CN114005390A - Lighting module and lamp - Google Patents
Lighting module and lamp Download PDFInfo
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- CN114005390A CN114005390A CN202111155574.2A CN202111155574A CN114005390A CN 114005390 A CN114005390 A CN 114005390A CN 202111155574 A CN202111155574 A CN 202111155574A CN 114005390 A CN114005390 A CN 114005390A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F19/00—Advertising or display means not otherwise provided for
- G09F19/12—Advertising or display means not otherwise provided for using special optical effects
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
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- G—PHYSICS
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- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/50—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels
- G02B30/56—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels by projecting aerial or floating images
Abstract
The invention belongs to the technical field of optical illumination, and particularly relates to an illumination module and a lamp. The lighting module of the present invention comprises: the light-emitting unit comprises a plurality of first light sources, the light-emitting unit uniformly illuminates the image layer, and the image layer can at least form a virtual image through the refraction imaging layer. According to the invention, the first light-emitting module and the refraction imaging layer are adopted, so that a user can see the image layer and the virtual image of the image layer at the same time, the lighting module can meet the daytime scene lighting requirement, and a three-dimensional visual effect can be provided, thereby improving the user experience.
Description
Technical Field
The invention belongs to the technical field of optical illumination, and particularly relates to an illumination module and a lamp.
Background
With the rapid development of economy and the rapid advance of urbanization, the available land of cities is increasingly tense, and the development and utilization of windowless space have become effective ways for relieving the land tension. In recent years, the utilization rate of land resources is greatly improved by using a windowless space and an underground space, but the windowless space is lack of connection with the external natural environment, and no sunlight is injected, so that people cannot perceive the change of the natural environment. Under the double influence of vision and psychology, the space is easy to cause people to have closed feeling and oppressive feeling, and the space without windows for a long time is very unfavorable for human health and can bring a series of health problems such as insomnia, depression and the like. Therefore, in the field of architectural lighting, a series of problems of windowless space are solved by using a false window lamp, and at present, the scene lighting lamp is based on a lamp box structure, and a proper scene image is selected to simulate a window, so that the fidelity of the scene lighting lamp is improved.
However, such lamps cannot present three-dimensional stereoscopic impression, and the fidelity and user experience thereof still need to be improved.
Disclosure of Invention
The invention provides a lighting module and a lamp, which are used for improving the fidelity of a simulated window and sunlight and the user experience.
The invention provides a lighting module, comprising: a first light-emitting module and a refractive imaging layer.
The first lighting module comprises a lighting unit and an image layer, wherein the lighting unit is used for uniformly lighting the image layer, simulating the scene that sunlight uniformly lights a window and a scene outside the window, and making the lighting module look like a real window to bring the window and the sunlight into a room; the light emitting unit comprises a plurality of first light sources, wherein the first light sources comprise at least one type of light source; the image layer and the light-emitting unit are stacked and arranged, and the image layer is arranged above the light-emitting unit along the light-emitting direction of the light-emitting unit.
The refraction imaging layer is a transparent solid layer with the refractive index larger than 1, is arranged with the first light-emitting module in a laminated manner, and is arranged above the first light-emitting module along the light-emitting direction of the first light-emitting module; the refraction imaging layer is used for imaging, the image layer forms at least one virtual image through the refraction imaging layer, and a user can see the image layer and the image layer at the same time; in some embodiments, a plurality of ghost images can be seen, so that the three-dimensional stereoscopic impression of the lamp is increased, the scene reality is enhanced, and the user experience is improved.
The refraction imaging layer comprises an incident surface and an emergent surface, the incident surface is located above the image layer, the emergent surface is located above the incident surface, and the emergent surface is parallel to the image layer.
In the invention, the light transmittance of the image layer is more than 10%.
In an alternative, the incident surface is provided with a plurality of inclined surface portions and a plurality of planar portions, the planar portions are arranged in parallel with the exit surface, the inclined surface portions and the planar portions are arranged periodically in a first direction (X direction) and extend to expand in a second direction (Y direction), and the first direction (X direction) is perpendicular to the second direction (Y direction). Set up at least one between inclined plane portion and the plane portion and predetermine the angle, a plurality of different predetermine the angle and can become a plurality of virtual images through refraction imaging layer.
Further, the inclined plane part comprises a first inclined plane part and a second inclined plane part, the plane part is located on a first reference plane, the inclined plane part protrudes out of the first reference plane in the direction opposite to the light emitting direction of the first light emitting module, a first preset angle arranged between the first inclined plane part and the first direction (X direction) is larger than 90 degrees and smaller than 180 degrees, a second preset angle arranged between the second inclined plane part and the first direction (X direction) is larger than 0 degrees and smaller than 90 degrees, and the plane part, the first inclined plane part and the second inclined plane part are sequentially arranged alternately and periodically.
Further, the inclined surface portion includes a first inclined surface portion and a second inclined surface portion, the flat surface portion includes a first flat surface portion and a second flat surface portion, the first plane part is positioned on a first reference plane, the second plane part is arranged on a second reference plane and is along the light-emitting direction of the first light-emitting module, the second reference plane is arranged below the first reference plane, the second plane part, the first inclined plane part and the second inclined plane part protrude out of the first reference plane in the direction opposite to the light emitting direction of the first light emitting module, a first preset angle provided between the first slope part and the first direction (X direction) is greater than 90 degrees and less than 180 degrees, a second preset angle provided between the second inclined surface portion and the first direction (X direction) is greater than 0 ° and less than 90 °, the second inclined plane part, the first inclined plane part and the second plane part are arranged alternately in sequence.
Further, a first preset angle provided between the first slope part and the first direction (X direction) is 90 °;
alternatively, a second preset angle provided between the second slope part and the first direction (X direction) is 90 °.
Further, the plurality of first light sources are arranged in a matrix along a first direction (X direction) and a second direction (Y direction), the first direction (X direction) being perpendicular to the second direction (Y direction).
In an alternative scheme, the light-emitting unit further comprises a floodlight element, the floodlight element is arranged on a light path of the first light source, and the floodlight element can integrally diffuse light emitted by the first light source, so that uniformity of light emitted by the light-emitting unit is improved.
