Surface light source device with frame including light source and light guide plate
US8870438B2 · kind B2 · utility
1Cited by
8References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 25, 2011 |
| Grant date | Oct 28, 2014 |
| Priority date | — |
| Expiry date | Aug 13, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0083
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A surface light source includes a light source facing an end face of a lightguide plate, a rectangular-shaped frame surrounding an outer peripheral surface of the lightguide plate, and a reflecting sheet is disposed on a lower surface of the frame. The frame is formed such that an inside frame portion is made of a white resin and an outside frame portion is made of a black resin. The inside frame portion and the outside frame portion are integrally molded by a two-color molding method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.