Wavelength conversion device, light-emitting device and laser illuminating lamp
The technology of a wavelength conversion device and a light-emitting device, which is applied in the field of lighting, can solve the problems of difficult positioning of the phosphor layer, troublesome operation, poor lighting effect, etc., so as to improve the utilization rate of light, improve the convenience of installation and positioning, and improve the lighting effect. Effect
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[0021] The present invention is described in detail below in conjunction with accompanying drawing:
[0022] Such as Figure 1-2 As shown, the present invention provides a wavelength conversion device 100, including a first reflective substrate 10 and a second reflective substrate 20 arranged in sequence from top to bottom, and a fluorescent layer 30 disposed in the first reflective substrate 10, so The first reflective substrate 10 is provided with a through hole 110 compatible with the fluorescent layer 30, the fluorescent layer 30 is limited in the through hole 110, and the lower surface of the fluorescent layer 30 is in contact with the second reflective layer. The upper surface of the substrate 20 is in contact. Specifically, by setting the first reflective substrate 10 and setting the through hole 110 in the first reflective substrate 10 that is compatible with the fluorescent layer 30, on the one hand, it plays the role of positioning and limiting the fluorescent layer...
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