Patent · US Expired

Frame for fixing light guide plate and backlight unit thereof

US6609808B2 · kind B2 · utility

18Cited by
0References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 15, 2002
Grant dateAug 26, 2003
Priority date
Expiry dateJan 15, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01D11/28
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A backlight unit for a liquid crystal display is disclosed. The unit includes a light guide plate, a reflector, a light source and a frame. The light guide plate further includes a protrusion located on the side surface of the light guide plate, and the frame further includes a first groove, a second groove and a fixing portion. The first groove is connected with the fixing portion, and the second groove is also connected with the fixing portion. The light guide plate is combined with the frame by gliding and inserting the protrusions into the fixing portion through the first and second grooves.

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