Kev ua haujlwm kho qhov muag ntawm LED purification teeb feem ntau suav nrog kev ua haujlwm ntawm qhov ci, spectrum thiab chromaticity. Raws li qhov tseeb kev lag luam tus qauv "Semiconductor Light Emitting Diode Test Method", muaj cov luminous ncov wavelength, spectral radiation bandwidth, axial lub teeb siv lub kaum ntse ntse, luminous flux, radiant flux, lub teeb efficiency, chromaticity coordinates, correlated xim kub, xim purity thiab tseem ceeb wavelength. parameters, xws li xim rendering index. Cov LEDs dawb feem ntau siv rau hauv LED purification teeb, thiab xim kub, xim rendering Performance index thiab illuminance yog qhov tseem ceeb. Nws yog ib qho tseem ceeb qhia txog lub teeb pom kev zoo thiab lub teeb pom kev zoo, tab sis feem ntau tsis tas yuav tsum muaj xim purity thiab dominant wavelength.
Cov kev coj ua tam sim no hauv kev lag luam LED yog ntim cov chips LED rau hauv qhov chaw teeb pom kev lossis cov teeb pom kev zoo, thiab tom qab ntawd ua cov teeb pom kev zoo rau hauv cov teeb rau lub teeb pom kev. Qhov no yog thawj txoj kev teeb pom kev zoo vim tias cov teeb pom kev zoo ib txwm tso tawm 360 degree teeb. Yog tias koj xav coj lub teeb mus rau sab hauv daim ntawv thov, Philips 'cov teeb pom kev zoo tam sim no yog qhov zoo tshaj plaws, thiab lub teeb poob tuaj yeem ncav cuag 40 feem pua. Cov teeb pom kev zoo ntawm cov teeb siv los ntawm ntau lub tuam txhab tsim hluav taws xob hauv tsev LED yog qhov ua tau zoo ntawm cov chips lossis cov teeb pom kev zoo, tsis yog tag nrho cov teeb pom kev zoo ntawm cov teeb.
Yuav ua li cas kom zoo dua lub teeb kev ua tau zoo, qhov tseeb technology nyob rau hauv lub ntiaj teb no yog ua lub teeb tis ntawm lub nti pob, tso tawm lub teeb ntawm lub nti nyob rau hauv ib lub sij hawm, thiab tswj lub siab tshaj plaws lub teeb tso zis, yog li lub teeb poob tsuas yog 5 feem pua. -10 feem pua. Nrog rau kev nce qib ntawm cov thev naus laus zis tsis tu ncua, lub teeb poob qis yuav qis dua thiab qis dua, thiab lub teeb pom kev zoo ntawm lub teeb ci yuav siab dua thiab siab dua. Lub teeb nruab nrog hom teeb pom kev zoo no tsis tas yuav ua lub teeb faib, thiab cov teeb pom kev zoo ntawm cov teeb yuav raug kho kom zoo, ua rau lawv siv ntau dua hauv kev teeb pom kev zoo thiab tsim kom muaj kev lag luam loj. Yog li ntawd, tus neeg muag khoom zoo LED yog peb qhov tseem ceeb tshaj plaws. Peb tsis tas yuav siv nyiaj ntau dhau los kawm txog seb peb cov LEDs tau siv li cas rau lub teeb faib, thiab peb tsis tas yuav siv sijhawm ntau thiab kev paub dhau los ntawm engineers siv software simulations. Txoj kev yooj yim tshaj plaws yog kom tau txais LED dawb lub teeb xa khoom los koom tes. Koj paub, yog tias peb cov engineers simulate hauv software, cov haujlwm tsim nyog yog cov khoom siv thiab cov khoom tawm. Cov tswv yim yog cov ntaub ntawv yav dhau los ntshuam, thiab cov zis yog qhov simulation tshwm sim, yog li cov ntaub ntawv yav dhau los yuav tsum muaj tseeb rau qhov rov qab-kawg simulation kom raug.
