Lighting device

Abstract

A lighting device comprising an environmentally friendly material. The lighting device includes a support that supports a light emitting element and a reflector, the support may be fitted within a tube of a housing. The support and tube are formed from different cellulosic fiber materials. The housing at least partially accommodates the light emitting element and the reflector when the support is inserted into the tube.

Description

Technical Field

[0001] This invention relates to the field of lighting devices, and more particularly to lighting devices comprising recyclable materials. Background Technology

[0002] Our reliance on artificial lighting is increasing in daily life. Traditionally, lighting fixtures or lamps used to provide artificial light are formed from metal or plastic components. In particular, and very commonly, the housing and structural supports for lighting fixtures are formed from metal or plastic components. Disadvantageously, components made of such materials add significant weight to the luminaire and are difficult to assemble (e.g., requiring screws and / or adhesives).

[0003] One proposed method for reducing the environmental impact of lighting fixtures is to replace metal or plastic housings / supports with housings / supports made of paper-based materials (such as cardboard or paperboard).

[0004] There is a continued need to improve the performance, stability, and lifespan of lighting fixtures, especially those that include components made from environmentally friendly materials such as paper-based materials.

[0005] US9488320B1 discloses a lighting system that includes a set of components fully assembled inside a transport container.

[0006] US20160327241A1 discloses a luminaire assembly that includes a dimensionally stable housing and a hollow waveguide core.

[0007] WO2017029147A1 discloses a luminaire including a luminaire housing defined by a light outlet structure that engages with the edge of a flexible container.

[0008] WO 2023021316A1 discloses a luminaire for fixed installation or as a suspended luminaire. Summary of the Invention

[0009] This invention is defined by the claims.

[0010] According to an example of one aspect of the present invention, a lighting device is provided, comprising: a housing including a tube of a first cellulose fiber material; a support member of a second cellulose fiber material, the second cellulose fiber material being different from the first cellulose fiber material; a light-emitting element supported by the support member, the light-emitting element being configured to emit light; and a reflector for the light-emitting element, the reflector being supported by the support member, wherein the support member is fitted into the tube of the first cellulose fiber material such that, when the lighting device is assembled, the light-emitting element and the reflector are at least partially accommodated by the housing.

[0011] This disclosure provides a lighting device in which the support and housing for the lighting element are formed of a biodegradable and recyclable material. More specifically, the support can be inserted into a tube (of cellulose fiber material) to facilitate ease of assembly and increase the simplicity of manufacturing at least the support, as well as reduce material costs.

[0012] The proposed method also avoids the need for a dedicated fastening mechanism between the support and the housing. In particular, by assembling the support into the housing, the support presses against the housing to secure it.

[0013] In the context of this disclosure, cellulose fibrous material is any material formed from cellulose fibers (i.e., fibers derived from plants). How to obtain cellulose fibers from the bark, wood, stem, leaves, or any other part of a plant is well known.

[0014] The support member can be a foldable support member, configured to fit into a tube of the first cellulose fiber material when folded. Constructing the support member as a foldable support member increases the ease of manufacturing the support member and reduces the space or volume occupied by the support member, thereby increasing ease of delivery and pre-installation movement, for example. In particular, by constructing the support member as a foldable support member, it can be manufactured using existing techniques that do not require rigid preparation of pulp material.

[0015] The foldable support can be folded between an unfolded state and a folded state. In the unfolded state, the foldable support cannot be assembled into the tube of the first cellulose fiber material, and in the folded state, the foldable support can be assembled into the tube of the first cellulose fiber material.

[0016] In some examples, the foldable support is configured such that: when the foldable support is in the unfolded state, the light-emitting element and / or reflector are not fixed to the foldable support; and / or when the foldable support is in the folded state, the light-emitting element and / or reflector are fixed to the foldable support.

[0017] In some examples, the reflector is a pre-formed reflector. Alternatively, the reflector is attached to the inner wall of the support using, for example, a sheet of double-sided pressure-sensitive adhesive (PSA).

[0018] In some examples, the reflector deforms at least partially during the assembly of the lighting device. For example, the sides of the reflector may deform when supported by a support member.

[0019] In some examples, the reflector includes a foldable reflector configured to move between a folded reflector configuration and a folded reflector configuration. This effectively allows the reflector to bend or otherwise fold into place during the assembly of the lighting fixture.

[0020] The first cellulose material can be formed from cardboard and / or paper rolls; and / or the second cellulose material can be compressed pulp. The pulp can be formed, for example, from bagasse and / or recycled paper. Other forms of pulp are readily apparent to those with appropriate skills.

