Light guide plate, and backlight unit and display device including the same
US9753209B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 18, 2015 |
| Grant date | Sep 5, 2017 |
| Priority date | — |
| Expiry date | Sep 2, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0065
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided are a light guide plate, and a backlight unit and a display device including the same. The light guide plate includes a light output surface configured to output light to the outside, a reflective surface positioned opposite the light output surface, a light incident surface provided on at least one side surface of side surfaces which connect the light output surface and the reflective surface, and configured to receive light projected from a light source, and a reflection pattern having an embossed portion formed to protrude to the outside of the reflective surface and a concave portion having a ring shape which surrounds the embossed portion and recessed in the reflective surface, wherein the embossed portion has a recessed region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.