Vim li cas peb xaiv LED? Kev soj ntsuam sib txuam ntawm cov txuj ci pib ntawm LED teeb

Cov qauv teeb tsa thiab kev ua haujlwm ntawm LED teeb

LED teeb ua lub teeb ciyog tsuas yog tsim ntawm dawb lub teeb diode (coj nti), lub teeb ua hluav taws xob, hloov hluav taws xob Circuit Court, hluav taws xob thiab roj teeb.

● LED: Nws yog hom khoom hluav taws xob zoo-hloov khoom siv hluav taws xob uas tuaj yeem hloov hluav taws xob ua hluav taws xob ua kom pom kev pom. Nws yog lub ntsiab haujlwm ua haujlwm.

● Lampshade: Nws yog qhov tseem ceeb tiv thaiv kev tiv thaiv LED, thiab tuaj yeem muab cov teeb pom kev sib txawv raws li qhov xav tau ntawm cov neeg siv.

● Hloov ua haujlwm rau tsavcircuit: Nws feem ntau muab cov hluav taws xob txo, hloov pauv tam sim no kom hloov ncaj qha tam sim no, hloov overload thiab overvoltage tiv thaiv lub zog, thiab muab lub zog rau LED.

Radiator: Nws muab kev tiv thaiv kub kom tsis txhob ua haujlwm rau lub zog hloov. Tsim nyog siv radiators yog nyob rau hauv txoj kab nrog kev tsim qauv ntawm convection. Nws ua rau kub sab hauv sai dua thiab ua rau lub teeb pom kev zoo dua.

Holder Cov tuav teeb: Nws muab cov interface, txuas nrog thawj kab kev ua haujlwm, thiab muab cov haujlwm ua haujlwm kho thiab txuas.

Lub plawv ntawm LED teeb yog ib lub semiconductor nti, uas yog lub teeb ci hluav taws xob. Ib qho kawg ntawm cov wafer txuas nrog rau daim ntawv qhia, ib qho kawg yog tus ncej tsis zoo, thiab qhov kawg yog txuas nrog tus ncej zoo ntawm lub hwj huam mov, kom tag nrho cov wafer yog encapsulated los ntawm epoxy cob.

Semiconductor wafers muaj ob ntu, ib qho yog P-hom semiconductor, nyob rau hauv uas cov qhov muaj tswv yim, thiab lwm qhov yog N-hom semiconductor, uas hluav taws xob ua tus thawj. Tab sis thaum ob lub xov tooj hluav taws xob sib txuas, PN kev sib tshuam raug tsim los ntawm lawv. Thaum tam sim no ua nyob rau ntawm lub nti los ntawm xaim, cov xaim hluav taws xob raug thawb mus rau thaj av P, qhov twg cov xaim hluav taws xob tso nrog cov qhov thiab tom qab ntawd tawm lub zog hauv daim duab ntawm photons, uas yog lub hauv paus ntsiab lus ntawm LED luminescence. Kev hloov nthwv dej ntawm lub teeb, xim xim ntawm lub teeb, txiav txim siab los ntawm cov khoom uas ua rau PN kev sib tshuam.

Qhov zoo thiab qhov tsis zoo ntawm LED teeb

Muaj ntau qhov zoo ntawm LED, uas tuaj yeem yuav muab cov ntsiab lus raws li hauv qab no:

1.Nws ncaj qha hloov hluav taws xob mus rau hauv lub teeb, thiab lub zog hloov ntawm hluav taws xob hluav taws xob muaj ze rau 100%. Qhov ua hauj lwm siab thiab txuag hluav taws xob yog qhov tshwm sim heev. Hauv kev tshawb xav, nyob rau hauv tib lub teeb ci, kev siv lub zog ntawm cov dawb LED tsuas yog li 1/10 ntawm lub teeb incandescent, thiab li 1/4 ntawm lub zog-txuag teeb.

Rau qhov ua piv txwv ntxiv, yog tias koj muaj 15 30-W qij nyob hauv koj lub tsev thiab siv lawv li 3 teev ib hnub, koj yuav tsum them 40 las rau lub teeb uas tsis pom kev, 18 las rau lub teeb txuag hluav taws xob, thiab tsuas yog 4 nyiaj rau ib qho kev coj, raws li kev siv hluav taws xob hauv tsev neeg tam sim no ntawm 8 xees ib kilowatt-teev. Yog lawm, rau cov nroog uas tam sim no maj mam paub txog cov khoom lag luam zoo thiab cov kab kev qhia ib qib zuj zus, cov ntaub ntawv sib piv no tseem zoo dua.

