階調表示可能な動画表示モードを有する新規双安定LCD

概要

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A novel bistable LCD mode named bistable of twisted direction switching LCD (BTDS-LCD) has been proposedby our research group. The bistable switching of the twisted direction for the LC orientation could be done between theright Φ twisted state and the left Φ-π twisted state in this cell by switching the direction of applied electric field.Those field directions were parallel to the cell thickness and the in-plane direction. Furthermore, the monostable operatingwith a gray scale image could be also done when the driving voltage was applied only to the in-plane direction inour BTDS-LCD. The results shows that the high response speed was achieved : 26 ms for ON and 15ms for OFF under the monostableoperating. Next, it was considered that the application to an electronic paper that was a reflective type for lowpower consumption. Then, 21.4 of the high CR was obtained under the bistable mode. There are some possibilities that can be deployed in a variety of applications by using this LCD mode such as thebistable and monostable operations with the high speed switching and the high CR.
2014-04-30