Lighting device attached to a mounting surface of an object

Abstract

A lighting device (1000) is arranged to be attached to a mounting surface of an object, the lighting device including an LED strip (100). The LED strip (100) includes: (i) an elongated carrier (1100) having an upper surface (1110) having a first upper surface portion (1111), (ii) a plurality of light-emitting diodes (1200) disposed on the first upper surface portion (1111), and (iii) an attachment assembly (1300) for attaching the lighting device (1000) to the mounting surface. The attachment assembly (1300) includes an adhesive surface (1301) facing at least one of a first direction (1121) and a second direction (1122), the first direction (1121) being parallel to the normal of the upper surface (1110), and the second direction (1122) being perpendicular to the normal of the upper surface (1110) and the elongation direction (1120) of the elongated carrier (1100).

Description

Invention Field

[0001] The present invention relates to a lighting device attached to a mounting surface of an object, wherein the lighting device includes an LED strip. Background Technology

[0002] An LED strip is an assembly having multiple light-emitting diodes arranged on the surface of an elongated carrier. The elongated carrier is typically a printed circuit board, which can be flexible, and the multiple light-emitting diodes are usually arranged in a linear array. The multiple light-emitting diodes and the optional carrier can be encapsulated with a light-transmitting sealant.

[0003] Lighting devices including LED strips are widely available and are commonly used for consumer and professional applications, both indoor and outdoor.

[0004] Depending on the application, lighting fixtures should have the required light distribution or light output, which typically varies across different applications. Lighting fixtures that include LED strips are often arranged to provide a light distribution or light output designed to suit a specific application. Summary of the Invention

[0005] Lighting devices, including LED strips arranged to be attached to a mounting surface of an object, typically have an adhesive backing. The inventors have recognized that constructing a device with an adhesive backing has drawbacks. For some applications of lighting devices, illumination output is only obtained when the lighting device with an adhesive backing is conspicuously mounted on an object. When, in such applications, the lighting device with an adhesive backing is to be attached to different mounting surfaces of the object, making it less conspicuous, the lighting device will fail to provide the required illumination output.

[0006] In view of the above, there is a need for lighting devices that include LED strips, which can be attached to the mounting surface of an object in an inconspicuous manner without compromising the required lighting output. The object of this invention is to provide such an improved lighting device.

[0007] According to a first aspect of the invention, a lighting device includes an LED strip, the LED strip comprising: (i) an elongated carrier having an upper surface having a first upper surface portion, (ii) a plurality of light-emitting diodes disposed on the first upper surface portion, and (iii) an attachment assembly for attaching the lighting device to a mounting surface of an object. The attachment assembly has an adhesive surface facing at least one of a first direction and a second direction, wherein the first direction is parallel to the normal to the upper surface of the elongated carrier, and wherein the second direction is perpendicular to the normal to the upper surface of the elongated carrier and perpendicular to the elongation direction of the elongated carrier.

[0008] LED strips have LED strip length (L), LED strip width (W), and LED strip height (H).

[0009] The length (L) of the LED strip can be at least 10 times the width (W) of the LED strip, for example, at least 30 times the width (W) of the LED strip, or at least 50 times the width (W) of the LED strip.

[0010] The length (L) of the LED strip can be at least 10 times the height (H) of the LED strip, for example, at least 30 times the height (H) of the LED strip, or at least 50 times the height (H) of the LED strip.

[0011] The length (L) of the LED strip can be at least 1 meter, for example at least 1.5 meters, or at least 2 meters.

[0012] The upper surface of the elongated carrier may be light-reflective, for example, having a reflectivity of at least 80%, such as at least 85% or at least 90%.

[0013] The elongated carrier can have a thickness ranging from 0.2 mm to 3 mm, for example, from 0.4 mm to 2 mm, or from 0.5 mm to 1 mm.

[0014] Slender carriers can be rigid or flexible.

[0015] The elongated carrier can be a metal, such as aluminum or copper.

[0016] This elongated carrier exhibits good thermal management properties. Additionally or alternatively, the elongated carrier may comprise a polymer, such as polymethyl methacrylate (PMMA), polycarbonate (PC), polyethylene (PE), or polyethylene terephthalate (PET).

[0017] Multiple light-emitting diodes can be composed of N light-emitting diodes, where N is at least 20, for example at least 40, at least 50, at least 80 or at least 100.

[0018] Multiple light-emitting diodes (LEDs) can be arranged along the entire length of the LED strip. Furthermore, they can be evenly distributed along the entire length of the LED strip.