2.Led yog cov khoom siv cov hluav taws txias txias hom. Nws yog encapsulated nrog epoxy cob. Tsis muaj qhov xoob nyob hauv lub teeb lub cev. Tsis muaj qhov luv luv xws li hlawv yooj yim, thermal tso thiab ceev nrav teeb, uas ua rau nws txoj kev pabcuam lub neej muaj txiaj ntsig zoo. Nws qhov kev pabcuam theoretical lub neej tuaj yeem ncav ntau dua 50,000 teev, uas yog txwv los ntawm kev siv tshuab tam sim no.

Cov LED feem ntau muaj lub neej ntev dua 25,000 teev, uas yog sib npaug li 24 teev hauv ib hnub rau koj qhov LED, lossis tsawg kawg 3 xyoos (lub teeb pom kev zoo tib yam muaj lub neej nyob ntev txog 1,000 teev thiab lub zog txuag hluav taws xob muaj lub neej) ncua ntawm tsuas yog 8,000 teev). Rau cov tsev neeg zoo tib yam, lub neej ntawm LED ntev dua li koj cov xov hluav taws xob.

3. Lub zog ua haujlwm tsis tu ncua ntawm Led yog tsawg heev, qhov yuav tsum tau ua haujlwm voltage yog tsawg heev, thiab qhov tam sim no me heev. Piv nrog rau cov khoom sib tw uas nquag siv nrog 220V lossis txawm tias lub zog hluav taws xob muaj zog, nws tsis xav tau kev hloov kho ntawm Circuit Court. Nws muaj kev nyab xeeb dua thiab haum rau cov chaw pej xeem thiab lwm yam kev thov tshwj xeeb.

4. Zog txuag hluav taws xob teeb siv hluav taws xob hloov tam sim no, txog 120 strobes hauv ib. Nyeem hauv qab lub teeb txuag hluav taws xob ntev ntev yuav ua rau tib neeg' s ob lub qhov muag mloog zoo li qhuav thiab tsis xis nyob; thaum LED siv ncaj qha tam sim no, uas yuav ua rau lub qhov muag tsis yooj yim kom nkees.

5. Nws muaj qhov kev ntseeg siab tau. Ntawm ib sab tes, tsis muaj ultraviolet thiab duab ci ci ci hauv qhov pom, tshav kub qis thiab tsis muaj hluav taws xob; ntawm qhov tod tes, vim hais tias kev ua tau zoo nyob rau hauv ntau qhov chaw ib txwm muaj, kev siv yog ntseeg tau. Nws tuaj yeem tsim nyog rau kev soj ntsuam qib ua haujlwm, piv txwv li, ntau lub sijhawm pom kev tshaj lij lub koob yees duab siv infrared coj.

6.Txawm nws tso siab rau cov nti ua kom pom lub teeb thiab tsis muaj filaments lossis cov iav npuas, nws nyuaj rau nws puas los ntawm kev sib tsoo hauv lub neej. Nws muaj lub zog poob siab tsis kam thiab seismic kev ua tau zoo. Nws tuaj yeem xa mus rau cov khoom txav nrawm lossis qee yam khoom tshwj xeeb uas tuaj yeem tshee vais.

7. Kev Siv Tau: Cov loj me me, txhua chav ntawm LED nti yog 2-5 hli square thiab duab plaub, yog li nws tuaj yeem npaj mus rau hauv cov duab sib txawv ntawm cov khoom siv, thiab haum rau cov qauv ua ib puag ncig thiab hloov tau.

8. Lub sij hawm teb nrawm tshaj plaws: lub teeb nrawm fluorescent teb lub sijhawm yog thib ob, teeb lub hnub nyoog incandescent yog millisecond, thiab LEDlamp teb lub sijhawm yog nanosecond.

9.LED lub teeb tuaj yeem tsim cov xim sib txawv thiab cov xim kub kom txias, thiab tuaj yeem koom tes nrog tsev dai kom zoo nkauj los tsim cov cua sib txawv hauv tsev.

Txawm li cas los xij, txhua yam yog dual. LED muaj ntau qhov zoo, tab sis kuj muaj qee qhov tsis zoo:

1.Txoj kev teeb pom kev zoo ntawm lub teeb hluav taws xob tsis yog kab ua ke nrog tam sim no thiab qhov hluav taws xob, yog li nws nyuaj rau kom paub lub luminosity kho tau dua li cov cuab yeej siv hluav taws xob teeb pom kev zoo. Qhov no txhais tau tias tom qab koj yuav lub qhov muag teeb roj, koj yuav tsum siv cov nplaim hluav taws xob no tas li kom paub meej mus tas lub neej txoj kev coj.

