CN117346106A

CN117346106A - Eye protection illumination method, illumination device and application

Info

Publication number: CN117346106A
Application number: CN202311210420.8A
Authority: CN
Inventors: 曾胜; 李文凯; 曾骄阳; 陈华; 醋新科
Original assignee: Sichuan Century Heguang Technology Development Co ltd
Current assignee: Sichuan Century Heguang Technology Development Co ltd
Priority date: 2023-09-19
Filing date: 2023-09-19
Publication date: 2024-01-05

Abstract

The invention provides an eye-protecting illumination method, an illumination device and application, wherein the illumination light source adopts a full-color bionic white light source and a single-wavelength red light source; in the lighting process, the full-color bionic white light source adopts static lighting or dynamic lighting; the single wavelength red light source adopts synchronous dynamic illumination. The full-color bionic white light source provides excellent light source and natural light with high similarity, has stronger adaptability to human eyes, is in a natural relaxed state, and is favorable for improving eye fatigue. Meanwhile, the single-wavelength red light source is used as an enhanced auxiliary light source, synchronous dynamic illumination is adopted in the illumination process of the single-wavelength red light source, the optically perceived photochromic imaging is regulated, the eye ciliary muscle of the eye is reduced to pull the eyeball forwards, and the change amount of the eye axis is controlled; the eye axis variation is controlled by providing the lighting environment of the full-color bionic white light source and matching with the dynamic lighting of red light, so that people of all ages can achieve the effects of protecting eyes and relieving eye fatigue.

Description

Eye protection illumination method, illumination device and application

Technical Field

The invention relates to the technical field of eye protection illumination, in particular to an eye protection illumination method, an illumination device and application.

Background

The imaging positions of the light with different colors on the retina are different, the imaging of the green light just falls on the retina, and the human eye is in a very natural relaxed state when looking at a green object; blue light is imaged on the front side of retina, so that the eye naturally opens a large point when looking at blue light to change the eye axis; the red light is imaged on the front side of the retina, and to ensure that the focus is on the retina, the eye naturally squints when looking at the red light, so that the axis of the eye changes. The human eyes are formed and evolved in natural illumination environment, the adaptability of the vision to natural light is irreplaceable, and the human eyes can not feel visual fatigue easily under the irradiation of the natural light.

At present, people can often carry out illumination under the illumination device for eyes, the spectrum emitted by the illumination device is greatly different from natural light, many illumination luminescence red light spectrums are seriously missing, the blue light spectrum is high, especially when eyes of people are reading books or writing, people tend to 'catch the spirit' or 'look at eyes' stare at objects to be watched, and thus, after long-time vision, eyes are fixed for a long time, and eyes are easy to fatigue.

In the prior art, the full-color bionic white light source for reducing the blue light quantity and increasing the red light spectrum is used for illuminating the eye axis which accords with the visual habit, so that the visual protection of teenagers eyes in the junior middle school stage can be effectively realized, and the eye fatigue is relieved. However, in real life, the young, middle-aged and elderly people who are adult are also plagued with eyestrain under long-term illumination. The eye development of teenagers in the junior middle school is different from the eye development state of adult human eyes, and the research discovers that the lighting method existing in the prior art has obviously reduced eye protection effect on adults in all age groups except teenagers in the junior middle school. There is no eye-protection illumination method suitable for people of all ages in the prior art.

Therefore, the research of the eye-protection illumination method suitable for people of all ages has very important significance.

Disclosure of Invention

The invention aims at: aiming at the problem that the prior art lacks an eye protection illumination method suitable for people of all ages, the eye protection illumination method, the eye protection illumination device and the application are provided, the illumination method adopts a full-color bionic white light source with high fitting natural light and a single-wavelength red light source as illumination light sources, the full-color bionic white light source provides excellent light sources with high similarity to the natural light, so that the eye use illumination environment is more similar to the natural illumination environment, the adaptability of human eyes is stronger under the illumination condition of the full-color bionic white light source, the eye use fatigue can be improved in a natural relaxation state. Meanwhile, the single-wavelength red light source is used as an enhanced auxiliary light source, synchronous dynamic illumination is adopted in the illumination process of the single-wavelength red light source, the optically perceived photochromic imaging is regulated, the eye ciliary muscle of the eye is reduced to pull the eyeball forwards, and the change amount of the eye axis is controlled; the eye axis variation is controlled by providing the lighting environment of the full-color bionic white light source and matching with the dynamic lighting of red light, so that people of all ages can achieve the effects of protecting eyes and relieving eye fatigue.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

an eye-protecting illumination method adopts a full-color bionic white light source and a single-wavelength red light source as illumination light sources; wherein, the wavelength of the red light effective wave band generated by the single-wavelength red light source is at least one wavelength of 600 nm-700 nm; the spectrum of the full-color bionic white light source is a spectrum with the approximation degree of the radiation power distribution curve of the light source and the natural spectrum of the same color temperature reaching 95% +/-5%, the spectrum color rendering index of the full-color bionic white light source is more than 95, and R1-R15 are all more than 90;

in the illumination process, the full-color bionic white light source adopts illumination with static brightness or dynamic brightness; meanwhile, the single-wavelength red light source adopts brightness dynamic change illumination;

the dynamic illumination of red light brightness comprises the following steps that firstly, the brightness value below 50% is maintained, illumination is carried out for a period of time, then the brightness value is increased to 100% within 0.8-1.2 s, illumination is maintained, and then the brightness value below 50% is reduced within 0.8-1.2 s, and the repeated circulation illumination is carried out;

when the brightness of the red light rises, the brightness of the full-color bionic white light source is unchanged or synchronously falls; when the brightness of the red light is reduced, the brightness of the full-color bionic white light source is unchanged or synchronously rises.

The invention provides an eye-protection illumination method, which adopts a full-color bionic white light source with high fitting natural light and a single-wavelength red light source as illumination light sources, wherein the full-color bionic white light source provides excellent light sources with high similarity to the natural light, so that the eye-use illumination environment is more similar to the natural illumination environment, and under the illumination condition of the full-color bionic white light source, the adaptability of human eyes is stronger, the eye-use fatigue can be improved. Meanwhile, the single-wavelength red light source is used as an enhanced auxiliary light source, synchronous dynamic illumination is adopted in the illumination process of the single-wavelength red light source, the optically perceived photochromic imaging is regulated, the eye ciliary muscle of the eye is reduced to pull the eyeball forwards, and the change amount of the eye axis is controlled; the full-color bionic white light source is provided for controlling the change of the eye axis by matching with the dynamic illumination of red light, so that the full-color bionic white light source can adapt to people of all ages, and the technical effects of protecting eyes and relieving eye fatigue can be achieved.

The study shows that the brightness of the full-color bionic white light source can be static or dynamic, but the red light source can solve the technical problem only by dynamic brightness change. Meanwhile, the research shows that when the brightness of the red light rises, the brightness of the full-color bionic white light source synchronously rises, and; when the brightness of the red light is reduced, the effect is obviously deteriorated if the brightness of the full-color bionic white light source is synchronously reduced.

Further, the spectrum of the full-color bionic white light source is a spectrum with the approximation degree of the radiation power distribution curve of the light source and the natural spectrum of the same color temperature reaching 95% +/-5%, the spectrum color rendering index of the full-color bionic white light source is more than 95, and R1-R15 are all more than 90.

