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(1) DimmingThe control of LED luminous intensity and color is usually called dimming and color adjustment. Since the luminous intensity IV (or luminous flux F) of the LED has a linear relationship with its working current IF within a certain current range, that is, as the current IF increases, the IV also increases at any […]
①Voltage current characteristics of LEDThe volt-ampere characteristics of LEDs are shown in Figure 1, which is roughly the same as that of ordinary semiconductor diodes. It can be approximated that the current I is proportional to the nth power of the voltage U. When the voltage U is small, the current I is mainly a […]