Further, the floodlight component is a light guide plate or a nanometer light guide plate, the first light source is arranged on at least one side edge of the floodlight component, and the plurality of first light sources are arranged along a first direction (X direction) or a second direction (Y direction);
or, the floodlight element is a light diffusion plate, the first light source is arranged below the floodlight element along the light emitting direction of the first light source, the plurality of first light sources are arranged in a matrix along a first direction (X direction) and a second direction (Y direction), and the first direction (X direction) is perpendicular to the second direction (Y direction).
In an alternative scheme, the first light source comprises two types of light sources, the first type of light source is warm white light, and the second type of light source is cold white light, so that white light in a certain color temperature range can be obtained by uniformly mixing the first type of light source and the second type of light source and then diffusing and guiding the mixed light, wherein the color temperature range is greater than or equal to that of the warm white light, and is less than or equal to that of the cold white light. The color temperature can be changed by adjusting the luminous intensity ratio of the first type light source and the second type light source, and the user can manually adjust the color temperature of the lamp according to the preference through a manual mode.
Further, a plurality of first light sources are arranged along a first direction (X direction) or a second direction (Y direction), the first type light source includes a plurality of first sub light sources, the second type light source includes a plurality of second sub light sources, and the first sub light sources and the second sub light sources are alternately arranged along the first direction (X direction) or the second direction (Y direction);
alternatively, the plurality of first light sources are arranged in a matrix along a first direction (X direction) and a second direction (Y direction), the first type light source includes a plurality of first sub light sources, the second type light source includes a plurality of second sub light sources, and the first sub light sources and the second sub light sources are alternately arranged along the first direction (X direction) or the second direction (Y direction).
The first light sources are arranged on two opposite side edges of the floodlight component.
In an alternative, the lighting module further comprises a second light emitting module, and the second light emitting module comprises a plurality of second light sources. The second light-emitting module is arranged at the position obliquely above two opposite sides of the refraction imaging layer, the refraction imaging layer is arranged on a light path of the second light-emitting module, and light emitted by the second light-emitting module is guided out directionally according to a preset direction after penetrating through the refraction imaging layer, so that when the second light source is started, the second light-emitting module can guide out parallel light or near parallel light directionally, light spots are generated, a scene that sunlight penetrates through a window to shine into a room can be presented, scene reality sense is enhanced, and user experience is further improved.
Further, the second light source further comprises a third type light source and a fourth type light source.
In an alternative, the first light-emitting module further includes a diffuse reflection layer, the diffuse reflection layer is stacked with the light-emitting unit, and the diffuse reflection layer is disposed below the light-emitting unit along a light-emitting direction of the light-emitting unit; part of light rays emitted by the light emitting unit do not reach the image layer to form stray light, and the diffuse reflection layer reflects the part of light to the image layer again, so that the light efficiency is improved.
In an alternative aspect, the first light-emitting module further includes a haze layer disposed above the light-emitting unit and below the image layer along a light-emitting direction of the light-emitting unit; the light emitted by the light-emitting unit is led out after penetrating through the haze layer, and the haze layer can further diffuse the light integrally to realize further homogenization of the light, so that the sense of reality of a scene is enhanced, and the user experience is further improved.
The invention also relates to a luminaire comprising: the lighting module and the corresponding control module; the control module is coupled with the lighting module through one or two of wired connection and wireless connection.
In the invention, the control module comprises a first control unit, the first control unit comprises a first intensity control unit, and the first intensity control unit is used for controlling the luminous intensity of the first light source.
Further, the first light source includes two types of light sources: a first type light source and a second type light source;
correspondingly, the first control unit further comprises a first intensity ratio control unit, and the first intensity ratio control unit is used for controlling the luminous intensity ratio of the first type light source and the second type light source.
In the invention, the lamp has a light spot mode and a non-light spot mode;
correspondingly, the lighting module further comprises: the second light-emitting module comprises a plurality of second light sources, the second light-emitting module is arranged at the obliquely upper positions of two opposite sides of the refraction imaging layer, and light emitted by the second light-emitting module penetrates through the refraction imaging layer and then is guided out directionally according to a preset direction;
correspondingly, the control module further comprises a second control unit, wherein the second control unit is used for controlling the second light source to be turned on in the light spot mode, adjusting the light intensity of the second light source, and turning off the second light source in the no light spot mode;
further, the second light source comprises two types of light sources, a third type of light source and a fourth type of light source, wherein the third type of light source is warm white light, and the fourth type of light source is cold white light;
correspondingly, the second control unit further comprises a second intensity ratio control unit, and the second intensity ratio control unit is used for adjusting the luminous intensity ratio of the third type light source and the fourth type light source in the facula mode.
In the invention, the control module further comprises an automatic mode, and in the automatic mode, the luminous intensities of the first light source and the second light source automatically change along with time, and the luminous intensity ratio of the first light source to the second light source and the luminous intensity ratio of the third light source to the fourth light source automatically change along with time. Through automatic mode lamps and lanterns can realize the colour temperature and the luminous intensity of along with time automatically regulated lamps and lanterns promptly, further improve the lifelike degree of lamps and lanterns simulation window to user experience has further been promoted.
In the present invention, the control module is preferably a touch slide control module.
Compared with the prior art, the technical scheme of the invention has the following advantages:
the illumination module can simulate the scene that the sunlight uniformly illuminates the window and the scene outside the window, so that the illumination module looks like a real window and brings the window and the sunlight into the room. Moreover, a plurality of ghost images can be seen, so that the three-dimensional stereoscopic impression of the lamp is increased, the sense of reality of a scene is enhanced, and the user experience is improved.
Drawings
Fig. 1 is a schematic structural diagram of a lighting module according to a first embodiment of the invention.
FIG. 2 is a schematic structural diagram of a third embodiment of a refractive imaging layer of the present invention.
FIG. 3 is a schematic structural diagram of a first embodiment of a refractive imaging layer of the present invention.
FIG. 4 is a schematic structural diagram of a second embodiment of a refractive imaging layer of the present invention.
Fig. 5 is a schematic structural diagram of a light-emitting unit of a first embodiment of the first light-emitting module according to the present invention.
Fig. 6 is a schematic distribution diagram of the first light source of fig. 5 and 9 according to the present invention.
Fig. 7 is a schematic structural diagram of a light-emitting unit of a first light-emitting module according to a second embodiment of the present invention.
Fig. 8 is a schematic cross-sectional view of a light-emitting unit of a first light-emitting module according to a second embodiment of the present invention.
Fig. 9 is a schematic structural diagram of a light-emitting unit of a first light-emitting module according to a third embodiment of the present invention.
