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Light-emitting diode drive system with carrier signal control

A light-emitting diode and carrier signal technology, which is applied in the field of light-emitting diode drive systems, can solve problems such as complex circuits, high cost, and difficult production, and achieve the effect of reducing costs

Active Publication Date: 2017-05-10
SEMISILICON TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the number of parallel-connected LED light string modules increases, the relative number of control lines and addressing lines increases, resulting in complicated wiring, difficult fabrication, and high cost.

Method used

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  • Light-emitting diode drive system with carrier signal control
  • Light-emitting diode drive system with carrier signal control
  • Light-emitting diode drive system with carrier signal control

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0079] Please refer to figure 1 , which is a block diagram of the LED drive system with carrier signal control of the present invention. An LED driving system 10 with carrier signal control is applied to a rectifier 20 (in AC environment or DC environment) and more than one LED 30 . The LED driving system 10 with carrier signal control includes a driving power supply and carrier signal generating device 102 , a transmission line 106 and more than one LED driving device 104 . The rectifier 20 and the driving power and carrier signal generating device 102 are integrated into a power supply.

[0080] The driving power supply and the carrier signal generating device 102 are electrically connected to the rectifier 20; the transmission line 106 is electrically connected to the driving power supply and the carrier signal generating device 102; The driving power supply and the carrier signal generating device 102 and the light emitting diodes 30 .

[0081] The rectifier 20 rectifie...

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Abstract

The invention discloses a light emitting diode driving system with carrier wave signal control. A rectifier rectifies an AC power supply so as to obtain a DC power supply; the rectifier transmits the DC power supply to a driving power supply and carrier wave signal generation apparatus; the driving power supply and carrier wave signal generation apparatus generates a driving power supply; and the driving power supply and carrier wave signal generation apparatus transmits the driving power supply to more than one light emitting diode driving device via one transmission line so as to drive more than one light emitting diode. The driving power supply and carrier wave signal generation apparatus generates carrier wave signals; the driving power supply and carrier wave signal generation apparatus transmits the carrier wave signals to these light emitting diode driving devices via the transmission line; and by means of these carrier wave signals, these light emitting diode driving devices drive these light emitting diodes.

Description

technical field [0001] The invention relates to a light emitting diode driving system, in particular to a light emitting diode driving system with carrier signal control. Background technique [0002] At present, LED light string modules can be roughly divided into two connection methods: serial connection and parallel connection, and these two types of LED light string modules are also widely used by users on building exteriors, trees, signboards and landscaping , to enhance the appearance of such things. [0003] In the known series-type LED light string module, multiple groups of LED light string modules are connected in series, and the number of series-connected LED light string modules is determined according to the volume of the coiled object, and after the series connection The LED lamp groups of all the LED lamp string modules are controlled by the controller of the first LED lamp string module. [0004] Although this kind of series connection method makes it easy ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B37/02
Inventor 彭文琦
Owner SEMISILICON TECH