发明名称 METHOD OF MANUFACTURING A LIQUID CRYSTAL DISPLAY DEVICE
摘要 An electro-optical device typified by an active matrix type liquid crystal display device, is manufactured by cutting a rubbing process, and in addition, a reduction in the manufacturing cost and an improvement in the yield are realized by reducing the number of process steps to manufacture a TFT. By forming a pixel TFT portion having a reverse stagger type n-channel TFT, and a storage capacitor, by performing three photolithography steps using three photomasks, and in addition, by having a uniform cell gap by forming wall-like spacers by performing one photolithography step, without performing a rubbing process, a multi-domain perpendicular orientation type liquid crystal display device having a wide viewing angle display, and in which a switching direction of the liquid crystal molecules is controlled, can be realized.
申请公布号 KR20060031661(A) 申请公布日期 2006.04.12
申请号 KR20060024738 申请日期 2006.03.17
申请人 SEMICONDUCTOR ENERGY LABORATORY K.K. 发明人 YAMAZAKI SHUNPEI;HIRAKATA YOSHIHARU
分类号 G02F1/1339;G02F1/136;G02F1/1333;G02F1/1337;G02F1/1362;G02F1/1368;G02F1/139;G09F9/35;H01L21/00;H01L21/336;H01L21/77;H01L29/786 主分类号 G02F1/1339
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