Devide for measuring absolute brightness of fluorescent material

Abstract

The equipment for measuring absolute luminance of fluorescence material includes excitation source, excitation signal sampling device, excitation intensity detector for monitoring excitation signal, fluorescence material sample tray, luminance detector and measuring meter. The excitation signal produced by excitation light source can be injected into excitation signal sampling device, then the incident excitation signal can be divided into two lines, one line is reflected to the excitation intensity detector, the light signal can be converted into electric signal and transferred into measuring meter, and another line is irradiated onto fluorescence material sample tray, the fluorescence sent out by said fluorescence material can be received by luminance detector, after said fluorescence is photoelectrically converted into luminance signal, and said signal can be inputted into measuring meter.

Description

technical field [0001] The invention relates to a device for measuring the luminance of fluorescent materials. Background technique [0002] The luminance of fluorescent materials is one of the most important parameters of fluorescent materials. Traditional methods often only measure the relative luminance of fluorescent materials. The luminous intensity signals of the standard fluorescent material and the tested fluorescent material are measured by a photoelectric measuring instrument, and the reading values ​​of the two are compared to obtain the relative luminous brightness. Such as YG-II type, PR-300 type, PR-302 type and other fluorescent material relative luminance meters all adopt the above method. [0003] The relative luminous brightness measured by the above method can only compare the pros and cons of the luminous properties of two fluorescent materials, and cannot truly reflect the luminous properties of the fabricated device. For e...

AI Technical Summary

Problems solved by technology

[0003] The relative luminous brightness measured by the above method can only compare the pros and cons of the luminous properties of the two fluorescent materials, and cannot truly reflect the luminous properties of the fabricated device.

Images