Further, in the spectrum of the full-color bionic white light source, the approximation degree of the radiation power distribution curve of the light source and the natural light with the same color temperature is Ai/Bi; wherein Ai refers to the radiation quantity of the full-color bionic white light source at the time of in, bi refers to the radiation quantity of a natural light spectrum with the same color temperature at the time of in; ai/Bi=90% -100%, where 380nm is equal to or less than i is equal to or less than 700nm.

Further, when i is more than or equal to 380nm and less than or equal to 480nm, ai/Bi is 90% -95%; when i is more than or equal to 480nm and less than or equal to 600nm, ai/Bi is 95% -100%; when i is more than or equal to 600nm and less than or equal to 700nm, ai/Bi is 90-100 percent.

Further, the wavelength of the red light effective wave band generated by the single-wavelength red light source is at least one wavelength of 630 nm-700 nm. Preferably, the wavelength of the red light effective wave band generated by the single-wavelength red light source is at least one wavelength of 630nm to 670 nm. More preferably, the wavelength of the red effective wave band generated by the single-wavelength red light source is at least one wavelength of 650 nm-660 nm. The research shows that the proper red light effective wave band can show better eye protection effect.

Further, in the illumination process, the brightness value of the full-color bionic white light source is kept unchanged; at the same time, the method comprises the steps of,

the single wavelength red light source adopts dynamic brightness illumination, and specifically comprises the following steps:

step 1, maintaining a brightness value below 50%, and illuminating for 8-20 s;

step 2, rising to 100% brightness value within 0.8 s-1.2 s; maintaining illumination for 3 s-6 s;

step 3, the brightness value is reduced to a brightness value below 50% within 0.8 s-1.2 s;

and 4, repeating the steps from the step 1 to the step 3, and circularly illuminating.

The single-wavelength red light source finishes the switching from low brightness to high brightness and the switching from high brightness to low brightness within a specific time, and the brightness value is circularly changed into dynamic light, so that the single-wavelength red light source can adjust the optically perceived light color imaging by dynamic illumination, reduce the eye ciliary muscle to pull the eyeball forwards, and control the change quantity of the eye axis. Under the mutual cooperation of the static illumination full-color bionic white light source and the single-wavelength red light source in dynamic circulation illumination, the technical scheme provided by the invention can achieve the effects of protecting eyes and relieving eye fatigue for people of all ages.

Further, in the illumination process, the method comprises the following steps:

step 1, a full-color bionic white light source keeps a brightness value of 100%, and illumination is carried out for 8-20 s; in the same time period, the single-wavelength red light source keeps a brightness value below 50% for synchronous illumination;

step 2, the full-color bionic white light source is reduced to a brightness value of 25-45% from 100% brightness value within 0.8-1.2 s; in the same time period, the single-wavelength red light source gradually rises to 100% brightness value; then the full-color bionic white light source and the single-wavelength red light source synchronously keep illumination for 3 s-6 s;

step 3, the brightness value after the full-color bionic white light source is within 0.8 s-1.2 s, and the brightness value is increased to 100 percent; in the same time period, the single-wavelength red light source gradually drops to a brightness value below 50%;

and step 4, respectively repeating the steps from the step 1 to the step 3 by using a full-color bionic white light source and a single-wavelength red light source, and carrying out cyclic synchronous illumination.

The invention provides an eye-protecting illumination method, wherein the illumination light source adopts a full-color bionic white light source and a single-wavelength red light source; wherein, the wavelength of the red light effective wave band generated by the single-wavelength red light source is at least one wavelength of 600 nm-700 nm; the lighting process comprises the following steps: step 1, a full-color bionic white light source keeps a brightness value of 100%, and illumination is carried out for 8-20 s; in the same time period, the single-wavelength red light source keeps a brightness value below 50% for synchronous illumination; step 2, the full-color bionic white light source is reduced to a brightness value of 25-45% from 100% brightness value within 0.8-1.2 s; in the same time period, the single-wavelength red light source gradually rises to 100% brightness value; then the full-color bionic white light source and the single-wavelength red light source synchronously keep illumination for 3 s-6 s; step 3, the brightness value after the full-color bionic white light source is within 0.8 s-1.2 s, and the brightness value is increased to 100 percent; in the same time period, the single-wavelength red light source gradually drops to a brightness value below 50%; and step 4, respectively repeating the steps from the step 1 to the step 3 by using a full-color bionic white light source and a single-wavelength red light source, and carrying out cyclic synchronous illumination. On the one hand, the existence mode of high-saturation red light and high-saturation green light is formed in the full-color bionic spectrum, when the full-color bionic white light source is used for illumination, the adjustment of the focal length and the eye axis of vision is facilitated during vision imaging according to the imaging principle of the color on retina, the vision imaging of object reduction color is realized, the high adaptability and the comfort of vision are ensured, and the eyestrain under illumination is effectively relieved. On the other hand, in the whole lighting process, the full-color bionic white light source completes the switching from high brightness to low brightness and the switching from low brightness to high brightness within a specific time, and the brightness value is circularly changed into dynamic light, so that eyes blink, eyeballs automatically focus, reset and actively adjust the eye axis to accord with vision habit. Meanwhile, in the full-color bionic white light source illumination process, the single-wavelength red light source is synchronously illuminated, the switching from low brightness to high brightness and the switching from high brightness to low brightness are completed in a specific time, brightness values are circularly changed into dynamic light, the dynamic illumination of the single-wavelength red light source can adjust visual perception of light color imaging, eye ciliary muscles are reduced to pull eyeballs forwards, and the change quantity of an eye axis is controlled. By the aid of the technical scheme, people of all ages can achieve the effects of protecting eyes and relieving eye fatigue.

Further, in the step 1, the single-wavelength red light source keeps 20% -50% of brightness value and the full-color bionic white light source synchronously illuminate.

Further, in the step 1, the illumination time of the full-color bionic white light source and the single-wavelength red light source is 8 s-15 s. For example, the full-color light color bionic light source and the single-wavelength red light source have illumination time of 8s, 9s, 10s, 11s, 12s, 13s, 14s and 15s.

Further, in the step 2, the illumination time for changing the brightness values of the full-color bionic white light source and the single-wavelength red light source is 0.8 s-1.1 s, for example, 0.8s, 0.9s, 1.0s and 1.1s; the illumination time for keeping the brightness unchanged synchronously is 3s to 5s, for example 3s, 4s, 5s.

Further, in the step 3, the illumination time for the brightness value change of the full-color bionic white light source and the single-wavelength red light source is 0.8 s-1.1 s; for example 0.8s, 0.9s, 1.0s, 1.1s.

Further, the illumination light source further comprises a far infrared light source, and the wavelength of an effective wave band of the far infrared light source is 4-25 mu m; in the illumination process, the brightness value of the far infrared light source is kept unchanged and is synchronously illuminated with the single-wavelength red light source. Preferably, the wavelength of the effective wave band of the far infrared light source is 8-14 μm; the brightness value of the far infrared light source is 300 Lux-600 Lux. The research shows that the addition of far infrared light wave can realize better effect of relieving eye fatigue, and the addition of far infrared light wave can accelerate the activity of the optic nerve cells and embody better eye protection effect.

Further, the brightness value of 100% of the full-color bionic white light source is not lower than 600Lux, and the brightness value of 25% -45% is not higher than 400Lux; 100% of the single-wavelength red light source has a brightness value not lower than 600Lux and 50% or less has a brightness value not higher than 450Lux. Proper brightness is selected, so that the comfort of people can be improved, and the fatigue of eyes can be relieved.

