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NederlandsNws paub tias lub teeb dawb yog qhov sib xyaw ntawm cov xim, xws li lub teeb ob lub wavelength (xiav lub teeb ntxiv rau lub teeb daj) lossis peb lub teeb (xiav lub teeb ntxiv rau lub teeb ntsuab ntxiv rau lub teeb liab), uas tuaj yeem sib xyaw lub teeb dawb. Vim tias tam sim no kev loj hlob ntawm cov LEDs dawb yog raws li Blu-duab tshav thev naus laus zis, cov hauv qab no yog txoj hauv kev tseem ceeb uas LEDs tsim lub teeb dawb:
1.Siv liab, ntsuab thiab xiav lub teeb-emitting diodes los kho lawv tus kheej brightness kom ua tiav lub teeb dawb. Feem ntau hais lus, qhov ci ci ntawm liab, ntsuab thiab xiav yuav tsum yog 3: 6: 1, lossis tsuas yog liab, ntsuab lossis xiav. Ob lub teeb daj LED kho lawv qhov ci ci kom tawm lub teeb dawb. Qhov loj tshaj drawback ntawm xws li ib tug dawb lub teeb qauv yog nws cov nqi siab, uas yog tsis conducive rau coj mus muag.
2. Kom emit lub teeb dawb, xiav InGaN LEDs kuj siv tau los de-excite daj phosphors. Cov qauv ntawm lub teeb dawb no yog muab lub teeb xiav LED thiab YAG fluorescent khoom ua ke thiab siv lub teeb xiav los ua kom cov khoom siv fluorescent kom lub spectrum nws tawm yog lub teeb dawb. Hauv qhov no, Japanese LED chaw tsim tshuaj paus Nichia Chemical Co., Ltd. (Nichia Chemical Industry) muaj lub ntiaj teb patent.
3. Siv UV LED nti los ua kom RGB (liab, ntsuab, xiav) fluorescent hmoov los tsim lub teeb dawb.
Raws li cov txheej txheem saum toj no, peb tuaj yeem faib cov LEDs dawb raws li hauv qab no:
Dawb LEDs tuaj yeem faib ua ob hom wavelengths thiab peb wavelengths. Ob hom wavelength tau muab faib ua ob pawg: ib leeg-chip (xiav InGaN ntxiv rau YAG) (xiav ZnSe ntxiv rau substrate) thiab dual-chip (xiav InGaN ntxiv rau daj-ntsuab chlorohydrate kis).
Peb hom wavelength yog muab faib ua ob hom: ib-chip (liab, xiav, ntsuab, thiab ib-chip LEDs) (ultraviolet chips ntxiv rau liab, xiav, thiab ntsuab fluorescent lub cev) thiab multi-chip (liab, xiav, thiab ntsuab LEDs, 3Chip), tag nrho cov uas tuaj yeem ua tiav LED Lub hom phiaj ntawm emitting lub teeb dawb.
