Optical: systems and elements – Optical modulator – Light wave temporal modulation
Reexamination Certificate
2007-06-26
2007-06-26
Thompson, Timothy (Department: 2873)
Optical: systems and elements
Optical modulator
Light wave temporal modulation
C345S107000
Reexamination Certificate
active
10552283
ABSTRACT:
An image display device, in which image display media are sealed between opposed substrates, at least one of two substrates being transparent, and in which the image display media, to which an electrostatic field is applied, are made to move so as to display an image. A construction of particles used as the image display media is improved (the first, second, fourth, fifth, sixth, eighth and ninth aspects of the invention), and a material of the particles used as the image display media is improved (the third, seventh and tenth aspects of the invention). Whiteness of the particles and a liquid powder using the particles is improved, particle agglutination is prevented, and the charge property is controlled. Moreover, durability is improved such that a contrast of the image display during a repetition display is not decreased. As a result, an excellent image display can be achieved.
REFERENCES:
patent: 5189337 (1993-02-01), Endo et al.
patent: 2002/0050976 (2002-05-01), Yamaguchi et al.
patent: 2002-139750 (2002-05-01), None
patent: 2002-236471 (2002-08-01), None
Anzai Hiroyuki
Arai Toshiaki
Kaga Norihiko
Kobayashi Taichi
Kobayashi Yoneji
Bridgestone Corporation
Fang Jerry
Sughrue & Mion, PLLC
Thompson Timothy
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