Display device having crystal grain boundaries providing superior driving and luminance characteristics
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United States of America Patent
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Jul 6, 2010
Grant Date -
May 6, 2004
app pub date -
Oct 20, 2003
filing date -
Nov 5, 2002
priority date (Note) -
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Abstract
A display device with a polysilicon substrate, including a display region, a first plurality of thin film transistors in the display region, and primary crystal grain boundaries in the polysilicon substrate in the display region, wherein the primary crystal grain boundaries are inclined to a first direction of current flowing from source to drain of each of the first plurality of thin film transistors at an angle of −30° to 30°.
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