Cov projectors tau hloov pauv ntau txij li thaum lawv tsoo lub khw muag khoom hauv tsev. Cov no tsis yog cov khoom siv kim kim uas tsis muaj kev saib xyuas kim dua, uas tsuas yog siv tau hauv qhov tsaus ntuj. Niaj hnub no, lub projector tso cai rau koj saib cov duab thiab cov yeeb yaj kiab, nws tuaj yeem hloov tau yooj yim rau TV lossis lub khoos phis tawj ntawm tus kheej. Thiab tus nqi ntawm cov qauv uas txhawb nqa Full HD daws teeb meem tau ntes nrog tus nqi ntawm 40-nti TV txais. Nws yog lub sijhawm los coj kom zoo dua ntawm cov thev naus laus zis no thiab dhau los ua tus tswv zoo siab ntawm qhov loj heev 300-nti hauv tsev ua yeeb yam screen, uas yog hais txog 7.62 meters.
Daim duab
Qhov tseem ceeb ntawm kev xaiv lub projector yog cov duab zoo. Tab sis yuav ua li cas qhov no yuav ua tau yog tias qhov kev ntsuam xyuas xav tau ntau ntawm ntau cov qauv ntawm cov cuab yeej kim tsis tuaj yeem ua tau vim tsis muaj chav tshuaj ntsuam?
Koj tuaj yeem ntsuas cov duab zoo ntawm cov projectors los ntawm cov hauv qab no:
- duab thev naus laus zis;
- matrix loj thiab daws teeb meem;
- contrast;
- brightness;
- focal length.
Ua ntej ntawm tag nrho, cov duab zoo nyob ntawmlos ntawm projection technology. Peb lub thev naus laus zis tam sim no siv: DLP, LCD thiab LCOS.
DLP
DLP (Digital Light Processing) siv cov array ntawm lub kaum sab xis hloov micromirrors uas coj lub teeb rau hauv tsom iav. Xim lub teeb ntawm lub teeb tshwm sim nyob rau hauv ntau txoj kev. Qee cov tuam ntxhab siv lub log nrawm nrawm nrawm. Nyob rau hauv rooj plaub no, lub qhov muag pom alternating ib leeg-xim dluab, uas tuaj yeem cuam tshuam rau qee tus neeg, thiab tseem tsim cov nyhuv zaj sawv uas cuam tshuam rau kev saib. Lwm tus siv peb arrays ntawm micromirrors rau txhua xim nyias (3DLP thev naus laus zis). Cov projectors siv 3DLP thev naus laus zis yog qhov zoo tshaj plaws, tab sis kuj yog cov projectors kim tshaj plaws.
NYIAJ LCD
LCD (Liquid Crystal Display) thev naus laus zis siv peb cov kua siv lead ua kua los tsim cov xim liab, ntsuab thiab xiav ntawm cov teeb liab video. Lub teeb flux ntawm lub teeb hlau halide, dhau los ntawm prism lossis ib ntu ntawm cov lim dej dichroic uas xa ib feem ntawm cov spectrum thiab cuam tshuam rau lwm tus, muab faib ua peb yam. Txhua tus yog qhia los ntawm nws tus kheej LCD matrix, uas, los ntawm kev hloov cov nqi ntawm lub teeb hla txhua pixel, tsim ib daim duab xim. Kev sib xyaw ua ke ntawm peb cov khoom ua kom muaj ntau qhov kev ua yeeb yam. Ntawm qhov tsis zoo ntawm cov thev naus laus zis no yog qhov tsis sib xws ntawm cov duab (vim qhov tseeb tias cov siv lead ua nyob rau hauv lub xeev kaw kis lub teeb, thiab bandwidth ntawm matrix tsis tshaj 7%).
