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LCD de 32" Samsung sau LG?

This topic is about LCD de 32" Samsung sau LG?, the author, > T u d o r <, wrote about: Plasma sunt cu diagonala mare. LCD-urile le gasesti si mici si maricele. Cel mai bun dintre toate este insa tubul catodic, prin prisma calitatii imagi ... To read more just scroll down

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> LCD de 32" Samsung sau LG?, scuze dace e off dar e zona tranzitata...
T u d o r
post Sep 28 2006, 08:10 AM
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Plasma sunt cu diagonala mare. LCD-urile le gasesti si mici si maricele. Cel mai bun dintre toate este insa tubul catodic, prin prisma calitatii imaginii. Si pret, desigur.
Eu mi-am luat Sony 100hz de 72 diagonala, la 15 mil.

Dezavantaj major... 46kg... blink.gif Si dimensiunile destul de colosale. biggrin.gif


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G e o r g e
post Sep 28 2006, 08:13 AM
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lcd ul as zice eu smile.gif

prea mare discutia aici , vezi ca sunt teste concludente pe net intre cele 2 .


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AZAZEL
post Sep 28 2006, 01:48 PM
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eu detin un LCD samsung de 32 inch, si sunt super multumit.
oricum LCD-ul este viitorul. daca astazi lcd si plasma pot fi comparate , in maxim 1 an plasma va fi total depasita.

oricum, uite ce zic specialistii:

You know you want a flat TV, but you may not know whether a plasma or an LCD is best for you. Here's what you should consider before buying.


Recently, a friend sent me the following e-mail:

Random question, oh tech guru: I'm looking for a new TV, what are your thoughts on plasma vs. LCD? Moved to a loft, so I can get a decent-size "tube", but don't want to go broke. Also, looking at a 20-inch Sharp Aquos for the bedroom. Right way to go? Again, your thoughts.

The question wasn't as random as he supposed; I've been receiving similar queries from other friends and readers regularly for the past month. The great marketing machines of Philips, Sony, and Samsung have combined with electrical retailers to work everybody into a flat-panel frenzy -- even people who say they don't watch TV. The only problem, of course, is that there happen to be two kinds of flat panels, and both have their pluses and minuses. With that in mind, I've put together a quick rundown of what you should know before going the plasma or LCD route, along with a few pointers.

1. Price-to-size ratio
While neither LCD nor plasma TVs are a bargain, on a price-per-square-inch basis, plasmas currently have the edge. Look at it this way: technically, a 42-inch plasma gives you almost twice as much screen real estate as a 30-inch LCD panel, but they both go for about AU$3,000 [updated 07.03.06]. By 2006, you may see 42-inch LCDs hitting that price, but larger versions (50 inches or more) won't cost the same as their plasma equivalents for a while.

The reason my friend is looking at a 20-inch Sharp for his bedroom is that prices for smaller LCD panels are dropping the fastest, with a 20-incher coming in at a little more than AU$1,500. Plasmas aren't available in that size; 32 inches is their lower limit. Just remember that a 20-inch screen is pretty small, and you'll have to sit rather close to it. It may be fine for viewing sitcoms in bed, but it's obviously less than ideal for enjoying movies. And a 17-inch model should be reserved for use as a kitchen television or a computer monitor in a home office; while you work, you can watch TV in a little picture-in-picture box in a corner of the display.

Bottom line: 22-inch LCDs and 42-inch plasmas offer the greatest value among bedroom sets, and your best bet for the living room is a 42-inch or larger plasma.

2. Performance
A general rule of thumb is that plasmas deliver better home-theater performance than LCDs. Our video guru, Senior Associate Editor David Katzmaier, says that the difference is due mostly to the fact that LCD TVs typically can't display black as well as plasmas; it ends up closer to dark gray. That shortcoming decreases the amount of detail you can see in the shadows and ultimately leaves the picture looking -- as videophiles would say -- less three-dimensional.

The picture quality of both LCD and plasma panels is improving each year, but it can vary significantly from manufacturer to manufacturer. But if you're buying a smaller LCD (26 inches or less) for the kitchen or the bedroom, don't agonize too much over performance.

3. Life span
Life span, the number of viewing hours a television provides before dimming to half brightness, is one of the biggest advantages LCD has over plasma. Though the numbers vary among the different brands, plasma displays generally offer around 20,000 hours, while LCD sets last for up to 50,000 hours.

