OLED Technology

OLED (Organic Light Emitting Diode) is any LEDThe OLED's may seem like the perfect technology but
whose emissive layer consists of a layer of organicas said, everything has subsiding disadvantages as
compounds. This layer allows appropriate organicwell. The biggest problem for the OLED television is
compounds to settle down in the form of rows andthe limited lifetime of the organic materials. Blue OLED's
columns. This then makes up the pixels of differentflat displays have a lifetime of almost 14,000 hours: 5
colors.years and 8 hours which is lower than the lifetime of a
The company Matshushita has promised to releaseflat screen - LCD, which has a lifetime of 60,000 hours.
OLED television of screen size of 40 inches by 2011.Two of the big names in the electronic world, Toshiba
This means that in just two more years, your swaggerand Panasonic, have supposedly come with a way to
high definition television might be archaic, or at least onsolve this problem and to push the life of an OLED
the roadway to extinction.television to more than that of an LCD television. This
So what is the advantage to us, except that it useseffect is achieved by the help of a metal membrane
organic material as the only way to generate pixel?which passes the light through the substrate more
There are many features to this new OLED televisionefficiently. The result is the same quality of picture but
sets. They have many advantages. Firstly, they arewith less brightness. This increases the life time as the
sleek in their look and are as thin as three credit cardscarbon utilized is less. The effect is still yet to be
put together! It uses less power since it does not emitchecked though.
backlight. It gives long working hours for the sameThe first OLED television screen was presented by
reason if the product is powered by battery.Samsung in October 2008. It was a 40 inch set with
Furthermore, it has a contrast ratio of 1,000,000:1. Thisfull HD resolution of 1920×1080. It had a contrast ratio
is a significant detail since it will be the first in creatingof 1,000,000:1 - the max possible till now. It also had
deep blacks in astounding black scenes.luminance of 200 cd/m2 (peak luminance of 600 cd
Also, when the OLED television is turned on, it gives am2). Samsung stated that 40 inch OLED was in the
flashing fast response time compared to the currentinternational standards the largest that was currently
flat displays. This is due to the electric current passingpossible. It became a market leader.
through carbon. Carbon is the basis of all organicOn the other hand Sony introduced the 27" OLED
matter and OLED comprises of all the organic matter.which was scheduled for release in the third quarter of
This can also be used to finish the pollution.2009. It is said that Sony has introduced a new
Carbon-based substances include wood, majority ofconcept in the OLED technology by making the
plastics and sugar. OLED television sets can also havetelevision even more sleek and handy. The details are
a lower production cost which may eventually lead toyet to be revealed.
lower costs in the market. The raison d'être is thatAt present, this technology is used in maximum of the
the OLED's can be printed on suitable substrate usingcommercial electronic/ digital appliances such as small
inkjet printers or even screen printing technologies. Inscreen mobile phones, MP3's, digital cameras, car
addition to this, the OLED substrates can be keptradio's etc. all of these are the newest need, specially
flexible. This opens the door to a whole new era offor the youth, since these are handy, and easily
TV sets. Those can be roll-up displays or evenaccessible. OLED's high light output is the most
displays which are embedded in fabrics. This mightfavorable for the readability in the sunlight. And the low
mean that in the coming years, our television set will bebrightness level decreases the percentage of power
on our handkerchief!drain.