WO2022100446A1

WO2022100446A1 - Optical device and illuminating lamp

Info

Publication number: WO2022100446A1
Application number: PCT/CN2021/127022
Authority: WO
Inventors: 李扬; 张清泉; 谢建民
Original assignee: 苏州欧普照明有限公司; 欧普照明股份有限公司
Priority date: 2020-11-10
Filing date: 2021-10-28
Publication date: 2022-05-19
Also published as: CN213513426U

Abstract

Disclosed in the present invention are an optical device and an illuminating lamp. The optical device comprises a first substrate, a second substrate and a first support member. The first substrate and the second substrate are provided opposite to each other, and the first support member is supported between the first substrate and the second substrate, such that a first optical space is formed between the first substrate and the second substrate. A light control structure is provided on the surface of the first substrate and/or the second substrate. According to the solution, the problem of large weight of the illuminating lamp can be solved.

Description

Optical devices and lighting fixtures

technical field

The present invention relates to the technical field of lighting equipment, in particular to an optical device and a lighting fixture.

Background technique

With the improvement of people's living standards, more and more attention is paid to the quality of life. Beautiful lighting will add more beauty to the environment, thus creating a better visual feast for people. In order to form different types of lighting, people have designed various types of lamps, one of which is spotlights, which can be used for local lighting to enhance the atmosphere.

When the light emitted by the lighting fixture has uneven brightness distribution in the user's field of vision, it is easy to form a strong brightness contrast in the user's field of vision, which is easy to cause glare, which is one of the important causes of visual fatigue. In order to reduce the glare of the lighting fixture, the lighting fixture is often provided with a prism plate, and the prism plate can refract the light emitted by the light source module, so as to achieve the effect of light control.

However, the thickness of the prism plate is relatively large, so that the weight of the prism plate is relatively large, which in turn results in the heavy weight of the lighting fixture, which is inconvenient for the installation of the lighting fixture.

SUMMARY OF THE INVENTION

The invention discloses an optical device and a lighting fixture to solve the problem of the heavy weight of the lighting fixture.

In order to solve the above problems, the present invention adopts the following technical solutions:

An optical device, comprising a first substrate, a second substrate and a first support;

The first substrate and the second substrate are disposed opposite to each other, and the first support member is supported between the first substrate and the second substrate so that the first substrate and the second substrate are connected to each other. A first optical space is formed between;

The surface of the first substrate and/or the second substrate is provided with a light control structure.

A lighting fixture, comprising a lamp body shell, a lighting module and the above-mentioned optical device, the optical device and the lighting module are both arranged in the lamp body shell, and the lighting module and the optical device are arranged opposite to each other .

The technical scheme adopted in the present invention can achieve the following beneficial effects:

In the disclosure of the present invention, the surface of the first substrate and/or the second substrate is provided with a light control structure, and the first substrate and/or the second substrate can refract the passing light, so that the optical device can realize the light control effect. The optical device is a two-layer substrate structure, the thickness of the first substrate and the second substrate can be set thinner, and a first support member is arranged between the first substrate and the second substrate, so that the first substrate and the second substrate are A first optical space is formed between the two parts. At this time, the optical device is a hollow structure. Compared with the prism plate of the same thickness, the weight of the optical device of the hollow structure is smaller, so that the weight of the lighting fixture is smaller, which in turn makes the lighting fixture more durable. Installation is more convenient.

Description of drawings

The accompanying drawings described herein are used to provide further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

1 is a schematic structural diagram of a first optical device disclosed in an embodiment of the present invention;

2 is a schematic structural diagram of a second optical device disclosed in an embodiment of the present invention;

3 is a schematic structural diagram of a third optical device disclosed in an embodiment of the present invention;

4 is a schematic structural diagram of a fourth optical device disclosed in an embodiment of the present invention;

5 is a schematic structural diagram of a fifth optical device disclosed in an embodiment of the present invention;

6 is a schematic structural diagram of a sixth optical device disclosed in an embodiment of the present invention;

Fig. 7 is the light distribution curve diagram of the optical device in Fig. 6;

8 is a schematic structural diagram of a seventh optical device disclosed in an embodiment of the present invention;

Fig. 9 is the light distribution curve diagram of the optical device in Fig. 8;

10 is a schematic structural diagram of an eighth optical device disclosed in an embodiment of the present invention;

Fig. 11 is a light distribution curve diagram of the optical device in Fig. 10;

12 is a schematic structural diagram of a ninth optical device disclosed in an embodiment of the present invention;

Fig. 13 is a light distribution curve diagram of the optical device in Fig. 12;

14 is a schematic structural diagram of a tenth optical device disclosed in an embodiment of the present invention;

Fig. 15 is a light distribution curve diagram of the optical device in Fig. 14;

16 is a top view of an optical device disclosed in an embodiment of the present invention;

17 is an exploded view of the first lighting fixture disclosed in the embodiment of the present invention;

18 is a partial cross-sectional view of the first lighting fixture disclosed in the embodiment of the present invention;

FIG. 19 is an exploded view of a second lighting fixture disclosed in an embodiment of the present invention.

