Cov koob yees duab tau ua ntau yam zoo heev rau lub ntiaj teb ntawm kev yees duab, nrog rau kev muaj peev xwm saib ib daim duab uas koj nyuam qhuav tua kom pom tias nws zoo nkaus li ua ntej koj tsiv mus rau lwm qhov chaw. Yog hais tias ib tug neeg tau nws lub qhov muag kaw los sis yog tias qhov kev hloov ntawm nws tus kheej tsis zoo heev, koj tuaj yeem hloov daim duab. Tus yuam sij rau cov cuab yeej no yog qhov kev tshuaj ntsuam. Mus nyeem ntawv kom nkag siab tias qhov twg yog qhov LCD?
To taub lub koob yees duab & # s LCD
LCD, los yog Ua Kua Crystal Zaub, yog lub tshuab siv los tsim cov ntxig ntxig rau hauv qab ntawm txhua lub koob yees duab digital. Nyob rau hauv lub koob yees duab digital, LCD ua haujlwm rau kev saib xyuas cov duab, kev xaiv cov kev xaiv zaub mov, thiab ua haujlwm nyob rau hauv lub neej.
Txhua cov koob yees duab muaj cov ntxaij vab tshaus xim. Hauv qhov tseeb, qhov screen zaub tau ua rau txoj kev nyiam qhov kev tshwm sim ntawm qhov chaw, tsuas yog muaj tsawg tus digital cov koob yees duab tam sim no muaj ib qho kev pom dua. Tau kawg nrog cov koob yees duab koob yees duab, txhua lub koob yees duab yuav tsum muaj ib qhov kev pom zoo kom cia koj mus rau qhov chaw.
LCD screen sharpness nyob ntawm cov pixels lub LCD tau tso saib, thiab cov xov tooj no yuav tsum tau muab teev rau hauv lub koob yees duab cov lus qhia. Ib qho screen zaub uas muaj ntau pixels ntawm kev daws teeb meem yuav tsum yog tshaj ib qho pixels tsawg dua.
Txawm tias qee lub koob yees duab yuav muaj ib qho screen uas siv cov duab sib txawv dua LCD, lub sij hawm LCD tau ua ib qho tseem ceeb ntawm cov duab ntxiab ntawm cov koob yees duab.
Tsis tas li ntawd, qee qhov lwm cov koob yees duab yuav ua rau kev siv cov ntaub ntawv touchscreen los yog ntawm cov duab kos , qhov twg qhov kev tshuaj ntsuam yuav twv thiab tawm ntawm lub cev lub koob yees duab.
LCD Tshuab
Cov kua siv lead ua kua ua rau siv cov txheej (molecules) (cov kua siv ua kua dej) uas muab tso rau ntawm ob lub electrodes, uas yog pob tshab. Raws li cov ntawv tso npe siv hluav taws xob them nqi hluav taws xob rau cov electrodes, cov kua tshuaj kua roj ntsha hloov hloov. Tus nqi ntawm hluav taws xob them nqi txiav txim xyuas cov xim txawv uas tshwm hauv LCD.
Lub teeb ci ntsa iab yog siv los siv lub teeb tom qab lub kua siv lead ua kua, uas cia rau cov khoom pom.
Lub vijtsam npo muaj tsheej lab ntawm cov pixels , thiab txhua tus neeg pixel yuav muaj xim txawv. Koj tuaj yeem xav txog cov pixels no raws li ib tug neeg. Raws li cov dots tso rau sab tod thiab mus raws li, ua ke ntawm pixels tas cov duab ntawm qhov screen.
LCD thiab HD Resolution
Ib qho HDTV muaj kev daws teeb meem ntawm 1920 x 1080, uas tau tshwm sim tag nrho txog 2 lab pixels. Txhua tus ntawm cov neeg pixels no yuav tsum tau hloov ntau ntau zaus ntawm ob zaug kom pom cov khoom txav ntawm qhov ntsuas kom zoo. Nkag siab li cas lub LCD screen ua haujlwm yuav pab tau koj txaus siab rau qhov nyuaj ntawm lub tshuab siv los tsim cov khoom ntawm qhov screen.
Nrog lub koob yees duab npo, cov pixels ntau ntawm li ntawm 400,000 rau tej zaum 1 lab lossis ntau dua. Li ntawd lub koob yees duab zaub screen tsis heev thov HD daws teeb meem. Txawm li cas los xij, thaum koj xav txog lub koob thaij duab feem ntau yog li ntawm 3 thiab 4 ntiv (ntsuas kab los ntawm ib ces kaum ntawm lub ces kaum mus rau nram qab), thaum lub TV screen feem ntau ntawm 32 thiab 75 nti (ntxiv ntsuas kab pheeb suab), koj tuaj yeem pom vim li cas lub koob yees duab zaub zoo nkaus li ntse. Koj tab tom zawm txog ib nrab ntawm ntau pixels rau hauv ib qho chaw uas muaj ntau zaus dua li ntawm lub vijtsam TV.
Lwm Cov Kev Siv rau LCD
LCDs tau dhau los ua ib hom kev siv tshuab ntau xyoo. LCDs tshwm nyob rau hauv feem ntau cov duab thav duab. Lub vijtsam sab hauv ntawm sab nrauv thiab qhia txog cov duab digital. LCD tshuab tseem tshwm sim hauv cov vijtsam loj saib TV, cov ntxaij laptop, thiab cov ntxaij smartphone.