Cov neeg feem coob paub txog qhov tseeb tias Liquid Crystal Displays (LCDs) tuaj yeem muaj ntau yam kev daws teeb meem thiab ntau thiab tsawg, tuaj yeem ua matte lossis glossy, thiab nta xws li 120Hz refresh npaum li cas thiab kev txhawb nqa 3D. Qhov ntau ntawm cov saib thiab kev hloov pauv hauv cov lus qhia tshwj xeeb tuaj yeem yog qhov nyuaj heev, thiab dab tsi ntxiv, koj tsis tuaj yeem ntseeg tus lej ib txwm. Ib qho ntawm qhov tseem ceeb tshaj plaws ntawm cov kua siv lead ua kua, txiav txim siab lawv cov kev ua tau zoo thiab cov dej num uas lawv yuav ua tau zoo tshaj plaws, yog hom vaj huam sib luag. Txawm hais tias muaj ntau ntau yam, txhua cov ntxaij vab tshaus niaj hnub feem ntau poob rau hauv ib qho ntawm peb pawg, txhua tus muaj cov yam ntxwv sib txawv.
Lub hauv paus ntsiab lus ntawm cov kua siv lead ua kua
Lub vijtsam muaj ob txheej ntawm cov khoom siv polarized nrog ib txheej LCD ntawm lawv. Thaum twgnyob rau hauv cov kua siv lead ua kua, lub zog yog muab rau cov txheej no, ib qho hluav taws xob tam sim no ua rau cov pob zeb ua kom sib haum kom lub teeb yuav (lossis tsis tuaj yeem) dhau los ntawm lawv. Tau kov yeej lub frontal polarized vaj huam sib luag, lub teeb ntsib lub lim nyob rau hauv nws txoj kev, uas hla tsuas yog nws liab, ntsuab los yog xiav tivthaiv. Ib pawg ntawm peb cov xim no tsim ib pixel ntawm qhov screen. Nrog xaiv teeb pom kev zoo, koj tuaj yeem tsim ntau yam ntxoov ntxoo.
Cov khoom siv ntawm cov kua siv lead ua kua thiab cov ntshav plasma yog qhov sib txawv. Nyob rau hauv rooj plaub tom kawg, es tsis txhob illumination thiab ib txheej ntawm lim, cov duab yog tsim los ntawm ionized gas (plasma), uas ci ntsa iab thaum ib tug hluav taws xob tam sim no hla nws.
TN tso tawm
Tau ntau xyoo, TN vaj huam sib luag saib tau muaj ntau tshaj plaws ntawm kev ua lag luam. Cov neeg tsim khoom ib txwm sim sib txuas lus siv "lwm" hom kua siv lead ua kua hauv lawv cov specifications. Yog hais tias nws tsis tau teev, ces nws yog feem ntau TN. Cov yam ntxwv ntawm cov thev naus laus zis no suav nrog tus nqi tsim khoom qis thiab qib siab ntawm kev ua haujlwm. Pixels hloov lub xeev sai, tso cai rau cov duab txav tau yooj yim dua. Qee qhov Twisted Nematic cov lus tau nce ob npaug ntawm qhov refresh tus nqi (120Hz hloov 60Hz), tso cai rau lawv siv "active 3D shutter" technologies thiab tso saib ob zaug ntau dua cov ntaub ntawv rau kev ua si zoo dua. Nyob rau hauv cov qauv tshiabcov duab refresh tus nqi tau nce mus rau 144 Hz, tab sis nws yog tsim tshwj xeeb rau 2D, tsis yog 3D.
TN vaj huam sib luag teeb meem
Txawm hais tias txhua yam tau txhim kho ntau xyoo, daim duab zoo feem ntau suav tias yog qhov tsis muaj zog ntawm TN technology. Tus saib zoo ntawm hom no muaj peev xwm xa cov duab ntse thiab ci nrog qhov sib piv zoo sib xws, feem ntau 1000: 1 nrog "dynamic contrast" muab tua.
Qhov teeb meem tseem ceeb ntawm hom kua siv lead ua kua siv thev naus laus zis no yog qhov tsis tshua pom cov kaum sab xis. Feem ntau cov txiaj ntsig yog 170 ° kab rov tav thiab 160 ° ntsug, uas tsuas yog qis dua li lwm cov vaj huam sib luag thev naus laus zis. Tseeb tiag, muaj qhov pom kev hloov xim thiab txawm tias "inversion" thaum saib ntawm lub vijtsam ntawm sab, sab saum toj lossis hauv qab.
