CN219809811U

CN219809811U - Lighting assembly and lighting device

Info

Publication number: CN219809811U
Application number: CN202320918534.7U
Authority: CN
Inventors: 张权; 李矗
Original assignee: YLX Inc
Current assignee: YLX Inc
Priority date: 2023-04-13
Filing date: 2023-04-13
Publication date: 2023-10-10
Anticipated expiration: 2033-04-13

Abstract

The utility model discloses a lighting assembly and a lighting device, wherein the lighting assembly comprises a light source assembly, a first collecting assembly, a first diffusion sheet, a light splitting assembly, a color wheel assembly, a reflecting assembly, a second collecting assembly and an adjusting assembly, wherein the light source assembly is used for generating excitation light; the light splitting component is used for transmitting the first light emitted by the first diffusion sheet and reflecting the second light emitted by the first diffusion sheet; the color wheel component is arranged on the light path of the first light and used for generating laser based on the first light; the reflecting component is used for reflecting the second light, and the light splitting component transmits the second light; the adjusting component is used for adjusting the duty ratio of the second light in the mixed light. The duty ratio of the second light in the mixed light is adjusted through the adjusting component, namely the duty ratio of the blue light in the mixed light is adjusted, so that the color temperature consistency of the output mixed light is adjusted, the application scene of the lighting component is improved, the implementation is easy, and the cost is reduced.

Description

Lighting assembly and lighting device

Technical Field

The utility model relates to the technical field of optics, in particular to a lighting assembly and a lighting device.

Background

As the related technology of laser light sources is mature and the cost is lower, the related technology is gradually applied to the lighting industry. However, at present, when the laser light source is applied to a high-end beam lamp or a three-in-one pattern lamp, the consistency of the color temperature of the laser light source is difficult to realize, the blue light part of the laser light source greatly affects the color temperature of a system, and the traditional color temperature adjusting method requires the system to have a complex structure, so that the cost is too high.

Disclosure of Invention

In view of the above, the present utility model provides a lighting assembly and a lighting device to solve the above-mentioned problems.

The present utility model provides a lighting assembly comprising: a light source assembly for generating excitation light; the first collecting assembly and the first diffusion sheet are sequentially arranged on the light path of the excitation light, the first collecting assembly is used for collecting the excitation light, and the first diffusion sheet is used for adjusting the divergence angle of the excitation light emitted by the first collecting assembly; the light splitting assembly is used for transmitting the light emitted by the first diffusion sheet to form first light, and the first light is used for exciting fluorescence; reflecting the light emitted by the first diffusion sheet to form second light; the color wheel assembly is arranged on the light path of the first light, the first light excites fluorescence on the color wheel assembly to generate laser, and the laser is reflected by the light splitting assembly; a reflection assembly for reflecting the second light, the light splitting assembly transmitting the second light; a second collection assembly receiving the second light and the laser light for mixing the second light and the laser light into mixed light; and the adjusting component is used for adjusting the duty ratio of the second light in the mixed light.

The lighting device comprises a second diffusion sheet, a third collecting assembly and a fourth collecting assembly, wherein the third collecting assembly and the second diffusion sheet are sequentially arranged between the reflecting assembly and the light splitting assembly, and the fourth collecting assembly is arranged between the light splitting assembly and the color wheel assembly.

The light splitting assembly comprises a first light splitting sheet and a second light splitting sheet, and the adjusting assembly is used for adjusting the reflectivity of the first light splitting sheet and/or the second light splitting sheet.

Wherein the positions of the first beam splitter and the second beam splitter can be moved.

The adjusting component comprises an optical film, and the optical film is arranged on at least one of the light splitting component, the second diffusion sheet, the fourth collecting component and the second collecting component.

The film plating mode of the optical film comprises integral film plating, strip-shaped branch film plating and hole digging film plating.

Wherein the adjustment assembly comprises a first polarizer disposed between the second diffuser and the third collection assembly for controlling the second light output.

Wherein the adjustment assembly comprises a second polarizer disposed between the first diffuser and the first collection assembly for controlling the second light output.

The adjusting component comprises an optical filter, and the optical filter is arranged on the light emitting side of the second collecting component.

