Patent ID: 9570661
Date: 2017-02-14
CPC Classifications: F21K,F21V,F21Y,H01L

Claim:
1. An LED lamp comprising: at least one LED element energizable through an electrical connection and internal electrical components, wherein the internal electrical components comprise at least one of a power supply, driver, AC/DC converter, and associated electrical path or circuitry thereof; a frangible enclosure having an internal surface and an external surface, the frangible enclosure coupled to a threaded metal base; the frangible enclosure enclosing the at least one LED element and at least a portion of the internal electrical components, the frangible enclosure having a main body that tapers to a narrow neck in proximity to the metal base; wherein at least one LED element is positioned above the narrow neck and is capable of directly emitting light through the narrow neck; and a coating comprising one or more phosphors, diffusers, and lanthanide oxides, the coating covering one or both of the internal surface and the external surface of the frangible enclosure, the coating providing impact and shatter resistance to the frangible enclosure; wherein the main body of the frangible enclosure has an apex and a wide portion tapering to the narrow neck, and wherein the coating about the apex or the wide portion is of a different thickness than that about the narrow neck.