4. Burning issues
One of plasma technology's known issues is something called burn-in. It happens when your television shows a still image or an icon for so long that its "ghost" remains on the screen. For example, if a stock ticker or a news crawl continuously runs along the bottom of your display, that strip may be burned into your set. The same applies to watching an excessive amount of standard TV (4:3) on a wide-screen (16:9) model; the vertical bars to either side of the picture could become permanent. Manufacturers have taken steps to prevent burn-in, building in screensavers and other technologies. And you can virtually eliminate the danger by not leaving still images on the screen and reducing your contrast setting to 50 percent or less.

To their credit, LCDs don't suffer from burn-in, nor do they have troubles at high altitudes, where the air-pressure differential causes plasmas to emit an irritating buzzing sound. So, if you live at the top of a mountain, we don't recommend that you get a plasma, though some manufacturers are selling special sets that they claim are immune to the problem.

5. Viewing HDTV
Most plasmas and LCDs can display a high-def signal. However, you'll need a model with a resolution of at least 1,280 x 720 to enjoy full HDTV once it becomes available in the Australian market. Most 50-inch plasmas and nearly all 26-inch and larger LCDs offer this resolution. Very few 42-inch plasmas do, but when you're watching HD feeds on a lower-resolution television of that size or smaller, you'll have to sit very close to notice much of a difference between true HD and what you're seeing. Take, for example, Panasonic's TH-42PA20U, which is arguably the best 42-inch plasma we've seen to date in its price range. Even though the set provides only EDTV resolution (852 x 480), HDTV looks really good on it.

6. Computers and video games
Most plasma and LCD TVs can double as computer monitors; many even offer a DVI port for optimal video quality. They'll also hook up to a game console without any problems. So which technology is better for these purposes? From a performance standpoint, it's hard to pick a winner, but because of plasma's burn-in risk, LCD is the safer choice for computer work and gaming.


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Impulse
post Sep 30 2006, 08:14 PM
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Pentru calitate superioara a imaginii si detaliu recomand plasma. LCD nu are nici un avantaj superior plasmei in afara longevitatii dar si asta este discutabil deoarece nu toate plasma sufera de LCD burn.
De retinut ca in cazul LCD imaginea este perfect vizibila 100% doar in cazul in care privesti perpendicular pe el si aproape imposibil de vizionat din alte unghiuri (in picioare, lateral, etc), in anumite situatii batand in negativ. LCD a mai evoluat dar nu intr-atat incat sa poata fi vazut de oriunde. Imaginea nu este de aceeasi calitate ca a plasmei si este foarte sensibil la socuri, apasari, mici accidente, etc.
Plasma este vizibil din orice unghi si cu o calitate deosebita, detaliu excelent mai ales la cele de dimensiuni mai mari sau HDTV.
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Iulian HondaFan
post Oct 1 2006, 05:05 AM
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he,he asta e ca un fel de diesel vs. benzina... pana recent LCD erau limitate la ecranele mici si plasma la cele mari, de 1-2 ani LCD au inceput sa intre incet incet in teritoriul plasma. anul trecut Samsung a lansat cel mai mare TV cu ecran LCD a carei diagonala masoara 82 tzoli ( 210cm).

LCD-urile au iesit deja pe piata cu true HDTV - care au 1920x1080 pixeli. plasmele inca nu sunt pe piata in acest format, desi Panasonic a anuntat noua generatie pentru decembrie.

LCD-urile au rezolutie mai buna si sunt inca tehnologia mai scumpa ( ma refer la ecrane cu diagonala peste 40tzoli). totusi cea mai buna rezolutie o au inca tuburile catodice ( care sunt HDTV in monitoare de 20-30 de ani si in TV de vreo 10 ani).

culoarea si intensitatea negrului ( contrastul) sunt intr-adevar mai bune la plasme ( mai ales noua generatie de plasma TV de la Pioneer) dar ultima generatie de LCD au redus mult din diferenta.

imaginea din unghi este de asemenea similara cu plasma la ultima generatie de ecrane LCD. un alt avantaj al LCD este ca este aproape total lipsit de reflexie a luminii pe ecran. daca imaginea din unghi a unei plasma intr-o camera cu surse de lumina indirecta este marginal mai buna, intr-o camera obisnuita cu ferestre si surse de lumina care bat direct in ecranul plasma este mai proasta. asta pentru ca LCD si absorb lumina ( asta e motivul pentru care redau negrul mai slab).