Fig. 10 is a schematic structural diagram of a lighting module according to a second embodiment of the present invention.
Fig. 11 is a schematic diagram of a light distribution curve of an example of a second light source of the present invention.
FIG. 12 is a schematic view of the optical path of light from a second light source on a third embodiment of a refractive imaging layer according to the present invention.
FIG. 13 is a schematic view of the path of light from a second light source according to the present invention on a first embodiment of a refractive imaging layer.
Fig. 14 is a schematic structural view of a lighting module according to a third embodiment of the present invention.
FIG. 15 is a functional block diagram of a lamp according to an embodiment of the invention.
Detailed Description
The invention is further described below with reference to the figures and examples.
The present invention provides a lighting module, comprising: a first light-emitting module and a refractive imaging layer;
the first light-emitting module comprises a light-emitting unit and an image layer, the light-emitting unit is used for uniformly illuminating the image layer, and the light-emitting unit comprises a plurality of first light sources, wherein the first light sources comprise at least one type of light source; the image layer and the light-emitting unit are stacked and arranged, and the image layer is arranged above the light-emitting unit along the light-emitting direction of the light-emitting unit. Wherein the image layer has a light transmittance of greater than 10%.
The refraction imaging layer is a transparent solid layer with the refractive index larger than 1, the refraction imaging layer and the first light-emitting module are arranged in a laminated mode, the refraction imaging layer is arranged above the first light-emitting module along the light emitting direction of the first light-emitting module, and the image layer at least forms a virtual image through the refraction imaging layer; the refraction imaging layer comprises an incident surface and an emergent surface, the incident surface is arranged above the first light-emitting module along the light-emitting direction of the first light-emitting module, the emergent surface is arranged above the incident surface, namely the emergent surface is farther away from the first light-emitting module than the incident surface, and the emergent surface is parallel to the image layer. The incident surface is provided with a plurality of inclined plane portions and a plurality of plane portions, plane portion and emergent surface parallel arrangement can set up the angle of predetermineeing of a plurality of differences between inclined plane portion and the plane portion. The inclined plane parts and the plane parts are periodically arranged in the X direction and extend in the Y direction in an expanding mode, and the X direction is perpendicular to the Y direction.
In the embodiment of the invention, the image layer is uniformly illuminated by the light-emitting unit, so that the window and the scene outside the window are simulated to be illuminated by sunlight, and the image layer can form at least one virtual image through the refraction imaging layer, so that a user can see the image layer and the virtual images of the image layer at different positions, thereby generating a three-dimensional stereoscopic impression and enhancing the fidelity of the lamp simulation window.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a lighting module according to a first embodiment of the present invention.
The lighting module 01 includes: the first light-emitting module 10 and the refraction imaging layer 20 are stacked, and the refraction imaging layer 20 is arranged above the first light-emitting module 10 along the light-emitting direction of the first light-emitting module 10; the first light-emitting module 10 includes a light-emitting unit 110 and an image layer 120, the light-emitting unit 110 is used for uniformly illuminating the image layer 120, the light-emitting unit 110 and the image layer 120 are stacked, and along a light-emitting direction of the light-emitting unit 110, the image layer 120 is disposed above the light-emitting unit 110, and light emitted by the light-emitting unit 110 passes through the image layer 120 and then is incident on the refraction imaging layer 20; according to the structure of the refractive imaging layer 20, the image layer 120 forms at least one virtual image through the refractive imaging layer 20, and different virtual images are located at different positions.
The refraction imaging layer 20 includes an incident surface 210 and an exit surface 220, the incident surface 210 and the exit surface 220 are stacked and arranged along the light emitting direction of the first light emitting module 10, the incident surface 210 is arranged below the exit surface 220, the light emitted by the light emitting unit 110 is transmitted through the image layer 120 and then is incident on the incident surface 210, and then is refracted or reflected inside the refraction imaging layer 20 and then is guided out from the exit surface 220.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a refractive imaging layer according to a first embodiment of the invention.
The incident surface 210 includes a plurality of inclined surface portions 211 and a plurality of planar surface portions 212, the planar surface portions 212 and the exit surface 220 are arranged in parallel, the inclined surface portions 211 include a first inclined surface portion 211a and a second inclined surface portion 211b, the planar surface portions 212 are arranged on a first reference plane, the first inclined surface portion 211a and the second inclined surface portion 211b protrude from the first reference plane in a direction opposite to the light emitting direction of the first light emitting module 10, and the planar surface portions 212, the first inclined surface portions 211a and the second inclined surface portions 211b are arranged alternately and periodically in sequence; at least one first preset angle θ 'is arranged between the first inclined surface portion 211a and the planar portion 212, the first preset angle θ' is an angle formed by the first inclined surface portion 211a and a first direction (X direction), and the first preset angle is greater than 90 ° and smaller than 180 °; at least one second preset angle θ "is set between the second inclined surface portion 211b and the planar portion 212, and the second preset angle θ" is an angle formed by the second inclined surface portion 211b and the first direction (X direction), and is greater than 0 ° and smaller than 90 °.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a second embodiment of a refractive imaging layer according to the present invention.
The incident surface 210 includes a plurality of inclined surface portions 211 and a plurality of planar portions 212, and the planar portions 212 and the exit surface 220 are arranged in parallel. The planar portion 212 includes a first planar portion 212a and a second planar portion 212b, the first planar portion 212a is disposed on a first reference plane, the second planar portion 212b is disposed on a second reference plane, and the first reference plane is disposed above the second reference plane along the light emitting direction of the first light-emitting module 10; the inclined surface portion 211 comprises a first inclined surface portion 211a and a second inclined surface portion 211b, the first inclined surface portion 211a, a second plane portion 212b and the second inclined surface portion 211b protrude from a first reference plane in a direction opposite to the light emitting direction of the first light emitting module 10, and the first inclined surface portion 211a, the first plane portion 212a, the second inclined surface portion 211b and the second plane portion 212b are alternately and periodically arranged in sequence; at least one first preset angle θ 'is set between the first inclined surface portion 211a and the planar portion 212, the first preset angle θ' is an angle formed by the first inclined surface portion 211a and a first direction (X direction), the first preset angle is greater than 90 ° and less than 180 °, at least one second preset angle θ "is set between the second inclined surface portion 211b and the planar portion 212, the second preset angle θ" is an angle formed by the second inclined surface portion 211b and the first direction (X direction), and the second preset angle is greater than 0 ° and less than 90 °.
