Yuav Ua Li Cas Muab Cov Nyiaj Ntsuam Xyuas Hauv Lub Luam Le Caij Raws Li Cov Kev Qhia Los Nrhiav Qhov Zoo Tshaj Plaws
Nrog kev txhim kho kev tsim kho, LCD vaj huam sib luag rau qhov ntau ntxiv mus kom tau txhua yam thaum lub sij hawm tus nqi xa rov qab. Cov neeg muag khoom thiab cov khw muab pov tseg ib ncig ntawm ntau tus lej thiab cov nqe lus los piav txog lawv cov khoom. Li ntawd, li cas ib tug paub tias tag nrho cov no txhais li cas? Qhov tsab xov xwm zoo li no yuav qhia txog cov ntsiab lus tseem ceeb kom tau ib qho kev txiav txim siab thaum koj yuav lub LCD saib rau koj lub desktop los yog pom ib qho laptop lossis lwm yam khoom sab nraud.
Npo Loj
Qhov luaj li cas yog qhov ntsuas ntawm qhov cheeb tsam tso ntawm qhov kev tshuaj ntsuam ntawm sab qis ntawm sab qaum teb mus rau sab nraud kaum ntawm daim duab. LCD feem ntau muab lawv cov kev ntsuam xyuas tab sis tam sim no lawv muab cov zauv los sib npaug. Nco ntsoov nrhiav qhov tseeb qhov ntev raws li raug xa tawm raws li qhov kev tshuaj ntsuam thaum twg thaum twg saib ntawm tus LCD. Piv txwv li, ib daim duab nrog 23.6-inch qhov screen loj tuaj yeem raug muag tau raws li lub 23-inch lossis 24-nti npo . Qhov loj ntawm lub npo cov zaub mov kawg yuav txiav txim siab saib qhov luaj li cas ntawm lub monitor ces qhov no yog ib qho ntawm cov thawj yam uas xav txog. Tom qab tag nrho, ib qho 30-nti monitor yuav hla feem ntau lub rooj zaum thaum lub 17-nti ib yog zaum tsis zoo dua muaj lub laptop.
Nam piv
Qhov piv piv yog hais txog cov xov tooj ntawm cov kab rov tav pixels rau sab pixels hauv ib qho khoom. Hauv yav dhau los, cov saib xyuas siv tib qho 4: 3 piv piv li TV. Feem ntau cov saib xyuas tshiab siv lub sijhawm 16:10 los sis 16: 9 widescreen. Qhov 16: 9 yog qhov feem ntau siv rau HDTVs thiab yog tam sim no qhov ntau tshaj. Muaj txawm tias ob peb lub dav dav los yog 21: 9 piv piv rau lub lag luam tab sis lawv tsis heev.
Haum Txiav Txim Siab
Txhua cov ntxaij vab tshaus uas LCD tau ua tau tsuas yog tso tawm tau tib qho kev daws teeb meem uas raug xa mus ua ib qho kev daws teeb meem. Qhov no yog lub cev ntawm cov kab rov tav thiab ntsug pixels uas ua tus lej nruab nrab ntawm cov duab. Teem ib lub computer saib kom qis qis tshaj qhov no yuav ua rau muaj kev sib nraus. Qhov kev sib txoos no tau sim ua ntau yam pixels los ua ib qho duab los ua qhov kev ntsuas kom pom tias nws yog nyob ntawm qhov kev daws teeb meem, tiam sis nws tuaj yeem ua rau cov duab uas tshwm sim me ntsis.
Ntawm no yog qee yam ntawm cov haiv neeg uas tau pom nyob hauv LCD ntsuas:
- 21 "(Widescreen): 1920x1080 (WUXGA)
- 22 "(Widescreen): 1920x1080 (WUXGA)
- 24 "(Widescreen): 1920x1080 (WUXGA)
- 27 "(Widescreen): 2560 x 1440 (WQHD)
- 30 "(Widescreen): 2560 x 1600 (WQXGA)
- 30+ "(Widescreen): 3840 x 2160 los yog 4096x2160 ( UHD los yog 4K )
Cov no yog cov neeg tsis sib haum xeeb nkaus xwb. Muaj cov me me 24-nti uas pom qhov 4K cov kev cai thiab muaj ntau yam 27-nti cov duab uas muaj cov 1080p qauv. Tsuas paub hais tias ntau dua kev sib txawv ntawm cov lus me me tuaj yeem ua rau cov ntawv nyeem tsis yooj yim rau kev nyeem ntawv ntawm qhov pom kev nrug. Qhov no yog hu ua pixel ntom thiab feem ntau sau ua pixels ib nti lossis ppi. Qhov ntau dua PPI, qhov me me pixels thiab qhov nyuaj nws yuav tsum tau nyeem cov ntawv rau ntawm qhov screen tsis muaj scaling. Ntawm chav kawm, ib qho loj screen nrog ib tug tsawg pixel ntom muaj qhov teeb meem rov qab ntawm loj blocky dluab thiab cov ntawv nyeem.
