Light source module and illumination device
The present disclosure discloses a light source module and an illumination device using the light source module. The light source module includes at least one of a first light emitting body, a second light emitting body, and a third light emitting body, three light emitting bodies have different characteristics of luminescence. The light source module and the illumination device using the light source module, provided by the example of the disclosure, adjust a peak wavelength, a peak intensity and a color coordinate of a light emitting body in the light source module into a preset range.
1. A light source module, comprising a first light emitting body, a second light emitting body, and a third light emitting body; wherein:
the first light emitting body is configured to emit light rays having a first wave peak with a wavelength in a range of 435-465 nm and a second wave peak with a wavelength in a range of 620-650 nm, wherein a spectral intensity of the first wave peak is 70-90% of a spectral intensity of the second wave peak, and a first condition is conformed in an International Commission on Illumination (CIE) 1931 color coordinate system that an abscissa X is in a range of 0.389-0.419, and an ordinate Y is in a range of 0.371-0.401;
the second light emitting body is configured to emit light rays having a first wave peak with a wavelength in a range of 435-465 nm, a second wave peak with a wavelength in a range of 525-555 nm, and a third wave peak with a wavelength in a range of 620-650 nm, wherein a spectral intensity of the second wave peak is 25-45% of a spectral intensity of the first wave peak, and a spectral intensity of the third wave peak is 20-40% of the spectral intensity of the first wave peak, and a second condition is conformed in the CIE 1931 color coordinate system that an abscissa X is in a range of 0.280-0.310, and an ordinate Y is in a range of 0.284-0.314;
the third light emitting body is configured to emit light rays having a first wave peak with a wavelength in a range of 435-465 nm, a second wave peak with a wavelength in a range of 525-555 nm, and a third wave peak with a wavelength in a range of 620-650 nm, wherein a spectral intensity of the second wave peak is 45-65% of a spectral intensity of the first wave peak, and a spectral intensity of the third wave peak is 40-60% of the spectral intensity of the first wave peak, and a third condition is conformed in the CIE 1931 color coordinate system that an abscissa X is in a range of 0.331-0.361, and an ordinate Y is in a range of 0.331-0.361; and
the first light emitting body, the second light emitting body, and the third light emitting body are configured such that color discrimination recognized by an eye is improved.
2. The light source module of claim 1 , wherein the light rays emitted by the first light emitting body conform to a condition in the CIE 1931 color coordinate system that the abscissa X is in a range of 0.394-0.414, and the ordinate Y is in a range of 0.376-0.396.
3. The light source module of claim 2 , wherein the light rays emitted by the first light emitting body conform to a condition in the CIE 1931 color coordinate system that the abscissa X is in a range of 0.399-0.409, and the ordinate Y is in a range of 0.381-0.391.
4. The light source module of claim 3 , wherein the light rays emitted by the first light emitting body conform to a condition in the CIE 1931 color coordinate system that the abscissa X is 0.3996, and the ordinate Y is 0.3805.
5. The light source module of claim 1 , wherein a spectral half-width of the second wave peak of the light rays emitted by the first light emitting body is in a range of 65-85 nm or 95-115 nm.
6. The light source module of claim 5 , wherein the spectral half-width of the second wave peak of the light rays emitted by the first light emitting body is in a range of 95-99.5 nm.
7. The light source module of claim 1 , wherein the light rays emitted by the first light emitting body have continuous spectrum in a range of 485-590 nm, and a spectral intensity of the light rays located in the range is not less than a preset ratio of the spectral intensity of the second wave peak, the preset ratio is in a range of 25%-35%.
8. The light source module of claim 7 , wherein the spectral intensity of the light rays emitted by the first light emitting body in the range of 485-590 nm is at least 32.5% of the spectral intensity of the second wave peak.
9. The light source module of claim 1 , wherein a spectral half-width of the second wave peak of the light rays emitted by the second light emitting body is in a range of 80-100 nm or in a range of 110-130 nm.
10. The light source module of claim 9 , wherein the spectral half-width of the second wave peak of the light rays emitted by the second light emitting body is in a range of 110-116 nm.
11. The light source module of claim 1 , wherein, in a case where the light source module comprises the first light emitting body and the third light emitting body, spectral energy output by the first light emitting body is not less than 30% of maximum spectral energy which can be output by the first light emitting body, and spectral energy output by the third light emitting body is not less than 30% of maximum spectral energy which can be output by the third light emitting body.
12. The light source module of claim 1 , wherein, in a case where the light source module comprises the third light emitting body and the second light emitting body, spectral energy output by the third light emitting body is not less than 30 % of maximum spectral energy which can be output by the third light emitting body, and spectral energy output by the second light emitting body is not less than 30 % of maximum spectral energy which can be output by the second light emitting body.
13. The light source module of claim 1 , wherein the light rays emitted by the first light emitting body have the first wave peak with the wavelength in a range of 445-455 nm and the second wave peak with the wavelength in a range of 630-640 nm.
