Liquid crystal display device having an auxiliary wiring

Semiconductor device manufacturing: process – Making field effect device having pair of active regions... – On insulating substrate or layer

Reexamination Certificate

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Details

C257S748000, C349S142000, C349S143000

Reexamination Certificate

active

06955951

ABSTRACT:
To enable freely choose a bus-line to be monitored without such a problem that the bus-line is made corroded. A liquid crystal display device comprising: a substrate (10) in which a display area (10d) is delimited; and two series of bus-lines (4, 5) supported by the substrate, one ends of the bus-lines being located in proximity to one side of the display area, another ends of the bus-lines being located in proximity to another side of the display area which is opposite to the one side of the display area, the two series of bus-lines (4, 5) being arranged to extend over the display area in such a manner that the one series of bus-lines (4) is orthogonal to the other series of bus-lines (5). The display device further comprises: a conductive auxiliary wiring pattern (6h,6v) which extends in such a manner that the pattern crosses another end(s) of the bus-line(s), which is/are all to be monitored, of the one series of bus-lines (4or5) via an electrically insulating layer (7), and which is led out to a predetermined location on a side of one ends of the bus-lines (5or4) of the other series to form a coupling portion (6p) capable of electrically connecting to the exterior.

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