display
What is OLED?
Organic Light-Emitting Diode - display technology where pixels produce their own light.
OLED (Organic Light-Emitting Diode) is a display technology where each pixel produces its own light using organic compounds. This differs from LCD which requires a backlight.
| OLED vs LCD: | ||
|---|---|---|
| --------- | ------ | ----- |
| Blacks | Perfect (pixels off) | Gray (backlight leaks) |
| Contrast | Infinite | Limited |
| Power | Variable | Constant |
| Thickness | Thinner | Thicker |
| Viewing Angles | Wide | Narrower |
| Burn-in Risk | Yes | No |
Types of OLED
Advantages
- True black colors
- Vibrant, saturated colors
- Fast response times
- Thin and flexible
- Power-efficient with dark themes
Burn-in
- Pixel shifting
- Brightness limiting for static elements
- Screen savers
OLED pixels can degrade over time, causing ghost images. Modern phones mitigate this with:
Most flagship phones use OLED or AMOLED displays. Budget phones may still use LCD.