[0019] Multiple light-emitting diodes (LEDs) can be arranged in a linear array of n×m LEDs, where n is 1.

[0020] Each LED can be a phosphor-converted LED or a direct LED.

[0021] Each light-emitting diode (LED) can be arranged to emit white light or colored light. The emitted white light may have a correlated color temperature in the range of 2000 Kelvin to 6000 K, for example, in the range of 2500 Kelvin to 5000 K, or in the range of 2700 Kelvin to 4000 K. The emitted white light may have a color rendering index (CRI) of at least 80, for example, at least 85, or at least 90.

[0022] A plurality of light-emitting diodes (LEDs) may have a first subset and a second subset of LEDs, wherein each LED in the first subset is arranged to emit light with a first correlated color temperature, and each LED in the second subset is arranged to emit light with a second correlated color temperature, wherein the first correlated color temperature is lower than the second correlated color temperature. The lighting device may include a controller for individually controlling the luminous flux of each item in the first and second subsets of LEDs.

[0023] A plurality of light-emitting diodes (LEDs) may have a first subset, a second subset, and a third subset, wherein each LED in the first subset is arranged to emit light of a first color, each LED in the second subset is arranged to emit light of a second color, and each LED in the third subset is arranged to emit light of a third color, and wherein the first, second, and third colors are three different colors. For example, the first color is red, the second color is green, and the third color is blue. The lighting device may include a controller for individually controlling the luminous flux of each of the first, second, and third subsets of LEDs.

[0024] Attached components can have linear shapes.

[0025] The adhesive surface of the attached component may be covered with a release liner.

[0026] The upper surface of the elongated carrier has a second upper surface portion located adjacent to a first upper surface portion in the elongation direction of the elongated carrier, wherein an attachment component is disposed on the second upper surface portion. The attachment component may cover at least 20% of the second upper surface portion, for example at least 50% or at least 80%. The attachment component may also substantially cover the entire second upper surface portion.

[0027] Multiple light-emitting diodes are encapsulated with a light-transmitting sealant. The sealant can be a continuous sealant or have discrete sealant regions. The sealant can also encapsulate at least a portion of the upper surface of an elongated carrier.

[0028] Transparent sealants can contain polymers, such as silicone. These transparent sealants possess good optical properties.

[0029] The attachment assembly has a first attachment assembly portion having a first adhesive surface portion facing a first direction at a first height from an upper surface in the first direction. The light-transmitting sealant has a side surface parallel to the first direction and facing a second upper surface portion, wherein the side surface has a side surface dimension in the first direction, and wherein the side surface dimension is greater than the first height. Thus, the light-transmitting sealant extends above the first attachment assembly (as seen in the first direction), and the side surface of the sealant can be used to align the lighting device when it is attached to the mounting surface of an object.

[0030] The attachment assembly may have a second attachment assembly portion disposed on the light-transmitting sealant side surface, the second attachment assembly portion having a second adhesive surface portion facing a second direction.

[0031] Translucent sealants can be arranged to provide optical effects selected from the group consisting of refraction, diffraction, reflection, diffusion, and conversion.

[0032] Refraction of light refers to the change in direction of light rays as they travel from one medium to another or from a gradually changing medium. Prisms and lenses can be used to redirect light through refraction.

[0033] Light diffraction refers to the various phenomena that occur when light encounters an obstacle or slit. It can be defined as light bending around the angle of an obstacle or through a slit into the geometrically shadowed region of the obstacle or slit, where the diffracting object or slit effectively becomes a secondary source of light propagation.

[0034] Reflection of light refers to the change in direction of light rays at the interface between two different media, causing the light rays to return to the medium of their origin. For specular reflection, the angle at which the light ray strikes the surface is equal to the angle at which it is reflected. Specular reflection can be achieved using mirrors. For diffuse reflection, the light rays incident on the surface are scattered at multiple angles, unlike specular reflection which scatters at only one angle.

[0035] Light diffusion refers to the phenomenon where light passes through a material without being absorbed, but instead undergoes multiple scattering events, thereby changing its path direction.

[0036] Light conversion refers to the change in the wavelength of light, such as through photoluminescence, where light is emitted from any form of matter after absorbing electromagnetic radiation. Light conversion through photoluminescence can be achieved by using phosphors.

[0037] The elongated carrier may have an F-shaped profile, with a first profile portion and a second profile portion facing each other parallel to each other and perpendicular to a third profile portion, the first profile portion and the second profile portion being separated from each other by a non-zero separation distance, and wherein a first upper surface portion is located between the first profile portion and the second profile portion.

