Appeal No. 96-0763 Page 11
Application No. 07/840,345
those of ordinary skill in the art would have had a reasonable
expectation of success. Therefore, we will sustain the
rejection of the examiner.
As to the rejection of claims 6 and 9, we find that
EPA’218 discloses a liquid crystal display containing an
inorganic film layer atop a colored filter layer, which
functions as a protection layer, wherein, “[t]ransparent
electrodes can be formed further thereon.” See page 4, lines
22 - 55. Accordingly, an inorganic film is formed between the
color filter layer and the transparent electrode layer. We
further find that EPA’412 discloses that films of silicon
dioxide are coated on the electrode layer. See column 12,
lines 29 -32, and Examples 1 and 6. Based upon the above
considerations, we conclude that it would have been obvious to
one of ordinary skill in the art to have used the inorganic
protection layers of EPA’218 and EPA’412 to separate conductive
layers and filter layers.
Appellants have argued both in their principal Brief and
in their Reply Brief that Yanagisawa teaches forming a metal
shielding only on a glass substrate. See Brief, page 9, and
Reply Brief, page 7. However, the claimed subject matter
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