Technically Speaking

Dupont states that in the near future, OLED will replace the LCD and Plasma screens. OLED, Organic Light Emitting Diodes, are all the rage with Dupont for they have many essential properties over existing technology. For instance, OLEDs don’t require a backlight, LCDs do. OLED displays will therefore be thinner and lighter. Power consumption will be considerably less, (No backlighting) so products using OLED will have longer battery life. The OLED viewing angle is greater than the LCD. They claim that it can be viewed from any angle. Color switching improves tremendously. LCD currently switch at 25 milliseconds, OLED switches at 25 nanoseconds. This will make for greatly enhanced performance and clarity of fast moving graphics. Inkjet printers will be used to print the OLED subpixels on glass, this process yields extremely fine pixel pitches. LCDs have pixel pitches of .50 mm, OLED will have pixel pitches of.20mm. Dupont says that OLED will go active-matrix some time in 2004. At that time we will start to see the monitors emerging. As of now, Dupont has models with passive-matrix displays. Dupont predicts that by 2010, they will be able to make the OLED in 200 yard rolls, much like newspaper paper. Then they will be able to produce HDTV displays that can cover an entire wall of your house, or larger and be able to be rolled up and put away.

OLED technology: This is a good site to get and understanding of the technology. Be sure to check out the Introduction to OLED page.

Source: Maximum PC, page 14

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