WO2022100446A1 - Dispositif optique et lampe d'éclairage - Google Patents

Dispositif optique et lampe d'éclairage Download PDF

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Publication number
WO2022100446A1
WO2022100446A1 PCT/CN2021/127022 CN2021127022W WO2022100446A1 WO 2022100446 A1 WO2022100446 A1 WO 2022100446A1 CN 2021127022 W CN2021127022 W CN 2021127022W WO 2022100446 A1 WO2022100446 A1 WO 2022100446A1
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WO
WIPO (PCT)
Prior art keywords
substrate
light control
optical device
light
protrusions
Prior art date
Application number
PCT/CN2021/127022
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English (en)
Chinese (zh)
Inventor
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
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Publication of WO2022100446A1 publication Critical patent/WO2022100446A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • 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
    • F21V5/02—Refractors for light sources of prismatic shape
    • 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
    • F21V5/04—Refractors for light sources of lens shape
    • 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
    • F21V5/08—Refractors for light sources producing an asymmetric light distribution
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements

Definitions

  • the present invention relates to the technical field of lighting equipment, in particular to an optical device and a lighting fixture.
  • the lighting fixture 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.
  • the lighting fixture 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.
  • 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.
  • the invention discloses an optical device and a lighting fixture to solve the problem of the heavy weight of the lighting fixture.
  • 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 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.
  • 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.
  • FIG. 1 is a schematic structural diagram of a first optical device disclosed in an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a second optical device disclosed in an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a third optical device disclosed in an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a fourth optical device disclosed in an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a fifth optical device disclosed in an embodiment of the present invention.
  • FIG. 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;
  • FIG. 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.
  • FIG. 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;
  • FIG. 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;
  • FIG. 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;
  • FIG. 16 is a top view of an optical device disclosed in an embodiment of the present invention.
  • FIG. 17 is an exploded 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.
  • 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,
  • 300-lighting module 310-light-emitting element, 320-light distribution element,
  • 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.
  • 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 .
  • 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.
  • 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.
  • 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
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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 .
  • 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 .
  • 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 .
  • 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.
  • the height and width of the first light control protrusion 151 and the second light control protrusion 153 may be the same.
  • 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 .
  • the heights of the first light control protrusions 151 and the second light control protrusions 153 are different.
  • the widths of the first light control protrusions 151 and the second light control protrusions 153 are different.
  • 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 .
  • 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 .
  • 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 .
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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
  • 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
  • the first angle is different from the second angle.
  • the reflection angles of the first sidewall 1511 and the second sidewall 1512 are different.
  • the difference between the first included angle and the second included angle ranges from -80° to 80°.
  • the first light control protrusion 151 has a larger polarization range.
  • 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.
  • 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.
  • 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
  • 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
  • the third angle is different from the fourth angle.
  • the reflection angles of the third sidewall 1531 and the fourth sidewall 1532 are different.
  • the difference between the third angle and the fourth angle ranges from -80° to 80°.
  • the second light control protrusion 153 has a larger polarization range.
  • 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.
  • 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 .
  • 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.
  • 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 .
  • 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.
  • 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.
  • 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 .
  • 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
  • the third light control protrusions 155 are disposed on the surface of the third substrate 160 .
  • 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.
  • 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 .
  • 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 .
  • 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 .
  • the optical device 100 disclosed in the present application is not limited to the above-mentioned light distribution modes.
  • the first light control protrusions 151 the second light control protrusions 153 and the third light control protrusions 155 .
  • this article only lists several feasible light distribution schemes, which cannot be used to limit the specific structure of the present application.
  • the first substrate 110 , the second substrate 120 and the first support member 130 are one-piece structural members.
  • 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.
  • 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.
  • the first substrate 110 may be provided with a light control structure 150, and the second substrate 120 may be a diffusion plate.
  • the first substrate 110 of the optical device 100 is used for light control
  • the second substrate 120 of the optical device 100 is used for light diffusion.
  • the second substrate 120 can diffuse the light, thereby The anti-glare performance of the optical device 100 is further improved.
  • the optical device 100 can be fabricated by a two-color extrusion molding process.
  • 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.
  • 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.
  • 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 .
  • 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.
  • the diffusion layer may be a semi-transmissive and semi-reflective functional layer.
  • 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 .
  • the diffusion layer may be an ink layer.
  • the diffusion layer may also be made of other diffusion materials, which is not limited herein.
  • 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.
  • 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.
  • the number of the first support members 130 may be multiple, and the multiple first support members 130 may be arranged at intervals.
  • 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 .
  • the first substrate 110 and the second substrate 120 are prevented from being dented, thereby improving the strength of the optical device 100 .
  • 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 .
  • 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 .
  • 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.
  • 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.
  • 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.
  • the volume of the optical device 100 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.
  • part of the first support member 130 may be located in the first optical space 140 .
  • 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 .
  • 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 .
  • 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 .
  • 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.
  • the light first passes through the second substrate 120, and then passes through the second substrate 120.
  • a substrate 110 penetrates out.
  • 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.
  • 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.
  • 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.
  • 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.
  • the fixing bracket 230 can be connected with the lamp body shell 210 by bolts.
  • 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.
  • 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.
  • 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.
  • the projected contour of the diffusion assembly 400 in a direction perpendicular to the first substrate 110 , the projected contour of the first substrate 110 and the projected contour of the second substrate 120 are coincident.
  • 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.
  • 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.
  • 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 .
  • 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.
  • the light distribution element 320 may be a light distribution element.
  • the light distribution element 320 may also be other light distribution structures, which are not limited herein.
  • 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
  • the optical device 100 is located on the side where the light exit end is located.
  • 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.
  • 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.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

Sont divulgués dans la présente invention un dispositif optique et une lampe d'éclairage. Le dispositif optique comprend un premier substrat, un second substrat et un premier élément de support. Le premier substrat et le second substrat sont disposés à l'opposé l'un de l'autre, et le premier élément de support est supporté entre le premier substrat et le second substrat, de telle sorte qu'un premier espace optique est formé entre le premier substrat et le second substrat. Une structure de commande de lumière est disposée sur la surface du premier substrat et/ou du second substrat. Selon la solution, le problème de poids important de la lampe d'éclairage peut être résolu.
PCT/CN2021/127022 2020-11-10 2021-10-28 Dispositif optique et lampe d'éclairage WO2022100446A1 (fr)

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CN213333928U (zh) * 2020-11-10 2021-06-01 欧普照明股份有限公司 照明灯具
CN213513426U (zh) * 2020-11-10 2021-06-22 欧普照明股份有限公司 光学器件及照明灯具

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