[0021] The tube of the first cellulose fiber material may include a light-emitting window that is positioned to allow light emitted by the light-emitting element to leave the housing when the lighting device is assembled.

[0022] The lighting device may further include a diffuser plate positioned between the inner wall of the tube and the support, the diffuser plate having a thickness of at least 0.5 mm. In some examples, the diffuser plate has a thickness of no more than 2 mm (e.g., no more than 1.2 mm).

[0023] In some instances, the support is configured such that when the support is fitted into a tube of the first cellulose fiber material, the friction between the support and the tube restricts the movement of the support relative to the tube.

[0024] The lighting device may further include at least one end cap, each end cap being configured to cover the corresponding end of the tube of the first cellulose fiber material after the lighting device is assembled.

[0025] Each end cap may be formed as part of a support. Specifically, each end cap may be foldably connected to the remainder of the support.

[0026] The lighting device may include one or more suspension elements supported by the support member for suspending the lighting device.

[0027] The support member may include: a base for supporting the light-emitting device; and a first sidewall and a second sidewall, each sidewall being foldably connected to the base and configured to secure the reflector between the first sidewall and the second sidewall and the base when folded relative to the base.

[0028] In some examples, the foldable support cannot be fitted inside the tube of the first cellulose fiber material when the first and second sidewalls are unfolded relative to the base.

[0029] The support is a molded support. This method increases the ease of manufacturing the support and reduces its complexity, providing a lighting device that is easier to manufacture.

[0030] A method for assembling a lighting device is also proposed, the method comprising: obtaining a housing comprising a tube of a first cellulose fiber material; obtaining a foldable support of a second cellulose fiber material; positioning a light-emitting device and a reflector on the foldable support; folding the foldable support to secure the light-emitting device and the reflector to the support; and inserting the foldable support into the tube of the first cellulose fiber material.

[0031] These and other aspects of the invention will become apparent and will be elucidated with reference to the embodiments described below. Attached Figure Description

[0032] To better understand the invention and to more clearly show how it can be practiced, it will now be described by way of example only with reference to the accompanying drawings, in which: Figure 1 An exploded view of the proposed lighting device is provided; Figure 2 A support structure for use with the proposed lighting device is shown; Figure 3 Another view of the support structure is provided; Figure 4 and Figure 5 The support structure for the reflector is shown; Figure 6 , 7 Figures 8 and 9 show the support members that support the reflector and the light-emitting element; Figure 10 and Figure 11 The assembled lighting device is shown. Detailed Implementation

[0033] The invention will be described with reference to the accompanying drawings.

[0034] It should be understood that while the detailed description and specific examples indicate exemplary embodiments of the devices, systems, and methods, these descriptions and examples are for illustrative purposes only and are not intended to limit the scope of the invention. These and other features, aspects, and advantages of the devices, systems, and methods of the invention will be better understood from the following description, the appended claims, and the accompanying drawings. It should be understood that the drawings are schematic only and not drawn to scale. It should also be understood that the same reference numerals are used throughout the drawings to denote the same or similar parts.

[0035] This invention provides a lighting device comprising environmentally friendly materials. The lighting device includes a support member that supports a light-emitting element and a reflector, the support member being assembled within a tube of a housing. The support member and the tube are formed of different cellulose fiber materials. When the support member is inserted into the tube, the housing at least partially accommodates the light-emitting element and the reflector.

[0036] Figure 1 An exploded view of the proposed lighting device 100 is provided to enhance understanding of the context. The lighting device 100 includes a housing 110, which includes a tube 111 made of a first cellulose fiber material. The lighting device also includes a support 120, a light-emitting element 130, and a reflector 140. Optionally, the lighting device 100 may further include a diffuser 150 and / or one or more suspension elements 161, 162.

[0037] As shown, the lighting device 100 is preferably an elongated lighting device. However, this is not necessary, and other shapes and / or designs of the lighting device 100 will be readily apparent to a person of adequate skill.

[0038] The tube 111 takes the form of a hollow prism or cylinder having at least one (end) opening or hole 115 to allow access to or facilitate entry into the hollow interior 116 of the tube 111. In the example shown, the tube 111 takes the form of a hollow cuboid, but other suitable prisms are known to those skilled in the art (e.g., a hollow cube).

[0039] The support 120 is formed of a second cellulose fiber material, different from the first cellulose fiber material. In the context of this disclosure, cellulose fiber material is any material formed from cellulose fibers (i.e., plant-derived fibers). How to obtain cellulose fibers from the bark, wood, stem, leaves, or any other part of a plant is well known.

