薄膜晶体管阵列基板及其维修方法
申请公布号:CN101533844A
申请号:CN200810101993.6
申请日期:2008.03.14
申请公布日期:2009.09.16
发明人:郭建;周伟峰;明星
分类号:H01L27/12(2006.01)I;H01L23/525(2006.01)I;H01L21/84(2006.01)I;H01L21/768(2006.01)I;G02F1/1362(2006.01)I;G02F1/13(2006.01)I
主分类号:H01L27/12(2006.01)I
代理人:刘 芳
地址:100176北京市经济技术开发区西环中路8号
摘要:本发明涉及一种薄膜晶体管阵列基板及其维修方法,其中包括栅线、信号线和多个亚像素单元,每个亚像素单元包括像素电极和薄膜晶体管,所述薄膜晶体管的源极与所述像素电极电连接,其中还包括:导电物,用于维修时连接相同颜色的相邻亚像素的像素电极,所述导电物设置于所述亚像素单元的栅绝缘层与信号绝缘层之间。方法其中包括:切断不良亚像素单元的像素电极与薄膜晶体管之间的电连接;将相邻的不良亚像素单元和正常亚像素单元的像素电极,在与导电物相重叠的位置进行击穿融化。通过本发明,可以使不良的亚像素单元维修成与周围相邻亚像素单元具有相同的灰度,从而实现同样的显示灰度效果,减小了暗点或亮点对显示效果的影响,提高了显示质量。
主权项:1、一种薄膜晶体管阵列基板,包括栅线、信号线和多个亚像素单元,每个亚像素单元包括像素电极和薄膜晶体管,所述薄膜晶体管的源极与所述像素电极电连接,其特征在于还包括:导电物,用于维修时连接相同颜色的相邻亚像素的像素电极,所述导电物设置于所述亚像素单元的栅绝缘层与信号绝缘层之间。
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