Ko e fakapoʻuli ʻo e LED lelei taha

Kuo liliu ʻe he maama LED ʻa e founga ʻoku tau fakamaama ai hotau mamani, ʻo ʻoatu ha ivi lelei mo e moʻui taʻe-hano-tatau ʻe lava ke laui taʻu lahi. Neongo ia, neongo ʻ enau tekinolosia māʻolungá, ʻ oku ʻ ikai taʻefaʻamate ʻ a e ngaahi maama LED. Ko ha meʻa angamaheni ʻoku aʻusia ʻe he tokolahi ʻo kinautolu ʻoku nau fakaʻaongaʻi ko hono fakatokangaʻi ko ʻenau ngaahi maama LED pe ngaahi naunau LED kuo fakaʻau ke poipoila ʻi he ʻalu ʻa e taimi, pe mahalo kuo fakapoʻuli ʻenau ngaahi meʻa. ʻE lava ke fakatupu lotofoʻi ʻa e meʻa ko ʻeni, ʻa ia ʻoku mole ai ʻa e ngingila ʻo e maama LED, tautautefito ki he hili ʻa e ʻinivesi ʻi he meʻa naʻe palomesi ʻe hoko ko ha founga tuʻuloa. Neongo ia, ʻoku ʻikai ko ha meʻa noa pe ʻa e fakapoʻuli ko ʻeni; ʻoku faʻa hoko ia ko e ola ʻo e taha ʻo e ngaahi tefitoʻi tupuʻanga ʻe tolu: ko ha fakaʻuli ʻoku ʻikai lelei, ko e vela fakatuʻasino ʻo e LED chips fakafoʻituitui, pe ko e founga fakanatula mo taʻeʻamanekina ʻo e holoki ʻo e lumen. Ko e mahino ʻa e ngaahi ʻuhinga kehekehe ko ʻeni ʻe tolu ko e ki ia ki hono siviʻi ʻo e palopalema, fakapapauʻi pe ʻe lava ke fakaleleiʻi, mo ʻiloʻi ʻa e meʻa ke fekumi ki ai ʻi he taimi ʻoku ke fakatau ai ʻa e ngaahi koloa LED ʻi he kahaʻu ke fakapapauʻi ʻoku ke maʻu ʻa e ngaue loloa mo falalaʻanga taha. ʻE fakatotolo loloto ʻa e fakahinohino ko ʻeni ki he ngaahi tupuʻanga takitaha ko ʻeni, fakamatalaʻi ʻa e "ʻuhinga" ʻo e fakapoʻuli mo ʻoatu ha ngaahi fakakaukau ʻaonga ki he ngaahi founga fakaleleiʻi mo e fakaʻehiʻehi mei ai.

ʻOku fakatupu fefe ʻe he fakaʻuli LED ke poipoila pe maumau ʻa e mama?