The utility model also provides a lighting device comprising the lighting assembly.

The illumination assembly comprises a light source assembly, a first collecting assembly, a first diffusion sheet, a light splitting assembly, a color wheel assembly, a reflecting assembly, a second collecting assembly and an adjusting assembly, wherein the light source assembly is used for generating excitation light; the first collecting assembly and the first diffusion sheet are sequentially arranged on the light path of the excitation light, the first collecting assembly is used for collecting the excitation light, and the first diffusion sheet is used for adjusting the divergence angle of the excitation light emitted by the first collecting assembly; the light splitting component is used for transmitting the first light emitted by the first diffusion sheet and reflecting the second light emitted by the first diffusion sheet; the color wheel assembly is arranged on the light path of the first light, the first light excites fluorescence on the color wheel assembly to generate laser, and the laser is reflected by the light splitting assembly; a reflection assembly for reflecting the second light, the light splitting assembly transmitting the second light; a second collection assembly receiving the second light and the laser for mixing the second light and the laser; the adjusting component is used for adjusting the duty ratio of the second light in the mixed light. The duty ratio of the second light in the mixed light is adjusted through the adjusting component, namely the duty ratio of the blue light in the mixed light is adjusted, so that the color temperature consistency of the output mixed light is adjusted, the application scene of the lighting component is improved, the implementation is easy, and the cost is reduced.

Drawings

The utility model will be further described with reference to the accompanying drawings and embodiments, in which:

FIG. 1 is an optical path schematic diagram of a first embodiment of an illumination assembly of an embodiment of the present disclosure;

FIG. 2 is an optical path schematic diagram of a second embodiment of an illumination assembly of an embodiment of the present disclosure;

FIG. 3 is an optical path schematic diagram of a third embodiment of an illumination assembly of an embodiment of the present disclosure;

FIG. 4 is a schematic illustration of a first embodiment of a coating scheme of an illumination assembly according to an embodiment of the present disclosure;

FIG. 5 is a schematic illustration of a second embodiment of a coating scheme of an illumination assembly according to an embodiment of the present disclosure;

FIG. 6 is an optical path schematic diagram of a fourth embodiment of an illumination assembly of an embodiment of the present disclosure;

FIG. 7 is an optical path schematic diagram of a fifth embodiment of an illumination assembly of an embodiment of the present disclosure;

FIG. 8 is an optical path schematic diagram of a sixth embodiment of an illumination assembly of an embodiment of the present disclosure;

FIG. 9 is an optical path schematic diagram of a seventh embodiment of an illumination assembly of an embodiment of the present disclosure;

fig. 10 is a schematic frame diagram of a first embodiment of a lighting device according to an embodiment of the present utility model.

Detailed Description

The following describes embodiments of the present utility model in detail with reference to the drawings.

In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, interfaces, techniques, etc., in order to provide a thorough understanding of the present utility model.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

The term "and/or" in the present utility model is merely an association relation describing the association object, and indicates that three kinds of relations may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship. Further, "a plurality" herein means two or more than two. In addition, the term "at least one" herein means any one of a plurality or any combination of at least two of a plurality, for example, including at least one of A, B, C, and may mean including any one or more elements selected from the group consisting of A, B and C. Furthermore, the terms "first," "second," and "third" in this disclosure are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the technical scheme of the present utility model will be further described in detail with reference to the accompanying drawings and the detailed description.

The color temperature consistency of the existing laser light source is difficult to realize because the color temperature of the lighting component is greatly affected by the narrow wavelength of the blue laser light source, and the traditional mode of regulating the color temperature requires that the laser light source system has complicated structure and high cost, so that the application range of the blue laser light source is limited, and the blue laser light source is difficult to be applied to products with high requirements on the color temperature consistency of the light source, such as high-end beam lamps or three-in-one pattern lamps.

In order to solve the above-mentioned technical problems, the present utility model provides a lighting assembly, please refer to fig. 1, fig. 1 is a schematic view of an optical path of a first embodiment of a lighting assembly according to an embodiment of the present utility model.

