LEDs muaj ntau yam siv hauv peb lub neej. Lawv ua haujlwm ntev thiab ua haujlwm zoo. Tam sim no, peb pom cov LEDs nyob rau hauv yuav luag txhua yam ntawm lub neej. Peb ntxiv faib cov LEDs ua ob hom. Cov no yog COB thiab SMD. COB sawv cev rau "Chip on Board". Thiab SMD stands rau "Nto Mounted Device." 

Hauv kab lus hauv qab no, peb yuav tham txog ob qho tib si. Peb yuav qhia txog yuav ua li cas ob qho tib si ntawm LEDs ua haujlwm. Peb tseem yuav tham txog lawv cov yam ntxwv thiab kev tsim khoom. Peb yuav sib piv lawv cov dej num.

COB LED yog dab tsi?

Nws yog ib qho ntawm cov kev nce qib tshiab hauv thaj tsam ntawm LEDs. Nws muaj ntau yam zoo dua lwm hom LEDs.

Muaj ib qho qauv ntawm LED chips xav tau los tsim COB teeb. Cov chips no zoo sib xws. Ntxiv mus, nws muaj lub hauv paus ua los ntawm silicon carbide. Yog li, peb muaj LED nti nrog lub teeb pom kev zoo, uas zoo ib yam. Qhov no feature ua rau nws zoo meej rau filmmakers. Nws kuj tseem muaj txiaj ntsig zoo rau cov kws yees duab.

COB chips siv cuaj lossis ntau dua diodes. Nws cov kev sib cuag thiab Circuit Court tsis nyob ntawm tus naj npawb ntawm diodes. Qhov tseeb, lawv ib txwm muaj ib lub voj voog thiab ob qhov kev sib cuag. Nws tuaj yeem tsim teeb pom kev zoo dua thaum cov chips loj txog li 250 lumens. Yog li, nws kuj muab lub vaj huam sib luag ib yam vim qhov tsim ntawm nws lub voj voog. Cov no tsis muaj txiaj ntsig hauv cov teeb hloov xim. Nws yog vim qhov no LED siv tsuas yog ib lub voj voog.

Kev nkag siab yooj yim ntawm COB Technology:

Tau kawg, lub teeb tiag tiag yuav yog qhov tseem ceeb ntawm COB LED teeb pom kev zoo. Lub "Chip On Board" (COB) qhia txog lub tswv yim tias txhua chav tsev muaj ntau lub chips LED. Cov chips no nyob ib sab ntawm ib qho chaw ua los ntawm ceramics lossis hlau. LEDs yog semiconductors uas emit lub teeb photons.

Muaj ib lub tswv yim hais tias tus nqi ntawm qhov zoo thiab lub roj teeb runtime yog qhov opposite chaw. Yog tias qhov ci ntsa iab ntau dua, lub sijhawm siv roj teeb yuav luv. COB thev naus laus zis tau hloov qhov tseeb no. COB LEDs tuaj yeem tsim cov qib siab ci ntsa iab nrog qis wattage.

SMD LED yog dab tsi?

SMD hais txog Surface Mounted Devices. SMD yog cov txheej txheem tsim hluav taws xob hluav taws xob. Nyob rau hauv cov txheej txheem no, Circuit Court boards muaj cov khoom mounted rau lawv. SMD LEDs yog me me heev. Nws tsis muaj pins thiab leads. Nws yog zoo dua los ntawm automated los ua ke machinery es ib tug tib neeg. Vim qhov tsis muaj hemispherical epoxy casing, SMD LED kuj muaj qhov dav saib lub kaum ntse ntse.

SMD LEDs tuaj yeem tsim teeb pom kev zoo nrog cov wattage tsawg dua. Nws yog ib hom LED uas sib xyaw peb cov xim thawj hauv ib qho encapsulation. Nws siv cov txheej txheem polarization rau kev sib dhos ntawm lub rooj tsav xwm hauv Circuit Court. Cov cuab yeej zoo yog tsim nyog rau ua tiav cov txheej txheem no. Nws pab kov yeej ntau yam teeb meem. Cov no suav nrog LEDs tsis ua haujlwm.

