期刊
JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY
卷 -, 期 -, 页码 -出版社
WILEY
DOI: 10.1002/jsid.1260
关键词
electro-holography; ferroelectric liquid crystal; holographic display; spatial light modulator
We demonstrated the high-resolution display capability and successful reconstruction of a 3D holographic static image using FLC with a two-layer electrode, showing that FLC is a strong candidate material for holographic displays with wide-viewing-zone angles.
We clarified that a ferroelectric liquid crystal (FLC) has high resolution display capability as small as 1 x 1 mu m pixel pitch using an FLC pixel array with a two-layer electrode, which has a 1 x 1-mu m-checkered apertured electrode and a plane electrode separated by an insulation layer. By applying +2 V to the apertured electrode and -10 V to the plane electrode in the two-layer electrode and 0 V to the transparent common electrode, a checkered pattern was clearly observed, which indicates the successful individual pixel driving with a pixel pitch of 1 x 1 mu m. When fabricating 1 x 2-mu m-pitch rectangular FLC pixels, we elucidated that the liquid crystal alignment direction should be along the shorter side of the pixels to avoid asymmetric transmittance distribution in each pixel. Moreover, we successfully reconstructed a 3D holographic image using 10 x 10 k FLC pixel array with a pitch of 1 x 1 mu m driven by the two-layer electrode with hologram-patterned apertures. We showed that FLC is a strong candidate material for realizing spatial light modulator with extremely small pixel pitches, which is essential for holographic displays with wide-viewing-zone angles. We clarified that a ferroelectric liquid crystal (FLC) has high resolution display capability as small as 1 x 1 mu m pixel pitch using a two-layer electrode and demonstrated a three-dimensional holographic static image with the FLC and two-layer electrode.image
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