CN105449081A - Light emitting module - Google Patents

Abstract

The invention provides a light emitting module, which provides better white light color rendering property so as to meet the 'whitening' effect expected by many application occasions. Comprises a (circuit) substrate, at least one ultraviolet emitter and a blue emitter arranged on the substrate; the light wavelength of the ultraviolet light emitter is 380 nm-420 nm, and the light wavelength of the blue light emitter is 440 nm-470 nm. And arranging a wavelength conversion layer which comprises a first wavelength conversion material and a second wavelength conversion material and is used for receiving the light emitted by the ultraviolet light emitter and the blue light emitter, exciting the light of the ultraviolet light emitter to generate visible light, converting the light of the blue light emitter into white light, and obtaining a white total output spectrum after light mixing.

Description

Light emission module

technical field

The invention relates to a structure of a light emitting module; in particular, it refers to a technician of a light emitting system that combines an ultraviolet light emitter and a blue light emitter with a wavelength conversion material to provide white output light.

Background technique

The use of light emitting diodes (Light Emitting Diode, or LED) to form light sources or lighting devices is a prior art and is widely used in many occasions or environments. In the existing technology, in order to obtain white output light and project it on the display environment or commodities, it includes the use of light from blue LEDs to excite yellow phosphors or phosphors to generate white light; the application of red, blue and green LEDs mixed Composition of white light emitting modules and other means.

In order to obtain good white light color rendering or white light display effect, the prior art has also disclosed a blue light-emitting diode with a wavelength range of 440nm-460nm to be provided with a wavelength conversion material (for example, a phosphor with a wavelength of 500nm-780nm or Phosphor), so that the wavelength conversion material converts the light of the blue LED into green to red colored light, mixed with a deep blue light-emitting diode with a light-emitting wavelength range of 400nm to 440nm, and can obtain a "white" white light output effect.

The above technology enables the wavelength conversion material to convert the light of the blue LED into green to red colored light, and combine a deep blue LED to emit a certain amount of wavelength or a short wavelength of dark blue light to obtain white output light; the light of the deep blue LED Only when the wavelength is not converted by the wavelength conversion material, and the light emitted by the deep blue LED is not normal blue, can the whole light-emitting module output "clean white" white light.

A problem related to the structure and application of this type of white light emitting module is that the existing technology cannot adjust the white light display effect or uneven light mixing of the white light emitting module according to product attributes, environmental or application conditions.

Typically, these references show the art of designing related composite structures such as white light emitting modules. If the combined structure of the LED and the wavelength conversion material of the white light emission module is redesigned to make its structure different from that of the existing one, it will be able to change its use pattern and be different from the old method; in essence, it will also improve its performance. Application situation, improve its white light display effect and other functions. Moreover, the situation of uneven light mixing in the prior art is minimized as much as possible. None of these subjects are taught or specifically disclosed in the above references.

Contents of the invention

Therefore, the main purpose of the present invention is to provide a light emitting module that provides a better color rendering of white light, making the waveform of the LED light close to the waveform of the traditional halogen lamp, so as to meet the desired " Show white "" effect.

In order to achieve the above object, the technical scheme adopted in the present invention is:

A light emitting module, characterized in that, comprising:

a substrate;

At least one ultraviolet light emitter and a blue light emitter arranged on the substrate; the light wavelength of the ultraviolet light emitter is 380nm-420nm, and the light wavelength of the blue light emitter is 440nm-470nm;

On the light path of the ultraviolet light emitter and the blue light emitter, a wavelength conversion layer is arranged, and the wavelength conversion layer has a first wavelength conversion material and a second wavelength conversion material; the first wavelength conversion material contains at least one UV fluorescent material, the second The two-wavelength conversion material contains at least one fluorescent material;

The first wavelength conversion material receives and converts the light from the ultraviolet light emitter to produce colored light with a color temperature range of 2000K to 18000K; the second wavelength conversion material receives the light that excites the blue light emitter and converts the light from the blue light emitter to produce a color temperature range of 2000K ～18000K colored light; after light mixing, a total output spectrum of white light is obtained.

In the light emitting module: the ultraviolet emitter is an ultraviolet light emitting diode; the blue light emitter is a blue light emitting diode;

The first wavelength conversion material includes at least one of blue, green, and red UV fluorescent materials; and

The second wavelength converting material includes at least one of yellow, green and red fluorescent materials.

