Manufacturing method of display device
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United States of America Patent
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Feb 18, 2014
Grant Date -
Apr 5, 2012
app pub date -
Oct 3, 2011
filing date -
Oct 5, 2010
priority date (Note) -
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Abstract
An organic passivation film having a high transmittance and capable of setting a taper angle of a through hole within a predetermined range in a liquid crystal display device. A pixel electrode and a source electrode of a TFT are connected by way of a through hole formed in an organic passivation film. The organic passivation film having high productivity, high transmittance, and a predetermined taper angle θ of a through hole can be formed by using a chemical amplification photosensitive resin composition comprising, as a base material, an acrylic resin having a molecular weight of 4,000 to 20,000 and containing 1 to 6 wt % of a photoacid generator as the material for the organic passivation film, performing exposure and development for forming a through hole, and then performing post exposure, prebaking, and baking under appropriate conditions.
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