Description of reference numbers:

100-optical device, 110-first substrate, 120-second substrate, 130-first support, 140-first optical space, 150-light control structure, 151-first light control protrusion, 1511-first Sidewall, 1512-second sidewall, 152-first groove, 153-second light control protrusion, 1531-third sidewall, 1532-fourth sidewall, 154-second groove, 155-th Three light control protrusions, 156-third groove, 160-third substrate, 170-second support member, 180-second optical space,

210-lamp body shell, 220-end cover, 230-fixing bracket,

300-lighting module, 310-light-emitting element, 320-light distribution element,

400 - Diffusion components,

500-reflector,

600-drive.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the corresponding drawings. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts all belong to the protection scope of the present invention.

The technical solutions disclosed by the various embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in FIG. 1 to FIG. 19 , an embodiment of the present invention discloses an optical device 100 . The disclosed optical device 100 can be installed at the light-emitting place of a lighting fixture, so that the light can pass through the optical device 100 and be irradiated to a position that needs to be illuminated , the disclosed optical device 100 includes a first substrate 110 , a second substrate 120 and a first support 130 .

The first substrate 110 and the second substrate 120 are disposed opposite to each other, and the first support member 130 is supported between the first substrate 110 and the second substrate 120 so that a first optical space 140 is formed between the first substrate 110 and the second substrate 120 .

The surface of the first substrate 110 may be provided with the light control structure 150 , or the surface of the second substrate 120 may be provided with the light control structure 150 , or both the surfaces of the first substrate 110 and the second substrate 120 may be provided with the light control structure 150 . The light control structure 150 refers to a structure capable of passing light and refracting the passing light.

In the embodiments disclosed in the present application, the surface of the first substrate 110 and/or the second substrate 120 is provided with the light control structure 150, and the first substrate 110 and/or the second substrate 120 can refract the passing light, so that the The optical device 100 can realize the function of light control. The optical device 100 is a two-layer substrate structure, the thicknesses of the first substrate 110 and the second substrate 120 can be set thinner, and a first support member 130 is disposed between the first substrate 110 and the second substrate 120, so that the first A first optical space 140 is formed between the substrate 110 and the second substrate 120 . At this time, the optical device 100 is a hollow structure. Compared with the prism plate of the same thickness, the optical device 100 with the hollow structure has a smaller weight, so that the weight of the lighting fixture is smaller, thereby making the installation of the lighting fixture more convenient.

In addition, the optical device 100 has a two-layer substrate structure, so the optical device 100 also has good strength, so that it is not easy to be broken, and has good safety and reliability.

In another optional embodiment, the light control structure 150 may include a plurality of first light control protrusions 151 and a plurality of second light control protrusions 153 . A first groove 152 is formed between any two adjacent first light control protrusions 151 , and a second groove 154 is formed between any two adjacent second light control protrusions 153 .

The first substrate 110 or the second substrate 120 may include a first surface and a second surface disposed opposite to each other, the first light control protrusions 151 may be disposed on the first surface, and the second light control protrusions 153 may be disposed on the first surface. two sides. At this time, the first surface 111 and/or the second surface 112 of the first substrate 110 or the second substrate 120 is uneven, and the uneven first surface 111 and/or the second surface 112 can achieve the effect of refracting light. At this time, the optical device 100 scatters the light, so as to prevent the light emitted by the lighting fixture from directly irradiating the user, thereby preventing the generation of glare. In this solution, the structures of the first light-controlling protrusions 151 and the second light-controlling protrusions 153 are simple, so that the optical device 100 has a simple structure, is convenient to manufacture, and has a low cost.

Optionally, the first light-controlling protrusions 151 and the second light-controlling protrusions 153 may be strip-shaped structures or breakpoint-shaped structures, and of course other structures, which are not limited herein.

In the above embodiment, the first light-controlling protrusion 151 and the second light-controlling protrusion 153 are arranged on different surfaces of the same substrate, so they propagate in the same medium, and light with a large angle can travel in a straight line without the effect of refraction. , thus resulting in poor optical performance of the optical device 100 .

Based on this, in another optional embodiment, the surface of the first substrate 110 may be provided with the first light control protrusions 151 . The surface of the second substrate 120 may be provided with second light control protrusions 153 . In this solution, the first light control protrusions 151 and the second light control protrusions 153 are respectively disposed on the first substrate 110 and the second substrate 120 , and there is a first optical space 140 between the first substrate 110 and the second substrate 120 . , the first optical space 140 is filled with air, so the light passes through different media, so that the refraction effect on the light with a large angle can be enhanced, thereby improving the optical performance of the optical device 100 .