In other embodiments, the first preset angle θ' is set to 90 °, or the second preset angle θ ″ is set to 90 °. Referring to fig. 2, fig. 2 is a schematic structural diagram of a third embodiment of a refractive imaging layer 20 according to the present invention, which differs from the first embodiment in that the second predetermined angle is 90 °.
The incident surface 210 includes a plurality of inclined surface portions 211 and a plurality of planar portions 212, and the planar portions 212 and the exit surface 220 are arranged in parallel. The inclined surface portion 211 comprises a first inclined surface portion 211a and a second inclined surface portion 211b, the planar portion 212 is disposed on a first reference plane, the first inclined surface portion 211a and the second inclined surface portion 211b protrude from the first reference plane in a direction opposite to a light emitting direction of the first light emitting module, and the planar portion 212, the first inclined surface portion 211a and the second inclined surface portion 211b are alternately and periodically disposed in sequence; at least one first preset angle θ 'is arranged between the first inclined surface portion 211a and the planar portion 212, the first preset angle θ' is an angle formed by the first inclined surface portion 211a and a first direction (X direction), and the first preset angle is greater than 90 ° and smaller than 180 °; at least one second preset angle θ "is set between the second inclined surface portion 211b and the planar portion 212, and the second preset angle θ" is an angle formed by the second inclined surface portion 211b and the first direction (X direction), and the second preset angle is equal to 90 °.
In the third embodiment of the refractive imaging layer, the image layer 120 may form at least one virtual image by the first slope part 211a, because the first preset angle provided between the second slope part 211b and the plane part 212 is 90 °, and the image layer 120 cannot be imaged by the second slope part 211 b. In fig. 2, points a and B are two object points on the image layer 120, where points a and B emit a plurality of light rays, and in fig. 2, two light rays a emitted from point a are shown1And a2And a ray B from point B. The light ray a1And a2The incident light is refracted by the first inclined surface 211a on the incident surface 210, then incident on the emergent surface 220, refracted again and emitted, and the emitted light is extended reversely and intersected at A1Point, said A1A point is a virtual image formed by the point a through the first slope part 211 a; the light ray b is incident on the planar portion 212 of the incident surface 210 and then refracted, and then incident on the exit surface 220 and refracted again and then emitted. When the human eye is at a certain position C to observe the illumination module, two types of light rays enter the human eye, one type is that an object point (such as a point B in fig. 2) on the image layer 120 is refracted by the plane part 212 and the emergent surface 220 and then is emergent, the human eye can directly observe the image layer 120, the other type is that an object point (such as a point a in fig. 2) on the image layer 120 is refracted by the first inclined plane part 211a and the emergent surface 220 and then is emergent, and the human eye can observe an image a of the point a1。
If all the first preset angles θ' set between all the first inclined surface portions 211a and the planar portion 212 are the same, the image layer 120 forms a virtual image through the first inclined surface portions 211a, and human eyes can see the image layer and the virtual image of one image layer at the same time; if two different first preset angles θ 'are provided between first bevel portion 211a and planar portion 212'1And θ'2In the process, the image layer can form two images through the first inclined plane part 211a, and the two images are located at different positions, so that human eyes can see the triple image layers which are the image layer and virtual images of the two image layers respectively, the three-dimensional stereoscopic impression is further enhanced, and the user experience is improved; when the first inclined surface portion 211a and the planar portion 212 are set to n first preset angles, and the n preset angles are different from each other, n images can be formed by the first inclined surface portion 211a, and the n images are located at different positions, so that the (n +1) heavy image layers, which are the image layers and the virtual images of the n image layers, can be seen by human eyes.
The first, second and third embodiments differ from each other in that: a second preset angle set between the second bevel portion 211b and the planar portion 212 of the third embodiment is 90 °, and the image layer 120 cannot be imaged by the second bevel portion 211 b; the second predetermined angle between the second bevel 211b and the flat surface 212 of the first and second embodiments is not 90 °, and the image layer 120 can be imaged by the first bevel 211a and the second bevel 211b after the light passes through the refractive imaging layer 20 of the first and second embodiments.
If the first preset angles θ' provided between the first inclined surface portion 211a and the flat surface portion 212 are all the same, and the second preset angles θ ″ provided between the second inclined surface portion 211b and the flat surface portion 212 are all the same, that is, as shown in fig. 3 or 4, θ1＝θ3，θ2＝θ4The image layer 120 forms two virtual images through the refractive imaging layer 20, and an object point a on the image layer 120 forms a virtual image a through the first inclined plane portion 211a1Another object point D on the image layer 120 forms a virtual image D through the second inclined plane portion 211b1The imaging principle is the same as in the third embodiment of the refractive imaging layer 20 and will not be described here.
If n is set between the first inclined surface portion 211a and the flat surface portion 2121A first preset angle
And n is1The first preset angles are different from each other if the second inclined surface portion 211b and the plane portion 212 are disposedIs n2A second preset angle
And n is2The second predetermined angles are different from each other, and the image layer 120 is composed of (n) through the refractive image layer 201+n2) And (4) a virtual image.
The first light-emitting module 10 includes: the light emitting device comprises a light emitting unit 110 and an image layer 120, wherein the light transmittance of the image layer 120 is greater than 10%, the light emitting unit 110 is used for uniformly illuminating the image layer 120, the light emitting unit 110 comprises a plurality of first light sources 111, and the first light sources 111 comprise at least one type of light source.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a light emitting unit 110 according to a first embodiment of the present invention;
the plurality of first light sources 111 are arranged in a matrix along a first direction (X direction) and a second direction (Y direction), and as an example, the first light sources 111 include first type light sources 121 and second type light sources 131, and the first type light sources 121 and the second type light sources 131 are alternately arranged along the first direction (X direction) or the second direction (Y direction), and the first direction (X direction) is perpendicular to the second direction (Y direction).
With reference to fig. 5 and fig. 6, fig. 5 is a schematic structural diagram of a first embodiment of the light emitting unit 110 of the present invention, and fig. 6 is a schematic distribution diagram of the first light source in the first embodiment of the light emitting unit in fig. 5.
