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Flat panel display device with polycrystalline silicon thin film transistor

  • US 8,049,220 B2
  • Filed: 11/19/2007
  • Issued: 11/01/2011
  • Est. Priority Date: 06/05/2003
  • Status: Active Grant
First Claim
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1. A flat panel display device comprising green, red, and blue pixel regions, and a driving thin film transistor for driving each pixel having the same length and width of active channels, wherein a number of grain boundaries of polycrystalline silicon included in active channel regions of the driving thin film transistor is different from each other in at least two pixels,wherein the green pixel region has a largest number of primary grain boundaries of polycrystalline silicon, and the red pixel region and the blue pixel region have the same number of primary grain boundaries of polycrystalline silicon.

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