Sony KDL-V40XBR1 40" LCD Display

Packed with the latest technology, Sony’s 40" KDL-V40XBR1 BRAVIA XBR LCD Flat Panel HDTV features the WEGA Engine system, which delivers superb picture quality from any video source minimizing signal deterioration. Other features such as WEGA GATE guide allow the user to easily navigate television functions: favorite channels, television channel lists and external input list of settings. The exciting PC Input function allows the user to connect a PC to the KDL-V40XBR1 for viewing PC activity in a 16:9 HD Resolution environment. And with Integrated HDTV capabilities, the user can enjoy digital programming with enhanced audio and video reproduction. Watch your living room come to life with Sony’s 40" KDL-V40XBR1 BRAVIA XBR LCD Flat Panel HDTV.

http://www.lcdtvbuyingguide.com/sony-lcd-tv/sony-kdlv40xbr1.html

Smart Frame Plus

In the standard 50 Hz PAL system, broadcasted TV shows don’t transmit enough frames for the eye to see a true continuous image. This is why you often experience jerky or blurry images on a PDP TV, especially in fast moving images or captions. So, our Smart Frame Plus adds 25 extra frames per second from the original signal source. Because of this unique technology, moving pictures look more natural and scrolling text is easier to read, as motion blurs are eliminated.

http://www.samsung.com/au/products/tv/plasmatv/ps_42c91hd.asp#filter

Silhouette Editor

Nothing communicates like the human face, and the new Samsung Plasma TV C9 ensures that every expression is seen. In fast moving scenes, curved surfaces such as faces and silhouettes can suffer from false contours due to differences in tone. To solve this problem, The new Samsung Plasma TV C9 applies Silhouette Editor to estimate movement and detect contours, immediately adjusting and correcting face tones. You enjoy clear images without distorted contour lines.

http://www.samsung.com/au/products/tv/plasmatv/ps_42c91hd.asp#filter

Plasma TV Samsung 42" C9 (PS42C91HD)

The Art of Cinema

Stylish Plasma TV 42"/106cm HD Plasma

FilterBright

Enjoy crisp, bright images in all light conditions with Samsung’s FilterBright technology, which absorbs external light and maximises internal brightness at the same time.

Movie Mode

Come home to the movies. The warm, mellow and natural atmosphere of the movies is made possible by a dynamic called ‘Colour Temperature'. Samsung’s Movie Mode reproduces this effect in the new Samsung Plasma TV C9 by establishing a colour temperature of 6500K. The result is a film-like atmosphere right in your own living room.

Natural True Colour


See the world as it really is. The new Samsung Plasma TV C9 ensures Natural True Colour with its 18-bit processing capacity, which can display an amazing 18 Quadrillion colours. While conventional TVs cannot express all colours as they were meant to be in nature, 18-bit colour processing increases the number of colours displayed so that gradations are more natural, and colours themselves are richer. As a result, The new Samsung Plasma TV C9 displays pictures that are as close as possible to the real thing.

http://www.samsung.com/au/products/tv/plasmatv/ps_42c91hd.asp#filter

Auto Wall Mount Compatible

Enjoy the best LCD TV from almost anywhere in the room with Samsung optional Auto Wall Mount. Control the angle and pitch of the wall mount conveniently from your couch with the N8 series remote control.

http://www.samsung.com/au/products/tv/lcdtv/la46n81bd.asp?page=Features

Anynet+ (HDMI-CEC) Intelligent Connectivity

Now you can operate your entire home theatre system with one-touch and a single remote control. The Anynet + HDMI –CEC ( Consumer Electronic Control) system carries control functions between all HDMI CEC compliant devices, delivering integration and control like never before.

http://www.samsung.com/au/products/tv/lcdtv/la46n81bd.asp?page=Features

3 HDMI Inputs

Three High Definition Multimedia interface (HDMI) connections create a multimedia centrepiece of your LCD TV. Connect HD devices such as Blu- Ray players, Games Consoles, laptop computers and digital cameras via the 2 rear and 1 side inputs.

