Patent · US Active

Backlight unit

US7534023B2 · kind B2 · utility

2Cited by
4References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 29, 2006
Grant dateMay 19, 2009
Priority date
Expiry dateJun 29, 2026

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K1/182
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A backlight unit having a supplementary lamp for a smooth starting operation includes multiple light-emitting lamps arranged in one direction on a cover bottom; an inverter printed circuit board (PCB) provided at one rear side or both rear sides of the cover bottom; a first hole provided at a predetermined portion of the inverter PCB; a supplementary lamp provided in the first hole of the inverter PCB; and a second hole provided at a predetermined portion of the cover bottom corresponding to the supplementary lamp.

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