Light guide plate with alicyclic resin
US6633722B1 · kind B1 · utility
62Cited by
10References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 27, 2000 |
| Grant date | Oct 14, 2003 |
| Priority date | — |
| Expiry date | Oct 27, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133615
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light guide plate which is made of a polymeric resin having an alicyclic structure and has recesses for reflection formed on a light reflecting surface, the recesses being so arranged that the density of the recesses increases with the distance from a light source. Each recess is preferably a V-shaped groove each having an angle of 70° to 150° and a depth of 1 &mgr;m to 1000 &mgr;m or a groove which is long and approximately perpendicular to the direction in which light is incident at any position on the light reflection surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.