Vaj Huam Sib Luag Coatings
Qhov no yog ib yam uas neeg feem coob tsis xav txog feem ntau vim hais tias lub khw yuav tsis muab rau lawv xaiv. Cov coatings ntawm cov khoom vaj huam sib luag poob rau ob pawg: glossy los yog anti-glare (matte). Feem ntau ntawm cov neeg saib xyuas rau cov neeg siv siv lub ci lo xim. Qhov no yog ua li cas vim hais tias nws nyhav qhia cov xim zoo dua hauv cov teeb meem uas tsis tshua pom kev zoo. Tus downside yog tias thaum siv nyob rau hauv kaj kaj nws generates glare thiab reflections. Koj tuaj yeem qhia feem ntau xees nrog glossy coatings los ntawm kev siv iav sab nrauv ntawm lub monitor lossis los ntawm cov ntsiab lus xws li siv lead ua los piav cov lim. Cov kev taw qhia txog kev ua lag luam yuav tsum tuaj nrog cov tshuaj tiv thaiv kev tiv thaiv. Cov no muaj ib zaj yeeb yaj kiab tshaj li lub vaj huam sib luag hauv LCD uas pab kom txo cov kev xav. Nws yuav maj mam hais cov xim tab sis lawv zoo dua nyob rau hauv cov teeb pom kev zoo xws li cov chaw ua hauj lwm nrog lub taub hau siab zoo nkauj.
Ib txoj hauv kev zoo uas qhia tias hom txheej twg yuav ua hauj lwm zoo tshaj rau koj lub LCD saib yog ua qhov kev ntsuam xyuas me me uas cov duab yuav siv. Nqa ib daig me me xws li duab thaij thiab muab tso rau qhov chaw uas lub monitor yuav ua thiab teeb pom kev zoo li cas nws yuav ua thaum siv lub computer. Yog hais tias koj pom ntau reflections los yog glare tawm ntawm lub khob, nws yog qhov zoo tshaj plaws kom tau txais ib qho kev thaiv qhov thaiv qhov screen. Yog hais tias koj tsis muaj lub reflections thiab glare, ces ib glossy screen yuav ua hauj lwm zoo.
Qhov Siab Tshaj Plaws
Muaj kev sib txig sib luag yog ib qho lag luam loj los ntawm cov khw thiab ib qho uas tsis yooj yim rau cov neeg tau txais kev pab. Yeej tseem ceeb, qhov no yog ntsuas ntawm qhov sib txawv ntawm qhov ci ntsa iab los ntawm qhov tsaus ntuj tshaj plaws rau qhov chaw ntawm qhov screen. Qhov teeb meem yog tias qhov kev ntsuas no yuav txawv tag nrho ntawm qhov kev tshuaj ntsuam. Qhov no yog vim qhov txawv me ntsis hauv lub teeb pom kev tom qab lub vaj huam sib luag. Cov kws kho mob yuav siv qhov sib piv ntau tshaj plaws uas lawv pom ntawm ib qho screen, yog li ntawd nws yog qhov kev dag ntxias. Yeej, qhov sib piv ntau dua yuav txhais tau hais tias qhov kev ntsuam xyuas yuav muaj qhov tob dub thiab muaj zog dua. Nrhiav qhov sib txawv ntawm qhov sib piv uas muaj ib ncig 1000: 1 es tsis yog cov xov tooj uas muaj ntau feem ntau ntawm cov neeg coob coob.
Xim Gamut
Txhua lub vaj huam sib luag hauv LCD yuav sib txawv me ntsis hauv zoo li cas lawv tuaj yeem tsim muaj xim. Thaum ib lub LCD siv rau kev paub tab uas yuav tsum tau muaj qib siab ntawm cov xim tseeb, nws yog qhov tseem ceeb kom paub seb qhov twg yog qhov kev sib txawv ntawm lub vaj huam sib luag. Qhov no yog qhov kev piav qhia uas cia koj paub ntau npaum li cas ntawm cov xim qhov screen tau tso tawm. Qhov loj qhov feem pua ntawm cov kev ua si, qhov ntau dua ntawm cov xim tus saib yuav tuaj yeem tso saib. Nws yog me ntsis thiab zoo tshaj plaws nyob rau hauv kuv tsab xov xwm ntawm Xim Gamuts . Feem ntau cov neeg siv tau yooj yim hauv LCDs ntawm 70 mus rau 80 feem pua ntawm NTSC.
