Choosing the right passenger information display partner is about much more than finding the right LED.
Passenger information displays have come a long way. From the dot matrix displays of decades past to today's high-resolution LED systems, the technology has changed considerably. But for manufacturers developing the next generation of passenger information systems, choosing the right LED is only part of the equation.
The component has to perform. The display has to be readable. The supply chain has to be reliable. Costs have to make commercial sense. Quality needs to remain consistent over thousands of units and, ultimately, the finished product has to meet the expectations of both the manufacturer and the passenger.
A datasheet can tell you a lot about an LED. It can't tell you exactly how that LED will perform within your product.
Wavelength, intensity, viewing angle, contrast, drive current and thermal conditions can all influence the performance of a passenger information display.
That's why component selection should begin with the application, rather than simply choosing an LED from a catalogue.
For passenger information applications, Forge can support requirements including custom wavelength and intensity binning, single wavelength and intensity bins, black-face packages for improved contrast and low-current binning.
The question shouldn't just be “Which LED do we need?”
It should be “What do we need this display to achieve?”
An LED doesn't operate in isolation.
PCB design, thermal management, optics, electronics and the mechanical environment all have an impact on performance and lifetime. Decisions made in one area can create challenges somewhere else.
Bringing LED expertise into the development process early means these considerations can be addressed as part of the complete system rather than solved individually later.
At Forge, our engineers work across LED selection, electronics, thermal management, optical design, testing and manufacturing, allowing us to look beyond the individual component and consider how it works within the finished product.
Reliability matters in any product. In transport applications, where displays may operate for long periods and across demanding environments, it becomes even more important.
Lifetime claims therefore need evidence behind them.
Access to LM-80 test data and TM-21 lifetime projections can help manufacturers understand expected LED performance and make informed decisions during product development.
Testing and production-representative prototypes can also identify potential issues before a design progresses into volume manufacture. Forge's development process incorporates prototyping before volume production for exactly that reason.
Finding a component that performs brilliantly in a prototype is only useful if you can reliably manufacture the finished product.
Availability, consistency, volume, component lifecycle and manufacturing requirements all need to be considered during development.
A good passenger information display partner should therefore understand the commercial realities of manufacturing as well as the engineering requirements.
At Forge, manufacturability is considered throughout the development process, with a global supply chain and manufacturing model designed to support customers from initial development through to volume production.
The lowest unit price doesn't necessarily create the lowest-cost product.
Component choice can affect PCB design, assembly, power consumption, thermal requirements, testing, failure rates and manufacturing complexity.
Looking at these factors together creates opportunities to engineer cost out of the overall solution without compromising the performance that matters.
That distinction is important. It's not about making a product cheaper. It's about making it better value.
A prototype is one thing. Repeating its performance across hundreds, thousands or hundreds of thousands of units is another.
Quality processes, component control and manufacturing consistency become increasingly important as production scales.
Forge operates ISO 9001 certified quality processes and supports projects from prototypes through to volume manufacturing, helping ensure the product that was designed is the product that ultimately reaches production.
Technology doesn't stand still, and neither does passenger information.
The transition from traditional dot matrix technology through SMD LED displays and towards technologies such as miniLED demonstrates just how much the sector continues to evolve.
A good supplier can fulfil today's specification.
A good technology partner should also be able to help you think about tomorrow's.
Whether the priority is improving display performance, reducing cost, strengthening the supply chain or developing something entirely new, involving the right expertise early can create opportunities that aren't available once the design has already been fixed.
Choosing the right passenger information display partner therefore, isn't simply a sourcing decision.
If you want to talk more about passenger information displays, contact us here.