Vim tias cov vaj huam sib luag no zoo li loj heev (txog 28 ), qhov pom cov kaum sab xis tsis tshua muaj cuam tshuam rau kev ua tau zoo, txawm tias zaum ncaj qha rau pem hauv ntej ntawm cov zaub. Hauv qhov no, qhov pom cov kaum sab xis ntawm qhov nruab nrab ntawm qhov screen mus rau thaj chaw peripheral yuav nce. Koj tuaj yeem pom tias tib qhov ntxoov ntxoo tau nthuav tawm txawv me ntsis nyob ntawm nws txoj hauj lwm ntawm lub vaj huam sib luag - nws pom tau tias tsaus dua nyob rau sab saum toj thiab sib dua hauv qab. Xim fidelity thiab saturation raug kev txom nyem los ntawm qhov tshwm sim, ua rau cov khoom siv no yog ib qho kev xaiv tsis zoo rau kev ua haujlwm uas yuav tsum muaj xim fidelity siab, xws li kev tsim thiab kev yees duab. Ib qho piv txwv yog ASUS saibPG278Q, uas yog qhov zoo sib xws hauv qhov tuaj yeem pom ntawm lub vijtsam los ntawm lub rooj ib txwm muaj.
VA panels
Thaum lub LCD sim tso saib dub, cov ntxaij lim dej tau ntxoov ntxoo kom lub teeb me me li sai tau los ntawm lub teeb rov qab. Feem ntau cov LCD saib ua qhov no zoo heev, tab sis lub lim tsis zoo tag nrho, yog li qhov tob dub yuav tsis tob npaum li qhov xav tau. Lub zog meej ntawm VA panels yog lawv qhov ua tau zoo ntawm kev thaiv lub teeb pom kev thaum nws tsis xav tau. Qhov no ua rau cov xim dub tob dua thiab qhov sib piv ntau dua, los ntawm 2000: 1 txog 5000: 1 nrog "dynamic contrast" neeg tsis taus. Qhov no yog ob peb zaug ntau dua li lwm cov kua siv lead ua kua. VA panels kuj tsis tshua muaj tshwm sim los ntshav lossis hawb pob ntawm cov npoo, ua rau lawv zoo rau cov yeeb yaj kiab buffs thiab txaus siab siv rau kev ua haujlwm dav dav.
Image quality
Lwm qhov txiaj ntsig tseem ceeb ntawm VA LCDs yog kev txhim kho pom cov ces kaum thiab xim luam tawm piv rau TN. Xim hloov pauv ntawm qhov screen tsis tshua muaj suab, thaum tints tuaj yeem tau txais nrog qhov tseeb dua. Hauv qhov no, lawv yog cov neeg sib tw zoo tshaj plaws rau cov haujlwm tseem ceeb ntawm cov xim, tab sis lawv tsis muaj zog hauv cheeb tsam no li IPS lossis PLS technologies. Thaum muab piv ib lub xim nyob hauv nruab nrab ntawm qhov screen nrog tib lub xim ntawm ntug lossis hauv qab,Ntawm lub kaum sab xis saib ib txwm, feem ntau yog qhov txo qis hauv qhov saturation. Tsis tas li ntawd, kev hloov pauv ntawm gamma yog qhov pom tau, uas feem ntau hais hauv cov suab nrov grey, tab sis tuaj yeem tshwm sim rau lwm cov xim. Hauv qhov no, qhov ntxoov ntxoo zoo li sib dua lossis tsaus dua txawm tias lub taub hau me ntsis.
Qhov tsis zoo ntawm VA qhia
Kev lig kev cai, kev hloov pauv gamma tsis yog qhov teeb meem loj ntawm VA panels vim lawv feem ntau pheej yig thiab muaj nyob rau hauv ntau yam zoo los ntawm cov tuam txhab xws li Philips, BenQ, Iiyama thiab Samsung. Qhov tsis zoo tam sim no ntawm hom kua siv lead ua kua zaub yog cov tshuaj tiv thaiv qeeb qeeb. Pixels hloov ntawm ib lub xeev mus rau lwm qhov qeeb qeeb, uas ua rau pom qhov muag plooj ntau dua thaum lub suab nrawm. Qee qhov xwm txheej hnyav, tej yam yuav zoo li qhov muag plooj uas lawv tawm ntawm txoj kev pa luam yeeb (zoo li BenQ EW2430).
