Display control device for reducing power consumption of...

G - Physics – 09 – G

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375/4

G09G 5/00 (2006.01) G06F 1/32 (2006.01) G09G 3/36 (2006.01)

Patent

CA 2040014

A display control device for receiving input data at a display controller-kernel unit, storing it in a memory, sequentially reading the stored data from the memory and displaying it on a display unit. The control device comprises a counter which is reset when a signal indicating writing of data in the memory is detected to output a counter signal when a predetermined value is counted, a display control circuit for outputting a control signal so as to close a gate inserted in a signal line between the display controller-kernel unit and the display unit in response to the counter signal to interrupt the signal line and turn off the backlight of the display unit, and means for invalidating the control signal when the fact that a signal is written in the memory is detected.

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