OLEDs are in and may be cheaper than Newspapers
Plasma televisions are already on the outs with consumers due to
their energy-sucking tendencies, meanwhile LCD screens have closed the
gap on picture quality and are more energy efficient. But as many TV
buffs know, organic light-emitting diode (OLED) screens are the
future--if scientists can figure out how to produce them cheaply
enough. Researchers at Japan's RIKEN center think they've already
figured it out, and claim that they can produce OLEDs as cheaply as
publishing a newspaper.
The scientists used what they call smooth, electrospray-deposited
polymer films to build the cheap OLEDs. In the past, OLED screens have
been built with spin-coated films. The new polymer films, however,
minimize wastage of the polymer solution used to create images on the
screen. The end result: cheap, efficient OLEDs.
OLEDs have a number of advantages over LED screens--they don't require
a backlight, which means that they use much less power and operate
longer on battery charges. The lack of backlight also means that OLED
displays can be thinner than LCDs. And since OLED pixels directly emit
light, they can display a greater array of color, brightness, viewing
angle, and contrast than LCD screens. All of which makes the RIKEN
discovery a big deal for the future of television, cell phones,
computers and pretty much every other application that requires a
screen--including the future of newspapers.
|