ʻOku ʻi he uho ʻo e maama LED kotoa pe ʻoku lele ʻi he ʻuhila (hange ko e 120V pe 220V AC ʻi hotau ngaahi ʻapi) ha konga mahuʻinga ʻoku ui ko e LED driver. Ko e LED chip ko ha meʻangaue DC maʻulalo ia, ʻoku faʻa fie maʻu ke siʻi hifo ʻi he 20 volts ke ngaue. Ko e ʻuhila ʻi hotau ʻapi ko e AC voltage maʻolunga. ʻOku konga ua ʻa e ngaue ʻa e fakaʻuli: ʻuluaki, ke fakatonutonu ʻa e malohi AC ki he DC, pea ua, ke holoki hifo ʻa e voltage maʻolunga ki he voltage maʻulalo mo malu ʻoku fie maʻu ʻe he LEDs. Ka ko hono fatongia mahuʻinga taha ke ʻomi ha ʻau maʻu pe. Ko e LEDs ko ha ngaahi meʻangaue ia ʻoku fakalele ʻe he lolotonga, pea naʻa mo e fanga kiʻi fetoʻaki iiki ʻi he lolotonga ʻe lava ke ne uesia lahi honau ngingila mo e loloa ʻo e moʻui. ʻOku fakapapauʻi ʻe he fakaʻuli tuʻunga maʻolunga ʻa e tafe maʻu pe ʻa e malohi. ʻI he fakakaukau, kehe pe ke fenapasi lelei ʻa e ngaahi fakangatangata fakaʻuhila ʻa e fakaʻuli mo e ngaahi fie maʻu ʻa e LED array, ʻoku totonu ke ne ʻomi ha ngaue taʻe-palopalema ʻi ha ngaahi taʻu lahi. Neongo ia, ʻoku faingataʻa ʻa e circuitry ʻi loto ʻo ha fakaʻuli, ʻoku ʻi ai ʻa e ngaahi konga hange ko e capacitors, rectifiers, transformers, mo e integrated circuits. ʻOku fakangatangata ʻa e moʻui ʻa e ngaahi konga takitaha ko ʻeni pea ʻe lava ke tuʻu laveangofua ki he mafasia ʻo e vela, voltage spikes, mo e motuʻa fakalukufua. Hange ko ʻeni, ko e electrolytic capacitors, ʻa ia ʻoku angamaheni ʻaki ʻi he kau fakaʻuli, ʻoku fakahehema ke momoa mo mole honau capacitance ʻi ha vahaʻa taimi, tautautefito ki he ngaahi ʻatakai vela maʻolunga. ʻI he taimi ʻoku kamata ke maumau ai ha taha ʻo e ngaahi konga ko ʻeni, ʻe lava ke taʻepau ʻa e voltage pe lolotonga ʻo e fakaʻuli. ʻE lava ke to ia ʻi lalo ʻi he tuʻunga ʻoku fie maʻu, ʻo tupu ai ʻa e poipoila kotoa ʻo e mama. Ko e taha ʻeni ʻo e ngaahi ʻuhinga angamaheni ʻoku fakapoʻuli mamalie ai ʻa e maama LED ʻo ʻikai ha LED fakafoʻituitui ʻoku vela.

Ko e ha ʻa e ngaahi fakaʻilonga ʻo e tonounou ʻa e fakaʻuli pea ʻe lava ke fakaleleiʻi?

Ko e maumau ʻa e fakaʻuli ko e fehalaaki lahi taha ia ʻi he ngaahi maama LED, pea ʻoku ha ia ʻi ha ngaahi founga kehekehe. Ko e fakaʻilonga mahino taha ko ha maama kuo fakaʻau ke poipoila ʻi he kotoa ʻo e vaʻinga. Te ke lava foki ʻo fakatokangaʻi ʻa e kemo, ʻa ia ʻoku ne fakahaaʻi ʻoku faingataʻaʻia ʻa e fakaʻuli ke tauhi maʻu pe ʻa e ʻau maʻu pe. ʻI he ngaahi meʻa ʻe niʻihi, ʻe lava ke ulo ʻa e mama ka ʻe mate ʻi he hili ha ngaahi sekoni pe miniti siʻi ko ha maluʻi ʻo e mafana ʻo e ʻea ʻi he fononga ʻa e fakaʻuli. ʻE lava foki ke hoko ha longoaʻa ʻoku haʻu mei he fakavaʻe ʻo e mama pe ko e fale ʻo e fakaʻuli ko ha fakaʻilonga ʻo e loto mafasia pe taʻelavameʻa. Ko e ongoongo lelei ko e palopalema faingofua taha ke fakaleleiʻi ʻa e fakaʻuli ʻoku ʻikai ola lelei pe ʻikai ola lelei, ʻo kapau ʻoku faʻu ʻa e maama ʻaki ha driver ʻe lava ke fetongi. ʻI he ngaahi naunau fakakomesiale mo fakangaueʻanga lahi ʻo e LED, ko e fakaʻuli ko ha konga mavahe ia ʻe lava ke toʻo pea fetongi ʻaki ha meʻa foʻou ʻoku ʻi ai ʻa e ngaahi tuʻunga totonu ʻo e output. ʻOku faʻa langa ʻa e fakaʻuli ki he fakavaʻe pea ʻoku ʻikai lava ke fetongi, ʻa ia ko hono ʻuhinga kuo pau ke liʻaki kotoa ʻa e foʻi ʻuhila. Neongo ia, ki he ngaahi naunau lalahi hange ko e ngaahi maama ʻo e penolo, maama pe maama hala, ko hono fetongi ʻo e fakaʻuli ko ha monomono ʻaonga ia ʻe lava ke ne ʻoange ha moʻui foʻou ki he mama. ʻI he taimi ʻoku fetongi ai ha fakaʻuli, ʻoku mahuʻinga ke fakafehoanaki ʻa e output voltage pea mahuʻinga taha, ko e tuʻunga ʻo e lolotonga maʻu pe ki he ngaahi tuʻunga pau ʻo e LED array ke fakaʻehiʻehi mei hono maumauʻi ʻo e fakaʻuli foʻou pe ko e LEDs.