In addition, both surfaces of the first substrate 110 and both surfaces of the second substrate 120 may be provided with the light control structure 150, thereby increasing the installation area of the light control structure 150, thereby enabling the optics to achieve multiple refraction, further The light control effect of the optical device 100 is improved.

Optionally, as shown in FIG. 6 , the height and width of the first light control protrusion 151 and the second light control protrusion 153 may be the same. At this time, the refraction angle of the first light control protrusion 151 and the refraction angle of the second light control protrusion 153 are the same, so that the light is refracted twice and closer to the center of the light source, so that the optical device 100 has a higher concentration of light Effect. The light distribution curve corresponding to the optical device 100 shown in FIG. 6 is shown in FIG. 7 .

In order to satisfy different light control effects of the optical device 100 , in another optional embodiment, the heights of the first light control protrusions 151 and the second light control protrusions 153 are different. Alternatively, the widths of the first light control protrusions 151 and the second light control protrusions 153 are different. Alternatively, the heights and widths of the first light control protrusions 151 and the second light control protrusions 153 are different. In this solution, the heights and/or widths of the first light control protrusions 151 and the second protrusions are different, so that different light control effects can be obtained, thereby further improving the optical performance of the optical device 100 .

Optionally, as shown in FIG. 8 , the widths of the first light control protrusions 151 and the second light control protrusions 153 are the same. The height of the first light control protrusion 151 is smaller than the width of the second light control protrusion 153 . At this time, the refraction angle of the second light control protrusion 153 is larger than the refraction angle of the first light control protrusion 151, so that the light is far away from the center of the light source, so that the optical device 100 has a higher diffusion effect, thereby increasing the size of the optical device 100 irradiated range. The light distribution curve corresponding to the optical device 100 in FIG. 8 is the light distribution curve shown in FIG. 9 .

Optionally, the first light control protrusions 151 may be disposed on the outer surface of the first substrate 110 and/or the inner surface of the first substrate 110 . The second light control protrusions 153 may be disposed on the outer surface of the second substrate 120 and/or the inner surface of the second substrate 120 . The inner surface of the first substrate 110 and the inner surface of the second substrate 120 are disposed opposite to each other.

The structures of the first light control protrusions 151 provided on the outer surface of the first substrate 110 and the light control protrusions provided on the inner surface of the first substrate 110 may be the same, that is, the structures of the first light control protrusions 151 provided on the outer surface of the first substrate 110 may be the same. The height and width of the first light control protrusions 151 and the light control protrusions provided on the inner surface of the first substrate 110 may be the same. Alternatively, the heights of the first light control protrusions 151 provided on the outer surface of the first substrate 110 and the first light control protrusions 151 provided on the inner surface of the first substrate 110 may be different. And/or, the widths of the first light control protrusions 151 provided on the outer surface of the first substrate 110 and the first light control protrusions 151 provided on the inner surface of the first substrate 110 may be different.

The structures of the second light control protrusions 153 provided on the outer surface of the second substrate 120 and the second light control protrusions 153 provided on the inner surface of the second substrate 120 may be the same. The height and width of the second light control protrusions 153 provided on the surface and the second light control protrusions 153 provided on the inner surface of the second substrate 120 are the same. Alternatively, the heights of the second light control protrusions 153 provided on the outer surface of the second substrate 120 and the second light control protrusions 153 provided on the inner surface of the second substrate 120 are different. And/or, the widths of the second light control protrusions 153 provided on the outer surface of the second substrate 120 and the second light control protrusions 153 provided on the inner surface of the second substrate 120 are different.

In another optional embodiment, the first light control protrusions 151 may be strip-shaped structures. The first light control protrusion 151 may have opposite first sidewalls 1511 and second sidewalls 1512 . The first light control protrusion 151 has a first side connected to the surface of the first substrate 110 or the second substrate 120 and a second side away from the surface of the first substrate 110 or the second substrate 120 . In the direction from the first side to the second side, the distance between the first side wall 1511 and the second side wall 1512 gradually decreases.

In this solution, the cross-section of the first light-controlling protrusion 151 perpendicular to its extending direction is a V-shaped cross-section. the reflected light, so as to achieve different light effects of lighting fixtures.

Further, the included angle between the first sidewall 1511 and the surface of the first substrate 110 or the second substrate 120 is the first angle, and the angle between the second sidewall 1512 and the surface of the first substrate 110 or the second substrate 120 is the first angle. The included angle is the second angle, and the first angle is different from the second angle. In this solution, since the angles of the first sidewall 1511 and the second sidewall 1512 and the first substrate 110 and the second substrate 120 are different, the reflection angles of the first sidewall 1511 and the second sidewall 1512 are different. When the first angle is greater than the second angle, the light is deviated to one side of the first side wall 1511; when the second angle is greater than the first angle, the light is deviated to one side of the second angle. Such a structure can improve the polarization performance of the optical device 100 .