LCD sunt inca un pic in urma plasmelor la redarea miscarii, dar asta este la nivele teoretice pentru ca ultimele generatii ale ambelor depasesc capacitatea ochiului si scoartei cerebrale vizuale de sesizare. plasmele au insa dezavantajul "burn-in" a imaginilor statice - o imagine oprita se imprima pe ecran pentru cateva secunde sau zeci de secunde dupa reluarea actiunii. ultimele generatii de plasma au insa mai putine probleme cu aceasta.

LCD-urile pot avea probleme cu pixeli morti/distrusi.

LCD-urile durata medie de functionare mai mare dar ultimele generatii de plasma au durata medie de functionare de 60000ore ( la 5 ore pe zi de utilizare, care e cam greu de realizat) te poti uita si la o plasma fo' 30 de ani... dar cine o sa tina un televizor pentru 30 de ani?

plasma sunt disponibile numai in ecrane cu diagonala peste 35-40.

la momentul si preturile actuale la ecrane sub 40-50 tzoli LCD-urile sunt de preferat. pentru ecrane mai mari e clar ca cea mai buna alegere sunt plasma. intre 40-si 50 tzoli este zona de competitie intre aceste sisteme.

LCD consuma cu aprox. 30% mai putina energie decat plasma de aceeasi marime.

principalii actori in plasma:
Matsushita Electronics ( detinatorii marcii Panasonic)- detin aprox 40% din piata mondiala, urmati de LG, Samsung, Hitachi si Pioneer.

principalii actori in LCD:
Samsung ( lideri de piata aprox. 30%), LG si Sharp ( Sony este asociat cu Samsung).

Philips achizitioneaza plasma de la LG si Panasonic iar LCD de la LG.

Pe ansamblu Coreea este producatorul mondial nr.1 atat in LCD cat si in plasma.

cel mai mare televizor plasma este anuntat de Panasonic pentru sezonul de Craciun - 102 tzoli (=262cm) iar pretul va fi de 70K USD... la ora actuala Panasonic este firma cu cele mai mari incasari din vanzarea de televizoare...


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guerilla
post Oct 1 2006, 08:56 AM
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ati scos din discutie tehnologia LED. care, daca ai o casa cat un depozit, iti poate furniza un TV cu diagonala de cativa metri fara nici o problema asupra contrastului, luminozitatii, etc.
problema e doar pretul biggrin.gif


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HalbaSus
post Oct 1 2006, 10:45 AM
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Pe mine sincer tehnologia televizoarelor m-a lasat destul de rece intotdeauna... ma interesa mai mult monitorul calculatorului decat al televizorului, nu sunt amator de "home cinema", in general nu ma prea uit la filme blush.gif mai mult documentare, stiri, cateva seriale si cam atat.
Acum cateva luni in schimb parintii mei si-au luat o plasma panasonic de 106 cm... (aveau deja si sistemul home cinema tot panasonic). Toate bune si frumoase, de claritate nu ma pot plange... DAR... din cauza formatului "mai dreptunghiular" al ecranului (adica mai lung decat lat biggrin.gif) e imposibil sa urmaresti un post tv fara distorsiuni. Practic ai 3 variante: imaginea e turtita, in acest caz toata lumea pare ceva mai grasa... dupa un timp te obisnuiesti dar oricum e ciudat, 2. imaginea e normala dar ai 2 dungi negre pe margine (destul de enervant) 3. imaginea e "marita" nu mai vezi marginile imaginii, iar daca e o emisiune cu subtitrare probabil nu o sa mai vezi o parte din scris. Asa ca pana una alta raman fanul tuburilor catodice... cel putin pentru marimi "decente" de pana in 70-80 de cm.


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Iulian HondaFan
post Oct 1 2006, 06:01 PM
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o sa se treaca la emisii in HDTV. aici sunt deja disponibile pentru unele programe. putin cam piperat - 12 programe (inclusiv Discovery HDTV care zic unii ca e "a life changing experience") + DVRecorder 23$ pe luna... DVrecorder este si el o chestie intersanta poti inregistra 3000 ore de programe TV ( fara a fi prezent acasa) sai cand te uiti la ele iti poate sari reclamele.

oricum e foarte bine pentru vizionarea DVD-urilor.

si un alt avantaj LCD este ca ai mufe de calculator, il poti folosi ca monitor sau pentru high-definition media de pe internet...

sunt lucruri extrem de interesante in multi-media zilelelor noastre...


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fishbone
post Oct 1 2006, 08:27 PM
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QUOTE(Impulse)
De retinut ca in cazul LCD imaginea este perfect vizibila 100% doar in cazul in care privesti perpendicular pe el si aproape imposibil de vizionat din alte unghiuri (in picioare, lateral, etc), in anumite situatii batand in negativ.

