Preparation and application of reflecting type fluorescent glass light conversion assembly
A fluorescent glass and light conversion technology is applied in the field of preparation of reflective fluorescent glass light conversion components to achieve high reflection, improve extraction efficiency, and solve the effects of luminous loss
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[0035] Example 1. To figure 1 The manufacturing method of the reflective fluorescent glass light conversion module will be described in detail.
[0036] The glass substrate A is ordinary soda lime glass with a thickness of 0.5 mm, and its refractive index at a wavelength of 460 nm is about 1.52. The glass transition temperature is 570℃, and the softening temperature is 620℃;
[0037] Glass B is a low-melting phosphate glass, the component contains P 2 O 5 : 41%, ZnO: 34%, B 2 O 3 : 19%, (Li 2 O3%+Na 2 O1.5%+K 2 O1.5%): 6%. The refractive index of the glass at a wavelength of 460 nm is about 1.49, the glass transition temperature is 480°C, and the softening temperature is 526°C;
[0038] Reflective 3 is BaSO 4 , Its particle size distribution d 50 Is 50 microns;
[0039] Phosphor 5 is YAG yellow-green phosphor with particle size distribution d 50 Is 12 microns.
[0040] Combine 20 grams of glass B powder with BaSO 4 10 grams of powder and 4 grams of organic liquid (a mixture of terpineol
Example Embodiment
[0046] Example 2.
[0047] The difference between Embodiment 2 and Embodiment 1 is that the phosphor 5 is a mixture of green phosphor and red phosphor.
Example Embodiment
[0048] Example 3. To figure 2 Example 3 will be described in detail.
[0049] The blue laser light source array 6 emits blue light 7 and 8 to excite the green phosphor particles in the fluorescent glass coating 4, and emits a green light 9, which is collected by the photomechanical system 12; the blue light 8 excites the fluorescent glass coating 4 The red phosphor particles emit red light 10, and the red light 10 is reflected at the interface between the fluorescent glass coating and the reflective glass coating, and finally emitted as the light 11 and collected by the optical machine system 12; the blue light 13 is incident on the fluorescent glass coating The interface between the layer 4 and the air is reflected, and the light 14 is collected by the optomechanical system 12.
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