What is Monitor and Types of Monitor?

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what is monitor and types of monitor

1. What is Monitor?

A monitor is an electronic display device which displays visual outputs; it can also be called a video display terminal (VDT) or a video display unit (VDU). What is Monitor and Types of Monitor? The purpose of the monitor is to show video, text, images, and graphics with the help of a computer’s video card.

The screen on the monitor shows me what programs are open and running, while my hands move quickly over the keyboard. Early computer monitors used an outdated technology called Cathode-Ray Tubes (CRT). They were very large, bulky, and inefficient.

Today, we use LCD monitors on laptops and desktops because they’re easier to transport and they consume less power.

The technology of display has cleared the way for the continuous improvement of the monitor, whether it is for mobile devices, televisions, computers, or any device that uses display technology.

Very important to know that the LED displays are just LCD displays with LED backlight. Today, the front-runners for perfect display technology are Super AMOLED and Super LCD 3.

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2. Performance Indicators of a Monitor

2.1. Display

  • View-able image size Pixel Density is a measurement of how close pixels on a display are packed. LCDs are a measurement of how many pixels are on a screen per inch.
  • Aspect Ratio The ratio of horizontal distance/width to vertical distance/height is an aspect ratio. Aspect ratios of 4:3, 5:4, 16:10, and 16:9 are common on monitors.
  • Radius of curvature A curved monitor has a radius of curvature equal to the radius of a circle with the same curvature as the screen. Radius of curvature is typically measured in millimeters. (e.g., 3800R), but can also be written using units instead (3.8 m).

2.2. Display Resolution

  • Dot Pitch Dot pitch is the component size of the display which used in the monitor. Dot pitch is the distance between two adjacent pixels of the same color in Cathode Ray Tubes (CRT).The gap between two pixels in an LCD screen. The reciprocal of pixel density is dot pitch.
  • Pixel Density: Pixel Density is a measurement of how close pixels on a display are packed. LCDs refer to the number of pixels per linear unit along with the display, which is commonly used to measure in per inch pixels.

2.2. Color

  • Luminance: Candles per square meter are a luminance unit.
  • Color Depth: The color depth is expressed in bits per primary color or bits overall. Those with 10 bits per channel or more may display 1 billion colors.
  • Viewing Angle The common angle at which pictures on a display may be viewed without severe deterioration is known as the viewing angle. It is evaluated both horizontally and vertically in degrees.

2.4. Input Speed

  • Refresh Rate The refresh rate of a CRT display is the number of times the screen is lighted in a second. The number of times the image may be altered per second on LCDs is measured in hertz (Hz).
  • Response Time The time it takes for a pixel on a display to shift between two hues is known as response time. The specific colors are determined by the test technique, which varies by manufacturer. Lower values indicate quicker transitions and, as a result, fewer noticeable visual abnormalities like ghosting.

3. Monitors History

In the past, electronic computers were equipped with a panel of light tubes, the status of which indicated the on / off state of a specific register bit within the computer. That allowed the computer developers to keep track of the machine’s internal condition, and the panel of lights became recognized as the ‘monitor’.

What is Monitor and Types of Monitor? The monitor’s job was to maintain track of the program’s progress. Because monitors could only show a limited amount of data and were quite ephemeral in the past, they were rarely considered for program output.

The following are the advances in monitor technology that have occurred over time;

  1. E. A. Johnson invented the touch screen display in 1965.
  2. James P. Mitchell developed the light-emitting diode LED screen display in 1977.
  3. IBM created the IBM 8513 VGA monitor in 1987.
  4. In 1989, Super Video Graphics ArraySVGA was launched.
  5. Apple Studio Displays were first introduced in 1998 and were designed for desktop computers.
  6. Jeff Han invented the touch screen computer display in 2006.

4. What is Monitor and Types of Monitor?

The answer to What is Monitor and Types of Monitor? can be found in the read more article below. Due to advancements in Display Technologies, the qualities of display devices have vastly improved. We’ll go through the many sorts of computer displays and classify them. In terms of the user experience, a quality display may be pretty effective. There are several types of computer monitor their are as follow.

4.1. CRT Monitors

What is Monitor and Types of Monitor? In this case, the first monitor is CRT stands for Cathode-Ray Tube; it is a vacuum tube in this type of monitor with one or more electron guns that control beams to show pictures on a phosphorescent screen. In CRT monitor requires a certain distance between the screen and electron guns. CRTs monitors have also been used as storage devices, however, the screen is not visible to others in this case.

In the 1990s and early 2000s, CRT displays were supreme. CRT monitors are still used in certain offices. However, gaming or any type of content development on a CRT is not suggested. CRTs are not only less costly and show black-and-white images, but they are also more dependable.

In black and white, CRT monitors use single-electron beams and this single beam produces a black and white image shown on the screen. In color, monitors used three electron beams and each beam produces its image for each primary color RGB: red, green, and blue. These three images follow the procedure and display all applications in color on one screen. Nowadays Flat Panel Monitors replace CRT monitors.

4.2. LCD Monitors

What is Monitor and Types of Monitor? In this case, the second monitor is the “liquid crystal display” which refers to a display that is made up of liquid crystals. It is also known as a Flat Panel Monitor. LCD screen includes a component referred to as liquid crystal. The materials in this sort of monitor are aligned so that the light on the panels is reflected in the rear, allowing them to generate an image. It indicates that LCD Monitors require illumination in order for us to view the image.