Thermal kev ua tau zoo (cov qauv): Lub luminous efficiency thiab fais fab mov ntawm LEDs rau teeb pom kev zoo yog ib tug ntawm cov yuam sij rau kev lag luam LED. Nyob rau tib lub sijhawm, PN kev sib tshuam kub ntawm LED thiab cov cua kub dissipation ntawm lub casing kuj tseem ceeb tshwj xeeb. Qhov ntau dua qhov sib txawv ntawm qhov kub thiab txias ntawm PN junction thiab lub teeb lub cev, lub thermal kuj ntau dua, thiab tom qab ntawd lub teeb lub zog hloov mus rau hauv lub zog hluav taws xob thiab khib nyiab. Hauv qhov xwm txheej hnyav, LED puas lawm. Ib tug zoo structural engineer yuav tsum tsis tsuas yog xav txog cov qauv ntawm lub teeb thiab thermal kuj ntawm LED, tab sis kuj xav txog seb lub teeb ntawm lub teeb yog tsim nyog, fashionable thiab tshiab. Tau kawg, nws tseem txhim khu kev qha, tswj tau, thiab siv tau. Xav txog cov khoom los ntawm tus neeg siv qhov kev xav, thiab tseem xav txog cov khoom los ntawm tus neeg siv qhov kev xav.
Ib qho txheej txheem niaj hnub no yog kev siv aluminium substrates rau ntim. Lub tshav kub dissipation thiab lub teeb conversion efficiency ntawm txhuas-raws li ntim chips muaj cov tub ntxhais kev bottlenecks, thiab nws yog tsis yooj yim sua kom zoo tswj lub hlws ris kub thiab tswj high-power optical tso zis stability. Daim ntawv thov yuav yog vim qhov ua tau zoo ntawm cov nti ntau dua, thiab qhov loj dua ntawm cov khoom siv aluminium substrate yuav tsum tau nce tus nqi thiab daim ntawv thov. Qhov kom muaj nuj nqis yog qhov tsis yooj yim heev. Yog li ntawd, yuav ua li cas rhuav tshem qhov kev nkag siab yuam kev no thiab tsim txoj kev tshiab yog qhov tseem ceeb ntawm cov cuab yeej tshiab. Nyob rau hauv lub hauv paus ntawm kev tswj tus nqi qis thiab passive tshav kub dissipation, siv high thermal conductivity nruab nrab, los ntawm tag nrho cov qauv ntawm lub tshiab ntaus ntawv / teeb, txo cov thermal kuj, txo qhov kub ntawm PN hlws ris, ua rau PN hlws ris ua hauj lwm nyob rau hauv lub tso cai. Kev khiav hauj lwm qhov kub thiab txias, thiab tswj qhov siab tshaj plaws ntawm PN junction photon tso zis.
Kev ua haujlwm kho qhov muag ntawm LED purification teeb feem ntau suav nrog kev ua haujlwm ntawm qhov ci, spectrum thiab chromaticity. Raws li qhov tseeb kev lag luam tus qauv "Semiconductor Light Emitting Diode Test Method", muaj cov luminous ncov wavelength, spectral radiation bandwidth, axial lub teeb siv lub kaum ntse ntse, luminous flux, radiant flux, lub teeb efficiency, chromaticity coordinates, correlated xim kub, xim purity thiab tseem ceeb wavelength. parameters, xws li xim rendering index. Cov LEDs dawb feem ntau siv rau hauv LED purification teeb, thiab xim kub, xim rendering Performance index thiab illuminance yog qhov tseem ceeb. Nws yog ib qho tseem ceeb qhia txog lub teeb pom kev zoo thiab lub teeb pom kev zoo, tab sis feem ntau tsis tas yuav tsum muaj xim purity thiab dominant wavelength.
