Display devices with a huge number of pixels and a fine pixel-pitch will be needed for three-dimensional (3D) television (TV) to display a more natural 3D images without requiring the viewer to wear special glasses. One such device that our laboratory is conducting research on is a holographic device called a spatial light modulator (SLM). In this article, we discuss the performance requirements for a holographic 3D display, the current trends in SLM research, and our research on new SLMs.
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