In the light emitting module: the first wavelength conversion material is mixed with the second wavelength conversion material, and is arranged on the ultraviolet light emitter and the blue light emitter, or the wavelength conversion layer is arranged at a height from the ultraviolet light emitter and the blue light emitter Location.

In the light emitting module: the first wavelength conversion material of the wavelength conversion layer forms the first wavelength conversion layer; the second wavelength conversion material forms the second wavelength conversion layer;

The first wavelength conversion layer and the second wavelength conversion layer are laminated into a multilayer structure; and

The first wavelength conversion layer and the second wavelength conversion layer are arranged on the ultraviolet light emitter and the blue light emitter, or the first wavelength conversion layer and the second wavelength conversion layer are arranged at a height distance from the ultraviolet light emitter and the blue light emitter.

In the light emitting module: the first wavelength conversion material of the wavelength conversion layer forms the first wavelength conversion layer; the second wavelength conversion material forms the second wavelength conversion layer;

The first wavelength conversion layer is arranged on the ultraviolet light emitter, or arranged at a height position away from the ultraviolet light emitter;

The second wavelength conversion layer is disposed on the blue light emitter, or at a height distance from the blue light emitter.

In the light emission module: the first wavelength conversion material of the wavelength conversion layer converts the light emitted by the ultraviolet light emitter into colored light; the colored light includes one of white light and green to red visible light, which emits light The wavelength range is 500nm ~ 660nm; and

The second wavelength conversion material converts light from the blue light emitter to a white light output.

In the light emitting module: the first wavelength conversion material of the wavelength conversion layer converts the light emitted by the ultraviolet light emitter into colored light including two wavelength bands of green visible light of 520nm-560nm and red visible light of 610nm-650nm.

In the light emitting module: the ultraviolet light emitter is combined with the first wavelength conversion material, and the blue light emitter is combined with the second wavelength conversion material to jointly obtain a spectrum; and the range of the spectrum is the same as that of the halogen lamp.

In the light emitting module: the substrate is one of a metal substrate, a circuit substrate and a ceramic substrate, and is arranged at the bottom of a light guide;

The light guide is an optical reflective element, including a reflective wall and an opening connecting the reflective wall;

The reflective wall is a reflective layer with reflective material; and

The reflective wall forms a geometric profile structure based on a reference axis.

In the light emitting module: a plurality of arranged ultraviolet light emitters and blue light emitters are arranged on the substrate to form at least one of series and parallel electrical connections, and jointly establish a luminous series of light emitting module.

Compared with prior art, the beneficial effect that the present invention has is:

The light emitting module or its related combination components (for example, ultraviolet light emitter, blue light emitter combination wavelength conversion layer or the light emitted by the ultraviolet light emitter and blue light emitter respectively excite the first wavelength conversion layer containing UV phosphor Material (the first wavelength conversion layer), the second wavelength conversion material (the second wavelength conversion part); with the substrate to set the light guide and other parts) in use, structural design, organizational relationship, etc., have been redesigned to make it It is different from the combination structure of the existing LED and wavelength conversion material, and different from the old method; and it has changed its use type and application range, and also significantly improved its white light display effect, making the existing technology produce mixed light. Unevenness is minimized as much as possible.

In particular, the white light output effect or color rendering provided by the light emission module can obviously improve the situation that the existing technology cannot adjust the white light display effect or the wavelength output range according to the product attributes, environment or application conditions.

Description of drawings

Fig. 1 is a schematic structural view of a light emitting module provided with a combined light guide in the present invention;

Fig. 2 is the partial structural schematic diagram of Fig. 1; Show the structure situation of this ultraviolet light emitter, blue light emitter combined wavelength conversion layer, substrate etc.;

FIG. 2A is a schematic cross-sectional view of an embodiment of the present invention; depicting a structure in which the wavelength conversion layer is arranged at a set height from the ultraviolet light emitter and the blue light emitter;

Fig. 3 is a schematic sectional view of the structure of an embodiment of the present invention; depicts the structure of the ultraviolet light emitter and the blue light emitter respectively provided with wavelength conversion layers;

Fig. 3A is a schematic diagram of the spectrum of the light emitting module of the present invention; it shows the light wavelength output range of the combined wavelength conversion layer of the ultraviolet light emitter and the blue light emitter;

