Lighting device

Abstract

Provided is a lighting device capable of suppressing generation of shadows on a reflector due to a receiving member even when the receiving member for supporting a lampshade is used. A lighting device (1) is provided with a socket (20) to which a light source (10) is mounted, a lampshade (30) covering the light source (10), a reflector (70) positioned above the socket (20) and reflecting light from the light source (10), and a receiving member (80) fixed to the reflector (70), and the lampshade (30) has a second opening (30b) through which the light from the light source (10) passes. The receiving member (80) has a lampshade support portion (81) that covers at least a portion of the second opening (30b) and supports the lampshade (30), and the lampshade support portion (81) has translucency.

Description

Technical Field

[0001] The utility model relates to a lighting device. Background Art

[0002] Conventionally, there is a hanging type lighting device that is hung from a structure such as a ceiling (for example, Patent Document 1). The hanging type lighting device includes a lamp holder for mounting a light source such as a lamp, and a lampshade for covering the light source.

[0003] Prior art literature

[0004] Patent Literature

[0005] Patent Document 1: Japanese Patent Application Laid-Open No. 2003-303510 Utility Model Content

[0006] Issues to be solved by utility models

[0007] As one type of suspended lighting device, an upward-reflecting lighting device has been proposed. This upward-reflecting lighting device has a structure in which a lampshade with an opening on the ceiling side is supported by a receiving member, and a reflector (reflector plate) is disposed on the ceiling side of the lampshade. In this lighting device, the receiving member is formed of a metal plate and includes: an annular supporting portion for supporting the ceiling-side open end of the lampshade; an annular mounting portion mounted on the reflector; and a plurality of connecting portions that bridge the supporting portion and the mounting portion.

[0008] However, in an upward-reflecting lighting device employing a receiving member of the aforementioned shape, the receiving member's connecting portion is positioned across the ceiling-side opening of the lampshade. Therefore, a portion of the light emitted from the light source that travels toward the reflector is blocked by the receiving member's connecting portion as it passes through the ceiling-side opening of the lampshade. This shadow cast by the receiving member's connecting portion appears on the reflective surface of the reflector, thereby detracting from the aesthetic appearance of the lighting device when it is illuminated.

[0009] In particular, when the diameter of a lighting device is reduced for miniaturization, the support portion of the receiving component and the reflective surface of the reflector are brought closer together. This causes the shadow cast by the connection portion of the receiving component to become deeper on the reflective surface of the reflector, thus reducing the aesthetics of the lighting device.

[0010] In order to solve the above-mentioned problems, the present invention aims to provide a lighting device which can suppress the shadow generated on the reflector by the receiving component even if a receiving component for supporting the lampshade is adopted.

[0011] Means for solving problems

[0012] In order to achieve the above-mentioned purpose, one mode of the lighting device involved in the present invention is to include: a lamp holder for mounting a light source, a lampshade covering the light source, a reflector located above the lamp holder and reflecting the light from the light source, and a supporting component fixed to the reflector, the lampshade having an opening for allowing the light from the light source to pass through, the supporting component having a lampshade supporting portion covering at least a portion of the opening and supporting the lampshade, and the lampshade supporting portion being light-transmissive.

[0013] Utility model effect

[0014] Even when a receiving member that supports the lampshade is used, it is possible to suppress the shadow cast on the reflector by the receiving member. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a cross-sectional view showing a state where the lighting device according to the embodiment is installed on a ceiling.

[0016] Figure 2 This is a perspective view of the appearance of the lighting device according to the embodiment when viewed from the ceiling side.

[0017] Figure 3 This is a perspective view of the appearance of the lighting device according to the embodiment when viewed from the ground side.

[0018] Figure 4 It is an exploded perspective view of the lighting device involved in the embodiment.

[0019] Figure 5 This is a perspective view of a receiving member used in the lighting device according to the embodiment, as seen from above.

[0020] Figure 6 This is a perspective view of a receiving member used in the lighting device according to the embodiment, as seen from below.

[0021] Figure 7 It is a perspective view of the appearance of a lighting device of a comparative example.

[0022] Figure 8 It is a cross-sectional view of a lighting device according to a comparative example.