Kev nkag siab yooj yim ntawm SMD Technology:

SMD kuj ua haujlwm ntawm LED thev naus laus zis. Nws tau hloov cov tshuab qub. Cov qub siv hlau lead thaum tsim khoom. Hauv SMD thev naus laus zis, peb ua qhov txuas ntawm cov khoom siv feeb me me. Yog li, nws occupies ib qho chaw me me. Thiab peb tuaj yeem yooj yim siv cov tshuab no hauv cov khoom siv hluav taws xob me me.

Peb tuaj yeem muaj kev sib sau ua ke ntawm PCB siv lub tshuab no. Cov cuab yeej no txhim kho cov cuab yeej kev ntseeg siab, kev ua haujlwm, thiab kev ua haujlwm.

Qhov txawv ntawm COB LED thiab SMD LED:

Tam sim no, peb yuav tham txog qee qhov nta uas paub qhov txawv ntawm cov hom LED no. Cov yam ntxwv zoo no pab peb txiav txim siab seb qhov twg yog qhov zoo dua los siv.

Kev Siv Hluav Taws Xob:

Feem ntau hais lus, COB teeb muab peb lub zog zoo dua. COB LED muaj kev ua haujlwm siab. Yog li, nws yog qhov kev xaiv zoo tshaj plaws rau kev teeb pom kev zoo xav tau.

Tab sis nco ntsoov ob qho tib si ntawm cov LEDs no muaj zog heev. Lawv muaj kev ua tau zoo dua piv rau cov qij filament. Thiab yog li ntawd lawv tau dhau los ua kev xaiv nrov dua li cov qij no.

Nrog SMD thiab COB, lub zog efficiency nyob ntawm qhov lumens siv. Thaum muaj ntau dua lumens, lub zog ua haujlwm zoo dua. Kev ua tau zoo yog qis dua rau SMD piv rau COB.

Xim thiab xim kub:

Cov yam ntxwv tom ntej ntawm peb daim ntawv teev npe yog xim thiab xim kub. Txog qhov no, SMD zoo dua COB. SMD muab peb ntau yam xim. Cov xim kub yog adjustable ntau rau SMD.

Muaj peb xim thawj, RGB, siv hauv SMD. Peb tuaj yeem xyaum ua cov xim uas siv cov xim thawj. SMD yeej ua rau nws yooj yim dua kom ua tiav cov xim. SMD LED kuj hloov pauv hloov xim kub.

Tab sis COB LED tsis muaj qhov chaw no. Koj tsis tuaj yeem hloov xim kub thiab xim. Nws muaj cov qauv tsim uas tso cai rau lub emission ntawm ib qho xim xwb. Tab sis muaj ib qho koob hmoov hauv kev zais ntawm no. Vim lub emission ntawm tsuas yog ib tug xim, nws muab peb nrog ntau ruaj khov teeb pom kev zoo.

Qhov Zoo Ntawm Lub Teeb:

Ob qho tib si ntawm cov thev naus laus zis no txawv ntawm qhov zoo ntawm lub teeb. Nws yog feem ntau vim muaj cov yam ntxwv sib txawv uas lawv muaj. SMD thiab COB muaj ntau tus lej sib txawv. Cov diodes no cuam tshuam qhov ntau thiab qhov ci ntawm lub teeb.

Siv SMD thev naus laus zis, lub teeb tsim muaj lub ntsej muag rau nws. Lub teeb no zoo tagnrho thaum peb siv nws ua lub teeb taw tes. Nws yog vim hais tias lub teeb tsim tau los ntawm coupling ntau lub teeb qhov chaw.

Siv COB thev naus laus zis, peb yuav muaj qhov tsis pom kev, txawm tias lub teeb. COB tsim ib lub teeb ci. Lub teeb lub teeb no yog ib yam thiab yooj yim hloov. Nws yog qhov zoo dua vim nws tsim lub kaum sab xis dav nqaj kaum sab xis. Li no, peb tuaj yeem piav qhia nws zoo dua li lub teeb saum npoo.

