First of all, LCD and LED are used in the same TVs. It's just that the LCD screen is LED backlit. So the true name is LCD/LED-backlit TV. The LCD (liquid crystal display) uses tiny gel-like crystals positioned in front of a light source, most commonly the LEDs. Changing the shape of the crystal changes the colour it produces.
Plasma on the other hand, works sort of like the old CRT technology. Tiny cells held between two panels of glass hold a mixture of noble gases (gases which don't react to other gases). Electrifying the gases turns it into plasma which emit UV light to excite phosphors which in turn emit visible light. Different UV wavelengths would produce different colours.
On a final note, plasma is considered a "failed technology". It works but it had many problems such as overheating. Should you be looking to buy a TV, go LCD.
They dpon't make LED screens yet just LCD and plasma screens.
LCD are little lights for each and every pixel, while plasma has two pieces of glass with plasma between the two.
plasma get hotter then LCD or led and plasma has some gasses in it
http://www.buzzle.com/articles/difference-between-lcd-and-plasma-tv.html This site will explain it all. Good Luck!
Televisions can be compared on the Samsung website. There is a page describing the difference between LCD, LED, and Plasma so that you can determine what you need or want.
The difference between led hdtv and lcd hdtv is that the led uses led lighting instead of lcd lighting that's used in computers and cell phones. the lcd hdtv is the oldest model and the led is the newest. With the led the picture is clearer.
lcd having more life then led.
There's not much of a difference, the quality really depends on the brand. The biggest difference between LED and LCD is that LCD has fluorescent lamps in it and LED has LED lights in the back of the screen.
We prefer LCD. We have two and they are great. LCD is the only way to go Plasma TVs are better for viewing rooms where you can control the lighting. If glare is an issue then go for an LCD
The difference between plasma and lcd TV is the type of material that is used to project the image. LCD has a good image but plasma has a better image. The only problem with plasma is that there is a greater chance of burning an image into the screen from overuse. LCD screens emit no light of their own, they need to be back lit by flourescent tubes or White LED's. They are cheaper to make, reasonably robust and lighter than a Plasma. Plasma screens are expensive, delicate, heavy, run hot, use lots of power, made of glass and emit their own light via the plasma trapped in individual cells. Plasma's used to have the better light output and definition, but LCD technology is fast catching up.
There are many website available that explain the differences between LCD and LED HDTVs. Try this we blink at http://lcdtvbuyingguide.com/HDTV/led-vs-lcd.html
there are 3 different kinds of HD TV's: LCD, Plasma, and DLP. LCD's are best value for the smaller HD's (like under 42"), Plasma is best for like 42 - 56", and DLP is best for anything really big. They are all capable of 720p and 1080p. The only hidden cost is the extra cost you have to pay to your cable company to get HD programming. Of course you can still get regular crappy old programming on it for no extra cost, and you can get HD programming over the air for free, but depending on where you live, there'll probably only be a few channels and it will be stuff like ABC, NBC, you know, the typical over-the-air programming.