3B is another schematic diagram of the spectrum of the light emitting module of the present invention; it shows the light wavelength output range of the combined wavelength conversion layer of the ultraviolet light emitter and the blue light emitter;

3C is another schematic diagram of the spectrum of the light emitting module of the present invention; depicting the light wavelength output range of the combined wavelength conversion layer of the ultraviolet light emitter and the blue light emitter;

Fig. 3D is another schematic diagram of the spectrum of the light emission module of the present invention; it shows the light wavelength output range of the combined wavelength conversion layer of the ultraviolet light emitter and the blue light emitter;

3E is a schematic diagram of the spectrum of the light emitting module of the present invention; depicting the light wavelength output range of the combined wavelength conversion layer of the ultraviolet light emitter and the blue light emitter and the situation of the halogen lamp spectrum;

Fig. 4 is a schematic structural view of a modified embodiment of the present invention; it shows the structural situation in which the substrate is equipped with a plurality of ultraviolet light emitters and blue light emitters arranged in arrangement;

Fig. 5 is a schematic diagram of a spectrum of the light emitting module of the present invention;

Fig. 6 is a schematic structural view of another modified embodiment of the present invention; depicting the structural situation in which the substrate is configured with a plurality of arranged ultraviolet light emitters, blue light emitters and a plurality of secondary light emitters;

FIG. 7 is a schematic diagram of the spectrum of the embodiment in FIG. 6 .

Description of reference signs: 10 substrate; 20 ultraviolet light emitter; 30 blue light emitter; 40 wavelength conversion layer; 41 first wavelength conversion layer; 42 second wavelength conversion layer; 50 light guide; 51 reflective wall; 52 opening; 53 bottom; 60 pairs of light emitters; A, B, C, D, E, F spectra; χ reference axis.

detailed description

Please refer to FIG. 1 , FIG. 2 and FIG. 3 , the light emitting module of the present invention includes a substrate with a geometrical profile, generally indicated by reference numeral 10 . The substrate 10 selects a conductive and thermally conductive metal substrate (such as a copper substrate, an aluminum substrate, etc.) or a circuit substrate, a ceramic substrate, etc.; the substrate 10 is provided with at least one ultraviolet light emitter 20 and at least one blue light emitter 30. The ultraviolet emitter 20 is selected as an ultraviolet light emitting diode, and the light wavelength range or spectral range is 380nm-420nm; the blue light emitter 30 is selected as a blue light emitting diode, and the light wavelength range or spectral range is 440nm-470nm. And, arrange a wavelength conversion layer 40, in order to receive at least the light emitted by the ultraviolet light emitter 20 and the blue light emitter 30; and, excite the light of the ultraviolet light emitter to generate a visible light, and convert the light of the blue light emitter into white light , after light mixing, a clean and white total output spectrum is obtained.

Please refer to FIG. 1 and FIG. 2 , in the adopted embodiment, the wavelength conversion layer 40 includes a first wavelength conversion material and a second wavelength conversion material. The first wavelength conversion material converts or excites the ultraviolet light emitter 20 to generate a desired visible light (for example, colored light with a color temperature range of 2000K-18000K); the second wavelength conversion material converts or excites the blue light emitter 30 to generate a desired visible light (for example , colored light with a color temperature range of 2000K to 18000K). The wavelength conversion layer 40 includes at least one fluorescent material (for example, fluorescent powder, fluorescent agent or phosphor) and/or a combination of multiple color UV fluorescent materials; for example, green, yellow, red fluorescent powder and the like.

Therefore, the first wavelength conversion material of the wavelength conversion layer 40 includes at least one UV fluorescent material (for example, UV fluorescent powder, UV fluorescent agent or UV phosphor) or a combination of multiple color UV fluorescent materials, which can convert the ultraviolet light emitter The light emitted by 20 is converted into white light or other colored light (for example, visible light such as green to red or colored light with an emission wavelength range of 500nm to 660nm); and, the second wavelength conversion material of the wavelength conversion layer 40 includes at least one fluorescent material, The light emitted by the blue light emitter 30 is converted into white light, so that the entire light emitting module obtains a pure white total output spectrum.

Preferably, the above-mentioned wavelength range of visible light includes two main wavelength bands, namely green visible light of 520nm-560nm and red (orange) visible light of 610nm-650nm.

