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How to design the lighting in the office area2

2. Understand why the lighting in the office area has bought a large wattage lamp for the office, but it is still not bright enough? When most people buy lamps, they will naturally judge the brightness of lamps by "wattage", thinking that the higher the wattage, the brighter the lamps. But now in the LED era, with the same brightness, incandescent lamps may consume 85W of power, while LEDs only need 12W, so judging the brightness of lamps by wattage does not fully meet the requirements. Now it is more important to look at the "luminous flux" " and "Illuminance". Next, let's briefly explain how to understand the "language of light". The luminous flux is like the attack power, the illuminance is like the opponent's damage, and the beam angle is the attack range.
1. Lm = Lumen (luminosity/illuminance) Lumen is used to measure the light emitted by the bulb to all sides. The greater the brightness, the higher the lumen value.
2. Cd = Candlelight (Luminous Intensity) Candlelight is used to measure the light shining in one direction, such as the light projected by a reflected light bulb. The greater the brightness, the higher the candlelight value.
3. K = Kelvin (color temperature) Kelvin is used to measure the color temperature of light. That is, how red (warm) or how blue (cool) the light appears. The higher the Kelvin value, the bluer the light.
4. W = Watts (amount of energy consumed) For example, a 60-watt incandescent light bulb consumes much more power than an 11-watt LED bulb. But wattage doesn't represent brightness -- it's just a measure of energy consumed. If you want to know how bright a light bulb is, look at the number of lumens or candles.