"Aproape imposibil" e cam puternic spus. Depinde la fiecare fabricant si fiecare monitor de ce "viewable angle" beneficiaza. Intr-adevar unele daca nu stai perfect in fata lor nu mai vezi nimic, dar asta nu e o limitare legata de LCD neaparat.
QUOTE
Imaginea nu este de aceeasi calitate ca a plasmei si este foarte sensibil la socuri, apasari, mici accidente, etc.

Sensibil in ce sens? Se distorsioneaza imaginea? Nope.
Panasonic Toughbook au LCD. Enough said.


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air_wolf
post Oct 1 2006, 08:27 PM
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din punct de vedere al conecticii si plasma si lcd-ul sint la fel, in functie de model si/sau producator.
cele mai misto plasme sint panasonicele iar lcd-uri sint cele de la sharp (mai putin cunoscute in ro).


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fishbone
post Oct 1 2006, 08:44 PM
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N-ai scris bine Sharp. Se scrie Samsung wink.gif


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Mandula
post Oct 1 2006, 08:48 PM
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De ce se prefera forma de 16/9 si nu aceea de 4/3 in ce priveste "ecranul" LCD-ului, respectiv al plasmei ? Eu nu am auzit sa existe asemenea scule pe 4/3.

Din ce cunosc (adik foarte putin), televiziunile, inclusiv cele de "afara", transmit in standard 4/3. Asa cum spunea si Halba mai sus, cu referire la Panasonicul parintilor lui, acest 16/9 implica cu necesitate fie deformarea imaginii, fie dungile negre in parti. Si sa vezi un meci de fotbal cu mingea ovala mi se pare o blasfemie !


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Iulian HondaFan
post Oct 1 2006, 10:41 PM
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QUOTE(fishbone)
N-ai scris bine Sharp. Se scrie Samsung wink.gif


nu, Sharp isi fac singuri LCD-urile. Sony LCD se scrie Samsung.


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Iulian HondaFan
post Oct 1 2006, 10:43 PM
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QUOTE(Mandula)
De ce se prefera forma de 16/9 si nu aceea de 4/3 in ce priveste "ecranul" LCD-ului, respectiv al plasmei ? Eu nu am auzit sa existe asemenea scule pe 4/3.

Din ce cunosc (adik foarte putin), televiziunile, inclusiv cele de "afara", transmit in standard 4/3. Asa cum spunea si Halba mai sus, cu referire la Panasonicul parintilor lui, acest 16/9 implica cu necesitate fie deformarea imaginii, fie dungile negre in parti. Si sa vezi un meci de fotbal cu mingea ovala mi se pare o blasfemie !


formatul de 16/9 este folosit la filme pe ecran sau DVD. cred ca asa a aparut formatul respectiv si in televiziune. nu stiu de ce sa te deranjeze dungile negre pe margine.


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f1anatic
post Oct 1 2006, 11:33 PM
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LCD ftw.

Nici eu nu sint preocupat de televizoare si calitatea imaginii....ci de cea la computer.

Nu am home video sistem...ca nu ma intereseaza. Asta nu inseamna ca nu am semnal digital (Direc TV, satelit) din 1998 si 3 dvd recorders, 4 dvd playere etc. Whatever...Am un proiector foarte bun cu resolutia de vreo 1000x 800 (XGA) si daca chiar vizionez ceva cu pretenii...am un perete alb intr-un colt intunecat.

In rest mai mult ma preocupa desktopul cu dual display 15 inch (4:3) si 17 inch wide screen. Arat cam gheto dar nu chiar pen' ca latura mica e la fel de mare si la unul si la alalat. Video capture card si pot lucra si vedea TV (satelit no less) in acelasi timp.


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Iulian HondaFan
post Oct 2 2006, 12:49 AM
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io am inca monitorul original de 17 tzoli al primului PC cumparat in dec. 1999... dealtfel si desktopul face 3 ani in curand. sunt inca multumit - Dell... probabil ca daca le schimb o sa trec pe laptop de 17"...

dealtfel si la capitolul TV sunt inca pe TV cu tub... am un Phillips HDTV din 2002 de care am fost multumit mai putin ca ecranul face o pata discreta pe centru de o vreme incoace... recent am dezbatut si cercetat dilema din titlu si am comandat un Sony Bravia LCD de 40" cu true HDTV care trebuie sa vina saptamana viitoare. principalul contracandidat a fost un plasma Hitachi. dupa ce le-am vazut pe amandoua in magazin am zis sa iau LCD desi e mai scump... criteriul principal a fost HDTV. cum barbatii au perceptia culorilor mai slaba nu renunt la mult... biggrin.gif

ca veni vorba de monitoare, iata un raport de piata ( asta ca sa stim ce se vinde zilele astea in lume):

QUOTE
After witnessing record unit volume shipments in Q4'05, the worldwide LCD desktop monitor dropped seasonally in Q1'06, falling 8.1% Q/Q to 28.9M units. Worldwide penetration rates of LCD monitors reached 74.7% for all desktop monitors in Q1'06.

