Appeal No. 1999-2450 Page 12
Application No. 08/812,222
a green filter, and a blue filter) associated with each of the
column data electrodes.
Because Kitajima shows a group of color filters
associated with each of the column data electrodes, we are
persuaded that the teachings from the applied prior art would
have suggested the limitations of "color filters being
associated with the pixelelements (16) for obtaining groups
(G) of adjacent pixelelements (16) representing different
colors enabling display of a color picture, characterized in
that the display device is adapted to comprise groups (G) of
pixelelements (16) each being constituted with a common data
electrode (18) ...." Therefore, we affirm the rejection of
claims 1 and 3 as being obvious over Buzak in view of
Kitajima.
The appellant further argues, “[c]laim 2 calls for a
plasma driver circuit for selectively activating the plasma
channels in a group, and a data driver circuit for supplying a
group of primary color signals sequentially to a common driver
electrode. This is in contrast to the prior art arrangement
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