PHASE MODULATION DEVICE

The phase modulation device (1) includes an image data generator (2), a gradation data generator (3), an adjustment voltage controller (5), and a reflective liquid crystal element (10). The image data generator (2) generates image data (DD) corresponding to a distribution of phase change amount or a...

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Bibliographische Detailangaben
1. Verfasser:	NAGOYA Takashi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	The phase modulation device (1) includes an image data generator (2), a gradation data generator (3), an adjustment voltage controller (5), and a reflective liquid crystal element (10). The image data generator (2) generates image data (DD) corresponding to a distribution of phase change amount or a distribution of phase velocity. The gradation data generator (3) generates gradation data (DS) corresponding to each pixel. The reflective liquid crystal element (10) includes a pixel region (21) having a plurality of pixel blocks (25), and an adjustment electrode (41). The adjustment voltage controller (5) applies an adjustment voltage (AV) having a same voltage value as a driving voltage (DV) applied to a pixel electrode (24) of the pixel block (25) adjacent to the adjustment electrode (41).