Ko e ha ʻoku kehe ai ʻa e moʻui ʻa e LED mei he ngaahi foʻi ʻuhila tukufakaholo

Ko e taha ʻo e ngaahi lelei ʻiloa taha ʻo e maama LED ko ʻene moʻui makehe. Neongo ʻe lava ke vela ha foʻi ʻuhila angamaheni hili ha houa ʻe 1,000 pea mo ha maama fluorescent (CFL) hili ha houa ʻe 8,000, ʻoku faʻa fakafuofuaʻi ʻa e maama LED lelei ke tolonga ʻi he houa ʻe 25,000, 50,000, pe naʻa mo e houa ʻe 100,000. Ko e moʻui loloa ko ʻeni ko ha tefitoʻi fakaʻaiʻai ia ki he liliu ki he LED ʻi he meʻa kotoa pe mei he ngaahi foʻi ʻuhila ʻo e nofoʻanga ki he ngaahi ngaue lalahi mo e maama ʻi he hala. Neongo ia, ʻoku kehe ʻaupito ʻa e founga ʻoku aʻu ai ha LED ki he ngataʻanga ʻo ʻene moʻui mei he ngaahi tekinolosia motuʻa ange. ʻOku motu ʻa e filo ʻoku ʻikai ke ʻi ai ha meʻa ʻoku ʻi ai, maumau ʻa e phosphor ʻo e foʻi tiupi fluorescent pe maumau ʻa e electrodes—ko ha ngaahi maumau fakatuʻutamaki ʻeni. ʻI he tafaʻaki ʻe taha, ʻoku ʻikai ke faʻa "vela" ʻa e LED. Ka ʻoku fakaʻau ke poipoila mamalie ʻi he ʻalu ʻa e taimi. ʻOku ʻiloa ʻa e founga ko ʻeni ko e lumen depreciation. ʻOku ʻuhinga ʻa e faikehekehe mahuʻinga ko ʻeni ko e "lifespan" ʻo ha LED ʻoku ʻikai ko ha tuʻunga pe ia ʻe taha ʻo e taʻelavameʻa, ka ko ha tuʻunga pau kuo holoki ai ʻa e maama ki ha tuʻunga ʻoku ʻikai ke toe ʻaonga ki hono fakataumuʻa ki hono fakaʻaongaʻi. Ke ʻomi ʻa e tuʻunga tatau mo falalaʻanga ki he fakakaukau ko ʻeni, ʻoku fakafalala ʻa e kautaha mama ki ha tuʻunga mahuʻinga ʻe ua: LM-80 mo e TM-21. Ko e ngaahi tuʻunga fakasaienisi ʻeni ʻoku ne fakaʻata ʻa e ngaahi kautaha faʻu koloa ke fai ha ngaahi fakamatala falalaʻanga fekauʻaki mo e loloa ʻo e tolonga ʻo ʻenau ngaahi koloa LED.

Ko e ha ʻa e ngaahi meʻa ʻoku ne fakapapauʻi ʻa e moʻui ʻo ha maama LED?

