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The modern day customer is an unsatisfied soul who is ready to pay money for products and services that he desires. The customers are willing to pay a price for gadgets that are high on technology and performance; at the end of the day, a definite improvement in their life styles is all that they would want. One could take the case of LCD television sets to illustrate the point. The television sets having LCD displays have a wider scope in comparison to the traditional TV sets, and more and more people are showing their affinity for the former.The LCD TV works well on a host of high-end innovations and advanced technologies. It uses the Liquid Crystal Display technology for displaying the visual output. As a matter of fact, the LCD technology is based on the properties of polarized light.
The TFT based TV allows the users to enjoy the ultimate viewing experience in terms of --dept reduction, minimized energy consumption and low light. Unlike pre-existing TVs, the LCD screen offers exceptional resolution and contrast ratio that is much in demand among the viewers.Samsung is a well known name in the world of LCD panels. With its advanced screen technology, Samsung models are constantly receiving the positive reviews from all parts of the world. Some of the bestseller models from the Samsung are LN-T4665F, LA 19R71, LA 26R71, LA32S8 and LA 40S8 to name a few. Moreover, these liquid crystal displays can be combined with applications from Microsoft to create a special game mode that optimizes the image quality and sound response time for realistic video game play.
The screens of the LCD TV are high on image resolution and offer crystal-clear displays as well as distortion-free sound transmission. These screen boasts of dynamic high contrast ratio that displays rich black and can capture even the nuances. Not only this, the users are able to enjoy connectivity with all the compatible digital devices. Therefore, it can be said that LCD screens deliver reliable, high-end, and consistent performance-based results to their customers.To conclude, it can be said that LCD TV sets represent an exciting synthesis of design and technology.
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As you search for the perfect HDTV, you'll come across dozens of different terms that explain different types of technology, different styles of display and different levels of quality. One term that you will need to be familiar with is the screen resolution. An HDTV picture is made up of many small dots, or "pixels", and the amount of pixels that are used to make the picture is referred to as the resolution. In general, the more pixels, the better, and since an HDTV has more pixels than a regular TV, that's one of the things that makes it better.
There are two different levels of resolution commonly used in modern HDTVs. The lower one is called "720p", which means that there are 720 rows of pixels and it's a progressive display. In a typical widescreen HDTV, each row has 1280 pixels. The higher resolution, 1080p, means 1080 rows of pixels, usually with 1920 pixels per row.
What, you may ask, is a progressive display? In a progressive display, 30 times a second, the screen shows the full picture, then erases it to make room for the next frame. The other way to show a picture is with an "integrated display". That's where the TV draws the even rows of the picture on the screen, then the odd rows, then the even rows of the next frame, and so on. This technique has been used in regular TV sets for decades, because it takes about half as much effort and looks almost as good as a progressive display. Now that we have better technology, though, we can make every HDTV with a progressive display and bring picture quality up to the highest possible level. TV shows are still usually broadcast in an integrated format because it takes less bandwidth, but an HDTV will always "de-interlace" these shows to display progressively onscreen.
HDTV Technology - Should I Get a 1080p or 720p HDTV?If you want to get a really big HDTV, you'll want to seriously consider 1080p resolution. In any set larger than 50 inches, a lower resolution will look choppy, since you'll be able to see individual pixels.
So, it would seem that 1080p is clearly better, and 720p is not really worth considering. But, there are actually some good reasons to choose 720p over 1080p:
Input source.
You will only get the full benefit of a 1080p HDTV if you are watching 1080p content. Almost all TV broadcasts are still in 720p or 1080i, so a 720p set will handle them fine.
Screen size.
If the screen size is smaller than 50 inches, it will be very hard to tell the difference between 720p and 1080p. At a normal viewing distance, they will look essentially the same.
Cost.
A 1080p set will almost always cost more than a similar set built with 720p resolution. If you can't see much difference in picture quality, why spend more?
Other factors.
When looking at the big picture in your HDTV purchase, the screen resolution is only one factor. Contrast ratio, black level, likelihood of problems and even customer service can all be more important factors than screen resolution. Don't let one exciting feature convince you to buy an inferior set.
