80mil LED chip family offers white, blue, and UV variations

80mil LED chip family offers white, blue, and UV variations

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SemiLEDs Corporation has announced sampling and volume availability of a range of 80x80mil rugged metal LED chips, including white, blue, and UV variations.
By eeNews Europe


The EV-80mil family offers packagers and integrators a wider variety of high-efficiency/high-output choices to address the growing number of applications in both the commercial lighting and industrial spaces. With the new family, a single 80x80mil device will typically replace four 40x40mil LED chips, which simplifies packaging and optical designs, while minimizing color fringing and shadow effects common to multi-chip implementations. SemiLEDs EV family, which combines vertical LED architectures with rugged copper-alloy substrates, has proven to be well-suited for handling the increased thermal and electrical demands of large-chip implementations.

The EV-80mil line is also able to deliver versatility, including die-level white options that incorporate SemiLEDs’ proprietary ReadyWhite phosphor coating technology, which minimizes blue-leakage and delivers color uniformity with tight binning options for low-profile and multi-color white packaged LEDs.

The EV-80mil ReadyWhite chips incorporate SemiLEDs’ proprietary phosphor technology, and when packaged in a typical 5×5 mm ceramic package, can be expected to deliver up to 1200 lumens at 3 A. They are available in correlated color temperatures (CCTs) ranging from 2600 to 10,000K with color rendering indices from a minimum 65 to a minimum of 90, after packaging. Combined with their vertical LED chip architecture, SemiLEDs’ ReadyWhite solutions deliver a package-ready white chip to COB, single-die or multi-die packaging applications, eliminating requirements for sophisticated and costly phosphor manufacturing technology. When driven with currents below 1.0 A, with the 80mil ReadyWhite chips deliver up to 145 cool white lumens per watt in typical package configurations, and are suited for such applications as outdoor street or area lighting, or heavy duty flashlights/torches.

The 80mil blue chips are available in standard wavelengths from 445 to 460 nm, with options up to 470 nm additionally available upon request, and deliver up to 4000 mW of optical power at 450 nm in typical ceramic packaging. As single-chip implementations, the ReadyWhite and blue chips are ideally suited to narrow beam pattern kilolumen applications that benefit from simplified optics and compact emitter sizes, including projectors, MR/GU/PAR spotlights, and automotive front lighting. The reduced chip count from the larger devices also simplifies system architectures for high-bay and other multi-die kilolumen applications.

The UV 80mil is offered in wavelengths ranging from 360 to 420 nm with optical outputs up to 4000 mW when driven at 3 A in typical ceramic packages. For industrial applications, including spot curing of polymers, inks, and adhesives, to 3D printing and fiber optic coupled systems, the 80mil design enables an 8-10 W single chip point source, eliminating the need for sophisticated optic designs to collimate light, as well as avoiding dark gaps inherent to designs that use multiple smaller chips. The single chip approach increases flexibility for varying the beam patterns through secondary optics, increases UV exposure consistency, and maximizes delivered UV optical power across the target areas.

SemiLEDs’ EV-80mil series of LED chips is RoHS compliant with production quantities available now.


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