LED driver, LED light-emitting circuit and LED light source
A technology of LED driver and light-emitting circuit, which is applied in the LED field, can solve the problems of space occupation and high manufacturing cost, and achieve the effects of simplifying the circuit, reducing manufacturing cost, and reducing space occupation
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[0030] Specific embodiments of the present invention will be described in detail below. It should be noted that the embodiments described here are for illustration only, and are not intended to limit the present invention.
[0031] First of all, it must be explained that the core idea of the present invention is to reduce the internal components of the traditional DC / DC converter on the premise of maintaining the LED luminous effect. The principle is based on the characteristics of human vision, that is, human perception of light changes There is a certain delay, and any change faster than the reaction time of the human eye will not be noticed.
[0032] In general, since the internal components of the switching power supply work in a high-frequency switching state, if there is enough magnetic inductance coefficient of the circuit, the driving of the LED can be realized; based on this principle, some components in the traditional DC / DC converter, such as Capacitors and diode...
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