Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2004-12-03
2009-10-20
Wong, Tina M (Department: 2874)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
C359S296000, C345S182000
Reexamination Certificate
active
07605899
ABSTRACT:
A display apparatus includes a display panel including pixels arranged in a matrix, pixel electrodes provided to the pixels, respectively, a common electrode provided commonly to the pixels, and scanning lines and signal lines for supplying a voltage to the pixel electrodes. In addition, a drive circuit is connected to the common electrode, the scanning lines, and the signal lines, and a control circuit provides a signal to the drive circuit. The control circuit selectively switches between a display drive mode in which an image is displayed on the display panel through sequential scanning of the scanning lines and application of a variable voltage to pixels via the signal lines by the drive circuit and a rewriting drive mode in which selected pixels are rewritten into black or white through application of a voltage, which is higher than a range of the variable voltage, to the selected pixels on a scanning line selected by the drive circuit.
REFERENCES:
patent: 5461400 (1995-10-01), Ishii et al.
patent: 2003/0011869 (2003-01-01), Matsuda et al.
patent: 0 601 837 (1994-06-01), None
patent: WO 03/079176 (2003-09-01), None
Goden Tatsuhito
Mori Hideo
Shikina Noriyuki
Yoshinaga Hideki
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Wong Tina M
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