[0040] The housing 110 can be used to provide structural rigidity for the lighting device, wherein the support 120 is used to define the position of the light-emitting element 130 and / or reflector 140 relative to the housing. To achieve this purpose, the tube 111 of the housing 110 can be formed of a cellulose fiber material that is harder or more rigid than the support 120. For example, the first cellulose material can be formed of cardboard and / or paper rolls (e.g., kraft paper rolls), and the second cellulose material can be formed of compression-molded pulp.

[0041] This method increases ease of manufacture because it makes it easier to form position-defining elements using materials with lower rigidity. The proposed method provides an easy-to-manufacture lighting device without sacrificing the overall rigidity of the lighting device.

[0042] More specifically, the support can be formed from molded pulp. This means the support can be formed in a single compression molding process, increasing ease of manufacture with low material costs. The pulp can be formed, for example, from bagasse and / or recycled paper. Other forms of pulp are readily apparent to those with appropriate skills.

[0043] The support member 120 is configured to support the light-emitting element 130 and the reflector 140. Specifically, the support member 120 is configured to provide structural support to the light-emitting element and the reflector to, for example, couple the two elements together and / or define the position of the two elements relative to each other.

[0044] The support 120 is also configured to fit inside the tube 111, for example, by sliding through an opening 115 in the tube 111 to fit within the hollow interior 116 of the tube. When the support 120 is fitted inside the tube, the tube 111 and the support 120 are assembled together. More specifically, when installed inside the tube, the support 120 can generate frictional forces that limit the movement of the support relative to the tube. More specifically, the support 120 can generate frictional forces with the inner surface of the tube, which defines or defines the hollow interior 116 of the tube 111. Therefore, the external dimensions of the support 120 can match or complement the internal dimensions of the tube 111.

[0045] The light-emitting element 130 may include one or more light-emitting arrangements, for example, each light-emitting arrangement includes one or more light-emitting diodes. In a preferred example, each light-emitting arrangement includes a strip of light-emitting features (e.g., a string of LEDs on a PCB).

[0046] The light-emitting element 130 may, for example, comprise one or more light-emitting arrangements mounted or supported by a substrate. The substrate may be formed, for example, from a cellulose material (such as cardboard). However, in other instances, the substrate may be formed from another material, such as a PCB, ceramic, silica, alumina, or metal. This may be desirable for improved fire safety.

[0047] Reflector 140 can be a pre-formed reflector, such as a non-foldable reflector. The reflector can be formed from any suitable reflective material, but is preferably formed from a cellulose material, such as white cardboard or white pulp material. In some instances, reflector 140 can be formed from a sheet of paper or plastic loaded with a highly reflective material (e.g., TiO2, BaSO4, etc.). Typically, reflectors are configured to redirect light emitted by a light-emitting element to, for example, define or control the beam angle of light output from an illumination device. Suitable exemplary shapes and designs for reflectors, particularly for elongated illumination devices, are well known in the art.

[0048] The cross-sectional shape of the reflector 140 may be generally conical, for example, when the lighting device 100 is assembled and is positioned in the direction toward the light-emitting element 130.

[0049] The support member 120 is preferably a foldable support member, allowing it to be folded between a folded and unfolded state. In a preferred example, the foldable support member cannot be fitted inside the tube when in the unfolded state. Therefore, during the assembly of the lighting device, the support member 120 should be folded and then inserted or fitted inside the tube.

[0050] In some examples, the support 120 is configured to secure only the light-emitting element and / or reflector to it when in the folded state. Thus, when in the unfolded state, the light-emitting element and / or reflector can be removed from the support 120.

[0051] However, the support does not have to be a foldable support. Alternative embodiments of the support may include a rigid (i.e., non-foldable support) one that is sized to fit within the tube 111 of the housing 110.

[0052] The tube 111 may include or define a light emission window 112. The light emission window 112 may be formed, for example, by an opening or through hole in the sidewall of the tube 111. The light emission window is configured to allow light emitted by the light-emitting element to exit through it, for example, by leaving the housing and thus leaving the lighting device, once the lighting device is assembled.

[0053] The following is for reference. Figures 2 to 11 The method for assembling the proposed lighting device is described. These figures illustrate the different stages of assembly for the proposed lighting device. Where applicable, additional optional features and characteristics of the elements of the lighting device will be described to enhance understanding of the context.