It is another object of the present invention to provide an apparatus for use in the above eye-shielding illumination method.

The device adopted by the eye-protection illumination method comprises a control module, a driving power supply module, a full-color bionic white light source group module and a single-wavelength red light source group module;

the full-color bionic white light source module comprises a low-color temperature full-color bionic white light source group and a high-color temperature full-color bionic white light source group, the single-wavelength red light source module comprises a single-wavelength red light source group, and the driving power supply module is respectively electrically connected with the low-color temperature full-color bionic white light source group, the high-color temperature full-color bionic white light source group and the red light source group; the control module is used for simultaneously providing a current I1 size signal of the low-color temperature full-color bionic white light source group, a current I2 size signal of the high-color temperature full-color bionic white light source group and a current I3 size signal of the single-wavelength red light source group to the driving power supply module; the driving power supply module is used for generating driving currents I1, I2 and I3 according to the received current I1 size signal, current I2 size signal and current I3 size signal to respectively drive the low-color-temperature full-color bionic white light source group, the high-color-temperature full-color bionic white light source group and the red light source group, so that adjustment of brightness of the full-color bionic white light source and change of brightness of the red light source group are realized.

The application provides an LED eye-protection lighting device, which comprises a control module, a driving power module, a full-color bionic white light source group module and a single-wavelength red light source group module; the driving power supply module is respectively and electrically connected with the low-color-temperature full-color bionic white light source group, the high-color-temperature full-color bionic white light source group and the red light source group module; the control module is used for simultaneously providing a current I1 size signal of the low-color temperature full-color bionic white light source group, a current I2 size signal of the high-color temperature full-color bionic white light source group and a current I3 size signal of the single-wavelength red light source group module to the driving power supply module; the driving power supply module is used for generating driving currents I1, I2 and I3 according to the received current I1 size signal, current I2 size signal and current I3 size signal to respectively drive the low-color temperature full-color bionic white light source group, the high-color temperature full-color bionic white light source group and the red light source group module, so that the change of illumination brightness of the full-color bionic white light source and the red light source group module is realized. The utility model discloses a device of LED eyeshield illumination realizes illumination brightness's change through the electric current size of simultaneously adjusting high colour temperature light source group and low colour temperature light source group, simple structure, convenient to use, facilitate promotion.

Further, the control module includes a light sensor.

Further, the single-wavelength red light source group comprises at least two single-wavelength red light sources with different red light effective wave bands; at least two single-wavelength red light sources with different red light effective wave bands are connected in parallel, and the current intensities are unequal; the control module is used for simultaneously providing different current magnitude signals of all the single-wavelength red light sources for the driving power module, and the driving power module is used for producing driving currents with different magnitudes according to the received different current magnitude signals of all the single-wavelength red light sources to correspondingly drive the different single-wavelength red light sources respectively, so that the illumination brightness change of the single-wavelength red light source group is realized.

Furthermore, the low-color temperature full-color bionic white light source group is formed by connecting a plurality of low-color temperature full-color bionic white light sources in series, in parallel or in series and parallel, and the high-color temperature full-color bionic white light source group is formed by connecting a plurality of high-color temperature full-color bionic white light sources in series, in parallel or in series and parallel.

Further, the color temperature value of the low-color temperature full-color bionic white light source group and the color temperature value of the high-color temperature full-color bionic white light source group are two color temperature values with different magnitudes in 2700K-5600K.

Further, the color temperature value of the low-color temperature full-color bionic white light source group and the color temperature value of the high-color temperature full-color bionic white light source group are respectively located at any two interval color temperature values of 2700K-3000K, 4000K-4200K, 4700K-5200K and 5500K-6000K.

Further, when the color temperature of the full-color bionic white light source is 2700K-3000K, the absolute light power value of the 380-435 nm purple light in the spectrum of the full-color bionic white light source is smaller than 0.35; the absolute optical power value of 435-470 nm blue light is larger than 0.40; the absolute optical power value of 475-492 nm green light is larger than 0.45; the absolute optical power value of 492-577 nm green light is greater than 0.50; the absolute optical power value of 577-597 nm yellow light is larger than 0.75; the absolute optical power value of 597-622 nm orange light is larger than 0.80; the absolute optical power value of 622-700 nm red light is larger than 0.80.

Further, when the color temperature of the full-color bionic white light source is 4000K-4200K, the absolute light power value of 380-435 nm purple light in the spectrum of the full-color bionic white light source is smaller than 0.40; the absolute optical power value of 435-470 nm blue light is smaller than 0.65; the absolute optical power value of 475-492 nm green light is larger than 0.60; the absolute optical power value of 492-577 nm green light is greater than 0.65; the absolute optical power value of 577-597 nm yellow light is larger than 0.80; the absolute optical power value of 597-622 nm orange light is larger than 0.8; the absolute optical power value of 622-700 nm red light is larger than 0.80.

Further, when the color temperature of the full-color bionic white light source is 5500K-6000K, the absolute light power value of the 380-435 nm purple light in the spectrum of the full-color bionic white light source is smaller than 0.45; the absolute optical power value of 435-470 nm blue light is smaller than 0.80; the absolute optical power value of 475-492 nm green light is larger than 0.70; the absolute optical power value of 492-577 nm green light is larger than 0.80; the absolute optical power value of 577-597 nm yellow light is larger than 0.80; the absolute optical power value of 597-622 nm orange light is larger than 0.80; the absolute optical power value of 622-700 nm red light is larger than 0.70.

Spectral power: the spectrum emitted by a light source often is not a single wavelength, but rather consists of a mixture of radiation of many different wavelengths. The spectral radiation of a light source and the intensity distribution of the individual wavelengths in wavelength order is referred to as the spectral power distribution of the light source.

Parameters for characterizing the magnitude of the spectral power are divided into absolute spectral power and relative spectral power, and then absolute spectral power distribution curves: curves are made in absolute values of the energy of light at various wavelengths of spectral radiation.

Relative spectral power distribution curve: the energy of various wavelengths of the light source radiation spectrum is compared with each other, and the radiation power is changed only within a prescribed range after normalization processing. The maximum relative spectral power of the radiation power is 1, and the relative spectral power of other wavelengths is less than 1.

It is a further object of the present invention to provide an application of the above eye-protection illumination method.

The eye-protection lighting method is applied to panel lamps, table lamps, ceiling lamps, floor lamps, down lamps, PAR and spot lamps.

According to the eye protection illumination method, unexpected technical effects are achieved through the mutual matching of full-color bionic white light source and single-wavelength red light source dynamic circulation illumination, people of all ages can achieve the effects of protecting eyes and relieving eye fatigue, and the eye protection illumination method can be used in panel lamps, table lamps, ceiling lamps, floor lamps, down lamps, PAR and spot lamps, is wide in application and is convenient to popularize.

In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:

1. the invention provides an eye-protecting illumination method, which adopts a full-color bionic white light source with high fitting natural light and a single-wavelength red light source as illumination light sources, wherein the wavelength of a red light effective wave band generated by the single-wavelength red light source is at least one wavelength of 600 nm-700 nm; the full-color bionic white light source provides excellent light source and natural light with high similarity, so that the eye lighting environment is more similar to the natural lighting environment, the adaptability of human eyes is stronger under the full-color bionic white light source lighting condition, and the eye fatigue can be improved in a natural and relaxed state. Meanwhile, the single-wavelength red light source is used as an enhanced auxiliary light source, synchronous dynamic illumination is adopted in the illumination process of the single-wavelength red light source, the optically perceived photochromic imaging is regulated, the eye ciliary muscle of the eye is reduced to pull the eyeball forwards, and the change amount of the eye axis is controlled; the eye axis variation is controlled by providing the lighting environment of the full-color bionic white light source and matching with the dynamic lighting of red light, so that people of all ages can achieve the effects of protecting eyes and relieving eye fatigue.

