A kind of preparation method of laminated fluorescent glass for white light LED
A fluorescent glass and white light technology, applied in semiconductor devices, electrical components, circuits, etc., can solve the problems that are difficult to popularize in the market, do not solve the problems of LED astigmatism and light concentration control, photoelectric conversion, and unsatisfactory product performance. The effect of reducing production costs
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Embodiment 1
[0043] Embodiment 1, a method for preparing a laminated fluorescent glass structure for white light LEDs, the method is as follows:
[0044] (1) Select an area of 1.0㎝ 2 , green fluorescent glass 3 with a thickness of 1mm and a phosphor content of 4%;
[0045] (2), the area and thickness of the selected concave glass 2 are 1cm respectively 2 , 0.7mm, the depth of the depression in the concave glass 2 is 0.3mm, the mass of the nitride red phosphor 1 is 0.45g, and the volume of the nitride red phosphor 1 in the concave part of the concave glass accounts for 1% of the volume of the concave glass;
[0046] (3), the green fluorescent glass 3 described in step (1) is completely covered on the surface of the concave surface of the concave glass 2 described in step (2), and then the PVB glue is evenly coated on the green fluorescent glass 3 and the concave surface. At the junction of the shaped glass 2, the obtained laminated fluorescent glass was cured in an oven at 80° C. for 10...
Embodiment 2
[0048] Embodiment 2, a method for preparing a laminated fluorescent glass structure for white light LEDs, the method is as follows:
[0049] (1) Select an area of 1.0㎝ 2 , green fluorescent glass 3 with a thickness of 1mm and a phosphor content of 4%;
[0050] (2), the area and thickness of the selected concave glass 2 are 1cm respectively 2, 0.7mm, the depth of the depression in the concave glass 2 is 0.3mm, the mass of the nitride red phosphor 1 is 0.45g, and the volume of the nitride red phosphor 1 in the concave part of the concave glass 2 accounts for 1% of the volume of the concave glass 2 ;
[0051] (3), the green fluorescent glass 3 described in step (1) is completely covered on the surface of the concave surface of the concave glass 2 described in step (2), and then the PVB glue is evenly coated on the green fluorescent glass 3 and the concave surface. At the junction of the shaped glass 2, the obtained laminated fluorescent glass was cured in an oven at 80° C. f...
Embodiment 3
[0053] Embodiment 3, a method for preparing a laminated fluorescent glass structure for white light LEDs, the method is as follows:
[0054] (1) Select an area of 1.0㎝ 2 , green fluorescent glass 3 with a thickness of 1mm and a phosphor content of 4%;
[0055] (2), the area and thickness of the selected concave glass 2 are 1cm respectively 2 , 0.7mm, the depth of the depression in the concave glass 2 is 0.3mm, the mass of the nitride red phosphor 1 is 0.45g, and the volume of the nitride red phosphor 1 in the concave part of the concave glass 2 accounts for 1% of the volume of the concave glass 2 ;
[0056] (3), the green fluorescent glass 3 described in step (1) is completely covered on the surface of the concave surface of the concave glass 2 described in step (2), and then the PVB glue is evenly coated on the fluorescent glass and the concave glass 2, the obtained laminated fluorescent glass was cured in an oven at 80°C for 10 minutes, and then vacuumized for 5 minutes...
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