Optionally, the difference between the first included angle and the second included angle ranges from -80° to 80°. In this case, the first light control protrusion 151 has a larger polarization range.

Or, in another optional embodiment, the second light control protrusions 153 may be strip-shaped structures. The second light control protrusions 153 may have opposite third sidewalls 1531 and fourth sidewalls 1532 . The second light control protrusions 153 may have a third side connected to the surface of the first substrate 110 or the second substrate 120 and a fourth side away from the surface of the first substrate 110 or the second substrate 120 . In the direction from the third side to the fourth side, the distance between the third side wall 1531 and the fourth side wall 1532 gradually decreases.

In this solution, the cross-section of the second light-controlling protrusion 153 perpendicular to its extending direction is a V-shaped cross-section. the reflected light, so as to achieve different light effects of lighting fixtures.

Further, the included angle between the third sidewall 1531 and the surface of the first substrate 110 or the second substrate 120 is the third angle, and the angle between the fourth sidewall 1532 and the surface of the first substrate 110 or the second substrate 120 is the third angle. The included angle is the fourth included angle, and the third angle is different from the fourth angle. In this solution, since the angles of the third sidewall 1531 and the fourth sidewall 1532 and the first substrate 110 or the second substrate 120 are different, the reflection angles of the third sidewall 1531 and the fourth sidewall 1532 are different. When the third angle is greater than the fourth angle, the light is deviated to one side of the third sidewall 1531; when the fourth angle is greater than the third angle, the light is deviated to one side of the fourth angle. Such a structure can improve the polarization performance of the optical device 100 .

Optionally, the difference between the third angle and the fourth angle ranges from -80° to 80°. In this case, the second light control protrusion 153 has a larger polarization range.

Optionally, as shown in FIG. 10 , the height and width of the first light control protrusion 151 are both smaller than the height and width of the second light control protrusion 153 . The first angle of the first light control protrusion 151 is smaller than the second angle. The third angle of the second light control protrusion 153 is smaller than the fourth angle. At this time, the polarization direction of the first light control protrusion 151 is the same as the polarization direction of the second light control protrusion 153 , thereby increasing the polarization effect of the optical device 100 . The corresponding light distribution curve of the optical device 100 shown in FIG. 10 is shown in FIG. 11 .

Of course, the optical device 100 disclosed in the present application is not limited to the above-mentioned light distribution modes. Different light distribution types can be realized through the cooperation between the first light control protrusion 151 and the second light control protrusion 153 . Several feasible light distribution schemes are listed, which cannot be used to limit the specific structure of the present application.

In another optional embodiment, the optical device 100 further includes a third substrate 160 and a second support 170 . The first substrate 110, the second substrate 120 and the third substrate 160 are sequentially stacked. The second supporter 170 is supported between the second substrate 120 and the third substrate 160 so that a second optical space 180 is formed between the second substrate 120 and the third substrate 160 , the first substrate 110 , the second substrate 120 and the third substrate 160 . At least one of the three substrates 160 is provided with the light control structure 150 .

In this solution, the number of layers of the substrate of the optical device 100 is larger, which further improves the strength of the optical device 100 and further improves the safety and reliability of the optical device 100 .

The optical device 100 disclosed in the present invention is not limited to the above-mentioned three-layer substrate structure, and of course can also have other substrate structures, which are not limited herein.

Optionally, the structure of the second support member may be the same as that of the first support member 130 , which will not be repeated herein.

Optionally, the third substrate 160 may be a diffusion plate, which can improve the diffusion of light, thereby making the light passing through the optical device 100 more uniform, and further improving the anti-glare performance of the optical device 100 .

In another optional embodiment, the light control structure 150 may include a plurality of first light control protrusions 151 , second light control protrusions 153 and third light control protrusions 155 . A first groove 152 is formed between any two adjacent first light control protrusions 151 . A second groove 154 is formed between any two adjacent second light control protrusions 153 . A third groove 156 is formed between any two adjacent third light control protrusions 155 . The first light control protrusions 151 are disposed on the surface of the first substrate 110 , the second light control protrusions 153 are disposed on the surface of the second substrate 120 , and the third light control protrusions 155 are disposed on the surface of the third substrate 160 .

In this solution, the first substrate 110, the second substrate 120 and the third substrate 160 are all provided with the light control structure 150, which further increases the setting area of the light control structure 150, thereby further increasing the number of refractions of the optical device 100. The light control effect of the optical device 100 is further improved.

Further, at least two of the first light control protrusions 151 , the second light control protrusions 153 and the third light control protrusions 155 have different heights. And/or, at least two of the first light control protrusions 151 , the second light control protrusions 153 and the third light control protrusions 155 have different widths. In this solution, by flexibly setting the height and width between the first light control protrusion 151 , the second protrusion and the third light control protrusion 155 , different light distribution effects can be obtained, thereby further improving the optical performance of the optical device 100 .