LCOS
LCOS (Liquid Crystal on Silicon) yog raws li obyav dhau los. Tab sis lub teeb tsis dhau los ntawm cov kua siv lead ua kua matrix, tab sis yog pom los ntawm cov kua muaju ntawm silicone. Qhov no ua rau cov duab zoo tsis muaj qhov tsis zoo ntawm DLP thiab LCD thev naus laus zis. Tsis tas li ntawd, nws tuaj yeem ua kom lub pixel ceev thiab ua tiav cov duab siab. Tab sis tus nqi ntawm LCOS projectors yog qhov siab heev, uas tseem txwv lawv txoj kev siv rau xinesmas thiab cov chaw nthuav qhia loj.
LED
LED thev naus laus zis (Lub Teeb-Emitting Diode, lub teeb-emitting diode) siv ib qho ntawm cov thev naus laus zis saum toj no los tsim cov duab, nrog qhov sib txawv uas lub teeb ci ntawm no yog LED matrix. Qhov no tshem tawm qhov xav tau los hloov lub teeb thiab txo kev siv hluav taws xob. Lub warranty lub neej ntawm LED matrix yog 25,000 teev. Qhov tsis zoo yog qhov qis luminous flux, tsis tshaj 2000 lumens.
Lub laser projector yog nruab nrog ib pawg thawj xim laser diodes. Tsawg kim yog hybrid laser-LED projectors, uas ua ke ib lub xiav diode laser, ntsuab fluorescent caij, thiab liab LEDs kom ua tau siab brightness.
Permission
Kev daws teeb meem yog txiav txim los ntawm tus lej ntawm pixels. Rau cov duab zoo, cov kev txwv ntawm cov yees duab projector thiab qhov chaw yuav tsum sib phim. Koj tuaj yeem ua lub teeb liab nrog qhov kev daws teeb meem sib txawv, tab sis cov duab yuav raug cuam tshuam los ntawm compression algorithms.
Cov kev daws teeb meem nrov yog 1280 x 768 WXGA, 1280 x 720 HD,1920 x 1080 Full HD, 1920 x 1200 WUXGA.
Brightness
Luminous flux yog ntsuas hauv lumens. Projectors nrog lub ci ci ntawm 2000-3000 lumens yog siv hauv cov chav kawm thiab chav sib tham me me. Lub luminous flux ntawm 3000-4500 lumens yog haum rau cov rooj sib tham loj. Lub brightness ntawm daim duab nyob rau hauv cov ntaub ntawv no yog txaus thiaj li tsis mus darken lub chav. Ultra-ci projectors tshaj 4500 lumens yog siv nyob rau hauv concerts, nightclubs, churches, thiab lwm yam. Qhov pheej yig tshaj thiab me tshaj portable projectors nrog lub teeb tso zis ntau tshaj 2000 lumens yuav tsum tau tag nrho los yog ib nrab darkening ntawm chav tsev.
Kev sib tw
Qhov piv ntawm qhov siab tshaj plaws thiab qis tshaj qhov screen illumination yog hu ua projector qhov sib piv piv. Piv txwv li, qhov sib piv ntawm 10,000: 1 txhais tau hais tias dawb yog 10,000 lub sij hawm ci dua dub. Hauv chav tsaus nti, qhov sib piv yog theem los ntawm qhov chaw teeb pom kev thib peb thiab tsis zoo rau qhov tseem ceeb ntawm lub teeb flux ntawm lub projector.
Lens
Video projectors tuaj yeem nruab nrog lo ntsiab muag nrog lub peev xwm los ntawm manually lossis hloov pauv qhov ntev focal ntev. Qhov no yog qhov tsim nyog los hloov pauv cov duab yam tsis tas txav lub projector nws tus kheej.
Tsis tas li, lub lens yog tus cwj pwm los ntawm qhov sib piv ntawm qhov kev ncua deb ntawm qhov screen rau nws qhov loj. Projectors tuaj nyob rau hauv pov ntev (2-8: 1), txheem pov (1-2), thiab luv pov (tsawg dua 1).
YLED Projector Nta
- Kev siv sab hauv tsev yuav tsum dimming kom pom cov duab siab tshaj plaws thiab ci ntsa iab.
- Devices nrogluminous flux mus txog 300 lumens yog tsim rau lub vijtsam dav ntawm 0.2 m, thiab ntau tshaj 500 lumens - txog li 3 m.
