Optical: systems and elements – Optical modulator – Light wave temporal modulation
Reexamination Certificate
2003-10-29
2009-02-24
Mack, Ricky (Department: 2873)
Optical: systems and elements
Optical modulator
Light wave temporal modulation
C359S290000, C359S295000
Reexamination Certificate
active
07495821
ABSTRACT:
A thin display device is provided which is capable of displaying images at a lowered driving voltage in a shortened response time by causing fine particles to travel in a gaseous phase. The display device includes: a display section having upper substrate1and lower substrate2each having a thickness ranging from about 0.1 mm to about 0.5 mm, which are disposed opposite to each other; colored particles6having a particle diameter ranging from about 1 μm to about 10 μm packed in an air layer7provided in the gap between the upper substrate1and the lower substrate2; and first electrode3and second electrode4formed on the underside of the upper substrate1. The colored particles6used in the display device are electrostatically charged either negatively or positively and are caused to travel between the first electrode3and the second electrode4in accordance with voltage applied to the first and second electrodes3and4.
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Kawaguri Mariko
Oue Toshiyasu
Wakita Naohide
Yamakita Hiroyuki
Mack Ricky
Matsushita Electric - Industrial Co., Ltd.
McDermott Will & Emery LLP
Thomas Brandi N
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