Patent ID: 9210767
Filing Date: 2015-12-08
Classification: H05B

Abstract:
1. A light emitting diode (LED) device, comprising: a first adjustment module having a first internal impedance, the first adjustment module comprising at least one first LED and coupled to receive a first current, a first characteristic curve representing a relationship between the first internal impedance and the first current with a range of the first characteristic curve including a first incomplete conduction region and a first conduction region, wherein in the first incomplete conduction region the first internal impedance decreases exponentially as the first current increases, and wherein the first internal impedance is approximately linear in the first conduction region; and a second adjustment module, comprising an impedance-providing component and an electronic component coupled in series and coupled to receive a second current, the second adjustment module and the first adjustment module coupled in parallel, the second adjustment module having a second internal impedance, a second characteristic curve representing a relationship between the second internal impedance and the second current with a range of the second characteristic curve including a second incomplete conduction region and a second conduction region, wherein in the second incomplete conduction region the second internal impedance decreases exponentially as the second current increases, and wherein the second internal impedance is approximately linear in the second conduction region, wherein the first characteristic curve and the second characteristic curve match one another.