The Controversial Issue That Won’t Go Away

abdulmanannet77@gmail.comOctober 31, 2025

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The Controversial Issue That Won’t Go Away

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The mini-LED technology is very impressive. A good mini-LED can take you a big part of the way to OLED picture quality, while still outperforming older LCD backlight technologies.

However, bloom remains the biggest negative point of these displays and a key objective for manufacturers, just as burn-in is the scourge of OLEDs. So, is bloom still something you need to worry about with the latest generation of mini-LEDs?

In the photos below showing the bloom, the effect is exaggerated by the camera. In most cases, it’s much more subtle in person, to the naked eye.

What “Blooming” Means in Display Technology

With the advent of full dimming and now mini-LED technology, the backlighting of LCD TVs can turn off individual areas to help improve picture contrast. However, unlike OLEDs where each individual pixel is a light source and can be turned off for perfect black levels, the LEDs in a mini-LED do not have a 1:1 ratio to the pixels on the screen. That’s changing with upcoming micro-LED and RGB LED technology, but we’re talking about the mini-LED TVs and monitors you can buy today.

As there is no perfect match for each pixel, this means that in some scenes, bright elements against a dark background will have a visible halo where the backlight extends beyond the edges of that object. It’s flowering.

Real-world bloom on mini-LED displays

I have three mini LED screens. My 12.9-inch iPad Pro M2, MacBook Pro M4, and TCL C6K all use this technology. My iPad has the worst bloom of the lot. For example, when the movie credits roll, you can clearly see the halo of light around the words on a black background.

As for my new MacBook? I’ve never seen any flowers on it. My TCL Mini-LED TV may exhibit blooming in some specific situations, such as the rotating “buffering” animation in streaming apps where the backlight struggles to keep up with the fast motion.

How much of a problem is this in real-world use?

However, unless I’m looking for a bloom on one of these screens, it’s not something I really see, unless we’re in one of those weird, particularly torturous situations for technology.

It must also be said that the observation conditions have a significant effect on the visibility of the flowering. My iPad Pro M2 only really shows this extreme bloom when I look at it in the dark in bed with low light. Likewise, the room must be very dark and my TV settings must be too bright for the bloom to be visible.

Take a look at this photo of an image on my TCL mini-LED. it comes from the game Diablo II: Resurrected using its retro graphics mode. So the screen area to the right of the demon statue is just a dark screen. You would expect to see flowering here, but in the photo and to my naked eye it is completely invisible. This involves using the TV in a moderately bright room, with around 40% brightness for the TV itself.

Diablo II in retro graphics mode on mini-LED.

However, if we look at the logo of the same game on my TV, the blooming around the flames is clearly visible, made worse by the rapid flickering of the flames.

Credit: Sydney Louw Butler/How-To Geek

Compared to watching content on my OLED TV or OLED phone, I don’t notice the blooming as some sort of distraction. However, different people will have different levels of sensitivity.

What has been improved and what still needs improvement

Mini-LEDs quickly reduced bloom in a variety of ways. A simple solution is to include more dimming zones. However, it’s more complicated than that, because (at equal size) a TV with fewer dimming zones might have less bloom, because it has a better dimming algorithm. So, checking reviews or using your own eyes to preview flowering issues before purchasing remains the gold standard.

Bloom is constantly improving, but OLED is still the benchmark, and LEDs won’t reach that level until we reach micro-LED technology.

How to Minimize or Avoid Blooming

If you already have a mini-LED display, there are some things you can do to reduce the blooming if you notice it and it bothers you:

Check to see if it’s possible to make its anti-hatch technology more aggressive, although this may result in some compromises.
Reduce total brightness or enable automatic brightness.
Increase the light level in the room.

Also keep your TV updated, as the anti-bloom software algorithm may be improved with future versions of the software.

The bloom hasn’t gone away, but it’s less of a deciding factor

In principle, blooming will always be part of mini-LED technology, because once LEDs match pixels, we are no longer in mini-LED territory.

That said, you might be surprised how much you can actually see this problem, and once you see how much better these displays are compared to FALD or other older backlight systems, and how much cheaper they are than OLEDs, it’s a small sacrifice to make.