Technology

Coming soon, low priced OLED TVs

MUMBAI: LCDs and LEDs TVs are two of the best selling displays in India. In a year or so, it is quite possible that OLED (organic light emitting) displays might become a reality in India. OLEDs are basically, thin displays which can even be rolled and kept away.


Du Pont yesterday announced that it has come up with a new process which reduces costs of OLEDs manufacturing. Currently, a 15 inch OLED TV made by LG, costs about $2,725, because it is manufactured using a cumbersome and more expensive process.


With the new process, Du Pont developed with Dainippon Screen larger screens that can be now manufactured and prices could drop drastically and make OLEDs a household item.
 
OLEDs, recently, have attracted much attention as the next big thing in display technology with their ability to provide high contrast and bright displays with high response times and wide viewing angles while remaining extremely thin and energy efficient. Because they don’t rely on backlighting, they eliminate the need for many of the LCD components, such as backlights and color filters.


“OLED displays in portable devices are available in the market today, but the current high cost of manufacturing with evaporated materials has limited market adoption and constrained OLED manufacturing for larger size displays,” said DuPont electronics & communications David Miller. “Now, with DuPont printed OLED materials and process technology, fabrication costs can be significantly reduced, and manufacturing can be scaled to accommodate TV-size displays.” 
 
The new process DuPont developed along with Dainippon Screen uses a multi-nozzle printer that works like a garden hose to deposit inks that contain active molecules that are insoluble in adjacent layers.


It prints the ink in a continuous stream, rather than droplets, and moves over a surface at rates of 4-5m per second while patterning a display. DuPont also says its red, blue and green OLEDs will last about 15 years when run eight hours a day, putting to rest criticism about the longevity of the screens.


In India low priced OLEDs can have tremendous applications especially when mobile TV and 3G phones become widespread. Phone subscribers will be able to watch television anywhere by connecting their hand phone to the OLED.

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