Power driver circuit of display panel
AssigneeZippy Technology Corp.
InventorsChin-Wen Chou, Ying-Nan Cheng, Chin-Biau Chung
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Abstract
The present invention discloses a power driver circuit of display panel. The present invention adopts a power controller, and a resident power system, which is coupled to an alternating power source, provides resident power for the power controller. When receiving an external on/off signal, the power controller will output driving signals to initiate or close the low-voltage power converter system and the high-voltage power converter system to determine whether a low-voltage power and a high-voltage power are output to drive the display panel. Thereby, when the display panel is in off state, only the resident power system works. Thus, the power-saving demand of environmental protection is satisfied.
Claims7
A power driver circuit of display panel, which is electrically coupled to an alternating power source to convert the power to drive said display panel, comprising:
- a resident power system, which is normally electrically coupled to said alternating power source and provides a resident power for a power controller that controls said display panel on and off, wherein said power controller receives an external on/off signal and outputs driving signals;
- a low-voltage power converter system, which is normally electrically coupled to said alternating power source and initiated or closed by said driving signal, wherein when initiated, said low-voltage power converter system outputs a transformed low-voltage power to drive a low-voltage load of said display panel;
- and
- a high-voltage power converter system, which is normally electrically coupled to said alternating power source and initiated or closed by said driving signal, wherein when initiated, said high-voltage power converter system outputs a transformed high-voltage power to drive a high-voltage load of said display panel.
Dependencies are inferred from the claim text.