Automotive tailgate led light bars are widely used in the automotive field. Automotive tailgate led light bar car lights are directly converted from electrical energy into light energy by light-emitting diodes. Compared with ordinary car bulbs, the power consumption of automotive tailgate led light bar car lamps is only 1/10 of that of traditional lamps, which can better save fuel consumption and protect car circuits from being burnt out by excessive load current.
Here is the content list:
●What is the significance of the limit parameters of automotive tailgate led light bar?
●What is the significance of the electrical parameters of the automotive tailgate led light bar?
What is the significance of the limit parameters of automotive tailgate led light bar?
(1) Allowable power consumption: the maximum value of the product of the positive DC voltage and the current flowing through it. If this value is exceeded, the automotive tailgate led light bar will heat up and be damaged. (2) Maximum forward DC: the maximum forward DC allowed. Exceeding this value can damage the diode. (3) Maximum reverse voltage: the maximum allowable reverse voltage. Over this value, the automotive tailgate led light bar may be damaged by the breakdown. (4) Working environment: the ambient temperature range where the automotive tailgate led light bar can work normally.
What is the significance of the electrical parameters of the automotive tailgate led light bar?
(1) Spectral distribution and peak wavelength: the light emitted by a certain automotive tailgate led light bar is not a single wavelength. (2) Luminous intensity: the luminous intensity of light-emitting diodes usually refers to the luminous intensity in the direction of the normal automotive tailgate-led light bar line. (3) Spectral half-width: it represents the spectral purity of the light-emitting tube. (4) Half-value angle θ1/2 and viewing angle: θ1/2 refers to the angle between the direction where the luminous intensity value is half of the axial intensity value and the luminous axis. Two times the half-value angle is the viewing angle. The angular distribution of the luminous intensity of two different models of light-emitting diodes is given. The coordinate of the vertical line AO is the relative luminous intensity. Obviously, in the normal direction, the greater the angle from the normal direction, the smaller the relative luminous intensity. From this figure, you can get the half-value automotive tailgate led light bar angle or viewing angle value. (5) Forward working current: it refers to the forward current value when the light-emitting diode normally emits light. (6) Forward working voltage: the working voltage given in the parameter table is obtained under the given forward current of the automotive tailgate led light bar. It is generally measured when IF=20mA.
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