DISPLAY DEVICE AND MANUFACTURING METHOD OF THE SAME
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United States of America Patent
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Issued Date -
Aug 30, 2012
app pub date -
Feb 24, 2012
filing date -
Feb 28, 2011
priority date (Note) -
Abandoned
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Abstract
Provided is a display device which includes: a gate electrode; a first semiconductor layer in a crystallized state which is formed over the gate electrode; a source electrode and a drain electrode which are formed over the first semiconductor layer; and a second semiconductor layer which extends from a side of the first semiconductor layer and is interposed between one of the source electrode and the drain electrode and the first semiconductor layer, wherein the second semiconductor layer includes a first portion which is formed in a crystallized state and brought into contact with the first semiconductor layer, and a second portion which has lower crystallinity than the first portion.
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