Patent · US Expired

Light-emitting device

US6841933B2 · kind B2 · utility

20Cited by
22References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 14, 2002
Grant dateJan 11, 2005
Priority date
Expiry dateJun 14, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2991
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A light-release side of a light-emitting element having a main emission peak wavelength in a wavelength range of not longer than 500 nm is covered with a sealing resin containing organic fluorescent substance-containing silicone as an additive.

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