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It gets more complicated: There's color temperature: warm white (~2800K), neutral white (~4000K), or cool white (~5000K and up). This is a matter of personal t
by RetroTechie 3mo ago
It gets more complicated:
There's color temperature: warm white (~2800K), neutral white (~4000K), or cool white (~5000K and up). This is a matter of personal taste and what you're used to. Perception/preference may vary depending on lighting level: one may prefer ~4500K in a bright room, but prefer warm(er) white if same room is dimly lit.
Then there's the quality of the spectrum a LED outputs, usually denoted by color rendering index (CRI). 70 or lower is poor (cheap), 80+ is good enough for most uses, 90+ is high quality. Pro photographers may seek out specialty 95CRI LED lighting, or go for halogen lamps.
Parents' problem has nothing to do with the above! Flicker is caused by non-constant current put through the LED(s). Usually caused by cheap/crappy driver electronics integrated in a LED bulb.
There's ways around this. So you can have LED lighting that's nice to look at, flicker-free & efficient. No need to bring in incandescents. But it takes effort to find a fixture with a high-CRI powerLED of your chosen color, and combine that with driver electronics which puts a constant current through the LED (as opposed to varying current whose average is constant).
Search term: "Chip-on-board" (CoB LED).