HelioJet® SpectrumCC is a full-color LED system for cabin lighting that emits extremely homogeneous light. Photo: SCHOTT/A. Sell
Above the clouds
The light inside an aircraft determines whether passengers feel comfortable. LED technology from SCHOTT is also on board.
Dr. Haike Frank
No question: The best lighting mood comes directly from Mother Nature. Light determines our daily rhythm while the color of light significantly influences our state of mind. Designers of aircraft cabins are increasingly using this insight to make the time we spend on board as pleasant as possible. As an experienced expert on lighting solutions based on specialty glass, SCHOTT creates scenarios for functional as well as ambient lighting. ”We know how light and colors are produced and how to direct and stage them properly,” explains Dr. Burkhard Danielzik, Vice President of Aviation & Automotive at SCHOTT.
”We see great potential for innovative lighting concepts.”
Dr. Burkhard Danielzik, Vice President Aviation & Automotive at SCHOTT
The best light mood on board – including contour lighting. Photo: SCHOTT/A. Sell
”Our sensor technology has been so successful that we are now able to extend this concept to the entire lighting system inside an aircraft – from ambient lighting with a starry sky to contour lighting and reading lights. Then we control all of the light sources in a uniform manner and turn the interior lighting into a complete experience. We see great potential for innovative lighting concepts for airlines interested in differentiating themselves from the competition,” Dr. Danielzik explained. —
True color sensors control the color shade. Photo: SCHOTT
Sensor control for color-stable light
LEDs change their color shades and brightness depending on their age and the temperature. Some age faster than others. This can cause color shifts that noticeably affect the spatial light moods and can prevent colors from being rendered naturally.
Real color sensors simulate this sense of color by using a dichroic coating. They constantly measure and control the color shade of an RGBW (red, green, blue, white) LED group of setpoints. Flight cabin lighting from SCHOTT compensates for the color shifts of the LEDs.
SCHOTT inside an aircraft
SCHOTT is now realizing comprehensive lighting concepts for aircraft cabins that integrate various LED light elements with its true color sensor technology.
The same color shade
The control system measures and regulates the color shade of each RGB LED group on the basis of target values. Even replaced LEDs are individually controlled so that all of the LEDs that are used always shine in the same color shade.
LED light is coupled using an optical light converter and distributed homogeneously. In combination with the sensor technology, this produces uniform and color-stable illumination over the entire life-span of the LEDs.
What does our eye see?The scientist David L. MacAdam has charted the sensitivity of the human eye in a CIE color diagram. True color sensors compensate for drifts in color so that the eye sees no difference.
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