What are Different Types of Display Screens? Difference between Display Screens

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Display Screens

A display screen is a device that visually displays information or images generated by electronic devices, such as computers, smartphones, and televisions. Display screens have become an essential component of many modern devices and have evolved significantly over the years, with new technologies constantly being developed to improve their performance and features.

Source | Pexels - Pixabay

Types of Display Screens:

There are several types of display screens available in the market, each with its unique features and benefits. Some of the most common types of display screens include:

  1. LCD (Liquid Crystal Display) screens
  2. OLED (Organic Light Emitting Diode) screens
  3. Plasma screens
  4. LED (Light Emitting Diode) screens
  5. CRT (Cathode Ray Tube) screens

LCD screens:

LCD screens are the most common type of display screen used in electronic devices today. These screens use a layer of liquid crystals to display images or text. The crystals act as tiny shutters that allow or block light from passing through them, depending on the voltage applied to them. The color of the pixels on the screen is determined by the combination of red, green, and blue filters. LCD screens are relatively affordable, energy-efficient, and provide high-quality images.

Source | Pexels - Pixabay

OLED screens:

OLED screens use organic materials that emit light when an electric current is applied to them. Unlike LCD screens, OLED screens do not require a backlight, which means they can be thinner and more flexible. OLED screens offer better contrast and deeper blacks than LCD screens, making them ideal for displaying images with a wide range of colors and shades.

Plasma screens:

Plasma screens use charged gas molecules to create images. When an electric current is applied to the gas, it ionizes and emits ultraviolet light, which in turn, excites phosphors to emit visible light. Plasma screens are known for their high contrast and deep blacks, making them ideal for displaying images with high levels of contrast.

LED screens:

LED screens use an array of light-emitting diodes to create images. These screens can be either backlit or edge-lit. In backlit LED screens, the diodes are positioned behind the screen, while in edge-lit LED screens, the diodes are positioned around the edges of the screen. LED screens are known for their energy efficiency, high brightness, and long lifespan.

CRT screens:

CRT screens are an older type of display screen that was commonly used in older televisions and computer monitors. These screens use a cathode ray tube to create images. The tube consists of an electron gun that fires electrons at a phosphor-coated screen, which in turn emits light. CRT screens offer high refresh rates and good color accuracy, but they are bulky and consume a lot of power.

Source | Pexels - Pixabay


In conclusion, display screens have come a long way since their inception, and there are many different types of screens available in the market today, each with its unique features and benefits. When choosing a display screen, it is essential to consider factors such as the type of device, the intended use of the screen, the available budget, and the desired features and specifications.

Comparison of Display Screens

Here's a brief chart comparing the different types of display screens:
Type of Display ScreenAdvantagesDisadvantages
LCDAffordable, energy-efficient, high-quality imagesLimited viewing angles, low contrast levels
OLEDHigh contrast, deep blacks, thin and flexibleExpensive, can suffer from image retention
PlasmaHigh contrast, deep blacksNo longer commonly available, can be susceptible to burn-in
LEDEnergy-efficient, high brightness, long lifespanCan suffer from blooming, uneven lighting
CRTHigh refresh rates, good color accuracyBulky, consume a lot of power, no longer commonly available

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