Patent · US Expired

Double-face LED device for an electronic instrument

US6876149B2 · kind B2 · utility

81Cited by
4References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 23, 2003
Grant dateApr 5, 2005
Priority date
Expiry dateJan 23, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2224/16225
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A double-faced LED device includes a substrate having opposed faces, a central recess formed in each of the opposed faces, a pair of electrode layers formed on each of the opposed faces, the electrode layer having a surface within the central recess formed into a reflector surface, and an LED securely mounted on the electrode layer within the central recess of each of the opposed faces, to which electric current may be applied to emit light from both of the opposed faces.

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