http://www.samsung.com/au/products/tv/lcdtv/la46n81bd.asp?page=Features

Wide Colour Enhancer

With Samsungs N8 series LCD’s you will enjoy the most natural looking colours, even in bright areas of the screen. These brighter areas have greater luminance which can weaken colours, especially blues and greens. With Wide Colour Enhancer, blues and greens appear richer and more life like than on other LCD TV’s.

http://www.samsung.com/au/products/tv/lcdtv/la46n81bd.asp?page=Features

Built in HD Digital Tuner

The first thing you’ll notice about HDTV is the crystal clear picture, all in wide screen*. Samsung’s built-in HD tuner is packed with cutting edge fetures that let you enjoy razor sharp images for your favourite television shows.

http://www.samsung.com/au/products/tv/lcdtv/la46n81bd.asp?page=Features

LCD TV Samsung 46" N8 (LA46N81BDX)

Full High Definition 1080p Resolution

Samsung’s 1080p Full HD is the highest resolution you can get in an LCD TV. Full HD gives you 1.5 times the number of lines of detail than conventional HD, delivering depth, detail and clarity like never before.


10,000:1 Dynamic Contrast Ratio

Producing whiter whites and blacker blacks, our 10,000:1 Dynamic Contrast Ratio offers the crisper, brighter and more dramatic pictures on screen.

Movie Plus Imaging Engine

Samsung’s Movie Plus imaging engine creates fast action images without the judder often experienced with LCD TV’s. By calculating the incoming source, and interpolating the additional images required for 24, 25 or 30 frame per second movies, Movie Plus creates new images that eliminate the judder effect.

http://www.samsung.com/au/products/tv/lcdtv/la46n81bd.asp?page=Features

46" BRAVIA® XBR® series LCD Flat Panel HDTV

With cutting-edge resolution and reproduction the KDL-46XBR2 BRAVIA® XBR® LCD flat panel HDTV brings a spectacular picture right into your living room. Featuring advanced full digital HD video processing, 1080p picture quality and the Live Color Creation backlight system, you won't watch TV, you'll experience it. Add rich surround sound with digital enhancement and amplification, and you've got the best combination of picture and sound in a stunning 46"1 design.

BRAVIA Engine™ PRO Full Digital Video Processor
Presenting the next evolution of the BRAVIA Engine™ - BRAVIA Engine™ PRO. Sony improved on the great benefits of the BRAVIA Engine™ by adding a picture quality enhancement circuit called Digital Reality Creation Multi-function v2.5. DRC-MFv2.5 now has the added ability to process interlace and progressive video signals and because it has twice the processing power of previous DRC-MF circuits, it can do its processing and output them to 1080p. (Native 1080p input signals are not processed through DRC-MFv2.5.) Add to this the crisp details, outstanding contrast, eye popping colors, and dramatically reduced digital artifacts that DRC-MF circuitry is known for. And the best part of all is that DRC-MFv2.5 is user adjustable according to the video source. All of this helps define the reason why people want Sony TVs to begin with - unparalleled picture quality.

http://www.sonystyle.com/webapp/wcs/stores/servlet/ProductDisplay?catalogId=10551&storeId=10151&langId=-1&partNumber=KDL46XBR2

Sony BRAVIA™ KDL-46XBR2 46 in. HDTV LCD Television

How do you make superb picture quality even better?

Add the Live Color Creation backlight system to this 46"1 BRAVIA™ XBR® LCD Flat Panel HDTV.

For superior sound, tune into the TruSurround XT™ audio technology, along with digital audio enhancement and amplification.