Ko e ha ʻoku vela ai ʻa e ngaahi chips LED fakafoʻituitui pea fakatupu ʻa e fakapoʻuli?

ʻOku ʻikai ko ha maʻuʻanga maama pe meʻa ʻe taha ʻa e maama LED; ko ha ngaahi chips LED fakafoʻituitui, taimi ʻe niʻihi ʻe hongofulu pe laungeau. ʻOku angamaheni ʻaki hono fokotuʻutuʻu ʻo e chips ko ʻeni ʻi ha fokotuʻutuʻu ʻo e hokohoko ʻo e ngaahi meʻa tatau. ʻOku ʻuhinga ʻeni ʻoku fakafehokotaki ʻa e ngaahi chips lahi ʻi ha afo (hokohoko), pea ʻoku fakafehokotaki ʻa e ngaahi afo lahi ʻi he taimi tatau. ʻOku fakaʻata ʻe he palani ko ʻeni ʻa e naunau ke ngaue ʻi ha voltage ʻaonga lolotonga ia ʻoku ʻomi ʻa e redundancy. Neongo ia, ʻoku ne toe fakatupu foki ha tuʻunga vaivai. Kapau ʻe maumau ha LED chip ʻe taha pea hoko ko ha circuit ʻoku ava, ʻe fakapoʻuli ʻa e afo kotoa ʻoku kau ki ai koeʻuhi he ʻoku maumau ʻa e hala ʻuhila. ʻE iku ʻeni ki ha konga fakapoʻuli ʻi he penolo ʻo e mama pe ko ha fakasiʻisiʻi lahi ʻo e maama fakalukufua mei ha maama mama. ʻOku faʻa faingofua ke ʻiloʻi ʻa e LED chip ʻoku ʻikai ola lelei. ʻI he taimi ʻoku vela ai ha LED, ʻoku faʻa fakatupu ha kiʻi meʻa ʻuliʻuli pe lanu fakapoʻuli ʻi hono funga phosphor lanu engeenga. ʻOku fakatupu ʻeni ʻe he fuʻu vela mo e vela ʻo e semiconductor ʻi loto pe ko e uaea haʻi. Ko hono maʻu ʻo ha konga kuo vela ko ha meʻa ia ke siviʻi fakalelei. Kapau te ke maʻu ha taha, ʻe lava ke fakaleleiʻi ia ʻe ha tokotaha taukei ʻi hono fakaleleiʻi ha uaea ʻi he tafaʻaki ki mui ʻo e circuit board ke fakanounouʻi ʻa e chip naʻe maumau, ʻo toʻo lelei ia mei he afo hokohoko. ʻOku fakaʻehiʻehi ʻeni mei he konga mate pea toe fakafoki mai ʻa e malohi ki he toenga ʻo e chips ʻi he afo ko ia. Neongo ia, ko ha fakaleleiʻi pelepelengesi ʻeni pea te ne fakatupu ʻa e toenga ʻo e ngaahi chips ʻi he afo ko ia ke lele ʻi ha ʻau maʻolunga ange, ʻe lava ke fakanounouʻi ai ʻenau moʻui. Ko ha fakaleleiʻi tuʻuloa mo totonu ange ko hono desolder ʻa e chip naʻe maumau pea fetongi ʻaki ha chip foʻou ʻoku tatau pe.

ʻI he taimi ʻoku fakahaaʻi ai ʻe he chips vela ha palopalema loloto ange ʻa e fakaʻuli

