Appeal No. 1997-0189
Application No. 07/983,118
proposed combination of Suntola and Mourey. It is our view
that, even assuming arguendo that the offset display elements
in Mourey could be considered to have top and bottom aligned
edges, no motivation exists for modifying Suntola in the
manner suggested by the Examiner. Suntola’s approach to
solving the convergence problem in color display systems is to
provide a one light gate per pixel arrangement in which the
light gate is driven by sequential pulses of colored light
(e.g., Suntola, column 3, lines 34-51). Suntola illustrates
this single light gate display technique in Figure 10(b) and
contrasts it with the adjacent red, blue, and green color
element approach illustrated in Figure 10(a). It is exactly
this adjacent color element technique which is utilized by
Mourey with the problem of convergence being addressed by
alternating the triad of red, green, and blue adjacent color
elements above and below a dividing line (e.g., Mourey,
Figures 2 and 4). Since the color display techniques of
Suntola and Mourey are so opposed to each other, it is our
opinion that the rationale for combining their teachings could
only come from an improper hindsight reconstruction of the
invention by the Examiner. Therefore, since we can find no
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