Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2006-12-05
2006-12-05
Liang, Regina (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S099000, C345S204000
Reexamination Certificate
active
07145541
ABSTRACT:
There is provided a display driver control circuit which is just suitable for display drive including display with a small amount of change and display with a large amount of change and can realize saving of chip area and reduction of power consumption and cost. In this display driver control circuit, memory capacity of an internal display memory is set smaller than amount of data of one display picture of a display panel as the drive object, and the display data can be transferred with the system in which externally inputted display data is once stored in the display memory and is then sent of a drive circuit to output a drive signal and with the system in which the display data is sent in direct to the drive circuit by way of no display memory to output a drive signal. Moreover, both transfer methods can be executed on the time division basis.
REFERENCES:
patent: 6529249 (2003-03-01), Hashemi
patent: 6930675 (2005-08-01), Ishiyama
patent: 9-281933 (1997-10-01), None
Kurokawa Yasuhito
Ohta Shigeru
Sakamaki Goro
Tani Kunihiko
Yokota Yoshikazu
Liang Regina
Miles & Stockbridge PC
Renesas Technology Corp.
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