[0038] The non-zero separation distance between the first and second cross-sections can be essentially constant over the length of the LED strip.

[0039] The lighting device may further include a cover on a first upper surface portion that closes the separation distance between the first and second section portions.

[0040] The cover can be arranged to provide optical effects selected from the group consisting of refraction, diffraction, reflection, diffusion, and conversion.

[0041] Multiple light-emitting diodes can be encapsulated with a light-transmitting sealant, wherein the sealant has a side surface parallel to a first direction, and wherein an attachment component is disposed on the side surface such that the adhesive surface faces a second direction.

[0042] The lighting device may further include electrical components such as sensors, drivers for powering light-emitting diodes, and / or controllers for controlling the light output of the light-emitting diodes.

[0043] The lighting device according to the invention can be attached to the mounting surface of an object, wherein the object may be a structural element or part of a building material.

[0044] Brief description of the attached figures

[0045] Embodiments of the invention will now be described by way of example only, with reference to the accompanying drawings, wherein corresponding reference numerals denote corresponding parts, and wherein:

[0046] Figure 1 A top view of a slender carrier is shown;

[0047] Figure 2 Showing includes Figure 1 Lighting devices for slender carriers in the middle;

[0048] Figure 3 (a) through 3(e) show several lighting devices in the cross-sectional views;

[0049] Figure 4 (a) through 4(c) show several lighting devices in the cross-sectional views;

[0050] Figure 5 (a) through 5(c) show several lighting devices in the cross-sectional views;

[0051] Figure 6 (a) through 6(f) show several lighting devices in the cross-sectional views;

[0052] Figure 7 Showing a perspective view of the panel; and

[0053] Figure 8 (a) to 8(c) show Figure 7 Side view of the panel.

[0054] The diagram is not necessarily drawn to scale. Detailed Implementation

[0055] Figure 1 A top view of an elongated carrier 1100 with an upper surface having a first upper surface portion 1111 and a second upper surface portion 1112 is shown. The first upper surface portion 1111 is located next to the second upper surface portion 1112 in the elongation direction 1120 of the elongated carrier 1100. Figure 1 The image also shows direction 1122, which is perpendicular to the normal of the upper surface and the elongation direction 1120 of the elongated carrier 1100.

[0056] Figure 2 Showing included Figure 1 The lighting device 1000 is located on the slender carrier 1100. The lighting device 1000 is shown in the side view. Figure 2 (upper part) and top view ( Figure 2 (in the lower part).

[0057] The elongated carrier 1100 has an upper surface 1110 on which a plurality of light-emitting diodes 1200 are arranged. In particular, the light-emitting diodes 1200 are arranged on a first upper surface portion 1111 of the upper surface 1110.

[0058] The attachment component 1300 is also disposed on the upper surface 1110. In particular, the attachment component 1300 is disposed on the second upper surface portion 1112 of the upper surface 1110.

[0059] The attachment assembly 1300 has an adhesive surface 1301 facing direction 1121. Direction 1121 is parallel to the normal of the upper surface 1110. Directions 1121 and 1122 will be referred to hereinafter as first direction 1121 and second direction 1122, respectively.

[0060] exist Figure 2 In the lighting device 1000, light-emitting diodes 1200 are arranged in a linear array, and the attachment component 1300 has a linear shape.

[0061] Alternatively, the arrangement of the light-emitting diodes can have any configuration, and the attachment components can have any shape.

[0062] Figure 3 Several lighting devices 1000 are shown in the cross-sectional view.

[0063] exist Figure 3In the lighting equipment 1000 shown in (a) to 3(e), the adhesive surface 1301 is covered with a release liner 1330.

[0064] exist Figure 3 In the lighting device 1000 shown in (b) to 3(e), the light-emitting diode 1200 is encapsulated with a light-transmitting sealant 1210. The light-transmitting sealant 1210 includes a diffusing material. In other words, the light-transmitting sealant 1210 is arranged to provide a diffractive optical effect. Other materials may alternatively be used for the light-transmitting sealant, such as refractive, diffractive, reflective, or conversion materials, so that the light-transmitting sealant can be arranged to provide refractive, diffractive, reflective, or conversion optical effects, respectively.

[0065] exist Figure 3 (b) In the lighting device 1000, the light-transmitting sealant 1210 and the attachment component 1300 are substantially the same height.

