Optimized blue-phase liquid crystal for field-sequential-color displays
We report an optimized blue phase liquid crystal (BPLC) mixture JC-BP08 for field-sequential-color (FSC) display applications. JC-BP08 exhibits several attractive features: 1) its fast average gray-to-gray response time enables FSC display, which in turn triples the resolution density and optical ef...
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| Veröffentlicht in: | Optical materials express 2017-02, Vol.7 (2), p.641-650 |
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| container_title | Optical materials express |
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| creator | Huang, Yuge Chen, Haiwei Tan, Guanjun Tobata, Hitoshi Yamamoto, Shin-ichi Okabe, Eiji Lan, Yi-Fen Tsai, Cheng-Yeh Wu, Shin-Tson |
| description | We report an optimized blue phase liquid crystal (BPLC) mixture JC-BP08 for field-sequential-color (FSC) display applications. JC-BP08 exhibits several attractive features: 1) its fast average gray-to-gray response time enables FSC display, which in turn triples the resolution density and optical efficiency. 2) Its voltage holding ratio is >99.4% at 25[degrees]C and >93.2% at 60[degrees]C. 3) Its average dielectric constant [epsilon]'[approximate]87 is still manageable by the bootstrapping driving to enable 240 Hz operation. 4) Using a triangular protrusion electrode structure, the transmittance can reach 74% at 15V, which enables single-TFT driving. 5) With two-domain structure, it offers indistinguishable gamma shift and wide viewing angle. We proposed a voltage charging model and found a linear relationship between the required charging time and [epsilon]', which is validated by our experimental results. |
| doi_str_mv | 10.1364/OME.7.000641 |
| format | Article |
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| ispartof | Optical materials express, 2017-02, Vol.7 (2), p.641-650 |
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| source | DOAJ Directory of Open Access Journals; EZB-FREE-00999 freely available EZB journals |
| subjects | Charging Dielectric constant Displays Electric potential Electrodes Liquid crystals Transmittance Voltage |
| title | Optimized blue-phase liquid crystal for field-sequential-color displays |
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