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Proceedings Paper

Projection Display Series for High-Definition TV
Author(s): Kunio Ando; Masashi Ohki; Masutomi Ohta; Masanori Ogino; Eiichi Yamazaki
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Paper Abstract

High-definition TV is an expected next generation television broadcasting system, and the broadcast of which will start in 1990 in Japan. The system is also expected for the use of industrial application. For these requirement , 54-inch, 110-inch, and 200-inch projection displays have beep developed. The horizontal resolution of 1000 TV lines, the peak brightness of 410 cd/m2 (54-inch), and the contrast ratio of more than 100 for rear projection displays can be realized by the development of 9-inch dual focusing projection tube, high resolution projection lens, fine pitch high contrast rear screen and large output horizontal deflection circuit etc.

Paper Details

Date Published: 11 July 1989
PDF: 8 pages
Proc. SPIE 1081, Projection Display Technology, Systems, and Applications, (11 July 1989); doi: 10.1117/12.952839
Show Author Affiliations
Kunio Ando, Hitachi, Ltd. (Japan)
Masashi Ohki, Hitachi, Ltd. (Japan)
Masutomi Ohta, Hitachi, Ltd. (Japan)
Masanori Ogino, Hitachi, Ltd. (Japan)
Eiichi Yamazaki, Hitachi, Ltd. (Japan)


Published in SPIE Proceedings Vol. 1081:
Projection Display Technology, Systems, and Applications
Frederic J. Kahn, Editor(s)

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