FIG. 2 depicts a structure in which the first wavelength conversion material of the wavelength conversion layer 40 is mixed with the second wavelength conversion material to set or cover the ultraviolet light emitter 20 and the blue light emitter 30 . It can be understood that the wavelength conversion layer 40 can also be disposed at a predetermined height away from the ultraviolet light emitter 20 and the blue light emitter 30 .

Please refer to FIG. 2A and FIG. 3 , in a feasible embodiment, the first wavelength conversion material of the wavelength conversion layer 40 forms the first wavelength conversion layer 41 ; the second wavelength conversion material forms the second wavelength conversion layer 42 . Fig. 2A shows that the first wavelength conversion layer 41 and the second wavelength conversion layer 42 are stacked into a multi-layer structure, which is arranged at a set height from the ultraviolet light emitter 20 and the blue light emitter 30 (or arranged in the ultraviolet light emitter 20 and blue light emitter 30). light emitter 20 and blue light emitter 30). Fig. 3 shows that the first wavelength conversion layer 41 is arranged on the ultraviolet light emitter 20; The layer 42 is respectively disposed at a set height from the ultraviolet light emitter 20 and the blue light emitter 30).

Therefore, the ultraviolet light emitted by the ultraviolet light emitter 20 excites the UV fluorescent material of the first wavelength conversion layer 41 to generate white light or green-red visible light (eg, colored light with an emission wavelength range of 500nm-660nm). The second wavelength conversion layer 42 mainly includes yellow fluorescent powder; the blue light emitted by the blue light emitter 30 excites the second wavelength conversion layer 42, and the conversion produces white output light; and, the white output light and the above-mentioned ultraviolet light emitter 20, The first wavelength conversion layer 41 converts the generated white light or the mixed output of green-red visible light, so as to establish a light emitting module with better color rendering of white light.

From Fig. 2, Fig. 2A, Fig. 3, it can be understood that the wavelength conversion layer 40 of Fig. 2 can combine at least one fluorescent material with at least one UV fluorescent material; Fig. 2A is the wavelength conversion layer 40 (or the first wavelength conversion layer 41, the second wavelength conversion layer 42) is set to the structure of multiple layers or at least two layers; Fig. 3 is that the first wavelength conversion layer 41, the second wavelength conversion layer 42 are respectively arranged on the ultraviolet light emitter 20, the blue light emitter 30 on the structure.

FIG. 3A depicts the situation where the first wavelength conversion material or the first wavelength conversion layer 41 is applied with a blue UV fluorescent material; the horizontal axis is the wavelength (nm), and the vertical axis is the intensity. Spectrum A in the figure shows the light wavelength output range of the blue light emitter 30 combined with the second wavelength conversion layer 42; Spectrum B shows the light wavelength output of the ultraviolet light emitter 20 combined with the first wavelength conversion material or the first wavelength conversion layer 41 scope. Therefore, the ultraviolet light emitter 20 and the first wavelength converting material (or the first wavelength converting layer 41 ) increase the blue light output.

FIG. 3B depicts the situation where the first wavelength conversion material or the first wavelength conversion layer 41 is applied with a green UV fluorescent material. Spectrum A in the figure shows the light wavelength output range of the blue light emitter 30 combined with the second wavelength conversion layer 42; spectrum C shows the light wavelength output of the ultraviolet light emitter 20 combined with the first wavelength conversion material or the first wavelength conversion layer 41 scope. Therefore, the ultraviolet light emitter 20 and the first wavelength converting material (or the first wavelength converting layer 41 ) increase the green light output.

FIG. 3C depicts the situation where the first wavelength conversion material or the first wavelength conversion layer 41 is applied with a red UV fluorescent material. Spectrum A in the figure shows the light wavelength output range of the blue light emitter 30 combined with the second wavelength conversion layer 42; spectrum D shows the light wavelength output of the ultraviolet light emitter 20 combined with the first wavelength conversion material or the first wavelength conversion layer 41 scope. Therefore, the ultraviolet light emitter 20 and the first wavelength converting material (or the first wavelength converting layer 41 ) increase the red light output.

FIG. 3D depicts the situation that the first wavelength converting material or the first wavelength converting layer 41 contains blue UV fluorescent material, green UV fluorescent material and red UV fluorescent material. Spectrum A in the figure shows the light wavelength output range of the blue light emitter 30 combined with the second wavelength conversion layer 42; Spectrum B shows the blue light that the light of the ultraviolet light emitter 20 excites the first wavelength conversion material or the first wavelength conversion layer 41 The blue light wavelength output range of the UV fluorescent material; Spectrum C shows the green wavelength output range of the first wavelength conversion material or the green UV fluorescent material of the first wavelength conversion layer 41 excited by the light of the ultraviolet light emitter 20; Spectrum D shows The light from the ultraviolet light emitter 20 excites the red light output range of the first wavelength conversion material or the red UV fluorescent material of the first wavelength conversion layer 41 .

