Photonics Dictionary

organic light-emitting diode

An organic light-emitting diode (OLED) is a type of light-emitting diode (LED) technology that utilizes organic compounds to produce light. OLEDs are commonly used in display technologies, such as television screens, computer monitors, and smartphone displays. Unlike traditional LEDs, which use inorganic semiconductor materials, OLEDs use organic compounds like carbon-based molecules to emit light when an electric current is applied.

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Key characteristics of OLEDs include:

Thin and flexible: OLEDs are inherently flexible and can be manufactured on flexible substrates, allowing for the creation of bendable or rollable displays.

Lightweight: The organic materials used in OLEDs are typically lighter than the inorganic materials used in traditional LEDs, contributing to the overall lightweight nature of OLED displays.

High contrast and vivid colors: OLEDs can achieve high contrast ratios and vibrant colors because each pixel emits its own light, and they can be individually controlled.

Fast response time: OLED displays have fast response times, making them suitable for applications like fast-motion video without motion blur.

Wide viewing angles: OLEDs offer wide viewing angles, ensuring consistent image quality from various viewing positions.

Energy efficiency: OLEDs can be more energy-efficient than traditional display technologies because they emit light directly and do not require a separate backlight.
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