Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1997-01-15
1998-11-24
Chang, Vivian
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345 94, G09G 320
Patent
active
058414100
ABSTRACT:
A liquid crystal display has a liquid crystal layer, first and second electrodes, and a third electrode. The liquid crystal layer is inserted between the first and second electrodes to define liquid crystal cells. The third electrode is capacitively coupled with one of the first and second electrodes. A correction voltage for correcting distortion of a waveform for driving one of the first and second electrodes is applied to the third electrode, to keep an effective voltage applied to the liquid crystal cells unchanged and improve the display quality of the liquid crystal display. Therefore, the liquid crystal display of the present invention can correct distortion of a common voltage and prevent crosstalk.
REFERENCES:
patent: 5184118 (1993-02-01), Yamazaki
patent: 5434599 (1995-07-01), Hirai et al.
"Cross-Modulation And Disuniformity Reduction In The Addressing of Passive Matrix Displays", Maltese, Paolo, Fourth Display Research Conference, Sep. 18-20, 1984, Paris.
Haraguchi Munehiro
Hoshiya Takayuki
Oda Masami
Takahara Kazuhiro
Yamaguchi Tadahisa
Chang Vivian
Fujitsu Limited
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