Vim VA technology
Niaj hnub nimno hom VA vaj huam sib luag siv rau hauv PC saib suav nrog MVA (multi-domain vertical alignment), AMVA (kho kom zoo MVA), lossis AMVA + (AMVA nrog cov kaum pom dav me ntsis). AMVA (+) vaj huam sib luag qauv feem ntau siv cov pixel overdrive kom lawv tsis txhob raug kev txom nyem los ntawm qhov "zoo li pa luam yeeb" txoj kev. Lawv tau sib npaug nrog cov qauv IPS niaj hnub hais txog qhov nrawm ntawm qee qhov kev hloov pauv pixel. Lwm qhov kev hloov pauv, feem ntau los ntawm lub teeb rau xim tsaus, tseem qeeb. Ib qho piv txwvtej zaum yuav ua hauj lwm raws li Samsung S34E790C, uas feem ntau ua tau zoo dua li nws cov IPS counterpart, Dell U3415W, thaum nws los txog teb.
LCD chaw tsim khoom AU Optronics (AUO) tau tsim 35-nti UltraWide VA vaj huam sib luag nrog 144Hz refresh npaum li cas. Nws yog siv hauv cov khoom siv xws li BenQ XR3501 thiab Acer Z35. Txawm hais tias qhov no siab refresh npaum li cas, qee qhov kev hloov pauv pixels tseem ceeb heev. Ob lub AUO thiab Samsung ua lwm yam VA vaj huam sib luag nrog LCD refresh tus nqi ntau tshaj 100Hz. Sharp muaj ob peb lub siab MVA matrices siv rau ntau tus qauv (xws li FG2421) uas txhawb 120Hz. Txawm li cas los xij, ob npaug ntawm tus nqi refresh yuav nrog kev txhim kho hauv cov duab zoo yog tias cov pixels muab qhov peev xwm no. Txhawm rau pab kov yeej cov kev txwv no, Cov neeg saib xyuas ntse siv strobe backlighting ua ke nrog ob zaug tus ncej tus nqi hu ua Turbo240, uas zoo heev zais pixel tus cwj pwm thaum hloov pauv thiab txo qhov muag pom qhov muag plooj.
IPS, PLS thiab AHVA panels
Thaum nws los txog rau qhov kawg tshwm sim, cov thev naus laus zis no tseem ceeb heev. Lawv qhov sib txawv tseem ceeb yog tias IPS tau tsim los ntawm LG Display, PLS los ntawm Samsung thiab AHVA los ntawm AUO. Qee zaum lawv tsuas yog hu ua IPS-type panels. Qhov zoo tshaj plaws kev lag luam yog lawv superiorxim raug, ruaj khov thiab dav saib lub kaum sab xis piv rau lwm cov kua siv lead ua yees. Txhua lub xim yog tso tawm kom raug tsis hais nws txoj hauj lwm ntawm qhov screen.
IPS qhia txawv ntawm TN thiab VA nyob rau hauv uas lawv cov crystal molecules txav mus rau tib lub vaj huam sib luag, tsis yog nyob rau ntawm nws. Qhov no txo qis qhov pom ntawm lub teeb pom los ntawm lub sensor, ua rau muaj kev saib xyuas zoo dua.
Advanced IPS thev naus laus zis
Qee qhov kim dua IPS thiab PLS qauv mus ntxiv los ntawm kev muab kev txhawb nqa rau cov xim txuas ntxiv, yog li ua kom muaj peev xwm ntau ntawm cov xim luam tawm thiab xim qhov tob, txhim kho cov duab fidelity. Qhov no ua rau IPS thiab PLS panels cov neeg sib tw zoo rau cov haujlwm ua haujlwm tseem ceeb. Tsis tas li ntawd, IPS loj saib muaj kev daws teeb meem siab dua li feem ntau TN thiab VA cov neeg sib tw, txawm tias muaj ntau yam kev daws teeb meem niaj hnub no rau txhua hom vaj huam sib luag. Kev xaiv ntawm pixel suav, tus nqi qis dua, thiab kev tsim cov xim zoo nkauj tiag tiag txuas ntxiv qhov kev thov ntawm hom zaub no nyob deb dhau ntawm daim ntawv thov duab, suav nrog kev ua si thiab tsuas yog desktop ua haujlwm.