[0023] Figure 9 It is a perspective view of a receiving component used in a lighting device of a comparative example.

[0024] Figure 10 It is a diagram showing the state of the lighting device according to the embodiment when it is lit.

[0025] Description of Reference Numerals

[0026] 1 lighting device;

[0027] 10 light sources;

[0028] 20 lamp holders;

[0029] 30 lampshades;

[0030] 30a 1st opening;

[0031] 30b second opening;

[0032] 31 lampshade body;

[0033] 40 supporting plate;

[0034] 50 lamp holder shell;

[0035] 51 shell body;

[0036] 52 cover member;

[0037] 70 reflectors;

[0038] 71 reflection part;

[0039] 72 fixed part;

[0040] 80 bearing components;

[0041] 81 lampshade supporting portion;

[0042] 82 Intermediary Department;

[0043] 90 screws. DETAILED DESCRIPTION

[0044] The following describes the embodiments of the present invention with reference to the accompanying drawings. The embodiments to be described below are all specific examples of the present invention. Therefore, the numerical values, shapes, materials, components, configuration positions of components, and connection methods shown in the following embodiments are all examples, and their purpose is not to limit the present invention. Therefore, among the components of the following embodiments, the components that are not recorded in the independent technical solutions that illustrate the highest concept of the present invention will be described as arbitrary components.

[0045] In addition, each figure is a schematic diagram, not a rigorous illustration. Moreover, in each figure, substantially the same structure is given the same number, and repeated descriptions are omitted or simplified. Moreover, in this specification, the terms "up" and "down" do not refer to the upper direction (vertically above) and the lower direction (vertically below) in absolute spatial cognition. In this specification, the ceiling side is set to the upper side, and the ground side is set to the lower side. That is, the direction of the ceiling side is set to the top, and the direction of the ground side is set to the bottom.

[0046] (Implementation Method)

[0047] use Figures 1 to 6 The configuration of the lighting device 1 according to the embodiment will be described. Figure 1 This is a cross-sectional view showing a state where the lighting device 1 according to the embodiment is installed on the ceiling 2 .

[0048] Figure 2 This is a perspective view of the external appearance of the lighting device 1 according to the embodiment when viewed from the ceiling 2 side.

[0049] Figure 3 This is a perspective view of the external appearance of the lighting device 1 according to the embodiment when viewed from the ground side. Figure 4 It is an exploded perspective view of the lighting device 1 according to the embodiment. Figure 5 as well as Figure 6 It is a perspective view of a receiving member 80 used in the lighting device 1 according to the embodiment. Figure 5 This is an oblique view of the receiving member 80 as viewed from above. Figure 6 This is a perspective view of the receiving member 80 as viewed from below.

[0050] The lighting device 1 is a hanging type lighting fixture called a chandelier, which is hung on a structure in a building such as a house or a store. Figure 1 As shown, a lighting device 1 is suspended from a ceiling 2, a structure. In this case, the lighting device 1 is installed on the ceiling 2 by being mounted on a ceiling-side base 2a provided on the ceiling 2. The ceiling-side base 2a is a power supply unit for supplying power to the lighting device 1 and is electrically connected to a commercial power source (system power supply) via a wire, for example, on the back side of the ceiling 2. By being mounted on the ceiling-side base 2a, the lighting device 1 can receive AC power from the commercial power source.

[0051] Furthermore, the lighting device 1 can be installed on a track provided on the ceiling, etc., rather than on the ceiling-side base 2a. In this case, the track can be embedded in the ceiling, directly mounted on the ceiling, or suspended from the ceiling. Furthermore, the installation location of the lighting device 1 is not limited by the ceiling-side base 2a and the track.

[0052] like Figures 1 to 4 As shown, a suspended lighting device 1 includes a light source 10, a lamp holder 20 to which the light source 10 is mounted, a lamp shade 30 covering the light source 10, a support plate 40 supporting the lamp holder 20, a lamp holder housing 50 covering the lamp holder 20, and a cable 60. The lighting device 1 is suspended from a ceiling 2 via the cable 60.

