Printing process and method for improving side-bottom ratio
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United States of America Patent
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Oct 11, 2011
Grant Date -
Jun 28, 2007
app pub date -
Mar 7, 2007
filing date -
Dec 21, 2004
priority date (Note) -
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Abstract
A printing screen, printing process and method for improving side-bottom ratio are provided. The printing screen mainly comprises a plurality of printing units, wherein each of the printing units comprises a body and a protrusion structure. The body has an ink aperture, and the protrusion structure extends from a surface of the body into the ink aperture. The printing process of a fluorescent layer in a plasma display panel utilizing the said printing screen can enhance the uneven film thickness of the fluorescent layer on the bottom of a discharge chamber, and further improve the side-bottom ratio of the fluorescent layer in a plasma display panel.
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