What is px?

Do you feel like everything these days has an abbreviation? Just when you thought you knew the acronyms, another one pops up. WTH! Now we have a new one to add to our already lengthy list: px. So what is it? Is there anyone out there who can make sense of this jargon mentality? Fear not my friend, I’m here for you.

The Basics

Let’s start with the basics. Px stands for ‘pixel’. Ahh, that’s a relief! Pixel is short for picture element and refers to tiny dots which together form images on screens or pictures online.

Pixel density refers to focused pixels in an area such as your computer monitor screen, laptop screen or your phone screen. It indicates how clear the image will appear on each device’s respective display; so basically the smaller px, greater clarity.

It All Began…

Oh no wait…I’m not taking it back that far – we’ll just stick within this century initially!

The whole pixel concept began around about 1990s (Wow!! That long ago!). They were created by James Fergason in California during his work on monitors using liquid crystals.

It was then introduced into graphing calculators and video games before finally reaching mainstream devices like computers, TVs and mobile phones as manufacturers determined more pixels meant improved graphics quality experience (Oooh another couple of abbreviations!).

Pixelated Images

Now let’s talk about some better-known aspects of pixels – those blurring efforts some people use when they want to hide their ID from thousands watching them dance at Uncle Jeff’s wedding!!

Coding has efficiently adopted various digital techniques over time including creating bitmaps for images represented through a collection of small blocks called pixel grids specifically colored at the intersection points where rows & columns meet.. hmm confusing right?

Bitmap file formats are good (.bmp) examples of pixel grids. Bitmaps are made of pixels in a 2D array, which colors each pixel with one color based on the image’s quality you may notice visibly distinct edges like staircase appearance or jaggedness in such images.

If only our eyesight was as simple and clear-cut! Unfortunately, we don’t have that luxury but hey at least some devices do!

In short, to see minuscule details on your device screen is thanks to the number of pixels despite being so tiny yet visible enough especially evident when zoomed in far beyond normal.

But is it really important how many there are? Let’s take a closer look..

High vs Low Pixel Density

Whilst giant display screens aren’t anything new these days, having various sizes of displays for different purposes isn’t out of place nor do they all require equal resolution.

  • Smart-phones usually feature higher density monitors than their bigger cousins: tablets and laptops – why so? Firstly this might be related to comfort (smaller text becomes readable) but primarily due to smartphone usage proximity; making smaller screens more comfortable within arm’s reach as text doesn’t appear blurry at close range.

How would smaller px affect overall telephone performance rendering clearer sharp pictures by utilizing LCD/OLED panels known for detailed graphics processing enabling high-quality gaming contents/experience?

  • Laptops & tablet ease: Larger laptop/tablet displays using lower-density panels means less battery consumption than ultra HD displays similarly low-resolution outputs suitable for presentations whilst not compromising too much on quality.

The downside: Images will lack sharpness while also highlighting keywords surrounding your document margins. It’s pretty easy right at this point.. dense px equal higher resolution equals greater halos around texts meaning character readability could become eye-straining most frequently experienced post-sunset with lights turned off causing headaches (oh now I’m sounding unpleasant!).

The Inevitable Upgrade

It happens constantly – upgrades and newer versions. Can you name an app or device that doesn’t have a new version every few months not to mention the number of times they’re updated?

Digital devices advancements in terms of resolution are more often than not noticeable -why- because as previously stated, our eyes need such refined gradients.

  • Ultra High Definition: 4K and up (Gotta Love it!) perfect example of modern gaming requirements for high-end graphical representation; enhancing image accuracy within video capturing equipment i.e. professional videography, sports live streaming & so on.

To summarize:

Density matters most when relating to smaller screens with denser pixels offering the ability to render sharper images exposing finer details rather efficiently commonly found on Apple Vision Kit and others specifically those models equipped with retina displays allowing people closer viewing distances without losing out at all unlike larger TVs serving everyone from further away devoid disadvantages.


So what is px? Pixel density! You will encounter pixels in almost any digital format whether reading this blog online (that’s right) or simply scrolling through Instagram pictures – your phone won’t care if there really were enough orange trees nearby when Uncle Jeff was dancing .. nope sorry pixelated it remains!

Don’t fret about abbreviations too much… just sit back and enjoy good quality videos/pictures loaded full of small little dots better known as Pixels while understanding how these tiny dots bring clarity to what we see today making us feel like we’re getting TMI upclose or am I getting TOO close???!!.

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