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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.

Inactive Publication Date: 2019-04-30
LEEDARSON IOT TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the above deficiencies in the prior art, the object of the present invention is to provide a dimming and color-adjustable LED lamp, which aims to solve the problem in the prior art that the color temperatures of multiple light sources of the dimmable and color-adjustable LED lamp have obvious differences

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Embodiment Construction

[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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Abstract

The invention discloses a light-adjusting and color-adjusting LED lamp. The LED lamp comprises a lamp holder used for being contacted with a power supply, a lamp bulb arranged on the lamp holder and an LED lamp filament light source sealed in the lamp bulb and connected with the lamp holder, wherein the LED lamp filament light source comprises a plurality of first LED lamp filament light sources and second LED lamp filament light sources connected in parallel; internal resistance of the first LED lamp filament light sources is lower than that of the second LED lamp filament light sources; thefirst LED lamp filament light sources are used for emitting first color temperature light, the second LED lamp filament light sources are used for emitting second color temperature light, the first color temperature is lower than or equal to the second color temperature, the first LED lamp filament light sources are coated with first fluorescent powder, the second LED lamp filament light sources are coated with second fluorescent powder, red light excitation efficiency of the first fluorescent powder is reduced with increase of temperature or optical density, and the red light excitation efficiency of the second fluorescent powder is unchanged. The problem of obvious color temperature difference of multiple light sources of the light-adjusting and color-adjusting LED lamp in the prior artis solved.

Description

technical field [0001] The invention relates to the technical field of electronic circuits, in particular to an LED lamp based on narrow-wave red fluorescent powder to realize DIM dimming and color adjustment. Background technique [0002] In the existing DIM dimming and coloring filament lamps, four or more LED filament light sources are used, such as the 4-piece scheme: two use 2000k, and the other two use 4000k, and after the 2000k light source is connected in series with a 2K resistor, it is connected in parallel with the 4000k light source ; In this way, in the process of adjusting the color temperature change, the different color temperatures among multiple light sources can be clearly seen by human eyes. [0003] Therefore, the prior art still needs to be improved and developed. Contents of the invention [0004] In view of the deficiencies in the prior art above, the object of the present invention is to provide a dimming and color-tuning LED lamp, aiming at solvi...

Claims

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Application Information

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IPC IPC(8): F21K9/232F21V9/32F21V9/08F21Y115/10
CPCF21K9/232F21V9/08F21V9/32F21Y2115/10
Inventor 陈琰表
Owner LEEDARSON IOT TECH INC
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