Mukugwiritsa ntchito lasers kuti muwonetsere chiwonetsero chanu chowonera zisudzo
Zojambula zamagetsi zimabweretsa zojambula zamasewera kunyumba zomwe zimatha kusonyeza zithunzi zomwe ndi zazikulu kuposa momwe TV zambiri zingaperekere. Komabe, kuti pulojekiti yamakono ichite bwino, iyenera kupereka chithunzi chomwe chili chowala kwambiri ndipo chimapanga mitundu yambiri yamitundu.
Kuti akwaniritse ntchitoyi, chitsimikizo champhamvu chowongolera chikufunika. Kwa zaka makumi angapo zapitazi, magetsi opangidwa ndi magetsi osiyanasiyana akhala akugwiritsidwa ntchito, ndipo Laser ndiyo yotsitsimula posachedwa.
Tiyeni tiwone za kusintha kwa magetsi opangira magetsi omwe amagwiritsidwa ntchito muzithunzi zamagetsi ndi momwe Lasers akusinthira masewera.
Chisinthiko kuchokera ku CRTs kupita ku Matabwa
Poyambirira, makina opanga mavidiyo ndi ma TV omwe amagwiritsidwa ntchito pa teknoloji ya CRT (ganizirani ma tepi opangidwa ndi TV). Mitundu itatu (yofiira, yobiriwira, ya buluu) inapereka zonse zofunikira zowunikira ndi chithunzi.
Phukusi lililonse linkawonetsedwa pawindo. Pofuna kusonyeza mitundu yonse ya mitundu, ma tubes amayenera kutembenuzidwa. Izi zikutanthauza kuti kusanganikirana kwa mitundu kwenikweni kunkachitika pazenera osati mkati mwa pulojekiti.
Vuto la ma tubes sikuti ndilofunika kuti mutembenuke kuti musunge umphumphu wa chithunzi chomwe chingawonongeke ngati phukusi limodzi lidawonongeka kapena lisanafike msanga, zida zonse zitatu ziyenera kuti zisinthidwe kuti zonse ziwonetsere mtundu womwewo. Miphikayi imatenthedwa kwambiri ndipo inkafunika kutenthedwa ndi "gels" kapena "madzi" apadera.
Kuti apitirize, onse opanga ma CRT ndi ma TV omwe amawonetsera amadya mphamvu zambiri.
Majekesi ogwira ntchito a CRT tsopano sapezeka. Zipangizo zakhala zikulowetsedwanso ndi nyali, kuphatikizapo magalasi apadera kapena magudumu amtundu omwe amalekanitsa kuwala kukhala wofiira, wobiriwira, ndi wabuluu, ndi "chip chip chipangidwe" chomwe chimapereka chithunzichi.
Malinga ndi mtundu wa fano yamagetsi yogwiritsidwa ntchito ( LCD, LCOS , DLP ), kuwala kochokera ku nyali, magalasi, kapena gudumu la magalasi, umayenera kudutsa kapena kusonyeza chipangizo chojambula, chomwe chimapanga chithunzi chomwe iwe ukuchiwona pazenera .
Vuto Lili ndi Mabampu
Majekesi a LCD / LCOS ndi DLP "nyali-ndi-chip" amathamanga kwambiri kuchokera kwa otsogolera awo CRT, makamaka pa kuchuluka kwa kuwala kumene angatulutse. Komabe, nyali zimatayikabe mphamvu zambiri zomwe zimatulutsa kuwala konse, ngakhale kuti mitundu yeniyeni yofiira, yobiriwira, ndi buluu imayeneradi.
Ngakhale kuti sizowopsa ngati CRTs, nyali zimagwiritsabe ntchito mphamvu zambiri ndipo zimapangitsa kuti kutenthe kutenthedwa, zomwe zimafuna kugwiritsa ntchito phokoso lopweteketsa kuti zisawonongeke.
Ndiponso, kuyambira koyamba mutsegula kanema wa kanema, nyali imayamba kuwonongeka ndipo pamapeto pake imakhala yochepa kwambiri kapena imatuluka (nthawi zambiri pambuyo pa maola 3,000 mpaka 5,000). Ngakhalenso CRT zowonongeka zamachubu, monga zazikulu ndi zovuta monga zinaliri, zinatenga nthawi yaitali. Kutalika kwa nyali za nyali kumafuna kubwereza nthawi zina pa mtengo wowonjezera. Zofuna lero zamakono zokometsera zokongola (zowonjezera zamakono zowonetsera polojekiti zimakhalanso ndi Mercury), zimafuna njira ina yomwe ingagwire bwino ntchitoyi.