ʻOku ʻikai ko ha fika pau ʻa e lifespan ʻo ha LED; ʻoku fakafalala lahi ia ki hono ʻatakai ngaue mo e tuʻunga lelei ʻo hono fokotuʻutuʻu. ʻOku puleʻi ʻe he tefitoʻi meʻa ʻe ua ʻa e vave ʻo e holoa ʻa e maama ʻo e LED: mafana ʻo e fetaulakiʻanga mo e ʻau ki muʻa. Ko e mafana ʻo e junction (Tj) ko e mafana ia ʻo e semiconductor chip, ʻa ia ʻoku faʻu ai ʻa e mama. Ko e meʻa mahuʻinga taha ʻeni ki he moʻui loloa ʻo e LED. Ko e vela ko e fili ia ʻo e LEDs. ʻOku fakavaveʻi ʻe he mafana ʻo e fetaulaki maʻolunga ange ʻa e holoki ʻo e ngaahi naunau semiconductor, phosphor, mo e encapsulating resins, ʻo iku ki ha holo vave ange ʻi he output ʻo e mama. ʻOku mahuʻinga taha ke tauhi ke maʻulalo ʻa e mafana ʻo e fetaulaki. Ko e meʻa hono ua ko e ʻau ki muʻa—ʻa e ʻuhila ʻoku ne fakaʻuli ʻa e LED. ʻOku fakafehoanaki hangatonu ʻa e ʻau ki muʻa ki he ngingila; ʻoku ʻuhinga ʻa e lahi ange ʻo e ʻau ki he maama lahi ange. Neongo ia, ʻoku toe fakatupu ʻe hono teke ʻo e ʻau lahi ange ʻi he chips ha vela lahi ange ʻi he fetaulakiʻanga. ʻOku fakamahinoʻi ʻe he ngaahi kautaha LED ʻa e ngaahi feituʻu ʻoku malu ʻi he lolotonga ʻo e ngaue. ʻE lava ke maʻu ha maama lahi ange ʻi he ngaue ʻi he ngataʻanga ki ʻolunga ʻo e ngaahi feituʻu ko ʻeni, ka ʻoku fie maʻu ke mapuleʻi makehe ʻa e mafana ʻo e ʻea (ko ha meʻa vela lelei ʻaupito) ke taʻofi ʻa e mafana ʻo e fetaulaki mei he maʻolunga pea fakanounouʻi ʻa e moʻui ʻa e LED. ʻI he tafaʻaki ʻe taha, kapau ʻoku tauhi ʻa e LED chip ke mokomoko ʻo fakafou ʻi he palani lelei ʻo e heat sink – angamaheni ʻaki hono tauhi ʻo e mafana ʻo e fetaulaki ʻi lalo ʻi he 85 ° C – ʻe lava ke fakalahi ʻa e moʻui, pea ʻe siʻisiʻi ange ʻa e ola ʻo e ngaahi kehekehe ʻi he ʻau ki muʻa ʻi loto ʻi he tuʻunga pau. Ko ha ngaue pelepelengesi ia ʻi he vahaʻa ʻo e maʻu ʻo e mama, puleʻi ʻo e mafana ʻo e ʻea, mo e loloa ʻo e moʻui ʻoku fie maʻu.

Ko e ha ʻa e L70 pea ko e ha ʻoku hoko ai ia ko e tuʻunga moʻui ʻo e LED?

ʻI he taimi ʻoku ke sio ai ki ha foʻi ʻuhila LED ʻoku tuʻuaki ʻaki ha "moʻui" ʻo e houa ʻe 50,000, ʻoku meimei ke ʻuhinga ia ki hono tuʻunga moʻui L70. Ko e L70 ko ha meʻafua angamaheni ia ʻoku fakaʻuhingaʻi ʻe he Illuminating Engineering Society (IES). ʻOku ne fakafofongaʻi ʻa e taimi kuo holo ai ʻa e maama ʻo ha maama LED pe module ki he 70% ʻo hono ʻuluaki lumen. ʻI hono fakalea ʻe taha, ko e lahi ia ʻo e ngaahi houa ʻoku fakafuofua ki muʻa pea toki siʻisiʻi ange ʻa e mama ʻe 30% ʻi he taimi naʻe foʻou ai. ʻOku lau ʻeni ko e "moʻui ʻaonga" ʻo ha LED ki he lahi taha ʻo e ngaahi polokalama fakalukufua ʻo e mama. Ko e fili ʻo e 70% ʻoku ʻikai taʻefakaʻapaʻapaʻi; ko ha tuʻunga ia ʻoku fakatokangaʻi ai ʻa e fakasiʻisiʻi ʻo e mama pea ʻe lava ke kamata ke ne uesia ʻa e ngaue ʻa e maama naʻe fakataumuʻa ki ai. Hange ko ʻeni, ko ha maama hala kuo poipoila ʻaki ʻa e 30% ʻe ʻikai ke toe ʻomi ha maama feʻunga ki he malu, pe ko ha ʻofisi ʻe maʻulalo ange ʻi he tuʻunga ʻo e maama ʻoku fokotuʻu atu ki he ngaue. ʻOku mahuʻinga ke mahino ʻoku kei ngaue pe ʻa e LED ʻi hono tuʻunga L70. Kuo teʻeki ai ke taʻelavameʻa; ʻoku fakapoʻuli ange. ʻE hokohoko atu ʻene maʻamaʻa, ʻo holo mamalie ange, mahalo ʻi ha ngaahi houa ʻe lauiafe, kae ʻoua kuo fuʻu poipoila ke ʻaonga. ʻOku fokotuʻu mai ʻe he fakafuofua ʻe lava ke hokohoko atu hono tuku mai ʻe ha LED ha maama ʻo aʻu ki he houa ʻe 100,000 pe lahi ange kimuʻa pea toki "tamateʻi," ka ko e poini L70 ko e tuʻunga angamaheni ia ʻoku fakaʻaongaʻi ʻe he kau ʻenisinia, specifiers, mo e regulators ke fakafehoanaki ʻa e ngaahi koloa mo palani ki hono tokangaʻi mo fetongi.

