Fine pitch grid polarizer
US8913321B2 · kind B2 · utility
9Cited by
388References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 27, 2012 |
| Grant date | Dec 16, 2014 |
| Priority date | — |
| Expiry date | May 28, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB82Y20/00
- WIPO fieldMicro-structural and nano-technology
- WIPO sectorChemistry
Abstract
A grid polarizer including an array of groups of parallel elongated ribs disposed over a substrate. Each group of elongated ribs can comprise at least four ribs. Tops of two center ribs, at a center of each group, can be substantially the same elevational height and can be higher by more than 10 nm than tops of outer ribs of the groups. A region between adjacent ribs can have an index of refraction substantially equal to one. Some or all of the ribs can comprise polarizing wires disposed over substrate rods.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.