The defect classification and the reason forming defect of VGA thin film transistor active matrix liquid crystal displays are analysed.Open tester,short tester and display tester are developed.

• 分析了VGA有源矩阵液晶显示器的缺陷分类、产生原因。研制出了有源矩阵液晶显示器的断路测试板、短路测试板以及全板显示测试板。