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15 November 2005 Latest developments in a multi-user 3D display
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Proceedings Volume 6016, Three-Dimensional TV, Video, and Display IV; 60160O (2005) https://doi.org/10.1117/12.630478
Event: Optics East 2005, 2005, Boston, MA, United States
Abstract
De Montfort University, in conjunction with the Heinrich Hertz Institute, is developing a 3D display that is targeted specifically at the television market. It is capable of supplying 3D to several viewers who do not have to wear special glasses, and who are able to move freely over a room-sized area. The display consists of a single liquid crystal display that presents the same stereo pair to every viewer by employing spatial multiplexing. This presents a stereo pair on alternate pixel rows, with the conventional backlight replaced by novel steering optics controlled by the output of a head position tracker. Illumination is achieved using arrays of coaxial optical elements in conjunction with high-density white light emitting diode arrays. The operation of the steering and multiplexing optics in the prototype display are explained. The results obtained from a prototype built under the European Union-funded ATTEST 3D television project are described. The performance of this model was not optimum, but was sufficient to prove that the principle of operation is viable for a 3D television display. A second prototype, incorporating improvements based on experience gained, is currently under construction and this is also described. The prototype is capable of being developed into a display appropriate for a production model that will enable 3D television to come to market within the next ten years. With the current widespread usage of flat panel displays it is likely that customer preference will be for a hang-on-the-wall 3D display, and this challenge will be met by reconfiguring the optics and incorporating novel optical addressing techniques.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Phil Surman, Ian Sexton, Richard Bates, Wing Kai Lee, Klaus Hopf, and Triantaffilos Koukoulas "Latest developments in a multi-user 3D display", Proc. SPIE 6016, Three-Dimensional TV, Video, and Display IV, 60160O (15 November 2005); https://doi.org/10.1117/12.630478
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