Synthesis method and application of light imitating natural light that can reduce harmful blue light

Abstract

The invention relates to a synthesis method and application of nature-imitated light which is low in cost, stable in performance and capable of effectively reducing harmful blue light and has the spectrum closer to the spectrum of sunlight. According to the synthesis method, an led light source sequentially composed of an led chip, a yellow or other-color mixed fluorescent powder layer and a light-pervious light conversion layer emits the nature-imitated light which has the spectrum closer to the spectrum of sunlight, has no blue light peak or green light trough and is balanced in energy and smooth; yellow light emitted by exciting the fluorescent powder layer through part of blue light emitted by the led chip and the other part, directly penetrating through the fluorescent powder layer, of the blue light emitted by the led chip penetrate through the light conversion layer together to be synthesized to form the nature-imitated light. The natural spectrum is imitated and most of harmful blue light components are eliminated, so that the spectrum is continuous and balanced, the color rendering index reaches 90, and the spectrum is a new healthy spectrum which makes the harmful blue light be eliminated. According to the synthesis method and the application, the cost is low, manufacturing is simple, environment friendliness is achieved, and the nature-imitated light is initiated in the industry.

Description

technical field [0001] The invention relates to a method for synthesizing light, in particular to a method and application for synthesizing a natural light that reduces harmful blue light and has a spectrum close to that of sunlight through an LED chip, a phosphor layer and a light conversion layer. Background technique [0002] According to the spectrogram, from left to right, the order is ultraviolet, visible light and infrared. The wavelength of visible light is from 380nm to 780nm, 380nm-400nm is purple light, and from 400nm to 500nm, the color that our eyes perceive is blue, so we call this band blue light. Blue light is a blue light with a wavelength between 400nm-500nm, also called "high-energy visible light", which is the spectral light with the strongest energy in visible light, and the blue light of 400nm-455nm is the most harmful to human eyes, usually called harmful blue light. . [0003] At present, the light source of LED lamps mainly uses blue light chips to...

AI Technical Summary

Problems solved by technology

[0008] 2. The damage of blue light to the eyes is also manifested in the glare caused by blue light, causing blurred vision

[0010] 3. Blue light affects sleep

The main problem we are facing now is the excessive blue light environment. Among these artificial light sources, the proportion of blue light is very high. There will be a chronic photodamage in such an environment for a long time

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