Whether you’re watching sports, movies, TV or even a presentation direct from your PC, make it more dynamic and vibrant with the KDL-46XBR2


http://www1.shopping.com/xPC-Sony_KDL_46XBR2~PD-35422912~FD-96252~kworg-LCD%20TV~linkin_id-8028057~DMT-3~VK-8028057&OP=101

CHIMEI LCD TV

Model: DTL-742E600

Features:
High Resolution: 1920 x 1080
High Brightness: 500cd/m²
High Contrast: 1200:1
Fast Response Time: 6.5ms
Wide Screen Format: 16:9
Wide Viewing Angles: 176° (H) / 176° (V)

Screen Size
930.24(H) x 523.26(V)

Aspect Ratio
16:9

Pixel Pitch
0.1615 (H) X 0.4845 (V)

Panel Resolution
1920 x 1080

Brightness
500cd/m ²

Contrast Ratio (typ.)
1200:1

Viewing Angle
176 ° (H) / 176° (V)

http://www.chimei.com.sg/default.aspx?pageId=178

Power consumption on LCD TVs drops with new film

Chemical giant 3M says it can save the world 33 million barrels of oil, if LCD TV manufacturers adopt a new film it has created.

The company's Vikuiti Dual Brightness Enhancement Film D400, or DBEF D400, can cut power consumption in liquid-crystal display TVs by 20 to 30 percent without dropping brightness or picture quality, said Dave Iverson, business manager for LCD TVs at 3M, who spoke at the Society for Information Display conference here.

On an individual TV turned on four hours a day, a TV with DBEF D400 will use about 36.5 kilowatt-hours less per year than a standard LCD TV, Iverson said Wednesday. Over five years, that turns into 182.5 kilowatt-hours.

"This offers a proven way for manufacturers to meet increased demands for energy efficiency," he said.

Because TV manufacturers can put fewer bulbs inside these TVs, adding the film doesn't add costs, Iverson claimed. The savings from using fewer bulbs and other components to run these TVs can roughly equal the cost of the new film.
"We want this to be cost-neutral," he said.

DBEF D400 essentially recycles light. In LCD TVs, a series of light bulbs or LEDs are aimed at a polarizer. The polarizer absorbs about half the light. The remaining light then goes to a layer of LCD pixels and the light passes through another polarizer. Although the polarizers block light, they also manipulate light to create images. Without them, watching LCD TVs would be similar to staring at a light bulb.

The DBEF layer sits behind the first polarizer and bounces unused light back into the system. Thus, depending on how many bulbs are removed, an LCD TV with the material can provide a similar image using less energy, or a higher brightness with slightly less power saving.
In comparisons provided by 3M, a standard 37-inch LCD comes with 16 bulbs. The TV will consume 180 watts and sport an internal cavity temperature of 65.9 degrees Celsius. At roughly the same level of brightness, a DBEF D400 TV will run at 145 watts, 35 watts less, and come with a cavity temperature of 56.2 degrees Celsius.

Those watts add up. Over the next five years, an estimated 315 million LCD TVs measuring 21 inches and above will leave factories, Iverson said. Assuming DBEF D400 will save an average of 25 watts on each TV, the material will save 57.5 billion kilowatt hours worldwide over five years, if these TVs are watched on average for four hours a day (315 million TVs by 182.5 kilowatt hours per TV over five years).

That translates to 33 million barrels of oil or 23 million tons of coal.
Iverson did not say when TVs with the material would start coming out, but he indicated that it might be soon. 3M has worked with cell phone manufacturers and notebook makers on screens for several years.

"TV is a natural extension of our business," he said. "We've been in visual enhancement for a long time."

http://news.zdnet.com/2100-1040_22-6081049.html

LCD TV

LCD TV is a digital television system that displays digital video on an LCD (Liquid Crystal Display) and supports digital/analog video broadcasting (cable, satellite, terrestrial), broadband connection, personal video recording (PVR), interactive internet, and wireless connectivity

Core Subsystem include:

DSP - performs MPEG encoder/decoder, video, voice/AC3/MPEG audio processing.

