Ultrafast switching of randomly-aligned nematic liquid crystals
We propose an ultrafast nematic liquid crystal (LC) device without alignment layers, where both the dark and bright states can be realized by applying an electric field. A vertical electric field is applied to vertically align the LCs for the dark state, whereas an in-plane electric field is applied...
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| Veröffentlicht in: | Optics express 2012-05, Vol.20 (11), p.11659-11664 |
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| container_end_page | 11664 |
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| container_issue | 11 |
| container_start_page | 11659 |
| container_title | Optics express |
| container_volume | 20 |
| creator | Song, Dong Han Kim, Jung-Wook Kim, Ki-Han Rho, Soon Joon Lee, Hyeokjin Kim, Heeseop Yoon, Tae-Hoon |
| description | We propose an ultrafast nematic liquid crystal (LC) device without alignment layers, where both the dark and bright states can be realized by applying an electric field. A vertical electric field is applied to vertically align the LCs for the dark state, whereas an in-plane electric field is applied to homogeneously align the LCs for the bright state. We achieved a total response time of less than 3 ms in the proposed device. This device may contribute, not only to a significant improvement of the switching speed in liquid crystal devices, but also to the simplification of the device fabrication by the omission of the alignment layer coating and the rubbing process. |
| doi_str_mv | 10.1364/oe.20.011659 |
| format | Article |
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| ispartof | Optics express, 2012-05, Vol.20 (11), p.11659-11664 |
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| language | eng |
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| source | MEDLINE; DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection |
| subjects | Electromagnetic Fields Equipment Design Equipment Failure Analysis Liquid Crystals - chemistry Liquid Crystals - radiation effects Materials Testing Radiation Dosage Refractometry - instrumentation Signal Processing, Computer-Assisted - instrumentation |
| title | Ultrafast switching of randomly-aligned nematic liquid crystals |
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