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LED Television - Buyers’ Guide

LED Televisions are the latest entry to the television market courtesy of Samsung. LEDs (Light Emitting Diodes) have a number of fundamental advantages over both LCD and Plasma Televisions. Below we’ve laid out a guide to help you to choose the right LED television for your home. If you require any more information please visit Armagh Electrical.com or talk to us instore at Dalzell’s of Markethill.

How LEDs Actually Work?

LEDs (light emitting diodes) have a number of fundamental advantages over both LCD and Plasma televisions. They are essentially one way electronic semi conductors that emit light rather than reflect. ‘Short Veneers’ (also known as ‘eyelids’) that can shade each individual LED helps the television retain the colour and image both in strong sunlight and extreme angles. The trueness of the colours is also stronger due to the sheer number of LEDs used together; this can help with issues such as over-saturation. LED TVs are also very responsive to channel changes and to being turned on or off.

Features to Consider

There are a number of features to consider when choosing your next television, one of the most important is the type of tuner built into the television. Most modern TVs will have a Freeview tuner but increasingly there is the option to buy a TV with an integrated FreeSat tuner for HDTV.

To watch HDTV you’ll also want to ensure you have HDMI sockets to connect other HD devices such as games consoles or home theatres.

To be considered HD Ready your screen will need to be at least 720p (720x1280) which is the number of pixel lines carried by the TV. Some HD Ready sets will support a slightly higher picture quality known as 1080i (1080x1920) which although sharper lacks the smoothness required to watch action films or fast moving sports.

Full HD or 1080p (1080x1920) benefits from a progressively scanned picture or PAL which will scan every row sequentially every 1/60th of a second. Interlaced Scan works alternatively 1, 3, 5 etc every 1/30th of a second. PAL smoothens the whole experience making it feel more complete. To fully benefit from Full HD we recommend you only purchase such technology with screens larger than 45”.

The refresh or Hertz Level (HZ) of your screen will also affect the quality of the picture. A low Hertz level can affect the quality of picture in action films or fast moving sports. This can create a shooting star effect (sometimes known as ghosting) with for example a well struck football. Many modern televisions have a refresh rate of between 50 and 100HZ: the higher the better.

Finally if you don’t intend to purchase a Home Theatre or additional speakers you’ll need to assess the indigenous sound quality of the Television. Nicam Stereo sound is the industry standard but many TVs have an inbuilt Virtual Surround system.

Efficiency and the Environment

Televisions have quite recently made huge strides in their energy efficiency with some even being awarded the Energy Saving Trust accreditation. Particular attention has been paid to a revised stand-by function. LCDs by design use 60% less energy than a CRT and LED Televisions use less than half again. Armagh Electrical.com and Dalzell’s of Markethill have Energy Saving Trust Retailer accreditation for our product knowledge, range of appliances and our commitment to the Environment.

Positioning and Fitting your LED

Where you intend to position your new television and where you intend to view it from should be an important consideration. You should follow the general rule that the ideal viewing distance of any TV is three times the actual width (not screen size) away from the TV. Otherwise, you could be counting pixels instead of enjoying your favourite show. Direct sunlight won’t really have any effect on an LED screen giving you more options on where to place your new TV.

Manager’s Tip

It’s worth mentioning that the quality of cables you use to connect other AV devices has a huge effect on the quality of your picture and sound. Please see our accessories section. At present the Samsung LED range really stands out in this category for us. Please make sure that you choose an adequate wall bracket or glass stand to carry the weight and dimensions of your new TV. When buying a Television it’s always worth remembering that the best deals are available as packages so include a glass stand, home theatre and cables and do a deal with us over the phone or in store at Dalzell’s of Markethill.

Go to LED Televisions to purchase your appliance now.



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