Method for producing organic EL element
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United States of America Patent
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Aug 25, 2015
Grant Date -
Oct 25, 2012
app pub date -
Oct 22, 2010
filing date -
Oct 28, 2009
priority date (Note) -
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Abstract
In a step of forming one or a plurality of organic layers, an object to be coated to become an organic EL element is arranged such that a surface to form the organic layer faces down, while a nozzle having a plurality of slit-shaped outlets for discharging thereabove a coating liquid containing a material to become the organic layer and downwardly depressed cutouts respectively formed at both end parts of each of the slit-shaped outlets is arranged under the object. A coating step of moving the nozzle and the object relative to each other in a predetermined coating direction while keeping the coating liquid discharged from the nozzle in contact with the object and a non-coating step of moving the nozzle and the object relative to each other in the coating direction while keeping the coating liquid away from the object are alternately repeated.
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