The Difference Between Lcd And Plasma Televisions
The Difference Between Lcd And Plasma televisions
How Plasma Televisions Work
There's nothing like watching your favorite sports activity on a big screen plasma, high definition TV. High definition means having a lot more pixels than Standard Definition. Much like a 600 DPI printer will give you much greater detail than a 300 DPI printer, a high definition television will be able to display a lot more dots on the screen than a standard TV. The result - much better picture quality.
The two primary kinds of flatscreen tvs are plasma and LCD. Along with their other benefits, both of these sets showcase exceptional picture quality. Of the two, it's generally conceded that the LCD technology produces a better overall image quality - especially in terms of color saturations and more naturalistic skin tones. However, the plasma models have the advantage in a better "black level" displays which makes the image crisper and clear. Both LCD and plasma televisions have their adherents. Which one is better for you is a matter of personal preference which only you can determine.
Old style CRT televisions used a cathode ray or electron gun to paint the screen with a picture. The newer plasma style televisions work on a different principle
The higher resolution of plasma televisions are because plasma TVs do not use scan lines. Instead a plasma tv is pixel based. The pixels form a matrix of cells or transistor electrodes filled with an inert gas. The cells are coated with phosphorous and are sensitive to electrical current and emit red, green and blue lights in response to electric current.
The cells are activated when the TV is turned on and de-activated when the TV is turned off. Just as in computer screens, these three primary colors can create all the colors needed. The end result is a crystal clear and smooth image being displayed on the screen. But another reason for the stellar picture quality of plasma TVs is that while CRT televisions can display images in thousands of colors, plasma televisions can produce millions of colors.
Most plasma televisions also have a built in line doubler. A line doubler takes an interlaced video source and strip out the extra lines to create a single-interlaced frame output. Essentially it "doubles" the resolution of a regular TV signal. The result is a smoother and higher resolution image. Since plasma televisions cannot play interlaced signals directly, they use a line-doubler to change the signal into a form that they can read. There are various algorithms to "deinterlace" a signal and the quality of the resulting image depends to a large extent on which algorithm is used.
People with CRT screens, sometimes have a problem with glare, especially when watching TV in a room filled with sunlight. This is mostly due to the curvature of the screen. Most of the flat screen models, now available, have pretty much eliminated this problem.
Another advantage of these TVs is that because of the flat screen, they aren't susceptible to the image distortions that CRT televisions are subject to. So no matter where you view the picture from, you get a true view of the picture.
About the Author
James Fraley writes articles on electronics and related subjects. Click here to find his article on panasonic plasma television.
what is the technical difference between LCD and PLASMA television,?
In LCD TV there are sheets of polarized transparent material, one with a special polymer coating that holds liquid crystals, are adhered together. Electric current is passed through individual crystals, which interpret the information from the broadcast signal to allow or disallow light through them to create an image. The crystals themselves do not produce light, so the technology is "non-emissive" and therefore does not give off radiation like an older television does. Fluorescent tubes housed behind the transparent material illuminate the image. They require less power to operate than plasma televisions
Plasma is a flat and lightweight surface covered with millions of tiny glass bubbles. Each bubble contains a gas-like substance, the plasma, and has a phosphor coating. Think of the bubbles as the pixels. Each pixel-bubble as having three sub-pixels - one red, one green, one blue. When it is time to display an image signal (RGB or video), a digitally controlled electric current flows through the flat screen, causing the plasma inside designated bubbles to give off ultraviolet rays. This light in turn causes the phosphor coatings to glow the appropriate color. Millions of RGB bubbles glow and dim to make a rich, vivid image on plasma TV.
