Plessey manufactures low cost high efficiency low and mid power GaN-on-Silicon blue die. The die can be customised for packaging for a wide range of applications in general lighting including industrial, retail, hospitality and outdoor applications. Custom die are available for signage, wearable, display and print head applications. The die can be assembled as single devices or in strings or arrays, for example in CoB designs.
The patented manufacturing process produces a surface emitting structure which has excellent light uniformity and thermal conductivity. Die can be supplied in industry standard sizes up to a maximum of 100mil square. Both 3V and 6V die architectures are available.
Plessey offers its family of blue die in a range of wavelength options, to cover uses from near UV medical products to visible blue light sources. The standard product provides the blue pump for phosphor conversion to white light.