Image display system

Image display system

  • CN 101,834,189 B
  • Filed: 03/11/2009
  • Issued: 07/08/2015
  • Est. Priority Date: 03/11/2009
  • Status: Active Grant
First Claim
Patent Images

1. an image display system, comprising:

  • Thin film transistor device, comprising;

    Substrate, has the firstth district and the secondth district;

    First grid layer, is arranged on this substrate in this firstth district;

    First insulating barrier, covers this first grid layer;

    First polysilicon active layer, is arranged on this first insulating barrier;

    Second polysilicon active layer, is arranged on this substrate in this secondth district;

    Second insulating barrier, covers this first polysilicon active layer and this second polysilicon active layer;

    Second grid layer, is arranged on this second insulating barrier above this first polysilicon active layer;

    And3rd grid layer, is arranged on this second insulating barrier above this second polysilicon active layer;

    Wherein this first polysilicon active layer in this firstth district, this first grid floor and this second grid floor and this first insulating barrier and this second insulating barrier form the first film transistor, and this first film transistor comprises driving thin-film transistor, and this second polysilicon active layer in this secondth district, the 3rd grid layer and this first insulating barrier and this second insulating barrier form the second thin-film transistor, and this second thin-film transistor comprises the switching thin-film transistor of peripheral circuit thin-film transistor or pixel regionWherein the crystallite dimension of this second polysilicon active layer is greater than the crystallite dimension of this first polysilicon active layer.

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