2.Light-emitting diodes (LEDs) yog cov khoom siv hluav taws xob nrog thaj chaw me thiab muaj kev faib khoom, uas tuaj yeem yog qhov ntsej muag rau cov teeb pom kev zoo. Yog li ntawd, nws tsis haum yuav qee lub teeb hluav taws xob loj hauv LED ncaj qha. Nyob rau hauv cov chaw loj, ntau lub teeb hluav taws xob ntawm LED teeb tau siv ua ke kom muaj kev noj qab haus huv thiab xis nyob dua, uas ua rau muaj kev nce nqi ntawm tag nrho cov nqi thiab qhov cuam tshuam ntawm cov qauv hluav taws xob.

3.Qhov luminous flux ntawm LED yog qhov ntau. Raws li tau hais los saum no, xav tau ntau LED kom ua tiav 360-degree luminescence, uas ua rau muaj qhov nyuaj ntawm cov qauv thiab qhov nce ntawm cov nqi.

Yuav ua li cas xaiv LED teeb?

Kev vam meej ntawm Led tsis tsuas yog cog cov kev ua lag luam ntawm cov khoom lag luam thiab muab cov neeg siv ntau txoj kev xaiv, tab sis kuj ua teeb meem loj rau cov neeg siv khoom. Xav txog: Ntau pua hom, loj thiab me, ntxiv rau tsawg kawg yog 10 tus qauv ntawm txhua lub hom, kiag li ua rau tus ntaj zoo li tsaus muag. Yuav ua li cas" tau tshem ntawm dregs thiab rho tawm tus essence" los ntawm cov lush, ntses-qhov muag coj lub zoov nuj txeeg yog kev ua haujlwm.

1. Xaiv Los ntawm Kev Siv

Tam sim no, cov chaw tsim hluav taws xob LED feem ntau muab ob yam xim kub coj, xim ntsuas kub yog Kelvin (K), qhov ntsuas kub ntawm lub teeb xim liab yog li ntawm 800K txog 900K, qhov kub xim ntawm daj thiab dawb lub teeb yog kwv yees li 3,000 K , qhov xim xim kub ntawm lub teeb dawb yog kwv yees li 5500 K, thiab xim kub ntawm lub teeb xiav lub teeb yog nyob nruab nrab ntawm 8,000 K thiab 12,000 K. Lub teeb xim kub tau xaiv raws li tus kheej nyiam. Piv txwv li, ib tug neeg nyiam lub teeb lub suab sov, yog li nws muaj peev xwm xaiv tau li 3,000 K xim teeb lub teeb kub.

Sov dawb - nws siv lub teeb pom kev zoo dawb lub teeb, tsis muaj zog lub teeb ntau dua, ua kom lub teeb pom kev zoo dua thiab xis dua, feem ntau yog siv rau cov khoom siv dai kom zoo nkauj - sov dawb thiab ntuj dawb yuav ua rau tib neeg sov siab. Nws yog qhov tsim nyog rau siv hauv tsev so thiab chav pw. Sov sov dawb zoo dua li dawb thaum nws siv tsis tsuas yog rau kev kho kom zoo nkauj, tab sis kuj rau lub teeb pom kev zoo nyob ze rau lub qhov muag.

● Dawb (lub teeb dawb) - Nws muaj lub teeb tsa translucent, uas tso cai rau kom ntau li ntau lub teeb tau los ntawm lub diode nkag mus rau sab nraud. Ntau lub teeb ci ntsa iab muaj ntau dua li ntawm 95% kev sib kis, ua rau lawv tsim nyog rau zaub ua lub teeb pom kev zoo. Nws muab cov neeg txias thiab rov qab zoo siab. Nws yog siv hauv chaw ua haujlwm, chav nyob teeb pom kev zoo ntau dua.

2. Xaiv los ntawm lub hwj chim

Tam sim no, LED yog muab faib rau 5 yam tshwj xeeb ntawm 3w, 5w, 7w, 9W thiab 11w, uas tau xaiv raws li tus neeg siv' s teeb pom kev xav tau los ntawm kev hloov pauv ntawm tus kheej (sib npaug hloov nrog teeb lub incandescent).

