| Presentation | 2012-01-28 High Precision Measurement of Twist Elastic Constant K22 of LC Materials Based on the Ellipsometry Analysis Takahiro ISHINABE, Yuzuka MORITA, Yuji OHNO, Tetsuya MIYASHITA, Tatsuo UCHIDA, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | A simple and accurate new method for measuring the twist elastic constant K22 of liquid-crystal (LC) materials was devised. We proposed a novel technique, based on ellipsometry analysis, to determine the director profile of a twisted nematic LC cell in the on state, and successfully obtained the value of K22 with a high degree of accuracy. We validated this procedure experimentally, and showed that it is effective for evaluating the response characteristics of LCDs. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Liquid crystal / High-precision measurement / K22 / Elastic constant / Ellipsometry / Twisted Nematic / In-Plane Switching / Fast Response |
| Paper # | EID2011-26 |
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| Conference Information | |
| Committee | EID |
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| Conference Date | 2012/1/2(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
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| Paper Information | |
| Registration To | Electronic Information Displays (EID) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | High Precision Measurement of Twist Elastic Constant K22 of LC Materials Based on the Ellipsometry Analysis |
| Sub Title (in English) | |
| Keyword(1) | Liquid crystal |
| Keyword(2) | High-precision measurement |
| Keyword(3) | K22 |
| Keyword(4) | Elastic constant |
| Keyword(5) | Ellipsometry |
| Keyword(6) | Twisted Nematic |
| Keyword(7) | In-Plane Switching |
| Keyword(8) | Fast Response |
| 1st Author's Name | Takahiro ISHINABE |
| 1st Author's Affiliation | Department of Electronics, Graduate School of Engineering, Tohoku University() |
| 2nd Author's Name | Yuzuka MORITA |
| 2nd Author's Affiliation | Department of Electronics, Graduate School of Engineering, Tohoku University |
| 3rd Author's Name | Yuji OHNO |
| 3rd Author's Affiliation | Department of Electronics, Graduate School of Engineering, Tohoku University |
| 4th Author's Name | Tetsuya MIYASHITA |
| 4th Author's Affiliation | Graduate Department of Electronics, Tohoku Institute of Technology |
| 5th Author's Name | Tatsuo UCHIDA |
| 5th Author's Affiliation | Sendai National College of Technology |
| Date | 2012-01-28 |
| Paper # | EID2011-26 |
| Volume (vol) | vol.111 |
| Number (no) | 421 |
| Page | pp.pp.- |
| #Pages | 4 |
| Date of Issue | |