Transmissive active grating device
US7583428B2 · kind B2 · utility
1Cited by
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13Claims
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Key dates
| Filing date | Sep 10, 2007 |
| Grant date | Sep 1, 2009 |
| Priority date | — |
| Expiry date | Oct 11, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/12
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Provided is a transmissive active grating device that transmits light or diffracts light according to an applied voltage. The transmissive active grating device includes: an electro optical material layer which transmits light; a first electrode formed on a bottom surface of the electro optical material layer; and an array of a plurality of second electrodes arranged on a top surface of the electro optical material layer in parallel with each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.