As shown in fig. 6, as an example, the plurality of first light sources 111 are arranged in a matrix along a first direction (X direction) and a second direction (Y direction), the first-type light source 121 includes a plurality of first sub light sources 121a, the second-type light source 131 includes a plurality of second sub light sources 131a, and the first sub light sources 121a and the second sub light sources 131a are alternately arranged along the first direction (X direction) or the second direction (Y direction), and the first direction (X direction) is perpendicular to the second direction (Y direction).
By adopting a matrix arrangement manner, and allowing the first sub light sources 121a and the second sub light sources 131a to be alternately arranged along the first direction (X direction) or the second direction (Y direction), it is beneficial to improve the brightness uniformity of the light emitted by the light emitting unit 110.
In other embodiments, the light emitting unit 110 further comprises a floodlight component 112, and the floodlight component 112 comprises a light guide plate, a nano-light guide plate or a light diffusion plate. In particular, the position of the first light source 111 in the light-emitting unit 110 depends on the type of the floodlight element 112.
In the second embodiment of the light emitting unit 110 shown in fig. 7, the floodlight component 112 is a light guide plate or a nano light guide plate, and the first light source 111 is disposed on at least one side of the floodlight component 112. As an example, as shown in fig. 8, the first light sources 111 are disposed on two opposite sides of the floodlight component 112, so as to improve the brightness uniformity of the illuminating light, and it is beneficial to reduce the number of the first light sources 111, thereby reducing the manufacturing cost of the lighting module.
In the present embodiment, as shown in fig. 7, the plurality of first light sources 111 are arranged along a first direction (X direction) or a second direction (Y direction), as an example, the first light sources 111 include a first type light source 121 and a second type light source 131, the first type light source 121 includes a plurality of first sub light sources 121a, the second type light source 131 includes a plurality of second sub light sources 131a, and along the first direction (X direction) or the second direction (Y direction), the first sub light sources 121a and the second sub light sources 131a are alternately arranged, and the floodlight member 112 has a certain thickness. The first direction (X direction) or the second direction (Y direction) refers to: the length direction and the width direction of the floodlight component 112, and the first direction (X direction) is perpendicular to the first direction (Y direction).
The first-type light sources 121 and the second-type light sources 131 are alternately arranged in the first direction (X direction) or the first direction (Y direction), which is beneficial to improving the brightness uniformity of the light emitted by the light emitting unit 110, so that the image layer 120 can be uniformly illuminated.
In this embodiment, along the thickness direction of the floodlight component 112, that is, the Z direction, the floodlight component 112 has a first light emitting surface (not labeled). The light-emitting surface of the light guide plate has a Dot pattern (Dot pattern), and when light emitted from the first light source 111 enters the light guide plate, the light is totally reflected inside the light guide plate and is emitted from the first light-emitting surface after contacting the Dot pattern. When the first light source 111 is disposed on at least one side of the floodlight component 112, the floodlight component 112 can also be a nanometer light guide plate. The nanometer light guide plate is formed by adding nanometer particles in the light guide plate, so that the uniformity of mixed light is improved.
The first light emitting surface here refers to: the surface of the floodlight element 112 facing the environment to be illuminated, that is, the first light emitting surface is further away from the bottom of the housing of the lamp when the lighting module is applied to the lamp.
It should be noted that, in other embodiments, the floodlight component 112 is a light diffusion plate, and the first light source 111 may be disposed below the floodlight component 112 along the emitting direction of the first light source 111.
In other embodiments, the plurality of first light sources 111 are arranged in a matrix along a first direction (X direction) and a second direction (Y direction), and the first sub light sources 121a and the second sub light sources 131a are alternately arranged along the first direction (X direction) or the second direction (Y direction), and the first direction (X direction) is perpendicular to the second direction (Y direction). The first direction (X direction) or the second direction (Y direction) refers to: the length direction and the width direction of the floodlight component 112, the first direction (X direction) is perpendicular to the second direction (Y direction).
With combined reference to fig. 6 and fig. 9, fig. 9 is a schematic structural diagram of a third embodiment of a light-emitting unit of the present invention, and fig. 6 is a schematic distribution diagram of the first light source in the third embodiment of the light-emitting unit in fig. 9.
The same points of the embodiments of the present invention as those of the previous embodiments are not described herein again, and the embodiments of the present invention are different from the previous embodiments in that: as shown in fig. 9, in the light emitting unit 110, the first light source 111 is disposed below the floodlight component 112 along the light emitting direction (as shown in the Z direction in fig. 9) of the first light source 111.
In this embodiment, the floodlight component 112 is a light diffusion plate, and the first light source 111 is disposed below the floodlight component 112. The light-diffusing sheet has sufficient light transmittance and light diffusibility. Specifically, after the light emitted from the first light source 111 enters the light-diffusing plate, the light-diffusing plate continuously refracts, reflects and scatters light among the chemical particles, thereby forming a uniform light-diffusing effect.
As shown in fig. 9, as an example, the plurality of first light sources 111 are arranged in a matrix along a first direction (X direction) and a second direction (Y direction), the first-type light source 121 includes a plurality of first sub light sources 121a, the second-type light source 131 includes a plurality of second sub light sources 131a, and the first sub light sources 121a and the second sub light sources 131a are alternately arranged along the first direction (X direction) or the second direction (Y direction), and the first direction (X direction) is perpendicular to the second direction (Y direction).
The first sub-light sources 121a and the second sub-light sources 131a are arranged in a matrix and alternately arranged along the first direction (X direction) or the second direction (Y direction), which is beneficial to improving the brightness uniformity and the color uniformity of the light emitted by the light emitting unit.
For the specific description of the light emitting unit in this embodiment, reference may be made to the corresponding description in the foregoing embodiments, and the description of this embodiment is not repeated herein.
The light transmittance of the image layer 120 is greater than 10%, so that the image layer 120 has sufficient brightness, and it should be noted that the light transmittance of the image layer 120 is improved, and the amount of light emitted from the image layer 120 to the refraction imaging layer 20 can be increased while the light efficiency is improved, so that the brightness of an image formed by the image layer 120 passing through the refraction imaging layer 20 is enhanced, and the reality of the window simulated by the illumination module 01 is improved.
