LED teeb yog ib daim ntawv cog lus ntawm kev teeb pom kev zoo niaj hnub hauv cov chaw pej xeem thiab tsev. Lawv tam sim no nrov vim lawv lub zog siv hluav taws xob. Xyoo 1927, LED raug tsim los ntawm O.V. Losev, txawm li cas los xij, LED teeb nkag mus rau cov neeg siv khoom lag luam hauv xyoo 1960 xwb. Cov neeg tsim tawm strove kom tau txais LEDs ntawm cov xim sib txawv, thiab nyob rau xyoo 1990, cov teeb dawb tau tsim, uas tam sim no siv tau rau hauv lub neej txhua hnub. Puas zoo siv LED qij nyob hauv koj tsev? Txhawm rau teb cov lus nug no, koj yuav tsum paub dab tsi zoo LED teeb pom kev tau cuam tshuam rau tib neeg kev noj qab haus huv.
Qhov mob ntawm LEDs rau cov kabmob ntawm lub zeem muag
Txhawm rau txhawm rau txheeb xyuas qhov tseeb ntawm LED teeb, ntau cov kev tshawb fawb tau nqa tawm los ntawm Spanish cov kws tshawb fawb. Lawv cov txiaj ntsig tau qhia tias lawv tsim cov khoom siv hluav taws xob ntau dua, uas muaj cov xim violet ntau dua, thiab tshwj xeeb tshaj yog xiav, lub teeb. Lawv cuam tshuam tsis zoo rau cov plab hnyuv siab raum ntawm lub zeem muag, lub npe, lawv tuaj yeem ua kev puas tsuaj ntawm cov pob mob retina. Xiav xiav tuaj yeem ua rau raug mob ntawm cov hom nram qab no:
- photothermal - ua rau qhov kub nce ntxiv;
- photomechanical - qhov zoo ntawm lub nthwv dej ntawm lub teeb;
- photochemical - hloov pauv ntawm qib macromolecular.
Thaum cov qog ntawm cov pob txha mos retinal epithelium cuam tshuam, ntau yam kev mob tshwm sim, nrog rau qhov no ua rau muaj qhov tsis pom kev tiav. Raws li muaj pov thawj pom los ntawm cov kws tshawb fawb, kev tawm ntawm xiav lub teeb nyob rau hauv cov hlwb no ua rau lawv tuag. Lub teeb dawb thiab ntsuab tseem tsim kev puas tsuaj, tab sis raws li qhov tsawg dua, thiab liab tsis yog qhov tsim kev puas tsuaj. Dua li ntawm qhov no, lub teeb pom kev zoo xiav ua rau muaj txiaj ntsig zoo thiab txhim kho kev xav.
Cov kws tshaj lij tsis pom zoo kom siv cov teeb pom kev zoo hauv LED thaum yav tsaus ntuj thiab thaum hmo ntuj, tshwj xeeb tshaj yog ua ntej pw, vim nws tuaj yeem pab txhawb kev txhim kho cov kabmob no:
- mob cancer;
- ntshav qab zib mellitus;
- kab mob plawv.
Ib qho ntxiv, qhov zais cia ntawm melatonin yog txhawm rau hauv lub cev.
Qhov teebmeem ntawm LED rau qhov
Ntxiv rau tib neeg lub cev, LED teeb pom kev zoo muaj qhov tsis zoo ntawm ib puag ncig. Qee qhov ntawm LED muaj cov khoom ntawm arsenic, txhuas, thiab lwm yam. Nws ua teeb meem rau nqus cov pa uas tshwm sim thaum lub teeb taws LED. Muab cov hnab looj tes tiv thaiv thiab daim npog ntsej muag pov tseg.
Txawm hais tias muaj qhov cuam tshuam pom tsis meej, LED teeb siv lub teeb pom kev zoo ntawm kev lag luam ntawm lub teeb pom kev. Lawv tsis ua pa phem rau ib puag ncig dua li cov teeb tsa hluav taws xob muaj mercury. Txhawm rau kom txo qhov tsis zoo rau kev noj qab haus huv, koj yuav tsum tsis txhob siv cov LEDs tas li, sim ua kom tsis txhob muaj cov duab xiav xiav, thiab tseem yuav tsum tsis txhob siv cov teeb pom kev zoo ua ntej mus pw.
