm diodes hauv COB nti tsis cuam tshuam qhov tseeb tias nws tsuas muaj ob qhov kev sib cuag thiab ib lub voj voog. Vim tias qhov kev tsim qauv yooj yim dua ntawm SMD LED teeb lub voj voog, cov teeb no tshwm sim los ntawm cov teeb me me, qhov COB LED teeb muaj qhov zoo li ntawm lub vaj huam sib luag.

Ib qho liab, ntsuab, thiab xiav diode tej zaum yuav muaj nyob rau hauv SMD LED nti. Hloov cov theem tso zis thaum siv cov peb lub diodes ua rau koj tsim cov xim los ntawm kev hloov qib. COB LED teeb, ntawm qhov tod tes, tsuas yog muaj ob qhov kev sib txuas thiab ib qho kev sib txuas. Lawv tsis muaj peev xwm siv tau hauv kev tsim cov xim hloov xim lossis cov qij. Ntau qhov kev hloov kho channel yuav tsum tau ua kom tiav qhov zoo ntawm kev hloov xim. Raws li qhov tshwm sim ntawm qhov no, COB LED teeb ua haujlwm zoo rau kev siv tsuas yog ib qho xim, tab sis lawv tsis muaj txiaj ntsig rau kev siv uas xav tau ntau xim.

Nws yog qhov paub zoo tias SMD chips muaj qhov ci ntsa iab uas nyob qhov twg los ntawm 50 txog 100 lumens ib watt uas lawv tsim. COB yog qhov paub zoo rau nws qhov kev ua haujlwm kub zoo nrog rau nws qhov lumens-rau-watt piv. COB chips yuav muaj peev xwm tso tawm ntau lumens thaum siv lub zog tsawg dua yog tias lawv ua tiav qhov tsawg kawg nkaus ntawm 80 lumens ib watt. Nws yog siv nyob rau hauv ntau yam ntawm qhov muag teev thiab daim ntawv thov, xws li lub flash ntawm koj lub koob yees duab point-and-shoot lossis lub flash ntawm koj lub xov tooj ntawm tes.

Thaum nws los txog rau SMD LED chips, yuav tsum muaj peev xwm qis dua tam sim no; ntawm qhov tod tes, thaum nws los txog rau COB LED chips, yuav tsum muaj lub zog sab nraud nrog lub peev xwm loj tam sim no.

Vim li cas Koj Yuav Tsum Mus Rau COB LED?

Raws li txoj cai dav dav ntawm tus ntiv tes xoo, COB LED teeb, uas tseem hu ua chip-on-board teeb, yog cov teeb pom kev zoo dua. Qhov no yog vim lawv siv cov reflectors, uas tso cai rau lawv kom mloog zoo thiab tswj lub teeb uas tsim. Tsis tas li ntawd, lawv tsis muaj lub lens frosted uas feem ntau suav nrog SMD LED teeb.

COB LEDs yog hom siab dua ntawm LED uas muaj qhov zoo li qhov muaj txiaj ntsig ntau. Yog tias koj npaj yuav khaws koj lub teeb ci LED rau lub sijhawm ntev, COB yog hom teeb uas koj yuav tsum tau txais; Txawm li cas los xij, yog tias koj nyob hauv cov peev txheej, SMD yuav ua.

Koj tuaj yeem cia siab tias qhov illumination uas yog lucid thiab ci ntsa iab. Piv txwv li, COB LED teeb yog ib qho kev xaiv zoo rau siv nyob rau hauv cov chaw uas muaj qab nthab siab.

Cov txiaj ntsig thiab qhov tsis zoo ntawm kev siv COB LEDs

Cov txiaj ntsig ntawm kev siv COB LED

Nws tsim ntau lumens thaum noj tsawg zog, uas yog ib qho txiaj ntsig tseem ceeb.

* Kev sib koom ua ke ntawm ntau lub diodes ua rau muaj kev nce ntxiv ntawm lub teeb. Vim tias tsuas muaj ib cheeb tsam me me uas lub teeb tuaj yeem tawm tau, lub gadget yog qhov compact heev. Raws li qhov tshwm sim ncaj qha ntawm qhov no, lub lumen tso zis ib square centimeter lossis nti tau nce ntau heev.
* Ib lub voj voog uas muaj ob qhov kev sib txuas nkaus xwb yog ua haujlwm hauv COB LEDs txhawm rau txhawm rau qhib ntau lub diode chips uas nyob hauv LEDs. Raws li qhov tshwm sim ncaj qha ntawm qhov no, muaj cov khoom siv tsawg dua rau txhua lub LED nti rau nws ua haujlwm zoo. Tsis tas li ntawd, cov cua kub uas tsim los ntawm txhua LED nti tuaj yeem raug txo los ntawm kev txiav cov naj npawb ntawm cov khoom siv thiab ua tam sim ntawd nrog cov txheej txheem ntim khoom rau LED chips hauv kev tsim vaj tsev. Tag nrho qhov kub thiab txias ntawm lub rooj sib txoos yog tswj tau ntau dua los ntawm qhov tshwj xeeb simplicity uas nws tuaj yeem ntsia tau rau hauv lub dab dej sab nraud. Khaws cov khoom ntawm qhov kub zoo ib yam tso cai rau lawv ua haujlwm ntau dua thiab siv sijhawm ntev dua, uas ua rau txuag nqi. Ob qho kev pom tseeb thiab kev ua haujlwm tau nce ntxiv vim qhov kev hloov pauv no.