The illumination assembly 100 of the present embodiment includes a light source assembly 10, a first collecting assembly 11, a first diffusion sheet 12, a light splitting assembly 13, a color wheel assembly 14, a reflecting assembly 15, a second collecting assembly 16, and an adjusting assembly.

The light source assembly 10 is used for generating excitation light, and the light source assembly 10 can comprise a blue laser, for example, the blue laser is a blue laser diode, a helium-cadmium laser, a neodymium-doped laser, or the like.

The first collecting assembly 11 and the first diffusion sheet 12 are sequentially disposed on the light path of the excitation light, that is, the first collecting assembly 11 is used for collecting the excitation light emitted by the light source assembly 10, and the divergence angle of the emitted light is adjusted by the first diffusion sheet 12. Wherein the first collecting component 11 comprises a convex lens or a combination of optical elements capable of converging light. The light splitting component 13 transmits the light emitted by the first diffusion sheet 12 to form first light, and the first light is used for exciting fluorescence; the light splitting assembly 13 reflects the light emitted from the first diffusion sheet 12 to form second light, wherein the light splitting assembly 13 includes a light splitting sheet, a dichroic mirror, a prism, a grating, or other optical element combination with a light splitting effect, and the like.

The color wheel assembly 14 is arranged on a light path of the first light, the first light excites fluorescence on the color wheel assembly to generate laser, and the laser is reflected by the light splitting assembly 13; the color wheel assembly 14 includes, among other things, a conventional phosphor color wheel arrangement. Specifically, after the first light is blue light and enters the color wheel assembly 14, the emitted laser light is yellow light, and the yellow light is reflected by the light splitting assembly 13 and enters the second collecting assembly 16, and the light splitting assembly 13 comprises a blue-transmitting and yellow-reflecting mirror.

The reflecting component 15 is disposed on the optical path of the second light, and is configured to reflect the second light, and the reflected second light passes through the light splitting component 13 and enters the second collecting component 16.

Optionally, the reflecting component 15 includes an optical element or a combination of optical elements having a light reflecting function, such as a plane mirror, a roof prism, and a reflective ceramic plate.

Alternatively, the reflecting component 15 may be an optical element or a combination of optical elements that change the divergence angle of the light beam in order to adapt the divergence angle of the fluorescent lasing light.

Wherein the second collection assembly 16 receives the second light and the lasing light and mixes the second light and the lasing light into a mixed light. Alternatively, the second light is blue light, the lasing light is yellow light, and the mixed light is white light. Wherein the second collection assembly 16 comprises a convex lens or a combination of optical elements capable of converging light.

The adjusting component is used for adjusting the duty ratio of the second light in the mixed light. Optionally, the adjusting component is used for adjusting the duty ratio of the blue light in the mixed white light so as to achieve the purpose of adjusting the consistency of the color temperature of the output mixed light.

Alternatively, the adjusting component can be combined with the other components or used independently to achieve the purpose of adjusting and controlling the blue light duty ratio.

The lighting assembly 100 of this embodiment includes a light source assembly 10, a first collecting assembly 11, a first diffusion sheet 12, a light splitting assembly 13, a color wheel assembly 14, a reflecting assembly 15, a second collecting assembly 16, and an adjusting assembly, where the adjusting assembly is used to adjust the duty ratio of the second light in the mixed light, that is, adjust the duty ratio of the blue light in the mixed light, and further adjust the consistency of color temperature of the output mixed light, so as to improve the application scenario of the lighting assembly, be easy to implement, and reduce the cost.

Optionally, as shown in fig. 1, the lighting assembly 100 of the present embodiment further includes a second diffusion sheet 17, a third collecting assembly 18, and a fourth collecting assembly 19, where the third collecting assembly 18 and the second diffusion sheet 17 are sequentially disposed between the reflecting assembly 15 and the light splitting assembly 13; the fourth collection assembly 19 is disposed between the light splitting assembly 13 and the color wheel assembly 14. Wherein the third collection assembly 18 and the fourth collection assembly 19 comprise a convex lens or a combination of optical elements capable of converging light; the second diffusion sheet 17 is structurally identical to the first diffusion sheet 12 for adjusting the divergence angle of the second light.

Alternatively, the second diffuser 17 may be eliminated when the reflective component 15 is an optical element or combination of optical elements that change the angle of beam divergence.

