Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2006-03-21
2006-03-21
Chowdhury, Taifur R. (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
C349S110000, C349S111000, C349S138000
Reexamination Certificate
active
07016003
ABSTRACT:
In a liquid crystal display device which performs image display by controlling a liquid crystal layer by a lateral electric field that is parallel with a substrate, the lateral electric field is formed by a black matrix and a pixel electrode. That is, a common electrode and a black matrix are commonized which are separately provided conventionally. Further, a storage capacitor is formed in an area where the black matrix and a pixel line coextend with a third interlayer insulating film interposed in between. Since the storage capacitor is formed by using all the area where a thin-film transistor is covered with the black matrix, sufficient capacitance can be secured even if the widths of electrodes and wiring lines are reduced in the future.
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Fukunaga Takeshi
Hirakata Yoshiharu
Nishi Takeshi
Yamazaki Shunpei
Chowdhury Taifur R.
Fish & Richardson P.C.
Semiconductor Energy Laboratory Co,. Ltd.
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