Light guide member and backlight unit including light guide member
US7568827B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 23, 2007 |
| Grant date | Aug 4, 2009 |
| Priority date | — |
| Expiry date | Mar 23, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0053
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light guide member for guiding light incident thereon from a light source, the light guide member including a plurality of the first grooves extending along a first direction on a first side of the light guide member, a plurality of second grooves extending along a second direction on the first side of the light guide member, the first direction may cross the second direction such that the first grooves and the second grooves may form a matrix pattern on the first side of the light guide member, wherein a polygonal shaped projection is formed between every two adjacent ones of the second grooves and a corresponding two adjacent ones of the first grooves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.