Display apparatus and method of manufacturing optical sheet for the same
US8334944B2 · kind B2 · utility
1Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2009 |
| Grant date | Dec 18, 2012 |
| Priority date | — |
| Expiry date | Mar 31, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133607
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display apparatus includes a display panel and a backlight unit for an embodiment. The display panel includes a plurality of pixels and the backlight unit supplies light to the display panel. The backlight unit includes a light source, which generates the light, and an optical sheet. The optical sheet includes a plurality of prism patterns formed on a surface of the optical sheet facing the display panel. The prism patterns include a plurality of peaks and a plurality of valleys to change the path of the light, and a plurality of diffusion patterns arranged at the peaks and valleys.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.