LED Office Lighting: the Best Color Temperature to Increase Productivity
May 27 2019
There was a time when people wanted to know more about the positive impact of LED lighting. Many studies have been conducted to understand the extent to which LED lighting affects the productivity and alertness of workers and school staff. Research has even been done on U.S. army soldiers to understand how different lighting affects their productivity - soldiers show slower response times on cognitive tasks that measure spatial and verbal memory using fluorescent lights rather than LED lighting.
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In this article, we introduce you to color temperature and how it positively affects people's productivity when they work. We will also tell you the specific color temperature is the best choice for which office. Has begun!
First thing: what is color temperature?
It is easy to note that the color temperature is measured in kelvin (K).
Color temperature describes how light appears when the human eye looks directly at a light-emitting bulb. A light bulb with a color temperature of about 2700K appears yellowish-white. As the temperature increases to 3000K and 3500K, the colors begin to become less yellow and whiter. Above 5000K, the color temperature appears bluer.
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Daylight is ideal
In fact, the best type of lighting an office provides to optimize productivity is good natural daylight. Unfortunately, there aren't many offices or any office that has constant access to natural light. So the next best solution is to mimic natural light with artificial light. The color temperature of sunlight is usually between 5000K and 7000K. The color temperature of sunlight at noon is 5600K, which varies according to the time of day and weather conditions.
To provide a feeling of daylight, Superior Lighting recommends using a light source with a color temperature of 5000K or higher for the office.
As you might imagine, the amount of blue light in the light source's spectrum increases as the color temperature increases. The higher the color temperature, the greater the impact on mental activities, alertness and the central nervous system.
How does LED lighting affect us
Bright white light that mimics sunlight can improve workers' performance. In addition to helping people visually accomplish tasks that they would not be able to do without artificial light, the brightness and wavelength of ambient light also affects human physiological systems, biological clocks, emotions and alertness.
Exposure to short-wavelength or blue light during the day directly increased alertness and performance, the researchers found. White light, rich in blue light, stimulates the brain and improves alertness, performance and sleep quality. The intensity and color temperature of artificial lighting affects the body's physiological processes, including blood pressure, heart rate variability, and core temperature.
Is fluorescent lighting bad for office workers?
Superior illumination fluorescence interrupted sleep
For years, fluorescent lighting has been the preferred solution for office space worldwide. Until then, the only option was incandescent lighting. Offices can adopt fluorescent lights quickly when they are available because they are a significantly cheaper option.
There are a lot of scary stories about fluorescent lighting, because there were studies of terminology about its effects when it was introduced. Rumors began circulating of migraines caused by fluorescent lights and disrupted sleep patterns. It's even rumored to cause cancer. Let's settle these three rumors.
Fluorescent lights can cause migraines. While fluorescent lights have been shown not to cause migraines, they can sometimes make people who suffer from migraines feel worse. Migraine sufferers are very sensitive to light, and bright lights like fluorescent lights can turn a mild headache into a full-blown migraine.
Fluorescent lights can disrupt sleep patterns. Usually, people who work in offices work during the day, then leave work before evening and have a period of time before they go to bed. For such people, fluorescent lights have no effect on their sleep patterns because they negatively affect the production of melatonin - the natural chemical we produce to help us sleep - when it comes to sleep time.
However, because of a lack of melatonin, people who work at night under fluorescent lights and then go straight to sleep may have trouble falling asleep. In addition, some studies have shown that fluorescent lights can make people tired and sleepy during the day.
Fluorescent lights can cause cancer. The rumor is that radiation from fluorescent lamps has been detected. Studies have shown that the amount of radiation produced by the lights -- about the same as that emitted by mobile phones -- is far from enough to cause cancer.
Is LED lighting better than fluorescent?
Led office lighting is better
LED lighting is certainly better for businesses because it is more energy efficient, the bulbs last longer and the lights can be dimmed as needed, so they use less energy. But is LED lighting better for people who work in offices?
You must remember that overhead lighting is not the only source of light for office workers. Some offices do have Windows, computer monitors, laptops, cell phones, televisions... Office work can sometimes be a bombardment of light.
Anything that helps to weaken a person's morale can lead to imperfect work and make them feel tired and bored. For these reasons, choosing LED over fluorescent bulbs will help make your office environment more pleasant.
The transition from fluorescent to LED lights is one of the best things you can do for your business and for the people you can work for.
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