Referring to fig. 2, fig. 2 is a schematic view of an optical path of a second embodiment of the illumination assembly according to an embodiment of the present utility model. The lighting assembly 100 of the present embodiment is described on the basis of the lighting assembly 100 disclosed in the first embodiment.

The light splitting assembly 13 includes a first light splitting sheet 131 and a second light splitting sheet 132, wherein the first light splitting sheet 131 is located at a side where the excitation light is incident, and the second light splitting sheet 132 is located at a side where the excitation light is incident. Specifically, the first light-splitting sheet 131 is configured to reflect the second light, and transmit the first light, that is, partially reflect and partially transmit the excitation light (e.g., blue light); the second dichroic sheet 132 transmits the first light, reflects the lasing light, i.e., transmits the excitation light, and reflects the lasing light (e.g., reflects yellow light and transmits blue light).

The adjusting component acts on the light splitting component 13 to adjust the reflectivity of the first light splitting sheet 131 and/or the second light splitting sheet 132, so as to adjust the duty ratio of the second light in the mixed light.

Optionally, the adjusting component is configured to adjust the reflectivity of the first light splitting piece 131, so that the reflectivity of the first light splitting piece 131 for the excitation light (such as blue light) increases, the excitation light emitted by the light source component 10 is collected by the first collecting component 11, after the divergence angle is adjusted by the first diffusing piece 12, the second light proportion reflected by the light splitting component 13 increases, the first light proportion transmitted by the light splitting component 13 decreases, after the second light passes through the second diffusing piece 17 and the third collecting component 18, the second light is reflected by the reflecting component 15, and then passes through the second diffusing piece 17, the third collecting component 18 and the light splitting component 13 again, and then enters the second collecting component 16. The first light enters the color wheel assembly 14 to generate laser light after passing through the fourth collecting assembly 19, the laser light returns through the fourth collecting assembly 19, the second light enters the second collecting assembly 16 after being reflected by the light splitting assembly 13, and the second collecting assembly 16 receives and mixes the second light and the laser light. Wherein, since the first light duty ratio transmitted by the light splitting component 13 is reduced, the duty ratio of the second light in the mixed light is increased, and the color temperature consistency of the output mixed light is further adjusted.

Optionally, the adjusting component is used for the first light splitting sheet 131, so that when the reflectivity of the first light splitting sheet 131 for the excitation light (blue light) is reduced, the duty ratio of the second light in the mixed light is reduced, and the color temperature consistency of the output mixed light is adjusted.

Optionally, the adjusting component is configured to adjust the reflectivity of the second light splitting component 132, so that the reflectivity of the second light splitting component 132 for the laser light (e.g. yellow light) increases, and then the excitation light emitted by the light source component 10 is collected by the first collecting component 11, the divergence angle is adjusted by the first diffusion piece 12, the second light reflected by the light splitting component 13 passes through the second diffusion piece 17 and the third collecting component 18, then is reflected by the reflecting component 15, and then passes through the second diffusion piece 17, the third collecting component 18 and the light splitting component 13 again to enter the second collecting component 16. The first light transmitted by the light splitting component 13 enters the color wheel component 14 to generate laser light after passing through the fourth collecting component 19, the laser light returns through the fourth collecting component 19, the laser light enters the second collecting component 16 after being reflected by the light splitting component 13, the reflected part of the laser light is increased, and the second collecting component 16 receives and mixes the second light and the laser light. Wherein, because the part reflected by the laser increases, the duty ratio of the second light in the mixed light decreases, and the color temperature consistency of the output mixed light is adjusted.

Optionally, the adjusting component is configured to adjust the reflectivity of the second light splitting component 132, so that when the reflectivity of the second light splitting component 132 for the laser light (yellow light) is reduced, the duty ratio of the second light in the mixed light is increased, and thus the color temperature uniformity of the output mixed light is adjusted.

Optionally, the adjusting component is configured to adjust the reflectances of the first light splitting sheet 131 and the second light splitting sheet 132, so that the reflectances of the first light splitting sheet 131 for the excitation light (blue light) are reduced, the reflectances of the second light splitting sheet 132 for the laser light (yellow light) are increased, and the duty ratio of the second light in the mixed light is reduced, so as to adjust the color temperature consistency of the output mixed light.

