Display driving circuit
AssigneeAu Optronics Corporation
InventorsMing-Hsien Lee, Che-Chia Chang
Life of this patent
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Abstract
A display driving circuit is provided. The display driving circuit includes: at least one gate driving circuit, each of the at least one gate driving circuit generating a driving signal so that display pixels update pixel data according to each of the driving signals; and at least two enable-selecting circuits, generating a zone start-updating signal and a zone end-updating signal according to a zone scan-control signal and the driving signals and enabling the at least one gate driving circuit of a first portion according to the zone start-updating signal and the zone end-updating signal. In this way, the at least one gate driving circuit of the first portion generates the driving signals to update part of the display pixels, and that power saving is achieved.
Claims12
A driving circuit of a display, comprising:
- a plurality of gate driving circuit groups, respectively corresponding to a plurality of display regions of the display, each of the gate driving circuit groups generating a plurality of driving signals to drive each of the corresponding display regions;
- and
- a plurality of scan-control signal generators, respectively corresponding to the gate driving circuit groups, wherein a Nth stage scan-control signal generator receives a front stage driving signal, a rear stage driving circuit, an auxiliary start-updating signal, and an auxiliary end-updating signal, selects one of the front stage driving signal and the auxiliary start-updating signal to generate a zone start-updating signal according to a zone scan-control signal, and selects one of the rear stage driving circuit and the auxiliary end-updating signal to generate a zone end-updating signal according to the zone scan-control signal,
- wherein the Nth stage gate driving circuit group performs a gate scanning action according to the zone start-updating signal and the zone end-updating signal, and N is a positive integer.
Dependencies are inferred from the claim text.