LED Cap Containing Quantum Dot Phosphors

摘要

An LED device has a cap containing one or more quantum dot (QD) phosphors. The cap may be sized and configured to be integrated with standard LED packages. The QD phosphor may be held within the well of the LED package, so as to absorb the maximum amount of light emitted by the LED, but arranged in spaced-apart relation from the LED chip to avoid excessive heat that can lead to degradation of the QD phosphor(s). The packages may be manufactured and stored for subsequent assembly onto an LED device.

主权项

1. A cap for an LED package having a central well containing an LED and an upper surface surrounding the central well, said cap comprising:
a peripheral portion sized and configured to engage the upper surface of the LED package; a central portion depressed from the peripheral portion forming a cap well; and a plurality of quantum dots in the cap well, wherein the cap well is configured for a conformational fit with the central well of the LED package.