# IPS panel

> screen technology used for liquid crystal displays

**Wikidata**: [Q2634883](https://www.wikidata.org/wiki/Q2634883)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/In-plane_switching)  
**Source**: https://4ort.xyz/entity/ips-panel

## Summary  
An IPS panel is a screen technology used for liquid crystal displays (LCDs), specifically a variant of TFT LCD. It is known for its superior viewing angles and color accuracy compared to traditional LCD panels. Common applications include monitors, TVs, and smartphones.

## Key Facts  
- **Subclass of**: TFT LCD (Thin-Film Transistor Liquid Crystal Display).  
- **Variants**: Includes H-IPS, e-IPS, IPS Black, and AH-IPS panels (developed by LG Display).  
- **Related technology**: PLS panel (developed by Samsung).  
- **Aliases**: In-Plane-Switching Liquid Crystal, IPS液晶, IPSパネル, Painel IPS.  
- **Wikidata description**: "Screen technology used for liquid crystal displays."  
- **Freebase ID**: `/m/0ggbg4m` (referenced in Wikidata).  
- **Sitelink count**: 18 (Wikipedia language links).  
- **Encyclopædia Britannica ID**: `topic/in-plane-switching`.  

## FAQs  
### Q: What are the advantages of IPS panels?  
A: IPS panels offer wider viewing angles and better color accuracy compared to traditional TN (Twisted Nematic) LCD panels, making them ideal for professional design work and media consumption.  

### Q: Who developed IPS panel technology?  
A: IPS technology was developed by Hitachi in 1996 as an improvement over earlier LCD technologies. Later variants like AH-IPS were introduced by LG Display.  

### Q: How does IPS compare to PLS panels?  
A: PLS panels, developed by Samsung, are similar to IPS panels but are often marketed as offering better brightness and cost efficiency, though both share wide viewing angle benefits.  

## Why It Matters  
IPS panels revolutionized display technology by addressing the limited viewing angles and poor color reproduction of earlier LCD screens. Their ability to maintain color consistency even at extreme angles made them indispensable for professional monitors, medical displays, and high-end consumer electronics. The technology also enabled advancements in mobile displays, where readability from multiple angles is crucial. Today, IPS variants like IPS Black continue to push contrast ratios higher, bridging the gap between LCD and OLED performance.  

## Notable For  
- **Wide viewing angles**: Unlike TN panels, IPS screens maintain color accuracy up to 178 degrees.  
- **Professional use**: Preferred for graphic design, photo editing, and medical imaging due to color fidelity.  
- **Variants**: Includes specialized versions like IPS Black (higher contrast) and AH-IPS (advanced performance by LG).  

## Body  
### Technical Classification  
- **Parent class**: TFT LCD, a type of liquid crystal display.  
- **Subtypes**: H-IPS, e-IPS, IPS Black, AH-IPS (developed by LG Display).  

### Related Technologies  
- **PLS panels**: Samsung's alternative to IPS, with similar wide-angle viewing but differing in pixel structure.  

### Historical Context  
- **Developed**: By Hitachi in 1996 as an improvement over TN and VA panels.  

### Performance Traits  
- **Color accuracy**: Superior to TN panels, with consistent colors across viewing angles.  
- **Contrast**: IPS Black variant offers improved contrast ratios.  

## Schema Markup  
```json
{
  "@context": "https://schema.org",
  "@type": "Thing",
  "name": "IPS panel",
  "description": "Screen technology used for liquid crystal displays.",
  "sameAs": [
    "https://www.wikidata.org/wiki/Q1668039",
    "https://en.wikipedia.org/wiki/In-plane_switching"
  ],
  "additionalType": "TFT LCD",
  "sameAs": [
    "https://www.wikidata.org/wiki/Q15241312",
    "https://en.wikipedia.org/wiki/In-plane_switching"
  ]
}

## References

1. Freebase Data Dumps. 2013