# 3-dimensional display

> display type

**Wikidata**: [Q54006538](https://www.wikidata.org/wiki/Q54006538)  
**Source**: https://4ort.xyz/entity/3-dimensional-display

## Summary
A **3-dimensional display** is a specific type of display device designed to present visual information with depth perception, distinct from standard 2-dimensional or segment displays. It is classified as a subclass of display devices, which are output hardware components that convert electronic signals into visual images or text. This technology represents one of the three primary categories of electronic visual displays.

## Key Facts
- **Classification**: Subclass of **display device**.
- **Parent Class**: Output device (via display device).
- **Category**: Identified as a distinct "display type" and one of the primary disjoint unions of display devices (along with 2-dimensional and segment displays).
- **Aliases**: Known interchangeably as **three-dimensional display**, **3D display**, **삼차원 디스플레이**, and **3D 디스플레이**.
- **Encyclopedia ID**: Assigned ID **32157** in the *Encyclopedia of China (Third Edition)*.
- **Context**: Falls under the broader manifestation of display technology and is categorized within electronic visual displays.

## FAQs
### Q: What is a 3-dimensional display?
**A:** It is a display type classified as a subclass of a display device, designed to output visual information in three dimensions rather than flat 2D images.

### Q: How does a 3-dimensional display fit into the hierarchy of display devices?
**A:** It is one of the three primary disjoint unions of display devices, alongside 2-dimensional displays and segment displays.

### Q: What are the aliases for this technology?
**A:** It is frequently referred to as a 3D display, three-dimensional display, and by its Korean names 삼차원 디스플레이 or 3D 디스플레이.

## Why It Matters
The 3-dimensional display represents the advanced capability of visual output technology to mimic real-world depth, moving beyond the limitations of flat panel monitors. As a sophisticated branch of display devices, it enables more immersive visual experiences in fields ranging from medical imaging to entertainment. By bridging the gap between digital data and human depth perception, it serves as a critical evolution in how users interact with and interpret complex electronic information.

## Notable For
- **Taxonomy**: Being one of the three fundamental "disjoint unions" that conceptually compose display devices.
- **Technology**: Encompassing sophisticated systems such as holographic displays, distinguishing it from simpler segment or flat-panel technologies.
- **Cross-domain application**: Being utilized alongside 2D and segment displays in diverse sectors, from consumer electronics to assistive technologies.

## Body

### Definition and Classification
A **3-dimensional display** is a specific manifestation of display technology defined by its ability to present visual output in three dimensions. It is strictly classified as a **subclass of display device**. In the taxonomy of visual output, it forms a "disjoint union" alongside **2-dimensional displays** and **segment displays**.

### Parent Class: Display Device
The 3-dimensional display inherits its core function from the **display device**, an output hardware component that converts electronic signals into visual forms such as images, text, or symbols.
- **Function**: Serves as a visual bridge between digital systems and users.
- **Characteristics**: Defined by technical standards including **display aspect ratio** and **display resolution**.
- **Lineage**: Descends from early system consoles and indicator lights.

### Identifiers and Properties
The entity possesses specific identifiers within knowledge bases and academic references:
- **Wikidata Description**: "display type"
- **Encyclopedia of China (Third Edition) ID**: 32157
- **Multilingual Labels**: 
  - English: 3-dimensional display, 3D display
  - Korean: 삼차원 디스플레이, 3D 디스플레이

### Technical Context and Ecosystem
As a derivative of the display device class, the 3-dimensional display exists within a broad ecosystem of visual technologies.
- **Related Hardware**: It shares lineage with flat-panel displays, LED screens, and computer monitors.
- **Applications**: While display devices in general are used in traffic signs, braille readers, and radar consoles, 3-dimensional displays specifically address needs requiring depth perception and volumetric data visualization.
- **Technological Standards**: Like other displays, its utility is governed by the precision of its electronic signal conversion and visual clarity.