Salut la toata lumea,
Am deschis acest thread deoarece imi este greu sa iau o decizie fata de ce TV sa-mi iau. Am citit ceva materiale pe net plusuri si minusuri la fiecare, dar parca tot spre LCD tind. De ce? Poate din cauza ca am citit de prea multe probleme care pot aparea la acesta. Necesita prea multa GRIJA si ATENTIE. Pe de alta parte, voi folosi LCD-ul in foarte mare masura si pt filme blueray pe PS3 conectat cu tv-ul printr-un cablu hdmi, deci rezolutia 1080p pe HD este 'a must have'. Din cate m-am documentat o plasma ajunge la rez asta doar de la 50" in sus, pe cand la LCD-uri o gasim inca de la 40".
Am reusit sa fac un mic 'survey' pe care il gasiti mai jos si poate fiecare dintre noi vine cu argumente pro/contra lcd-urilor/plasmelor pentru a putea avea un 'ghid al cumparatorului'
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SCREEN BURN IN
LCD technology is not prone to screen "burn-in" or "ghosting" (premature aging of pixel cells) due to the nature of the technologies "twisting crystals."
With plasma displays, static images will begin to "burn-in," or permanently etch the color being displayed into the glass display element. The time it takes for this to occur depends greatly on the anti burn-in technology of the manufacturer. Recent improvements by plasma manufacturers have certainly extended the time it takes to burn in a plasma pixel cell. In the past I was concerned to place a DVD on pause 15 minutes. Now, many of the enhancements such as better green phosphor material, and motion adaptive anti burn-in technology are greatly reducing the risk of burn in. It’s gotten so much better that I don’t even worry about it anymore. In a new model plasma from any top tier manufacturer I would put "ghosting" estimates at an hour or more now (Ghosting can be "washed" out by displaying static gray material). Permanent burn-in I would put at more than 10 hours.
O frica personala daca mi-as lua plasma as avea de fiecare data cand plec din camera sa nu cumva sa il uit deschis pe ceva static. De exemplu cand ma joc la PS3 … il las pe pauza 1h.
Plasma, on the other hand, utilizes slight electric currents to excite a combination of noble gases (i.e., argon, neon, xenon), which glow red, blue, and/or green. This is an essentially active phenomenon, so the phosphoric elements in plasma displays fade over time. Many manufacturers state a new half life of 60,000 hours. While I am skeptical of this spec, I do believe strides have been made to nearly even the playing field with LCD. At half life, the phosphors in a plasma screen will glow half as brightly as they did when the set was new. There is no way to replace these gases; the display simply continues to grow dimmer with use.
Plasma la halflife (jumatatea duratei vietii date de producator) incepe sa ‘se stinga’ sa fie din ce in ce mai putin luminat (brightness si contrast). E un risc, oricum il schimbi in vreo 4 ani ….. dar daca dupa 2 ani incepe sa ti se para ca se vede mai neluminat? Eu personal nu suport sa tin tv-ul la max contrast sau brightness, le tin pe 50% toate, saturation, color, brigtness, contrast, sharpness, etc. Am paranoia ca se uzeaza daca il TIN LA MAXIM
LCD displays will have a higher resolution per same size comparison than plasma. The lowest resolution of a 40 inch LCD will be 1366 X 768 – easily full HD resolution in 1080i or 720p. A 42 inch HD plasma has a resolution of 1024 X 768. While this is not truly an HDTV resolution, it’s close enough so that it’s difficult to detect the difference. A 50 inch plasma TV will have an HD resolution of 1366 X 768 and now many also have 1920 X 1080, while a 45 inch LCD displays 1920 X 1080 (1080P) resolution.
Those extra pixels and the production process of LCDs cost more money to produce. Expect to pay a third as much more for a similar size LCD than a plasma TV.
Asta pt mine personal, care voi folosi tv-ul pt HDMI, este un mare minus la PLASMA. Rezolutia mare o pot obtine de abia la plasme gigantice si totusi cu unghi de vedere mai mic. Citeste si tu …
CONCLUZIA MEA:
- Plasma se vede mai bine la TV si poate modelele foarte mari pe HDMI. Ideea este ca se vede bine noaptea, fara surse de lumina prin jur, se vede mai colorat si saturat poate decat un lcd, DAR cu timpul scade din luminozitate plus toate problemele insirate mai sus. Problema cea mai mare este ca nu scade dupa 5 ani de utilizare, ci scade treptat, din an in an.
- Plasma cu siguranta in prima perioada de utilizare poate s-ar vedea mai misto .. nici asta nu sunt sigur, DAR frica ca se poate strica din x motive mult mai repede decat LCD-ul ma sperie.
Plasmele tind sa fie mai sensibile din x motive, nu durata de viata, ci si alte motive expuse mai sus. M-am gandit ca nu vreau sa imi asum riscul asta atat de mare pt o calitate nevizibil mai mica care in plus dispare in timp.