Light guide member, planar light source device using the light guide member, and display apparatus
US7901124B2 · kind B2 · utility
2Cited by
2References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 2006 |
| Grant date | Mar 8, 2011 |
| Priority date | — |
| Expiry date | Aug 21, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133606
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light guide member in which a light that has entered one major face from an illuminant is emitted from the other major face, includes a cut portion provided with a specified face inclined toward the other face at a section of one major face that faces the illuminant, and a reflecting portion, which reflects a light emitted from the illuminant, on the inclined face.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.