ʻOku kehe fefe ʻa e L70 mei he maumau fakatuʻutamaki ʻi he ngaahi foʻi ʻuhila kehe?

ʻOku fakamamafaʻi ʻe he fakakaukau ʻo e L70 ha liliu mahuʻinga ʻi he founga ʻo ʻetau fakakaukau fekauʻaki mo e longevity ʻo e maʻuʻanga mama. ʻI he maama ulo ulo pe fluorescent, ko e ngataʻanga ʻo e moʻui ko ha meʻa fakafokifa mo pau ia—ʻoku mate ʻa e mama pea fie maʻu ke fetongi he taimi pe ko ia. ʻOku ngaue ʻa e tokangaʻi. ʻI he LEDs, ko e ngataʻanga ʻo e moʻui ko ha founga mamalie mo ʻiloʻi. ʻOku fakaʻata heni ʻa e palani ki hono tokangaʻi. ʻOku ʻiloʻi ʻe ha pule ʻo ha fale tukuʻanga koloa lahi pe ko ha tokotaha palani fakakolo ki he ngaahi maama hala ʻi he hili ha ngaahi houa pau, ʻe poipoila ʻa e mama ʻaki ʻa e 30% pea ʻoku totonu ke fakataimi-tepileʻi ke fetongi ko ha konga ʻo ha ngaue fakakulupu ki hono toe maama ʻo e mama, kae ʻoua ʻe tatali ki ha maumau fakafoʻituitui. ʻOku ʻaonga ange ʻa e founga ko ʻeni ki hono fetongi ʻo e kulupu ʻi hono ʻave atu ʻo e kau ngaue ki ha ngaahi monomono tuʻo taha. ʻIkai ngata ai, koeʻuhi ʻoku fuʻu mamaʻo ʻaupito ʻa e L70 ʻi he kahaʻu—faʻa taʻu ʻe 10, 15, pe naʻa mo e 20 ki he ngaahi maama ʻoku ngaue houa ʻe 12 he ʻaho—ʻoku hoko ʻa e maama LED ko ha konga ʻo e "feʻunga mo fakangaloʻi", ʻo fakasiʻisiʻi ʻaupito ʻa e ngaahi kavenga ki hono tokangaʻi. Ka neongo ia, ʻoku toe fakamamafaʻi lahi ange ʻe he moʻui loloa ko ʻeni ʻa e tuʻunga lelei ʻo e ʻuluaki palani mo e ngaahi konga, he ʻe lava ke maʻu ʻe ha LED ʻoku ʻikai lelei hono puleʻi ʻo e mafana ʻo e ʻea ha moʻui L70 ʻi ha ngaahi houa siʻi pe ʻe lauiafe, ʻo fakaʻikaiʻi ai hono tefitoʻi lelei.

Ko e ha ʻa e LM-80 pea ʻoku ne ʻomi fefe ʻa e fakavaʻe ki hono siviʻi ʻo e moʻui ʻa e LED?