Qhov no suav nrog ib lo lus nug, vim li cas thiaj tsis muaj ntau lub zogLED?

Terms Hais txog qhov sib npaug ntawm lub zog, lub teeb ci ntsa iab ntawm ib qho 11 w incandescent teeb tau dhau lub teeb pom kev ntawm 100 W. Yog tias nws tsis txaus, feem ntau nws yuav tsum tau siv ntau lub teeb txawb LED kom muab teeb pom kev zoo.

● Los ntawm qhov pom tseeb qhov pom ntawm qhov pom, tam sim no kev txhim kho ntawm LED qhov kev ci ntsa iab (lub zog loj dua) yog qhov kev hloov kho uas yooj yim ntawm cov chips LED. Lub hwj chim loj dua yuav tsum muaj chaw ntau dua los tso ntau cov ceg txheem thaj. Ntau txoj thiab lub zog hloov dua siab xav tau los muab hluav taws xob ntau dua, uas yog qhov tsis zoo txaus los tswj kev tswj hwm.

Tsis siv dav. Lub zog hluav taws xob loj dua LED tsuas yog xav tau los ntawm ib qho me me ntawm cov pej xeem tshwj xeeb. Yog tias tsis siv rau hauv tsev, tuam txhab tsim tawm tsis txaus siab ua qhov kev tshawb fawb ywj pheej thiab kev txhim kho.

3. Xaiv los ntawm cov tub ntxhais sib sau

Nws yog feem ntau hais txog tus qauv ntawm LED nti. Ntau cov neeg ua lag luam (tshwj xeeb tshaj yog cov thawj-kab loj-cov sawv cev) tsis suav cov qauv nti ua cov qauv tseem ceeb thiab lo rau cov kev tshaj tawm, tab sis rau qee cov lag luam muaj zog thiab nruab nrab, qhov no yog lawv qhov muag tseem ceeb.

●LEDnti

Nyob rau xyoo dhau los, LED thev naus laus zis tau hla ntau lub ntiaj teb hloov pauv:

Thawj-tiam coj: Ntshiab liab liab uas tuaj yeem siv tau rau kev ua haujlwm ntawm lub teeb liab cim.

Qhov thib ob tiam ntawm kev coj: pib sim tawm rau qee qhov chaw ntawm cov teeb pom kev zoo thiab siv qee qhov tsis tshua tseem ceeb.

Thib peb tiam coj: kev sib xyaw ntim LED nti. Kev siv ib lossis ntau daim LED coj mus ua qhov ntau thiab tsawg dua ua rau pom kev ci ntsa iab ntau dua rau thaj chaw me.

Qhov thib plaub tiam ntawm kev coj: txhim kho mus rau hauv cov hlaws teeb ua rau nws lub neej ntev dua thiab kaj dua. Nws lub luminous efficiency yog siab dua.

Hauv cov qauv ntawm LED nti, 2835 yog hais txog LED nrog ntim loj ntawm 3.5 * 2.8mm, 5050 yog hais txog LED nrog ntim loj ntawm 5.0 * 5.0mm, thiab 5730also hais txog qhov loj ntawm LED nrog ntim loj ntawm 5.7 * 3.0mm. Qhov tseem ceeb ntawm daim duab no yog tias feem ntau, hauv tib qho kev ua haujlwm, cov kab ntawv loj dua, nws cov nqi ntau dua.

Circuit Court

A. Raws li tau hais ua ntej nyob rau hauv cov cua sov dissipation, qhov kub thiab txias yuav ua rau muaj qhov hloov ntawm qhov tam sim no ntawm kev coj. Yog li, nws yog qhov zoo dua los siv cov hluav taws xob tas mus li los muab lub zog los xyuas kom meej tias kev ua hauj lwm tam sim no ntawm LED tsis cuam tshuam los ntawm qhov kub thiab txias sab nraud. Txawm li cas los xij, hauv kev muaj tiag, cov cuab yeej zoo ib yam tsis tuaj yeem ntsuas tau yooj yim, thiab tsuas yog cia siab rau kev qhia ntawm cov khw' s kev tshaj tawm phau ntawv qhia.