As shown in FIG. 12 , the width of the first light control protrusion 151 is larger than the widths of the second light control protrusion and the third light control protrusion 155 . The height of the first light control protrusion 151 is smaller than the heights of the first light control protrusion and the second light control protrusion 153 . The second light control protrusion 153 and the third light control protrusion 155 have the same height and width. The optical device 100 with this structure can realize the light distribution of the small-angle batwing. The light distribution curve corresponding to the optical device 100 shown in FIG. 12 is shown in FIG. 13 .

As shown in FIG. 14 , the width of the first light control protrusion 151 is greater than the width of the second light control protrusion 153 . The width of the second light control protrusion 153 is greater than the width of the third light control protrusion 155 . The height of the first light control protrusions 151 is smaller than the height of the second light control protrusions 153 . The height of the second light control protrusions 153 is smaller than that of the third light control protrusions 155 . The optical device 100 with this structure can realize large-angle batwing light distribution. The light distribution curve corresponding to the optical device 100 shown in FIG. 14 is shown in FIG. 15 .

Of course, the optical device 100 disclosed in the present application is not limited to the above-mentioned light distribution modes. Through the cooperation between the first light control protrusions 151 , the second light control protrusions 153 and the third light control protrusions 155 , the For different light distribution types, this article only lists several feasible light distribution schemes, which cannot be used to limit the specific structure of the present application.

In another optional embodiment, the first substrate 110 , the second substrate 120 and the first support member 130 are one-piece structural members. In this solution, the optical device 100 can be formed by using a set of molds, thereby reducing the assembly process between the components in the optical device 100, thereby making the optical device 100 simple in structure, convenient in processing, and low in cost. Optionally, the optical device 100 can be manufactured by an extrusion molding process. In this case, the extrusion molding process can process the optical device 100 of various lengths according to the actual needs of the customer, and the length of the optical device 100 is not limited.

In order to further improve the optical performance of the optical device 100, in another optional embodiment, the first substrate 110 may be provided with a light control structure 150, and the second substrate 120 may be a diffusion plate. In this solution, the first substrate 110 of the optical device 100 is used for light control, and the second substrate 120 of the optical device 100 is used for light diffusion. When the light passes through the second substrate 120, the second substrate 120 can diffuse the light, thereby The anti-glare performance of the optical device 100 is further improved.

When the second substrate 120 is a diffuser plate, since the first substrate 110 and the second substrate 120 are made of different materials, the optical device 100 can be fabricated by a two-color extrusion molding process.

In another optional embodiment, the light control structure 150 may include a first light control protrusion 151 and a second light control protrusion 153 . A first groove 152 is formed between any two adjacent first light control protrusions 151 . A second groove 154 is formed between any two adjacent second light control protrusions 153 . The first light control protrusions 151 may be disposed on the first substrate 110 . The second light control protrusions 153 may be disposed on the side of the second substrate 120 facing the first substrate 110, and a diffusion layer may be disposed on the surface of the side of the second substrate 120 facing away from the second substrate 120. In this solution, both the first substrate 110 and the second substrate 120 are provided with the light control structure 150, so that the light control performance of the optical device 100 can be further improved. A diffusion layer is also provided, and the diffusion layer can diffuse light, so that the light passing through the optical device 100 is more uniform, so that the optical device 100 has better anti-glare performance.

In this solution, both the first substrate 110 and the second substrate 120 are provided with the light control structure 150, so the optical device 100 can be made of the same material, so that the optical device 100 can be fabricated by a single-color extrusion molding process, and the single-color extrusion Since the same material is used in the out-molding process, the affinity and tightness between the various parts of the optical device 100 are better, thereby improving the strength of the optical device 100 . Meanwhile, compared with directly using the second substrate 120 as a diffusion plate, the method of disposing the diffusion layer on the surface of the second substrate 120 is simple in structure and convenient in fabrication, thereby making the fabrication scheme of the optical device 100 simple.

Further, the diffusion layer may be a semi-transmissive and semi-reflective functional layer. In this solution, the diffusing layer can refract light with a small angle, and the diffusing layer can reflect stray light with a large angle, thereby preventing the stray light with a large angle from passing through the diffusing layer, and further improving the anti-glare performance of the optical device 100 .

Optionally, the diffusion layer may be an ink layer. Of course, the diffusion layer may also be made of other diffusion materials, which is not limited herein.

In another optional embodiment, both the first light control protrusions and the second light control protrusions 153 may be strip-shaped structures, and the extension directions of the first light control protrusions 151 and the second light control protrusions 153 are the same as The extending directions of the first support members 130 are the same. In this solution, the extending direction of the first support 130 does not intersect with the extending directions of the first light control protrusions 151 and the second light control protrusions 153 , so that the optical device 100 is extruded. Interference between the light protrusions 151 and the second light control protrusions 153 and the first support member 130 is not easy to occur, so that the manufacturing process of the optical device 100 is simpler.