[0066] exist Figure 3 In the lighting device 1000 of (c), the first adhesive surface portion 1311 is located at a first height h from the upper surface 1110 in the first direction 1121. The light-transmitting encapsulating material 1210 has a side surface 1211 parallel to the first direction 1121 and facing the second upper surface portion 1112. The side surface 1211 has a side surface dimension d in the first direction 1121. The side surface dimension d is greater than the first height h. In other words, the light-transmitting sealant 1200 has a height exceeding that of the adhesive assembly 1300. This results in the light-transmitting sealant 1200 having a side surface 1211 facing the adhesive assembly 1300.

[0067] exist Figure 3 In the lighting devices 1000 of (d) and 3(e), the elongated carrier 1100 has an F-shaped cross-section. The F-shaped cross-section has a first cross-sectional portion 1131, a second cross-sectional portion 1132, and a third cross-sectional portion 1133. The first cross-sectional portion 1131 and the second cross-sectional portion 1132 face each other parallel to each other and are perpendicular to the third cross-sectional portion 1133. The first cross-sectional portion 1131 and the second cross-sectional portion 1132 are separated from each other by a non-zero separation distance.

[0068] According to the terminology commonly used for structural beam sections, each of the first section 1131 and the second section 1132 can be called a flange, the third section 1133 can be called a web, and the space surrounded by the first section 1131, the second section 1132 and the third section 1133 can be called a passage.

[0069] The first upper surface portion 1111 is located between the first cross-sectional portion 1131 and the second cross-sectional portion 1132. In other words, in Figure 3In the lighting device 1000 of (d), light-emitting diodes 1200 are arranged in the channel between the F-shaped flanges.

[0070] exist Figure 3 In the lighting device 1000 of (e), a cover 1134 is disposed on a first upper surface portion 1111. The cover 1134 closes the separation distance between the first cross-sectional portion 1131 and the second cross-sectional portion 1132. The cover 1134 is shown as a separate component, but alternatively, it may also be part of an elongated carrier cross-section. In the latter case, the elongated carrier substantially has a P-shaped cross-section. In the context of this invention, the P-section is considered to be an F-shaped cross-section with a closed channel.

[0071] Figure 4 Several lighting devices 1000 are shown in a cross-sectional view.

[0072] Figure 4 The lighting devices 1000 shown in (a), 4(b), and 4(c) are respectively similar to Figure 3 The lighting device shown in (c), 3(d) and 3(e) is now attached to the first attachment assembly portion 1310, which has a first adhesive surface portion 1311 facing a first direction 1121, and a second attachment assembly portion 1320, which has a second adhesive surface portion 1321 facing a second direction 1122.

[0073] exist Figure 4 In the lighting device 1000 of (a), the second attachment component portion 1320 is disposed on the side surface 1211 of the light-transmitting sealant 1210.

[0074] exist Figure 4 In the lighting devices 1000 of (b) and 4(c), the second attachment component portion 1320 is disposed on the first section portion 1131 of the F-shaped profile.

[0075] Figure 5 Several lighting devices 1000 are shown in a cross-sectional view.

[0076] exist Figure 5 In the lighting device 1000 shown in (a) to 5(c), the elongated carrier 1100 has an upper surface 1110 on which a plurality of light-emitting diodes 1200 are arranged on a first upper surface portion 1111. The upper surface portion 1111 is substantially consistent with the upper surface 1110.

[0077] exist Figure 5 In the lighting device 1000 shown in (a) to 5(c), the light-emitting diode 1200 is encapsulated with a light-transmitting sealant 1210.

[0078] exist Figure 5In the lighting device 1000 of (a), the attachment component 1300 is disposed on the side surface of the light-transmitting sealant 1210. The side surface faces the second direction 1122.

[0079] exist Figure 5 In the lighting device 1000 of (b) and 5(c), the elongated carrier 1100 has a U-shaped cross-section. The U-shaped cross-section has a first cross-sectional portion 1131, a second cross-sectional portion 1132, and a third cross-sectional portion 1133. The first cross-sectional portion 1131 and the second cross-sectional portion 1132 face each other parallel to each other and are perpendicular to the third cross-sectional portion 1133. The first cross-sectional portion 1131 and the second cross-sectional portion 1132 are separated from each other by a non-zero separation distance. A first upper surface portion 1111 is located between the first cross-sectional portion 1131 and the second cross-sectional portion 1132.

[0080] exist Figure 5 In the lighting fixtures 1000 of (b) and 5(c), the attachment assembly 1300 is disposed on the first section portion 1131 of the U-shaped profile.