Cov kev coj ua tam sim no hauv kev lag luam LED yog ntim cov chips LED rau hauv qhov chaw teeb pom kev lossis cov teeb pom kev zoo, thiab tom qab ntawd ua cov teeb pom kev zoo rau hauv cov teeb rau lub teeb pom kev. Qhov no yog thawj txoj kev teeb pom kev zoo vim tias cov teeb pom kev zoo ib txwm tso tawm 360 degree teeb. Yog tias koj xav coj lub teeb mus rau sab hauv daim ntawv thov, Philips 'cov teeb pom kev zoo tam sim no yog qhov zoo tshaj plaws, thiab lub teeb poob tuaj yeem ncav cuag 40 feem pua. Cov teeb pom kev zoo ntawm cov teeb siv los ntawm ntau lub tuam txhab tsim hluav taws xob hauv tsev LED yog qhov ua tau zoo ntawm cov chips lossis cov teeb pom kev zoo, tsis yog tag nrho cov teeb pom kev zoo ntawm cov teeb.
Yuav ua li cas kom zoo dua lub teeb kev ua tau zoo, qhov tseeb technology nyob rau hauv lub ntiaj teb no yog ua lub teeb tis ntawm lub nti pob, tso tawm lub teeb ntawm lub nti nyob rau hauv ib lub sij hawm, thiab tswj lub siab tshaj plaws lub teeb tso zis, yog li lub teeb poob tsuas yog 5 feem pua. -10 feem pua. Nrog rau kev nce qib ntawm cov thev naus laus zis tsis tu ncua, lub teeb poob qis yuav qis dua thiab qis dua, thiab lub teeb pom kev zoo ntawm lub teeb ci yuav siab dua thiab siab dua. Lub teeb nruab nrog hom teeb pom kev zoo no tsis tas yuav ua lub teeb faib, thiab cov teeb pom kev zoo ntawm cov teeb yuav raug kho kom zoo, ua rau lawv siv ntau dua hauv kev teeb pom kev zoo thiab tsim kom muaj kev lag luam loj. Yog li ntawd, tus neeg muag khoom zoo LED yog peb qhov tseem ceeb tshaj plaws. Peb tsis tas yuav siv nyiaj ntau dhau los kawm txog seb peb cov LEDs tau siv li cas rau lub teeb faib, thiab peb tsis tas yuav siv sijhawm ntau thiab kev paub dhau los ntawm engineers siv software simulations. Txoj kev yooj yim tshaj plaws yog kom tau txais LED dawb lub teeb xa khoom los koom tes. Koj paub, yog tias peb cov engineers simulate hauv software, cov haujlwm tsim nyog yog cov khoom siv thiab cov khoom tawm. Cov tswv yim yog cov ntaub ntawv yav dhau los ntshuam, thiab cov zis yog qhov simulation tshwm sim, yog li cov ntaub ntawv yav dhau los yuav tsum muaj tseeb rau qhov rov qab-kawg simulation kom raug.
Thermal kev ua tau zoo (cov qauv): Lub luminous efficiency thiab fais fab mov ntawm LEDs rau teeb pom kev zoo yog ib tug ntawm cov yuam sij rau kev lag luam LED. Nyob rau tib lub sijhawm, PN kev sib tshuam kub ntawm LED thiab cov cua kub dissipation ntawm lub casing kuj tseem ceeb tshwj xeeb. Qhov ntau dua qhov sib txawv ntawm qhov kub thiab txias ntawm PN junction thiab lub teeb lub cev, lub thermal kuj ntau dua, thiab tom qab ntawd lub teeb lub zog hloov mus rau hauv lub zog hluav taws xob thiab khib nyiab. Hauv qhov xwm txheej hnyav, LED puas lawm. Ib tug zoo structural engineer yuav tsum tsis tsuas yog xav txog cov qauv ntawm lub teeb thiab thermal kuj ntawm LED, tab sis kuj xav txog seb lub teeb ntawm lub teeb yog tsim nyog, fashionable thiab tshiab. Tau kawg, nws tseem txhim khu kev qha, tswj tau, thiab siv tau. Xav txog cov khoom los ntawm tus neeg siv qhov kev xav, thiab tseem xav txog cov khoom los ntawm tus neeg siv qhov kev xav.