[0054] For reference Figures 2 to 11 To explain the purpose of the lighting device, support member 120 is a foldable support member.

[0055] First, such as Figure 2 and 3 As shown, there are [materials] for assembly in the tube (in [the tube]). Figure 2 The foldable support 120 is not visible in the middle. The foldable support 120 is initially in the unfolded state and may not be able to be fitted into the tube, for example, because it is too wide to fit through the (end) hole of the tube.

[0056] The foldable support 120 includes a base 121, a first sidewall 122, and a second sidewall 123. In order to move the foldable support from an unfolded state to a folded state, the first sidewall 122 and the second sidewall 123 are folded toward the base 121.

[0057] like Figure 4and Figure 5 As shown, the reflector 140 (and preferably, the light-emitting element) is positioned on the support 120, specifically on the base 121 of the support 120. Figure 6 and 7 As shown, the first and second sidewalls are then folded toward the base 121 of the support, thereby securing the reflector 140 (and preferably the light-emitting element 130) to the support 120.

[0058] Perhaps Figure 7 As best shown, the first sidewall and the second sidewall may each include at least one first retaining element or surface and at least one second retaining element, the at least one first retaining element or surface being configured to retain or limit the movement of the reflector 140 relative to the base 121, and the at least one second retaining element being configured to retain or limit the movement of the light-emitting element 130 relative to the base 121.

[0059] In the illustrated example, the light-emitting element 130 and the reflector 140 are configured such that the light-emitting element is fitted within a slot 141 defined by the reflector 140. When folded relative to the base, the first and second sidewalls of the support 120 will contact the reflector 140 (e.g., at fixed positions 711, 712, 721, 722). This contact can be effectively used to clamp the reflector 140 to the base 121, thereby clamping the light-emitting element 130 to the base. In this way, the support 120 can selectively secure the reflector 140 and / or the light-emitting element 130.

[0060] In some examples, the support 120 is configured to engage with one or more exposed ends of the reflector 140, thereby securing the reflector to the support. More specifically, when the support 120 is in a folded state, the sidewalls of the support 120 can clamp the light-emitting element to the base.

[0061] In some instances, reflector 140 may include a base portion 142 that defines a slot 141 for receiving light-emitting element 130. This slot may, for example, engage with one side of light-emitting element 130. Reflector 140 may also include a tapered portion 143 that widens with increasing distance from the base portion 142, for example, tapering towards the base portion, to serve as a reflective portion of the light-emitting element. The initial width of the tapered portion 143 may be smaller than the width of the base portion at its closest end to the base portion.

[0062] Support 120 can be configured such that: when in a folded state (e.g. Figure 7When the support member is folded, it defines a holding region that restricts the movement of the reflector (e.g., movement away from the base 121 of the support member). Specifically, the support member 120 may define one or more holding surfaces 721, 722 configured to restrict the movement of the base portion 142 of the reflector 140 away from the base 121 of the support member 120 when the support member 120 is folded.

[0063] Each sidewall may be shaped to provide structural support for the reflector 140 (particularly the tapered portion 143 of the reflector) and to contact the inner surface of the tube. Specifically, each sidewall may include one or more reflector supports 122A, 122B and one or more tube contacts 122C. The reflector supports may be configured to structurally support the tapered portion of the reflector. The advantage of the curved sidewalls 122 and 123 is that this curvature provides additional mechanical strength to keep these sidewalls rigid.

[0064] In some instances, although not shown, the reflector may be configured such that one or more portions of the reflector deform or move when the support moves from an unfolded state to a folded state, upon engagement or contact with the reflector by the support. Specifically, the sidewalls of the support may deform one or more reflector sidewalls of the reflector. In some instances, the deformation of the reflector sidewalls produces a tapered shape for the tapered portion 143 of the reflector (e.g., the tapered portion may be non-tapered before contacting the support).

[0065] For example, the support 120 may include one or more contact surfaces 711, 712 that contact the reflector and deform the reflector to define the shape of the tapered portion 140 of the reflector.

[0066] However, in other solutions, the contact surfaces 711, 712 can alternatively be simply joined and / or contacted to a fixed shape of the reflector, for example, the reflector can be pre-formed.

[0067] The support is designed to have an opening side 750 through which light emitted from the light-emitting element 130 is output. When the support supports the light-emitting element and the reflector, the opening side 750 of the support can be opposite to the base portion 142 of the reflector 140.

[0068] Optionally, the lighting device includes at least one end cap 124, 125. Each end cap is configured to cover the corresponding end of the tube 111 of the first cellulose fiber material after the lighting device is assembled.

