DISPLAY APPARATUS
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United States of America Patent
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Issued Date -
May 2, 2013
app pub date -
Oct 30, 2012
filing date -
Oct 31, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A display apparatus includes red, green and blue organic EL elements that include a first and a second charge transport layer, each having the same thickness and common to all the organic EL elements. The red organic EL element includes a thickness adjustment layer between a red luminescent layer and the first charge transport layer, and has an emission position at the interface between the red luminescent layer and the thickness adjustment layer. The green organic EL element includes a green luminescent layer containing an assistant dopant whose content has been controlled so that the emission position lies in the green luminescent layer. The blue organic EL element has an emission position at the interface between the blue luminescent layer and the first charge transport layer or the second charge transport layer.
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