Optionally, the adjusting component is configured to adjust the reflectances of the first light splitting sheet 131 and the second light splitting sheet 132, so that the reflectances of the first light splitting sheet 131 for the excitation light (blue light) are increased, the reflectances of the second light splitting sheet 132 for the laser light (yellow light) are reduced, and the duty ratio of the second light in the mixed light is increased, so as to adjust the color temperature consistency of the output mixed light.

Wherein the positions of the first light splitting sheet 131 and the second light splitting sheet 132 can be moved. Optionally, as shown in fig. 2, the moving direction may be an X direction and/or a Y direction, and the light splitting sheet is moved to different positions, so that the transmittance of the second light or the first light in the light path is different, and thus the duty ratio of the second light in the mixed light is adjusted, and accurate color temperature adjustment is realized. The illumination assembly 100 of the present embodiment includes a light source assembly 10, a first collecting assembly 11, a first diffusion sheet 12, a light splitting assembly 13, a color wheel assembly 14, a reflecting assembly 15, a second collecting assembly 16, and an adjusting assembly, and the light splitting assembly 13 includes a first light splitting sheet 131 and a second light splitting sheet 132. The adjusting component acts on the light splitting component 13 to adjust the reflectivity of the first light splitting piece 131 and/or the second light splitting piece 132, so as to adjust the duty ratio of the second light in the mixed light, that is, adjust the duty ratio of the blue light in the mixed light, and further adjust the consistency of the color temperature of the output mixed light, thereby improving the application scene of the lighting component, being easy to implement and reducing the cost.

Referring to fig. 3, fig. 3 is a schematic view of an optical path of a third embodiment of the lighting assembly according to an embodiment of the present utility model. The lighting assembly 100 of the present embodiment is described on the basis of the lighting assembly 100 disclosed in the first embodiment.

Wherein the adjusting component comprises an optical film arranged on at least one of the light splitting component 13, the second diffusion sheet 17, the fourth collecting component 19 and the second collecting component 16. The optical film may be an antireflection film (antireflection film) or an antireflection film (antireflection film), and the antireflection film can absorb part of excitation light (blue light) or laser light (yellow light) so as to reduce the reflectivity of the excitation light (blue light) or the laser light (yellow light); the reflection enhancing film can increase the reflectance of excitation light (blue light) or laser light (yellow light). For example, the optical film is an antireflection film.

Optionally, when the antireflection film is disposed on the light splitting component 13, the antireflection film acts on the laser light (reduces the reflectivity of yellow light), so that the excitation light emitted by the light source component 10 is collected by the first collecting component 11, the divergence angle is adjusted by the first diffusion sheet 12, the second light reflected by the light splitting component 13 is reflected by the reflecting component 15 after passing through the second diffusion sheet 17 and the third collecting component 18, and then passes through the second diffusion sheet 17, the third collecting component 18 and the light splitting component 13 again and then enters the second collecting component 16, the first light transmitted by the excitation light passing through the light splitting component 13 passes through the fourth collecting component 19 and then enters the color wheel component 14 to generate the laser light, the excited light returns by the fourth collecting component 19, the reflected light enters the second collecting component 16 after passing through the light splitting component 13, the reflected part of the excited light is reduced, and the second light and the laser light are received and mixed by the second collecting component 16. Wherein the portion of the laser light reflected decreases, and thus the duty ratio of the second light in the mixed light increases.

Alternatively, when an antireflection film is provided to the second diffusion sheet 17, which acts on the excitation light (decreases the transmittance of blue light), the second light flux passing through the second diffusion sheet 17 twice decreases (blue light decreases), and the duty ratio of the second light in the mixed light decreases.

Alternatively, when an antireflection film is provided on the fourth collecting member 19, the antireflection film acts on the excitation light (reduces the transmittance of blue light), and the first light flux passing through the fourth collecting member 19 is reduced, and the excited light entering the color wheel assembly 14 is reduced, and the duty ratio of the second light in the mixed light is increased. Alternatively, the antireflection film acts on the laser light (reduces the transmittance of yellow light), so that the laser light passing through the fourth collection member 19 is reduced, and the ratio of the second light to the mixed light is increased.