The best way to get that big picture is to do research on the internet, look at HDTV reviews, see the sets in person if possible, and think about the factors that are really important to you. Using an online HDTV tutorial can also help point you in the right direction.
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Thinking of buying an LED TV, well....Stop! Before you spend in excess of 00, you need to cut through the jargon and hype to truly understand the technology that you're actually spending your hard earned money on. TV manufacturers and the media are very good at convincing us that the latest products incorporate the most cutting edge technology and are a must have. Lets get real here, to the average consumer most of this jargon is just down right confusing.
A new range of LED TVs that have hit the market with a big buzz. Samsung have crept through the backdoor and have released the 7000 series range boasting LED technology.
That's great...but what is this LED technology thats being boasted?
LED TV - Don't Be Fooled, Understand the Technology FirstCurrent LED TVs - The Truth The term 'LED' stands for Light Emitting Diode and as you may well know LEDs are used in many of our devices at present, however in terms of the current line of LED TVs, the actual LEDs are used for the backlight of the TV ONLY and not the TV display themselves. If you consider that current TV technology uses CCFL (Cold Cathode Fluorecent Lamps), there is no doubt that an LED backlight is a more efficient form of backlight.
However, the important point here is that the LED television's display is actually LCD (Liquid Crystal Display), it is the backlight only that is made up of LEDs. So there are two major technologies at use here; LCD for the display and LED for the backlight. In essence a more advanced form of LCD TV.
When you compare this technology to a true LED display TV. Displays such as OLED (Organic Light Emitting Diode) will self illuminate, utilizing an internal thin layer of LED for its display only.
The fact that the 'LED TV' term has been used to describe a type of LCD TV is a cunning move on Samsungs part, but genius in terms of marketing, since it capitalises on the current buzz in the TV market of true LED display TVs such as Sony's XEL-1 OLED TV.
LCD TVs with LED Backlights - The Improvements Now that we've established that this is LCD TV with an LED backlight, lets look at how this new range of TV improves on current TV technology such as plasma and standard LCD in 3 key areas:
1. Picture Quality Quite simply, the picture quality has been improved over standard LCD and Plasma, because the range of colours have increased. The utilization of Light Emitting Diodes as a light source instead of traditional lamps provides a higher contrast ratio because the LED produces blacker blacks and whiter whites, this is the key to achieving quality images on screen.
2. Environment LED Technology consumes less power than current backlight TV technology, making a saving on your energy bills.
3. Slimmer Models. Since no provision for a conventional light source is required, LED TVs can be made ultra thin, this makes for a thin, sleek, more attractive model.
Decisions, Decisions If you are in the market for a TV now and want a picture quality in advance of current standard LCD and Plasma ranges on the market, then you cannot go far wrong with an LED TV.
However, if you are in no hurray to purchase a television at this present time and require a TV with technology that will keep it at the forefront of cutting edge, in terms of LED technology, OLED TV is the real deal. Laser TV is another option to explore.
Both are emerging technologies and require patience as they find their place in the market with the correct size screens for your home. These TVs may also require you to dig a little deeper into your bank balance.
The moral of the story is to understand the technology behind the product in great detail before you part with your money, the choice is yours.
Both kinds of televisions are derived from the modern advancement in home entertainment and technology. They are way thinner that the traditional cathode ray tube televisions and they offer better picture quality and brighter and clearer resolutions.
But which one is really better? Is it a win for the Plasma TV or the LCD TV? Their prices may be close but features can be really far different from each other.
They actually have really different technologies. The answer to which one is better will depend mostly on how the consumers plan to use the unit.
Choose the Latest Technology - Plasma TV Or LCD?Plasma TVs are usually made of millions of tiny pixels in the RGB or Red-Green-Blue color scheme. These three colors combine to produce millions and millions of color variations.
There are two panels in a Plasma TV that are packed in between with xenon or neon gas. Light is generated when electricity passes through the gas and converts it into a liquid form. The light illuminates the pixels thus creating an image. This happens very quickly with about 50 frames in every second.
