Patent classifications
G
G03
G03H
2270/00
G03H2270/30
G03H2270/30
LIGHT MODULATING DEVICE AND OPERATING METHOD THEREOF USING VOLTAGE-VARIED LC
An apparatus for creating a holographic image, comprising: a first polarizing plate; a metasurface configured to create a first holographic image by modulating a polarization state of a light beam passing through the first polarizing plate; a controller configured to supply voltage to a voltage-varied liquid crystal (LC); and the voltage-varied LC configured to create a second holographic image by modulating a polarization state of the first holographic image according to the voltage and operating method thereof are provided.