Display device

Details Display device Display device

2006-08-15

2006-08-15

Lefkowitz, Sumati (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S211000, C345S212000

Reexamination Certificate

active

07091946

ABSTRACT:
A mask circuit is provided in a display device having a plurality of pixels. The mask circuit supplies a video signal to each of the pixels in a partial display area selected based on a display area selection signal, and prevents the supply of the video signal to each of the pixels in a background display area. Accordingly, this display device displays an arbitrary pattern at an arbitrary position of the display panel of the display device. In addition, an inverting controlling circuit is provided for inverting the background display signal supplied to each of the pixels in the background display area for each frame. The power consumption of the display device can be reduced.

REFERENCES:
patent: 6522319 (2003-02-01), Yamazaki
patent: 2001/0052887 (2001-12-01), Tsutsui et al.
patent: 2002/0126107 (2002-09-01), Inoue et al.
patent: 2002/0175887 (2002-11-01), Yamazaki
patent: 2002/0190944 (2002-12-01), Morita
patent: 1262761 (2000-08-01), None
patent: 2000-276093 (2000-10-01), None
patent: 2002-99262 (2002-04-01), None

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