Alternatively, when an antireflection film is provided to the second collecting member 16, which acts on the excitation light (decreases the transmittance of blue light), the second light flux passing through the second collecting member 16 decreases, and the ratio of the second light in the mixed light decreases. Alternatively, the antireflection film acts on the receiving laser light (reduces the transmittance of yellow light), and the laser light passing through the second collection member 16 is reduced, and the ratio of the second light to the mixed light is increased.

Optionally, when the optical film is disposed in a plurality of the light splitting component 13, the second diffusion sheet 17, the fourth collecting component 19 and the second collecting component 16, the ratio of the second light in the mixture can be adjusted, so that the description is omitted.

Alternatively, when the component is plated with the optical film, all areas or partial areas can be plated, and the partial areas can be distributed at intervals, hollowed-out distribution and the like according to the arrangement areas designed as required, so that the reflection and transmission of the optical film for the light beam can be more accurately controlled.

The film plating mode of the optical film comprises integral film plating, strip-shaped subsection film plating and hole digging film plating.

For example, as shown in fig. 4, fig. 4 is a schematic diagram of a first embodiment of a coating method of an illumination assembly according to an embodiment of the present utility model, wherein the coating method of the optical film is a strip-shaped sub-coating, and the shadow area is a reflection area.

For example, as shown in fig. 5, fig. 5 is a schematic diagram of a second embodiment of a coating method of an illumination assembly according to an embodiment of the present utility model, wherein the coating method of the optical film is a hole-digging coating method, wherein a shadow area is a reflection area, an upper diagram in fig. 5 is a hole-digging reflection area with equal area, and a lower diagram is a reflection area with holes gradually enlarged.

The illumination assembly 100 of the present embodiment includes a light source assembly 10, a first collecting assembly 11, a first diffusion sheet 12, a light splitting assembly 13, a color wheel assembly 14, a reflecting assembly 15, a second collecting assembly 16, a second diffusion sheet 17, a third collecting assembly 18, and a fourth collecting assembly 19, and an adjusting assembly. The adjusting component comprises an optical film, and the optical film is arranged on at least one of the light splitting component 13, the second diffusion sheet 17, the fourth collecting component 19 and the second collecting component 16, so that the duty ratio of the second light in the mixed light is adjusted, namely the duty ratio of the blue light in the mixed light is adjusted, the color temperature consistency of the output mixed light is further adjusted, the application scene of the lighting component is improved, the implementation is easy, and the cost is reduced.

Referring to fig. 6, fig. 6 is a schematic view of an optical path of a fourth embodiment of the illumination assembly according to an embodiment of the present utility model. The lighting assembly 100 of the present embodiment is described on the basis of the lighting assembly 100 disclosed in the first embodiment.

Optionally, the adjusting component includes a first polarizer 21 disposed between the second diffuser 17 and the third collecting component 18, and adjusts the luminous flux of the second light entering the third collecting component 18 by rotating the angle of the first polarizer 21 and controlling the size of the first polarizer 21, thereby adjusting the duty ratio of the second light in the mixed light. Wherein the size of the first polarizer 21 may be smaller than the size of the second diffuser 17.

Optionally, when the laser light generated by the fluorescence excited by the first light is in a saturated state, that is, even if the luminous flux of the first light increases again, the luminous flux of the generated laser light is unchanged, the adjusting component comprises a second polarizer 22, which is disposed between the first diffusion sheet 12 and the first collecting component 11, and the luminous flux of the excitation light is adjusted by rotating the angle of the second polarizer 22 and controlling the size of the second polarizer 22, so as to adjust the duty ratio of the second light in the mixed light, thereby adjusting the color temperature of the outgoing light. Wherein the second polarizer 22 may be smaller in size than the first diffuser 12.