RF Demodulation - performs COFDM/QAM/QPSK demodulation, Forward Error Correction (FEC) and video mux.

MCU - controls system electronic, network, and user interface.

Memory - stores executing code and data/parameters.

Video Interface - selects video source to be decoded/encoded by ADC/DAC and DSP.

Audio Interface - allows audio to be digitized by the audio codec and processed by DSP to provide high-quality audio for MPEG/AC3 requirements.

LCD Interface - parallel digital video is converted into serial data for transmitting to the TFT (Thin Film Transistor) controller via the LVDS (Low-Voltage Differential Signaling) transmitters and receivers.

The LCD display is controlled by the CCFL (Cold-Cathode Fluorescent Lamp) backlight and the TFT gate/source drivers.

Power Conversion - converts the input power from the AC adaptor to run various functional blocks.

http://focus.ti.com/vf/docs/blockdiagram.tsp?blockDiagramId=6010&family=vf

4 styles of HDTV

Once upon a time, when only analog, tube TVs were around, buying a new set used to be a whole lot less of a nerve-racking experience. Now, there are all sorts of questions. Do you go wide or not? Is LCD better than plasma? And what's the difference between rear-projection LCD, LCoS, and DLP HDTVs? If all the tech jargon has you confused, don't worry. Read our guide to the pros and cons of high-tech TVs, and you'll feel a whole lot more confident when you hit your local electronics store.

Direct-view (tube) TVs

Direct view is how industry insiders refer to any television that doesn't use projection technology. Many of them are the familiar tube TVs you see everywhere--they're called tubes because the glass forms the business end of a cathode-ray tube (CRT). Direct-view tube TVs can be found in sizes up to 36 inches (diagonal), and as their screen sizes increase, so do their heft and depth. Sony's 34-inch KD-34XBR960, for example, tips the scales at nearly 200 pounds, measures 24 inches deep, and requires a minimum of two--and probably three--burly guys to lift it onto a stand. Because of size and weight issues, it doesn't pay for companies to make larger tube TVs; they simply aren't practical.

High-end tube TVs can give a great-looking picture. CRTs are still the kings of black level, a term used to describe the quality and the depth of black, the darker the better. Direct-view tube sets look good from any angle, so unlike flat-panel LCDs and rear-projection sets, the picture quality doesn't change depending on where you sit. Compared with newer TV technologies, however, direct-view sets often look softer with high-definition material because they can't deliver as much detail. Most tubes won't accept high-resolution PC sources. Also, tubes suffer from more geometry errors than do flat-panel sets, which can make straight vertical and horizontal lines appear to bend onscreen.

http://www.cnet.com/4520-7874_1-5108443-1.html?tag=txt

LCD vs Plasma HDTV

LCD vs plasma HDTV – which is best? If you’re looking for a flat-screen, slim and sexy display, to watch HDTV, you have a choice of two technologies, LCD and gas plasma.

Each has benefits and disadvantages and so each is more appropriate in specific circumstances.
Historically, the LCD vs plasma HDTV choice has been fairly simple. If you wanted a flat-screen that was about 40in or bigger, you had to choose plasma, otherwise you should choose LCD. However, as LCD technology improves, LCD HDTVs are getting bigger and most of the major manufacturers expect the number of LCDs they produce to grow steadily over the next few years while the number of plasmas will decrease. However, if you’re looking for a flatscreen TV today, plasma still has a lot to offer.

To understand the LCD vs plasma HDTV question, we need to look at the way the two technologies work.

LCD

LCD HDTVs work by shining a light behind an LCD panel made up of a fixed number of pixels. Each pixel is either red, blue or green and is switched on or off when a voltage is applied to it. When voltage is applied to a pixel, it is switched off, meaning that light can’t shine through it.
The main advantage of LCD vs plasma HDTV is that LCD panels don’t suffer from what's called burn-in. This is a feature of plasma TVs where they are used to watch TV stations with logos permanently displayed on-screen or where they are used for video gaming with games that have static images such as a cockpit on flight simulators. The image literally ‘burns-in’ the screen meaning that even when the image is not present you can still see a faint trace of it on screen. So for video gamers in particular, LCD is a better choice than plasma.