2. The invention provides an eye-protecting illumination method, wherein the illumination light source adopts a full-color bionic white light source and a single-wavelength red light source; in the illumination process, on one hand, the existence mode of high-saturation red light and high-saturation green light is formed in the full-color bionic spectrum, when the full-color bionic white light source is used for illumination, the adjustment of the focal length and the eye axis of vision is facilitated during vision imaging according to the imaging principle of the color on retina, the vision imaging of the object reduction color is realized, the high adaptability and the comfort of vision are ensured, and the eyestrain under illumination is effectively relieved. On the other hand, in the whole lighting process, the full-color bionic white light source completes the switching from high brightness to low brightness and the switching from low brightness to high brightness within a specific time, and the brightness value is circularly changed into dynamic light, so that eyes blink, eyeballs automatically focus, reset and actively adjust the eye axis to accord with vision habit. Meanwhile, in the full-color bionic white light source illumination process, the single-wavelength red light source is synchronously illuminated, the switching from low brightness to high brightness and the switching from high brightness to low brightness are completed in a specific time, brightness values are circularly changed into dynamic light, the dynamic illumination of the single-wavelength red light source can adjust visual perception of light color imaging, eye ciliary muscles are reduced to pull eyeballs forwards, and the change quantity of an eye axis is controlled. By the aid of the technical scheme, people of all ages can achieve the effects of protecting eyes and relieving eye fatigue.

3. The application provides an LED eye-protection lighting device, wherein a full-color bionic white light source module comprises a low-color-temperature full-color bionic white light source group and a high-color-temperature full-color bionic white light source group, a single-wavelength red light source module comprises a single-wavelength red light source group, and a driving power supply module is respectively and electrically connected with the low-color-temperature full-color bionic white light source group, the high-color-temperature full-color bionic white light source group and the red light source group; the control module is used for simultaneously providing a current I1 size signal of the low-color temperature full-color bionic white light source group, a current I2 size signal of the high-color temperature full-color bionic white light source group and a current I3 size signal of the single-wavelength red light source group to the driving power supply module; the driving power supply module is used for generating driving currents I1, I2 and I3 according to the received current I1 size signal, current I2 size signal and current I3 size signal to respectively drive the low-color-temperature full-color bionic white light source group, the high-color-temperature full-color bionic white light source group and the red light source group, so that adjustment of brightness of the full-color bionic white light source and change of brightness of the red light source group are realized. The utility model discloses a device of LED eyeshield illumination realizes illumination brightness's change through the electric current size of simultaneously adjusting high colour temperature light source group and low colour temperature light source group, simple structure, convenient to use, facilitate promotion.

4. The eye-protecting illumination method disclosed by the invention has the unexpected technical effect by the mutual matching of the full-color bionic white light source and the single-wavelength red light source for dynamic circulation illumination, and the technical scheme provided by the invention can ensure that people in all age groups can achieve the effects of protecting eyes and relieving eye fatigue, can be used in panel lamps, desk lamps, ceiling lamps, floor lamps, down lamps, PAR and spot lamps, has wide application and is convenient to popularize.

Drawings

Fig. 1 is a device for LED eye-protection illumination in embodiment 1.

FIG. 2 is a spectrum chart of a low color temperature full color bionic white light source group in example 1.

FIG. 3 is a spectrum chart of a high color temperature full color bionic white light source group in example 1.

FIG. 4 is a chart showing the spectrum of red light emitted from the single wavelength red light source module of example 1.

FIG. 5 is a spectrum chart of a low color temperature full color bionic white light source set in example 2.

FIG. 6 is a spectrum chart of a high color temperature full color bionic white light source group in example 2.

FIG. 7 is a chart showing the spectrum of red light emitted from the single wavelength red light source module of example 2.

Fig. 8 is a schematic diagram of an LED eye-protection lighting device in embodiment 4.

Fig. 9 is a spectrum of red light emitted from the single wavelength red light source module in embodiment 4.

Fig. 10 is a spectrum of red light emitted from another single wavelength red light source module according to embodiment 4.

Fig. 11 is a spectrum of the far infrared light source module in example 5.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

Example 1

As shown in fig. 1, an LED eye-protecting lighting device includes a control module, a driving power module, a full-color bionic white light source module and a single wavelength red light source module;

Wherein, UI/I1 represents the voltage value/current value of the full-color bionic white light source group with low color temperature;

U2/I2 represents the voltage value/current value of the full-color bionic white light source group through high color temperature;

U3/I3 represents the voltage/current value through the single wavelength red light source group.

Preferably, the control module comprises a light sensor.

Preferably, the control module further comprises an infrared remote controller, the infrared receiving device is used for receiving a remote control signal of the infrared remote controller, and the control module generates a current I1 size signal, a current I2 size signal and a current I3 size signal according to the remote control signal.

Specifically, the low-color temperature panchromatic bionic white light source group consists of 18 panchromatic bionic (single power is 0.5W) white light LED light sources, the color temperature is 2700K, wherein the fluorescent layer of the panchromatic bionic white light LED light sources comprises a first film layer, a second film layer and a third film layer which are sequentially overlapped. The first film layer comprises first fluorescent powder and film forming material silica gel, the second film layer comprises second fluorescent powder and film forming material silica gel, and the third film layer comprises third fluorescent powder and film forming material silica gel. The mass ratio of the first fluorescent powder to the second fluorescent powder to the third fluorescent powder is 20:40:35.

Wherein the first fluorescent powder comprises fluorescent powder A2, and the fluorescent powder A2 is Y3 (Al, ga) 5O12 with the luminous wavelength of 490 nm.

The second phosphor includes a phosphor B1 and a phosphor B2, the phosphor B1 is bas 2O2N2 having an emission wavelength of 525nm, and the phosphor B2 is bas 2O2N2 having an emission wavelength of 540 nm. The mass ratio of the fluorescent powder B1 to the fluorescent powder B2 is 55:50.

The third phosphor includes phosphor C1, phosphor C2, phosphor C3, phosphor D, phosphor E, and phosphor F. Phosphor C1 is (Ca, sr) AlSiN3 having an emission wavelength of 630nm, phosphor C2 is (Ca, sr) AlSiN3 having an emission wavelength of 660nm, phosphor C3 is (Ca, sr) AlSiN3 having an emission wavelength of 679nm, phosphor D is (Ca, sr) AlSiN3 having an emission wavelength of 720nm, phosphor E is (Ca, sr) AlSiN3 having an emission wavelength of 740nm, and phosphor F is (Ca, sr) AlSiN3 having an emission wavelength of 795 nm. The mass ratio of the fluorescent powder C1, the fluorescent powder C2, the fluorescent powder C3, the fluorescent powder D, the fluorescent powder E and the fluorescent powder F is 9:13:16:21:23:27.

meanwhile, the film forming method is a film pressing method. The film thickness of the first film layer was 0.13mm and the first phosphor concentration was 61%, the film thickness of the second film layer was 0.13mm and the second phosphor concentration was 61%, and the film thickness of the third film layer was 0.13mm and the third phosphor concentration was 61%.

