Patent · US Active

LED back light module and liquid crystal display device

US8523422B2 · kind B2 · utility

2Cited by
0References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 18, 2011
Grant dateSep 3, 2013
Priority date
Expiry dateDec 13, 2031

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/133314
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The present invention discloses a LED back light module and a LCD device, wherein the LED back light module comprises a lamp source fixing device for fixing the LED light bar, and a light guide plate which is arranged oppositely to the LED light bar; wherein said lamp source fixing device is fixedly connected with said light guide plate. The present invention can guarantee high incidence rate under various temperature conditions by keeping the light coupling distance between the LED and the light guide plate unchanged.

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