QN80F is a representative of the Neo QLED series, which means it's a television with Mini LED backlighting. Unlike its cheaper cousin, the QN70F model, here the diodes are placed directly behind the panel (rather than at the edges), which gives a solid advantage in contrast control right from the start. In the 65-inch variant we tested, we counted 88 local dimming zones – a result that may not be particularly impressive, but as it turned out, sufficient to achieve quite decent results.
In tests based on scenes from movies like Oblivion and The Meg, the QN80F performed well – blacks were deep, and the overall image consistency was eye-catching. However, in more demanding moments (e.g., scenes with a lot of bright details on a dark background), a halo effect appeared. This is where the limitation of the number of zones shows – bright elements could bleed into each other, and some details in dark areas lost sharpness and contrast. In one of the helicopter scenes (The Meg), we even noticed a slight flicker in brightness, as if the television was trying its best to maintain visibility of details at the expense of black depth.
However, these are not problems exclusive to this model – the halo effect or contrast drops in very complex scenes are something most Mini LED televisions struggle with, even the more expensive ones. In its class, the QN80F still performs positively and offers clearly better contrast than the QN70F model with edge lighting. For most users, this will be a level more than sufficient – though not ideal.
Well, let's get to the meat of the matter, which is how the Haier K85F handles black levels and contrast. The key information is that the television uses a VA panel, which is crucial for picture quality in dark scenes. Thanks to this, the contrast is really solid – our measurements showed values around 5000:1, which is much better than those of popular IPS panels.
However, it's important to remember that we are talking about budget equipment. So, we should not expect any advanced technologies, such as local dimming. The backlighting works across the entire screen at all times. How did it look during viewing? We took the movie “Oblivion” with its cosmic landscapes for a test, and we also checked classic black bars in other productions. The effect was quite decent. The blacks had a good depth, but they weren't perfectly inky – a slight, bluish glow could be seen, revealing that the backlighting of the panel was still active.