Backlight unit having a light guide plate with a cut out and a back case with a concave drawing portion and liquid crystal display device using the same
US8373817B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 2, 2009 |
| Grant date | Feb 12, 2013 |
| Priority date | — |
| Expiry date | Feb 6, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0083
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A backlight unit includes a rectangular light guide plate including a first edge and a second edge orthogonally crossing each other. A light source arranged on a flexible substrate emits light to the first edge of the light guide plate and then the light emitted from the light source is emitted to outside from an upper surface of the light guide plate. A connection flexible substrate is connected to the flexible substrate and arranged along the second edge of the light guide plate to outside of the backlight unit. The second edge of the light guide plate facing the connection flexible substrate is cut out at an acute angle to the first edge of the light guide plate to pass around the connection flexible substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.