Commercial Aerospace and Rotorcraft Lighting Systems

Passenger Control Unit (PCU)

Membrane Switch Backlighting

Membrane switches are electrical controls for turning a circuit on and off. Backlighting a membrane switch is a great way to market the application and make the legends and keys easier to read. When our customer decided to modernize one of their passenger control units to enhance traveler experience and provide a more sophisticated look to their airplanes, they approached Lumitex for lighting solution. Our engineering team was able to provide a combination of benefits that no other backlighting technology could match.

With eight layers between the slim aluminum bezel base and overlay, we needed a compact, bright, uniform light that wouldn't sacrifice the tactile response of the switch. The design flexibility and thinness of Lumitex's Clad Flat Fiber™ allowed us to seamlessly create a custom solution. At only 0.2mm thick, we extracted light only where it was needed to maximize light output with minimal disruption to the dome switch layer. The superior performance of this user-friendly light guide resulted in our engineers being tasked to produce custom lighting solutions for a variety of their passenger control units.

Key Reasons our Clad Flat Fiber™ Technology was selected

1. Easily integrated
2. Thinness
3. Brightness and Uniformity