As an example, the image layer 120 may be a lamp house cloth, and may be one of a knife cloth, a lamp sheet, a pauli cloth, a soft film, a 3p cloth, a pearl cloth, and a UV soft film. The present embodiment selects a UV soft film, the soft film is made of polyvinyl chloride, and the light transmittance is about 75% to 80%. UV is the meaning of UV curing, and means that under the irradiation of ultraviolet light, the ink forms a film by polymerizing monomers in the ink binder into polymers by using the ultraviolet light with different wavelengths and energies, and the ink is dried. The UV soft film is formed by printing a pattern on the soft film by using a special printer and adding UV ink, and quickly curing and drying the ink by using self-contained ultraviolet rays.
As an example, the first light source 111 is a Light Emitting Diode (LED) light source. The LED light source has the characteristics of energy conservation, environmental protection, safety, long service life, low power consumption, high efficiency, high brightness, water resistance, micro size and the like.
Referring to fig. 10, fig. 10 is a schematic structural diagram of a lighting module 01 according to a second embodiment of the present invention.
The same points of the embodiments of the present invention as those of the previous embodiments are not described herein again, and the embodiments of the present invention are different from the previous embodiments in that: the lighting module 01 further comprises: a plurality of second luminescence modules 30, second luminescence module 30 set up in the oblique top position department of the relative both sides of refraction imaging layer 20, second luminescence module 30 includes a plurality of second light sources 310, a plurality of second luminescence modules 30 are arranged along second direction (Y direction) in proper order, refraction imaging layer 20 sets up on the light path of second luminescence module 30. The second light source 310 is used for emitting white light, and the second light source 310 includes at least one type of light source. The light emitted by the second light emitting module 30 is directionally guided out according to a preset direction after penetrating through the refraction imaging layer 20, so that when the second light source 310 is turned on, the refraction imaging layer 20 can directionally guide out parallel light or near parallel light, thereby generating natural light spots, further enhancing the scene reality and creating a good lighting atmosphere.
In order to guide the light emitted from the second light emitting module 30 to the incident surface 210 of the refractive imaging layer 20, the light emitting direction of the second light emitting module 30 is inclined downward, and as an example, fig. 11 is a possible light distribution curve of the light emitted from the second light emitting module 30. The light emitted by the second light emitting module 30 passes through the refractive imaging layer 20, and then parallel light or near-parallel light in one direction or two directions exits.
As shown in fig. 12, light emitted from the second light emitting module 30 is incident on the inclined surface portion 211 of the refractive imaging layer 20, and the light is totally reflected by the inclined surface portion 211 and then exits.
As shown in fig. 12, the refractive imaging layer 20 is a third embodiment of the refractive imaging layer 20, and the first preset angle θ' set between the first inclined surface portion 211a and the planar portion 212 is completely the same. The light emitting direction of the second light emitting module 30 is obliquely downward, the polarization angle is greater than 0 ° and less than 90 °, the light emitted by the second light emitting module 30 is incident on the first inclined surface portion 211a and is totally reflected and then emitted, the emergent light is a near-parallel light in one direction, the beam angle of the emergent light is determined by the beam angle of the light emitted by the second light emitting module 30, the beam angle of the light emitted by the second light emitting module 30 is larger, the beam angle of the emergent light is larger, and the polarization angle β of the emergent light is determined by the polarization angle of the second light emitting module 30 and a first preset angle θ' set between the first inclined surface portion 211a and the plane portion 212;
the light distribution curve refers to the light intensity distribution of a light source (or a lamp) in each direction of the space, and generally has three expression methods: the light distribution curve in the invention is a polar coordinate representation method. The beam angle is the angle formed by two points of half of the maximum light intensity and the center-connecting line, for example, the beam angle of parallel light is 0 °, and the beam angle of lambertian body is 120 °.
It should be noted that, the second light emitting module 30 is disposed at the obliquely upper position of the two opposite sides of the refractive imaging layer 20, in this embodiment, the second preset angle between the second inclined surface portion 211b and the planar portion 212 is 90 °, so that the light emitted by the second light emitting module 30 close to the first inclined surface portion 211a cannot be totally reflected by the second inclined surface portion 211b, and only the light emitted by the second light emitting module 30 close to the second inclined surface portion 211b can be totally reflected by the first inclined surface portion 211a, so that only the near-parallel light in one direction is led out.
In other embodiments, the refractive imaging layer 20 is the first embodiment or the second embodiment of the refractive imaging layer 20, and unlike the previous embodiments, the first and second predetermined angles between the first and second slope surface portions 211a and 211b and the plane portion 212 are not 90 °. Taking the second embodiment of the refractive imaging layer 20 as an example, as shown in fig. 13, in the present embodiment, the light emitted by the second light emitting modules 30 on both sides is totally reflected by the first inclined surface portion 211a and the second inclined surface portion 211b and then exits, so that approximately parallel light in two directions is led out. The light emitting principle of this embodiment is the same as that of the above embodiment, and is not described herein again.
It should be noted that the light emitted by the second light emitting modules 30 on both sides is totally reflected by the first inclined surface portion 211a and the second inclined surface portion 211b to obtain the near-parallel light in two outgoing directions, but in some embodiments, the light beams in the two outgoing directions are overlapped to obtain the near-parallel light in one outgoing direction.
Therefore, by using the second light-emitting module 30, the lighting module integrates a flood lighting function and a directional lighting function, and the lighting module 01 can obtain a light spot mode and a non-light spot mode, so that the illumination performance and the user experience are further improved.
In this embodiment, the second light source 310 is used for emitting white light and generating light spots, so as to create a scene that sunlight penetrates through a skylight.
Referring to fig. 14, fig. 14 is a schematic structural view of a lighting module according to a third embodiment of the present invention.
The same points of the embodiments of the present invention as those of the previous embodiments are not described herein again, and the embodiments of the present invention are different from the previous embodiments in that: the first light-emitting module 10 further includes: diffuse reflective layer 130 and haze layer 140. The diffuse reflection layer 130 is stacked on the light emitting unit 110, and the diffuse reflection layer 130 is disposed below the light emitting unit 110 along the light emitting direction of the light emitting unit 110; the haze layer 140 is stacked on the light emitting unit 110, and the haze layer 140 is disposed above the light emitting unit 110 and below the image layer 120 along the light emitting direction of the light emitting unit 110.
The light emitted from the light emitting unit 110 is not emitted along the light emitting direction (i.e. the Z direction shown in the figure) to form stray light, and the diffuse reflection layer 130 reflects the light to the image layer 120 again and then disperses and guides the light out, so that the light efficiency is improved, and the waste of light energy is reduced.