[0053] The lighting device 1 in this embodiment is a top-reflecting lighting fixture and includes a reflector 70 located above the lamp holder 20 and reflecting light from the light source 10, and a receiving member 80 supporting the lampshade 30. The receiving member 80 is fixed to the reflector 70.

[0054] like Figure 1 as well as Figure 3 As shown, the light source 10 is covered by a lampshade 30. The light source 10 emits light of a predetermined color. For example, the light source 10 emits white light. The light emitted by the light source 10 becomes the illumination light of the lighting device 1.

[0055] In this embodiment, light source 10 includes an LED module composed of LEDs (Light Emitting Diodes). For example, the LED module of light source 10 is a COB (Chip On Board) or SMD (Surface Mount Device) LED module. Light source 10 including the LED module is, for example, an LED lamp having a base. For example, light source 10 is an LED lamp having a GX53 base.

[0056] Specifically, the light source 10 is a flat, thin structure lamp with an overall disc or flat shape. Figure 1 As shown, it comprises a housing 10a, a light emitting unit 10b supported by the housing 10a, a translucent cover 10c covering the light emitting unit 10b, a pair of power supply pins 10d for receiving power for the light emitting unit 10b to emit light, and a base 10e. In this embodiment, the base 10e is part of the housing 10a.

[0057] The power circuit (not shown) for driving the light emitting unit 10b is housed in the housing 10a. The power circuit converts AC power (e.g., 100V commercial AC power) received from the lamp holder 20 via a pair of power supply pins 10d into DC power and supplies the DC power to the light emitting unit 10b.

[0058] The light emitting unit 10b emits white light, for example. In this case, the light source 10 emits white light as illumination light. The light emitting unit 10b is composed of an LED. As an example, the light emitting unit 10b includes a substrate and one or more LED elements mounted on the substrate.

[0059] The light-transmitting cover 10c is a light-transmitting component. Therefore, light from the light-emitting portion 10b that enters the inner surface of the light-transmitting cover 10c passes through the light-transmitting cover 10c and is emitted to the exterior of the light-transmitting cover 10c. The light-transmitting cover 10c can be made of a light-transmitting resin material such as acrylic resin or polycarbonate, or a light-transmitting material such as glass. While the light-transmitting cover 10c is a light-diffusing cover, it can also be a transparent cover that does not diffuse light.

[0060] The pair of power supply pins 10d are conductive pins that receive power from the outside of the light source 10 for making the light-emitting portion 10b emit light. For example, the pair of power supply pins 10d receive alternating current from the lamp holder 20. The pair of power supply pins 10d are electrically connected to the drive circuit via a wire or the like. Furthermore, the pair of power supply pins 10d are connecting pins for connecting the light source 10 to the lamp holder 20. Each power supply pin 10d is electrically and mechanically connected to the lamp holder 20. Furthermore, the light source 10 is held in the lamp holder 20 by the power supply pins 10d being connected to the lamp holder 20. In addition, the pair of power supply pins 10d may also be part of the lamp head 10e.

[0061] The base 10e is, for example, a GX53-shaped base. Therefore, the base 10e has a bottomed cylindrical protrusion 10f. The protrusion 10f is provided on the surface of the housing 10a opposite the translucent cover 10c. The protrusion 10f constitutes a portion of the base 10e.

[0062] like Figure 1 As shown, the light source 10 is mounted on the lamp holder 20. For example, when the lighting device 1 is installed on the ceiling 2, the light source 10 is mounted on the lamp holder 20 so that the light-transmitting cover 10c faces the ground (ie, the pair of power supply pins 10d faces the ceiling 2).

[0063] In this embodiment, the light source 10 is detachably mounted to the lamp holder 20. That is, the light source 10 can be mounted on and removed from the lamp holder 20. For example, if the light source 10 is an LED lamp with a GX53 base, the light source 10 can be mounted on the lamp holder 20 by rotating it horizontally in a plane parallel to the ceiling. Specifically, the light source 10 is mounted on the lamp holder 20 by holding the light translucent cover 10c by hand, inserting the power supply pins 10d of the light source 10 into the pin receiving holes 21a of the lamp holder 20, and rotating the light source 10 clockwise. Furthermore, to remove the light source 10 from the lamp holder 20, the light source 10 can be removed from the lamp holder 20 by rotating the light source 10 mounted on the lamp holder 20 counterclockwise. By attaching and removing the light source 10 to and from the lamp holder 20, the light source 10 can be replaced.