Please refer to FIG. 3E , the above spectrums A, B, C, and D jointly obtain the light wavelength output range of spectrum E. The figure also shows that the range of the spectrum E is close to the range of the spectrum F of the halogen lamp; therefore, it can be understood that the above-mentioned application of the ultraviolet light emitter 20 and the blue light emitter 30 in combination with the wavelength conversion layer 40 (for example, the first wavelength conversion material, the second wavelength conversion material) The two wavelength conversion materials (or the first wavelength conversion layer 41 and the second wavelength conversion layer 42) can obtain the white light display effect of a halogen lamp, which is obviously better than the white light output effect of the prior art.

Referring to Fig. 1, Fig. 2 and Fig. 3, it is shown that this substrate 10 is arranged on the bottom 53 of a light guide 50; Opening 52 (or light exit aperture). The reflective wall 51 is a reflective layer with reflective material; for example, a reflective layer on a metal surface or other materials can be selected to form a organizational structure with a reflective effect. And, the reflective wall 51 is based on a reference axis x, forming a bowl-shaped profile, a parabolic profile or other geometric profiles.

In a feasible embodiment, the wavelength conversion layer 40 can be disposed at a predetermined height from the ultraviolet light emitter 20 and/or the blue light emitter 30 ; for example, at the opening 52 of the light guide 50 .

Please refer to FIG. 4 , a plurality of ultraviolet light emitters 20 and blue light emitters 30 are arranged on the substrate 10 to form a series and/or parallel electrical connection, and jointly establish a light emission module that emits light in series; The arrangement ratio of the light emitter 20 and the blue light emitter 30 is 1:2. FIG. 5 shows the spectral diagram output by the light emitting module; that is to say, after testing, the embodiment can make the color rendering index (CRI) of the entire light emitting module reach 80.

Please refer to FIG. 6 , in a modified embodiment, a plurality of ultraviolet light emitters 20 , a blue light emitter 30 and a plurality of secondary light emitters 60 are arranged on the substrate 10 to form a series electrical connection, and A series of light emission modules are jointly established. The auxiliary light emitter 60 selects a red light emitting diode (or green light emitting diode, blue light emitting diode), and the range or spectral range of light wavelength is 610nm～650nm (or 500nm～580nm, 450nm～500nm), so that the whole light emission The color rendering of the module is improved as much as possible, and the effect of white objects showing the original color is increased; for example, the situation depicted in the spectrogram of Figure 7. That is to say, the embodiment disclosed in FIG. 6 can make the color rendering index of the entire light emitting module reach 90.

It can be understood that, the auxiliary light emitter 60 may include a combination of red light emitting diodes, green light emitting diodes, and blue light emitting diodes, which are mixed to form white light output. The secondary light emitter 60 can also be combined with the wavelength conversion layer 40 so that the wavelength conversion layer 40 receives the light emitted by the secondary light emitter 60 and converts it into white light or green-red visible light.

In a derivative embodiment, it is assumed that only (plural) ultraviolet light emitters 20 are arranged on the substrate 10, and the wavelength conversion layer 40 is made to contain at least three kinds of UV fluorescent materials (or UV fluorescent powder, UV fluorescent agent, UV phosphorescent Body, etc.); UV fluorescent materials can choose red light, green light, blue light UV phosphor, etc. The light emitted by the ultraviolet emitter 20 excites the red, green, and blue fluorescent materials of the wavelength conversion layer 40 respectively, converts them into red, green, and blue light, and mixes them to form white light output.

In the above derivative embodiments, it is assumed that the wavelength conversion layer 40 is arranged or coated on several ultraviolet light emitters 20, and other ultraviolet light emitters 20 are not combined with the wavelength conversion layer 40, but directly emit ultraviolet light; Combining the ultraviolet light emitter 20 provided with the wavelength conversion layer 40 will excite the white light formed by red light, green light and blue light; the white light will be mixed with the ultraviolet light emitted by the other ultraviolet light emitters 20 above. output.

