Technology News

The Effect of Tunable White Lighting On Your Daily Life

Views : 1047
Author : Laura Luo
Update time : 2020-12-10 10:46:11
Tunable white LED lighting is a groundbreaking type of lighting that technically combines multiple lighting sources. Without these multiple sources, the shifting or tuning that we are describing would be impossible. It is only through specific changes, turning off one LED and turning on another, that we can achieve the incredible effects for which this type of lighting has become known. A marvel of both engineering and human psychology, tunable white LED lighting promises to change the world in a significant way – to a degree that no other type of lighting has since the first incandescent lightbulbs appeared on the market in the 19th century.

 Tunable white light is a technology that enables users to adjust the color temperature of a lamp in real time. For LEDs, users modify the correlated color temperature (CCT) and intensity of the source with an input, such as a slider control or intelligent lighting management system.The range of attainable color temperatures varies by product: a typical range may lie somewhere between 2700K and 6500K. 

Tunable whites use colour mixing
Standard LED color-mixing uses red, green and blue channels that are adjusted to deliver the entire range of the colour spectrum. Tunable-whites work in the similar way, using of a number of controllable channels to adjust the colour temperature of the luminaire’s white light output. The channels in a tunable-white system all produce white light, but with varying colour temperatures, from a warm tone to a cool tone.
Inevitably, there are levels of sophistication involved in tunable-white systems and it’s vital that the specifier understands not only what is required from the lighting, but also what any particular system is capable of delivering.
Simple systems use two lines of LEDs
Take a warm white LED and sit it next to a cool white LED and cross-dim between the two. Job done? Well, not quite. It’s true that the cheapest tunable whites work in exactly this way. The most basic tunable linear systems use LED strips mounted side-by-side. One channel will be close to 2700K in colour temperature, with the other up around a cool 6000K. The LED strips are mounted inside an aluminum extrusion fitted with an opal diffuser, which does the colour mixing as the light passes through it. It’s very simple engineering but satisfies a basic market with low performance expectations.
Multi-chip versions do the mixing at chip level.
More products are using ‘multi-chips’ where a number of tiny LED chips are combined into the same module. This means that the colour mixing occurs as the light leaves the module. Their very small size means that tunable-white products can be made much smaller, so we’re starting to see downlights using the technology as well as linear systems. These multi-chips tend to have a higher performance specification than the individual LED strips, but nothing should be left to chance.

Unlike any other type of lighting, tunable white LED lighting connects directly to our minds, not physically but conceptually. Because we can shift the color temperature in a tunable white LED lighting fixture, we can optimize it according to the environment or even according to the time of day. With Tunable White, we can also adjust the color temperature of your home to fit the time of day and the activities they bring. We are all affected by light – happy and content on sunny summer days, morose and lethargic during cloudy weather and bleak winter nights. A bright, daylight atmosphere can keep us alert and on-task during the day, while warm, amber tones help us to relax and enjoy home life and romance in the evenings. When you look good, you feel good, and the warmth of Tunable White can help you look your best. With Tunable White LED technology in your living room, bedroom, and even your bathroom, you can explore the endless lighting climates available, and find the perfect balance for your own life. It’s truly something you must live with to fully appreciate.
What is the Benefits of tunable white?

*Create engaging spaces
Tunable white solutions offer the freedom to create different ambiances in offices, schools, retail spaces, and healthcare environments
*Support to Human Circadian System
One widely known fact about effect of lighting on occupant health is its role in circadian paces. 
Circadian paces are like an internal clock that tells our bodies when it is time to wake and when it is time to sleep. Buildings have historically had a negative affect on these natural biorhythms by providing few windows for natural daylight and harsh lighting that tricks the human body into thinking that it is day time.
*Behavior Control and Focu& Increased Productivity
More studies have found that color temperature can also have a profound affect on attention and focus.
Working under the right lighting also helps us work diligently and increases our productivity ratios. Having the ability to tune the lights according to the needs of moods have a definite impact on productivity because of our circadian 
paces. If we are in a well-lit environment that natural mode is stimulated and we are much more energetic and focused. In classroom environments, it can be used to calm students say before they begin a test or invigorate them to pay attention during a lecture.
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