In order to improve the strength of the optical device 100, in another optional embodiment, the number of the first support members 130 may be multiple, and the multiple first support members 130 may be arranged at intervals. In this solution, the number of the first support members 130 between the first substrate 110 and the second substrate 120 is relatively large, and the plurality of first support members 130 can provide a larger supporting force for the first substrate 110 and the second substrate 120 . Thus, the first substrate 110 and the second substrate 120 are prevented from being dented, thereby improving the strength of the optical device 100 .

In another optional embodiment, the length direction or width direction of the first substrate 110 may be parallel or perpendicular to the length direction of the first support member 130 . In this solution, the first support member 130 supports the first substrate 110 and the second substrate 120 in a direction parallel or perpendicular to the extending direction of the first substrate 110 , so that the first substrate 110 and the second substrate 120 are The supporting force is relatively balanced, thereby improving the safety and reliability of the optical device 100 . In addition, the structure of the optical device 100 with this structure is relatively regular, which is convenient for the optical device 100 to be manufactured by an extrusion molding process.

In another optional embodiment, at least part of the first support member 130 may be disposed along the edge of the first substrate 110 or the second substrate 120, respectively. At this time, the first support 130 is equivalent to the side wall of the optical device 100, so that the strength of the edge of the optical device 100 can be improved, and the first support 130 disposed at the edge of the optical device 100 can also block the dust and water vapor in the external environment into the first optical space 140 , so that the optical performance of the optical device 100 is not easily affected.

In the above embodiment, when the volume of the optical device 100 is large, the volume of the first optical space 140 is made large, so that the first substrate 110 and/or the second substrate 120 are easily recessed toward the first optical space 140, and further The optical performance of the optical device 100 is affected, and at the same time, the optical device 100 is more easily broken. Based on this, in another optional embodiment, part of the first support member 130 may be located in the first optical space 140 . In this solution, the first support member 130 is also provided in the first optical space 140 , so that the optical device 100 has a larger support force in the area near the center, thereby preventing the center of the first substrate 110 and/or the second substrate 120 The area is recessed toward the first optical space 140 , so that the optical performance of the optical device 100 is not easily affected, and at the same time, the optical device 100 is not easily broken, thereby improving the safety of the optical device 100 .

Based on the optical device 100 disclosed in the embodiment of the present application, the embodiment of the present application further discloses a lighting fixture, and the disclosed lighting fixture includes the optical device 100 described in any of the above embodiments. The lighting fixture disclosed in the present application may be a flat panel light, a ceiling light, a ceiling light or a wall light, and of course, other lighting fixtures, which are not limited herein.

The lighting fixture disclosed in the embodiments of the present application may further include a lamp body casing 210 and a lighting module 300. The lamp body casing 210 provides a mounting basis for other components of the lighting fixture, and both the lighting module 300 and the optical device 100 are disposed in the lamp body casing 210 , the lighting module 300 is disposed opposite to the optical device 100 . The lighting module 300 emits light, and the light is emitted through the optical device 100 .

Optionally, the lighting module 300 and the second substrate 120 are located on both sides of the first substrate 110 , that is, the first substrate 110 faces the lighting module 300 . A substrate 110 passes through the second substrate 110 . Of course, the lighting module 300 and the first substrate 110 may be located on both sides of the second substrate 120, that is, the second substrate 120 faces the lighting module 300. At this time, the light first passes through the second substrate 120, and then passes through the second substrate 120. A substrate 110 penetrates out. In the lighting fixture disclosed in this embodiment, the optical device 100 and the lighting module can be flexibly assembled according to the actual situation, and the specific assembly structure of the optical device 100 and the lighting module is defined herein.

In the above embodiment, the optical device 100 is a two-layer substrate structure, the thickness of the first substrate 110 and the second substrate 120 can be set thinner, and the first support member 130 is disposed between the first substrate 110 and the second substrate 120 , so that the first optical space 140 is formed between the first substrate 110 and the second substrate 120. At this time, the optical device 100 is a hollow structure. Compared with the prism plate of the same thickness, the weight of the optical device 100 with a hollow structure is higher. Therefore, the weight of the lighting fixture is smaller, and the installation of the lighting fixture is more convenient.

In the above-mentioned embodiment, a fixing bracket 230 may also be provided on the outer top of the lamp body shell 210, and the fixing bracket 230 is used to connect with the installation foundation, so as to install or hoist the lighting fixture. The installation base can be a ceiling, of course, the installation base can also be other structures, which is not limited in this article. Optionally, the fixing bracket 230 can be connected with the lamp body shell 210 by bolts. Of course, the fixing bracket 230 and the lamp body shell 210 can also be connected in other ways, which are not limited herein.