B.We tuaj yeem' t txiav txim rau cov txiaj ntsig hauv Circuit Court rau qee kis - tsis hais txog hauv qab cov tuab tuab npog npog, tab sis peb tseem pom txoj hauv kev yooj yim thiab ceev los txiav txim. Vim tias cov pa hluav taws xob zoo EMC yuav tsum tau tsim qauv zoo, yog li peb pib los ntawm qhov kev pom ntawm EMC. Pom lub xov tooj cua nrog qhov nruab nrab thiab luv nthwv dej muaj nuj nqi, tso lub teeb ci LED; tso lub xov tooj cua ze, qis suab nrov tau txais xov tooj cua, qhov zoo dua EMC ntawm lub teeb nyob hauv kev sim. Yog tias lub suab nrov ntawm LED teeb tuaj yeem hnov ​​tau meej meej hauv ib puag ncig ntsiag to, nws qhia tau tias lub hwj huam hluav taws xob ntawm cov teeb tsis tau zoo heev, thiab tej zaum yuav tsum Jerry ua haujlwm hauv cov khoom siv hluav taws xob

● Cov ntsuas hluav taws xob

Nws yuav tsum nco ntsoov tias qhov kub ntawm LED yog ib qho tseem ceeb tshaj plaws cuam tshuam rau lub neej ntawm LED. Lub tshuab ntsuas hluav taws xob zoo yog qhov lav ntawm nws lub neej ntev. Vim tias thaum qhov kub ambient nce siab, sab hauv ntawm LED teeb ci yuav tsawg zuj zus. Yog hais tias qhov ntsuas hluav taws xob tswj qhov hluav taws xob siv, qhov ua hauj lwm tam sim no ntawm LED yuav nce.

Thaum cov ntsuas qhov ua hauj lwm tam sim no siab dhau, qhov kev pab lub neej ntawm cov khoom lag luam ntawm LED yuav raug cuam tshuam, thiab cov LED yuav raug hlawv tawm tiag tiag. Cov tshuab hluav taws xob dav dav yuav tsum siv tsawg kawg Aerospace aluminiummaterials, thiab siab dua-Aerospace aluminiummaterials nrog anodic oxidation.

4. Xaiv los ntawm Kev Ua Haujlwm

Qhov no yog qhov xav tau heev rau cov neeg siv, vim tias peb yuav tsum qhib cov qauv LED kom pom kev ua haujlwm. Feem ntau, nws tsis tuaj yeem txiav txim siab tsuas yog tias cov chaw tsim khoom muab cov ntu ntawm cov ntaub ntawv hauv cov khoom lag luam (feem ntau ntawm e-lag luam online yuav muab, thaum feem ntau ntawm cov khw muag khoom lub cev tsis muab).

Efficiency Luminous efficiency

Luminescence efficiency yog tus piv ntawm lub teeb flux rau hluav taws xob. Luminescence efficiency sawv cev rau lub zog-txuag cov yam ntxwv ntawm cov teeb pom kev zoo, uas yog qhov ntsuas tseem ceeb los ntsuas qhov kev ua tau ntawm cov teeb ci niaj hnub no.

Qhov sib xyaw ua ke ntawm lub teeb ci LED yog hais txog qhov kev luminous efficiency ntawm lub teeb ci LED hauv lumen / watt units. Qhov siab dua tus nqi, qhov zoo dua lub zog-txuag lub teeb ntawm lub teeb, lub zog ntau-txuag nws yuav. Peb yuav tsum xaiv cov teeb txawb LED nrog lumen / watt qhov siab. Cias muab: qhov ci zog zoo dua nyob rau ntawm tib lub zog.

● Luminescence siv thiab faib cov teeb ci ntau dua

Lub luminous siv ntawm LED yog lub cim ntawm nws lub luminous siv nyob rau hauv ib qhov kev taw qhia. Vim hais tias qhov luminous siv ntawm LED nws txawv nyob rau ntau qhov sib txawv ntawm cov ces kaum, nws ncaj qha cuam tshuam rau qhov tsawg kawg nkaus saib lub kaum ntse ntse ntawm cov LED zaub ntaus ntawv. Ntawd yog hais, ntau txoj hauv kev teeb ci siv ntawm Led ntawm txhua lub ces kaum, qhov zoo dua.

● Wavelength

Rau cov yam ntxwv ntawm LED, peb feem ntau yog nyob ntawm seb nws cov monochrome puas zoo, thiab peb yuav tsum them sai sai rau qhov kev coj dawb huv ntawm liab, daj, xiav, ntsuab, dawb LED thiab lwm cov xim loj.

● Cov xim hloov ua cov cim

Kuj tseem hu ua: CRI; qhov xim xim muaj peev xwm ntawm lub teeb pom kev zoo rau qhov khoom yog qhov ntsuas ua kom ntsuas qhov xim xim muaj peev xwm ntawm lub teeb pom kev zoo rau qhov khoom, uas cuam tshuam ncaj qha rau cov nyhuv ntawm cov khoom nyob rau hauv lub teeb ci.

