LED TVs are a newer technology that is becoming increasingly popular. There are several new and advanced concepts associated with this television. Although still a little cost prohibitive, as time marches on the cost is sure to become more affordable. More and more manufacturers of televisions are starting to make LED televisions; competition is sure to help drive down the price.
Instead of using the older technology, cold cathode, to backlight the television, this new LED TV uses small LED lights. There is a greater color difference between individual images on the screen with the new LEDs. Although many people enjoy the new and more color television display, a number of people have reported migraines while watching this television.
There are three main types of LED lights that may be used. Edge LED lights are often white and are used mostly along the edge of the screen. RGB dynamic LED lights show the greater contrast of white, black and colors. Unfortunately, with this type of LED, some small objects are shown in less detail than what is intended. Full array LEDs make up the last type of bulb used in this TV. This gives the television and overall greater color contrast as well as lets the scenes or picture change more rapidly.
There are many benefits to LED televisions. To many, one of the biggest benefits lies in the fact that it consumes only a fraction of the energy that a traditional TV takes. This preserves the Earth as well as lowers the monthly energy bill. Many people also like the thinner panel the LED TV offers. Heat dissipation is much better on this TV; it evenly distributes the heat generated.
The reviews of LED televisions in VIZIO M420KD generally have been highly positive. While little issues have arisen, there has been no major issues and are loved by many owners. LED television sales are expected to rise within the coming years. Most LED televisions are given in online customer ratings anywhere from four to five stars.
The cost of the LED TV is still pretty cost prohibitive. A television will cost anywhere from several hundred dollars to a couple thousand. The price largely depends on the size of the TV, the features included, and the television brand. Pre-owned LED TVs are available at some retailers; while these are a less expensive option, the cost is still pretty high.
There are some true LED televisions, but others are LED backlit LCD displays. Several agencies, including the United Kingdom's Advertising Standards Authority, have stated that manufacturers must make a clear distinction of the difference on the product. The first LED backlit LCD television was introduced in 2004; the first true LED TV was introduced in 2008.
LED TVs are still a relatively new technology. Being a new technology, the price tag is still relatively high. However, with its high reviews and all its benefits from a lower energy bill to its thinner panel, this TV has become a runaway hit and is bound to be in many households in the coming years.