[0064] The lamp holder 20 has a socket function that not only holds the light source 10 but also supplies power to the light source 10. Thus, the lamp holder 20 is electrically and mechanically connected to the light source 10. Specifically, the lamp holder 20 has a socket function corresponding to a GX53-shaped lamp head. Commercial AC power is supplied to the lamp holder 20 via the cable 60. Thus, the commercial AC power is supplied to the light source 10 mounted on the lamp holder 20, and the light source 10 becomes capable of lighting. In this case, the light source 10 can be switched on and off by, for example, operating a wall switch or a remote control.

[0065] The lamp holder 20 includes a lamp holder body 21 made of an insulating resin material and a pair of connection terminals (not shown) housed in the lamp holder body 21. Figure 1 As shown, the lamp holder body 21 is provided with a pair of pin receiving holes 21a that engage with the pair of power pins 10d of the light source 10. The pair of pin receiving holes 21a correspond one-to-one with the pair of power pins 10d of the light source 10. The pair of connecting terminals housed in the lamp holder body 21 are electrically connected to the cable 60. Furthermore, the pair of connecting terminals housed in the lamp holder body 21 are connected to the power pins 10d of the light source 10 inserted into the pin receiving holes 21a.

[0066] like Figure 1 as well as Figure 3 As shown, the light source 10 and the lamp holder 20 are covered by a lampshade 30. The lampshade 30 is a housing that forms the outer shell of the lighting device 1. Therefore, when a user views the lighting device 1 installed on the ceiling 2, the user sees the lampshade 30. In other words, the lampshade 30 constitutes the design (design concept) of the lighting device 1.

[0067] The lampshade 30 has a first opening 30a and a second opening 30b, both of which serve as openings for light from the light source 10 to pass through. The first opening 30a is provided at the lower portion of the lampshade 30 and faces the floor. The second opening 30b is provided at the upper portion of the lampshade 30 and faces the ceiling 2. In this embodiment, the first opening 30a is provided at the lower end of the lampshade 30, and the second opening 30b is provided at the upper end of the lampshade 30.

[0068] The lampshade 30 includes a cylindrical lampshade body 31 and a receiving member contact portion 32 that contacts the receiving member 80. The first opening 30a is an opening on the lower side (ground side) of the lampshade body 31. The second opening 30b is provided at the receiving member contact portion 32. The first opening 30a and the second opening 30b are circular openings. In this embodiment, the opening diameter of the first opening 30a is larger than the opening diameter of the second opening 30b.

[0069] The lampshade body 31 is cylindrical. In this embodiment, the inner and outer diameters of the lampshade body 31 gradually increase from the ceiling 2 side toward the floor side. In other words, the outer shape of the lampshade body 31 is truncated cone-shaped. Furthermore, the shape of the lampshade body 31 is not limited to a cylindrical shape. For example, the lampshade body 31 can be a polygonal cylinder or a roughly spherical shape such as a bowl.

[0070] The supporting component abutment portion 32 is provided at the end portion on the upper side (ceiling 2 side) of the lampshade main body 31. The supporting component abutment portion 32 is a protrusion that protrudes inward from the open end portion of the lampshade main body 31. That is, the supporting component abutment portion 32 is formed to be smaller than the opening diameter of the opening on the upper side of the lampshade main body 31. In the present embodiment, the supporting component abutment portion 32 is a plate-like portion with a circular ring-shaped thickness and constant width. The lampshade main body 31 and the supporting component abutment portion 32 are formed to have an L-shaped cross-sectional shape. In addition, although the thickness of the lampshade main body 31 and the supporting component abutment portion 32 are the same, this is not limited to the present invention.