Tnws zoo tshaj plaws siv lub teeb pom kev zoo muaj qhov cim xim ntawm 100. Qhov siab dua qhov ntsuas xim yog, qhov ze ze cov xim teb ntawm lub teeb ci rau cov xim tiag tiag ntawm cov kwv. Nws feem ntau ntseeg tias: 80-100, coj xim zoo; 50-79, kev coj ua xim dav dav; tsawg dua 50 yog pom tias cov xim tsis zoo.

. Kev tuav pov hwm kho qhov muag

Tom qab ib lub sijhawm ntawm cov teeb pom kev zoo, qhov sib zog ntawm lub teeb hluav taws xob ntawm LED yuav qis dua qhov kev siv hluav taws xob qub, thiab qis dua yog qhov ua kom pom lub teeb ntawm LED. Lub teeb ci ntawm lub teeb yuav poob zuj zus nrog lub sijhawm, thiab qhov txo qis dua ncaj qha cuam tshuam txog lub neej ntawm lub teeb ci. Yog tias cov cua sov dissipation mob tsis zoo thiab cov hlaws dai ua haujlwm ntawm qhov kub, qhov ua kom tsis muaj teeb meem yuav loj heev thiab lub teeb ua rau lub neej txo qis heev. Yog li qhov me dua lub teeb fade, zoo dua.

5. Xaiv qhov ua kom pom

Saib cov tsos ntawm ntim. Lub xeev yuav tsum tau ua LED teeb pom kev zoo cov tuam ntxhab cim cov ntsiab lus hauv qab no ntawm cov khoom ntim: cov ntsuas hluav taws xob, qhov ntsuas hluav taws xob, ntsuas hluav taws xob, ntsuas lub zog. Feem ntau hais lus, lub cim lag luam luam tawm ntawm cov khoom lag luam muaj txiaj ntsig zoo, lub logo tau meej thiab cim tau, thiab cov chaw tsim tshuaj paus' s cov cim lag luam, chaw nyob, ntaub ntawv tiv tauj (nco ntsoov tias tsis yog cov chaw tsim khoom lag luam nrog tsuas yog ib lub xov tooj ntawm tes), cov ntaub ntawv tom qab muag thiab cov ntawv pov thawj muaj cov cim sib txawv.

Saib seb puas muaj 3C daim ntawv pov thawj. Tam sim no, Tuam Tshoj muaj qhov yuav tsum tau ua raws li teb chaws" Txoj Cai Kev Nyab Xeeb rau tus kheej-ua haujlwm LED teeb txawb nrog 50V lossis ntau dua rau Kev Teeb Pom Kev Zoo" (GB24906-2010). Peb yuav tsum xyuas seb puas muaj qhov taw qhia ntawm kev ntim. Nws yuav zoo dua yog muaj CE daim ntawv pov thawj thiab ETL cov ntawv pov thawj cov khoom lag luam hauv Tebchaws Meskas - hauv luv luv, cov ntawv pov thawj ntau dhau, qhov ntau lav.

Ism Lawb tawm lub pob. Ua ntej pom cov coj, pom yog tias LED muaj corrugated ntawv tiv thaiv, seb puas muaj qhov txhawb nqa los txhim kho cov coj. Qhov no tsis txhais tau tias LED yuav tsum muaj kev tiv thaiv kom zoo, tab sis peb tuaj yeem pom lub chaw tsim khoom' s lub tswv yim thiab lub luag haujlwm ntawm cov khoom.

● Tom qab pom lub teeb taws LED, peb yuav tsum xyuas seb puas muaj kab nrib pleb thiab xoob ntawm qhov pom ntawm lub teeb duab ntxoov ntxoo, seb puas muaj cuam tshuam ntau los cuam tshuam lossis tsis, thiab seb puas muaj kev txhim kho cov kab tom qab txhawm.

Yuav tsum tsis txhob muaj lub xoob los yog nkhaus taub hau ntawm lub taub hau teeb thiab lub taub dej ci.

● Yog tias koj tuaj yeem, qhib lub teeb taws, koj tuaj yeem pom zoo li cas LED txuas nrog lub voj hluav taws xob sab nraud. Tau kawg, koj yuav tsum xaiv tag nrho, ci, tsis muaj khoom lag luam vuam siv.