Method and apparatus for measuring thermal characteristic of LED
A technology of light-emitting diode and thermal characteristics, which is applied in the field of measurement of light-emitting diode thermal characteristics, can solve problems such as long measurement time, reduced accuracy, and poor practicability, and achieve real-time measurement, improve accuracy, and shorten measurement time.
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[0026] The present invention will be further described below in conjunction with the drawings and preferred embodiments.
[0027] According to an embodiment of the present invention, the device for measuring the thermal characteristics of the light-emitting diode includes a pulse constant current control circuit, a data collector, and a temperature control unit. The pulse constant current control circuit is connected to the light-emitting diode to provide a driving current for the light-emitting diode to enable the light-emitting diode The current pulse or working current is passed in; the temperature control unit is used to control the ambient temperature where the light-emitting diode is placed; the data collector is connected to the pulse constant current control circuit and the light-emitting diode to collect the current and voltage value of the light-emitting diode.
[0028] Such as image 3 Shown is an example of a device for measuring the thermal characteristics of light-emit...
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