Mpulumutsi wa LED?
Njira yina yopangira nyali: Ma LED (Zojambula Zowala Zowala). Ma LED ndi aang'ono kwambiri kuposa nyali ndipo akhoza kupatsidwa kuchotsa mtundu umodzi (wofiira, wobiriwira, kapena wabuluu).
Ndi kukula kwake kwazing'ono, mapulojekiti akhoza kupanga zochuluka kwambiri-ngakhale mkati chinachake monga wamng'ono ngati smartphone. Ma LED ndi othandiza kwambiri kuposa nyali, koma amakhala ndi zofooka zingapo.
- Choyamba, ma LED sali owala ngati nyali (kuyerekeza LED ndi nyali yamakono mu mtengo womwewo wa mtengo).
- Chachiwiri, ma LED sagwiritsa ntchito mwatsatanetsatane. Izi zikutanthawuza kuti pamene matabwa a kuwala amachokera ku chipangizo cha LED chotengera kuwala, amakhala ndi chizoloŵezi chobalalika, kutanthauza kuti, ngakhale kuti ali ndi nyali zedi kuposa nyali, akadakali pang'ono.
Chitsanzo chimodzi cha kanema wa kanema kamene kamagwiritsa ntchito ma LED pofuna kutulutsa kuwala ndi LG PF1500W.
Lowani Laser
Kuti athetse mavuto a nyali kapena ma LED, gwero la laser laser lingagwiritsidwe ntchito.
Laser imayimira L ight A mplification ndi S timulated E mission ya R adiation.
Laser wakhala akugwiritsidwa ntchito kuyambira m'ma 1960 ngati zipangizo za opaleshoni yachipatala (monga LASIK), mu maphunziro ndi bizinesi monga ma laser pointers ndi kufufuza kutalika, ndipo asilikali amagwiritsira ntchito lasers mu njira zotsogolere, komanso ngati zida zotheka. Komanso, Laserdisc, DVD, Blu-ray, Ultra HD Blu-ray, kapena sewero la CD, gwiritsani ntchito lasers kuti muwerenge maenje pa diski yomwe ili ndi nyimbo kapena mavidiyo.
Laser Imayendera Pulogalamu ya Video
Pogwiritsidwa ntchito ngati chithunzi cha pulojekiti yamakono, Lasers amapereka ubwino wambiri pa nyali ndi ma LED.
- Laser imathetsa vuto lofalitsa kuwala mwa kutulutsa kuwala mwaluso. Pamene kuwala kumachokera ku laser ndi imodzi, yolimba, yolimba, yomwe "makulidwe" amasungidwa patali pokhapokha atasinthidwa kupyola malonda ena.
- Kugwiritsa Ntchito Mphamvu Zamtundu. Chifukwa cha kufunika kotipatsa pulojekiti yokwanira kuti asonyeze chithunzi pawindo, nyali imadya mphamvu zambiri. Komabe, popeza Laser iliyonse imafuna kupanga mtundu umodzi (wofanana ndi LED), imakhala yabwino kwambiri.
- Kuwonjezeka kwa Kuwala kwa Kuwala ndi kutentha pang'ono kwachilengedwe-makamaka kofunika kwa HDR , zomwe zimafuna kuwala kwakukulu kuti zitheke.
- Amapereka chithandizo chothandizira maonekedwe a mtundu wautali komanso mawonekedwe owonetseratu a mitundu.
- Pafupifupi Nthawi / Kutseka nthawi yambiri ngati zomwe mumakumana nazo mutatsegula TV.
- Kukhala ndi moyo wapatali kwa nthawi yaitali-maola 20,000 ogwiritsira ntchito kapena ambiri akupezeka mosavuta, kuthetsa kufunikira kwa nthawi yowonjezera nyali.
The Mitsubishi LaserVue
Mitsubishi ndiyo yoyamba kugwiritsira ntchito lasers mu yogula video kanema project-based. Mu 2008, adayambitsa TV ya LaserVue. LaserVue inagwiritsa ntchito dongosolo la DLP-based projection pamodzi ndi laser light source. Tsoka ilo, Mitsubishi inasiya magetsi awo onse akumbukira (kuphatikizapo LaserVue) kumapeto kwa 2012.