Neongo ʻe lava ke hoko tavale pe ʻa e LED chips vela ʻe taha koeʻuhi ko ha fehalaaki ʻi hono ngaohiʻanga koloa, ko ha fuʻu fakaʻilonga kulokula mahuʻinga ia kapau te ke sio ki ha ngaahi chips lahi ʻoku vela, pe kapau ʻoku faingataʻaʻia ha fixture mei he toutou maumau ʻa e chips. Ko ha meʻa fakasitetisitika ia ke mate tahataha ʻa e LED ʻi he ngaahi tukunga angamaheni. Kapau ʻoku toutou hoko pe mafola ʻa e palopalema, ko e meimei fakaʻilonga maʻu pe ia ʻo ha fakaʻuli ʻoku ʻikai lelei pe ʻikai tatau lelei. Ko ha toe fakaʻilonga mahuʻinga ʻeni ʻe taha ʻo e taʻelavameʻa ʻa e fakaʻuli: kae ʻikai ko e dimming, ʻe lava ke kamata ke ʻomi ʻe he fakaʻuli ʻa e fuʻu lahi ʻo e ʻau pe voltage spikes. ʻOku fuʻu lahi ʻeni ʻa e LED chips, ʻo tekeʻi kinautolu ʻo fakalaka atu ʻi he ngaahi fakangatangata malu ʻo e ngaue. ʻOku fakatupu ʻe he fuʻu lahi ʻo e ʻau ʻa ʻenau vela mo vela, ʻo faʻa fakaʻofoʻofa, ʻo tuku ai ʻa e ngaahi feituʻu ʻuliʻuli ko ia. ʻI he tukunga ko ʻeni, ko hono fetongi pe ʻo e chips vela ko ha ngaue taʻeʻaonga, he ʻoku ngalingali ʻe hoko ʻa e chips foʻou ʻi he taimi pe ʻoku toe ʻomai ai ʻe he fakaʻuli fehalaaki. Ko e founga totonu mo tuʻuloa pe ko hono tomuʻa siviʻi mo fetongi ʻa e fakaʻuli ʻoku maumau. Ko ʻene fokotuʻu pe ha fakaʻuli ʻoku tuʻu maʻu mo fakafuofuaʻi totonu, te ke lava leva ʻo hoko atu ke fetongi ʻa e chips vela pe, ʻi he ngaahi meʻa lahi, mahalo ʻe lelei ange ke fetongi kotoa ʻa e LED array pe misini mama kapau ʻoku lahi ʻa e maumau. ʻOku fakamamafaʻi ʻe he fengaueʻaki ko ʻeni ʻi he vahaʻa ʻo e fakaʻuli mo e chips ʻa e founga ʻoku fefalalaʻaki ai ʻa e moʻui lelei ʻo e polokalama kotoa.

Ko e ha ʻa e holoki ʻo e lumen pea ko e ha ʻoku ne fakatupu ai ʻa e fakapoʻuli mamalie?

Ko e ʻuhinga hono tolu mo taʻepau taha ki he fakapoʻuli ʻa e maama LED ko ha meʻa ʻoku ʻiloa ko e holoki ʻo e lumen. ʻOku ʻikai hange ko e maumau fakafokifa ʻa e fakaʻuli pe ko e vela lahi ʻo ha chip, ko e holoki ʻo e mahuʻinga ʻo e lumen ko ha founga mamalie mo mamalie. Ko e motuʻa fakanatula ia ʻo e LED. ʻOku aʻusia ʻeni ʻe he ngaahi maʻuʻanga maama kotoa pe, mei he laʻaa ki he ngaahi foʻi ʻuhila vela, ka ʻoku kehekehe ʻaupito ʻa e vave. ʻE lava ke fakatokangaʻi ʻe ha foʻi ʻuhila vela ʻa e poipoila ʻi heʻene moʻui nounou, ka ʻoku tuai ange ʻa e holoki ʻo e mahuʻinga ʻo e LED, ʻa ia ko e ʻuhinga ia ʻoku faʻa faingataʻa ai ke sio ʻaki ʻa e mata mei he ʻaho ki he ʻaho. ʻOku fakatupu ʻa e holoki ʻo e lumen ʻe he holoki mamalie ʻo e ngaahi naunau ʻi loto ʻi he LED chip mo hono phosphor coating. ʻOku hanga ʻe he maama lanu pulu maʻolunga ʻoku faʻu ʻi loto ʻi he chip ʻo holoki mamalie ʻa e naunau semiconductor mo e epoxy resins ʻoku fakaʻaongaʻi ke encapsulate ia. Ko e phosphor, ʻa ia ʻoku ne liliu ha niʻihi ʻo e maama lanu pulu ko ia ki he engeenga ke faʻu ʻaki ha maama hinehina, ʻoku mole mamalie foki mo hono lelei. ʻOku ʻuhinga ʻeni ʻoku laka hake ʻi he houa ʻe lauiafe, ʻoku siʻisiʻi ange ʻa e malava ʻa e chip ke liliu ʻa e ʻuhila ki he mama. ʻOku maʻu ʻe he LED tuʻunga maʻolunga mei he ngaahi kautaha falalaʻanga falalaʻanga ʻa e "lumen maintenance," ʻa ia ko hono ʻuhinga ʻoku holo mamalie ʻaupito ʻenau mama. ʻOku angamaheni ʻaki hono fakafuofuaʻi ke nau aʻu ki he L70 (70% ʻo e ʻuluaki ngingila) hili ha houa ʻe 50,000 pe lahi ange. Neongo ia, ʻoku ʻikai tuʻu maʻu ʻa e vave ko ʻeni ki he LED kotoa pe.

