pctechguide.com

  • Home
  • Guides
  • Tutorials
  • Articles
  • Reviews
  • Glossary
  • Contact

What is the Dot Pitch of a Computer Monitor

The maximum resolution of a monitor is dependent on more than just its highest scanning frequencies. Another factor is dot pitch, the physical distance between adjacent phosphor dots of the same colour on the inner surface of the CRT. Typically, this is between 0.22mm and 0.3mm. The smaller the number, the finer and better resolved the detail. However, trying to supply too many pixels to a monitor without a sufficient dot pitch to cope causes very fine details, such as the writing beneath icons, to appear blurred.

There’s more than one way to group three blobs of coloured phosphor – indeed, there’s no reason why they should even be circular blobs. A number of different schemes are currently in use, and care needs to be taken in comparing the dot pitch specification of the different types. With standard dot masks, the dot pitch is the centre-to-centre distance between two nearest-neighbour phosphor dots of the same colour, which is measured along a diagonal. The horizontal distance between the dots is 0.866 times the dot pitch. For masks which use stripes rather than dots, the pitch equals the horizontal distance between two same coloured strips. This means that the dot pitch on a standard shadow mask CRT should be multiplied by 0.866 before it is compared with the dot pitch of these other types of monitor.

Some monitor manufacturers publish a mask pitch instead of a dot pitch. However, since the mask is about 1/2in behind the phosphor surface of the screen, a 0.21mm mask pitch might actually translate into a 0.22mm phosphor dot pitch by the time the beam strikes the screen. Also, because CRT tubes are not completely flat, the electron beam tends to spread out into an oval shape as it reaches the edges of the tube. This has led to some manufacturers specifying two dot pitch measurements, one for the centre of the screen and one for the its outermost edges.

Overall, the difficulty in directly comparing the dot pitch values of different displays means thatother factors – such as convergence, video bandwidth and focus – are often a better basis for comparing monitors than dot pitch.

  • The Anatomy of a CRT Monitor (and CRT TVs)
  • CRT Monitor Resolution and Refresh Rates (VSF)
  • Monitor Interlacing
  • What is the Dot Pitch of a Computer Monitor
  • Dot Trio Monitors
  • Grill Aperture Monitors
  • Monitor Technologies: Slotted Mask
  • Enhanced Dot Pitch Monitors
  • Electron Beam Monitors
  • Monitor Controls
  • The Different Types of CRT Monitors – From ShortNeck to FST
  • What is a Digital CRT Monitor and How Does It Work
  • What is LightFrame Technology?
  • Safety Standards For Computer Monitors
  • TCO Monitor Standards
  • Monitor Ergonomics

Filed Under: CRT Monitors

Latest Articles

Core i7

Thanks to the incredible bandwidth rich architecture, there was a lot of excitement in the market when Intel launched Core i7. This was the perfect tool for complex jobs like scientific computing applications, 3D rendering, etc. Never before had any Intel processor delivered such powerful … [Read More...]

FBI MoneyPak

FBI Moneypak If you've found yourself here, you've probably been infected with FBI Moneypak. The good news is that this infection isn't nearly as scary as it makes itself out to be. You're probably seeing a screen notifying you that the FBI has disabled your computer for various reasons, and that … [Read More...]

Avast! Pro Antivirus Review

Avast! Pro Antivirus Review

PROS: Shields for all user computing sessions CONS: The shareware reputation may prevent serious consideration. OVERVIEW: Avast! Pro Antivirus is a great piece of software to use to keep your computer safe. With most of us up and running around on the internet everyday, we all need to protect … [Read More...]

Revolutionize Your Internet Experience with Orbi 960 – The Ultimate WiFi System

In a world where seamless connectivity is essential, slow and unreliable internet connections are a major problem. Whether you are running a business, … [Read More...]

Do You Need a VPN When Trading Cryptocurrency?

There’s no doubt that the biggest global industries in 2023 are tech-driven, while there remains a significant crossover between many of these … [Read More...]

Goodbye Bitcoin: the 3 alternative cryptocurrencies that have great upside potential, according to experts

Bitcoin has been a very lucrative investment for people that got into it early. One report from The Motley Fool pointed out that $10 of bitcoin … [Read More...]

Self-driving cars face their Achilles’ heel and may be targets of hackers

The market for self-driving cars is booming. Customers spent $22.22 billion on these autonomous vehicles in 2021 and they will likely spend more in … [Read More...]

How to avoid scams with bitcoin and other cryptocurrencies

Cryptocurrencies got a bad reputation when scams multiplied like ants on a piece of cake. Even today many people associate bitcoin and other … [Read More...]

WHAT IS CLOUD COMPUTING AND WHAT ARE ITS MAIN BENEFITS?

Users are Increasingly using cloud computing to store their information, which is replacing local storage. The business digitization process goes … [Read More...]

Guides

  • Computer Communications
  • Mobile Computing
  • PC Components
  • PC Data Storage
  • PC Input-Output
  • PC Multimedia
  • Processors (CPUs)

Recent Posts

EIDE Interfaces

In 1993 Western Digital brought EIDE (Enhanced IDE) onto the market. EIDE is a standard designed to overcome the constraints … [Read More...]

External graphics cards: are they worth the investment?

When we hear about external graphics cards (also known as eGPUs) we can't help but think about how promising the concept is. You can get … [Read More...]

File Recover Plus Review

File Recover Plus ESupport is selling File Recover Plus, for reasons I just can't even imagine. I didn't even want to post a review on this … [Read More...]

[footer_backtotop]

Copyright © 2023 About | Privacy | Contact Information | Wrtie For Us | Disclaimer | Copyright License | Authors