Patterning method of organic electroluminescent device
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United States of America Patent
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Nov 8, 2011
Grant Date -
Jun 5, 2008
app pub date -
Nov 29, 2007
filing date -
Nov 29, 2006
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Abstract
The present invention provides a patterning method of an organic EL device that can easily and efficiently be performed with high definition, and that can control a contrast by a luminous brightness.In an organic EL device having an organic layer, including an organic luminescent material, formed between a pair of counter electrodes, ultraviolet ray is irradiated to the organic layer, and the amount of irradiation is changed to form an emission pattern having a contrast caused by a luminous brightness corresponding to the amount of the irradiation of the ultraviolet ray.
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