Plasma

Plasma HDTVs have over a million chambers which house one or a combination of gasses. When a voltage is applied to one of these chambers the gas ionizes and emits ultra-violet light. This light strikes red, green or plue phophors coated on the inside of the chamber and a pixel emits this color light.

Plasma HDTVs tend to have better contrast than LCDs because, even when a pixel on an LCD panel is switched off it doesn’t block all the light coming through and therefore the pixel isn’t completely black. Plasma HDTVs also tend to have a wider viewing angle than LCDs, as on LCD HDTVs the contrast and colour of the image can change when the screen is viewed from different angles.

http://www.cyberconsumer.net/hdtv.htm

When is HDTV Not HDTV?

Despite the fact that HDTV has been around for a few years and that there are numerous books, magazines and websites dedicated to it, it can still be pretty confusing, particularly if you're not a technology geek. So, it's worth recapping just what constitutes HDTV.

In order to receive and watch an HDTV signal you need a number of things. Firstly, you need to be in a country and area where HDTV is broadcast, either over the air, by cable and by satellite. If you live in the US, you can almost certainly receive HDTV by one, if not all of these media. In Europe, you will be more limited. For example, in the UK you need to either sign-up to Telewest (cable) or Sky (satellite) to get HDTV (although you could invest in a Freesat box and receive satellite HDTV without a subscription).

Secondly you need a tuner that can receive HDTV. This will typically either be a cable, satellite, or off-air set-top box, but could also be an integrated HDTV, CableCard or Mac/PC HDTV tuner (usually either a PCI card or USB 2 peripheral).

Thirdly, you need a display which is capable of reproducing HDTV signals. To do this, it must have a vertical resolution of at least 720 pixels, be able to display progressive scan signals, and have a minimum width to height aspect ratio of 16:9. EDTVs have a vertical resolution of only 480 lines and so can't display HDTV signals at HDTV quality.

Finally, you need to be able to hook the three elements together. The key part here is that the TV must be connected to the tuner, if it's not built-in, by a medium capable of transferring high definition signals. For a TV or projector this means DVI, HDMI, or component connections — although if you choose component, you may run into trouble later on when watching signals encoded using particular HDCP. For a computer tuner, a PCI slot, USB 2 or FireWire interface will do the job.

http://www.cyberconsumer.net/hdtv.htm

Sony LCD TV

The new Sony BRAVIA KDL-46XBR2 LCD TV features full 1080p HDTV resolution and the renowned Sony XBR video quality which sets these TVs apart from the competition. Sony continues to improve their LCD TV line with the new BRAVIA Engine Pro full-digital, high definition processing circuitry and a new Wide Color Gamut Cold Cathode Fluorescent Lamp LCD backlight which improves color accuracy. Three digital HDMI inputs and 2 component video inputs, plus a 15-pin VGA PC input means you have all the connection options you need, and the new BRAVIA XBR LCD televisions include a table stand, and an impressive 22W stereo speaker system enhanced with SRS TruSurround. Sony's elegant "floating glass" bezel design looks impressive, even when this BRAVIA LCD TV is turned off.

Key Features of the Sony KDL-46XBR2 46" LCD TV Monitor

Sony 46" BRAVIA XBR LCD Television
ATSC Integrated Tuner
Full 1080p HDTV Resolution: 1920 x 1080p
16:9 HD Resolution S-PVA Panel
WEGA Engine System Image Processing
WCG-CCFL (Wide Color Gamut-CCFL) backlight for more accurate and vivid colours
WEGA GATE - Easy Operation Guide
Stylish, Elegant "Floating Glass" design; silver finish
PC Input
3 HDMI (High Definition Multimedia Interface) Inputs
S-Master Digital Amplifier
SRS TruSurround XT Equipped
Audio Output: 11W x 2
Side-mounted 22W stereo speakers
VESA Compliant Mounting Holes
On/Off Timer
Sleep timer
Light Sensor

http://www.lcdtvbuyingguide.com/sony-lcd-tv/sony-kdl46xbr2.html

Which is better, LCD TV or Plasma?