The spectrum of the full-color bionic white light source is a spectrum with the approximation degree of the radiation power distribution curve of the light source and the natural spectrum of the same color temperature reaching 95% +/-5%, the spectrum color rendering index of the full-color bionic white light source is more than 95, and R1-R15 are all more than 90.

Specifically, as shown in fig. 2, the absolute optical power value of the 380-435 nm violet light is 0.15; the absolute optical power value of 435-470 nm blue light is 0.42; the absolute optical power value of 475-492 nm green light is 0.48; the absolute optical power value of 492-577 nm green light is 0.52; the absolute optical power value of 577-597 nm yellow light is 0.78; the absolute optical power value of 597-622 nm orange light is 0.85; the absolute optical power value of 622-700 nm red light is 0.84. The light source spectrum of the low-color temperature light source group is a full-color bionic spectrum, and the approximation degree of the full-color bionic spectrum and the same-color Wen Ziran light spectrum is Ai/Bi; wherein Ai refers to the radiation quantity of the full-color bionic white light source at the time of in, bi refers to the radiation quantity of a natural light spectrum with the same color temperature at the time of in; when i is more than or equal to 380nm and less than or equal to 480nm, ai/Bi is 90 percent; when i is more than or equal to 480nm and less than or equal to 600nm, ai/Bi is 95%; when i is more than or equal to 600nm and less than or equal to 700nm, ai/Bi is 90 percent.

Specifically, the high-color temperature full-color bionic white light source is composed of 18 full-color bionic (single power is 0.5W) white light LED light sources, the color temperature is 5600K, and the fluorescent layer of the full-color bionic white light LED light source comprises a first film layer, a second film layer and a third film layer which are sequentially overlapped. The first film layer comprises first fluorescent powder and film forming material silica gel, the second film layer comprises second fluorescent powder and film forming material silica gel, and the third film layer comprises third fluorescent powder and film forming material silica gel. The mass ratio of the first fluorescent powder to the second fluorescent powder to the third fluorescent powder is 15:50:15.

The second phosphor includes a phosphor B1 and a phosphor B2, the phosphor B1 is bas 2O2N2 having an emission wavelength of 525nm, and the phosphor B2 is bas 2O2N2 having an emission wavelength of 540 nm. The mass ratio of the fluorescent powder B1 to the fluorescent powder B2 is 20:26.

The third phosphor includes phosphor C1, phosphor C2, phosphor C3, phosphor D, phosphor E, and phosphor F. Phosphor C1 is (Ca, sr) AlSiN3 having an emission wavelength of 630nm, phosphor C2 is (Ca, sr) AlSiN3 having an emission wavelength of 660nm, phosphor C3 is (Ca, sr) AlSiN3 having an emission wavelength of 679nm, phosphor D is (Ca, sr) AlSiN3 having an emission wavelength of 720nm, phosphor E is (Ca, sr) AlSiN3 having an emission wavelength of 740nm, and phosphor F is (Ca, sr) AlSiN3 having an emission wavelength of 795 nm. The mass ratio of the fluorescent powder C1, the fluorescent powder C2, the fluorescent powder C3, the fluorescent powder D, the fluorescent powder E and the fluorescent powder F is 6:7:11:13:16:17.

meanwhile, the film forming method was a film pressing method, the film thickness of the first film layer was 0.11mm and the first phosphor concentration was 67%, the film thickness of the second film layer was 0.11mm and the second phosphor concentration was 67%, and the film thickness of the third film layer was 0.11mm and the third phosphor concentration was 67%.

Specifically, as shown in fig. 3, the absolute optical power value of the 380-435 nm violet light is 0.40; the absolute optical power value of 435-470 nm blue light is 0.75; the absolute optical power value of 475-492 n green light is 0.72; the absolute light power value of 492-577 nm green light is 0.83; the absolute optical power value of 577-597 nm yellow light is 0.82; the absolute optical power value of 597-622 nm orange light is 0.85; the absolute optical power value of 622-700 nm red light is 0.77. The light source spectrum of the high-color temperature light source group is a full-color bionic white light source, and the approximation degree of the full-color bionic white light source and the light spectrum of the same color Wen Ziran is Ai/Bi; wherein Ai refers to the radiation quantity of the full-color bionic white light source at the time of in, bi refers to the radiation quantity of a natural light spectrum with the same color temperature at the time of in; when i is more than or equal to 380nm and less than or equal to 480nm, ai/Bi is 95%; when i is more than or equal to 480nm and less than or equal to 600nm, ai/Bi is 100 percent; when i is more than or equal to 600nm and less than or equal to 700nm, ai/Bi is 100 percent.

Specifically, the single-wavelength red light source module consists of 18 LED lamp beads which are connected in series and have the effective red light wave band and the wavelength of 640nm, and a specific red light spectrum is shown in fig. 4. The current of the single-wavelength red light source group module is I3. The low-color temperature single-wavelength red light source is uniformly arranged in the low-color temperature full-color bionic white light source.

The method for lighting by adopting the lighting device comprises the following steps:

step 1, controlling I1 to be 0% of the minimum output current, I2 to be 95% of the maximum output current, or controlling I1 to be 100% of the maximum output current, I2 to be 0% of the minimum output current, and keeping the 100% brightness value to be 900Lux and illuminating for 15s;

in the same time period, controlling the I3 to be the maximum output current, namely 50%, and synchronously illuminating for 15s by keeping the 50% brightness value of 450 Lux of the single-wavelength red light source;

step 2, the brightness value of the full-color bionic white light source is reduced to 270 Lux from 100% within 0.8s, at the moment, I1 is 0%, and I2 is 27% of the maximum output current; or I1 is 30% of the maximum output current, I2 is 0%, and illumination is kept for 5s; meanwhile, the single-wavelength red light source gradually rises to 100% brightness value within 0.8s, and at the moment, I3 is the maximum output current, namely 100%, and illumination is kept for 5s;

step 3, the brightness value after the full-color bionic white light source is within 0.8s, and the brightness value is increased to 100%; in the same time period, the single-wavelength red light source gradually reduces the brightness value by 50%;

and step 4, repeating the steps from the step 1 to the step 3 by using a full-color bionic white light source and a single-wavelength red light source, and carrying out cyclic synchronous illumination.

Example 2

Example 2 the same LED eye-protecting lighting device as example 1 was used.

Specifically, the low-color temperature panchromatic bionic white light source group consists of 18 panchromatic bionic (single power is 0.5W) white light LED light sources, and the color temperature is 3000K.

As shown in particular in fig. 5. The absolute optical power value of the purple light with 380-435 nm is 0.33; the absolute optical power value of 435-470 nm blue light is 0.48; the absolute optical power value of 475-492 nm green light is 0.8; the absolute light power value of 492-577 nm green light is 0.9; the absolute optical power value of 577-597 nm yellow light is 1.13; the absolute optical power value of 597-622 nm orange light is 1.2; the absolute optical power value of 622-700 nm red light is 1.37. The light source spectrum of the low-color temperature light source group is a full-color bionic white light source, and the approximation degree of the full-color bionic white light source and the light spectrum of the same color Wen Ziran is Ai/Bi; wherein Ai refers to the radiation quantity of the full-color bionic white light source at the time of in, bi refers to the radiation quantity of a natural light spectrum with the same color temperature at the time of in; when i is more than or equal to 380nm and less than or equal to 480nm, ai/Bi is 93%; when i is more than or equal to 480nm and less than or equal to 600nm, ai/Bi is 98%; when i is more than or equal to 600nm and less than or equal to 700nm, ai/Bi is 97 percent.