Ko e ha ʻa e ngaahi meʻa ʻoku ne fakavaveʻi ʻa e holoki ʻo e lumen ʻi he LEDs?

Neongo ʻoku ʻikai lava ke taʻofi ha tuʻunga ʻo e holoki ʻo e lumen, ka ʻoku makatuʻunga ʻaupito ʻa e vave ʻi he ngaahi tuʻunga ʻo e ngaue, tautautefito ki he vela. Ko e fili lahi taha ʻo ha LED ko e mafana ʻo e ʻea. Ko e mafana ʻo e fetaulakiʻanga ʻo e LED chip (ko e mafana ʻo e ʻea ʻi he feituʻu ʻoku faʻu ai ʻa e mama) ko e tefitoʻi fakaʻuli ia ʻo e vave ʻo hono holoki. Ko e vela ange ʻa e chip, ko e vave ange ia ʻa e holoa ʻa e ngaahi meʻa ʻoku ʻi ai, pea ko e vave ange ia ʻa e mole ʻa e ngingila. Ko e ʻuhinga ʻeni ʻoku matuʻaki mahuʻinga ai hono puleʻi ʻo e mafana ʻo e ʻea—ʻa e palani ʻo e heat sinks mo e tokonaki ʻo e tafe ʻa e ʻea—ʻi he LED fixtures. ʻE hanga ʻe ha maama kuo fokotuʻutuʻu lelei mo ha fuʻu meʻa vela lelei ʻo tauhi ʻa e LED chips ke mokomoko, ʻo fakapapauʻi ʻoku nau holoki mamalie ʻi heʻenau moʻui. ʻI he tafaʻaki ʻe taha, ʻe lava ke vela ʻaupito ha maama LED ʻoku maʻulalo ange, pe ko ha maama ʻoku ʻikai lelei hono fakamoleki ʻo e vela (mahalo ʻoku fokotuʻu ʻi ha meʻa ʻoku ʻikai ke ʻea ʻaki ia naʻe ʻikai fakataumuʻa ki ai). ʻI he ngaahi meʻa ko ʻeni, ʻe lava ke fakavaveʻi ʻaupito ʻa e tuʻunga ʻo e holoki ʻo e lumen. ʻE lava ke mole ʻa e maama ʻe 30% ʻi ha ngaahi houa ʻe lauiafe, kae ʻikai ko e 50,000. Ko ha palopalema angamaheni ʻeni ʻi he totongi maʻamaʻa, ʻikai ha hingoa ʻo e ngaahi koloa LED ʻa ia ʻoku tuʻusi ai ʻa e ngaahi tuliki ʻi he palani ʻo e mafana ʻo e ʻea. Ko ia, neongo ko e holoki ʻo e lumen ko e tupuʻanga "fakanatula" ia ʻo e fakapoʻuli, ko hono vave ko ha fakafotunga fakahangatonu ia ʻo e tuʻunga lelei ʻo e LED chip, kae mahuʻinga ange, ko e ola lelei ʻo e puleʻi ʻo e mafana ʻo e meʻa. ʻOku fakapapauʻi ʻe he ʻinivesi ʻi ha koloa lelei mei ha kautaha falalaʻanga hange ko e OAK LED ʻe fuʻu tuai ʻa e fakapoʻuli "fakanatula" ʻo ʻikai faʻa fakatokangaʻi ʻi ha ngaahi taʻu lahi ʻo e ngaue.

Ko hono siviʻi ʻo e ngaahi tefitoʻi ʻuhinga ʻe tolu ki he fakapoʻuli ʻo e LED

ʻOku ʻomi ʻe he tepile ko ʻeni ha maʻuʻanga tokoni vave ke fakafaikehekeheʻi ʻa e ngaahi tefitoʻi tupuʻanga ʻe tolu ʻo e fakapoʻuli ʻa e ngaahi maama LED.