It is often recommended to obtain a Plasma TV for the purpose of watching movies. It is believed to have higher color resolution and clearer picture image than an LCD television.
LCD televisions, on the other hand, are filled with liquid crystals. These crystals, when passed by electricity, allows light to enter or be filtered. Various wavelengths of lights are then blocked resulting to the display of different colors. It is somewhat similar to how a prism works.
LCD TVs, like the Samsung Lcd Tv 7 Series, are mostly recommended for playing computer games and hobbies such as digital photography. It has a better response time compared to a Plasma TV. Additionally, an LCD TV can be used as replacement for a computer monitor.
Both Plasma TV and LCD TV have their advantages and disadvantages. Just like what I have said earlier, the deciding factor is primarily the customer's usage intention and needs.
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Both kinds of televisions are derived from the modern advancement in home entertainment and technology. They are way thinner that the traditional cathode ray tube televisions and they offer better picture quality and brighter and clearer resolutions.
But which one is really better? Is it a win for the Plasma TV or the LCD TV? Their prices may be close but features can be really far different from each other.
They actually have really different technologies. The answer to which one is better will depend mostly on how the consumers plan to use the unit.
Choose the Latest Technology - Plasma TV Or LCD?Plasma TVs are usually made of millions of tiny pixels in the RGB or Red-Green-Blue color scheme. These three colors combine to produce millions and millions of color variations.
There are two panels in a Plasma TV that are packed in between with xenon or neon gas. Light is generated when electricity passes through the gas and converts it into a liquid form. The light illuminates the pixels thus creating an image. This happens very quickly with about 50 frames in every second.
It is often recommended to obtain a Plasma TV for the purpose of watching movies. It is believed to have higher color resolution and clearer picture image than an LCD television.
LCD televisions, on the other hand, are filled with liquid crystals. These crystals, when passed by electricity, allows light to enter or be filtered. Various wavelengths of lights are then blocked resulting to the display of different colors. It is somewhat similar to how a prism works.
LCD TVs, like the Samsung Lcd Tv 7 Series, are mostly recommended for playing computer games and hobbies such as digital photography. It has a better response time compared to a Plasma TV. Additionally, an LCD TV can be used as replacement for a computer monitor.
Both Plasma TV and LCD TV have their advantages and disadvantages. Just like what I have said earlier, the deciding factor is primarily the customer's usage intention and needs.
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Screen burn-in is quite common in plasma TVs since they are phosphor based display systems. This is because, the physical properties of the phosphors tend to get affected by attributes such as light and electric impulse. As a result of this, plasma TVs are extremely sensitive to image retention. This problem occurs due to an uneven wear of the phosphors in the display and can very much distort the pictures. Screen burn-in in a plasma TV screen will make the areas of the screen that are lighted the least appear brighter when compared to the parts that actually displayed a bright image. The result of this is an apparent after-image.
So, pictures have to be viewed with a lot of strain and a great deal of attention as the original image tends to get overridden by the burn-in. When one is watching action movies or playing high definition video games wherein certain images are stationary for quite some time, the first image in the sequence gets burnt-in leaving the images that follow glazed over.
If an image is displayed in the screen for a long period of time, the pixels tend to get burnt in to the screen, which makes them deprived of their visual effects as well as originality. Therefore, one should switch off the TV's power when not in use. During non-operation, the pixels of a plasma TV will not work, thus preventing the burn-in effect. This way, you can also extend the life of the appliance.
Screen Burn in Plasma TV TechnologyIt's true that screen burn-in problems were known to have affected the performance of plasma TVs to a great extent in the past. But the issue is becoming less of a problem in the more recent models as manufacturers have developed a lot of new technologies that deal with the problem effectively. For example, the 'motion-adaptive technique' shifts all the pixels to the minutest of degrees such that screen burn-in is prevented significantly. Certain top manufacturers also make use of 'grey masking' to combat burn-in issues.