The backlighting for the LCD is provided by a cold cathode fluorescent bulb. For functioning, the CCFL requires a high voltage AC supply. Back-lighting technology has also experienced significant advancements and replaced CRT with LCD. LCDs had response time concerns, however, these problems have been resolved.

LCD Liquid crystal displays less radiation produced and provides a clear image and an excellent, brighter screen display. LCD screens are noticeably thinner and lighter. The CRT monitors produce high radiation and image quality is also not clear, CRT monitors are high in size and also weight.`

The Two types of LCD technology are used in LCD the active matrix of TFT and passive matrix technology. TFT produces higher-quality images and the passive matrix is safer and more stable, however, it has a slow response time and is rapidly becoming outdated.

The resolution of an LCD display ranges from 1280 * 720 pixels to 3840 * 2160 pixels. LCDs were first used in laptops, but subsequently, manufacturers began producing them for desktop computers with screen sizes ranging from 17 to 60 inches.

LCD is now widely used in household appliances, with calculator screens and digital watches serving as prominent examples. LCD displays take up less space than any appliance and are light in weight, making them easy to travel and move from one location to another location.

features of LCDDetail
Resolution 1920 x 1080LCD Monitors
Brightness250 cd / m2
Energy Star CertifiedNo
Weight2.4 kg
Contrast Ratio12,000,000: 1

4.3. LED Monitors

What is Monitor and Types of Monitor? In this case, the third monitor is the LED monitor stands for light-emitting diode. It is one of the newest types of displays on the market today, competing alongside LCD and Plasma monitors. A flat-screen computer monitor is an LED monitor. It has a shallow depth and is quite light.

LED displays are basically the same as LCD monitors, LCDs used cold cathode fluorescent (CCFL) for back-lighting, and LEDs used light-emitting diodes for back-lighting. Commonly light-emitting diodes are flat panel or curved display monitors. LED monitors are brighter, like 4k resolution, and have an ordinary longer life than LCD monitors. The user can read or see the document or something else easily like daylight time.

Today, a large number of products use LED displays such as computer monitors, tablets, TVs, laptop screens and mobile phones, etc. They reported consuming significantly less electricity than CRT and LCD displays, making them far more ecologically friendly.

LED monitors are also commonly used by gamers to play high-resolution and high-definition games. They also do not generate a lot of heat when they’re running. LED displays to feature a greater contrast image and have a lower negative environmental effect. They reduce eye strain, tiredness, and headaches and provide a flicker-free display.

The only drawback is that LED display can be high-priced, such as new curved monitors that is the latest technology in the LED display. They are available in the market and some people are not affordable.

Features of LEDDetail
Resolution 1920 x 1080LED Monitors
Brightness250 cd / m2
Energy Star CertifiedYes
Weight2.4 kg
Contrast Ratio100,000,000: 1

4.4. Plasma Display Panel

What is Monitor and Types of Monitor? In this case, the fourth monitor is a plasma display panel (PDP) is a computer monitor produced by the use of Plasma technology. It is another newest innovation in computer monitor technology. They use small-scale cells, that hold an ionized gas, and that gas responds electrically and is converted into plasma. Such cells are called Plasma.

Behind the PDP monitors invention is that it illuminates the small colored fluorescent lights that make an image pixel. Every pixel is created of three fluorescent lights such as tiny neon light which is Red, green, and blue lights. Plasma displays are slim than CRT displays and brighter than LCD. PDP is flat-panel, and capable of hanging on a wall like LCD and LED televisions.

A PDP monitor provides a better quality picture as it supports high resolutions of up to 1920 x 1080, also a good response, and provides higher-level performance, time, and a much wide viewing as compared to CRT and LCDs. Plasma displays are available in up to 60 inches. PDP can be used as digital computer input or analog video signals in many ways. People know the plasma display panels with the name of thin panel display in the market.

4.5. Touch Screen Monitor

What is Monitor and Types of Monitor? In this case, the fifth monitor is the Touch screen It means the user inputs their instruction with touch through fingers, the screen gives the output or result to the user. The touch panel is at the top of the electronic visual display. This creates a layered inside of the touch panel that is called an information processing system.

It means the user inputs their instruction with touch through fingers, the screen gives the output or result to the user. The touch panel is at the top of the electronic visual display. This creates a layered inside of the touch panel that is called an information processing system.

Touch screen monitors are the alternative to a mouse and keyboard because a keyboard or mouse is not used on a touch screen all work is performed through the touch. Touch screens are used in a number of devices, including computer and laptop displays, smartphones, tablets, and other electronic devices.

5. Use of Computer Monitor

Computer monitors are primarily used to show output that is more readable and accessible to users. To assess the performance of computer displays, we must use a variety of matrices.

What is Monitor and Types of Monitor? Gamers who want their PC to function at its best will always seek high-refresh rates to provide the smoothest gaming experience possible. Designers and professionals will utilize monitors that are identical to the hues seen in nature.


firstly You understand What is Monitor and Types of Monitor? I think you found the material interesting and learned more about them. If you’re looking for a new monitor but aren’t sure which one to acquire, please visit our suggested products section, where you’ll find a variety of displays to meet your budget and needs that I personally recommend.