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Human Centric Lighting (HCL)
Health-promoting lighting designHuman Centric Lighting, or HCL for short, is a new focus in the lighting industry. The term refers to light that focuses on people and their well-being, performance and health. HCL luminaires use modern LED lighting technology and powerful lighting control to automatically adapt the quality of light to the natural biorhythm.
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Understanding HCL:
What you need to know:format(jpeg) "Light color")
The light color, measured in Kelvin, indicates how warm, neutral or cool the light appears. HCL lamps are based on the light color of sunlight at certain times of day and change automatically. This improves performance and supports a healthy circadian rhythm (sleep-wake rhythm).
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Today, the brightness of a light source is measured in lumens, not watts. HCL light automatically adjusts the lumens to a comfortable level for the user using dimmable LED light sources. To do this, brightness sensors measure the ambient brightness. Of course, the brightness can also be adjusted manually to suit your own needs or tasks.
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Conscious use of energy resources has become an integral part of lighting today. HCL luminaires are equipped with sensitive sensors that also register static activity such as typing on the keyboard. If no one is in the room, the light switches off automatically and saves electricity.
How does Human Centric Lighting work?
HCL luminaires have high-quality, innovative LED lighting technology that can adapt the light color to the natural course of the day. In this way, they provide people with exactly the right light for the respective life or work situation. In addition to an automatic timer, it also uses precise sensors that detect the ambient brightness depending on the time of day and react in real time by adjusting the brightness.
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Light with a high blue component to stimulate the biorhythm, to activate people so that they can start the day awake.
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Different light intensities depending on the incident daylight to promote concentration and improve performance and receptiveness.
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Light with a decreasing blue component to restore the natural wake-sleep rhythm and find rest and relaxation at night.
As healthy light, Human Centric Lighting therefore has a positive effect on people's biorhythms. Many processes in the body work best when we are outdoors. As this is not possible for every working person, artificial lighting is optimized to enable maximum efficiency and well-being.
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HCL light simulates the natural course of real daylight and is therefore particularly biologically effective.
What effects does Human Centric Lighting have on physiological processes?
Human Centric Light's simulated, natural light has an effect on emotional and biological processes. In addition to photoreceptors (rods and cones), the human eye also has light-sensitive ganglion cells. These are responsible for the day-night rhythm, i.e. our internal clock (also known as the circadian rhythm). The ganglion cells regulate our melatonin balance, which in turn ensures healthy, restful sleep. Other hormones that are influenced and increase our performance are cortisol, dopamine and adrenaline.
- Work better
- Sleep better
- Feel better
Where is Human Centric Lighting used?
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One of the main applications for HCL lighting is office lighting - both professional and home office. The supply of high-quality light is particularly important for sedentary indoor activities and VDU workstations in order to be able to concentrate on work for long periods and feel comfortable at the workplace.
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Another useful application for HCL light is in educational establishments. The lighting automatically adjusts to the biorhythm depending on the time of day, increasing the ability to concentrate and absorb light. Learning performance and memory function are improved and the error rate is reduced.
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Another application for Human Centric Lighting can be found in the healthcare sector. The positive effects of HCL on health and the circadian rhythm improve patient well-being. A healthy day-night rhythm is extremely important in hospitals and care facilities such as retirement homes.
What are the effects of poor lighting conditions?
The opposite of human-centered lighting (little or no control options, low daylight incidence, insufficient luminous flux from artificial light sources and other disruptive factors such as glare) can lead to tiredness, listlessness and lack of concentration. Personal well-being can also be improved in the home environment with contemporary lighting that is aligned with the biorhythm.
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Lighting design from a professional
We have our own specialist department for the professional furnishing of commercially used rooms with optimum light, which supports commercial businesses with lighting design.
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HCL with smart home lighting
Many modern smart home products have CCT control. This refers to the adjustability of the light color. With this function, the Kelvin value can be adjusted to the course of the day, as with "real" HCL lighting. In addition, most smart home light sources can be programmed via app. This allows routines to be designed that correspond to the natural course of daylight.
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Many smart home lamps allow the light color to be set individually. In the store, make sure that a range or several selectable colors are specified for the light color. This differs from product to product.
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A CCT and dimming function is also built into many luminaires. Here too, we specify the exact range for the light color change in the store. The warmest and coolest light shade differs from product to product.
How to set the smart home lamps or lights with integrated CCT function
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Daylight white light (>5,300 Kelvin) in the morning. You may also know this from the light alarm clock, which wakes us up with activating daylight. If you also use it in the bathroom during your morning bathing routine, for example, you will feel the awakening effect all the more.
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Warm white light (<3,300 Kelvin) in the evening. This is familiar from the automatically warming backlight of a smartphone or tablet. The warm white light promotes better sleep as it puts the body in the mood for sleep.