Display device and driving method thereof

Details Display device and driving method thereof Display device and driving method thereof

2005-03-29

2005-03-29

Nguyen, Jimmy H. (Department: 2673)

Computer graphics processing and selective visual display system

Display driving control circuitry

C345S089000, C345S099000, C345S100000

Reexamination Certificate

active

06873320

ABSTRACT:
A liquid crystal display device which can reduce power consumption and can be miniaturized. The liquid crystal display device according to the present invention includes a pixel array portion, an address decoder, a display memory (VRAM), and a VRAM controller, and transmits/receives a signal to/from a CPU and a peripheral circuit through a system bus. The pixel array portion has an area gradation pixel structure in which each pixel is composed of a plurality of one-bit memories. The entire pixel array portion is divided into pixel blocks each of which consists of a plurality of pixels, and the one-bit memory is rewritten in units of block. The one-bit memory has a double-word line structure.

REFERENCES:
patent: 5712652 (1998-01-01), Sato et al.
patent: 6246386 (2001-06-01), Perner
patent: 6288712 (2001-09-01), Pinkham et al.
patent: 08-286170 (1996-11-01), None
patent: 09-243995 (1997-09-01), None
patent: 09-243996 (1997-09-01), None
patent: 2000-227608 (2000-08-01), None
Translation of Korean Official Action Notification of Reason for Rejection; Mailed Oct. 22, 2003.
Korean Official Action.
U.S patent application Ser. No. 09/945,826, Nakamura, filed Sep. 5, 2001.
U.S patent application Ser. No. 10/303,770, Nakamura et al., filed Nov. 26, 2002.

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