(Organic Light-Emitting Diode)

Also known as LEP (Light-Emitting Polymer), OLED is a next-generation display technology that consists of small dots of organic polymer that emit light when charged with electricity.

OLED displays come in single-color, multi-color, and full-color varieties.

Compared to color LCDs, color OLED displays...

    are thinner
    are lighter weight
    are brighter
    have better viewing angles
    use less power
    are simpler and cheaper to manufacture
    have better response time for video and animation

For these reasons, OLEDs are expected to replace LCDs for color displays in phones and other small, portable devices.

One drawback of OLED technology is that, since it only emits and does not reflect light, it can be difficult to see in very bright light, such as direct sunlight.

OLED display modules used in secondary displays are often of a simple type using passive-matrix technology. Better OLED display modules used as primary phone displays are active-matrix, sometimes referred to as AMOLED:

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