You've heard of plasma, LCD, and even LED TVs. Now there is a new technology that promises to take the TV world by storm, just like other technologies before it. That technology is Organic Light-Emitting Diode (OLED). Very simply, OLED technology uses organic semiconductors rather than the traditional semiconductor compounds currently prevalent.
One of the exciting uses for OLED will be in the displays of flat screen TVs. There are many favorable characteristics of OLED TVs which promise to change the way we think about TVs. Some of the benefits of OLEDs over LCD technology include:
Eventually there cost will be much lower due to the simple manufacturing techniques once mass production is realized.
You're next OLED TV screen may be printed on fabric you drape on your wall. OLED displays can be printed on flexible plastic or fabric.
Unlike LCDs, OLED pixels emit light directly improving picture brightness and allowing colors to appear natural even from much wider viewing angles than normal.
OLED TVs do not require a backlight like LCD TVs do so that they can be even thinner than the thinnest TVs available today.
OLEDs use no power when they are inactive which results in better power efficiency and lower energy costs.
OLEDs offer the possibility of enhanced refresh rates of more than 200 times that of the highest available refresh rates on LCD TVs.
As with any new technology there are tradeoffs and drawbacks to OLEDs:
For quite some time it is likely that OLED TVs will remain very expensive compared to their traditional counterparts.
The lifespan of an OLED TV panel is currently less than half that of an LCD panel.
As an OLED TV ages some colors of light degrade faster than others (notably blue) creating a color balancing issue that would have to be handled by the user adjusting the balance.
The promise of OLED is flexible displays, but water can damage the organic materials in OLED TVs that may shorten the life of flexible displays.
OLED acts as a mirror compared to LCD and leads to poor viewing in bright light like daylight.
For mostly black images, and OLED consumes less than half the power of an LCD. On the other hand, for mostly white images OLED power consumption catapults to over three times as much.
OLED TVs are just becoming available and are exorbitantly expensive. So although the future for OLED looks bright, it will probably be quite some time before we can all enjoy its benefits.
Mark Ridgeway
http://www.flatscreentvcentral.com
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