LaserVue TV inagwiritsa ntchito lasers atatu, imodzi iliyonse yofiira, yobiriwira, ndi ya buluu. Mitundu itatu yowunikira inawonetsedwa ndi chipangizo cha DLP DMD, chomwe chinali ndi tsatanetsatane wa chithunzi. Zithunzi zotsatilazo zinawonetsedwa pazenera.
Ma TV a LaserVue amapereka kuwala kochititsa chidwi, kulondola kwa mtundu, ndi kusiyana. Komabe, iwo anali okwera mtengo kwambiri (mawonekedwe a 65-inch analipidwa pa $ 7,000) ndipo ngakhale kuti anali ochepa kwambiri kuposa TV zambiri zowonekera, anali akadali oposa TV ndi LCD TV zomwe zinalipo panthawiyo.
Pulojekiti ya Video Laser Light Source Chitsanzo
ZOYENERA: Zithunzi izi ndizomwe zikufotokozedwa ndizochibadwa-zikhoza kukhala zosiyana pang'ono malinga ndi wopanga kapena kugwiritsa ntchito.
Ngakhale ma TV a LaserVue sakupezeka, Lasers yasinthidwa kuti agwiritsidwe ntchito ngati gwero lazithunzi zowonetsera kanema pamasewero angapo.
RGB Laser (DLP) - Kusintha uku kuli kofanana ndi zomwe zinagwiritsidwa ntchito mu Mitsubishi LaserVue TV. Pali 3 lasers, imodzi yomwe imatulutsa kuwala kofiira, imodzi yobiriwira, ndi buluu limodzi. Kuwala kofiira, kobiriwira, ndi buluu kumadutsa mu de-speckler, yopapatiza "phokoso lachitsulo" ndi msonkhano wa lens / prism / DMD Chip, komanso kuchokera pulojekiti pawindo.
RGB Laser (LCD / LCOS) - Monga momwe zilili ndi DLP, pali 3 lasers, kupatula kuti m'malo momangirira chipsera cha DMD, matabwa atatu a RGB amatha kupyolera mu zipangizo zitatu za LCD kapena zizindikiro zitatu za LCOS (chipangizo chilichonse wofiira, wobiriwira, ndi wabuluu) kuti apange fano.
Ngakhale kuti ma laser 3 akugwiritsidwa ntchito pulojekiti ya cinema yamakono, chifukwa cha mtengo wake, sagwiritsidwe ntchito panopa pazithunzi zogula DLP kapena LCD / LCOS-koma pali njira ina, yotsika mtengo yomwe imakhala yotchuka ntchito -dongosolo la Laser / Phosphor.
Laser / Phosphor (DLP) - Njirayi ndi yovuta kwambiri pokhapokha ngati pulogalamu yamakono ndi magalasi amafunika kuwonetsera fomu yomaliza, koma pochepetsa chiwerengero cha Lasers kuyambira 3 mpaka 1, ndalama zowonjezera zimachepetsedwa.
Mu dongosolo lino, Laser imodzi imatulutsa kuwala kwa buluu. Kuwala kwa buluu kumagawanika pawiri. Dothi limodzi limapitirira kupyolera mu injini yonse ya DLP injini, pamene ina imakhala ndi gudumu lozungulira lomwe liri lobiriwira ndi lachikasu phosphors, lomwe limapanganso mizati iwiri yobiriwira ndi yachikasu. Mitengo yowonjezerayi, yowanikizana ndi phokoso la buluu losawoneka, ndipo onse atatu adutsa galasi lalikulu la DLP, msonkhano wa lens / prism, ndikuwonetseratu chipangizo cha DMD, chomwe chimawonjezera chidziwitso ku mtundu wosakaniza. Chithunzi chonse cha mtundu chimatumizidwa kuchokera ku projector kupita ku skrini.
Mmodzi wa DLP projector amene amagwiritsa ntchito Laser / Phosphor ndilo Viewsonic LS820.
Laser / Phosphor (LCD / LCOS) - Majekesiti a LCD / LCOS, kuphatikizapo kuwala kwa Laser / Phosphor ndi ofanana ndi a DLP projectors, kupatula kuti m'malo pogwiritsa ntchito DLP DMD chipangizo / Chipangizo cha Wheel, kuwala kumadutsa Mapulogalamu 3 a LCD kapena amawonetsedwa ndi 3 LCOS chips (imodzi iliyonse yofiira, yobiriwira, ndi buluu).