Lub Sij Hawm
Yuav kom ua tiav cov xim ntawm ib lub pixel nyob hauv ib lub vaj huam sib luag hauv LCD, tam sim no yog siv rau cov ywj pheej ntawm qhov pixel hloov lub xeev ntawm cov khoom cua. Cov sij hawm teb xa mus rau lub sij hawm uas nws siv rau cov iav ci hauv lub vaj huam sib luag kom khiav tawm hauv xeev mus. Lub sijhawm teb nce siab yog hais txog lub sijhawm uas nws yuav siv rau cov koos poom thiab lub sijhawm poob qeeb yog lub sijhawm uas nws yuav siv rau cov kwj kom tawm hauv lub xeev mus. Lub sij hawm nce tau zoo heev ntawm LCDs, tab sis lub sijhawm poob yuav nyhav qeeb qeeb. Qhov no nyhav ua rau me ntsis cov nyhuv me ntsis ntawm cov duab ci ntsa iab ntawm cov keeb kwm dub. Nws yog feem ntau hu ua ghosting. Qhov tsawg dua lub sij hawm teb, tsawg dua ntawm cov nyhuv qhov muag ploj yuav muaj nyob rau ntawm qhov screen. Feem ntau lub sij hawm teb tam sim no hais txog qhov txho txho xim txhawm rau pom tias muaj pes tsawg tus tshaj li qhov txwm tas nrho rau lub sij hawm xeev cov lus teb.
Saib Angles
LCD's tsim lawv cov duab los ntawm kev muaj ib zaj duab xis uas thaum twg tam sim no sau los ntawm cov pixel, nws hloov dhau qhov ntxoov ntxoo ntawm cov xim. Qhov teeb meem nrog LCD zaj duab xis yog tias cov xim no tsuas yog ua ncaj ncees thaum sawv cev thaum ncaj ncaj. Qhov deb ntxiv ntawm ib lub kaum sab nraud saib sab nraud, qhov xim yuav zoo li ntxuav tawm. Cov kev ntsuas LCD feem ntau yog rau lawv qhov pom pom lub voj voog rau ob leeg kab rov tav thiab ntsug. Qhov no yog muab tso rau hauv cov degrees thiab yog lub kos ntawm ib lub voj voog uas nws qhov chaw nyob ntawm lub voj voog. Lub theoretical viewing angle ntawm 180 degrees yuav txhais tau tias nws yog pom ntawm txhua lub kaum sab xis ntawm lub vijtsam. Lub kaum ntse ntse saib dua yog nyiam dua lub kaum sab xis tshwj tsis yog tias koj xav tau ib co kev ruaj ntseg nrog koj npo. Nco ntsoov tias cov ces kaum pom tseem yuav tsis txhais kom tag nrho cov duab zoo tiam sis ib qho yog saib.
Connectors
Feem ntau cov koob yees duab siv digital connectors tam sim no, tab sis qee cov tseem feature ib qho analog. Lub tshuab analog yog VGA lossis DSUB-15. HDMI yog tam sim no tus tshaj cov connector ua tsaug rau nws cov me nyuam nyob rau hauv HDTVs. DVI yog yav dhau los lub tshuab computer nrov tshaj plaws tiam sis tab tom pib poob los ntawm ntau lub desktops thiab yuav luag tsis pom ntawm laptops. DisplayPort thiab nws cov mini version yog tam sim no ua ntau nrov rau high kawg graphics cim. Thunderbolt yog Apple thiab Intel tus tshiab connector uas sib thooj nrog cov DisplayPort qauv, tiam sis kuj tseem nqa tau lwm cov ntaub ntawv thiab. Xyuas saib hom txuas ntawm koj daim video siv tau ua ntej yuav muas tus saib xyuas kom koj tau txais ib qho yooj yim saib. Koj tseem tuaj yeem siv tau lub monitor nrog ib qho chaw sib txawv dua li koj daim video nrog siv cov adapters, tiam sis lawv tuaj yeem tau txais kim kim. Qee tus saib xyuas kuj tuaj yeem nrog nrog tsev cov yeeb yaj kiab sib txuas nrog rau khoom, Compass thiab S-video, tiam sis qhov no dua yog qhov tsis tshua muaj tshwm sim vim HDMI tus ubiquity.
