Optical modulator, display device and manufacturing method for same
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United States of America Patent
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Apr 25, 2006
Issued Date -
N/A
app pub date -
Jan 15, 2004
filing date -
Jan 16, 2003
priority date (Note) -
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Abstract
An optical modulator is provided which can be manufactured by means of a simple process, and a display device, and a method of manufacturing same. The optical modulator comprises a first substrate having a movable reflective film that oscillates in accordance with the application of an electrostatic force; a light-transmitting second substrate disposed so as to oppose the first substrate and formed with a transparent electrode for applying the electrostatic force, in a position corresponding to the movable reflective film; and a cavity section, demarcated by the first substrate and the second substrate, for restricting the range of oscillation of the movable reflective film. By forming a movable reflective film by a portion of the substrate and determining the range of oscillation of the movable reflective film by the interval between the substrates, an optical modulator of high durability and high precision can be obtained.
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