Development of World’s First Color Electronic Holography Display Systems

Group of researchers at National Institute of Information and Communications Technology (NICT) has successfully developed the world’s first electronic holography display system with 15 degrees viewing-zone angle and 4cm diagonal display size. The new display system is capable of display color moving holography images, through application of viewing-zone enlargement technique and ultra-high definition display devices with 33 million pixels, making the viewing-zone angle at least 3 times larger and the display area approximately 2 times larger than the conventional systems. The new display system utilizes 3 ultra-high definition LCoSs (Liquid Crystal on Silicon) with 33 million pixels along with its 4cm diagonal display device, where it can reconstruct rightward, forward and leftward light.
The color display has been made by the field-sequential-color method, a method that sequentially displays 3 red holograms on the three display devices together in an instant, then 3 green holograms together in the next instant and 3 blue holograms together in the following instant, repeatedly. In a normal mode of display, the red, green and blue holograms are each displayed simultaneously on the three devices by refreshing the color picture 60 times per second or with a frame rate of 60Hz. In field-sequential-color display, the frame rate is 20Hz. The development of the new system is with an aim to produce the ultimate future 3D TV, and ultra-realistic communication. The new display is still some times away form its commercialization, due to its small display and its large accompanying equipment.

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