Komabe, Epson amagwiritsa ntchito mitundu yosiyanasiyana yomwe imagwiritsa ntchito ma-lasers awiri, onse awiri omwe amatulutsa kuwala kwa buluu. Pamene kuwala kwa buluu kuchokera ku laser limodzi kumadutsa kupyolera mu injini yowonjezera yonse, kuwala kobiriwira kuchokera ku Laser ina imakhala ndi chikasu cha chikasu phosphor, chomwe chimawombera phokoso la buluu kukhala lofiira ndi lalitali. Kuwala kwatsopano kofiira ndi kofiira kumaphatikizapo kenaka ndikugwirizanitsa ndi phokoso la buluu lokhazikika ndikudutsa mu injini yotsala yonse.
Epson LCD projector yomwe imagwiritsa ntchito laser awiri kuphatikizapo phosphor ndi LS10500.
Laser / LED Yowonjezera (DLP) - Kusiyananso kwina, komwe kumagwiritsidwa ntchito ndi Casio mwa ena a DLP opanga majekesiti, ndi injini ya Laser / LED yowonjezera.
Mu kukonzekera uku, nyenyezi imapanga kuwala kofiira, pamene Laser imagwiritsidwa ntchito kupanga kuwala kwa buluu. Gawo la buluu lowala ndiyeno limagawanika kupita kumtunda wobiriwira mutagunda gudumu la mtundu wa phosphor.
Mitengo yofiira, yobiriwira, ndi ya buluu imadutsa mkati mwa lens la condenser ndikuwonetsa chipangizo cha DLP DMD, kukwaniritsa chiwonetsero cha chithunzi, chomwe chimagwiritsidwa ntchito pazenera.
Pulojekiti imodzi ya Casio yokhala ndi Laser / LED Yowunikira Yowunikira ndi XJ-F210WN.
Chofunika Kwambiri - Kwa Laser Kapena Osati Laser
Majekesi a Laser amapereka kuwala kofunika, kuwala kwapamwamba, komanso mphamvu zogwiritsira ntchito mafilimu komanso zisudzo.
Zowonongeka zamakono zimagonjetsa, koma kugwiritsa ntchito LED, LED / Laser, kapena magetsi a Laser ikuwonjezeka. Ma Lasers amagwiritsidwa ntchito pang'onopang'ono pulogalamu yamakono, choncho adzakhala okwera mtengo kwambiri (Mitengo imachokera pa $ 1,500 kufika pa $ 3,000) komanso taganizirani mtengo wa chinsalu, ndipo nthawi zina, malonda).
Komabe, monga kupezeka kukuwonjezeka ndipo ogula amagula magawo ambiri, ndalama zowonongeka zidzatsika, zomwe zimapangitsa kuti pulojekiti ya Laser ikhale yotsika mtengo - iyeneranso kulingalira mtengo wogwiritsira ntchito nyali zotsutsana ndi kusasintha malowa.
Posankha kanema wa kanema - mosasamala kanthu komwe imagwiritsa ntchito magetsi, imayenera kugwirizana ndi malo anu owonera chipinda, bajeti yanu, ndi mafano ayenera kukukondweretsa inu.
Musanasankhe ngati nyali, LED, Laser, kapena LED / Laser wosakanizidwa ndi njira yabwino kwambiri kwa inu, funani chiwonetsero cha mtundu uliwonse.
Kuti mudziwe zambiri pavidiyo pulojekiti yowunikira, komanso momwe mungakhazikitsire kanema kanema, onetsani zokambirana zathu: Nits, Lumens, ndi Bright - Ma TV ndi Vesi Ma Video ndi Momwe Mungakhazikitsire Pulogalamu ya Video
Mfundo imodzi yotsiriza-Monga momwe ziliri ndi "TV TV" , laser (s) mu projector sizimapereka tsatanetsatane mu fano koma amapereka chitsime chowunikira chomwe chimathandiza opanga mawonedwe kuti azisonyeza zithunzi zonse zamtunduwu pazenera. Komabe, n'kosavuta kugwiritsa ntchito mawu akuti "Laser Projector" osati "DLP kapena LCD video projector" ndi Chitsime cha Kuwala kwa Laser ".