14. The light source module of claim 1 , wherein the spectral intensity of the first wave peak of the light rays emitted by the first light emitting body is in a range of 77.1%-87.1% of the spectral intensity of the second wave peak.
15. The light source module of claim 1 , wherein a chromaticity distortion the light rays emitted by the first light emitting body is in a range of −0.006-0.002.
16. The light source module of claim 1 , wherein the light rays emitted by the first light emitting have a color temperature in a range of 3347-3747 K, and a color rendering index (CRI) in a range of 90-99.7.
17. The light source module of claim 1 , wherein the light rays emitted by the first light emitting body have an illuminance in a range of 100-1000 lux.
18. The light source module of claim 1 , wherein the light rays emitted by the second light emitting body have the first wave peak with the wavelength in a range of 445-455 nm, the second wave peak with the wavelength in a range of 535-545 nm, and the third wave peak with the wavelength in a range of 630-640 nm.
19. An illumination device, comprising:
a housing;
a light source module;
a base body of the light source module being installed to the housing; and
a power module electrically connected to the light source module to provide power required by working for the light source module, wherein the light source module comprises a first light emitting body, a second light emitting body, and a third light emitting body;
wherein:
the first light emitting body is configured to emit light rays having a first wave peak with a wavelength in a range of 435-465 nm and a second wave peak with a wavelength in a range of 620-650 nm, wherein a spectral intensity of the first wave peak is 70-90% of a spectral intensity of the second wave peak, and a first condition is conformed in an International Commission on Illumination (CIE) 1931 color coordinate system that an abscissa X is in a range of 0.389-0.419, and an ordinate Y is in a range of 0.371-0.401;
the second light emitting body is configured to emit light rays having a first wave peak with a wavelength in a range of 435-465 nm, a second wave peak with a wavelength in a range of 525-555 nm, and a third wave peak with a wavelength in a range of 620-650 nm, wherein a spectral intensity of the second wave peak is 25-45% of a spectral intensity of the first wave peak, and a spectral intensity of the third wave peak is 20-40% of the spectral intensity of the first wave peak, and a second condition is conformed in the CIE 1931 color coordinate system that an abscissa X is in a range of 0.280-0.310, and an ordinate Y is in a range of 0.284-0.314;
the third light emitting body is configured to emit light rays having a first wave peak with a wavelength in a range of 435-465 nm, a second wave peak with a wavelength in a range of 525-555 nm, and a third wave peak with a wavelength in a range of 620-650 nm, wherein a spectral intensity of the second wave peak is 45-65% of a spectral intensity of the first wave peak, and a spectral intensity of the third wave peak is 40-60% of the spectral intensity of the first wave peak, and a third condition is conformed in the CIE 1931 color coordinate system that an abscissa X is in a range of 0.331-0.361, and an ordinate Y is in a range of 0.331-0.361; and the first light emitting body, the second light emitting body, and the third light emitting body are configured such that color discrimination recognized by an eye is improved.
20. A method of manufacturing a light source module comprising:
providing a first light emitting body, a second light emitting body, and a third light emitting body;
configuring the first light emitting body to emit light rays having a first wave peak with a wavelength in a range of 435-465 nm and a second wave peak with a wavelength in a range of 620-650 nm, wherein a spectral intensity of the first wave peak is 70-90% of a spectral intensity of the second wave peak, and a first condition is conformed in an International Commission on Illumination (CIE) 1931 color coordinate system that an abscissa X is in a range of 0.389-0.419, and an ordinate Y is in a range of 0.371-0.401;
configuring the second light emitting body to emit light rays having a first wave peak with a wavelength in a range of 435-465 nm, a second wave peak with a wavelength in a range of 525-555 nm, and a third wave peak with a wavelength in a range of 620-650 nm, wherein a spectral intensity of the second wave peak is 25-45% of a spectral intensity of the first wave peak, and a spectral intensity of the third wave peak is 20-40% of the spectral intensity of the first wave peak, and a second condition is conformed in the CIE 1931 color coordinate system that an abscissa X is in a range of 0.280-0.310, and an ordinate Y is in a range of 0.284-0.314;
configuring the third light emitting body to emit light rays having a first wave peak with a wavelength in a range of 435-465 nm, a second wave peak with a wavelength in a range of 525-555 nm, and a third wave peak with a wavelength in a range of 620-650 nm, wherein a spectral intensity of the second wave peak is 45-65% of a spectral intensity of the first wave peak, and a spectral intensity of the third wave peak is 40-60% of the spectral intensity of the first wave peak, and a third condition is conformed in the CIE 1931 color coordinate system that an abscissa X is in a range of 0.331-0.361, and an ordinate Y is in a range of 0.331-0.361; and
configuring the first light emitting body, the second light emitting body, and the third light emitting body such that color discrimination recognized by an eye is improved.