Some plasma TVs come with 'white screen' options, which can get rid of screen burn-in problems to a certain extent. There are a variety of other features also, which when efficiently controlled can reduce burning in effects as well as result in high quality images. For example, if the TV's contrast and brightness are reduced when the set is new, it can do us good in two ways - the pictures will be enhanced and the pixels will work far better. You can also turn on the screen saver feature of your DVD player, switch channels constantly and avoid continuous viewing of programmes that constantly display non-transparent logos to save your precious plasma TV from screen burn-in issues.
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LED stands for Light-Emitting Diode and contrary to what a lot of people think, it is not a new TV technology. It is simply another way to light the LCD - Liquid Crystal Display. A liquid crystal display is a glass that works by controlling the capacity of its segments (pixels) by varying the electrical signal. Each segment (pixel) acts as a shutter to control the amount of light being passed through. The fundamental difference between an LCD TV technology and an LED TV technology is the source of light that pass through these pixels.
LCD TV Technology
On LCD TV displays, fluorescent lights are used to back-light screens. LCD TVs use a Cold-Cathode Flourescent Lamp (CCFL), which are lamps that can, and are used by some people to light their homes. To back-light a television, a series of these lights are horizontally laid across the back of the television. The light is distributed evenly onto the glass panel by a plastic sheet placed in front of the light and for the most part, produces a clear image on your screen. However, creating a true black picture is often difficult with the LCD technology. This is because to darken a screen the light source must be blocked out, and with LCD, the light is continuously on. Manufacturers get through this by blocking out the light source with a screen is darkened, but with most televisions, the light bleeds through, hence never allows for a true-black image.
LED TV TechnologyLED TV Technology
LED TV technology on the other hand use tubes (LEDs) which are smaller than CCFL tube to produce the light. There are two styles of LED lighting - edge and direct mount.
Edge lighting arranges the LEDs along the edge of the television panel. As a result of the tubes being mounted on the edge of the television, the television can be created much thinner. The ultra thin TV sets displayed in shops use this type of lighting technology. LED light is channelled behind the television glass, with the light being spread evenly by guides.
Direct lit LEDs are tubes placed behind the television glass. The amount of LEDs placed depends on the size of the television with as many as 1500 LEDS. A single LED can be responsible for lighting up 1400 pixels on your screen. The main advantage of direct lit LEDs is that if an area of your screen is dark, the LEDs can be turned off thereby increasing the contrast. This is also known as local dimming, which LCDs cannot perform.
There are two types of direct lit LEDs - White and RGB (red, green, blue). White LEDs are similar to CCFLs in that they produce white light. RGB LEDs use the three colours, which makes the television capable of a broader range colour.
The debate of which is better out of LCD and LED TV technology continues, and the debate on what type of LED tube is best is an even bigger debate. Opinion, in this case, very much rules!
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Back in 2007 Texas Instruments introduced to the industry the very first 3D capable solutions. They had successfully utilized the most recent advances made in 3d shutter glasses along with the speed gained from DMD (digital micro mirror device) technology which enabled an enhanced stereoscopic imaging needed for right / left viewing. The combination of the two then allows users to view high def 3D images on a DLP (digital light projection) television set.
At the root of this is the smooth picture algorithm. 3D technology uses the sub frames of smooth picture technology to generate and send an independent image, by means of a signal, to the left and right eye of the viewer. The LCD shutter glasses then process that signal so the correct view is transmitted to the correct eye which gives the viewer a true 3 dimensional depth to the image. So in essence all you need to obtain that cinema quality 3D experience are a 3D enabled DLP TV, a pair of LCD shutter (3D) glasses along with a sync signal transmitter and of course a source of 3d content that uses the DLP 3D video or graphic format.
The main advantage of using this technology is that DLP 3D delivers a higher frame rate of 60Hz to each eye. Unlike other frame sequential systems the resulting stereographic display is flicker free. Current DLP HDTV from the likes of Samsung, Mitsubishi and Panasonic benefit because this 3D HDTV technology incures very little costs to implement and gives the purchaser a decent level of future proofing. Unlike older 3D glasses, those pretty naff red and blue numbers we all remember, the new generation suited to use with DLP 3D enabled TV systems have power shutters that deliver unprecedented colour fidelity and exceptional depth of picture.
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