[0069] In the example shown, the support 120 itself includes end caps. In particular, end caps 124, 125 are foldably connected to the remainder of the support, for example, to the base 121 of the support.

[0070] like Figure 8 and Figure 9 As shown, the end cap folds upward toward the base 121. This configures the support 120 to enter the folded state for insertion into the tube 111. Once the support 120 is inserted into the tube, the end cap can be used to reduce or prevent material from entering the tube, and / or reduce or prevent light from escaping through the (end) hole 115 of the tube 111.

[0071] End caps 124 and 125 can also be used to provide additional structural support for the support member 120. Specifically, when folded upward toward the base, the end caps can prevent or limit the unfolding of the side walls 122 and 123 of the foldable support member 120. More specifically, when in the folded state, the end caps can engage with the ends of the support member to define the position of the side walls 122 and 123 relative to the base. Thus, end caps 124 and 125, in addition to covering the ends of the support member 120, also provide structural support for the support member 120.

[0072] After the support member is folded into its folded state, it is inserted into the tube 111 through the (end) hole 115. More specifically, the support member is positioned and / or arranged such that the open side 750 of the light support member is aligned with the light emission window 112 of the tube 111. This ensures that light emitted by the light-emitting element is emitted through the open side 750 of the support member 120 and exits through the light emission window 112 of the tube 111.

[0073] The light-emitting element 130 and the reflector 140 are housed within the tube 111 by inserting the support 120 into the tube 111.

[0074] Figure 10 and Figure 11 The assembled lighting device is shown after the support 120 has been inserted into the tube 111.

[0075] Optional end caps are used to block the (end) hole of tube 111, for example, to reduce the visibility of components housed within the tube, reduce light emission through the (end) hole 115 of the tube, and / or reduce the likelihood of material entering the interior of the tube. End caps also increase the contact area between support 120 and tube 111, thereby increasing the friction between support 120 and tube 111.

[0076] As previously described, the lighting device 100 may optionally include a diffuser 150. If present, the diffuser is configured to cover the light emission window 112. Specifically, the diffuser 150 is positioned between the light emission window 112 of the tube 111 and the support member 120.

[0077] For example, see Figure 7The diffuser 150 can be positioned or supported on the diffuser surface 760 of the support 120. In this way, when the support is inserted or assembled into the tube 111, the diffuser 150 can be held between the support 120 and the tube 111.

[0078] The diffuser 150 is configured to scatter and / or diffuse light transmitted through it. This increases the uniformity of the light emitted by the illumination device 100 and / or reduces glare. Examples of diffusers are well known in the art.

[0079] Preferably, the diffuser is also formed of a cellulose fiber material, such as paper or rice paper. This further improves the recyclability of the lighting device. In a preferred example, the diffuser is at least 0.5 mm thick to promote light transmission and diffusion. In some examples, the diffuser is no more than 2 mm thick, for example, no more than 1 mm, and is between 0.5 mm and 1.2 mm.

[0080] It has been recognized that when the tube 110 of cellulose fiber material is cut to create, for example, light emission windows 112 on its sidewalls, the tube typically deforms due to the release of internal stress after the opening. The most significant deformation will occur toward the center of the light emission window, causing the light emission window 112 to contract or narrow (i.e., decrease in size). Providing a support 120 into the tube 110 will at least partially reverse the contraction or narrowing of the light emission window (i.e., expand the light emission window). Providing a diffuser 150 of sufficient thickness can further help reverse the contraction or narrowing of the light emission window (i.e., by expansion).

[0081] Therefore, the use of a diffuser sheet with sufficient thickness enhances the structural support of the shell.

[0082] As previously described, one or more suspension elements 161, 162 are disposed on top of the lighting fixture 100. The suspension elements may be configured to facilitate suspending or mounting the lighting fixture 100, for example, from a ceiling or other surface. (As may be provided by...) Figure 1 As best illustrated, each suspension element may include a first suspension portion 161 positioned on one side (e.g., the inner side) of the tube 111 and a second suspension portion 162 positioned on the other side (e.g., the outer side) of the tube 111. The two suspension portions can effectively clamp the tube to secure the suspension element to the remainder of the lighting device.

[0083] In a preferred embodiment, the suspension element may be at least partially supported by the support member 120. Specifically, the lighting device may be configured such that, after assembly, the support member 120 (e.g., its base 121) is positioned between the first suspension portion 161 and the second suspension portion 162 of each suspension element.

