发明名称 LIQUID CRYSTAL DISPLAY DEVICE
摘要 <p>PURPOSE:To provide a liquid crystal display device which does not generate point defects, does not generate an increase of a product cost and shorting in storage capacitance parts and lessens a decrease of an opening rate by specifying the constituting elements of storage capacitance elements. CONSTITUTION:A storage capacitance element is composed of a storage capacitance metallic wiring 11b consisting of a metal contg. Ta and N disposed on one main surface of a transparent substrate 13, a metallic anodically oxidized film 18 formed on the front surface of the storage capacitance metallic wiring 11b and a display electrode 16 in contact with the metallic anodically oxidized film 18. Since the specific dielectric constant of the metallic anodically oxidized film 18 is larger than heretofore, the reduction of the area of the storage capacitance electrode is possible and the increase of the opening rate is possible. In addition, the metallic anodically oxidized film formable by a low-cost device is used, the film is formable at a lower cost than for the conventional insulating films. Pinholes are not generated in the metallic anodically oxidized film 18 and, therefore, there is no possibility of generation of shorting between the storage capacitance wirings and pixel electrodes even in the case of forming the film with a thin film.</p>
申请公布号 JPH07181514(A) 申请公布日期 1995.07.21
申请号 JP19910127716 申请日期 1991.05.30
申请人 TOSHIBA CORP 发明人 IKEDA MITSUSHI;MUROOKA MICHIO
分类号 G02F1/1343;G02F1/136;G02F1/1362;G02F1/1368;G09F9/30;H01L21/336;H01L29/78;H01L29/786;(IPC1-7):G02F1/136;G02F1/134 主分类号 G02F1/1343
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