Ignore the HDR app. Multiple local dimming zones are required for this feature to work properly. The number of such zones may vary on different TVs. For example, cheap models have several dozen independent backlight zones, while flagship models have several thousand. But this applies to TVs with LCD matrix (QLED, NanoCell, QNED, etc.), while in OLED each pixel is a separate local dimming zone.
See “fake” screen refresh rate. There are two main refresh rates for TVs in general. These are 60 Hz and 120 Hz. Sometimes you may also encounter 144 Hz. The rest of the numbers are just marketing.
Choose OLED only. This type of matrix has serious disadvantages. Even in 2023, pixels in such matrices burn out, and this can be noticed even six months after purchase. Additionally, OLED panels have lower maximum white field brightness.
Diagonal below optimum. For comfortable viewing, the ratio of the diagonal to the distance to the person should be 1 to 1.5…2. It is also important that the TV is at the user’s eye level.
Evaluation of image quality based on demo videos in the store. These videos are characterized by artificially increased contrast, maximum brightness, high saturation and unnatural color rendition.
Source: Ferra
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