METHOD OF MANUFACTURING A PATTERNED COLOR CONVERSION LAYER, AND METHODS OF MANUFACTURING A COLOR CONVERSION FILTER AND AN ORGANIC EL DISPLAY THAT USE A COLOR CONVERSION LAYER OBTAINED BY THE METHOD
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United States of America Patent
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Issued Date -
Feb 21, 2008
app pub date -
Jul 31, 2007
filing date -
Aug 3, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of manufacturing a color conversion layer with a predetermined pattern is disclosed which does not cause any damage on the color conversion layer formed by a dry process such as an evaporation method to achieve a large scale and high definition. The method includes steps of sequentially forming, on a substrate, an etch stop layer, a color conversion layer by means of an evaporation method, a protective layer and a transparent mask layer; patterning a resist layer formed on the transparent mask layer to have a predetermined pattern; transferring the pattern from the resist layer to the transparent mask layer using the patterned resist layer as a mask; removing the patterned resist layer; and dry etching, using the patterned transparent mask layer as a mask, to transfer the pattern to the protective layer and the color conversion layer.
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