Importance

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Abstract

A chip-on-film (COF) package including a base film having facing first and second surfaces; a first upper pattern on the first surface and extending in a first direction; second upper patterns on the first surface, the second upper patterns including inner patterns and outer patterns that are spaced apart from each other in the first direction; an upper insulating layer covering the first upper pattern and part of the second upper patterns; lower patterns on the second surface and electrically connecting the inner patterns to the outer patterns; and inner via plugs passing through the base film and electrically connecting the inner patterns of the second upper patterns to the lower patterns, wherein at least one inner pattern is electrically connected to the inner via plug in a region that is not covered by the upper insulating layer.

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First Claim