The illumination assembly 100 of the present embodiment includes a light source assembly 10, a first collecting assembly 11, a first diffusion sheet 12, a light splitting assembly 13, a color wheel assembly 14, a reflecting assembly 15, a second collecting assembly 16, a second diffusion sheet 17, a third collecting assembly 18, and a fourth collecting assembly 19, and an adjusting assembly. The adjusting component includes a first polarizer 21 and/or a second polarizer 22, and adjusts the light flux of the second light entering the third collecting component 18 and/or the light flux of the excitation light by rotating the angle of the first polarizer 21 and/or the second polarizer 22 or by adjusting the size of the first polarizer 21 and/or the second polarizer 22, so as to adjust the duty ratio of the second light in the mixed light, that is, adjust the duty ratio of the blue light in the mixed light, and further adjust the consistency of the color temperature of the output mixed light, thereby improving the application scenario of the lighting component, being easy to implement and reducing the cost.

Referring to fig. 7, fig. 7 is a schematic view of an optical path of a fifth embodiment of the illumination assembly according to an embodiment of the present utility model. The lighting assembly 100 of the present embodiment is described on the basis of the lighting assembly 100 disclosed in the first embodiment.

The adjusting component includes an optical filter 23 disposed on the light emitting side of the second collecting component 16. Optionally, the filter 23 acts on the second light (i.e. blue filter), and adjusts the luminous flux of the second light passing through the filter 23, so as to adjust the duty ratio of the second light in the mixed light.

The illumination assembly 100 of the present embodiment includes a light source assembly 10, a first collecting assembly 11, a first diffusion sheet 12, a light splitting assembly 13, a color wheel assembly 14, a reflecting assembly 15, a second collecting assembly 16, a second diffusion sheet 17, a third collecting assembly 18, and a fourth collecting assembly 19, and an adjusting assembly. The adjusting component includes an optical filter 23, and is disposed on the light emitting side of the second collecting component 16, and adjusts the luminous flux of the second light passing through the optical filter 23, so as to adjust the duty ratio of the second light in the mixed light, that is, adjust the duty ratio of the blue light in the mixed light, and further adjust the consistency of color temperature of the output mixed light, thereby improving the application scenario of the lighting component, being easy to implement and reducing the cost.

Referring to fig. 8, fig. 8 is a schematic view of an optical path of a sixth embodiment of an illumination assembly according to an embodiment of the present disclosure. The lighting assembly 100 of the present embodiment is described on the basis of the lighting assembly 100 disclosed in the first embodiment.

The reflecting component 15 is a reflecting ceramic plate, and the adjusting component acts on the reflecting component 15 to adjust the reflectivity of the reflecting ceramic plate, so as to adjust the ratio of the second light in the mixed light.

Alternatively, the higher the reflectivity of the reflective ceramic sheet for the second light, the greater the portion of the second light that is reflected by the reflective ceramic sheet and ultimately enters the second collection assembly 16, and the greater the ratio of the second light to the mixed light.

Specifically, the manner in which the adjustment component adjusts the reflectivity of the reflective component 15, that is, the reflective ceramic sheet, may be to replace the reflective ceramic sheet having different reflectivity with different specifications; the reflective ceramic plate with different reflective areas is used for adjusting the duty ratio of the second light in the mixed light by moving the position of the reflective ceramic plate relative to the light path so that the light beam is reflected in the different reflective areas. For example, in fig. 6, the reflective ceramic sheet has A, B, C, D and E five reflective regions, which are different in reflectivity.

The illumination assembly 100 of the present embodiment includes a light source assembly 10, a first collecting assembly 11, a first diffusion sheet 12, a light splitting assembly 13, a color wheel assembly 14, a reflecting assembly 15, a second collecting assembly 16, a second diffusion sheet 17, a third collecting assembly 18, and a fourth collecting assembly 19, and an adjusting assembly. The reflecting component 15 is a reflecting ceramic plate, and the adjusting component acts on the reflecting component 15 to adjust the reflectivity of the reflecting ceramic plate, so as to adjust the duty ratio of the second light in the mixed light, namely, adjust the duty ratio of the blue light in the mixed light, and further adjust the consistency of the color temperature of the output mixed light, thereby improving the application scene of the lighting component, being easy to realize and reducing the cost.

