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Pav ca vaj huam sib luag zaub video zaub uas yog npaum li cas sib zog thiab thinner tshaj tsoos sawv daws yuav

Apr 21, 2017

Pav ca vaj huam sib luag zaub

From Wikipedia, cov dawb encyclopedia Thaum pav ca-vaj huam sib luag TVs tau muaj nyob rau hauv kev tshawb fawb no-piv vim xyoo 1964, lawv tsis ua lub ntsiab zaub technology kom txog thaum lub 2000s thaum ntxov, thaum tus yees los ua pheej yig. Lawv yog cov ntau thinner thiab lighter tshaj xyoo 1950-1980s televisions thiab saib, uas feem ntau siv hnyav, loj cathode txoj sab ci raj (CRT) daim duab hlab. Lub tiaj-vaj huam sib luag TV xwm no yog los ntawm 2008.

Pav ca-vaj huam sib luag qhia yog hluav taws xob saib technologies siv los pab kom cov neeg los mus saib cov ntsiab lus (tseem dluab , tsiv dluab , ntawv nyeem , los yog lwm yam uas pom cov ntaub ntawv uas) nyob rau hauv ib tug ntau ntawm kev lom zem , cov neeg siv electronics , tus kheej lub computer , thiab mobile pab kiag li lawm , thiab muaj ntau hom kev kho mob , tsheb thauj mus los thiab muaj khoom . Lawv yog cov nyob deb lighter thiab thinner tshaj tsoos cathode txoj sab ci raj (CRT) TV poob lawm thiab video qhia thiab yog feem ntau tsawg tshaj li 10 centimeters (3.9 nyob rau hauv) tuab. Pav ca-vaj huam sib luag qhia yuav tsum tau muab faib ua ob zaub ntaus ntawv pawg: volatile thiab zoo li qub. Nrov heev nthe qhia tau tias pixels yuav tseg electronically zog ua tus khaws cov xeev (xws li, kua-siv lead ua qhia (LCD)). Ib tug volatile zaub xwb qhia tau hais tias ib tug duab thaum nws muaj roj teeb los yog AC mains lub hwj chim. Zoo li qub pav ca-vaj huam sib luag qhia cia siab rau cov ntaub ntawv uas nws cov xim kas no bistable (eg, e-phau ntawv nyeem ntawv ntsiav tshuaj los ntawm Sony ), thiab raws li xws li, pav ca-vaj huam sib luag qhia khaws cov ntawv nyeem los yog cov duab ntawm qhov screen txawm thaum lub hwj chim yog tawm. Raws li ntawm 2016, pav ca-vaj huam sib luag qhia tau yuav luag tag hloov qub CRT qhia. Nyob rau hauv muaj ntau yam 2010-era daim ntaub ntawv, uas me me portable pab kiag li lawm xws li laptops , txawb tes , smartphones , cov koob yees duab , camcorders , taw tes-thiab-tua cov koob yees duab , thiab hnab tshos video koob yees duab , tej zaub tsis zoo ntawm cov flatscreens (raws li muab piv nrog CRTs) no yog ua los rau los ntawm portability zoo (thinness thiab lightweightness).

Feem ntau cov 2010s-era pav ca-vaj huam sib luag qhia siv LCD thiab / los yog LED technologies. Feem ntau cov LCD cov ntxaij vab tshaus yog rov qab-zes kom lawv yooj yim dua mus nyeem los yog saib nyob kaj lug kawm. Pav ca-vaj huam sib luag qhia yog nyias thiab khaub-ncaws nyias thiab muab zoo dua linearity thiab lawv muaj peev xwm qib siab daws teeb meem tshaj raug neeg-qib TVs los ntawm ua ntej lawm eras. Qhov siab tshaj plaws kev daws teeb meem rau cov neeg siv-qib CRT TVs yog 1080i ; rau hauv sib piv, muaj ntau flatscreens yuav tso saib 1080p los yog txawm 4K daws teeb meem . Raws li ntawm 2016, ib co pab kiag li lawm uas siv flatscreens, xws li cov ntsiav tshuaj computers , smartphones thiab tsawg, feem ntau, laptops, siv touchscreens , ib tug feature uas enables cov neeg siv kom xaiv onscreen icons los yog ua tej yam ua (xws li, ua si ib tug digital video) los ntawm kov tau cov kev tshuaj ntsuam . Muaj ntau touchscreen-enabled pab kiag li lawm yuav tso saib ib tug virtual QWERTY los yog numeric keyboard ntawm qhov screen, los pab kom tus neeg siv yuav ntaus lo lus los yog tus xov tooj.

Ib tug multifunctional saib (MFM) yog ib tug ca-vaj huam sib luag zaub uas muaj ntxiv video inputs (ntau tshaj ib tug raug LCD saib ) thiab yog tsim los siv nrog ib tug ntau yam ntawm sab nraud video qhov chaw, xws li VGA tswv yim, HDMI tswv yim los ntawm ib tug VHS VCR los yog kev ua si video console thiab, nyob rau hauv tej rooj plaub, ib tug USB tswv yim los yog card nyeem ntawv rau saib cov duab ). Nyob rau hauv ntau lub sij hawm, ib tug MFM kuj muaj xws li ib tug TV tuner , ua rau nws zoo ib yam li ib tug LCD TV uas muaj computer connectivity.


