Light-adjusting and color-adjusting LED lamp
A technology for LED lamps and LED filaments, which is applied to light sources, semiconductor devices of light-emitting elements, optical elements used to change the spectral characteristics of emitted light, etc., and can solve problems such as obvious differences in color temperature of multiple light sources.
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[0020] The present invention provides a dimming and color-tuning LED lamp. In order to make the purpose, technical solution and effect of the present invention clearer and clearer, the present invention will be further described in detail below. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0021] A dimming and color LED lamp, such as figure 1 As shown, it includes a lamp cap 10 for contacting with a power supply, a bulb 20 arranged on the lamp cap 10, and an LED filament light source 30 sealed in the bulb 20 and conductively connected with the lamp cap 10, wherein the LED filament light source 30 includes several The first LED filament light source 31 and the second LED filament light source 32 connected in parallel, the internal resistance of the first LED filament light source 31 is smaller than the internal resistance of the second LED filament light source 32, and ...
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