LED teeb hloov xim li cas?

LED teeb hloov xim li cas?

Los ntawm Kevin Rao Nov 18, 2025

Lub peev xwm ntawm LED teeb hloov xim yog qhov zoo nkauj ntawm kev siv thev naus laus zis niaj hnub, tsim kom muaj kev sib haum xeeb thiab hloov tau ib puag ncig rau tsev, chaw muag khoom, thiab cov khoom vaj tsev. Thaum nws tsis tuaj yeem hloov cov xim ntawm ib qho LED diode, cov tshuab siab heev muab ntau lub diodes kom ua tiav cov txiaj ntsig no. Cov txheej txheem no tso siab rau kev sib xyaw ua ke ntawm lub teeb liab, ntsuab, thiab xiav.

Kab lus no piav qhia txog cov thev naus laus zis tom qab xim - hloov LEDs thiab qhia meej txog lub ntsiab lus tseem ceeb: xim kub.

Lub Tshuab Tom Qab Xim: RGB Systems

Txoj kev siv ntau tshaj plaws rau kev tsim xim - hloov lub teeb yog dhauRGB (Liab, Ntsuab, Xiav)tshuab. Nov yog qhov nws ua haujlwm li cas:

Triad ntawm Diodes:RGB LED qhov muag teev tsis yog ib qho teeb pom kev zoo. Hloov chaw, nws yog ib chav tsev compact uas muaj peb cais, me me semiconductor diodes -ib liab, ib ntsuab, thiab ib tug xiav.

Lub luag haujlwm ntawm Semiconductors:Cov xim tshwj xeeb txhua diode emits yog txiav txim los ntawm cov khoom ntawm nws cov semiconductor:

Liabdiodes feem ntau yog tsim los ntawm aluminium gallium arsenide.

Ntsuabdiodes siv gallium phosphide.

Xiavdiodes cia siab rau indium gallium nitride.
Txhua yam khoom emits ib tug tshwj xeeb, tsau xim thaum ib tug hluav taws xob tam sim no hla nws.

Tsim cov Spectrum:Los ntawm nws tus kheej kho qhov siv zog (brightness) ntawm txhua yam ntawm peb lub diodes, LED tuaj yeem tsim cov xim loj heev. Qhov kev sib xyaw no tshwm sim los ntawmadditive xim txoj kev xav, qhov twg cov xim sib txawv ntawm lub teeb ua ke los tsim cov tshiab.

Cov piv txwv ntawm kev sib xyaw xim:

Liab (100%) + Ntsuab (100%) + Xiav (0%)ua daj.

Liab (100%) + Ntsuab (0%) + Xiav (100%)tsim Magenta.

Liab (0%) + Ntsuab (100%) + Xiav (100%)tsim Cyan.

Liab (100%) + Ntsuab (100%) + Xiav (100%)tsim lub teeb dawb.

Los ntawm kev kho kom zoo tam sim no rau txhua lub diode rau ntau feem pua ​​​​ntawm 0% thiab 100%, lub kaw lus tuaj yeem tsim ntau dua 16 lab cov xim sib txawv.

Cov tswj kev txawj ntse thiab cov thev naus laus zis thev naus laus zis tswj hwm qhov kev hloov pauv ntawm qhov ci ntsa iab thiab lub suab nrov, tso cai rau kev hloov kho tag nrho, lub teeb pom kev zoo, thiab hloov xim tsis sib haum.

Xim kub: Ib lub tswv yim txawv

Nws yog ib qho tseem ceeb kom paub qhov txawv "lub teeb xim" los ntawm "xim kub."

Xim Xim:Hais txog qhov tseeb xim ntawm lub teeb, xws li liab, xiav, lossis ntsuab, raws li tsim los ntawm RGB systems.

Xim kub:Qhia tshwj xeeb rau covntxoov ntxoo dawbemitted los ntawm LED. Nws piav qhia seb lub teeb dawb zoo li sov (daj) lossis txias (xiav) thiab ntsuas hauvKelvin (K).

Nkag siab Kelvin Scale:

Lub Kelvin scale rau teeb pom kev zoo yog raws li cov xim hloov ntawm ib tug theoretical dub khoom raws li nws yog rhuab. Cov xim sov, xim liab sib haum rau qhov kub thiab txias, thaum txias dua, xim xiav sib haum rau qhov kub siab dua.

Dawb Dawb (2,000K - 3,000K):Tsim ib qho chaw cozy, so kom txaus, zoo ib yam li cov qij taws.

Txias Dawb (3,500K - 4,500K):Muab lub teeb huv si, nruab nrab, zoo tagnrho rau chav ua noj thiab chaw ua haujlwm.

Hnub ci (5,000K - 6,500K):Muab lub ci ci, xiav -dawb lub teeb uas ua raws li lub hnub ci ntuj, txhawb kev ceeb toom.

Hauv cov ntsiab lus, LED teeb hloov xim los ntawm kev sib xyaw ua ke ntawm liab, ntsuab, thiab xiav diodes nyob rau hauv ib chav tsev, tswj los ntawm cov tshuab ntse. Lub caij no, qhov dawb ntawm lub teeb-los ntawm sov mus rau txias- yog cais los ntawm nws cov xim kub ntsuas hauv Kelvin. Qhov kev sib xyaw ua ke ntawm cov thev naus laus zis no muab kev hloov pauv tsis sib xws rau kev tsim teeb pom kev niaj hnub.

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