Memcon Question of the Week; What Design Consideration Should Be Used for Placing LEDs in Printed Electronics?

Noting substrate to ink is the weakest bond, consider the design incorporating a bond to substrate.

Printing a dielectric barrier between the pads both frames the conductive silver from shorting and raises the LED a bit to prevent conductive silver from being pressed out.

?Two Adhesive System

–Center Drop of Acrylic Adhesive

–Two Drops of Conductive Adhesive

?Encapsulation–Though not always needed will make more reliable though concerns exists about compatibility of UV encapsulant and conductive epoxies