Ko e LM-80 ko e founga angamaheni ia naʻe faʻu ʻe he IES ki hono fua ʻo e holoa ʻo e lumen ʻo e ngaahi maʻuʻanga maama LED. ʻOku ʻikai ko ha kikite ia ʻo e loloa ʻo e moʻui, ka ko e founga fefeka mo empirical hono tanaki ʻo e fakamatala ʻoku malava ai ʻa e ngaahi kikite ko ia. Fakakaukau ki he LM-80 ko e raw data collection, mo e TM-21 ko e meʻangaue ʻanalaiso mo forecasting ʻoku ne fakaʻaongaʻi ʻa e fakamatala ko ia. ʻOku tuʻutuʻuni ʻe he tuʻunga LM-80 ha founga sivi pau mo fakamole taimi. Kuo pau ke siviʻi ʻe he ngaahi kautaha faʻu ha sipinga fakafofonga ʻo e ngaahi kofukofu LED, fokotuʻutuʻu, pe modules. ʻOku fakalele ʻa e ngaahi sipinga ko ʻeni ʻi he mafana kehekehe ʻe tolu—angamaheni ko e 55°C, 85°C, mo e mafana hono tolu ʻoku fili ʻe he kautaha naʻa nau faʻu, ʻoku faʻa 105°C. ʻOku fua ʻa e maama (lumens) ʻo e sipinga takitaha ʻi ha ngaahi vahaʻataimi lahi ʻi ha vahaʻataimi siʻisiʻi taha ʻo e sivi. Neongo ʻoku fai ʻa e ngaahi ʻuluaki laukonga, ʻoku fie maʻu ʻe he tuʻunga moʻui ʻa e fakamatala ki ha houa ʻe 6,000 ʻo e hokohoko atu ʻo e ngaue, pea ʻoku fie maʻu ha lipooti kakato ʻo makatuʻunga ʻi he houa ʻe 8,000 ki he 10,000 ʻo e sivi ke tonu ange. ʻOku ʻomi ʻe he founga ko ʻeni, ʻa ia ʻe lava ke meimei taʻu ʻe taha ke kakato, ha fakatata fakaikiiki ʻo e founga ʻoku holoa ai ʻa e maama ʻo e LED ʻi ha vahaʻa taimi ʻi he mafana kehekehe. Ko e fakamatala ko ʻeni ʻi hono tokangaʻi ʻo e lumen ko e makatuliki ia ʻo ha faʻahinga taukaveʻi falalaʻanga ʻo e moʻui ʻa e LED. ʻOku ne ʻomi ʻa e fakamoʻoni fefeka ʻoku fie maʻu ke hiki mei he fakamaketi ki he moʻoni fakaʻenisinia.

Ko e ha ʻa e TM-21 pea ʻoku anga fefe ʻene extrapolate ʻa e fakamatala LM-80 ke tala ʻaki ʻa e L70?

Neongo ʻoku ʻomi ʻe he LM-80 ʻa e fakamatala sivi moʻoni ʻo aʻu ki he houa ʻe 10,000, ʻoku kei mamaʻo ʻeni mei he houa ʻe 50,000+ ʻoku tau ʻamanaki ki ai mei he LEDs. ʻOku ʻikai malava ke tatali ʻi ha taʻu ʻe 6 ke siviʻi ha koloa ki hono tuʻunga L70. Ko e feituʻu ʻeni ʻoku hu mai ai ʻa e TM-21. ʻOku ʻomi ʻe he TM-21, ko ha tuʻunga moʻui foki ʻa e IES, ha founga fakafika ki hono extrapolating ʻo e fakamatala ʻo e sivi LM-80 ke fai ha fakafuofua lelei ʻo hono tokangaʻi taimi loloa ʻo e lumen ʻa e LED, tautautefito ki hono moʻui L70. Ko e founga TM-21 ʻoku ʻikai ko ha "laine hangatonu" faingofua. ʻOku kau ai ʻa hono fakafeʻungaʻi ʻo e fakamatala LM-80 kuo tanaki ki ha ngaue ʻo e decay exponential. ʻOku fakamatalaʻi ʻe he sipinga fakasitetisitika ko ʻeni ʻa e foʻi moʻoni ko ia ʻoku vave ange ʻa e holoki ʻo e lumen ʻi he kamataʻanga ʻo e moʻui ʻa ha LED pea toki stabilizes ki ha tahifo mamalie ange. ʻI hono ʻanalaiso ʻo e fetoʻaki ʻo e ngaahi fakamatala kuo tanaki, ʻoku fokotuʻutuʻu ʻe he fikaʻi ʻo e TM-21 ʻa e curve ko ʻeni ʻo e decay ki muʻa ʻi he taimi. Ko hono ola ʻoku fakafuofua ki he moʻui ʻa e L70 ʻi ha ngaahi houa, ka ʻoku ʻi ai ha ngaahi fakatokanga mahuʻinga. ʻOku toe ʻomi foki ʻe he tuʻunga TM-21 ʻa e ngaahi fakangatangata ʻo e lipoti, ʻa ia ko hono ʻuhinga ʻoku ʻaonga pe ʻa e extrapolation ʻo aʻu ki ha vahaʻa taimi pau ʻo e sivi (e.g., 6x ʻa e vahaʻataimi sivi LM-80). Ko ia, mei he houa ʻe 10,000 ʻo e fakamatala LM-80, ʻe lava ke lau ha fakafuofua ʻo e TM-21 ʻo aʻu ki he houa ʻe 60,000. ʻOku ʻomi ʻe he founga fakasaienisi ko ʻeni ha founga standardized, tuʻumaʻu, mo falalaʻanga ange ki he ngaahi kautaha faʻu koloa ke fakamahinoʻi ʻa e moʻui ʻo ʻenau LEDs, ʻo ʻoange ki he specifiers mo e consumers ʻa e falala ki he ngaahi taukaveʻi ʻo e ngaue.