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The Difference Between Lcd And Plasma Televisions
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Panasonic VIERA TC-P60ST50 60-Inch 1080p Full HD 3D Plasma TV List Price: Sale Price: Too low to display  |
DescriptionThe ST50 series features 1080p Full HD resolution, an Infinite Black Pro Panel, and VIERA Connect with web browser and built-in Wi-Fi. Other unique features include 2D to 3D conversion and 2500 focused field drive... |
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Samsung PN60E550 60-Inch 1080p 600Hz 3D Slim Plasma HDTV (Black) List Price: Sale Price: $1,397.99 |
Description[Samsung Plasma Comparison Chart] Samsung delivers the connected power of Smart TV, along with amazing 3D in the Plasma 5 Series. Samsung Smart TV is your portal to online content, sharing and chatting with friends, plus streaming movies, music – and so much more... |
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LG 50PA6500 50-inch 1080p 600 Hz Plasma HDTV List Price: Sale Price: $749.00 |
DescriptionBring the theater experience home. LG's PA6500 SERIES 1080p PLASMA HDTV FEATURING TruSlim FRAME If you want entertainment so life like you'll feel like you can reach out and touch it, or a picture so vibrant and clear that you'll forget you're watching TV, then you want the PA6500 1080p Plasma TV from LG... |
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LG 42PA4500 42-Inch 720p 600 Hz Plasma HDTV List Price: Sale Price: Too low to display |
DescriptionSimply Stunning LG's PA4500 SERIESPLASMA HDTV FEATURING TruSlim FRAME You know what it is you enjoy. You get into sports, fast-action and entertainment that's displayed in life like resolution. With a 600Hz refresh rate and HD picture quality, the PA4500 takes that enjoyment and boosts it to new levels... |
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LG 50PA4500 50-Inch 720p 600 Hz Plasma HDTV List Price: Sale Price: Too low to display |
DescriptionSimply Stunning LG's PA4500 SERIESPLASMA HDTV FEATURING TruSlim FRAME You know what it is you enjoy. You get into sports, fast-action and entertainment that's displayed in life like resolution. With a 600Hz refresh rate and HD picture quality, the PA4500 takes that enjoyment and boosts it to new levels... |
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LG 60PA6500 60-Inch 1080p 600 Hz Plasma HDTV List Price: Sale Price: $1,150.00 |
DescriptionBring the theater experience home. LG's PA6500 SERIES 1080p PLASMA HDTV FEATURING TruSlim FRAME If you want entertainment so life like you'll feel like you can reach out and touch it, or a picture so vibrant and clear that you'll forget you're watching TV, then you want the PA6500 1080p Plasma TV from LG... |
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Panasonic VIERA TC-P50U50 50-Inch 1080p Full HD Plasma TV List Price: Sale Price: Too low to display |
DescriptionThe U50 is the lone non-3D in Panasonic's 2012 HDTV Plasma model line-up. The model features 1080p Full HD resolution, fast-switching phosphors, media player, and 600Hz sub-field drive. Operate Multiple Systems with Just One Remote Control through VIERA Link The UT50 features VIERA Link, a technology that allows a consumer to operate all VIERA Link compatible AV components using only the TV’S remote control... |
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Samsung PN51E550 51-Inch 1080p 600 Hz 3D Slim Plasma HDTV (Black) List Price: Sale Price: $947.99 |
Description[Samsung Plasma Comparison Chart] Samsung delivers the connected power of Smart TV, along with amazing 3D in the Plasma 5 Series. Samsung Smart TV is your portal to online content, sharing and chatting with friends, plus streaming movies, music – and so much more... |
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LG 60PV450 60-Inch 1080p 600 Hz Plasma HDTV List Price: Sale Price: Too low to display |
DescriptionGet into Full HD because you want the highest resolution and a great way to watch sports and fast action with an amazingly clear picture. Demand it and get it with the PV450. It's got a top-notch 600Hz refresh rate that virtually eliminates blur during fast action and it gives you the highest resolution available with 1080p Full HD... |
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Panasonic VIERA TC-P55ST50 55-Inch 1080p Full HD 3D Plasma TV List Price: Sale Price: $1,438.00 |
DescriptionThe ST50 series features 1080p Full HD resolution, an Infinite Black Pro Panel, and VIERA Connect with web browser and built-in Wi-Fi. Other unique features include 2D to 3D conversion and 2500 focused field drive... |
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