Light guide plate, and backlight unit and display device including the same
US9753206B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 18, 2015 |
| Grant date | Sep 5, 2017 |
| Priority date | — |
| Expiry date | Sep 3, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0036
- 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 body including a light output surface configured to output light, a reflective surface provided opposite the light output surface, and side surfaces provided between the light output surface and the reflective surface; and a plurality of dot pattern formed on a surface of the reflective surface, and the dot pattern includes a central embossed portion protruding to the outside of the reflective surface, a concave portion having a ring shape which surrounds the central embossed portion and recessed and formed in the reflective surface, and an outer embossed portion formed on an outer circumference surface of the concave portion and configured to protrude to the outside of the reflective surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.