Referring to fig. 9, fig. 9 is a schematic view of an optical path of a seventh embodiment of an illumination assembly according to an embodiment of the present disclosure. The lighting assembly 100 of the present embodiment is described on the basis of the lighting assembly 100 disclosed in the first embodiment, and some of them are different from those of the first embodiment.

The color wheel assembly 14 is arranged on a light path of the second light, the second light excites fluorescence on the color wheel assembly to generate laser, and the laser is transmitted through the light splitting assembly 13; the reflection assembly 15 is disposed on the optical path of the first light, and is configured to reflect the first light, and the reflected first light enters the second collection assembly 16 after being reflected by the light splitting assembly 13. I.e. the color wheel assembly 14 in this embodiment is exchanged in position with the reflective assembly 15 with respect to the first embodiment in fig. 1.

The lighting assembly 100 of this embodiment includes a light source assembly 10, a first collecting assembly 11, a first diffusion sheet 12, a light splitting assembly 13, a color wheel assembly 14, a reflecting assembly 15, a second collecting assembly 16 and an adjusting assembly, wherein the adjusting assembly is used for adjusting the duty ratio of the second light in the mixed light, that is, the duty ratio of the blue light in the mixed light, so as to adjust the consistency of color temperature of the output mixed light, thereby improving the application scene of the lighting assembly, being easy to implement and reducing the cost.

The present utility model also provides a lighting device 101, as shown in fig. 10, where the lighting device 101 includes the lighting assembly 100 of any one of the above embodiments, and the lighting device 101 may be a stage lamp, a moving head lamp, a beam lamp, or a searchlight.

It will be understood that equivalents and modifications will occur to those skilled in the art in light of the present utility model and their spirit, and all such modifications and substitutions are intended to be included within the scope of the present utility model as defined in the following claims.

Claims

1. A lighting assembly, comprising:

a light source assembly for generating excitation light;

the first collecting assembly and the first diffusion sheet are sequentially arranged on the light path of the excitation light, the first collecting assembly is used for collecting the excitation light, and the first diffusion sheet is used for adjusting the divergence angle of the excitation light emitted by the first collecting assembly;

the light splitting assembly is used for transmitting the light emitted by the first diffusion sheet to form first light, and the first light is used for exciting fluorescence; reflecting the light emitted by the first diffusion sheet to form second light;

the color wheel assembly is arranged on the light path of the first light, the first light excites fluorescence on the color wheel assembly to generate laser, and the laser is reflected by the light splitting assembly;

a reflection assembly for reflecting the second light, the light splitting assembly transmitting the second light;

a second collection assembly receiving the second light and the laser light for mixing the second light and the laser light into mixed light;

and the adjusting component is used for adjusting the duty ratio of the second light in the mixed light.

2. The illumination assembly of claim 1, wherein the illumination assembly comprises a second diffuser, a third collection assembly, and a fourth collection assembly, the third collection assembly and the second diffuser being disposed in sequence between the reflective assembly and the light splitting assembly, the fourth collection assembly being disposed between the light splitting assembly and the color wheel assembly.

3. The lighting assembly of claim 2, wherein the light splitting assembly comprises a first light splitting sheet and a second light splitting sheet, and the adjustment assembly is configured to adjust the reflectivity of the first light splitting sheet and/or the second light splitting sheet.

4. A lighting assembly as recited in claim 3, wherein the positions of said first light splitting sheet and said second light splitting sheet are movable.

5. The lighting assembly of claim 2 wherein the adjustment assembly comprises an optical film disposed on at least one of the light splitting assembly, the second diffuser, the fourth collection assembly, and the second collection assembly.

6. A lighting assembly as recited in claim 5, wherein said optical film comprises a bulk film, a strip portion film, and a hole-digging film.

7. The lighting assembly of claim 2 wherein the adjustment assembly comprises a first polarizer disposed between the second diffuser and the third collection assembly for controlling the second light output.

8. The lighting assembly of claim 2 wherein the adjustment assembly comprises a second polarizer disposed between the first diffuser and the first collection assembly for controlling the second light output.

9. The lighting assembly of claim 2, wherein the adjustment assembly comprises a filter disposed on the light exit side of the second collection assembly.

10. A lighting device comprising the lighting assembly of any one of claims 1-9.