Patent · US Active

LED lamp tube

US7887226B2 · kind B2 · utility

73Cited by
1References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 22, 2008
Grant dateFeb 15, 2011
Priority date
Expiry dateAug 11, 2029

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02B20/30
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An LED lamp tube is disclosed to include a tube that admits light, circuit boards respectively mounted inside the tube, each circuit board carrying an array of LEDs, two end caps respectively capped on the ends of the tube to hold the circuit boards inside the tube and connectable to connectors of a conventional fluorescent bulb holder to secure the tube to the conventional fluorescent bulb holder, and a power cord extending from the circuit boards out of the tube for connection to power supply to obtain the necessary working voltage for the LEDs.

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