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Organic light-emitting diodes--OLEDs--employ a thin layer of organic material that emits light
when electricity passes through it. OLED displays need no backlight, so they're ultrathin and
flexible. They are also brighter, cheaper to manufacture, and more environmentally friendly
than plasma displays or LCDs. Over the next few years, OLED will be coming to a boob tube
near you, and later maybe to the walls of your house, or even the windshield of your car.
When Sony showed off its 27-inch active-matrix OLED flat panel at last January's Consumer
Electronics Show in Las Vegas, you could hear jaws dropping. A contrast ratio of a million to
one, with pure blacks, blinding whites, and brilliant colors; no problems with viewing angles
or ambient light; faster response times than LCDs; and low energy consumption--all on a
pane of glass thinner than a Bic pen.
"OLEDs...reproduce the exact colors a movie maker intended," says Barry Young, OLED
expert for DisplaySearch. "LCDs [and plasmas] can't produce 100 percent of the grayscales
in the original image...; OLEDs can."
Right now, only one model is available: Sony's XEL-1, which measures 11 inches diagonally,
costs $2500, and has a short useful-life span.
But the XEL-1 is mostly a proof-of-concept item, says Young. OLEDs using newer materials
are proving more robust, and eventually they'll long outlast plasma and LCD sets, he adds.
This year, the flat-panel industry woke up and smelled the diodes. Samsung SDI--the world's
largest maker of OLEDs for cell phones and portable media players--is pumping half a
billion dollars into new manufacturing plants. Epson, LG, Toshiba, and other major
manufacturers of OLEDs are following suit.
Janice Mahone, vice president of technology commercialization for Universal Display, says
that consumers should start to see OLED panels in the 20-to-30-inch range in 2009. But it's
likely to be two years or more before OLEDs can compete with LCDs on price.
when electricity passes through it. OLED displays need no backlight, so they're ultrathin and
flexible. They are also brighter, cheaper to manufacture, and more environmentally friendly
than plasma displays or LCDs. Over the next few years, OLED will be coming to a boob tube
near you, and later maybe to the walls of your house, or even the windshield of your car.
When Sony showed off its 27-inch active-matrix OLED flat panel at last January's Consumer
Electronics Show in Las Vegas, you could hear jaws dropping. A contrast ratio of a million to
one, with pure blacks, blinding whites, and brilliant colors; no problems with viewing angles
or ambient light; faster response times than LCDs; and low energy consumption--all on a
pane of glass thinner than a Bic pen.
"OLEDs...reproduce the exact colors a movie maker intended," says Barry Young, OLED
expert for DisplaySearch. "LCDs [and plasmas] can't produce 100 percent of the grayscales
in the original image...; OLEDs can."
Right now, only one model is available: Sony's XEL-1, which measures 11 inches diagonally,
costs $2500, and has a short useful-life span.
But the XEL-1 is mostly a proof-of-concept item, says Young. OLEDs using newer materials
are proving more robust, and eventually they'll long outlast plasma and LCD sets, he adds.
This year, the flat-panel industry woke up and smelled the diodes. Samsung SDI--the world's
largest maker of OLEDs for cell phones and portable media players--is pumping half a
billion dollars into new manufacturing plants. Epson, LG, Toshiba, and other major
manufacturers of OLEDs are following suit.
Janice Mahone, vice president of technology commercialization for Universal Display, says
that consumers should start to see OLED panels in the 20-to-30-inch range in 2009. But it's
likely to be two years or more before OLEDs can compete with LCDs on price.
LED's get a D.O.T.
Even plasmas fade out as
new tv technology moves in
Even plasmas fade out as
new tv technology moves in
pcworld.com
Plasma is dead. Front and rear
projection? Fuggeddaboutit. LCD
has a few good years left, and then
it's sayonara, baby. TV technology's
future lies in tiny phosphorescent
molecules.
Plasma is dead. Front and rear
projection? Fuggeddaboutit. LCD
has a few good years left, and then
it's sayonara, baby. TV technology's
future lies in tiny phosphorescent
molecules.
