Samsung unveils 31" Ultra-thin OLED Screens at CES

clipped from www.reuters.com

Samsung unveils 31-inch organic screen

SEOUL (Reuters) - South Korean display screen maker Samsung SDI Co (006400.KS: Quote, Profile, Research) said on Thursday it had developed a 31-inch ultra-thin organic screen, raising the stakes in an accelerating worldwide race for organic displays.

An OLED or Organic Light-Emitting Diode is a light emitting device based on the principle of electrophosphorescence. Several types of organic material that will glow red, green and blue are placed between two layers of conductive material and covered with glass or another translucent protective material. When electric current is applied, the conductive layers act as anode (positively charged) and cathode (negatively charged), enabling the flow of energy from the negative layer to the positive layer and stimulating the organic material to emit a bright light. The two most common types of OLED:

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