Specifically, the high-color-temperature full-color light source consists of 18 full-color bionic (single power is 0.5W) white light LED light sources, and the color temperature is 4200K.

As shown in particular in fig. 6. The absolute optical power value of 380-435 nm ultraviolet light is 035; the absolute optical power value of 435-470 nm blue light is 0.6; the absolute optical power value of 475-492 nm green light is 0.88; the absolute light power value of 492-577 nm green light is 0.85; the absolute optical power value of 577-597 nm yellow light is 1.0; the absolute optical power value of 597-622 nm orange light is 0.95; the absolute optical power value of 622-700 nm red light is 1.2. The light source spectrum of the high-color temperature light source group is a full-color bionic spectrum, and the approximation degree of the full-color bionic spectrum and the same-color Wen Ziran light spectrum is Ai/Bi; wherein Ai refers to the radiation quantity of the full-color bionic white light source at the time of in, bi refers to the radiation quantity of a natural light spectrum with the same color temperature at the time of in; when i is more than or equal to 380nm and less than or equal to 480nm, ai/Bi is 95%; when i is more than or equal to 480nm and less than or equal to 600nm, ai/Bi is 98%; when i is more than or equal to 600nm and less than or equal to 700nm, ai/Bi is 97 percent.

Specifically, the single-wavelength red light source module consists of 18 serial LED lamp beads with the wavelength of 630nm in the red effective wave band, and a specific red spectrogram is shown in fig. 7. The current of the single-wavelength red light source group module is I3. The low-color temperature single-wavelength red light source is uniformly arranged in the low-color temperature full-color bionic white light source.

Step 1, controlling I1 to be 0% of the minimum output current, I2 to be 84% of the maximum output current, and keeping the 100% brightness value to be 800Lux and illuminating for 8s;

in the same time period, controlling the I3 to be the maximum output current, namely 20%, and synchronously illuminating for 8s by keeping the 20% brightness value of 200Lux of a single-wavelength red light source;

step 2, the brightness value of the full-color bionic white light source is reduced to 200Lux from 100% within 1.2s, at the moment, I1 is 0%, and I2 is 21% of the maximum output current; maintaining illumination for 3s; meanwhile, the single-wavelength red light source is gradually increased to a brightness value of 1000Lux of 100% within 1.2s, and at the moment, I3 is the maximum output current, namely 100%, and illumination is kept for 3s;

step 3, the brightness value after the full-color bionic white light source is within 1.2s, and the brightness value is increased to 100%; in the same time period, the single-wavelength red light source gradually reduces the brightness value by 20%;

Example 3

In embodiment 3, the same LED eye-protecting lighting device as in embodiment 1 is adopted, and the full-color bionic white light source module and the single-wavelength red light source module are the same as in embodiment 1.

The method of illumination comprises the steps of: in the illumination process, the brightness value of the full-color bionic white light source is kept unchanged at 900 Lux; the brightness of the single-wavelength red light source changes in a cyclic illumination manner, and the method is as follows:

Step 1, controlling I1 to be 0% of the minimum output current, I2 to be 95% of the maximum output current, or controlling I1 to be 100% of the maximum output current, I2 to be 0% of the minimum output current, and keeping the brightness value of 100% to be 900Lux for illumination;

in the same time period, controlling the I3 to be the maximum output current, namely 50%, and keeping the 50% brightness value of 450 Lux for illumination for 15s by a single-wavelength red light source;

step 2, gradually increasing the single-wavelength red light source to a brightness value of 100% within 0.8s, wherein I3 is the maximum output current, namely 100%, and keeping illumination for 5s;

step 3, the brightness value is within 0.8s, and the single-wavelength red light source gradually reduces the brightness value by 50%;

and step 4, repeating the steps from the step 1 to the step 3 by using a single-wavelength red light source to perform cyclic synchronous illumination.

Example 4

As shown in fig. 8, embodiment 4 provides an LED eye-protecting lighting device, which includes a control module, a driving power module, a full-color bionic white light source module and a single-wavelength red light source module;

the driving power supply module is respectively and electrically connected with the low-color-temperature full-color bionic white light source group, the high-color-temperature full-color bionic white light source group and the red light source group module; the control module can simultaneously provide a current I1 size signal of the low-color-temperature full-color bionic white light source group and a current I2 size signal of the high-color-temperature full-color bionic white light source group to the driving power supply module; the driving power supply module can generate driving currents I1 and I2 according to the received current I1 size signal and the current I2 size signal to respectively drive the low-color-temperature full-color bionic white light source group and the high-color-temperature full-color bionic white light source group, so that the change of the illumination brightness of the full-color bionic white light source is realized.

The single-wavelength red light source group module comprises two single-wavelength red light source group modules with the red light effective wave bands of 650nm and 660nm respectively; the two single-wavelength red light source group modules are connected in parallel, the current intensity is unequal, the 650nm single-wavelength red light source group module comprises 9 serially connected 650nm red light beads, and the current intensity is I31; the 660nm single-wavelength red light source module comprises 9 serially connected 660 nm-wavelength red light beads, and the current intensity is I32; wherein I31 is less than I32. The control module can simultaneously provide current magnitude signals I31 and I32 for the driving power supply module, and the driving power supply module can produce driving currents I31 and I32 with different magnitudes according to the received current magnitude signals of all the single-wavelength red light source group modules to correspondingly drive the different single-wavelength red light source group modules, so that the illumination brightness change of the single-wavelength red light source group module is realized.

U31/I31 represents the voltage/current value through the 650nm single wavelength red light source set.

U32/I32 represents the voltage/current value through the 660nm single wavelength red light source group.

Preferably, the full-color bionic control module and the red light control module each further comprise a light sensor.

Preferably, the control module further comprises an infrared remote controller, the infrared receiving device is used for receiving remote control signals of the infrared remote controller, and the control module generates a current I1 size signal, a current I2 size signal, an I31 size signal and an I32 size signal according to the remote control signals.

The spectrum of the single-wavelength red light source group module with the wavelength of 650nm is shown in fig. 9, and the spectrum of the single-wavelength red light source group module with the wavelength of 660nm is shown in fig. 10.

Example 4 the same eye-shielding illumination method as in example 1 was used.

Example 5

Example 5 the same LED eye-protecting lighting device as in example 1 was used.

The low color temperature full color bionic white light source group, the high color temperature full color bionic white light source group, and the single wavelength red light source group are the same as in embodiment 1. The difference is that the illumination light source also comprises a far infrared light source module, comprising 6 far infrared lamp beads. As shown in FIG. 11, the effective wavelength band of the far infrared light source has a wavelength of 4 μm to 25 μm, and the luminance value of the far infrared light source is 300 Lux. In the illumination process, the full-color bionic white light source and the single-wavelength red light source adopt the same illumination mode as in the embodiment 1, and in the embodiment 5, the brightness value of the far-infrared light source is kept unchanged and the single-wavelength red light source is used for synchronous illumination.

Comparative example 1

Compared with the embodiment 1, the illumination method is changed into the common LED light source illumination method, and the non-full-color bionic white light source adopts the same illumination method as the embodiment 1.

The approximation degree of the common LED light source and the natural spectrum with the same color temperature is 50%, and the optical power of 640-650 nm is 0.65; the optical power of 650-660 nm is 0.44; the optical power of 660-670 nm is 0.36; the optical power of 670-700 nm is 0.21.

