LED fluorescent lamp based on continuous spectrum fluorescent powder

Abstract

The invention discloses an LED fluorescent lamp based on continuous spectrum fluorescent powder. The fluorescent lamp based on the continuous spectrum fluorescent powder is composed of a transparent cover, a substrate, an LED light source, a fluorescent conversion device, an optical reflecting film, a radiator, a substrate bayonet and a fluorescent conversion device bayonet. The fluorescent conversion device is composed of a basal body material and the continuous spectrum fluorescent powder. The LED light source is fixed to the surface of the substrate singly or in an integrated packaging mode. The fluorescent conversion device is placed away from the LED light source, and the surface of the fluorescent conversion device is roughened. The continuous spectrum fluorescent powder is single zincate system fluorescent powder. The optical reflecting film is a high-reflectance metal film or a high-molecular polymer film. The LED fluorescent lamp based on the continuous spectrum fluorescent powder is high in color rendering indexes and optical utilization rate, the manufacturing process of the whole lamp is reduced, production cost is reduced, usage temperature of the fluorescent powder effectively drops, and consistency and reliability of spectrums in the long-term use process are improved.

Description

technical field [0001] The invention relates to an LED fluorescent lamp based on continuous-spectrum fluorescent powder, which belongs to the field of luminescent materials or the field of semiconductor lighting. Background technique [0002] As a new type of green light source product, LED is called the fourth-generation lighting source or green light source. Compared with traditional lighting products, LED has the characteristics of energy saving, environmental protection, long life, small size, and high reliability. It can be widely used in Lighting, indication, display, decoration, backlight and other fields. [0003] LED fluorescent lamp is one of the key products developed by the national green energy-saving LED lighting market project. Compared with incandescent lamps, it saves more than 80% of electricity, and its service life is more than 10 times that of ordinary lamps. It is almost maintenance-free, and there is no problem of frequent replacement of lamps, ballas...

AI Technical Summary

Problems solved by technology

[0005] (1) At present, the white LED light source used in fluorescent lamps is mainly obtained by dispensing and coating, that is, the phosphor powder is directly coated on the surface of the chip. Due to the large heat generation of the chip, the phosphor powder will be heated after long-term use Fluorescence quenching effect; at the same time, the white light prepared by this traditional method will also have uneven light color caused by phosphor precipitation, which will affect the visual effect

[0006] (2) Most of the phosphors used in the preparation of white LED light sources are red, green, and yellow phosphors of different systems. Due to the differences in the chemical and physical properties of the phosphors of each system, the aging attenuation and stability of each system will be affected during long-term use. Inconsistencies in sex, easy to cause light and color mismatch

[0007] (3) At present, the common LED fluorescent lamps simply assemble the light source, substrate, lamp tube, and power supply. The utilization rate of reflected light inside the lamp is low. Low efficiency, adopt the form of transparent cover, the light color uniformity is low, at the same time there is glare phenomenon, causing eye discomfort

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