- Suitable rau mobile home theatre. Tsis yog qhov tseeb hloov rau hlau halide projectors.
- Kev txav tau yooj yim yog ua tiav los ntawm kev muaj lub zog sab nraud, muaj peev xwm ntawm kev sib txuas wireless.
- Cov qauv uas muaj lub teeb ci siab muaj lub suab nrov, yog li lawv tsim nyog siv rau hauv qhov chaw pej xeem.
- Kev siv hluav taws xob tsawg tsawg.
LED projector: txheej txheem cej luam ntawm cov qauv nrov
Txhua hnub, cov qauv tshiab ntawm LED projectors tshwm sim hauv khw. Hauv qab no tsuas yog cov LED projectors, tshuaj xyuas ntawm qhov zoo. Yog li cia peb pib.
The ViewSonic PLED-W800 Mini LED Projector yog lub hnab ntim khoom loj uas tsim los rau kev nthuav qhia kev lag luam. Tab sis, raws li cov neeg tau txais kev pab, lub zog ntawm cov luminous flux tso cai rau nws siv hauv tsev.
California-raws li ViewSonic tau tshwj xeeb hauv cov cuab yeej ua haujlwm txij li xyoo 1980s. Ob peb xyoos dhau los, nws tau ua ib txoj kab tshiab ntawm mini LED projectors nrog PLED-W500. Cov qauv W200, W600 thiab W800 tam sim no nyob rau hauv ntau lawm.
Cov lej hauv lub npe qauv sib raug rau lub zog ntawm lub teeb flux hauv lumens. Nyob rau hauv daim ntawv, kev sib piv nrog ib tug hlau halide tso zis ntau tshaj 2000 lumens tsis hais nyob rau hauv lub siab ntawm ib tug LED projector, tab sis nyob rau hauv kev xyaum, txiav txim los ntawm cov neeg siv kev txheeb xyuas, cov cuab yeej illuminates lub screen brighter tshaj qhov xav tau. Cov khoom siv portable muaj peev xwm ua tauKev nthuav qhia PowerPoint, muab 80-nti HD 1280 x 720 duab ntawm qhov deb ntawm 2.5m nrog qhov ci uas tsis tas yuav tsum muaj chav tsaus. Txawm li cas los xij, txhawm rau saib cov yeeb yaj kiab, koj yuav tsum kos cov ntaub thaiv thiab tig rau Movie hom, uas yuav ua rau cov duab muaj xim ntau dua. Lub compactness ntawm lub cuab yeej yuav tsum tau txi ib tug hloov nyob rau hauv focal ntev. Tab sis muaj ib lub mount rau mounting ntawm lub tripod. Yog tias lub projector tilted txheeb ze rau qhov screen, cov duab yuav raug kho kom raug.
ViewSonic Pro9000 yog hybrid laser-LED projector zoo tagnrho rau kev siv hauv tsev ua yeeb yam. Cov xim zoo nkauj muab los ntawm DarkChip3 nti, Full HD cov duab qhia siab, 16,000 lumens ntawm lub teeb tso zis thiab qhov sib piv ntawm 100,000: 1 yog qhov uas cov neeg siv khoom nyiam tshwj xeeb. Lub projector yog tsim los tsis muaj lub teeb thiab cov ntxaij lim dej, uas txo cov nqi ntawm kev khiav hauj lwm cov cuab yeej mus rau zero.
LG PH550, PW1000, PW1500 yog LED lub tsev projectors qhia thaum Lub Ib Hlis 2016. Lub teeb tso zis hauv lumens thiab kev daws teeb meem (H rau 1280 x 720 thiab W rau 1280 x 800) tau qhia hauv lub npe ntawm lub cuab yeej. Tus qauv PH550 tau nruab nrog 2.5-teev roj teeb lub neej, Bluetooth suab, kev sib txuas lus wireless nrog Android OS li. Lub PW1000 kuj tau nruab nrog lub TV tuner thiab yog 3D sib xws, thiab qhov ci ntawm PW1500 hais lus ntau.
