Method for controlling a driving circuit of a light-emitting device and related electronic device and light source system
AssigneesAMIC Technology Corporation, Power Up, Inc.
InventorsChun-Chuan Wang, Chun-Ta Chen
Life of this patent
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Abstract
A method for controlling a driving circuit of a light-emitting device is disclosed. The driving circuit is utilized for transforming an input power into a driving power for the light-emitting device according to a plurality of state values. The method includes receiving the input power, outputting a first state value of the plurality of state values to the driving circuit, and outputting a second state value of the plurality of state values to the driving circuit according to variation of the input power.
Claims19
A method for controlling a driving circuit of a light-emitting device, the driving circuit being utilized for transforming an input power into a driving power for the light-emitting device according to a plurality of state values, the method comprising:
- receiving the input power;
- outputting a first state value of the plurality of state values to the driving circuit;
- and
- outputting a second state value of the plurality of state values to the driving circuit according to variation of the input power.
An electronic device for controlling a driving circuit of a light-emitting device, the driving circuit being utilized for transforming an input power into a driving power for the light-emitting device according to a plurality of state values, the electronic device comprising:
- a reception end for receiving the input power;
- a state machine coupled between the reception end and the driving circuit, for outputting a first state value of the plurality of state values to the driving circuit and outputting a second state value of the plurality of state values to the driving circuit according to variation of the input power.
A light source system comprising:
- a power reception end coupled to a first power;
- a switch device coupled to the power reception end, for switching output status of the first power to generate a second power;
- a light-emitting device for generating a light source according to a driving power;
- a driving circuit coupled between the switch device and the light-emitting device, for transforming the second power into the driving power for the light-emitting device according to a plurality of state values;
- and
- a control device comprising:
- a reception end coupled to the switch device, for receiving the second power;
- and
- a state machine coupled between the reception end and the driving circuit, for outputting a first state value of the plurality of state values to the driving circuit and outputting a second state value of the plurality of state values to the driving circuit according to variation of the second power.
Dependencies are inferred from the claim text.