Txoj kev ntsuam xyuas ntawm cov xim rendering ntawm LED teeb lub teeb, kuv vam tias nws yuav ua tau yooj yim thiab siv tau. Txawm li cas los xij, simplicity thiab practicality feem ntau yog ob qhov kev xav tsis sib xws. Nyob rau hauv CIE xim system, cov xim rendering Performance index Ra yog cov khoom ntawm xws li kev sib haum xeeb: nws yog ib qho yooj yim, thiab tsuas yog xav tau ib tug nqi nyob rau hauv 100 los qhia cov xim rendering muaj nuj nqi ntawm lub teeb qhov chaw. Ra=100 suav tias yog cov zaub zoo tshaj plaws. xim. Tab sis qee zaus tib neeg tsis xav li ntawd. Piv txwv li, nplooj nyob rau hauv lub teeb incandescent tsis zoo li ci heev. Lub ntsiab lus nyob qhov twg? Wb sib tham txog dab tsi yog qhov dav dav xim rendering Performance index. Rau lub hom phiaj ntawm brevity, peb tsuas yog tham txog lub ntsiab muaj pes tsawg leeg txoj kev ntawm cov xim rendering Performance index Ra ntawm lub dav LED raj ntawm no thiab tsis txhob tham txog nws cov ncauj lus kom ntxaws txoj kev xam. Qhov tseeb, hauv peb lub neej niaj hnub, peb feem ntau tshawb xyuas cov xim rendering ntawm LED teeb qhov chaw. Ntau tus neeg muaj kev paub zoo li no. Thaum tus poj niam ceev faj yuav cov khaub ncaws hauv khw muag khoom, lawv feem ntau yuav tsum tau mus sab nraud los xyuas cov xim ntawm cov khaub ncaws nyob rau hauv tshav ntuj. Nyob rau hauv tas li ntawd, nws yog tiag overhauling cov xim rendering ntawm lub teeb qhov chaw nyob rau hauv lub khw khw: saib tib daim ntawm cov khaub ncaws, dab tsi yog qhov txawv ntawm cov khaub ncaws nyob rau hauv lub teeb pom kev zoo ntawm lub khw muag khoom lub teeb qhov chaw thiab nyob rau hauv lub qhov. teeb pom kev ntawm lub hnub ci. Yog li txhawm rau piav qhia cov xim rendering ntawm lub teeb ci, yuav tsum muaj ob lub ntsiab lus ntxiv: hnub ci (qhov siv lub teeb ci) thiab khaub ncaws (cov khoom xim). Hauv CIE xim system, txhawm rau txiav txim siab cov xim rendering ntawm lub teeb ci los ntsuas, qhov siv lub teeb ci yuav tsum raug xaiv ua ntej, thiab cov xim ntawm cov khoom siv teeb pom kev zoo tuaj yeem pom zoo tshaj plaws nyob rau hauv lub teeb pom kev ntawm lub teeb siv lub teeb. . Lub CIE xim system txhais tau tias: thaum qhov sib txheeb xim kub ntawm lub teeb qhov chaw yuav tsum tau ntsuas yog qis dua 5000K, lub cev dub nrog cov xim kub uas ze tshaj plaws yog siv los ua qhov siv lub teeb ci; Thaum qhov sib txheeb xim kub ntawm lub teeb ci yuav tsum ntsuas ntau dua 5000K, D lub teeb qhov chaw nrog qhov kub ntawm cov xim ze tshaj yog siv los ua qhov siv lub teeb ci. Ntawm no D illuminant yog ib lub hnub ci uas nws cov xim xim tuaj yeem sawv cev rau tus lej thiab muaj feem xyuam rau xim kub. Tom qab xaiv qhov siv lub teeb ci, koj kuj yuav tsum xaiv cov khoom muaj xim. Vim muaj ntau haiv neeg ntawm cov xim, nws yog ib qho tsim nyog yuav tau xaiv ib txheej xim xim kom lawv tuaj yeem sawv cev rau cov xim uas siv ntau. CIE xim system tau xaiv 8 xim, uas muaj ntau yam ntxoov ntxoo thiab nruab nrab lightness thiab chromaticity. Nyob rau hauv lub uv xim system, tshwj xeeb xim rendering Performance index Ri ntawm lub swatch tuaj yeem tau los ntawm kev ntsuas qhov sib txawv ntawm cov xim sib koom ua ke ntawm txhua qhov teev swatch nyob rau hauv lub teeb pom kev ntawm lub teeb los ntsuas thiab qhov illumination ntawm qhov siv lub teeb ci, uas. yog, xim hloov ΔEi. (Ri=100-4.6ΔEi) Cov xim rendering Performance index Ra yog tau los ntawm kev noj cov lej zauv ntawm cov xim tshwj xeeb rendering Performance index Ri ntsuas los ntawm 8 tus qauv xim palettes. Qhov siab tshaj plaws ntawm cov xim rendering Performance index Ra ntawm lub teeb pom kev yog 100, uas yog suav tias yog qhov zoo tshaj plaws xim rendering ntawm LED raj lub teeb qhov chaw nyob rau lub sij hawm no.
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