The 21-inch (53.34-centimeter) OLED panel outperforms existing liquid crystal displays (LCDs) in brightness, slimness and power efficiency, the firm said.

Organic LED screens generate their own light, eliminating the need for back lighting and allowing equipment makers to develop slimmer and more power efficient monitors.

Samsung said its new portable display would be used for televisions and computer monitors.

Samsung, one of the world's largest LCD makers, said its new OLED display panel, an upgrade on its own 15-inch product, uses technology that can be easily mass-produced on the company's existing LCD production lines.

"With the development of the world's largest OLED, Samsung has achieved a technological advantage and is positioned well to be a leader in the market for large-sized OLEDs for TVs," said Jun-Hyung Souk, senior vice president of the LCD research and development center.

Samsung said the OLED display features resolution of 6.22 million pixels and uses active matrix-based (AM) technology for low power consumption and high-resolution.

The global market for organic LEDs is forecast to grow to 830 million dollars this year from 330 million dollars last year.

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