Backlight unit and display device having the same
US8780299B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2011 |
| Grant date | Jul 15, 2014 |
| Priority date | — |
| Expiry date | Oct 24, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0038
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided are a backlight unit and a display device having the same. The backlight unit includes a light source configured to generate light and a plurality of light guide members stacked so that individual surfaces of each light guide member contact a surface of another one of the light guide members, the plurality of light guide members configured to guide the light. Each of the light guide members includes a light incident for receiving incident light from the light source, an opposite surface facing an adjacent one of the light guide members, and a plurality of light path change patterns disposed on the opposite surface. Thus, brightness of the display device may be improved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.