Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified...
Reexamination Certificate
2005-05-24
2005-05-24
Wu, Shean C. (Department: 1756)
Stock material or miscellaneous articles
Liquid crystal optical display having layer of specified...
C428S001300, C252S299010, C252S299500, C349S139000, C349S182000
Reexamination Certificate
active
06896940
ABSTRACT:
A liquid crystal screen display is disclosed which is capable of restraining occurrence of display unevenness. In the display of the invention, a conductive member to which a negative voltage is applied is placed between a substrate and an alignment layer so as to be in partial contact with the alignment layer. Uneven ion distribution attributable to ion generation within broken or pin hole parts of an overcoat film is restrained, for instance, by exposing gate signal lines etc. to the alignment layer so that ions are intentionally generated in the regions of the liquid crystal layer corresponding to the exposed regions.
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Inoue Kazuo
Kumagawa Katsuhiko
Nishiyama Kazuhiro
Sato Ichiro
Matsushita Electric - Industrial Co., Ltd.
McDermott Will & Emery LLP
Wu Shean C.
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