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Keeb kwm [ edit ]

Tus thawj engineering tswv yim rau ib tug ca-vaj huam sib luag TV yog los ntawm General Electric raws li ib tug tshwm sim ntawm nws txoj kev ua hauj lwm rau radar saib. [ Thaum twg? ] Lawv ntawv ntawm lawv tshawb pom tau muab tag nrho cov kev qhia tswj ntawm yav tom ntej pav ca-vaj huam sib luag TVs thiab saib. Tab sis GE tsis ntxiv nrog rau cov R & D yuav tsum tau thiab yeej tsis ua ib tug ua hauj lwm ncaj nraim vaj huam sib luag nyob rau ntawm lub sij hawm. [1] Tus thawj lawm pav ca-vaj huam sib luag zaub yog cov Aiken raj , tsim nyob rau hauv thaum ntxov xyoo 1950 thiab ua nyob rau hauv txwv xov tooj nyob rau hauv 1958. Qhov no pom ib co siv nyob rau hauv cov tub rog tshuab raws li ib tug hau zaub , tab sis cov pa technologies overtook nws kev loj hlob. Attempts mus commercialize lub system rau lub tsev TV siv khiav mus rau hauv txuas ntxiv teeb meem thiab lub system yeej tsis tau tso tawm muag. [2] Tus Philco Predicta featured ib tug kuj pav ca (rau nws hnub) cathode txoj sab ci raj teeb thiab yuav ua tau tus thawj muag tso "tiaj vaj huam sib luag" raws li qhov nws ya nyob rau hauv 1958; lub Predicta yog ib tug coj mus muag tsis ua hauj lwm. Cov ntshav zaub vaj huam sib luag twb yees ua nyob rau hauv 1964 nyob rau University of Illinois , raws li keeb kwm ntawm Ntshav zaub Panels. [3] Tus thawj active-matrix nyob zaub yog ua los ntawm T Peter Brody 's Nyias-Zaj duab xis Devices department ntawm Westinghouse Electric Corporation nyob rau hauv 1968. [4] Nyob rau hauv 1977, James P Mitchell prototyped thiab tom qab pom zoo li cas yog tej zaum qhov ntxov tshaj plaws monochromatic tiaj vaj huam sib luag LED TV zaub LED zaub . Raws li ntawm 2012, 50% ntawm lub ntiaj teb no kev ua lag luam qhia tawm nyob rau hauv tiaj-vaj huam sib luag zaub (FPD) ntau lawm yog los ntawm Taiwanese manufacturers xws li AU Optronics thiab Chimei Innolux Corporation .

Common hom [ edit ]

Kua siv lead ua qhia [ edit ]

Ib tug LCD zaub screen siv raws li ib tug ceeb toom vaj huam sib luag rau cov neeg ncig

Kua siv lead ua qhia (LCDs) yog sib, compact, portable, pheej yig, ntau txhim khu kev qha, thiab yooj yim dua rau hauv lub qhov muag tshaj li cathode txoj sab ci raj cov ntxaij vab tshaus. LCD cov ntxaij vab tshaus siv ib tug nyias txheej ntawm kua siv lead ua, ib tug ua kua uas exhibits crystalline zog. Nws yog sandwiched ntawm ob electrically kev paib. Lub sab saum toj phaj muaj pob tshab electrodes tso rau nws, thiab rau sab nraum qab phaj yog illuminated li hais tias cov tuav tau pom cov dluab ntawm qhov screen. Los ntawm kev thov tswj hluav taws xob Pib ntsais koj teeb thoob plaws cov phiaj, ntau yam feem ntawm cov kua siv lead ua yuav qhib kom ua huaj, ua hloov nyob rau hauv lawv lub teeb diffusing los yog polarizing zog. Cov theem yuav yog kis los thaiv teeb. Tus duab yog ua los ntawm xeem dhau lub teeb los ntawm xaiv feem ntawm cov kua siv lead ua rau tus tuav. Lawv yog siv nyob rau hauv ntau yam electronics zoo li ua si, cov cav laij leb, thiab phau computers.

Kua siv lead ua qhia nrog lub teeb-emitting diode (LED) Backlighting [ edit ]

Ib txhia LCD cov ntxaij vab tshaus yog backlit nrog ib tug xov tooj ntawm lub teeb-emitting diodes (LEDs). LEDs yog ob-lead semiconductor teeb qhov chaw uas tsa ib tug yooj yim "pn-hlws ris" diode , tsuas yog hais tias ib tug LED kuj emits teeb. Qhov no daim ntawv ntawm LCD (kua siv lead ua zaub) yog feem ntau nyob rau hauv lub 2010s. Qhov no daim ntawv ntawm LCD yog tseem muaj ib tug Kua Crystal zaub vaj huam sib luag. Nws tsis yog ib tug cais technology los ntawm ib tug LCD.

