Patent · US Expired

LED diffusion assembly

US6488392B1 · kind B1 · utility

108Cited by
15References
10Claims
0Family size

Inventor

Key dates

Filing dateJun 14, 2001
Grant dateDec 3, 2002
Priority date
Expiry dateJun 14, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S362/80
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An LED diffusion assembly having a concave tip portion shaped and dimensioned for the diffusion of light emitted thereby. The assembly includes a bulb portion and first and second leads extending within the bulb shaped portion. The assembly also includes LED dice embedded in the bulb shaped portion and coupled to the first and second leads in a manner allowing for transfer of electrical energy to the LED dice. The bulb portion includes a concave tip substantially opposite the LED dice, wherein the concave tip is shaped and dimensioned for diffusing light emitted by the LED dice.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.