Comparative example 2

Compared with the example 1, the comparative example 2 only adopts a full-color bionic white light source as an illumination light source, and the brightness value is unchanged in the illumination process.

Comparative example 3

The same illumination device as in embodiment 1 was used as compared with embodiment 1. In the illumination process, the brightness value of the full-color bionic light source is 900Lux and is kept unchanged all the time; the brightness value of the red light source is 900Lux and is unchanged all the time.

Comparative example 4

Compared with the embodiment 1, the same lighting device as the embodiment 1 is adopted, and the specific method in the lighting process is as follows:

in the same time period, controlling the I3 to be the maximum output current, namely 50%, and controlling the I4 to be the minimum output current, namely 0%, and synchronously illuminating for 15s by keeping the 50% brightness value of 450 Lux of the single-wavelength red light source;

Step 2, the brightness value of the full-color bionic white light source is reduced to 270 Lux from 100% within 0.3s, at the moment, I1 is 0%, and I2 is 27% of the maximum output current; or I1 is 30% of the maximum output current, I2 is 0%, and illumination is kept for 5s; meanwhile, the single-wavelength red light source gradually rises to 100% brightness value within 0.3s, at the moment, I3 is the maximum output current, namely 100%, I4 is the minimum output current, namely 0%, and illumination is kept for 5s;

step 3, the brightness value after the full-color bionic white light source is within 0.3s, and the brightness value is increased to 100%; in the same time period, the single-wavelength red light source gradually reduces the brightness value by 50%;

Comparative example 5

Compared with the embodiment 1, the same lighting device as the embodiment 1 is adopted, and the specific method is as follows:

Step 2, the brightness value of the full-color bionic white light source is reduced to 270 Lux from 100% within 1.8s, at the moment, I1 is 0%, and I2 is 27% of the maximum output current; or I1 is 30% of the maximum output current, I2 is 0%, and illumination is kept for 5s; meanwhile, the single-wavelength red light source is gradually increased to 100% brightness value within 2.8s, at the moment, I3 is the maximum output current, namely 100%, I4 is the minimum output current, namely 0%, and illumination is kept for 5s;

step 3, the brightness value after the full-color bionic white light source is within 2.8s, and the brightness value is increased to 100%; in the same time period, the single-wavelength red light source gradually reduces the brightness value by 50%;

Comparative example 6

Comparative example 6 compared with example 1, only a full-color bionic white light source was used as an illumination light source, and the illumination method of the full-color bionic white light source was exactly the same as that of example 1 during illumination.

Comparative example 7

Comparative example 7 in comparison with example 1, only a single-wavelength red light source was used as the illumination light source, and the illumination method of the single-wavelength red light source was the same as that of example 1 during illumination.

Comparative example 8

The full-color bionic white light source and the single-wavelength red light source which are the same as those in the embodiment 1 are adopted in the comparative example 8, and the difference is that the illumination method of the full-color bionic white light source is the same as that in the embodiment 1, and the brightness value is 900 Lux in the whole illumination process.

Comparative example 9

The comparative example 9 adopts the same full-color bionic white light source and single-wavelength red light source as in the embodiment 1, and the illumination method of the full-color bionic white light source is the same as in the embodiment 1, except that the single-wavelength red light source adopts the full-color bionic white light source illumination mode for illumination, and the specific steps are as follows.

The method comprises the following steps:

i3 is 100% of maximum output current, I4 is 0% of minimum output current, and the single-wavelength red light source keeps a brightness value of 900Lux for synchronous illumination for 15s;

step 2, the brightness value of the full-color bionic white light source is reduced to 270 Lux from 100% within 0.8s, at the moment, I1 is 0%, and I2 is 27% of the maximum output current; or I1 is 30% of the maximum output current, I2 is 0%, and illumination is kept for 5s; meanwhile, the single-wavelength red light source gradually drops to a 50% brightness value of 450 Lux within 0.8s, at the moment, I3 is the maximum output current, namely 50%, and I4 is the minimum output current, namely 0%, so that illumination is kept for 5s;

step 3, the brightness value of the full-color bionic white light source and the single-wavelength red light source is within 0.8s, and the brightness value is increased to 100%;

Test 1

In a certain area of Sichuan, 100 primary students are taken as test objects, and factors such as male specific sex proportion, age, myopia and non-myopia distribution of 100 participators have statistical significance, are basically balanced in all aspects and have comparability.

The same 100 testers were invited to enter 14 classrooms at half a month simultaneously, and the same number of example 1-example 5 and comparative example 1-comparative example 9, and the corresponding illumination methods were installed in the same positions in the 14 classrooms.

In 14 classrooms, 100 testers continuously see journal journals for 2.5 hours, and the whole eye using process is not disturbed.

After 2.5 hours, subjects scored eye fatigue, eye fatigue was low and eye comfort was high

The score was high, and a score of 0 to 10 was set, wherein a score of 10 was high for eye comfort, a score of 0 was poor for eye comfort, and the higher the score was, the higher the eye comfort was, and the test results are shown in table 1.

Test 2

In a certain area of Sichuan, 80 young people 18 years old to 44 years old are used as test objects, 80 is the factors of sex ratio, age, myopia, non-myopia distribution and the like of participators, and the factors have statistical significance, are basically balanced in all aspects and have comparability.

The same 80 testers were invited to enter 14 classrooms at half a month simultaneously, and the same number of example 1-example 5 and comparative example 1-comparative example 9, and the corresponding illumination methods were installed in the same positions in the 14 classrooms.

In 14 classrooms, 80 testers continuously see journal journals for 2.5 hours, and the whole eye using process is not disturbed.

Test 3

In a certain area of Sichuan, 80 middle-aged people with 45 years to 59 years are tested, 80 is the factors of sex ratio, age, myopia, non-myopia distribution and the like of participators, has statistical significance, and basically balances all aspects and has comparability.

Test 4

In a certain area of Sichuan, 60 old people who are 65 years old to 80 years old test objects, 60 is the factors such as the male specific sex proportion, age, myopia and non-myopia distribution of participators, and the like, has statistical significance, basically balances all aspects and has comparability.

The same 60 testers were invited to enter 14 classrooms at half a month simultaneously, and the same number of example 1-example 5 and comparative example 1-comparative example 9, and the corresponding illumination methods were installed in the same positions in the 14 classrooms.

In 14 classrooms, 60 testers continuously see journal journals for 2.5 hours, and the whole eye using process is not disturbed.

After 2.5 hours, subjects were scored for eyestrain and the average score was calculated after removing the maximum and minimum values. The eye comfort level is high, the eye fatigue level is low, the eye comfort level is high, and a standard of 0 to 10 points is set, wherein 10 points are high, 0 points are poor, and the eye comfort level is higher as the eye comfort level is higher, and the test result is shown in table 1.

