Backlight module having optcial fiber
US8985826B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2012 |
| Grant date | Mar 24, 2015 |
| Priority date | — |
| Expiry date | Jan 6, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133601
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A backlight module includes a back cover, a light source located on the back cover, an optical fiber located on the back cover and over the light source and having a light-incident hole facing the light source and a plurality of light-emergent windows opposite to the light-incident hole. A plurality of light shutters correspondingly covers the light-emergent windows. A controlling device is provided for controlling the open and close of the light shutters. Light emitted from the light source and entering the optical fiber is permitted to leave the optical fiber from the light-emergent windows whose light shutters are opened. The light is not permitted to leave the optical fiber from the light-emergent windows whose light shutters are closed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.