[0084] Specifically, each second suspension section 161 can be supported by a support member 120. This can be achieved through... Figure 2 Best shown, Figure 2 An exemplary location of the second suspension portion (one or more) 162 is shown. One or more cables for power supply and / or lighting control may also pass through this suspension element.

[0085] More specifically, the support 120 (and preferably the base 121 of the support) may include one or more suspension holes through which the first suspension element can be reached. The tube 111 may include corresponding holes to facilitate the extension of the first suspension element through one or more suspension holes of the support 120.

[0086] Although not explicitly shown for clarity, lighting devices may include additional components such as drive circuitry, one or more mounting bases, sensing circuitry, monitoring circuitry, control circuitry, etc.

[0087] By studying the accompanying drawings, this disclosure, and the appended claims, those skilled in the art can understand and implement variations of the disclosed embodiments in practicing the claimed invention. In the claims, the word "comprising" does not exclude other elements or steps, and the indefinite articles "a" or "an" do not exclude a plurality.

[0088] The mere fact that certain measures are described in mutually different dependent claims does not imply that a combination of these measures cannot be used advantageously.

[0089] If the term "suitable" is used in the claims or description, it should be noted that the term "suitable" is intended to be equivalent to the term "configured as". If the term "arranged" is used in the claims or description, it should be noted that the term "arranged" is intended to be equivalent to the term "system", and vice versa.

[0090] Any reference symbols in the claims should not be construed as limiting the scope.

Claims

1. A lighting device (100), comprising: A housing (110) comprising a tube (111) of a first cellulose fiber material. The support member (120) is a second cellulose fiber material, which is different from the first cellulose fiber material; A light-emitting element (130) supported by the support member, the light-emitting element being configured to emit light; as well as Reflector (140), which is used for the light-emitting element and is supported by the support member, The support is fitted into a tube of the first cellulose fiber material such that when the lighting device is assembled, the light-emitting element and the reflector are at least partially housed by the housing. The support member is a foldable support member, which is configured to be assembled into the tube of the first cellulose fiber material when folded. The foldable support member can be folded between the following states: The structure is in an unfolded state, wherein the foldable support cannot be fitted into the tube of the first cellulose fiber material; and in a folded state, wherein the foldable support can be fitted into the tube of the first cellulose fiber material. The foldable support is configured such that when the foldable support is in the folded state, the light-emitting element and / or reflector is fixed to the foldable support.

2. The lighting device (100) according to claim 1, wherein, The reflector (140) is a pre-formed reflector.

3. The lighting device (100) according to claim 1 or 2, wherein: The first cellulose material is formed from cardboard and / or paper rolls; and / or The second cellulose material is compression-molded pulp.

4. The lighting device (100) according to any one of claims 1 to 3, wherein, The tube (111) of the first cellulose fiber material includes a light emission window (112) which is positioned to allow light emitted by the light-emitting element to exit the housing (110) when the lighting device (100) is assembled.

5. The lighting device (100) according to claim 4 further includes a diffuser (150) positioned between the inner wall of the tube (111) and the support (120), the diffuser having a thickness of at least 0.5 mm.

6. The lighting device (100) according to claim 1, wherein, The foldable support is configured such that: When the foldable support is in the unfolded state, the light-emitting element and / or reflector are not fixed to the foldable support.

7. The lighting device (100) according to any one of claims 1 to 6, wherein, When the support is assembled into the tube of the first cellulose fiber material, the friction between the support and the tube restricts the movement of the support relative to the tube.

8. The lighting device (100) according to any one of claims 1 to 7 further includes at least one end cap (124, 125), each end cap being configured to cover the corresponding end of the tube (111) of the first cellulose fiber material when the lighting device is assembled.

9. The lighting device (100) according to claim 8, wherein, Each end cap (124, 125) is formed as part of the support.

10. The lighting device (100) according to any one of claims 1 to 9 further includes one or more suspension elements (161, 162) for suspending the lighting device supported by the support member.

11. The lighting device (100) according to any one of claims 1 to 10, wherein, The support member includes: Base (121) for supporting the light-emitting device (130); and A first sidewall (122) and a second sidewall (123), each sidewall being foldably connected to the base and configured to fix the reflector between the first sidewall and the second sidewall and the base when folded relative to the base.

12. The lighting device (100) according to claim 11, wherein, When the first sidewall and the second sidewall are unfolded relative to the base, the foldable support cannot be assembled inside the tube of the first cellulose fiber material.

13. The lighting device (100) according to any one of claims 1 to 12, wherein, The support component is a molded support component.

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