Ko hono fakaʻosi, ko e maama LED fakapoʻuli ko ha popoaki ia mei he meʻa ʻoku hoko, ʻoku ne fakamatalaʻi ha talanoa fekauʻaki mo e meʻa ʻoku hoko ʻi loto. ʻE lava pe ko ha fakaʻuli loto mafasia, ko ha kau sotia tokosiʻi kuo to (chips vela), pe ko e ʻalu pe ʻa e taimi (lumen depreciation). ʻI hoʻo ako ke lau ʻa e ngaahi fakaʻilonga—ʻa e teunga mo e fakapoʻuli ʻoku ʻi ai, pe ko ha molia mamalie ʻi ha ngaahi taʻu lahi—te ke lava ʻo fakafuofuaʻi totonu ʻa e palopalema. ʻOku hanga ʻe he ʻilo ko ʻeni ʻo fakaivia koe ke ke fakahoko ha monomono faingofua mo lelei, hange ko hono fetongi ʻo ha fakaʻuli, pe ke fai ha tuʻutuʻuni fakapotopoto fekauʻaki mo hono fetongi, manatuʻi maʻu pe ko e tuʻunga lelei ʻo e ʻuluaki fakatau ko e maluʻi lelei taha ia mei he fakapoʻuli taʻetaimi.

Ngaahi Fehuʻi ʻOku Faʻa ʻEke Fekauʻaki mo e LED Fakapoʻuli

ʻE lava nai ke fakaleleiʻi ha maama LED poipoi, pe ʻoku fie maʻu ke u fetongi kotoa?

ʻOku makatuʻunga pe ia ʻi he tupuʻanga. Kapau ʻoku ʻikai ola lelei ʻa e fakaʻuli pea ko ha konga ia ʻe lava ke fetongi, ʻoku faʻa faingofua mo fakamole lelei hono fakaleleiʻi. Kapau ʻe vela ha fanga kiʻi chips, ʻe lava ke fetongi kinautolu ʻe ha taha taukei. Neongo ia, kapau ʻoku faingataʻaʻia ʻa e mama mei he holoki ʻo e lumen pe kapau ʻoku fakatahaʻi ʻa e fakaʻuli pea ʻikai lava ke fetongi, ko hono fetongi ʻo e meʻa kotoa pe foʻi ʻuhila ko e founga ʻaonga taha ia.

ʻOku ʻi ai ha ngaahi feituʻu ʻuliʻuli ʻi heʻeku maama LED ʻi ha niʻihi ʻo e chips. ʻOku ʻuhinga ʻeni ki he ha?

Ko e ngaahi feituʻu ʻuliʻuli ʻi ha LED chip ko ha fakaʻilonga angamaheni ia ʻo e burnout. Kuo fuʻu vela ʻa e chip pea ʻikai ola lelei, ʻo faʻa tupu mei ha maumau ʻi hono ngaohi pe, angamaheni, koeʻuhi he naʻe fuʻu lahi ʻa e fakaʻuli ʻe ha fakaʻuli ʻoku fehalaaki. Kapau te ke sio ki ai, ʻoku ngalingali ko e chip pe ko ia ʻoku ʻikai ke ʻi ai. Kapau te ke sio ki ha tokolahi, ko e fakaʻuli ʻoku meimei pau ke tukuakiʻi.

ʻE anga fefe haʻaku taʻofi ʻeku ngaahi maama LED mei haʻane poipoila vave?

Ko e fakaʻehiʻehi lelei taha ko hono fakatau ʻo e ngaahi koloa LED tuʻunga maʻolunga mei he ngaahi kautaha falalaʻanga ʻoku nau fakaʻaongaʻi ʻa e puleʻi lelei ʻo e mafana ʻo e ʻea (heat sinks feʻunga). ʻIkai ngata ai, fakapapauʻi ʻoku fokotuʻu ʻa e naunau ʻi ha founga ʻe lava ke ʻi ai ha ʻea lelei. Fakaʻehiʻehi mei hono fakaʻaongaʻi ʻo e LED ʻi he ngaahi naunau ʻoku ʻikai ke ʻea tukukehe kapau ʻoku fakataumuʻa pau ki he taumuʻa ko ia, he ʻe fakavaveʻi ʻe he vela ʻo e ʻea ʻa e holoki ʻo e lumen.