This is a much debated topic and a fun one. When choosing between plasma and LCD TVs, you're actually selecting between two competing technologies, both of which achieve similar features (i.e., ,bright crystal-clear images, super color-filled pictures) and come in similar packages (i.e., 3.5 inch depth flat screen casing). To complicate the decision-making process further, price and size are two previous considerations that are rapidly becoming non-issues as LCD TVs are now being made in larger sizes and at competing prices with plasma.

Despite their similarities, the two technologies are very different in the way they deliver the image to the viewer.

Plasma technology consists hundreds of thousands of individual pixel cells, which allow electric pulses (stemming from electrodes) to excite rare natural gases-usually xenon and neon-causing them to glow and produce light. This light illuminates the proper balance of red, green, or blue phosphors contained in each cell to display the proper color sequence from the light. Each pixel cell is essentially an individual microscopic florescent light bulb, receiving instruction from software contained on the rear electrostatic silicon board. Look very closely at a plasma TV and you can actually see the individual pixel cell coloration of red, green, and blue bars. You can also see the black ribs which separate each.

Whether spread across a flat-panel screen or placed in the heart of a projector, all LCD displays come from the same technological background. A matrix of thin-film transistors (TFTs) supplies voltage to liquid-crystal-filled cells sandwiched between two sheets of glass. When hit with an electrical charge, the crystals untwist to an exact degree to filter white light generated by a lamp behind the screen (for flat-panel TVs) or one projecting through a small LCD chip (for projection TVs). LCD TVs reproduce colors through a process of subtraction: They block out particular color wavelengths from the spectrum of white light until they're left with just the right color. And, it's the intensity of light permitted to pass through this liquid-crystal matrix that enables LCD televisions to display images chock-full of colors-or gradations of them.

http://www.lcdtvbuyingguide.com/lcdtv-plasmavslcd.shtml

How To Buy an LCD Television in 8 Easy Steps

Welcome to the LCD TV Buying Guide. Think of this as your guide to the latest and greatest in visual display technology. It is a resource that will help you choose the right LCD television or monitor for you-whether you intend to use it at home, for business, or in tradeshows.

With all the benefits of the Digital Revolution come some unavoidable complications, like being "on call" 24/7, and coping with computer glitches, … and buying a new (digital) TV set. Buying a television these days is no simple task, which is why we wrote this buying guide-to assist the average person on his or her path to becoming an educated consumer.

Our LCD Television Buying Guide will take you through everything you need to know and thus consider before you buy an LCD display-all in 8 easy-to-follow steps.

8 steps to buying an LCD TV

Step 1: What exactly is LCD TV?
Step 2: How do LCD Televisions work?
Step 3: What are the advantages of LCD Televisions?
Step 4: What do you need to consider before you buy your LCD TV?
Step 5: Installation Considerations
Step 6: View the Top 10 LCD Televisions
Step 7: How and Where to buy a LCD TV
Step 8: Find reputable online LCD Televisions Dealers

http://www.lcdtvbuyingguide.com/lcdtelevision/lcdtv.shtml

How To Buy A Plasma TV in 10 Easy Steps

Welcome to the Plasma TV Buying Guide's easy 10 step guide to buying a Plasma TV. Whether you're looking for a plasma television for your home theater or living room, or for a business display or tradeshow application, these 10 steps will guide you through the key factors in deciding which plasma television is right for you. We'll also guide you in finding the best price at a reputable plasma television dealer.