Ib qho txheej txheem niaj hnub no yog kev siv aluminium substrates rau ntim. Lub tshav kub dissipation thiab lub teeb conversion efficiency ntawm txhuas-raws li ntim chips muaj cov tub ntxhais kev bottlenecks, thiab nws yog tsis yooj yim sua kom zoo tswj lub hlws ris kub thiab tswj high-power optical tso zis stability. Daim ntawv thov yuav yog vim qhov ua tau zoo ntawm cov nti ntau dua, thiab qhov loj dua ntawm cov khoom siv aluminium substrate yuav tsum tau nce tus nqi thiab daim ntawv thov. Qhov kom muaj nuj nqis yog qhov tsis yooj yim heev. Yog li ntawd, yuav ua li cas rhuav tshem qhov kev nkag siab yuam kev no thiab tsim txoj kev tshiab yog qhov tseem ceeb ntawm cov cuab yeej tshiab. Nyob rau hauv lub hauv paus ntawm kev tswj tus nqi qis thiab passive tshav kub dissipation, siv high thermal conductivity nruab nrab, los ntawm tag nrho cov qauv ntawm lub tshiab ntaus ntawv / teeb, txo cov thermal kuj, txo qhov kub ntawm PN hlws ris, ua rau PN hlws ris ua hauj lwm nyob rau hauv lub tso cai. Kev khiav hauj lwm qhov kub thiab txias, thiab tswj qhov siab tshaj plaws ntawm PN junction photon tso zis.
Kev ua haujlwm kho qhov muag ntawm LED purification teeb feem ntau suav nrog kev ua haujlwm ntawm qhov ci, spectrum thiab chromaticity. Raws li qhov tseeb kev lag luam tus qauv "Semiconductor Light Emitting Diode Test Method", muaj cov luminous ncov wavelength, spectral radiation bandwidth, axial lub teeb siv lub kaum ntse ntse, luminous flux, radiant flux, lub teeb efficiency, chromaticity coordinates, correlated xim kub, xim purity thiab tseem ceeb wavelength. parameters, xws li xim rendering index. Cov LEDs dawb feem ntau siv rau hauv LED purification teeb, thiab xim kub, xim rendering Performance index thiab illuminance yog qhov tseem ceeb. Nws yog ib qho tseem ceeb qhia txog lub teeb pom kev zoo thiab lub teeb pom kev zoo, tab sis feem ntau tsis tas yuav tsum muaj xim purity thiab dominant wavelength.
Cov kev coj ua tam sim no hauv kev lag luam LED yog ntim cov chips LED rau hauv qhov chaw teeb pom kev lossis cov teeb pom kev zoo, thiab tom qab ntawd ua cov teeb pom kev zoo rau hauv cov teeb rau lub teeb pom kev. Qhov no yog thawj txoj kev teeb pom kev zoo vim tias cov teeb pom kev zoo ib txwm tso tawm 360 degree teeb. Yog tias koj xav coj lub teeb mus rau sab hauv daim ntawv thov, Philips 'cov teeb pom kev zoo tam sim no yog qhov zoo tshaj plaws, thiab lub teeb poob tuaj yeem ncav cuag 40 feem pua. Cov teeb pom kev zoo ntawm cov teeb siv los ntawm ntau lub tuam txhab tsim hluav taws xob hauv tsev LED yog qhov ua tau zoo ntawm cov chips lossis cov teeb pom kev zoo, tsis yog tag nrho cov teeb pom kev zoo ntawm cov teeb.