Q1'06 showed a Q/Q increase of 60.9% in the shipment of wide desktop LCD monitors which accounted for 4.5% of the total world wide shipments compared to just over 1% a year ago at this time. Growth was particularly strong in the mid-size wide category including such sizes as 19"Wide, 20"Wide and 21"Wide, which were joined by a fourth entrant into this mid-size wide category this quarter: the 22"Wide size which is expected to hit the market in mass in coming quarters.

Penetration rates for LCD monitors show great regional differences, from Japan where 99% of monitors are LCD to Latin America where only 37% of monitors shipped in Q1'06 were LCD.
Research highlights include:

Dell remained the WW market leader in Q1'06 with a 19.0% share, despite seeing a Q/Q shipment decline of 9.2%. In North America, which is the world's second largest market for LCD monitors, Dell remained #1, although share dropped

Samsung, the #2 player in the market, was the only vendor in the top ten to show Q/Q growth, increasing their unit volume share from 11.3% to 12.4%. Samsung's growth was particularly strong in the Asia Pacific and Latin America regions where they saw Q/Q growth rates of 46.0% and 46.4%, respectively.

Acer remained the #3 unit volume leader by continuing to post unit share gains, increasing their NA market share from 6.0% in Q4'05 to 6.7% in Q1'06 despite only growing 4.2% in unit volume shipments in the quarter. N.B. Acer sunt o companie taiwaneza. blink.gif

Gateway dropped out of the top five; ViewSonic moved back in.


deci cool la monitoare sunt 19-22" late... blink.gif


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fishbone
post Oct 2 2006, 01:42 AM
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QUOTE(Iulian HondaFan)
QUOTE(fishbone)
N-ai scris bine Sharp. Se scrie Samsung wink.gif


nu, Sharp isi fac singuri LCD-urile. Sony LCD se scrie Samsung.

Gluma era alta, el a spus ca cele mai misto LCDs sunt de la Sharp ...


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f1anatic
post Oct 2 2006, 02:10 AM
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Ba...ce frecati mausu' atita pe internet de i'ati tocit ca fraierii laseru' sau bila...

Daca nu scrie Blaupunkt sau Siemens pe TV sau DVD player sau mai stiu eu ce..va spun eu ca sint proaste...un fel de ünterelectroniks...jafuri comerciale japoneze care imita tehnologia de virf germana.

Vreti sa va fac eu poze la lufturile de Sony si cele de la Siemens ?


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AZAZEL
post Oct 2 2006, 10:25 AM
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QUOTE(Impulse)
De retinut ca in cazul LCD imaginea este perfect vizibila 100% doar in cazul in care privesti perpendicular pe el si aproape imposibil de vizionat din alte unghiuri (in picioare, lateral, etc), in anumite situatii batand in negativ. LCD a mai evoluat dar nu intr-atat incat sa poata fi vazut de oriunde. Imaginea nu este de aceeasi calitate ca a plasmei si este foarte sensibil la socuri, apasari, mici accidente, etc.
.


dupa cum am spus sunt detinator de lcd samsung de 32 inch. imaginea este perfect vizibila din orice unghi!!
de asemenea la lcd nu apare situatia deranjanta ca la plasme: atunci cand este o imagine statica pe ecran mai mult timp, iar ulterior aceasta imagine se schimba , raman vizibile niste umbre din vechea imagine .

exact cum o spun altii mai specialisti decat noi, lcd-ul este solutia viitorului, iar plasma va pierde teren incet in fata lui


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G e o r g e
post Oct 2 2006, 11:39 AM
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eu am si plasma si lcd . ambele in jur de 10x cm .

ce va pot spune , imaginea este mai CLARA la lcd . culorile mai frumoase o idee la plasma .

ce imi place , lcd ul are hdtv si pc in ... este demential , este ca si cum ai avea un mega ecran la calculator ... biggrin.gif


GO GO GO LCD


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