Typically, this light emitting module includes the following advantages and considerations compared with the old method under the condition of providing white light output effect:

The light emitting module or its related combination components (for example, the ultraviolet light emitter 20, the blue light emitter 30 combined with the wavelength conversion layer 40 or the light emitted by the ultraviolet light emitter 20 and the blue light emitter 30 respectively excite the UV fluorescent powder containing The first wavelength conversion material (the first wavelength conversion layer 41), the second wavelength conversion material (the second wavelength conversion part 42); cooperate with the substrate 10 to set the light guide 10 and other parts) in use and structural design, organizational relationship, etc. , has been redesigned to make it different from the existing combined structure of LED and wavelength conversion material, and different from the old method; and, it has changed its use type and application range, and also significantly improved its white light display The effect is to minimize the unevenness of mixed light in the prior art as much as possible.

In particular, from the above-mentioned Figures 3A to 3E, it can be understood that the white light output effect or color rendering provided by the light emitting module can obviously improve the existing technology, which cannot adjust the white light display effect or wavelength output according to product attributes, environment or application conditions. range of circumstances.

Therefore, the present invention provides an effective light emitting module, whose technical features are different from those of the existing ones, and have advantages that cannot be compared with those of the old methods. .

The above description is only illustrative of the present invention, rather than restrictive. Those of ordinary skill in the art understand that many modifications, changes or equivalents can be made without departing from the spirit and scope defined in the claims, but All will fall within the protection scope of the present invention.

Claims (22)

