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Executive Summary

JN White™ was contacted by a Department of Defense (DoD) Tier 2 Supplier when they needed assistance designing and engineering a DoD membrane switch with custom tricolor LEDs that would drive an 8” x 12” touchscreen. JN White™ expertly produced a custom membrane switch with three custom LED colors, which is now utilized by the military.

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Membrane Switch

For DoD

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Challenges

The customer needed tricolor LEDs, in color combinations that are not available in market as a single component. The customer’s “pin out” request posed another challenge in that a single membrane switch was not useable. Multiple tails were needed to ensure that they corresponded to the placement of the connectors on the PCB of the end device.

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How JN White™ Helped

In order to master the design of the membrane switch, JN White™ utilized 3D modeling to present each design phase. This type of modeling provided life-like accounts of the membrane switch. To fulfill the customer’s unique color request, JN White™ placed two LEDs on an upper circuit and a third LED on the lower circuit. Since the correct tail placement was imperative in order for the circuitry to work properly, JN White™ considered the number of required tails and tail placement thoroughly while constructing the overall design. After expertly creating a design that encapsulated both of the company’s requests, JN White™ added diffusing film to avoid LED hot spots. This extra step ensured that color would not show through in undesired areas.

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Results

In order to produce the perfect product for the customer, JN White™ developed custom tooling specifically for this particular membrane switch. In addition to producing an expertly crafted membrane switch, JN White™ exceeded the company’s timeline expectations.

Through utilization of JN White™’s design and production expertise, as well as close cooperation between the two companies, the customer received a custom membrane switch tailored to their exact specifications.

Its carefully crafted design and skillful production enables the membrane switch to be used in the military.

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