[0081] exist Figure 5 In the lighting device 1000 of (c), a cover 1134 is disposed on the first upper surface portion 1111. The cover 1134 closes the separation distance between the first section portion 1131 and the second section portion 1132. The cover 1134 is shown as a separate component, but alternatively it may also be part of an elongated carrier section. In the latter case, the elongated carrier is essentially a rectangular tube.

[0082] Figure 6 Several lighting devices 1000 are shown in a cross-sectional view.

[0083] exist Figure 6 In the lighting devices 1000 of (a) to 6(f), an elongated carrier 1100 has an upper surface 1110. A light-emitting diode 1200 is disposed on a first upper surface portion 1111 of the upper surface 1110, and an attachment assembly 1300 is disposed on a second upper surface portion 1112 of the upper surface 1110, wherein the first upper surface portion 1111 is located adjacent to the second upper surface portion 1112 in the direction of the extension 1120 of the elongated carrier 1100. Note that, for clarity, reference numerals 1111, 1112, and 1120 are not included in the figures. Figure 6 In the middle. The features indicated by these numbers are similar to those shown in other figures with the same reference numerals.

[0084] Figure 6 The lighting device 1000 shown in (a) is similar to Figure 3 The lighting device 1000 shown in (a). From a manufacturability point of view, Figure 6The lighting device 1000 in (a) will be the easiest to manufacture. It also has a layout that makes it easy to make the slender carrier 1100 flexible.

[0085] Figure 6 The lighting device 1000 shown in (b) has a configuration where the normal of the first surface portion 1111 is not parallel to the normal of the second surface portion 1112. In other words, it has a configuration in which the first surface portion 1111 is inclined relative to the second surface portion 1112. Figure 6 (b) In the lighting device 1000 shown, the elongated carrier 1100 is rigid. Alternatively, the elongated carrier can be deformed from a planar configuration to... Figure 6 The configuration shown in (b).

[0086] exist Figure 6 In the lighting devices 1000 shown in (c), 6(d), 6(e) and 6(f), the elongated carrier 1100 has an L-shaped cross section, a T-shaped cross section, an F-shaped cross section and a P-shaped cross section, respectively.

[0087] This profile results in increased mechanical stiffness, with the P-section providing the highest mechanical stiffness.

[0088] Figure 6 The lighting devices 1000 in (c) through 6(f) all have a cross-sectional portion perpendicular to the first surface portion 1111, on which light-emitting diodes 1200 are arranged. These cross-sectional portions can be arranged to provide optical effects selected from the group consisting of refraction, diffraction, reflection, diffusion, and conversion. The more cross-sectional portions there are, the greater the degree of freedom in providing various optical effects.

[0089] Figure 7 A perspective view of panel 2010 is shown, which can be used as a tabletop or shelf. In the context of this invention, tabletops and shelves, as well as any other application of the panel, are considered as examples of structural elements.

[0090] Panel 2010 has a top surface and a bottom surface. Figure 7 In the configuration shown, the lower surface of panel 2010 represents the mounting surface of lighting device 1000, which is similar to... Figure 2 and 3 The lighting device 1000 is shown in (a). The lighting device 1000 can be attached to the lower surface of the panel 2010 via the attachment assembly 1300. The lighting device 1000 is not obvious to an observer viewing the panel 2010 from the side opposite to the side to which the attached lighting device 1000 is located, but it is still able to provide the same lighting output as a lighting device having an adhesive backing that will be attached to the upper surface of the panel 2010.

[0091] In an alternative configuration, the upper surface of panel 2010 represents a mounting surface to which lighting device 1000 can be attached via attachment assembly 1300.

[0092] Figure 8 Each of (a) to 8(c) shows that it is also Figure 7 The image shows a side view of panel 2010. The upper and lower surfaces of panel 2010 are now indicated by reference numerals 2011 and 2012, respectively. Panel 2010 also has an edge surface 2013, which, for clarity, is only shown on the edge surface 2013. Figure 8 (a) shows the result.

[0093] exist Figure 8 In the configuration shown in (a), with Figure 3 (c) The lighting device 1000 shown is similar to the lighting device 1000 and is attached to the lower surface 2012 of the panel 2010 via the attachment assembly 1300. The sides of the sealant 1210 are used to align the lighting device 1000 with the edge surface 2013 of the panel 2010.

[0094] exist Figure 8 In the configuration shown in (b), with Figure 4 (a) The lighting device 1000 shown is similar to the lighting device 1000 that is attached to the edge surface 2013 of the panel 2010 via a first attachment component 1310 and to the upper surface 2011 via a second attachment component 1320.

