Diffuser prism sheet with light diffusing element on valley region, LCD back light unit including the same, and LCD device including the same
US8274626B2 · kind B2 · utility
24Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 14, 2009 |
| Grant date | Sep 25, 2012 |
| Priority date | — |
| Expiry date | Oct 4, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133615
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A diffuser prism sheet, an LCD back light unit including the same, and an LCD device including the same, the diffuser prism sheet including a base film made of a transparent material, and a light refracting part on a surface of the base film, the light refracting part including a plurality of unit prisms arranged in one direction, having a predetermined cross-sectional shape and valley regions between adjacent unit prisms, and light diffusing elements in the valley regions between the adjacent unit prisms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.