Kev teb
Cov chaw tsim khoom xws li Dell, LG, AOC thiab ASUS muab ntau yam zoo ntawm IPS saib. Qhov no txhais tau hais tias cov kws yees duab, cov neeg tsim qauv, lossis cov neeg siv niaj hnub ntawm kev siv nyiaj siv tau zoo dua ntawm cov cuab yeej no. Ntau yam niaj hnub IPS thiab PLS saibKuj tseem muaj ntau qhov kev teb ntau dua li lawv cov VA counterparts thiab txawm tias cov yeeb yaj kiab TN, txawm hais tias qhov no feem ntau yog qhov tsis zoo ntawm IPS panels. Vim tias qhov kev txhim kho zoo kawg li no, qee cov qauv tam sim no tab tom nrhiav kev pom zoo nrog gamers uas tuaj yeem txaus siab rau ntau cov xim zoo nkauj yam tsis muaj kev puas tsuaj los ntawm cov nyhuv tsis zoo.
IPS vaj huam sib luag refresh npaum li cas
Nyob rau hauv qee cov qauv niaj hnub ntawm hom no, lub sijhawm teb pixel tau ua tiav mus txog qib uas cov lus tsa suab tsis muaj qhov muag plooj ntau dua li ntawm txhua tus saib nrog lub zog tshiab ntawm 60 Hz. Cov lus teb rau 120Hz tsis yog qhov zoo tshaj plaws, txawm hais tias kev ua tau zoo tsis muaj dab tsi cuam tshuam nrog cov duab refresh npaum li cas. Txawm li cas los xij, cov tuam txhab tsim khoom tau ua tiav txaus hauv cheeb tsam no, uas tso cai rau AUO thiab LG tso tawm IPS-hom vaj huam sib luag nrog cov nqi tshiab dua li ntawm 144 Hz.
IPS zaub sib piv
Lwm yam tsis muaj zog ntawm hom vaj huam sib luag no yog qhov sib piv. Kev nce qib tseem ceeb kuj tseem ceeb ntawm no, thiab IPS-hom qhia hauv qhov ntsuas no tau ntes nrog lawv cov neeg sib tw ua siv TN thev naus laus zis. Lawv qhov sib piv piv tau nce mus txog tus nqi ntawm 1000: 1 (tsis muaj qhov sib txawv dynamic). Txawm li cas los xij, qee cov neeg siv tau pom ib qho teeb meem cuam tshuam nrog hom kua siv lead ua kua zaub tsim - qhov glare lossis "glow" ntawm cov ntsiab lus tsaus nti tshwm sim los ntawm tus cwj pwm ntawm lub teeb hauv cov vaj huam sib luag no. Qhov no feem ntau yuav pom tseeb tshaj plaws thaum saib los ntawm lub kaum sab xis loj (piv txwv li,Samsung S27A850D). Tsis tas li ntawd, ci ntsa iab yuav tshwm sim nyob rau hauv cov ces kaum ntawm cov qauv tshaj 21.5 "thaum zaum ncaj qha rau pem hauv ntej ntawm lub vijtsam ntawm qhov deb.
Yog li, IPS saib yog cov xim zoo tshaj plaws LCDs nrog cov xim zoo nkauj, tab sis nws ib txwm tsim nyog saib ntau dua li cov lej xwb.
Zoo kawg
Niaj hnub nimno LCD saib siv 3 pawg loj ntawm cov vaj huam sib luag: TN, VA thiab IPS. Tam sim no, TN tshuab yog qhov nrov tshaj plaws, muab cov duab zoo nkauj thiab ua haujlwm siab ntawm tus nqi pheej yig. VA txia kev ua haujlwm thiab feem ntau yog hom vaj huam sib luag qeeb tshaj plaws, tab sis muab qhov zoo sib xws thiab txhim kho xim luam tawm dua TN thev naus laus zis. IPS, PLS thiab AHVA coj txoj hauv kev hauv cov duab zoo, muab cov xim zoo ib yam thiab muaj tseeb tshaj plaws thaum xa cov duab pom zoo, kev ua haujlwm zoo thiab qhov sib txawv. Tus neeg siv tuaj yeem ntsuas qhov zoo thiab qhov tsis zoo ntawm cov saib los ntawm kev sib piv, thiab nkag siab txog cov yam ntxwv ntawm LCDs yog qhov pib zoo.