* Nws muaj thaj tsam loj loj vim tias nws tuaj yeem npog thaj tsam loj nrog tsuas yog ib nti. * Zoo heev tiv thaiv kev vibration zoo

Disadvantages ntawm COB LED

Ib qho hluav taws xob sab nraud uas tau ua tib zoo tsim. Qhov no yog vim hais tias nws yog ib qho tsim nyog yuav tsum tswj xyuas qhov tam sim no thiab qhov hluav taws xob tsis tu ncua txhawm rau tiv thaiv cov diodes los ntawm kev puas tsuaj. Nws yog ib qho tseem ceeb uas yuav tsum muaj lub dab dej kub uas tau xav tau tsim. Lub diode yuav ua rau tsis muaj txiaj ntsig vim qhov kub thiab txias yog tias cov khoom cua sov tsis raug tso cai.

Lub teeb ci ntsa iab uas tau tawm los ntawm qhov chaw kaw yog lub luag haujlwm rau kev tsim cov cua sov ntau. Cov teeb pom kev zoo uas tau tsim nrog cob chips yog qhov nyuaj dua los kho. Qhov no yog vim lub fact tias nyob rau hauv cov kev tshwm sim uas ib tug diode nyob rau hauv ib tug COB raug mob raws li ib tug tshwm sim ntawm ib tug mechanical txhaum, tag nrho cov coj COB yuav tsum tau hloov nrog ib tug tshiab qauv. Nyob rau hauv rooj plaub ntawm SMD LED, ntawm qhov tod tes, nws tsis yog qhov nyuaj los hloov cov khoom tsis raug txhawm rau kom tau txais cov cuab yeej rov qab thiab khiav ntawm tus nqi txo. Muaj qhov txwv tsis pub muaj xim, thiab tus nqi ntau dua li ntawm SMD chips.

COB LED muaj ntau yam kev siv

COB LEDs muaj txiaj ntsig zoo hauv ntau lub ntsiab lus, xws li hauv tsev mus rau kev lag luam thiab kev lag luam, thiab qee qhov ntawm cov ntsiab lus muaj xws li hauv qab no:

* COB LEDs yuav siv ntau yam teeb pom kev zoo hauv lub xeev (SSL) hloov rau cov hlau-halide qhov muag teev nyob rau hauv ntau yam kev siv teeb pom kev zoo nrog rau kev teeb pom kev zoo, teeb pom kev zoo, teeb pom kev zoo, downlights, thiab cov teeb pom kev zoo.

* Vim yog lub kaum sab xis ntawm lawv cov nqaj, lawv yog cov khoom siv tau zoo rau kev suav nrog hauv LED teeb pom kev zoo uas yog npaj rau kev teeb tsa hauv chav nyob thiab chav tsev loj. Thaum tsaus ntuj, thaj chaw xws li chaw ua si, vaj, lossis chaw ntau pob loj yuav tsum muaj ntau cov lumens kom pom kev txaus.

* Cov ntawv thov ntxiv suav nrog cov qauv teeb pom kev zoo rau txoj hauv kev thiab txoj kev hauv tsev, hloov cov teeb pom kev zoo fluorescent, LED teeb thiab lub teeb strips, lub teeb nyem ntawm lub koob yees duab smartphone, thiab lwm yam kev siv zoo sib xws.

Xaus

Raws li cov tsim teeb pom kev zoo tau paub ntau ntxiv txog cov txiaj ntsig ntawm kev siv COB LEDs ntau dua li siv cov khoom siv hluav taws xob ntau dua, kev siv COB LEDs hauv kev siv teeb pom kev zoo tau loj hlob. Vim yog cov laj thawj hauv qab no, nws yog qhov nyuaj kom tsis txhob coj lawv mus rau hauv tus account thaum tsim cov qauv rau kev siv lub teeb ci:

* Lawv lub peev xwm los nthuav ntau qhov chaw LED rau hauv thaj chaw me me, ua rau cov khoom siv lumen zoo dua

* Lawv muaj peev xwm xa cov cua sov mus rau lub dab dej kub kom zoo dua

* Lawv qhov dav ntawm qhov pom * Lawv lub teeb qis dua

* Lawv qhov qis qis dua yog vim lawv qhov kev tsim kho tsis yooj yim dua

* Lawv muaj peev xwm xa cov cua sov mus rau lub dab dej kub kom zoo dua

* Lawv muaj peev xwm xa cov cua sov mus rau lub dab dej kub kom zoo dua

* Lawv lub teeb poob qis

* Lawv muaj peev xwm xa cov cua sov mus rau lub dab dej kub ntau dua

Cov thev naus laus zis tshiab tshaj plaws thiab niaj hnub no yog hu ua COB LEDs. Yooj yim hais tias, lawv tso lub teeb ci uas zoo dua, siv hluav taws xob tsawg, thiab ci dua li yav dhau los LED thev naus laus zis uas tau siv nyob rau hauv feem ntau ntawm cov teeb pom kev lag luam.
 

Txhawm rau saib kev paub txog kev lag luam ntxiv, thov ua tib zoo saibBenwei lub vev xaib official!