Thin-walled LEDs for mobile phones

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he Japanese plastic converter Nissei Industries Ltd. has produced the thinnest low-profile side view light-emitting diodes (LEDs) specially designed for thin-profile mobile phones. This ultra-thin LEDs are 0.4mm high and are made from a 22% mineral filled, light-stabilized, high-reflectivity polyphthalamide (PPA) material supplied by the Belgian material producer Solvay Advanced Polymers i.e. Amodel™ A-4422 LS WH118. This grade allows to fill very thin walls and runs in high-cavity molds up to 264 cavities. It has a fast crystallization rate and offers higher flow, faster cycles, lower flash and greater overall performance than conventional glass fiber reinforced polyamide-9T materials. The PPA ultra-thin LED reflector cups are injection molded onto the lead frame by Nissei Industries and supplied to a Taiwanese packaging company that produces LEDs for the mobile phone industry.

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