Backlight module and display device using the same
US8622600B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 10, 2011 |
| Grant date | Jan 7, 2014 |
| Priority date | — |
| Expiry date | Jul 12, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133614
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An exemplary backlight module includes a frame, a light guide plate, a light source module and an optical film. The light guide plate is arranged on the frame and includes a light-incident surface and a light-emitting surface adjacent to the light-incident surface. The light source module includes a circuit board arranged between the frame and the light guide plate board, and a light emitting element arranged on the circuit board and facing the light-incident surface. The optical film includes a wavelength shifting portion arranged between the light emitting element and the light guide plate, a second extending portion arranged between the light guide plate and the frame, and a first extending portion connected between the wavelength shifting portion and the second extending portion and arranged between the light guide plate and the circuit board. A display device equipped with the backlight module is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.