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Liquid crystal device, liquid crystal device driving method, and electronic apparatus

專利號
US10867567B2
公開日期
2020-12-15
申請人
SEIKO EPSON CORPORATION(JP Tokyo)
發(fā)明人
Satoshi Yatabe; Naoki Tomikawa
IPC分類
G09G3/36; G02F1/1343
技術(shù)領(lǐng)域
potential,electrode,signal,driving,crystal,com,in,ac,liquid,polarity
地域: Tokyo

摘要

A liquid crystal device includes, peripheral electrodes including three electrodes for ion trapping, and a transistor coupled to each of the three electrodes. A common signal (COM signal) that varies between a first potential and a second potential in a first period is applied to a counter electrode. A driving signal that varies between a third potential and a fourth potential is input to the transistor. The driving signal is coupled to or uncoupled from the peripheral electrodes by the transistor in a unit of a duration equal to or less than ? of the first period. AC signals varying between a positive-polarity potential and a negative-polarity potential, with a potential of the common signal being a reference, in a second period longer than the first period, are applied to the three electrodes of the peripheral electrodes, in a state where phases of the AC signals are shifted mutually.

說明書

The driving signal S1 according to Example 2 applied to the first electrode 121 is a signal of which potential varies between ?5 V and +5 V. The period of the driving signal S1 is six times the first period, and is 50.4 ms (milliseconds) as in the Example 1.

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