10 Steps to Buying a Plasma TV
Step 1: Plasma Display Technology
Step 2: Plasma TV Screen Sizes
Step 3: Is an HDTV Plasma worth the Extra Money?
Step 4: Plasma TV Audio Options
Step 5: Mounting Your Plasma TV
Step 6: Choosing a Plasma TV Brand and Model
Step 7: How and Where to Buy a Plasma
Step 8: Find an Online Plasma Dealer
Step 9: Plasma Television Installation
Step 10: Connecting Your Plasma TV

http://www.plasmatvbuyingguide.com/plasmatelevision.html

The DISADVANTAGES of Plasma vs LCD

1. Plasma TVs are more susceptible to burn-in of static images.

2. Plasma TVs generate more heat than LCDs, due to the need to light of phosphors to create the images.

3. Does not perform as well at higher altitudes.

4. Shorter display life span (about 30,000 hours or 8 hrs of viewing a day for 9 years) than LCD. However, screen life span is improving to as high as 60,000 hours. due to technology improvements.

http://hometheater.about.com/od/lcdtvfaqs/f/lcdfaq2.htm

The ADVANTAGES of Plasma over LCD

1. Larger screen size availability.

2. Better contrast ratio and ability to render deeper blacks.

3. Better color accuracy and saturation.

4. Better motion tracking (little or no motion lag in fast moving images).

http://hometheater.about.com/od/lcdtvfaqs/f/lcdfaq2.htm

What is the Difference Between an LCD TV and a Plasma TV?

Outward appearances are definitely deceiving when it comes to LCD and Plasma televisions. Although both types of televisions are flat and thin, they employ different technology in an attempt to deliver similar results.

Plasma TV Overview
Plasma television technology is based loosely on the fluorescent light bulb. The display itself consists of cells. Within each cell two glass panels are separated by a narrow gap in which neon-xenon gas is injected and sealed in plasma form during the manufacturing process. The gas is electrically charged at specific intervals when the Plasma set is in use. The charged gas then strikes red, green, and blue phosphors, thus creating a television image. Each group of red, green, and blue phosphors is called a pixel (picture element).

Although Plasma television technology eliminate the need for the bulky picture tube and electron beam scanning of traditional televisions, because it still employs the burning of phosphors to generate an image, Plasma televisions still suffer from some of the drawbacks of traditional televisions, such as heat generation and screen-burn of static images.

LCD TV Overview
LCD televisions, on the other hand, use a different technology (see also question #1 for this same explanation).

Basically, LCD panels are made of two layers of transparent material, which are polarized, and are "glued" together. One of the layers is coated with a special polymer that holds the individual liquid crystals. Current is then passed through individual crystals, which allow the crystals to pass or block light to create images. LCD crystals do not produce their own light, so an external light source, such as florescent bulb is needed for the image created by the LCD to become visible to the viewer.

Unlike standard CRT and Plasma televisions, since there are no phosphors that light up, less power is need for operation and the light source in an LCD television generates less heat than a Plasma or traditional television. Also, because of the nature of LCD technology, there is no radiation emitted from the screen itself

http://hometheater.about.com/od/lcdtvfaqs/f/lcdfaq2.htm

Advantages of LCD and plasma TVs

Crisp and clear
LCD and plasma screens have more pixels per square inch than a CRT (or "normal") TV, meaning you get a sharper image (it's worth remembering that, as with all TVs, some screens have better clarity than others)

They look good - even when turned off
Okay, so this might not be your first concern. But LCD and plasma TVs are sleek and slim, easily mounted on a wall or fitted snug against the side of your living room.

Wide viewing angle
Because LCD and plasma TVs are totally flat you can watch them from a wide angle

Save space, look sharp
LCD and plasma TVs are so compact that a 15" flat panel screen gives you the same amount of viewable screen as a traditional 17" CRT display.

