White light glass and preparation method thereof

Abstract

The invention relates to a white light glass and a preparation method thereof, in particular to a white light glass with tin oxide and manganese oxide as light emitting centers and a preparation method thereof. White light illumination plays an important role in daily production and living, but the existing white light illumination has low efficiency, complicated process and difficult miniaturization. Under the condition, the research on the white light glass is taken seriously because the white light glass has the advantages of simple preparation, high luminous efficiency, easy color temperature regulation and the like. Currently, the researches focus on the white light glass doped with rare earth, but rare earth light emission can generate quenching at high concentration, and the lighting peak position can shift along with the use time so as to cause color temperature change. The white light glass with the tin oxide and the manganese oxide as the light emitting centers can make up the shortcomings. The tin oxide and the manganese oxide belong to network intermediates, can be introduced at high concentration, and have higher luminous intensity and conversion efficiency. Simultaneously, the tin oxide and the manganese oxide adopt wide spectrum lighting, and the compounded white light color temperature basically does not change along with time.

Description

technical field [0001] The present invention relates to white light materials and their preparation, especially to SnO 2 White light glass with MnO as luminescent center and preparation method thereof. Background technique [0002] In recent years, with the continuous increase of energy consumption, the energy crisis and environmental pollution have become more and more serious. While searching for new alternative energy sources, certain breakthroughs must be made in energy conservation and emission reduction, which makes it necessary to adjust the existing energy consumption structure so as to achieve the goal of energy conservation and emission reduction. Lighting plays an indispensable role in human production and life, but it also consumes a lot of energy, so the improvement of lighting methods is imminent. For now, incandescent and fluorescent lamps are the main ways of lighting. Since the incandescent lamp emits light by heating the tungsten filament to the incandes...

AI Technical Summary

Problems solved by technology

However, since the existing LEDs basically use rare earth as the luminescent center, their luminescence is a linear spectrum, and the luminous wavelength will shift during use, so that the color temperature of the compounded white light will change.

At the same time, since the light-emitting matrix for LEDs is generally phosphor powder, it needs to be deposited on the LED chip as a thin film during the packaging process, and the thickness is not easy to control, resulting in uneven white light color.

Moreover, the packaging process requires the use of epoxy resin, which inevitably produces aging problems

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