Patent · US Expired

Light-guide plate and method for manufacturing the same

US7128459B2 · kind B2 · utility

32Cited by
5References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 2002
Grant dateOct 31, 2006
Priority date
Expiry dateFeb 22, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/133616
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A light-guide plate (1) arranged at a display face (2a) of a liquid crystal (2) and illuminates radiating light from a light source (3) to the display face (2a) is constructed by a light permeability base portion (10) having a first face (8), a second face (9) of the rear face side of the first face (8), and a third face (5) guiding light from the light source (3) from side face, an adhesive layer (11), and light permeability sheet (12) forming plural prism grooves on a light emission face (6) with the predetermined interval and providing on the adhesive layer (11).

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