Jul 18, 2018 Tso lus

LCD Cov Kev Pab Cuam

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Cov duab LCD yuav tsum tiv thaiv daim ntawv thov ntawm DC voltage: qhov me dua DC qhov hluav taws xob ntawm qhov hluav taws xob, qhov zoo dua. Tsis txhob pub tshaj 50mV tshaj plaws. Yog hais tias muaj lub npe loj hauv DC los thov ntev, electrolysis thiab electrode kev laus yuav tshwm sim, yog li ua rau txo txoj sia.

Lub teeb ntawm lub LCD yuav tsum muaj kev tiv thaiv los ntawm UV hluav taws xob: tsis txhob mus ncaj lub hnub ntev. Cov kua siv lead ua kua thiab cov phom polarizing yog cov organic cov organic, thiab cov tshuaj lom yees duab thiab qhov teeb meem tshwm sim hauv ultraviolet irradiation. Yog li, hauv cov khoom siv ua kua dej ua kua, nws yog qhov tsim nyog los xav txog seb nws puas tsim nyog los muab ultraviolet shielding lim los yog lwm yam ultraviolet shielding txoj kev nyob rau hauv pem hauv ntej ntawm lub kua siv lead ua kua ntaus khoom raws li nws siv thiab ib puag ncig.

Lub tshuab LCD yuav tsum muaj kev tiv thaiv los ntawm cov huab cua phem: cov kua pleev kua thiab cov roj ntsha tuaj yeem yog cov organic, tshuaj lom neeg thiab qhov teeb meem tshwm sim nyob rau qhov chaw ntawm cov huab cua phem, yog li siv qhov kev ntsuas tawm uas yuav tsum tau siv cov teeb meem roj cua, thiab tsis tuaj yeem nqa tom qab siv lub tshuab. Sib khi thiab muab cia rau ib lub sij hawm ntev los tiv thaiv kom cov concentration ntawm cov roj gases generated los ntawm cov ntaub ntawv yas thiab lub rooj sib tham hauv tsev cog khoom ntawm tus neeg ua hauj lwm los ntawm kev ua kom cov kua siv lead ua kua thiab cov roj ntsha.

Cov kua siv lead ua kua dej yog ua los ntawm ob daim iav nrog 5 mus rau 10 um ntawm lawv thiab yog nyias nyias. Ntxiv mus, lub puab nto ntawm iav kuj yog coated nrog ib zaj duab xis oriented, uas yog yooj yim puas. Yog li, cov ntsiab lus nram qab no kuj tseem yuav tsum tau muab sau tseg: qhov chaw ua kua ntawm cov kua siv lead ua kua tsis muaj peev xwm tswj tau kom tsis txhob muaj teeb meem txheej txheem. Yog hais tias muaj ntau lub siab thaum lub sijhawm ua ke lossis los ntawm nias lub cuab yeej, nws yuav tsum sawv ntsug rau ib teev thiab ces hwj chim rau. Nco ntsoov tias yuav tsum tsis muaj kev kub hloov ntawm lub zog thaum muaj hluav taws xob. Lub siab yuav tsum tsis tau yog thaum lub ntaus ntawv nias, tsuas yog sab ntawm lub cuab yeej yog nias, qhov nruab nrab tsis tuaj yeem raug ntaus, thiab lub zog tsis tuaj yeem siv tau.

Cov kua siv lead ua kua tshaj tawm ntau tshaj qhov ntsuas kub, yog li ntawd nws yuav tsum tau muab siv thiab siv nyob rau hauv qhov teev tseg. Thaum lub ntsuas kub siab dhau lawm, cov kua siv lead ua kua ploj thiab ua kua, thiab cov duab saum npoo dub, uas tsis tuaj yeem ua haujlwm. Thov ceev faj tsis txhob muaj zog thaum lub sij hawm no, thiab rov qab tau tus kheej rov qab tau tom qab ntsuas kub tas. Yog tias qhov kub tsis txaus, cov kua siv lead ua kua pib ua dej khov, ua rau kev puas tsuaj mus tas li. Ntxiv mus, thaum muab cia huab cua ntev ntev los yog raug rau kev nplua thiab poob siab, tus LCD kuj ua rau cua npuas.

Tiv thaiv iav tawg: Vim tias cov khoom tso tawm yog ua los ntawm iav, yog tias ploj lawm, iav yuav twv yuav raug qis, yog li tsim cov khoom sib dhos thiab kev sib tw thiab tej yam ua haujlwm ntawm lub txoos yuav tsum tau kuaj.

Hws noo tuaj yeem ua rau ntawm lub tshuab: Vim tias qhov tsis muaj zog thiab micro lub hwj huam ntawm cov kua siv lead ua kua, cov resistive ntawm cov khoom siv lead ua kua muaj siab heev (txog li 1 × 1010 Ω lossis ntau dua). Yog li ntawd, lub khob ntawm cov iav los ntawm cov dej noo yuav ua rau "txoj hlua" ntawm cov ntu thaum lub tshuab tso tawm kom pom, yog li tsim ntawm tag nrho cov tshuab yuav tsum xav txog kev ya raws. Feem ntau, muab tso rau ntawm qhov kub ntawm 5 ~ 30 ° C thiab cov av noo ntawm 65%.

Kev ntxuav tu cov kua tshuaj siv ua kua: Vim tias cov kua siv lead ua kua yog lub hnab yas thawv thiab daim ntawv tho, khawb thiab cov hmoov txhuam yuav tsum tau muab pov tseg thaum lub sijhawm sib dhos thiab cia. Tsis tas li ntawd, muaj ib daim yeeb yaj kiab tiv thaiv nyob rau hauv pem hauv ntej polarizer, uas yog muab tshem tawm thaum siv. Yog hais tias qhov saum npoo ntawm lub cuab yeej yog lo av, nws tuaj yeem raug kho nrog ib tus mos mos, nplua paj thiab paj rwb. Yog hais tias tsim nyog siv tshuaj txhuam hniav los ntxuav, tsuas yog siv cov isopropyl cawv (glycerol), cawv, thiab tsis siv acetone, cov tshuaj ua kom tov, xws li toluene, thiab lwm yam. .

Cov kua siv lead ua kua tshuaj yog tsav los ntawm COMS Circuit, yog li nws tseem ceeb yuav tsum tau them nqi rau qhov tseeb tias cov tswv yim module tsis tuaj yeem muab ntxiv thaum tus qauv module tsis muaj zog. Nws yog ib qho tsim nyog tiv thaiv hluav taws xob thaum lub sijhawm sib txoos ua ke, hnav cov khoom qub los tiv thaiv txhua tus, lub cev tib neeg lub cev, lub rooj ua haujlwm thiab cov kav hlau, cov cuab yeej, thiab lwm yam.

Thaum muaj tus LCD nrog hlau pins, thaum siv lub koob yas, lub pob yas qij yuav tsum yog 4 hli lossis ntau tshaj ntawm lub hauv paus thiab yuav tsum tsis txhob saib xyuas lossis ua siab dhau kom tsis txhob cuam tshuam cov kev sib txuas. Qhov siab tshaj plaws tiv thaiv ntawm qhov sib koom tes yuav tsum tsis pub tshaj 80 ° C. Txhob ntxuav cov xab npum ntawm tus pin, vim hais tias lub xab npum yuav ua rau chlorine nyob rau hauv tshav ntuj thiab daim form hydrochloric acid tom qab nqus dej, yog li corroding tus electrode.


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