Ko e ha ʻoku fakatou fie maʻu ai ʻa e LM-80 mo e TM-21 ki he ngaahi taukaveʻi falalaʻanga ʻo e moʻui ʻa e LED?

ʻOku faʻu ʻe hono fakatahaʻi ʻo e LM-80 mo e TM-21 ha founga malohi ʻe ua ʻoku ne ʻomi ʻa e fefeka fakasaienisi ki he lipooti ʻo e moʻui ʻa e LED. Ka ʻikai ʻa e LM-80, ko ha faʻahinga taukaveʻi pe ʻo e moʻui ko ha mateʻi pe ko ha fakamatala fakamaketi. ʻOku ʻomi ʻe he LM-80 ʻa e fakamatala faingataʻa mo ʻaotitaʻi—ko e fakamoʻoni ʻo e founga ʻoku ngaue moʻoni ai ʻa e LED ʻi he ngaahi tuʻunga ʻoku mapuleʻi mo mafasia. ʻOku ne fokotuʻu ha tefitoʻi moʻoni. Neongo ia, ʻoku ʻikai ke ʻomi ʻe he fakamatala ʻataʻata pe ʻa e tali aofangatuku ʻoku tau fie maʻu ki he fakamatala pau ʻo e koloa. ʻOku toʻo ʻe he TM-21 ʻa e fakamatala moʻoni ko ia pea fakaʻaongaʻi ha sipinga fakafika ʻoku toe vakaiʻi ʻe he toʻu tangata ke fokotuʻutuʻu ʻa e ngaue ko ia ki he kahaʻu, ʻo ne ʻomi kiate kitautolu ha fakafuofua ʻaonga mo falalaʻanga ʻo e moʻui ʻa e L70. Ko e founga sitepu ʻe ua ko ʻeni ʻoku ne fakamavahevaheʻi ʻa e ngaahi kautaha falalaʻanga mei he niʻihi ʻoku nau fai ha ngaahi taukaveʻi totuʻa. ʻI he taimi ʻoku ʻomi ai ʻe ha kautaha ʻa e ngaahi lipooti sivi LM-80 mei ha loki fakasaienisi ʻoku ʻiloʻi pea fakahaaʻi ʻenau fikaʻi ʻo e TM-21, ʻoku nau poupouʻi ʻa e moʻui ʻo ʻenau koloa ʻaki ha saienisi ʻoku lava ke fakapapauʻi. ʻOku mahuʻinga ʻaupito ʻa e fakamoʻoni ko ʻeni ki he kau fakatau mo e specifiers, tautautefito ki he ngaahi ngaue lalahi hange ko e ngaahi malaʻe vaʻinga, hala pe ngaahi fale ngaueʻanga ʻa ia ʻoku maʻolunga ai ʻa e fakamole ki hono fetongi. ʻOku ne fakaʻata ke fakafehoanaki ʻa e ʻapele ki he ʻapele ʻi he vahaʻa ʻo e ngaahi koloa LED kehekehe pea fakapapauʻi ʻe lava ke fakafuofuaʻi totonu ʻa e ngaue taimi loloa mo e fakafoki ʻo e ʻinivesimeni.

Ngaahi faikehekehe mahuʻinga ʻi he vahaʻa ʻo e LM-80 mo e TM-21

ʻOku fakamahinoʻi ʻe he tepile ko ʻeni ʻa e ngaahi fatongia kehekehe ʻo e ongo tuʻunga moʻui mahuʻinga ko ʻeni.

