Kev yuav ib lub TV tshiab yog ib qho teeb meem loj, yog li ntawd nws yog ib qho tsim nyog los kho nws nrog tag nrho lub luag hauj lwm thiab nrog kev paub. Cov kws kho mob pom zoo saib lub TV kom tawg pixels nrog tus muag khoom-tus neeg pab tswv yim yam tsis muaj kev poob qab.
Dab tsi yog pixel hauv TV?
Daim duab ntawm lub TV receiver yog ib qho loj heev ntawm cov qis tshaj plaws hauv lub hlwb. Qhov no yog qhov pixels. Qhov zoo ntawm daim duab nyob ntawm seb muaj pes tsawg tus pixels: qhov ntau ntawm lawv, lub dlaim phaj daim duab. Txhua pixel ntawm ib lub TV xim, tig mus, muaj cov duab tso tawm: liab, xiav thiab ntsuab.
Ib lub xovtooj uas tsis tuaj yeem ua rau lub teebmeem hloov pauv yog qhov muaj kev txhawj xeeb, uas yog hu ua "broken broken pixel". Nws pom nws tus kheej hauv daim ntawv ntawm cov ntsiab lus ntawm tib xim, uas spoils daim duab tso tawm ntawm lub vijtsam. Muaj cov hom pixel nram qab no:
- dawb pixel - tas li kub taw tes;
- dub pixel - tsis ua haujlwm ntawm tes;
- liab, ntsuab los yog xiav pixels - subpixel defect;
- tib lub sij hawm muaj ob los yog peb lub sij hawm teem meem.
Yuav ua li cas kos lub pixels hauv TV?
Kev kuaj lub pixels ntawm TV yog qhov nyuaj tshaj plaws nyob rau hauv kev tshuaj ntsuam cov cuab yeej ua ntej koj muas. Qhov yooj yim tshaj plaws ntawm kev txheeb xyuas qhov tseeb yog los tshuaj xyuas qhov kev tshuaj ntsuam thaum twg muaj xim tshwm rau nws. Yuav nrhiav cov dots dub, koj yuav tsum xa ib lub thawv dawb. Raws li, kom pom cov ntsiab lus dawb, ib daim teb dub yog thov. Txhim kho qhov tsis xws luag (cov ntsiab lus xim), qhov kev tshuaj ntsuam xim hloov pauv. Thaum nyob ze kev soj ntsuam, txawm tias nrog lub qhov muag liab qab, nws yog ib qho ua tau mus ntes cov tsis xws luag, tab sis nws yog qhov zoo uas yuav siv ib lub iav tsom kom ua qhov kev soj ntsuam kom tawg pixels zoo dua.
Nyob rau hauv niaj hnub qauv ntawm li muaj ib tug ua nyob rau hauv cov zaub mov muaj nuj nqi ntawm kev tshuaj ntsuam lub TV rau tawg pixels. Thaum nws muab rau, qhov screen rau qee lub sij hawm yog li qhia tas li uas muaj xim zoo li, uas ua rau nws pom tau tias yog teeb meem pixel. Yog tias zoo li tsis ua, tom qab ntawd lub khw tshwj xeeb muaj cov tshwj xeeb cov khoom hluav taws xob muab dub, dawb thiab dawb lias rau lub TV, thiab cov kev pab cuam sim. Piv txwv, Nokia Monitor Test ua rau nws pom tau tias yuav tawg pixels, moire (chaw teeb) thiab muaj lwm qhov tsis xws luag.
Pixel tawg hauv TV: qhov lav
Hmoov tsis, muab tes los sis pauv ib lub TV nrog pixel tawg yog feem ntau tsis tau. Qhov tseeb yog tias raws li tus txheej txheem thoob ntiaj teb no, nyob rau hauv kev siv cuab yeej ntawm txhua chav kawm, qhov siab tshaj plaws muaj pes tsawg tus pixels uas muaj qhov kho raws. Yog li, raws li cov kev cai, tsuas yog hauv thawj tus neeg kawm ntawv hauv chav kawm ntawv hauv TV uas tsis muaj cai pixel. Cov txheej txheem ntawm qib thib ob - thib plaub yuav raug pauv hloov yog tias qhov chaw pib ntawm kev pom zoo tshaj yog dhau lawm.
Kev kho ntawm tawg pixels nyob rau TV
Feem ntau, cov neeg siv tshuab tev naus laus zis, twb siv rau hauv qhov txheej txheem ntawm kev siv, nrhiav tau tias qhov phem pixel nyob rau hauv TV. Tsuas xav ceeb toom koj tias nws tsis tuaj yeem tshem cov ntsiab lus dub ntawm koj tus kheej. Tab sis cov pixel uas tau tawg pixels tuaj yeem muab tshem tawm ntawm lawv tus kheej. Muaj ob txoj hauv kev:
- Massaging cheeb tsam puas. Rau "zaws" lub paj rwb yog tsim.
Nws yog qhov tsim nyog yuav tau txiav txim xyuas qhov chaw ntawm qhov pixels tawg, tua lub TV thiab nias ntawm thaj chaw no ntev heev. Rov ua dua txheej txheem ob peb zaug. - Ruaj ntseg zaws. Kev kho yog siv cov kev pabcuam tshwjxeeb kom tshem tawm cov khauj khaum uas muaj nyob rau hauv Internet. Txoj kev thib ob muab ntau txoj hau kev rau "kho" qhov screen, dhau li ntawd, nws muaj kev ruaj ntseg dua rau lub cuab yeej. Cov neeg lag luam ntawm cov dej taws sib cav hais tias qhov ntxeev muaj peev xwm muab tshem tawm tau ntau lub kaum ntawm feeb ntawm qhov kev zov me nyuam.
Kuj tseem muaj lwm cov kev tsis zoo hauv TV.