Tus nqi tsim khoom:

Peb paub tias ntau yam khoom siv siv COB thiab SMD thev naus laus zis. Tus nqi ntawm cov khoom siv no yuav txawv. Nws nyob ntawm tus nqi ua haujlwm thiab tus nqi tsim khoom.

Rau SMD, tus nqi tsim khoom yog siab dua. Piv txwv li, peb sib piv kev ua haujlwm, khoom siv, thiab kev tsim khoom. Qhov kev sib piv no qhia tau hais tias SMD yog kim dua li COB. Nws yog vim SMD ua rau 15% ntawm cov khoom siv. Thiab cov txiaj ntsig COB rau 10% ntawm cov khoom siv. Nws qhia tau tias tom kawg tuaj yeem txuag koj li 5%. Tab sis nco ntsoov cov no yog cov kev suav dav dav. Txawm li cas los xij, nws yog qhov tseeb tias SMD yog kim piv rau COB.

brightness:

LED technology tsim teeb ci dua. Cov teeb no zoo dua niaj hnub no rau filament qhov muag teev. Tab sis ntawm COB thiab SMD, qhov ci ntsa iab txawv. Nws kuj yog vim qhov txawv ntawm qhov lumens.

Rau COB, peb muaj tsawg kawg yog 80 lumens ib watt. Thiab rau SMD, nws tuaj yeem yog los ntawm 50 mus rau 100 lumens ib watt. Li no, COB teeb pom kev zoo dua thiab zoo dua.

Cov txheej txheem tsim:

Ob qho LEDs no muaj qhov sib txawv cov txheej txheem tsim khoom. Rau SMD, peb siv insulating kua nplaum thiab cov kua nplaum conductive. Peb siv cov nplaum no los txuas cov chips. Cov chips tau kho ntawm lub ncoo. Nws yog ces welded thiaj li hais tias nws muaj ib tug ruaj tuav. Cov ntaub qhwv no muaj nyob rau hauv lub teeb lub teeb. Tom qab ntawd, peb ua qhov kev xeem ua haujlwm. Qhov kev sim no ua kom ntseeg tau tias txhua yam zoo. Tom qab kev ntsuas kev ua tau zoo, peb txheej nws nrog epoxy resin.

Rau COB, cov chips txuas ncaj qha rau PCB. Nws kuj tseem muaj kev ntsuas kev ua tau zoo thiab tom qab ntawd coated nrog epoxy resin.

daim ntawv thov:

COB thiab SMD muab peb ntau hom kev siv. Cov SMD teeb no zoo dua rau:

• Kos npe
• Teeb pom kev lag luam thaj chaw
• Koom haum
• Tuav
• Khw nojmov
• Chaw ntiav pw
• Cov khw muag khoom

COB technology muaj ntau yam kev siv. Feem ntau hais lus, lawv yuav ua haujlwm zoo dua rau kev lag luam thiab kev nyab xeeb lub hom phiaj. Cov nqaj uas COB teeb tsim thiab lawv qhov ci ci ua rau lawv haum rau cov hom phiaj no. Ua ntej txiav txim siab seb lub tshuab twg yog qhov zoo tshaj rau koj, koj yuav tsum xav txog txhua yam.

Yam LED twg siv tau ntau dua?

LED teeb tau invaded yuav luag txhua yam ntawm peb lub neej txhua hnub. Txhawm rau nkag siab qhov txawv ntawm SMD thiab COB, peb coj ob qho piv txwv.

Yees duab:

COB LED teeb muaj ntau tshaj plaws nyob rau hauv cov ntaub ntawv ntawm kev yees duab. Tam sim no peb paub tias COB LED muaj lub kaum sab xis dav. Vim qhov no, lawv tsim luminous uniformity. Qhov no feature ua rau nws nyiam rau cov kws yees duab thiab filmmakers.

