Displays are optoelectronic components that convert electrical signals into visible information by controlling light emission or light modulation. They are used to present characters, symbols, or graphical content through an organized array of light-producing or light-controlling elements.

This category covers a broad range of display technologies and related display modules, typically defined by their optical operating principle and the way visual output is generated.

• Electro-optical conversion: transforms electrical input into a readable visual output.
• Light emission or modulation: produces light directly or controls transmitted/reflected light to form images.
• Structured visual format: arranges pixels or segments to render information in a consistent layout.