Light-guide plate and method for manufacturing the same
US7128459B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2002 |
| Grant date | Oct 31, 2006 |
| Priority date | — |
| Expiry date | Feb 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.