Cov Nyiaj Ntsuab Tshiab Thiab Cov Lus 3D
Tus neeg siv khoom siv hluav taws xob tau sim sim thawb 3D HDTV lub siab hnyav heev, tab sis cov neeg siv yuav tsis ntes tiag tiag. Yog ib lub lag luam me me rau 3D lus qhia rau cov computers ua rau PC gamers uas xav kom muaj lub siab me ntsis ntxiv. Thawj qhov yuav tsum tau muaj rau cov zaub 3D yog kom muaj vaj huam sib luag 120Hz. Qhov no yog ob chav lub zog tshiab ntawm ib qho khoom siv los mus muab cov duab los hloov rau txhua lub qhov muag kom simulate 3D. Ntxiv nrog rau qhov no, feem ntau cov lus qhia 3D yuav tsum tsim los ua haujlwm nrog NVIDIA lub 3D Vision los yog AMD tus HD3D. Cov no yog cov kev siv ntau yam ntawm kev siv lub qhov muag sib txuas nrog ib lub transmitter IR. Qee qhov kev soj ntsuam yuav muaj cov tshuab hloov xov xwm ua rau hauv cov yeeb yaj kiab li tsuas yog tsom iav qhov muag xwb thaum lwm tus yuav xav tau cov khoom siv cais 3D kom tau rau qhov kev txiav txim siab rau cov lus qhia 3D ua haujlwm hauv ib hom 3D.
Ntxiv nrog rau qhov no, muaj tam sim no coj tus nqi zog tshiab. Cov kev kho kom haum tshiab ntawm cov zaub kom zoo dua qhov phim siab uas daim video card xa mus rau cov duab. Qhov teeb meem yog tias muaj ob lub ntsiab lus tsis sib xws ntawm txoj cai tam sim no. G-Sync yog lub NVIDIA platform rau kev siv nrog cov graphics phaib. Freesync yog cov txuj ci AMD rau lawv daim ntawv teev lus. Yog tias koj xav tias zoo li ib cov zaub, koj xav twv yuav raug hu kom koj tau txais txoj cai tshuab uas yuav ua haujlwm nrog koj daim video.
Touchscreens
Touchscreen monitors yog ib yam khoom tshiab haum rau kev lag luam ua lag luam. Thaum touchscreens yog nrov heev rau laptops ua tsaug rau qhov tseeb versions ntawm qhov rais, lawv tseem tsis tshua muaj nyob rau hauv stand-alone monitors. Thawj yog vim li cas rau qhov no tau ua nrog rau tus nqi ntawm kev siv txoj kev kov hauv lub vijtsam loj. Nws muaj ob hom kev sib tshuam hauv kev siv: kev siv capacitive thiab kho qhov muag. Capacitive yog hom uas siv ntau tshaj plaws nyob rau hauv cov ntsiav tshuaj thiab laptops vim tias nws yog qhov ceev thiab meej. Qhov teeb meem yog hais tias nws yog kim heev los tsim lub capacitive nto kom npog cov zaub loj. Yog li ntawd, feem ntau cov neeg saib xyuas kev siv cov twj siv twj paj nruag. Qhov no siv ib lub teeb ntom teeb uas muaj nyob hauv pem hauv ntej qhov screen rau sab hauv lub vijtsam duab. Lawv ua hauj lwm thiab tuaj yeem pab txhawb txog li kaum point multitouch tiam sis lawv yuav qeeb qeeb qeeb.
Tag nrho cov lus qhia ntawm stand-alone touchscreen yuav tau siv qee lub hnab USB txuas mus rau hauv lub computer kom xa cov ntaub ntawv tawm tswv yim rau qhov touchscreen.
Sab
Ntau tus neeg tsis xav txog txoj kev muag khoom thaum nriav cov khoom tab sis nws tuaj yeem ua qhov txawv loj. Nws muaj xws li plaub hom kev sib txawv: qhov siab, qaij, qiv thiab piv taw. Muaj ntau tus nqi pheej yig dua tsuas yog siv cov teeb tsa hloov. Qhov siab, qaij, thiab qiv yog feem ntau cov hom kev kho tshiab tseem ceeb rau kev yoojyim tshaj thaum siv lub monitor nyob rau hauv feem ntau ergonomic fashion.