Vivitek Qumi Q5 yog lub portable mini-LED projector nrog 1600 x 1200 daws teeb meem, 500 lumens brightness thiab 3D txhawb nqa. Screen loj 30-90 nti (0.76-2.3m)ntawm qhov deb ntawm 1-3 m. Kuj tseem muaj cov neeg ua si built-in, 4 GB nco, USB chaw nres nkoj, wireless txuas, Internet browser thiab roj teeb. Cov neeg siv qhuas cov xim zoo nkauj, qhov sib piv, cov duab zoo, tsim thiab compactness, tab sis qee qhov tsis txaus siab rau lub suab nrov ntawm kiv cua thiab ntim tsis txaus ntawm lub cuab yeej.
Cov kab Qumi kuj suav nrog LED projectors Q4, Q6, Q7 Lite, Q7 Plus. Raws li tus naj npawb nce, yog li qhov ci ntsa iab, uas nyob rau hauv cov qauv tshiab kawg ncav cuag 1000 lumens. Qhov sib piv yog 30,000: 1, qhov kev daws teeb meem yog 1280 x 800. Lub projector tuaj yeem tswj tau siv cov khoom siv mobile khiav hauv Android lossis iOS. Muaj keystone kho, lens hloov nyob rau hauv kab rov tav thiab ntsug kev taw qhia, kho qhov muag zoom.
Produces Vivitek Qumi projectors Taiwanese corporation Delta Electronics.
Optoma khoom
Optoma muaj cov khoom siv thev naus laus zis hauv qab no.
ML750e yog lub tshuab ua kom sib zog thiab lub teeb (tsawg dua 400g). Qhov no yog lub portable LED projector tsim los rau kev ua si, saib cov yeeb yaj kiab thiab nthuav tawm yam tsis siv PC; Nws muaj built-in nco thiab ib lub qhov rau txuas ib tug micro SD card. Kev daws teeb meem 1280 x 800, sib piv 15000: 1, npo loj 17-100 ntiv tes, pov nrug 0.5-3.2m. Siv 65W hauv kev ua haujlwm thiab 0.5W hauv hom standby. Cov neeg siv txaus siab heev nrog lub ultra-mobility thiab versatility.
ML1500e nta cov khoom siv hauv media player, saib cov ntaub ntawv, lub suab tso suab, kev sib txuas wireless thiabnco daim card. Resolution 1280 x 800, contrast ratio 20,000:1, screen loj 17-100 inches, pov nrug 0.5-3m. Siv 145W.
HD91+ - 2nd tiam LEDs, Full 3D 1080p duab, kho qhov muag zoom. Contrast 600,000: 1, npo loj 30-300 nti, pov nrug 1.5-19m. Siv 245W hauv lub teeb ci thiab 150W hauv hom yeeb yaj kiab. Tsis muaj kev tsis txaus siab los ntawm cov neeg siv.
Optoma yog lub tuam txhab lag luam thoob ntiaj teb uas muaj lub hauv paus hauv Teb Chaws Asmeskas, Europe thiab Asia uas tsim cov khoom lag luam thiab cov khoom siv suab rau kev lag luam, kev kawm thiab kev siv hauv tsev. Founded hauv 2002 hauv Shanghai, Suav teb.
Projectors los ntawm BenQ
BenQ xa tawm GP30, GP3, GP20 portable LED projectors.
GP30 yog qhov pov tseg luv luv (40 screen ntawm 1m nrug) LED multimedia projector nrog 900 lumens ntawm lub teeb tso zis. Raws li cov chaw tsim khoom, nws yog qhov txawv ntawm qhov muaj lub suab tso suab nrog SRS HD, kev txhawb nqa rau cov ntsiab lus wireless hloov tshuab MHL thiab WiDi. Cov qauv GP3 thiab GP20 muaj qhov ci ntawm 300 thiab 700 lumens, feem. 1280 x 800 daws teeb meem, 100,000: 1 qhov sib piv, +/- 40 ° qaij kho. Xyoo 2014, Taiwan BenQ tau dhau los ua lub ntiaj teb muag khoom siab tshaj plaws projector, nrog rau tag nrho ntau dua 1 lab tus qauv muag.
