空間光変調装置および空間光変調方法

申请公布号：JP5779360(B2)

申请号：JP20110029915

申请日期：2011.02.15

申请公布日期：2015.09.16

分类号：G02F1/133;G02F1/13;G09G3/20;G09G3/36

主分类号：G02F1/133

摘要：<p>A spatial light modulation device includes a liquid crystal layer modulating a phase of incident light according to a level of an applied electric field, a temperature sensor generating a temperature signal corresponding to a temperature of the liquid crystal layer, a plurality of pixel electrodes provided for each of a plurality of pixels and applying a voltage to the liquid crystal layer, and a driving device providing a voltage to the plurality of pixel electrodes. The driving device has a nonvolatile storage element storing in advance a coefficient alpha included in a function expressing a correlation between a temperature change amount in the liquid crystal layer and a variation in phase modulation amount in the liquid crystal layer, and performs a calculation for correcting a level of voltage by use of a temperature indicated by the temperature signal and the coefficient alpha.</p>

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