Oled Technology, Organic LED, TV Sony Oled
What Is OLED Display Technology?
First came the CRT monitor, but it was big and used a lot of power. The CRT gave way to the now ubiquitous LCD monitor which saves desk space and electrons at the same time. The next step in the evolution of computer monitors and televisions may come from a more organic source. New Organic Light Emitting Diodes (OLED's) are poised to become the thinnest and most ecologically-friendly screens on the planet, but don't look for any at the local big box store any time soon.
OLED Monitors Explained
In a traditional LCD monitor, tiny little pixels turn on and off to create the image that you see. Unfortunately these pixels do not produce their own light, and thus require some form of backlight shining through them to make an image your eyes can appreciate. OLED monitors use an organic component that creates its own light, removing the need for backlighting and in return reducing power consumption and overall size.
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A Little Bit About The Technology
OLEDs are made by placing a series of organic thin films between two conductors. When electrical current is applied, a bright light is emitted. The OLED materials emit light and do not require a backlight (unlike LCDs). In fact OLED TVs are better than LCDs in many ways:
* Have Faster refresh rate, better contrast and better color reproduction.
* They are really thin - the Sony XEL-1 for example is just 3mm thick. The new prototypes by Sony are merely 0.3mm thick!
* Have a much better viewing angle - almost 180 degrees.
* Better for the environment - they draw less power, and contain no bad metals.
* It can actually be made flexible or transparent. Imaging a foldable large Organic Led that takes no space when not used...
Rollable OLED televisions?
Like we said before, can be made flexible, or transparent. In the future we might see an OLED displays that is actually rollable. So maybe you could just roll it when you want to watch some Television, and then remove it when not needed.
Or perhaps the Organic LEDs will be so thin and transparent that they will just be invisible when not in use - you'll just see the bare wall, but when lit up, it'll display signal picture.
This future technology is already being worked on, but it will obviously take some time before we could buy such Television sets...
OLED is not a new technology, in fact it has been around for several years now, but until recently manufacturers have been unable to produce consumer grade products that could be mass-produced. Samsung was one of the first to debut a working 21 inch OLED monitor back in 2005.
The Future of OLED Displays
Perhaps the most intriguing possibilities for OLED screens lays in the flexibility that an OLED can achieve. Engadget has photos of a demonstration model by Sony that is as thin as a sheet of transparency film and just as flexible.
Similar to the fictional roll-up displays used in the science fiction movie, Red Planet, future OLED applications may one day roll up when not in use or even be used as wallpaper allowing a homeowner to change their wall color at the press of a button.
While these ideas are intriguing, they are for now in the distant future. In the present, Sony has produced its first mas marketed OLED television monitor, the XEL-1 with an incredibly thin screen and incredibly high price tag.