NEC NP-L102W yog 1000 lumens LED projector nrog 1 GB nrog lub cim xeeb thiab mus txog 32 GB SD daim npav qhov, tso cai rau koj tawm hauv koj lub laptop hauv tsev thiab nthuav tawm los ntawm flash drive. Built-in chaw ua haujlwm saibtso cai rau koj qhib MS Office cov ntaub ntawv thiab cov ntaub ntawv PDF. Tus tsim tsis siv cov ntxaij lim dej rotating, uas, raws li kev tshuaj xyuas, txo cov suab nrov thiab tshem tawm qhov xav tau ntawm kev saib xyuas. Kev daws teeb meem 1280 x 800, sib piv 10,000: 1. Lub tuam txhab Japanese NEC Display Solutions, cov chaw tsim khoom ntawm lub projector no, tau ua lag luam rau ntau tshaj 20 xyoo.
Panasonic
Hauv Panasonic PT-RZ470U kev tshaj lij projector, lub teeb tau raug hloov los ntawm 3500 lumen LED laser system. 1920 x 1200 daws teeb meem, 20,000: 1 qhov sib piv piv, 40-300 screen loj, 2.6-10m screen nrug. Cov neeg siv hais tias hybrid teeb qhov chaw muaj xim purity ntau dua, thiab Digital Link system yuav ua rau HDMI kis tau tus mob, uncompressed HD video, suab, thiab Cov lus txib hla ib qho Cat5 cable mus txog 100m. Panasonic tau nyob rau hauv pem hauv ntej ntawm kev lag luam projector txij li xyoo 1975. Thiab nws tseem tuav txoj haujlwm tseem ceeb rau niaj hnub no, muaj cov ntaub ntawv teeb pom kev ci ntsa iab ntawm 9000 lumens thiab thawj zaug qhia wireless technology rau hauv hom khoom siv no. Cov neeg siv txaus siab rau tag nrho cov duab zoo ntawm hom tshiab projector, tab sis lawv hais tias qhov sib piv thiab cov xim luam tawm yog qhov nruab nrab.
New from Casio
Japanese tuam txhab Casio, uas pioneered zus tau tej cov hybrid laser-LED projectors, muaj pheej yig qauv XJ-V110W, XJ-V10X, XJ-V110W, XJ-F210WN, XJ-F100W, XJ-F20XN, XJ-F10, qhov ci ntsa iab uas ncav cuag 3500 lumens. Qhov sib piv ntawm cov projectors tshiab 20000: 1, qaij kho, wired lossis wireless txuas raunetwork.
Acer
Acer kuj tseem tso tawm K137i, K138ST, K335 portable LED projectors nrog 1280 x 800 pixel daws teeb meem thiab 700, 800 thiab 1000 lumens, raws li. Contrast 10,000: 1, npo loj 17-100/25-100/30-100 nti, npo nrug 0.6-3.2/0.4-1.7/0.9-3.0m, kho qaij +/-40°, txhawb rau PDF, MS Office hom Kev siv hluav taws xob 75/80/135 W. Kev tshuaj xyuas tus tswv yog qhov zoo tshaj plaws.
Suav teeb
Nws tsis tuaj yeem hais txog ntawm no tias kev ua lag luam tau raug dej nyab nrog pheej yig Suav LED projectors, tshuaj xyuas uas tsis txaus ntseeg. Ib qho piv txwv yog Digital Galaxy DG-757 thiab Fugetek FG-637. Raws li cov neeg siv khoom, nrog rau kev tshaj tawm ci ntsa iab ntawm 2800 thiab 2000 lumens, qhov tseeb tau hloov mus rau tsawg dua 140 thiab 90 lumens, feem. Qhov no, thiab qhov tsis sib xws loj hauv qhov ci ntsa iab thiab ntse, 20-xyoo-laus thev naus laus zis ntxiv lees paub cov paj lug "tus neeg pluag them ob zaug."