The lighting fixture disclosed in the present application may further include a driver 600, which is disposed in the lamp housing 210, and is electrically connected to the lighting module 300. The driver 600 is used to drive the lighting module 300 to emit light.

In order to further improve the optical performance of the lighting fixture, in another optional embodiment, the lighting fixture further includes a diffusing component 400, which may be disposed in the lamp housing 210, and may be located between the optical device 100 and the lighting mold. Between groups of 300. In this solution, the light emitted by the lighting module 300 is diffused by the diffusing component 400 and then emitted by the optical device 100. At this time, the lighting fixture is less prone to light spots, thereby improving the optical performance of the lighting fixture.

Specifically, in a direction perpendicular to the first substrate 110 , the projected contour of the diffusion assembly 400 , the projected contour of the first substrate 110 and the projected contour of the second substrate 120 are coincident. In this solution, the area of the first substrate 110 and the area of the second substrate 120 are both equal to the area of the diffusing component 400, so that the diffusing component 400 can cover one side surface of the optical device 100, and the edge of the optical device 100 does not protrude In the diffuser assembly 400, the structure of the lighting fixture is made more compact.

In the above-mentioned embodiment, the lighting module 300 may include the light-emitting element 310 , and the light emitted by the light-emitting element 310 is easily scattered to the surroundings, thereby causing the light utilization rate of the lighting module 300 to be poor. Based on this, in another optional embodiment, the lighting module 300 further includes a light distribution element 320 , and the light distribution element 320 covers the light emitting surface of the light-emitting element 310 . In this solution, the light distribution element 320 can adjust the angle of the light emitted by the light-emitting element 310, thereby improving the utilization rate of the light of the lighting fixture. Optionally, the light distribution element 320 may be a light distribution element. Of course, the light distribution element 320 may also be other light distribution structures, which are not limited herein.

In another optional embodiment, the lighting fixture disclosed in the embodiment of the present application may further include a reflector 500 , the reflector 500 may be disposed on the lamp body shell 210 , and the reflector 500 has a light inlet end and a light outlet end arranged oppositely. , the lighting module 300 is located on the side where the light input end is located, and the optical device 100 is located on the side where the light exit end is located. In this solution, the reflector 500 can reflect the light emitted by the lighting module 300 to change the light emitting direction of the lighting fixture, thereby improving the optical performance of the lighting fixture and helping the lighting fixture to prevent glare.

In another optional embodiment, the lighting fixture disclosed in this embodiment of the present application may further include end caps 220, and the end caps 220 cover both ends of the lamp body shell 210, thereby helping to prevent dust and moisture from entering the lamp body inside the housing 210, thereby improving the waterproof performance and dustproof performance of the lighting fixture.

The above embodiments of the present invention mainly describe the differences between the various embodiments. As long as the different optimization features of the various embodiments are not contradictory, they can be combined to form better embodiments. No longer.

The above descriptions are merely embodiments of the present invention, and are not intended to limit the present invention. Various modifications and variations of the present invention are possible for those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the scope of the claims of the present invention.

Claims

An optical device, comprising a first substrate (110), a second substrate (120) and a first support (130);

The first substrate (110) and the second substrate (120) are disposed opposite to each other, and the first support member (130) is supported between the first substrate (110) and the second substrate (120) , so that a first optical space (140) is formed between the first substrate (110) and the second substrate (120);

The surface of the first substrate (110) and/or the second substrate (120) is provided with a light control structure (150).
The optical device according to claim 1, wherein the light control structure (150) comprises a plurality of first light control protrusions (151) and a plurality of second light control protrusions (153), any two adjacent ones of which are A first groove (152) is formed between the first light control protrusions (151), and a second groove (154) is formed between any two adjacent second light control protrusions (153);

The first substrate (110) or the second substrate (120) includes a first surface and a second surface arranged opposite to each other, and the first light control protrusion (151) is arranged on the first surface, so The second light control protrusion (153) is arranged on the second surface.
The optical device according to claim 1, wherein the light control structure (150) comprises a plurality of first light control protrusions (151) and a plurality of second light control protrusions (153), any two adjacent light control protrusions (153). A first groove (152) is formed between each of the first light control protrusions (151), and a second groove (154) is formed between any two adjacent second light control protrusions (153). ;

The surface of the first substrate (110) is provided with the first light control protrusions (151), and the surface of the second substrate (120) is provided with the second light control protrusions (153).
The optical device according to claim 2 or 3, wherein the heights of the first light control protrusion (151) and the second light control protrusion (153) are different; and/or,

