Human-Centric Lighting 2.0 (HCL)

150 years ago we spent 90% of our time outdoor under the blue sky, today most of us spend almost 90% of our time indoors. The human circadian rhythm can be altered if we don’t receive regular and direct exposure to different levels of lighting, which can lead to health issues through the years.

HCL is light supporting the individual persons circadian rhythm - the 24-hour internal human clock, and can help improve circadian rhythms, mood, performance and even your health. In HCL the focus is placed on people, their health and the influence of artificial lighting on well-being and is being considered the next big thing in intelligent lighting control according to a 2013 market study performed by AT Kearney.

But the lighting industry does not find consensus in the definition of HCL. It is LIGHTEN's mission to contribute to the definition of HCL and become a first mover in developing intelligent and personal solutions in an evolving market.

Human-centric lighting is personalized light control system that helps synchronizing the users circadian rhythm—the 24-hour internal human clock controlling hormones, organs and cells in our body.

How Human Centric Lighting (HCL) works and how it promotes health and wellbeing:

Health related benefits from working with HCL:

  • Improved circadian rhythm
  • Improved quality of sleep
  • Enhanced drug efficacy
  • Increased emotional stability and lower rates of depression.
  • Improved healing and recovery
  • Shorter hospitalization
  • Staff less dependent of patients
  • Better task light for staff
  • Highly productive staff
  • Reduced sick leave amongst staff

Work related benefits from working with HCL:

  • Supports the human circadian rhythm.
  • Individualized maximization of concentration and energy.
  • Improved task performance and productivity.
  • Improved error rates.
  • Reduced stress level and sick leave.
  • Increased employee motivation and commitment.
  • Improved safety and productivity in the workplace.
  • Biorhythm adjustments for night shift workers.
  • Less energy consumption and CO2 output.

Study related benefits from working with HCL:

  • Individualized maximization of concentration and energy.
  • Extending and deepening concentration periods.
  • Improved learning and better results.
  • Individual light for special tasks and needs.


Personalized Intelligent Lighting Control System