Films, as they were meant to be seen
Plasma and LCD screens often come with a widescreen aspect ratio. Put simply, this means that you can watch movies and DVDs the way they were intended, and not "boxed" in to fit a CRT screen - perfect for a home cinema set-up.

No scan lines
Look closely at your traditional CRT television and you can see thin lines. LCD and plasma TVs do not have these.

http://direct.tesco.com/buyersguide/lcd%20versus%20plasma%20tv.aspx

The differences between LCD and plasma TVs

Although both offer similar advantages over traditional TVs, there are some key differences between LCD and plasma screens:

How does an LCD TV work?
LCD stands for Liquid Crystal Display. A network of hundreds of thousands of tiny LCD pixels sits behind the TV screen. Behind these pixels is a fluorescent white backlight. When the light hits the pixels, an electric current determines what colour appears on the screen, and the millions of tiny light variations make up the image that you see on your TV.

How does a plasma TV work?
Plasma screens are made of two sheets of glass, between which plasma (xenon and neon gas) fills thousands of tiny chambers. Behind each chamber are a series of red, blue and green phosphors. When electricity hits the plasma chambers, they emit invisible UV light, which then hits one of the coloured phosphors. This creates a visible image on the screen.

http://direct.tesco.com/buyersguide/lcd%20versus%20plasma%20tv.aspx

Plasma vs. CRT and LCD

Advantages of Plasma Display

Razor-sharp image clarity, rich vibrant color and shades of gray, sleek design -- there are so many features that make plasma so cool.

Digital Convergence

High-resolution data display for sharp imagery combined with excellent video capability for smooth movement. A 16:9 aspect ratio, and most, but not all, are compatible with DTV/HDTV.

Flat is Where It's At

No optics means no image distortion, even at edges and corners. Plasma displays a bright, uniform image in normal room light with an amazing 160-degree viewing area from all sides.

Thin By Design

An astonishing 3 to 6.5 inches thick, plasma can hang anywhere without interfering with room traffic. It's super sleek design may be unassuming, but it definitely makes a statement.

And more...

no viewing angle limitations
no projection "throw distance" limitations
high ambient light tolerance
accurate, distortion free images
video, computer and HDTV compatible
completely digital
unaffected by magnetism
extremely bright, for clear display in any light
thin profile saves space
free-standing, or can be mounted to a wall or ceiling

Plasma vs. CRT
clearer and sharper picture from edge-to-edge
uniform brightness on any area of the screen
flicker-free images
consume less power

Plasma vs. LCD
brighter picture
wider viewing angle

better color purity
higher contrast ratio

http://www.plasmapeople.com/plasma-advantages.asp

What is CRT, LCD and Plasma TV?

CRT TV

CRT or cathode ray tube televisions have been in production since the very beginning of the TV era. Productions of tubes from 5" diagonal to 40" diagonal have been accomplished and allow for a very inexpensive option for video displays in home theater systems. Although these products do not normally offer options to increase their resolution, they may be used in modest systems with good results.

LCD

ProjectorLCDs or Liquid Crystal Displays are designed for front or rear projection in conjunction with a screen similar to those required for slide or movie presentations. These devices include a projection lamp, an adjustable focal-length lens, and a special solid state panel that allow the video image to pass through the lens and illuminate the screen. These projectors are approximately double the cost of most rear projection sets; however most units are bright enough to allow for screen sizes in the 80" to 100" diagonal ranges. When making the choice to utilize any front projection device, it's important to note that a dark room must be maintained to achieve a proper black level. The screen to projector relationship is variable within ranges specified by the manufacturer, thus allowing for flexibility in placement.

Plasma TV

This new technology utilizes a unique display panel that alleviates the need for a cathode ray type picture tube. At the present time this type of TV is somewhat expensive. A major benefit of the plasma display is that it has been sized to accommodate new HDTV 16:9 aspect ratio's and is similar in pixel resolution to a personal computer monitor, thus allowing drastically improved picture clarity.

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