Patent · US Expired

Light-emitting device with improved reliability

US6812503B2 · kind B2 · utility

65Cited by
1References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 27, 2002
Grant dateNov 2, 2004
Priority date
Expiry dateNov 27, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10H20/854

Abstract

The present invention discloses a light-emitting device with improved reliability so as to achieve a prolonged lifetime, better stability and excellent illumination quality. The light-emitting device comprises a substrate; a light-emitting component, having a p-n junction, mounted on a top surface of the substrate so as to be connected to corresponding metal pads through at least one conducting wire; and a cap, formed of a transparent material to have an inward concave, wherein the light-emitting component is disposed in the inward concave such that there is a gap between the light-emitting component and the cap.

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