Optical: systems and elements – Optical modulator – Light wave temporal modulation
Reexamination Certificate
2006-07-18
2006-07-18
Lester, Evelyn A. (Department: 2873)
Optical: systems and elements
Optical modulator
Light wave temporal modulation
C345S107000, C340S008100, C340S311200, C340S321000, C340S398100
Reexamination Certificate
active
07079303
ABSTRACT:
The present invention relates to novel patterned embossing and patterned filling methods. Both methods are simple, reliable and cost effective ways for manufacturing the segment of signage electrophoretic displays. The displays prepared by the present invention requires only one patterned electrode layer. The undesired visible line traces are eliminated and the manufacture of the present displays does not involve the costly precision registration step used in the previously known assembly processes dealing with two patterned electrodes. Moreover, the electrophoretic fluid is present only in the patterned and switchable area of the display. This not only significantly reduces the material cost, but also improves the overall display quality by reducing defects and non-uniformity.
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Hou Jack
Liang Rong-Chang
Tseng Scott C-J
Wu Zarng-Arh George
Howrey LLP
Lester Evelyn A.
SiPix Imaging Inc.
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