[0095] exist Figure 8 In the configuration shown in (c), with Figure 5 (a) The lighting device 1000 shown is similar to the lighting device 1000 attached to the edge surface 2013 of the panel 2010 via the attachment component 1300.

[0096] It should be noted that the above embodiments are illustrative rather than limiting of the invention, and those skilled in the art will be able to devise many alternative embodiments without departing from the scope of the appended claims. Any reference signs placed between parentheses in the claims shall not be construed as limiting the claims. The use of the verb “comprising” and its variations does not exclude the presence of elements or steps other than those described in the claims. The article “a” or “an” preceding an element does not exclude the presence of a plurality of such elements.

[0097] The mere fact that certain features are described in mutually different dependent claims does not indicate that a combination of these features cannot be used advantageously.

[0098] The various aspects discussed above can be combined to provide additional advantages. Furthermore, those skilled in the art will understand that two or more embodiments can be combined.

Claims

1. A lighting device (1000) arranged to be attached to a mounting surface of an object, the lighting device (1000) including an LED strip (100), the LED strip (100) comprising: - An elongated carrier (1100) having an upper surface (1110) having a first upper surface portion (1111) and a second upper surface portion (1112), the second upper surface portion being located next to the first upper surface portion (1111) in the elongation direction (1120) of the elongated carrier (1100). - A plurality of light-emitting diodes (1200) are arranged on the first upper surface portion (1111), the plurality of light-emitting diodes (1200) being encapsulated with a light-transmitting sealant (1210) arranged to provide an optical effect selected from the group consisting of: refraction, diffraction, reflection, diffusion, and conversion, and - An attachment assembly (1300) for attaching the lighting device (1000) to the mounting surface. The attachment component (1300) is disposed on the second upper surface portion (1112). The attachment component (1300) includes an adhesive surface (1301) facing at least one of a first direction (1121) and a second direction (1122), the first direction (1121) being parallel to the normal of the upper surface (1110) and the second direction (1122) being perpendicular to the normal of the upper surface (1110) and the elongation direction (1120) of the elongated carrier (1100). The attachment assembly (1300) has a first attachment assembly portion (1310) having a first adhesive surface portion (1311) facing the first direction (1121), the first adhesive surface portion (1311) being located at a first height (h) from the upper surface (1110) in the first direction (1121), and The light-transmitting sealant (1210) has a side surface (1211) parallel to the first direction (1121) and facing the second upper surface portion (1112), the side surface (1211) having a side surface dimension (d) in the first direction (1121), and wherein the side surface dimension (d) is greater than the first height (h), the side surface (1211) of the light-transmitting sealant (1210) is configured to align the lighting device (1000) with the mounting surface of the object when the lighting device (1000) is attached to the mounting surface of the object.

2. The lighting device (1000) according to claim 1, wherein the attachment component (1300) has a second attachment component portion (1320) disposed on the side surface (1211) of the light-transmitting sealant (1210), the second attachment component portion (1320) having a second adhesive surface portion (1321) facing the second direction (1122).

3. The lighting device (1000) according to any one of claims 1 and 2, wherein the elongated carrier (1100) has an F-shaped cross-section, wherein the first cross-section portion (1131) and the second cross-section portion (1132) are oriented parallel to each other and perpendicular to the third cross-section portion (1133), the first cross-section portion (1131) and the second cross-section portion (1132) are separated from each other by a non-zero separation distance, and wherein the first upper surface portion (1111) is located between the first cross-section portion (1131) and the second cross-section portion (1132).

4. The lighting device (1000) according to claim 3, further comprising a cover (1134) above the first upper surface portion (1111), the cover (1134) closing the separation distance between the first section portion (1131) and the second section portion (1132).

5. The lighting device (1000) according to any one of claims 1 and 2, wherein the elongated carrier (1100) is flexible.

6. The lighting device (1000) according to any one of claims 1 and 2, wherein the plurality of light-emitting diodes (1200) are arranged in a linear array, and wherein the attachment component (1300) has a linear shape.

7. The lighting device (1000) according to any one of claims 1 and 2, wherein the adhesive surface (1310) is covered with a release liner (1330).

8. A structural element (2010), comprising: - Mounting surfaces (2011, 2012, 2013), and - The lighting device (1000) according to any one of claims 1 and 2. The lighting device (1000) is attached to the mounting surface (2011, 2012, 2013) via the attachment assembly (1300).

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