The widths of the first light control protrusions (151) and the second light control protrusions (153) are different.
The optical device according to any one of claims 1 to 3, wherein the first light control protrusions (151) are strip-shaped structures, and the first light control protrusions (151) have opposite A side wall (1511) and a second side wall (1512), the first light control protrusion (151) has a first light control protrusion (151) connected with the surface of the first substrate (110) or the second substrate (120) one side and a second side remote from the surface of the first substrate (110) or the second substrate (120), in the direction of the first side to the second side, the first sidewall The distance between (1511) and the second side wall (1512) gradually decreases; and/or,

The second light control protrusion (153) is a strip-shaped structure, the second light control protrusion (153) has a third side wall (1531) and a fourth side wall (1532) opposite to each other, and the third side wall (1531) and the fourth side wall (1532). The second light control protrusion (153) has a third side connected to the surface of the first substrate (110) or the second substrate (120) and away from the first substrate (110) or the second substrate The fourth side of the surface of (120), the distance between the third side wall (1531) and the fourth side wall (1532) is gradually in the direction of the third side to the fourth side decrease.
The optical device according to claim 5, wherein the included angle between the first side wall (1511) and the surface of the first substrate (110) or the second substrate (120) is a first angle, so The included angle between the second side wall (1512) and the surface of the first substrate (110) or the second substrate (120) is a second angle, and the first angle is different from the second angle ;and / or,

The included angle between the third side wall (1531) and the surface of the first substrate (110) or the second substrate (120) is a third angle, and the fourth side wall (1532) and the surface of the second substrate (120) are the third angle. The included angle between the surfaces of the first substrate (110) or the second substrate (120) is a fourth included angle, and the third angle is different from the fourth angle.
The optical device according to claim 6, wherein the difference between the first included angle and the second included angle ranges from -80° to 80°; and/or,

The third included angle and the fourth included angle are between -80° and 80°.
The optical device according to claim 1, wherein the optical device (100) further comprises a third substrate (160) and a second support (170), the first substrate (110), the second substrate (120) and the third substrate (160) are stacked in sequence, and the second support (170) is supported between the second substrate (120) and the third substrate (160), so that all A second optical space (180) is formed between the second substrate (120) and the third substrate (160), the first substrate (110), the second substrate (120) and the third substrate At least one of (160) is provided with the light control structure (150).
The optical device according to claim 8, wherein the light control structure (150) comprises a plurality of first light control protrusions (151), a plurality of second light control protrusions (153) and a plurality of third light control protrusions A light protrusion (155), a first groove (152) is formed between any two adjacent first light control protrusions (151), and any adjacent two second light control protrusions ( A second groove (154) is formed between 153), a third groove (156) is formed between any two adjacent third light control protrusions (155), and the first light control protrusion ( 151) is disposed on the surface of the first substrate (110), the second light control protrusions (153) are disposed on the surface of the second substrate (120), and the third light control protrusions (155) arranged on the surface of the third substrate (160).
The optical device according to claim 9, wherein at least two of the first light control protrusion (151), the second light control protrusion (153) and the third light control protrusion (155) and/or the width of at least two of the first light control protrusion (151), the second light control protrusion (153) and the third light control protrusion (155) different.
The optical device according to claim 1, wherein the first substrate, the second substrate (120) and the first support member (130) are all one-piece structural members.
The optical device according to claim 1, wherein the first substrate (110) is provided with a light control structure (150), and the second substrate (120) is a diffuser plate.
The optical device according to claim 1, wherein the light control structure (150) comprises a first light control protrusion (151) and a second light control protrusion (153), and any two adjacent light control protrusions (153) A first groove (152) is formed between a light control protrusion (151), and a second groove (154) is formed between any two adjacent second light control protrusions (153). A light control protrusion (151) is disposed on the first substrate (110), and the second light control protrusion (153) is disposed on the second substrate (120) facing the first substrate (110). On one side, a diffusion layer is provided on the surface of the side of the second substrate (120) facing away from the second substrate (120).
A lighting fixture, comprising a lamp body shell (210), a lighting module (300) and the optical device according to any one of claims 1 to 13, the optical device (100) and the lighting module (300) are all disposed on the lamp body shell (210), and the lighting module (300) is disposed opposite to the optical device (100).
The lighting fixture according to claim 14, wherein the lighting fixture further comprises a diffusion assembly (400), the diffusion assembly (400) is disposed in the lamp body casing (210), and the diffusion assembly (400) is located in the between the optical device (100) and the lighting module (300).
The lighting fixture according to claim 14, wherein the lighting module (300) comprises a light-emitting element (310) and a light-distribution element (320), and the light-distribution element (320) covers the light-emitting element (310). ) of the light-emitting surface.
The lighting fixture according to claim 14, wherein the lighting fixture further comprises a reflector (500), the reflector (500) is disposed on the lamp housing (210), and the reflector (500) has With respect to the oppositely arranged light input end and light output end, the lighting module (300) is located on the side where the light input end is located, and the optical device (100) is located on the side where the light output end is located.