LED module and packaging method thereof
A technology of LED modules and packaging methods, which is applied in the direction of semiconductor devices, electrical components, circuits, etc., can solve the problems of low light extraction efficiency and low LED light extraction efficiency, and achieve improved LED light extraction efficiency, ease of practical use and Industrialized mass production and high reliability
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[0049] Example 1
[0050] Such as figure 1 As shown, the packaged LED light source is sequentially composed of LED chip 1, high refractive index first coating 2, high and low refractive index material mixture or middle refractive index material formed second coating 3, low refractive index outermost coating from bottom to top Layer 4 composition. The LED light of this embodiment is emitted 1 from the LED chip, and is emitted upward through the first coating 2 with high refractive index 2, the second coating 3 with medium refractive index, and the outermost coating 4 with low refractive index.
Example Embodiment
[0051] Example 2
[0052] Such as figure 2 As shown, the packaged LED light source from bottom to top consists of LED chips 5, a first coating with a high refractive index 6, a second coating with a material with a high refractive index, and an outermost coating with a low refractive index 8. Composition, each layer is mixed with phosphor 9 in an appropriate proportion as required. The LED light of this embodiment is emitted 5 from the LED chip, and is emitted upward through the first coating 6 with a high refractive index, the second coating 7 with a medium refractive index and the outermost coating 8 with a low refractive index.
Example Embodiment
[0053] Example 3
[0054] Such as image 3 As shown, the packaged LED light source is composed of an LED chip 10, a first coating 11 with a high refractive index, and an outermost coating 12 with a low refractive index from bottom to top. The LED light of this embodiment is emitted 10 from the LED chip, and is emitted upward through the first coating layer 11 with high refractive index and the outermost coating layer 12 with low refractive index in sequence.
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