The light emitted by the light emitting unit 110 is guided out after penetrating through the haze layer 140, and the haze layer 140 can further diffuse the light integrally to realize further homogenization of the light, so that the brightness uniformity of the light emitting unit 110 is improved, the vividness is enhanced, and the experience of a user is improved.
For a detailed description of the illumination module 01 in this embodiment, reference may be made to the corresponding description in the foregoing embodiments, and details of this embodiment are not repeated herein.
Referring to fig. 15, fig. 15 is a functional block diagram of an embodiment of a lamp 600 of the present invention.
The luminaire 600 comprises: the lighting module 60 and the control module 70 provided by the embodiment of the present invention; and a control module 70 comprising a first control unit 71, wherein the first control unit 71 comprises a first intensity control unit 74, and the first intensity control unit 74 is used for controlling the light emitting intensity of the first light source 111.
In some embodiments, the first light source 111 includes a first type light source 121 and a second type light source 131, the first control unit 71 further includes a first intensity ratio control unit one 75, the intensity ratio control unit one 75 is used for controlling the light emitting intensity ratio of the first type light source 121 and the second type light source 131, and the intensity control unit one 74 is used for adjusting the light emitting intensity of the first type light source 121 and the second type light source 131 under the condition of the same light emitting intensity ratio.
As an example, the first light source 121 is warm white light, the second light source 131 is cool white light, and the first intensity ratio control unit 75 is configured to control the ratio of the light intensities of the first light source 121 and the second light source 131, wherein the different light intensity ratios correspond to white lights with different color temperatures.
In this embodiment, the lighting module 60 further includes: the second light emitting module 62, correspondingly, the control module 70 further includes a second control unit 72, the second control unit 72 includes a second intensity control unit 76, and the second intensity control unit 76 is configured to control the second light source 310 to be turned on in the light spot mode, adjust the light emitting intensity of the second light source 310, and further control the second light source 310 to be turned off in the no light spot mode.
In some embodiments, the second light sources 310 include a third type light source 310a and a fourth type light source 310b, the third type light source 310a is used for emitting cold white light, the fourth type light source 310b is used for emitting warm white light, the second control unit 72 further includes an intensity ratio control unit two 77, the intensity ratio control unit two 77 is used for controlling the light emitting intensity ratios of the third type light source 310a and the fourth type light source 310b in the light spot mode, and the different light emitting intensity ratios correspond to white light with different color temperatures.
Specifically, according to the use requirement of the user, when the second light source 310 is turned on, the refraction imaging layer 63 can directionally guide out parallel light or near parallel light, so as to generate natural light spots, thereby enhancing the scene reality and creating a good lighting atmosphere. Therefore, by controlling the second light emitting module 62 through the second control unit 72, different types of daytime lighting modes (a spot mode and a non-spot mode) can be obtained, thereby further improving the illumination performance and the user experience.
And the second control unit 72 can also adjust the light emitting intensity of the second light source 310 to adjust the brightness of the light spot, so as to meet the visual requirement of the user.
In some embodiments, the control module 70 further comprises an automatic mode 73, in which the luminous intensity and the color temperature of the first and second light sources 111 and 310 may be automatically changed over time.
In this embodiment, the control module 70 is coupled to the lighting module 60, so as to control the lighting module 60.
Specifically, the control module 70 may be coupled to the lighting module 60 through one or both of a wired connection (e.g., a wired connection) and a wireless connection (e.g., WIFI).
As an example, the control module is a touch slide control module, and accordingly, each control unit in the control module 70 is a touch slide control unit, and is configured to sense a slide track of a finger and perform control according to the slide track.
In other embodiments, the control module may also be a touch button.
In other embodiments, the control module may also implement a control function in a human-computer interaction manner.
For a specific description of the illumination module in this embodiment, reference may be made to the corresponding description in the foregoing embodiments, and details are not repeated herein.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (20)
1. An illumination module is characterized by comprising a first illumination module and a refraction imaging layer; wherein:
the first lighting module comprises a lighting unit and an image layer, wherein the lighting unit is used for uniformly lighting the image layer, simulating the scene that sunlight uniformly lights a window and a scene outside the window, and making the lighting module look like a real window to bring the window into a room; the light emitting unit comprises a plurality of first light sources, wherein the first light sources comprise at least one type of light source; the image layer and the light-emitting unit are arranged in a stacked mode, and the image layer is arranged above the light-emitting unit along the light-emitting direction of the light-emitting unit;
the refraction imaging layer is a transparent solid layer with the refractive index larger than 1, is arranged with the first light-emitting module in a laminated manner, and is arranged above the first light-emitting module along the light-emitting direction of the first light-emitting module; the refraction imaging layer is used for imaging, and the image layer forms at least one virtual image through the refraction imaging layer, so that a user can see the image layer and the image layer at the same time;
the refraction imaging layer comprises an incident surface and an emergent surface, the incident surface is positioned above the image layer along the light emitting direction of the first light emitting module, the emergent surface is positioned above the incident surface, and the emergent surface is arranged in parallel with the image layer;
the image layer has a light transmittance greater than 10%.
2. The illumination module according to claim 1, wherein the incident surface is provided with a plurality of inclined surface portions and a plurality of planar surface portions, the planar surface portions are arranged in parallel with the exit surface, the inclined surface portions and the planar surface portions are periodically arranged in an X direction and extend in a Y direction, and the X direction is perpendicular to the Y direction; set up at least one between inclined plane portion and the plane portion and predetermine the angle, a plurality of different predetermine the angle and can become a plurality of virtual images through refraction imaging layer.
3. The lighting module according to claim 2, wherein the slope portion comprises a first slope portion and a second slope portion, the planar portion is located on a first reference plane, the slope portion protrudes from the first reference plane in a direction opposite to a light emitting direction of the first light emitting module, a first preset angle between the first slope portion and the X direction is greater than 90 ° and less than 180 °, a second preset angle between the second slope portion and the X direction is greater than 0 ° and less than 90 °, and the planar portion, the first slope portion and the second slope portion are alternately arranged in sequence and periodically.
