All About LED TV

The Importance Of LED technology

All these bulbs can be controlled separately and can even be switched off if the need arises. Hence you can see something dazzling against a totally black background in a very efficient manner. LED backlighting helps add a new dimension to the extensive color range and clarity of the images. LCD and Plasma units have made their presence felt in the HDTV market today. But the recent introduction of LED displays has posed a significant competition for both of the senior flat panel display technologies. With LED technology providing quite a few advantages over the other flat panel technologies, it is fast becoming popular among the consumers. A significant improvement of the LED displays over the LCD ones is the longer life span. With increasing costs of all resources in the world market, all the consumers of HDTV are equally concerned about the advantages and money savings that they make with every purchase. Many may think of LED TV’s as being a completely brand new screen technology but this isn’t entirely true. In reality what can be found on the market is a new kind of LCD TV with a later technology that uses LED’s as a backlight. The reason for LED TV not replacing LCD’s as being the basis for the actual picture is due to the fact that LED’s cannot currently be manufactured at sizes that are small enough. Because of this fact true LED screens are restricted only for large scale use such as in those found at stadiums. To Pick the Best LED Television, Log on to http://www.ledtvseeker.co.uk/ and collect your discount voucher codes at http://www.voucherseeker.co.uk/

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Sharp Quattron UK Television ad with George Takei

Digital Signage – Understanding Screens

Flat screen technology has only been around a few years but already it has not only replaced its forerunner the CRT TV in our homes but also these thinner TV systems has paved the way for a revolution in out of home advertising.

But the demands on digital signage differ to those placed on home entertainment screens and while technologies like HD (High Definition) make quite a difference when you’re watching the latest Hollywood blockbuster, it will have little impact on an advertising campaign run on a HD digital signage screen.

However, there is a difference in the differing technologies used in modern flat screen TVs with advantages and disadvantages to them both. Generally when it comes to modern flat screen TVs they come in two varieties – the LCD (Liquid Crystal display) or plasma.

There was a time when there were quite sharp differences in the two technologies. Plasmas used to be brighter and have a better quality image, while LCD TVs used less power and were less susceptible to screen burn.

However, technology has advanced quite sharply and now the differences in the two technologies are negligible and more consideration should be given to protecting the screens to ensure the quality of image doesn’t diminish due to other factors.

Unlike home entertainment use, screens used in digital signage are often left exposed to direct sunlight or kept continually on. Heat build up and the direct glare of the sun can damage both LCD and plasma screens.

Some digital signage enclosures use clever technologies to ensure the screens of modern plasmas and LCD’s are protected. Air curtains are often used in some LCD enclosures, these blow a curtain of cool air across the screen preventing sun glare from causing hotspots. Anti-glare glass is also used extensively in LCD and plasma enclosures to ensure the screen is as readable as possible under direct glare.

When running a digital signage campaign, protecting the screen is crucial as the only outlay other than running costs is caused by replacing the screens. However, both running costs and protection may have become decidingly easier thanks to the development of LCD screens with LED backlights.

These use an array of light emitting diodes (LED) to generate the backlight of the TV. This not only uses a lot less power than conventional LCD technology but also they do not get as hot ensuring the screen costs less to run and will last longer.

About the Author

Richard N Williams is a technical author and a specialist in the digital signage industry helping to develop outdoor digital signage and protection for plasmas. Please visit us for more information about LCD Enclosures or other digital signage solutions.