| 摘要 |
PCT No. PCT/JP96/00428 Sec. 371 Date Aug. 22, 1997 Sec. 102(e) Date Aug. 22, 1997 PCT Filed Feb. 23, 1996 PCT Pub. No. WO96/26463 PCT Pub. Date Aug. 29, 1996In a liquid crystal display device using thin-film diodes or thin-film transistors as switching elements, a protection film is provided on the entire surface of a substrate on which switching elements and signal electrodes or scanning electrodes are formed, openings are defined in corresponding positions between each electrode of the protection film and the remaining portion of each electrode layer material inside each opening is removed by an etching treatment. For example, the protection film is provided on the entire surface of the substrate 1 on which two thin-film diodes 11 and 12 are formed with a back-to-back connection relative to each picture-element electrode, and an opening portion 36 having openings 36c, 36d and 36e which are defined in corresponding positions between the picture-element electrodes 6, between the signal electrode 13 and the picture-element electrode 6 and between the signal electrodes 13 is provided, and the remaining portion of an electrode layer material inside the opening portion 36 is removed by etching. Since short-circuits between the electrodes as indicated by 21, 32 and 34 are eliminated, display defects are drastically reduced, display quality is improved and production yield is also improved.
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