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Generation method of LED ecological light source capable of satisfying plant growth and human eye requirement simultaneously

A LED light source and plant growth technology, applied in electrical components, electrical solid devices, circuits, etc., can solve problems such as not being able to meet the normal growth of indoor plants, and achieve the effects of enhancing high definition, enhancing visual comfort, and high light efficiency

Pending Publication Date: 2018-02-16
区峰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the LED lights currently used for indoor lighting cannot meet the normal growth of indoor plants.

Method used

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  • Generation method of LED ecological light source capable of satisfying plant growth and human eye requirement simultaneously
  • Generation method of LED ecological light source capable of satisfying plant growth and human eye requirement simultaneously
  • Generation method of LED ecological light source capable of satisfying plant growth and human eye requirement simultaneously

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Experimental program
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Effect test

Embodiment 1

[0048] see image 3 , the invention discloses a method for generating an LED ecological light source that can simultaneously meet the needs of plant growth and human eyes, comprising the following steps:

[0049] Step S1, mixing the transparent encapsulant with the green phosphor and the red phosphor according to a set ratio to obtain a phosphor paste;

[0050] Step S2, coating the phosphor powder paste on the surface of the LED chip in the direction of light emission:

[0051] Step S3, curing the coated phosphor paste;

[0052] Step S4, assembling the LED chip coated with phosphor powder into an LED light source.

[0053] In step S1, the colloid may be one or more combinations of silica gel and epoxy resin.

[0054] In the LED light source, the green fluorescent powder used has a wider spectral component with higher human eye sensitivity, which is convenient for the clarity of human eye observation and visual comfort.

[0055] In the LED light source, the red fluorescent ...

Embodiment 1

[0063] Weigh 0.32g of fluorescent powder (of which, 0.02g of 530nm fluorescent powder, 0.02g of 630nm fluorescent powder, and 0.28g of 660nm fluorescent powder), 1.7g of powder mixing glue (LED organic packaging silica gel, A glue: B glue = 5:1) and Mix the two evenly, vacuumize to remove air bubbles to obtain phosphor powder slurry;

[0064] Apply the phosphor powder slurry on the surface of the blue LED chip with a peak wavelength of 455nm by dispensing method, and put it in a drying oven to heat and fix it. The curing conditions are: 80°C (1h), then 150°C (2h);

[0065] Naturally cooled to room temperature, using a 0.2m integrating sphere to test the correlated color temperature (CCT), color rendering index (Ra) and the ratio of red light (600-700nm) to blue light (400-500nm) in the spectral components (R / B, luminous flux color ratio);

[0066] Finally, one or more LEDs are used to assemble an LED lamp.

[0067] figure 1 It is the spectrum diagram of an ecological light ...

Embodiment 2

[0069] Weigh 0.32g of fluorescent powder (of which, 0.02g of 530nm fluorescent powder, 0.02g of 630nm fluorescent powder, and 0.28g of 660nm fluorescent powder), 1.7g of powder mixing glue (LED organic packaging silica gel, A glue: B glue = 5:1) and Mix the two evenly, vacuumize to remove air bubbles to obtain phosphor powder slurry;

[0070] Apply the phosphor powder slurry on the surface of the blue LED chip with a peak wavelength of 445nm by dispensing method, and put it in a drying oven to heat and cure. The curing conditions are: 80°C (1h), then 150°C (2h);

[0071] Naturally cooled to room temperature, use a 0.2m integrating sphere to test the correlated color temperature (CCT), color rendering index (Ra), red saturation value R9 and red light (600-700nm) and blue light (400nm) in the spectral components of the cured LED light source ~500nm) ratio (R / B, luminous flux color ratio);

[0072] Finally, one or more LEDs are used to assemble an LED lamp.

[0073] figure 2 ...

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Abstract

The invention discloses a generation method of an LED ecological light source capable of satisfying plant growth and human eye requirement simultaneously. The method comprises the following steps of S1, performing mixing on transparent packaging adhesive, green fluorescent powder and red fluorescent powder based on a set proportion to obtain fluorescent powder paste; S2, coating the surface of a blue light LED chip in the light emitting direction with the fluorescent powder paste; S3, performing curing on the coated fluorescent powder paste; and S4, assembling the LED chip coated with the fluorescent powder into an LED light source. By virtue of the generation method of the LED ecological light source capable of satisfying plant growth and human eye requirement simultaneously provided by the invention, balance among LED luminous efficiency, color rendering and ecological property can be achieved.

Description

technical field [0001] The invention belongs to the technical field of LED light, relates to an LED light source, and in particular to a method for generating an LED ecological light source that can simultaneously meet the needs of plant growth and human eyes. Background technique [0002] Existing LED lamps for white or yellow lighting are generally blue-light chips packaged with yellow-green and red phosphors, so that the final emitted light appears white or warm white with yellow. Increasing the proportion of yellow light or red light in LED light can reduce the color temperature and make the light softer. At the same time, the color rendering index can also be improved. At present, the commonly used method to reduce the color temperature of LED is to add an appropriate amount of red powder with the main peak of 630nm in the phosphor powder formula. However, the addition of red powder often leads to a decrease in LED light efficiency. At the same time, the more red-shif...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L33/48H01L33/52H01L33/50H01L25/075
CPCH01L33/48H01L25/075H01L33/502H01L33/52
Inventor 区峰
Owner 区峰
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