OLED: Organic Light Emitting Diode.
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LG's OLED TV uses four base colors White, Red, Green, and Blue through a color filter. Other types of OLED uses only 3 base colors that are tuned to provide a full range of colors without the need for a fourth sub-pixel.
This TV will support resolutions of up to 1080p.
ETL in OLED means electron transport layer.
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The actual price hasn't been disclosed by any of the brands who unveiled their OLED TVs.
OLED's are brighter than LEDs, OLED's do not require Backlighting. They are easier to produce and can be made to larger sizes. They are expensive, water easily damages them.
It is very true that everyone can not afford OLED TV. The expected price of LG OLED TV is into five figures. But it will be better confirmed when OLED TV will be launched.
An OLED screen is typically used in televisions that use a high definition display. The OLED light is what gives the high definition televisions a clear high definition picture.
Oled TVs use Organic light-emitting diodes. They are supposed to be crystal clear.
LG has stated their OLED TV will be released in early Q3 2012. Samsung has indicated there release will be in Q2.
The OLED TV can be the thinnest than any other TV technology. Samsung, Panasonic, Sony and LG are all preparing to release a range of OLED televisions with a thickness of as little as 4mm.