1. A light emitting module, characterized in that, comprising: a substrate; At least one ultraviolet light emitter and a blue light emitter arranged on the substrate; the light wavelength of the ultraviolet light emitter is 380nm-420nm, and the light wavelength of the blue light emitter is 440nm-470nm; On the light path of the ultraviolet light emitter and the blue light emitter, a wavelength conversion layer is arranged, and the wavelength conversion layer has a first wavelength conversion material and a second wavelength conversion material; the first wavelength conversion material contains at least one UV fluorescent material, the second The two-wavelength conversion material contains at least one fluorescent material; The first wavelength conversion material receives and converts the light from the ultraviolet light emitter to produce colored light with a color temperature range of 2000K to 18000K; the second wavelength conversion material receives the light that excites the blue light emitter and converts the light from the blue light emitter to produce a color temperature range of 2000K ～18000K colored light; after light mixing, a total output spectrum of white light is obtained. 2. The light emitting module according to claim 1, characterized in that: the ultraviolet emitter is an ultraviolet light emitting diode; the blue light emitter is a blue light emitting diode; The first wavelength conversion material includes at least one of blue, green, and red UV fluorescent materials; and The second wavelength converting material includes at least one of yellow, green and red fluorescent materials. 3. The light emitting module according to claim 1 or 2, characterized in that: the first wavelength conversion material is mixed with the second wavelength conversion material, and is arranged on the ultraviolet light emitter or the blue light emitter, or the wavelength conversion layer is arranged on One height away from the ultraviolet light emitter and the blue light emitter. 4. The light emitting module according to claim 1 or 2, characterized in that: the first wavelength conversion material of the wavelength conversion layer forms the first wavelength conversion layer; the second wavelength conversion material forms the second wavelength conversion layer; The first wavelength conversion layer and the second wavelength conversion layer are laminated into a multilayer structure; and The first wavelength conversion layer and the second wavelength conversion layer are arranged on the ultraviolet light emitter and the blue light emitter, or the first wavelength conversion layer and the second wavelength conversion layer are arranged at a height distance from the ultraviolet light emitter and the blue light emitter. 5. The light emitting module according to claim 1 or 2, characterized in that: the first wavelength conversion material of the wavelength conversion layer forms the first wavelength conversion layer; the second wavelength conversion material forms the second wavelength conversion layer; The first wavelength conversion layer is arranged on the ultraviolet light emitter, or arranged at a height position away from the ultraviolet light emitter; The second wavelength conversion layer is disposed on the blue light emitter, or at a height distance from the blue light emitter. 6. The light emission module according to claim 1 or 2, characterized in that: the first wavelength conversion material of the wavelength conversion layer converts the light emitted by the ultraviolet light emitter into colored light; the colored light includes white light, One of the visible light from green to red, the emission wavelength range is 500nm～660nm; and The second wavelength conversion material converts light from the blue light emitter to a white light output. 7. The light emission module according to claim 3, characterized in that: the first wavelength conversion material of the wavelength conversion layer converts the light emitted by the ultraviolet light emitter into colored light; the colored light includes white light, green to One of the red visible light, the emission wavelength range is 500nm ~ 660nm; and The second wavelength conversion material converts light from the blue light emitter to a white light output. 8. The light emission module according to claim 4, characterized in that: the first wavelength conversion material of the wavelength conversion layer converts the light emitted by the ultraviolet light emitter into colored light; the colored light includes white light, green to One of the red visible light, the emission wavelength range is 500nm ~ 660nm; and The second wavelength conversion material converts light from the blue light emitter to a white light output. 9. The light emitting module according to claim 5, characterized in that: the first wavelength conversion material of the wavelength conversion layer converts the light emitted by the ultraviolet light emitter into colored light; the colored light includes white light, green to One of the red visible light, the emission wavelength range is 500nm ~ 660nm; and The second wavelength conversion material converts light from the blue light emitter to a white light output. 10. The light emission module according to claim 1 or 2, characterized in that: the first wavelength conversion material of the wavelength conversion layer converts the light emitted by the ultraviolet light emitter into colored light including green visible light of 520nm-560nm And two bands of red visible light from 610nm to 650nm. 11. The light emission module according to claim 3, characterized in that: the first wavelength conversion material of the wavelength conversion layer converts the light emitted by the ultraviolet light emitter into colored light including green visible light of 520nm to 560nm and 610nm ~650nm red and visible light two bands. 12. The light emission module according to claim 4, characterized in that: the first wavelength conversion material of the wavelength conversion layer converts the light emitted by the ultraviolet light emitter into colored light including green visible light of 520nm to 560nm and 610nm ~650nm red and visible light two bands. 13. The light emitting module according to claim 5, characterized in that: the first wavelength conversion material of the wavelength conversion layer converts the light emitted by the ultraviolet light emitter into colored light including green visible light of 520nm to 560nm and 610nm ~650nm red and visible light two bands. 14. The light emitting module according to claim 1 or 2, characterized in that: the ultraviolet light emitter is combined with a first wavelength conversion material, and the blue light emitter is combined with a second wavelength conversion material to jointly obtain a spectrum; and the spectrum The range is the same as the spectral range of halogen lamps. 15. The light emitting module according to claim 3, characterized in that: the ultraviolet light emitter is combined with the first wavelength conversion material, and the blue light emitter is combined with the second wavelength conversion material to jointly obtain a spectrum; and the range of the spectrum Same spectral range as halogen lamps. 16. The light emitting module according to claim 4, characterized in that: the ultraviolet light emitter is combined with the first wavelength conversion material, and the blue light emitter is combined with the second wavelength conversion material to jointly obtain a spectrum; and the range of the spectrum Same spectral range as halogen lamps. 17. The light emitting module according to claim 5, characterized in that: the ultraviolet light emitter is combined with the first wavelength conversion material, and the blue light emitter is combined with the second wavelength conversion material to jointly obtain a spectrum; and the range of the spectrum Same spectral range as halogen lamps. 18. The light emitting module according to claim 1 or 2, wherein the substrate is one of a metal substrate, a circuit substrate and a ceramic substrate, and is arranged at the bottom of a light guide; The light guide is an optical reflective element, including a reflective wall and an opening connecting the reflective wall; The reflective wall is a reflective layer with reflective material; and The reflective wall forms a geometric profile structure based on a reference axis. 19. The light emitting module according to claim 1 or 2, characterized in that: the substrate is provided with a plurality of arranged ultraviolet light emitters and blue light emitters, forming at least one of series and parallel electrical connections, And jointly build a light-emitting series of light-emitting modules. 20. The light emitting module according to claim 3, characterized in that: a plurality of arranged ultraviolet light emitters and blue light emitters are arranged on the substrate to form at least one of series and parallel electrical connections, and A series of light emission modules are jointly established. 21. The light emitting module according to claim 4, characterized in that: a plurality of arranged ultraviolet light emitters and blue light emitters are arranged on the substrate to form at least one of series and parallel electrical connections, and A series of light emission modules are jointly established. 22. The light emitting module according to claim 5, characterized in that: a plurality of arranged ultraviolet light emitters and blue light emitters are arranged on the substrate to form at least one of series and parallel electrical connections, and A series of light emission modules are jointly established.