4. The lighting module of claim 3, wherein the ramp portion comprises a first ramp portion and a second ramp portion, the planar section includes a first planar section and a second planar section, the first planar section being located at a first reference plane, the second plane part is arranged on a second reference plane, the second reference plane is arranged below the first reference plane along the light-emitting direction of the first light-emitting module, the second plane part, the first inclined plane part and the second inclined plane part protrude out of the first reference plane in the direction opposite to the light emitting direction of the first light emitting module, a first preset angle provided between the first inclined surface portion and the X direction is greater than 90 degrees and less than 180 degrees, a second preset angle between the second inclined plane part and the X direction is larger than 0 degree and smaller than 90 degrees, the second inclined plane part, the first inclined plane part and the second plane part are arranged alternately in sequence.
5. The lighting module of claim 3 or 4, wherein a first predetermined angle provided between the first bevel portion and the X direction is 90 °;
or a second preset angle between the second inclined surface part and the X direction is 90 degrees.
6. The lighting module of claim 1, wherein the plurality of first light sources are arranged in a matrix along an X direction and a Y direction, the X direction being perpendicular to the Y direction.
7. The lighting module of claim 1, wherein the light-emitting unit further comprises a flood light element disposed on the optical path of the first light source, the flood light element configured to diffuse the light emitted from the first light source integrally, thereby improving uniformity of the light emitted from the light-emitting unit.
8. The lighting module of claim 7, wherein the floodlight component is a light guide plate or a nanometer light guide plate, the first light source is disposed on at least one side edge of the floodlight component, and the plurality of first light sources are arranged along an X direction or a Y direction;
or the floodlight element is a light diffusion plate, the first light source is arranged below the floodlight element along the light emitting direction of the first light source, the plurality of first light sources are arranged in a matrix along the X direction and the Y direction, and the X direction is perpendicular to the Y direction.
9. The lighting module of claim 1, wherein the first light source comprises two types of light sources, a first type of light source being warm white light, a second type of light source being cool white light; uniformly mixing the first light source and the second light source, and then dispersing and guiding to obtain white light in a certain color temperature range, wherein the color temperature range is greater than or equal to that of warm white light and less than or equal to that of cold white light; the color temperature is changed by adjusting the luminous intensity ratio of the first type light source and the second type light source, and the color temperature of the lamp can be manually adjusted according to the preference of a user in a manual mode.
10. The lighting module according to claim 9, wherein a plurality of first light sources are arranged along an X direction or a Y direction, the first light sources comprise a plurality of first sub light sources, the second light sources comprise a plurality of second sub light sources, and the first sub light sources and the second sub light sources are alternately arranged along the X direction or the Y direction;
or, the plurality of first light sources are arranged in a matrix along an X direction and a Y direction, the first type light source includes a plurality of first sub light sources, the second type light source includes a plurality of second sub light sources, and the first sub light sources and the second sub light sources are alternately arranged along the X direction or the Y direction.
11. The lighting module of claim 1, further comprising a second light module comprising a plurality of second light sources; the second light-emitting module is arranged at the obliquely upper positions of two opposite sides of the refraction imaging layer, the refraction imaging layer is arranged on the light path of the second light-emitting module, and light emitted by the second light-emitting module is guided out directionally according to a preset direction after penetrating through the refraction imaging layer; when the second light source is started, the second light emitting module can directionally lead out parallel light or near parallel light, so that light spots are generated, a scene that sunlight penetrates through a window and shines into a room is presented, and the scene reality sense is enhanced.
12. The lighting module according to claim 1, wherein the first lighting module further comprises a diffuse reflection layer, the diffuse reflection layer is stacked with the lighting unit, and the diffuse reflection layer is disposed below the lighting unit along a light emitting direction of the lighting unit; part of light rays emitted by the light emitting unit do not reach the image layer to form stray light, and the diffuse reflection layer reflects the part of light to the image layer again to improve the light efficiency.
13. The lighting module according to claim 1, wherein the first light-emitting module further comprises a haze layer disposed above the light-emitting unit and below the image layer along the light-emitting direction of the light-emitting unit; the light emitted by the light-emitting unit is led out after penetrating through the haze layer, and the haze layer is used for further integrally dispersing the light to realize further homogenization of the light, so that the reality of the scene is enhanced.
14. A luminaire comprising a lighting module as claimed in any one of claims 1 to 13, and a corresponding control module; the control module is coupled with the lighting module through one or two of wired connection and wireless connection.
15. A light fixture as recited in claim 14, wherein said control module comprises a first control unit comprising a first intensity control unit for controlling an intensity of said first light source.
16. The luminaire of claim 15, wherein the first light source comprises two types of light sources: a first type light source and a second type light source; correspondingly, the first control unit further comprises a first intensity ratio control unit, and the first intensity ratio control unit is used for controlling the luminous intensity ratio of the first type light source and the second type light source.
17. The light fixture of claim 15 wherein the light fixture has a spot mode and a no spot mode; correspondingly, the lighting module further comprises: the second light-emitting module comprises a plurality of second light sources, the second light-emitting module is arranged at the obliquely upper positions of two opposite sides of the refraction imaging layer, and light emitted by the second light-emitting module penetrates through the refraction imaging layer and then is guided out directionally according to a preset direction;
correspondingly, the control module further comprises a second control unit, wherein the second control unit is used for controlling the second light source to be turned on in the light spot mode, adjusting the luminous intensity of the second light source, and turning off the second light source in the no light spot mode.
18. A light fixture as recited in claim 17, wherein the second light source comprises two types of light sources, a third type of light source and a fourth type of light source, the third type of light source being warm white light and the fourth type of light source being cool white light; correspondingly, the second control unit further comprises a second intensity ratio control unit, and the second intensity ratio control unit is used for adjusting the luminous intensity ratio of the third type light source and the fourth type light source in the facula mode.
19. A light fixture as recited in any one of claims 14-18, wherein the control module further comprises an automatic mode in which the luminous intensities of the first and second light sources are automatically varied over time, the luminous intensity ratios of the first and second light sources and the luminous intensity ratios of the third and fourth light sources are automatically varied over time; the color temperature and the luminous intensity of the lamp can be automatically adjusted along with time through the automatic mode lamp, and the fidelity of the lamp simulation window is further improved.
20. The light fixture of claim 19, wherein the control module is a touch slide control module.
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| US20180275498A1 (en) * | 2017-03-24 | 2018-09-27 | Panasonic Intellectual Property Management Co., Ltd. | Illumination apparatus and illumination system |
| CN213599099U (en) * | 2020-11-24 | 2021-07-02 | 奥普家居股份有限公司 | Lighting device with sun visual effect |
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