TABLE 1

From the test results of table 1, the technical scheme of the invention is adopted in embodiments 1-3, the eye fatigue relieving score can reach 9.0 for people of all ages, meanwhile, the full-color bionic white light source and the single-wavelength red light source are used as illumination light sources, the illumination light sources and the light source brightness value change method in the illumination process are adjusted in a targeted manner, under excellent light source illumination, the brightness is changed in a bionic mode, the active eye axis adjusting function of the human eyes is reset, the optically perceived light color imaging is adjusted, the eye ciliary muscle of the eyes is reduced to pull the eyeballs forwards, the eye axis change amount is controlled, and under the combined action, the effects of protecting the eyes and relieving the eye fatigue can be achieved for people of all ages, and unexpected technical effects are obtained. Example 4 optimizes the wavelength band of the single-wavelength red light source, and the effect is obvious. Example 5 added far infrared light source, also has better effect of relieving eye fatigue. Comparative example 1-comparative example 9 the effect of relieving eye fatigue was significantly reduced without using the full-color biomimetic white light source of the present application or without using the illumination method of the present application, and particularly, it was found that the eye development of teenagers in junior middle school age stage was different from that of adult human eyes, and the eye protection effect of the full-color biomimetic white light source + illumination method was significantly reduced for adults in various age groups other than teenagers in junior middle school age stage.

The invention provides an eye-protecting illumination method, which adopts a full-color bionic white light source with high fitting natural light and a single-wavelength red light source as illumination light sources, wherein the wavelength of a red light effective wave band generated by the single-wavelength red light source is at least one wavelength of 600 nm-700 nm, and the full-color bionic white light source provides excellent light source and has high similarity with the natural light, so that the eye-using illumination environment is more similar to the natural illumination environment, the adaptability of human eyes is stronger under the illumination condition of the full-color bionic white light source, and the eye-using fatigue can be improved in a natural relaxation state. Meanwhile, the single-wavelength red light source is used as an enhanced auxiliary light source, synchronous dynamic illumination is adopted in the illumination process of the single-wavelength red light source, the optically perceived photochromic imaging is regulated, the eye ciliary muscle of the eye is reduced to pull the eyeball forwards, and the change amount of the eye axis is controlled; the eye axis variation is controlled by providing the lighting environment of the full-color bionic white light source and matching with the dynamic lighting of red light, so that people of all ages can achieve the effects of protecting eyes and relieving eye fatigue.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims

1. An eye-protecting illumination method is characterized in that a full-color bionic white light source and a single-wavelength red light source are adopted as illumination light sources; wherein, the wavelength of the red light effective wave band generated by the single-wavelength red light source is at least one wavelength of 600 nm-700 nm; the spectrum of the full-color bionic white light source is a spectrum with the approximation degree of the radiation power distribution curve of the light source and the natural spectrum of the same color temperature reaching 95% +/-5%, the spectrum color rendering index of the full-color bionic white light source is more than 95, and R1-R15 are all more than 90;

the dynamic illumination of red light brightness comprises the following steps that illumination with a brightness value below 50% is maintained, then the brightness value is increased to 100% within 0.8-1.2 s, illumination is maintained, and then the brightness value is decreased to the brightness value below 50% within 0.8-1.2 s, and the cyclic illumination is repeated;

2. The eye-shielding illumination method according to claim 1, wherein the red light effective wavelength band generated by the single-wavelength red light source has at least one wavelength of 630nm to 700 nm.

3. The eye-protecting illumination method according to claim 2, wherein the red light effective wavelength band generated by the single-wavelength red light source has at least one wavelength of 630nm to 670 nm.

4. The eye-protection illumination method according to claim 1, wherein the brightness value of the full-color bionic white light source is kept unchanged during the illumination process; at the same time, the method comprises the steps of,

step 1, maintaining a brightness value below 50%, and illuminating for 8-20 s;

5. The eye-protection illumination method according to claim 1, wherein the illumination process comprises the following steps:

6. The method according to claim 5, wherein in step 1, the single-wavelength red light source keeps 20% -50% of brightness value and the full-color bionic white light source synchronously illuminate.

7. The method according to claim 5, wherein in the step 1, the illumination time of the full-color bionic white light source and the single-wavelength red light source is 8 s-15 s.

8. The method according to claim 5, wherein in the step 2, the illumination time for changing the brightness values of the full-color bionic white light source and the single-wavelength red light source is 0.8 s-1.1 s, and the illumination time for synchronously keeping the brightness unchanged is 3 s-5 s.

9. The method according to claim 5, wherein in the step 3, the illumination time for changing the brightness values of the full-color bionic white light source and the single-wavelength red light source is 0.8 s-1.1 s.

10. The eye-protecting illumination method according to claim 1, wherein the illumination light source further comprises a far infrared light source, and the wavelength of the effective wave band of the far infrared light source is 4 μm to 25 μm; in the illumination process, the brightness value of the far infrared light source is kept unchanged and is synchronously illuminated with the single-wavelength red light source.

11. The eye-shielding illumination method according to claim 10, wherein the wavelength of the effective band of the far infrared light source is 8 μm to 14 μm; the brightness value of the far infrared light source is 300 Lux-600 Lux.

12. An illumination device used in the eye-protection illumination method according to any one of claims 1 to 11, comprising a control module, a driving power module, a full-color bionic white light source group module and a single-wavelength red light source group module;

the full-color bionic white light source module comprises a low-color temperature full-color bionic white light source group and a high-color temperature full-color bionic white light source group, the single-wavelength red light source module comprises a single-wavelength red light source group, and the driving power supply module is respectively electrically connected with the low-color temperature full-color bionic white light source group, the high-color temperature full-color bionic white light source group and the single-wavelength red light source group; the control module is used for simultaneously providing a current I1 size signal of the low-color temperature full-color bionic white light source group, a current I2 size signal of the high-color temperature full-color bionic white light source group and a current I3 size signal of the single-wavelength red light source group to the driving power supply module; the driving power supply module is used for generating driving currents I1, I2 and I3 according to the received current I1 size signal, current I2 size signal and current I3 size signal so as to respectively drive the low-color-temperature full-color bionic white light source group, the high-color-temperature full-color bionic white light source group and the single-wavelength red light source group, so that adjustment of brightness of the full-color bionic white light source and change of brightness of the single-wavelength red light source group are realized.

13. The illumination device used in the eye-protection illumination method according to claim 12, wherein the single-wavelength red light source group includes at least two single-wavelength red light sources having different red light effective wave bands; at least two single-wavelength red light sources with different red light effective wave bands are connected in parallel, and the current intensities are unequal; the control module is used for simultaneously providing different current magnitude signals of all the single-wavelength red light sources for the driving power module, and the driving power module is used for producing driving currents with different magnitudes according to the received different current magnitude signals of all the single-wavelength red light sources to correspondingly drive the different single-wavelength red light sources respectively, so that the illumination brightness change of the single-wavelength red light source group is realized.

14. A lighting device as recited in claim 12, wherein said control module comprises a light sensor.

15. A lighting device as recited in claim 12, wherein said low color temperature full color bionic white light source bank is formed by a plurality of low color temperature full color bionic white light sources connected in series, parallel or series-parallel, and said high color temperature full color bionic white light source bank is formed by a plurality of high color temperature full color bionic white light sources connected in series, parallel or series-parallel.

16. A lighting device as recited in claim 15, wherein said low color temperature panchromatic bionic white light source bank has a color temperature value and said high color temperature panchromatic bionic white light source bank has a color temperature value of two different color temperature values of 2700K-5600K.

17. A lighting device as recited in claim 16, wherein said low color temperature panchromatic bionic white light source bank and said high color temperature panchromatic bionic white light source bank have color temperature values that are respectively at any two of the interval color temperature values of 2700K-3000K, 4000K-4200K, 4700K-5200K and 5500K-6000K.

18. Use of an eye-protection lighting method according to any one of claims 1-11 in panel lamps, desk lamps, ceiling lamps, floor lamps, down lamps, PAR and spot lamps.