Good for VIZIO Customers and Good for the Environment
Blog By: Ken Lowe, Vice President and Co-Founder of VIZIO
For the 2013 model year all VIZIO LCD televisions use LED backlights.
The old method of creating the light was by CCFL (Cold Cathode Fluorescent Lamp) tubes. These are similar in operation to the fluorescent tube lamps that are commonplace in stores and offices and like these lamps each CCFL contains a small amount of mercury. Because of this, care has to be taken when recycling these older LCD TVs because the CCFLs have to be removed unbroken to be disposed of separately ensuring the mercury is recovered.
Another important factor for using LED is that they consume less electricity so that the total power taken by the LCD LED HDTV is significantly less than previous ones. The average power taken by one of our 32” Class size LCE LED HDTVs is about the same as a 25W incandescent light bulb. This not only means that it costs less in electricity for our Customers to use their television, it means less demand for electricity and hopefully removing the need to build another power station.
A big bonus with using an LED Backlight is that it also helps improve the quality of the picture, allowing us to use techniques such as local dimming. It has always been difficult to produce black with LCD panels. It can seem weird to talk about producing nothing (no light) but when there is still light shining behind the LCD panel it is an enormous task to prevent all of the light from getting through. With local dimming we are able to reduce the amount of light being emitted by LEDS in areas where the video is dark so the picture is dark, improving the overall picture quality.
For more information on VIZIO’s greener methods, click here: http://store.vizio.com/environment/