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Full-spectrum LED light source, LED light-emitting component and LED lighting device

A LED light source, full-spectrum technology, applied in the field of lighting, can solve the problems of full-spectrum LED light source color rendering index and luminous efficiency reduction, and achieve the effect of improving spectral continuity, color rendering index and luminous efficiency

Pending Publication Date: 2022-04-19
GUANGZHOU UNIONLUX ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing full-spectrum LED technology is mainly used in the field of plant lighting and indoor lighting with low and medium power (between 100W and 300W) and the color temperature is below 6000k, but under the condition of high-power lighting (light source power greater than 500W), full The color rendering index and luminous efficiency of spectral LED light sources will be significantly reduced

Method used

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  • Full-spectrum LED light source, LED light-emitting component and LED lighting device
  • Full-spectrum LED light source, LED light-emitting component and LED lighting device
  • Full-spectrum LED light source, LED light-emitting component and LED lighting device

Examples

Experimental program
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Effect test

Embodiment 1

[0091] A full-spectrum LED light source, including fluorescent powder and an LED chip used to excite the fluorescent powder, the LED chips are blue light chips with peak wavelengths of 442.5nm-445nm and 465nm-470nm, and the ratio of the two is 12:7 , the phosphors include yellow phosphors and mixed phosphors, and the composition and mass percentage of each component in the mixed phosphors are as follows:

[0092] Green powder with a peak wavelength of 480nm to 490nm, BaSi 2 o 2 N2:Eu 2+ : 5.5%;

[0093] Green powder with a peak wavelength of 530nm to 535nm, Ga x Y (3-x) Al 5 o 12 : Ce 3+ (GaYAG): 80%;

[0094] Yellow powder with a peak wavelength of 570nm to 575nm, Y 3 Al 5 o 12 : Ce 3+ (YAG): 10%;

[0095] Red powder with a peak wavelength of 650nm~660nm, CaAlSiN 3 :Eu: 4.5%.

[0096] use figure 1 As shown in the chip layout diagram, the LED chips are distributed in a concentric ring array or in a polygonal array, with the first chip 1 as the center point, inc...

Embodiment 2

[0100] A full-spectrum LED light source, including fluorescent powder and an LED chip used to excite the fluorescent powder, the LED chips are blue light chips with peak wavelengths of 442.5nm-445nm and 465nm-470nm, and the ratio of the two is 12:7 , the phosphors include yellow phosphors and mixed phosphors, and the composition and mass percentage of each component in the mixed phosphors are as follows:

[0101] Green powder with a peak wavelength of 480nm to 490nm, BaSi 2 o 2 N 2 :Eu 2+ : 4.5%;

[0102] Green powder with a peak wavelength of 530nm to 535nm, Ga x Y (3-x) Al 5 o 12 : Ce 3+ (GaYAG): 82%;

[0103] Yellow powder with a peak wavelength of 570nm to 575nm, Y 3 Al 5 o 12 : Ce 3+ (YAG): 9%;

[0104] Red powder with a peak wavelength of 650nm~660nm, CaAlSiN 3 :Eu: 4.5%.

[0105] use figure 1 As shown in the chip layout diagram, the LED chips are distributed in a concentric ring array or in a polygonal array, with the first chip 1 as the center point, i...

Embodiment 3

[0109] A full-spectrum LED light source, including fluorescent powder and an LED chip for exciting the fluorescent powder, the LED chip is selected from blue light chips with peak wavelengths of 440nm-443nm and 467nm-470nm, and the ratio of the two is 12:7, Phosphor powder includes yellow phosphor powder and mixed phosphor powder. The composition and mass percentage of each component in the mixed phosphor powder are as follows:

[0110] Green powder with a peak wavelength of 480nm to 490nm, BaSi 2 o 2 N 2 :Eu 2+ : 4.5%;

[0111] Green powder with a peak wavelength of 530nm to 535nm, Ga x Y (3-x) Al 5 o 12 : Ce 3+ (GaYAG): 83.5%;

[0112] Yellow powder with a peak wavelength of 570nm to 575nm, Y 3 Al 5 o 12 : Ce 3+ (YAG): 8%;

[0113] Red powder with a peak wavelength of 650nm~660nm, CaAlSiN 3 :Eu: 4%.

[0114] use figure 1 As shown in the chip layout diagram, the LED chips are distributed in a concentric ring array or in a polygonal array, with the first chip ...

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Abstract

The invention discloses a full-spectrum LED light source, an LED light-emitting component and an LED lighting device.The full-spectrum LED light source comprises fluorescent powder and LED chips used for exciting the fluorescent powder, the fluorescent powder comprises one or more of green powder, green powder, red powder and yellow powder, the yellow powder is selected from yellow fluorescent powder with the peak wavelength ranging from 570 nm to 575 nm, the LED chips comprise a first chip and a second chip, and the first chip and the second chip are electrically connected with each other. The first chip is selected from blue light chips with the peak wavelength of 440 nm to 445 nm, and the second chip is selected from blue light chips with the peak wavelength of 465 nm to 470 nm. The full-spectrum LED light source provided by the invention has high luminous efficiency, color rendering index and saturated blue R12 under high-power and high-current excitation conditions.

Description

technical field [0001] The application belongs to the technical field of lighting, and in particular relates to a full-spectrum LED light source, an LED light-emitting component and an LED lighting device. Background technique [0002] LED lighting technology has the advantages of high efficiency, energy saving, environmental protection, long life, small size, durability and easy maintenance, and has become the mainstream in the field of lighting. With the rapid development of LED lighting technology, people are not only pursuing high-efficiency and cost-effective LED light sources, but also put forward higher requirements for healthy lighting. Therefore, the development of full-spectrum LEDs with similar natural light is the future pursuit. and one of the directions for improvement. [0003] Full spectrum refers to the spectrum that includes ultraviolet light, visible light, and infrared light in the spectrum, and the ratio of red, green, and blue in the visible light part...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L33/50H01L33/48H01L25/075C09K11/59C09K11/80F21V9/32F21Y115/10
CPCH01L33/502H01L33/504H01L33/48H01L25/0753C09K11/0883C09K11/77347C09K11/77068C09K11/7774F21V9/32F21Y2115/10
Inventor 不公告发明人
Owner GUANGZHOU UNIONLUX ELECTRONICS TECH CO LTD