Ford’s new LED light guided by human psychology

First debuting on the Ford F-150, and now available on the new Ford Fusion, the automaker’s Crystal Diamond Light is designed to disperse broad, even lighting that can help reduce irritability while improving efficiency by up to 62 percent

Autocar Pro News Desk By Autocar Pro News Desk calendar 25 Feb 2016 Views icon2807 Views Share - Share to Facebook Share to Twitter Share to LinkedIn Share to Whatsapp
Ford’s new LED light guided by human psychology

Ford Motor Company has developed an LED lighting innovation called Crystal Diamond Light. According to the automaker, the new lighting improves efficiency up to 62 percent while lowering cost. It also miniaturises the fixture, an aesthetic desired by designers. The diamond-like facets of the lens offer even, broad distribution of light.

The company stated that lighting innovations are guided by human psychology, as lighting inconsistencies and contrast irregularities can cause irritability and even depression

Consider this familiar scenario:

At the end of a long workday, there is still a traffic-clogged roadway to contend with on the drive home. Fellow commuters are stuck too, growing impatient, irritable, and often distracted. As the minutes tick away, the sky grows darker. By the time the car pulls into the garage, the driver is grumpy, even a bit depressed.

Ford lighting designers say this irritable mental state is, in part, due to poor automobile lighting and the mechanisms humans rely on for coping. The lighting experts at Ford are working to make life a bit brighter.

“We know that gradients and homogeneity affect people’s moods,” said Arun Kumar, Ford optics expert and design engineer. “We also know the eye wants to focus on contrast changes and other inconsistencies in lighting – it’s an automatic function of the brain that can irritate mood.”

Crystal Diamond Light first debuted on the Ford F-150, and is now migrating to other models, starting with the new Ford Fusion.

“The efficiency of this lighting not only helps to stabilize the psyche, but also has the potential to affect global environmental savings,” said Kumar. “As we democratize this lighting innovation to a broader audience, the impact could be significant, with millions of gallons of fuel potentially saved on a global scale.”

Interior dash lighting

Ford first began work to update its corporate green interior dash lighting back in 2000. The mandates included choosing a color that is pleasing to the eye – one that provides a higher quality of lighting, with good contrast for twilight and night vision. And because men and women see some colors differently, the shade had to be universally accepted by the color cones of both sexes.  

“Another obvious issue was to design for people who have color deficiencies,” said Shannon O’Day, Ford interactions and ergonomics core engineer. “You can’t use a deep saturated red or green for dash lighting because those are colors people most typically have problems with. Eight percent of the global population has this issue, and most are male.”

Red and green are typically reserved for emergency buttons, such as hazard lighting.

Designers and engineers opted to light the Ford vehicle dashboard in Ice Blue – a color more easily seen and perceived as brighter by the human eye, and one that cuts through the clutter, explained O’Day.

While Ice Blue is the color of choice for illuminating the Ford dashboard, an available feature for many Ford vehicles allows customers to change ambient lighting colors with in-car controls.

Still, it’s the physiology that matters most to designers.

“Color is one among many factors that make lighting functional and pleasing,” said O’Day. “In the end, it’s really about the eye, what it perceives, and how it affects the driver.”

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