Architectural Teeb pom kev zoo:

Hauv cov teeb pom kev dav dav, peb nyiam SMD LEDs. Piv txwv li, rau diffused vaj huam sib luag teeb, muaj ib tug frosted diffuser. Nws npog qhov teeb pom kev zoo. Yog li peb siv SMD LEDs.

Whereas rau kev siv teeb pom kev zoo, peb nyiam COB LED. Nyob rau hauv rooj plaub ntawm architectural teeb pom kev zoo, peb xav tau zoo dua nqaj kaum sab xis. Yog li peb siv COB LED. Nws kuj tsim nyog rau cov xwm txheej zoo nkauj.

Dab tsi LED yog ci dua thiab zoo dua?

Peb yam txiav txim siab seb LED twg zoo dua. Cov no yog cov hauv qab no:

• Nqi-ua tau zoo
• Zog efficiency
• brightness

Nqi-effectiveness:

Ua ntej, xav txog tias LED teeb yog kev lag luam ntau dua li lwm cov qij. Vim lawv lub neej ntev, kev siv hluav taws xob, thiab ci ntsa iab, lawv nrov dua. Thiab thaum nws los txog rau COB thiab SMD LEDs, tus qub yog tus nqi ntau dua.

Zog Zog:

Ib zaug ntxiv, nws yog qhov tseeb tias LED teeb yog txuag hluav taws xob ntau dua li lwm cov qij. Nyob nruab nrab ntawm ob qhov no, qhov no feature tso siab rau cov lumens siv. Thaum muaj ntau dua lumens siv, muaj zog ntau dua.

brightness:

Thaum peb tham txog teeb, thawj yam uas los rau hauv siab yog lawv qhov ci. COB LED yog ci dua. Nws yog vim nws ua haujlwm ntawm lub lumen siab dua piv rau SMD LED.

Dab tsi yog qhov zoo sib xws ntawm COB LED thiab SMD LED?

Peb tau tham txog cov ntsiab lus tseem ceeb sib txawv ntawm ob lub thev naus laus zis no. Tab sis, tau kawg, lawv yog ob qho tib si LED thev naus laus zis. Lawv muaj ntau qhov sib xws ntawm lawv. Cia peb mus dhau qhov zoo sib xws luv luv:

• Cov chips ntawm ob lub thev naus laus zis no muaj ntau lub diodes tam sim no ntawm lawv qhov chaw.
• Cov chips ntawm ob lub thev naus laus zis no muaj ob qhov kev sib cuag thiab 1 Circuit Court.
• Txawm hais tias lawv sib txawv ntawm tus nqi, ob qho tib si ntawm no yog ci dua thiab txuag hluav taws xob.
• Ob qho no siv cov thev naus laus zis LED.
• Ob leeg ntawm cov LEDs no muaj cov qauv yooj yim thiab lub neej ntev.

xaus:

Hais txog cov lus qhia lossis teeb pom kev, LED thev naus laus zis zoo dua rau lwm tus. Lawv zoo dua nyob rau hauv cov nqe lus ntawm lub neej ntev, lub zog efficiency, thiab brightness. Yog vim li cas peb xav kom koj nyiam LED teeb dua lwm qhov muag teev.

Txawm li cas los xij, COB LED tshaj nws cov khoom siv hauv ntau yam tseem ceeb. Tab sis txhua yam nyob ntawm lub hom phiaj uas koj tab tom saib ntawm LED.

Cov ncej no tau qhia txog kev nkag siab yooj yim ntawm SMD thiab COB LED thev naus laus zis. Ntawm cov ntsiab lus twg lawv txawv ntawm ib leeg? Dab tsi zoo sib xws COB LED thiab SMD LED muaj? Qhov twg yog qhov tsim nyog rau koj txoj kev lag luam? Tom qab nyeem tsab xov xwm no, peb cia siab tias koj tuaj yeem txiav txim siab yooj yim uas LED thev naus laus zis haum rau koj.

Peb yog lub Hoobkas tshwj xeeb hauv kev tsim cov khoom lag luam zoo LED strips thiab LED neon teeb.
Thov hu rau peb Yog tias koj xav tau yuav cov teeb ci LED.