Ntshav panels [ edit ]

Ib tug ntshav zaub muaj ob lub khob daim hlau sib cais los ntawm ib tug nyias kis sau nrog ib tug roj xws li neon. Txhua yam ntawm cov phiaj muaj ob peb thaum uas tig mus electrodes khiav nws. Lub electrodes nyob rau hauv ob daim hlau nyob rau ntawm txoj cai ces kaum mus rau txhua lwm yam. Ib tug voltage thov nruab nrab ntawm ob electrodes ib tug nyob rau txhua lub phaj ua rau ib tug me me ya ntawm roj nyob rau ob electrodes ci. Lub glow ntawm cov roj theem yog khaws cia los ntawm ib tug qis voltage uas yog tsis tu ncua thov rau tag nrho cov electrodes. Nyob rau hauv lub 2010s, ntshav qhia tau lawm sis txiav los ntawm heev heev manufacturers.

Electroluminescent panels [ edit ]

Nyob rau hauv ib tug electroluminescent zaub (ELD), cov duab no yog tsim los ntawm thov hluav taws xob Pib ntsais koj teeb cov phiaj uas yuav ua rau lub phosphor ci ntsa iab.

Organic teeb-emitting diode [ edit ]

Ib OLED (organic teeb-emitting diode) yog ib lub teeb-emitting diode (LED) nyob rau hauv uas lub emissive electroluminescent txheej yog ib zaj duab xis ntawm cov organic compound uas emits teeb nyob rau hauv cov lus teb rau ib tug hluav taws xob tam sim no. Qhov no txheej ntawm organic semiconductor yog situated ntawm ob electrodes; feem ntau, yam tsawg kawg ib tug ntawm cov electrodes yog pob tshab. OLEDs yog siv los tsim cov qhia nyob rau hauv pab kiag li lawm xws li TV ntxaij vab tshaus, computer saib, portable tshuab xws li cov xov tooj txawb, handheld kev ua si consoles thiab PDAs. Ib tug loj cheeb tsam ntawm kev tshawb fawb yog txoj kev loj hlob ntawm cov dawb OLED pab kiag li lawm rau siv nyob rau hauv cov khoom-xeev teeb pom kev zoo daim ntaub ntawv. [1] [2] [3]

Nrov heev nthe [ edit ]

Ib tug loj LED zaub ntawm cov Taipei Arena qhia commercials thiab movie shocks .

Nrov heev nthe qhia tau tias pixels yuav tseg zog ua tus khaws cov xeev, txawm ib tug zoo li qub duab. Raws li xws li, ib lub volatile tshuaj ntsuam yuav tsum tau hluav taws xob, tog twg los ntawm mains hluav taws xob (raug xob rau hauv ib lub phab ntsa socket ) los yog ib tug roj teeb kom muaj ib tug duab nyob rau hauv cov zaub los yog hloov cov duab. Qhov no refresh feem ntau tshwm sim ntau lub sij hawm ib tug thib ob. Yog hais tias qhov no yog tsis ua li cas, piv txwv li, yog hais tias muaj yog ib tug fais fab tuag , cov pixels yuav maj poob lawv coherent lub xeev, thiab cov duab yuav "ploj" los ntawm lub screen.

Piv txwv [ edit ]

Kev qhia ntxiv: Piv CRT, LCD, Ntshav

Tsuas yog ib ob peb ntawm cov qhia yog muag nyob rau hauv lub 2010s, tab sis yog OLED lus pib txiag nyob rau hauv smartphones thiab heev tsis ntev los no nyob rau hauv TV.

Zoo li qub [ edit ]

Amazon lub zes Keyboard e-nyeem ntawv displaying ib daim ntawv ntawm ib tug e-phau ntawv. Lub zes tus duab ntawm cov phau ntawv tus ntawv nyeem yuav nyob twj ywm onscreen txawm hais tias lub roj teeb sau, raws li nws yog ib tug zoo li qub screen technology. Yog tsis muaj lub hwj chim, txawm li cas los, tus neeg siv yuav hloov tsis tau mus rau ib tug tshiab page.

Zoo li qub pav ca-vaj huam sib luag qhia cia siab rau cov ntaub ntawv uas nws cov xim kas no bistable . Qhov no txhais tau tias cov duab uas lawv tuav yuav tsum tau tsis muaj lub zog los tswj, tab sis es tsis txhob yuav tsum zog mus hloov. Qhov no los tau nyob rau hauv ib tug ntau npaum li cas lub zog-npaum zaub, tab sis nrog ib tug ib txwm rau qeeb refresh nqi uas yog undesirable nyob rau hauv kev sib tham sib zaub. Bistable pav ca-vaj huam sib luag qhia pib txiag nyob rau hauv txwv daim ntaub ntawv (Cholesteric qhia, manufactured los ntawm Magink, nyob rau hauv sab nraum zoov advertising; electrophoretic qhia nyob rau hauv e-phau ntawv nyeem ntawv kiag li lawm los Sony thiab iRex; anlabels).

Saib kuj [ edit ]