Power supply system and method and electronic device thereof
AssigneeWistron Corporation
InventorsYuan-Tai Chen, Kai-Hou Lin, Shao-Huai Tsai, Kai-Yu Chu, Yu-Han Tsai
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Abstract
A power supply system used in an electronic device includes a light absorption device, exposed to a backlight source of the electronic device, for absorbing backlight irradiated by the backlight source; an energy conversion circuit, coupled to the light absorption device, for converting the backlight irradiated by the backlight source into electrical power; and a power storage device, coupled to the energy conversion circuit, for storing the electrical power of the energy conversion circuit.
Claims18
A power supply system used in an electronic device comprising:
- a light absorption device, exposed to a backlight source of the electronic device, for absorbing backlight irradiated by the backlight source;
- an energy conversion circuit, coupled to the light absorption device, for converting the backlight irradiated by the backlight source into electrical power;
- and
- a power storage device, coupled to the energy conversion circuit, for storing the electrical power of the energy conversion circuit.
A power supply method for an electronic device comprising:
- exposing a light absorption device to a backlight source of the electronic device for absorbing backlight irradiated by the backlight source;
- and
- converting the backlight irradiated by the backlight source into electrical power and storing the electrical power in a power storage device, in order to supply power to the electronic device.
An electronic device, comprising:
- an operation circuit;
- a display module, comprising a screen and a backlight source, controlled by the operation circuit to display images;
- and
- a power supply system, for supplying power to the operation circuit and the display module, the power supply system comprising:
- a light absorption device, exposed to the backlight source of the display module in the electronic device, for absorbing backlight irradiated by the backlight source;
- an energy conversion circuit, coupled to the light absorption device, for converting the backlight irradiated by the backlight source into electrical power;
- and
- a power storage device, coupled to the energy conversion circuit, for storing the electrical power of the energy conversion circuit.
Dependencies are inferred from the claim text.