Ko hono fakaʻosi, ʻoku fie maʻu ke mahino ʻa e moʻui ʻa e maama LED ke fakalaka atu ʻi he fakafuofuaʻi ʻo e houa. ʻOku fie maʻu ke fakahoungaʻi ʻa e saienisi ʻo e holoki ʻo e lumen, fatongia mahuʻinga ʻo e puleʻi ʻo e mafana ʻo e ʻea, pea mo e ngaahi tuʻunga moʻui ʻo e ngaueʻanga—LM-80 ki hono siviʻi fefeka mo e TM-21 ki he fakafuofua falalaʻanga—ʻa ia ʻoku ne fakapapauʻi ʻoku falalaʻanga ʻa e ngaahi taukaveʻi ʻoku fai ʻe he ngaahi kautaha faʻu. Ki ha taha pe ʻoku kau ʻi hono fakamahinoʻi, fakatau mai, pe fili pe ʻa e maama LED tuʻunga maʻolunga, ko hono ʻiloʻi ʻa e faikehekehe ʻi he vahaʻa ʻo e ngaahi tuʻunga moʻui ko ʻeni mo e ʻuhinga moʻoni ʻo e L70 ko e ki ia ki hono fai ha fili fakapotopoto ʻoku ne fakapapauʻi ʻa e ngaue mo e mahuʻinga ki he taimi loloa.

Ngaahi Fehuʻi ʻOku Faʻa ʻEke Fekauʻaki mo e LED Life, LM-80, mo e TM-21

ʻOku taʻofi nai ʻa e ngaue ʻa e LED ʻi hono moʻui L70?

ʻIkai, ʻoku ʻikai tuku ʻa e ngaue ʻa e LED ʻi hono moʻui L70. Ko e L70 rating ko e tuʻunga ia kuo holo ai ʻa e mama ki he 70% ʻo hono ʻuluaki mahuʻinga. ʻE hokohoko atu pe ʻa e LED ke maʻu ha mama, ʻo fakaʻau ke poipoi, ʻi ha ngaahi houa ʻe lauiafe ʻo fakalaka atu ʻi hono tuʻunga L70, kae ʻoua kuo fuʻu poipoila ki hono taumuʻa pe ko ha konga hange ko e fakaʻuli ʻoku maumau.

Ko e ha ʻoku fie maʻu ai ke u ʻilo fekauʻaki mo e LM-80 mo e TM-21 ʻi he taimi ʻoku fakatau ai ha foʻi ʻuhila LED?

Ki ha foʻi ʻuhila faingofua ʻi ʻapi, mahalo he ʻikai fie maʻu ke ke fekumi ki he ngaahi lipoti. Neongo ia, ki he ngaahi ngaue fakakomesiale pe ngaueʻanga ʻoku ke ʻinivesi ai ʻi ha maama feʻunga mo ha paʻanga ʻe lauiafe ʻoku fie maʻu ke tolonga, ʻoku mahuʻinga ʻa e ngaahi tuʻunga moʻui ko ʻeni. Ko e founga pe ia ʻe taha ke fakapapauʻi ai ʻa e ngaahi taukaveʻi ʻo e moʻui ʻa e kautaha naʻa nau faʻu ʻa e moʻui. ʻOku ʻomi ʻe ha koloa ʻoku poupouʻi ʻe he fakamatala LM-80 mo e TM-21 ʻa e fakamoʻoni ʻo ʻene moʻui fuoloa, ka ko e taha ʻoku ʻikai ke ne fai ha taukaveʻi ʻoku ʻikai fakamoʻoniʻi.

ʻE anga fefe haʻaku ʻai ke tolonga ange ʻeku ngaahi maama LED?

Ko e meʻa mahuʻinga taha te ke lava ʻo mapuleʻi ko e vela. Fakapapauʻi ʻoku lelei ʻa e ʻea ʻo hoʻo ngaahi naunau LED pea ʻoku ʻikai fokotuʻu ia ʻi ha ngaahi feituʻu ʻoku tapuni mo ʻikai ʻea tukukehe kapau ʻoku ʻi ai ha fakafuofua pau ki ai. ʻE fakasiʻisiʻi ʻa e mafana ʻo e fetaulaki ʻo e LEDs ʻi hono tauhi ʻo e fakaʻuli mo e heat sink, ʻo fakasiʻisiʻi ʻa e founga ʻo e holoki ʻo e lumen pea fakalahi ʻa e taimi kae ʻoua kuo nau aʻu ki honau tuʻunga L70.