LED Lighting Design Should Not Only Consider Color Temperature

Humans Factor In Lighting, also known as comfort Lighting, is the idea that light changes according to people's daily routine. The idea originated in Europe to make people live in a comfortable lighting environment. LEDs?are easily regulated light sources that can be adjusted by biological physiological cycles, but they still need to take into account spectral distribution and color temperature conditions.????

Lighting is not the only factor affecting Circadian Rhythm, but it is critical. Some scientists believe that lighting can affect people's mood, health, and energy.

Pros and cons of Humans Factor In Lighting

However, the application of LED to Humans Factor In Lighting?has its pros and cons. For example, blue light belongs to cold white light, which is close to natural light. It is conducive to concentration and can be applied to students' classrooms and offices.?Prolonged exposure to blue light, however, also inhibits the growth of melatonin, affects sleep quality, the immune system, and may cause physical disorders.

According to scientific research, blue light can control the amount of insulin, so long-term exposure to blue light at night can cause insulin resistance, that is, the decrease of insulin and the inability to control blood sugar, which has been linked to obesity, diabetes, hypertension and other diseases.

LED Lighting?Design?Should Not Only Consider Color Temperature

Be flexible.

When designing LED lighting, we should take into account the spectral energy distribution and color temperature, which is expressed in absolute temperature "K" and represents the spectral components of different light sources. The color temperature of blue light falls above 5300K, which belongs to medium and high color temperature and has a sense of brightness.?On the contrary, red and yellow light belong to the warm color light, the color temperature is below 3300K, let people have a warm, healthy, and relaxed feeling, suitable for home use?(via wiki By Bhutajata CC BY-SA 4.0).

However, under the condition of the same color temperature, there will be different spectral distribution due to the influence of different viewers and other factors such as climate and environment.?Therefore, Deborah Burnett, a consultant at Optical and Lighting Design, believes that configuring proper light distribution and CCT design according to environment and project requirements is the key factor affecting the human eye and body.?

The flexible setting and adjustment of the fixture?can better meet the design requirements, and the adjustable CCT setting can better match the color temperature requirements of the project and the environment.