Backlight module and display device with reduced light leakage
US8870439B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 14, 2012 |
| Grant date | Oct 28, 2014 |
| Priority date | — |
| Expiry date | Sep 27, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133317
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This invention provides a display device and a backlight module thereof, wherein the backlight module includes a backplate, a frame body, and a first optical film. The frame body is disposed on the backplate and extending along the inner surface of the sidewall. A concave portion is formed on the frame body and exposes the inner surface of the sidewall. The first optical film has a protrusion portion extending to the concave portion, wherein the frame body extends along the edge of the first optical film. The protrusion portion includes a main body and a shelter portion, wherein the shelter portion bends in opposition to the main body and at least partially shelter a portion of the sidewall exposed by the concave portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.