Title:
DISPLAY DEVICE, AND ITS MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2008/012934
Kind Code:
A1
Abstract:
A liquid crystal display device has used a polarizing plate to cause an optical loss
of 50 %. Moreover, the transverse-field particle moving type display device of
the prior art is defective in a response speed, a drive voltage, brightness, a
contrast and so on. Provided is a display device having a cell constituted by sandwiching
a dispersion system having fine particles dispersed between substrates, at
least one of which is transparent, so that an optical transmittivity or an optical reflectivity
normal to the substrates of the cell may be varied by moving the fine particles
with an electric field. Monochromatic and color displays of ahightransmittivity, a
high contrast and a low-voltage drive can be made in a thin type, in a light weight and
at a high speed, by setting an electrode pitch (p) between a drive electrode and
a common electrode for applying an electric field, to 5μ to 100 μ, by
setting a cell thickness (d) to 0.2 to 1.5 times as large as p, and by setting the electrode
area percentage of the drive electrode to 20 % or less. The display device can be
applied to various aspects such as a superhigh light modulating element, a display
for a portable device, electronic paper, a large-size monitor, a large-size TV
or a very large public display.
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Inventors:
OTA ISAO (JP)
Application Number:
PCT/JP2007/000039
Publication Date:
January 31, 2008
Filing Date:
January 30, 2007
Export Citation:
Assignee:
OTA ISAO (JP)
International Classes:
G02F1/167; G02F1/1685; G02F1/1676
Foreign References:
| JPH0391722A | 1991-04-17 | |||
| JP2006162969A | 2006-06-22 | |||
| JP2004198861A | 2004-07-15 | |||
| JP2002511607A | 2002-04-16 | |||
| JP2002333643A | 2002-11-22 | |||
| JP2006099093A | 2006-04-13 | |||
| JP2004341464A | 2004-12-02 | |||
| JP2006162737A | 2006-06-22 |
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