Yuav ua li cas kom zoo dua lub teeb kev ua tau zoo, qhov tseeb technology nyob rau hauv lub ntiaj teb no yog ua lub teeb tis ntawm lub nti pob, tso tawm lub teeb ntawm lub nti nyob rau hauv ib lub sij hawm, thiab tswj lub siab tshaj plaws lub teeb tso zis, yog li lub teeb poob tsuas yog 5 feem pua. -10 feem pua. Nrog rau kev nce qib ntawm cov thev naus laus zis tsis tu ncua, lub teeb poob qis yuav qis dua thiab qis dua, thiab lub teeb pom kev zoo ntawm lub teeb ci yuav siab dua thiab siab dua. Lub teeb nruab nrog hom teeb pom kev zoo no tsis tas yuav ua lub teeb faib, thiab cov teeb pom kev zoo ntawm cov teeb yuav raug kho kom zoo, ua rau lawv siv ntau dua hauv kev teeb pom kev zoo thiab tsim kom muaj kev lag luam loj. Yog li ntawd, tus neeg muag khoom zoo LED yog peb qhov tseem ceeb tshaj plaws. Peb tsis tas yuav siv nyiaj ntau dhau los kawm txog seb peb cov LEDs tau siv li cas rau lub teeb faib, thiab peb tsis tas yuav siv sijhawm ntau thiab kev paub dhau los ntawm engineers siv software simulations. Txoj kev yooj yim tshaj plaws yog kom tau txais LED dawb lub teeb xa khoom los koom tes. Koj paub, yog tias peb cov engineers simulate hauv software, cov haujlwm tsim nyog yog cov khoom siv thiab cov khoom tawm. Cov tswv yim yog cov ntaub ntawv yav dhau los ntshuam, thiab cov zis yog qhov simulation tshwm sim, yog li cov ntaub ntawv yav dhau los yuav tsum muaj tseeb rau qhov rov qab-kawg simulation kom raug.
Thermal kev ua tau zoo (cov qauv): Lub luminous efficiency thiab fais fab mov ntawm LEDs rau teeb pom kev zoo yog ib tug ntawm cov yuam sij rau kev lag luam LED. Nyob rau tib lub sijhawm, PN kev sib tshuam kub ntawm LED thiab cov cua kub dissipation ntawm lub casing kuj tseem ceeb tshwj xeeb. Qhov ntau dua qhov sib txawv ntawm qhov kub thiab txias ntawm PN junction thiab lub teeb lub cev, lub thermal kuj ntau dua, thiab tom qab ntawd lub teeb lub zog hloov mus rau hauv lub zog hluav taws xob thiab khib nyiab. Hauv qhov xwm txheej hnyav, LED puas lawm. Ib tug zoo structural engineer yuav tsum tsis tsuas yog xav txog cov qauv ntawm lub teeb thiab thermal kuj ntawm LED, tab sis kuj xav txog seb lub teeb ntawm lub teeb yog tsim nyog, fashionable thiab tshiab. Tau kawg, nws tseem txhim khu kev qha, tswj tau, thiab siv tau. Xav txog cov khoom los ntawm tus neeg siv qhov kev xav, thiab tseem xav txog cov khoom los ntawm tus neeg siv qhov kev xav.
Ib qho txheej txheem niaj hnub no yog kev siv aluminium substrates rau ntim. Lub tshav kub dissipation thiab lub teeb conversion efficiency ntawm txhuas-raws li ntim chips muaj cov tub ntxhais kev bottlenecks, thiab nws yog tsis yooj yim sua kom zoo tswj lub hlws ris kub thiab tswj high-power optical tso zis stability. Daim ntawv thov yuav yog vim qhov ua tau zoo ntawm cov nti ntau dua, thiab qhov loj dua ntawm cov khoom siv aluminium substrate yuav tsum tau nce tus nqi thiab daim ntawv thov. Qhov kom muaj nuj nqis yog qhov tsis yooj yim heev. Yog li ntawd, yuav ua li cas rhuav tshem qhov kev nkag siab yuam kev no thiab tsim txoj kev tshiab yog qhov tseem ceeb ntawm cov cuab yeej tshiab. Nyob rau hauv lub hauv paus ntawm kev tswj tus nqi qis thiab passive tshav kub dissipation, siv high thermal conductivity nruab nrab, los ntawm tag nrho cov qauv ntawm lub tshiab ntaus ntawv / teeb, txo cov thermal kuj, txo qhov kub ntawm PN hlws ris, ua rau PN hlws ris ua hauj lwm nyob rau hauv lub tso cai. Kev khiav hauj lwm qhov kub thiab txias, thiab tswj qhov siab tshaj plaws ntawm PN junction photon tso zis.
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