[0071] The lampshade 30 is light reflective. Specifically, the lampshade 30 is a light reflective reflective cover with a high reflectivity on the inner surface. The light reflective lampshade 30 can be made of a metal material, or the entire lampshade 30 can be made of a white resin material or a ceramic material, or a light reflective film can be formed on the inner surface of a cover formed into a specified shape with a resin material or a metal material. In addition, the lampshade body 31 and the supporting component abutment portion 32 are made of the same material as a whole. That is, the lampshade 30 is an integrally molded product. For example, when the lampshade 30 is made of a metal material, the lampshade 30 having the lampshade body 31 and the supporting component abutment portion 32 can be formed by stamping a metal plate.

[0072] The lampshade 30 covers not only the light source 10 and the lamp holder 20 , but also the support plate 40 and the lamp holder housing 50 .

[0073] The support plate 40 is a lamp base that supports the lamp holder 20. The lamp holder 20 is fixed to the support plate 40. The support plate 40 is made of, for example, a metal plate. The support plate 40 is located above the lamp holder 20.

[0074] The support plate 40 is fixed to the lamp holder housing 50. Therefore, the lamp holder 20 is mounted on the lamp holder housing 50 via the support plate 40. The support plate 40 includes a support plate body 41 and a mounting portion 42 mounted on the lamp holder housing 50. The support plate body 41 faces the lamp base 10e of the light source 10. A through-hole is provided in the support plate body 41 for passing the cable 60. The mounting portion 42 is formed into a flange shape, protruding outward from the end of the support plate body 41.

[0075] The lamp holder shell 50 covers the lamp holder 20 and the support plate 40. The lamp holder shell 50 has a cylindrical shell body 51 that covers the side of the lamp holder 20 and the side of the support plate 40. In the present embodiment, the shell body 51 covers the entire lamp holder 20 and the entire support plate 40. That is, the lamp holder 20 is accommodated in the shell body 51, so that the side portion of the lamp holder 20 is not exposed. Accordingly, it is possible to prevent the charging portion in the lamp holder 20 and the cable 60 from being exposed and causing an electric shock to the user by touching the charging portion. In addition, in the present embodiment, although the shape of the shell body 51 is cylindrical, it is not limited to this. The shape of the shell body 51 may also be a polygonal cylinder, etc.

[0076] The light source 10 side (lower side) of the shell body 51 is open. In this embodiment, the end edge of the shell body 51 on the light source 10 side is located below the end edge of the lamp holder 20 on the light source 10 side. Therefore, the lamp holder 20 is located further inward than the opening surface of the shell body 51.

[0077] Furthermore, the ceiling 2 side (upper side) of the shell body 51 is closed. Specifically, the lamp holder shell 50 has a cover member 52 that blocks the opening of the shell body 51 on the ceiling 2 side. The cover member 52 is in the shape of a circular plate, and the shell body 51 and the cover member 52 together form a bottomed cylindrical shape. Figure 1 As shown, the cable 60 passes through a through hole provided in the center portion of the cover member 52 of the lamp holder housing 50 .

[0078] The shell body 51 and the cover member 52 are formed integrally using the same material. That is, the lamp holder shell 50 is an integrally molded product. In this case, the material constituting the lamp holder shell 50 can be any of a resin material and a metal material. When the lamp holder shell 50 is formed of a resin material, for example, an insulating resin material is used for injection molding to form the lamp holder shell 50 of a predetermined shape. In this way, by forming the lamp holder shell 50 from an insulating resin material, the lamp holder 20 serving as the charging part can be insulated and protected. In addition, when the lamp holder shell 50 is formed of a metal material, for example, a metal plate is subjected to a stamping process such as deep drawing to form the lamp holder shell 50 of a predetermined shape. In this way, by forming the lamp holder shell 50 from a metal material, the lamp holder shell 50 can be formed into a predetermined shape.

[0079] In addition, in this embodiment, the base case 50 is made of an insulating resin material. Specifically, the base case 50 is formed using ASA (acrylonitrile-styrene-acrylate) resin.

[0080] A cable 60 is fixed to the lampholder housing 50. The lampholder housing 50 is supported by the cable 60. Specifically, the lampholder housing 50 is suspended from the ceiling 2 via the cable 60. Therefore, the cable 60 serves as a support wire for the lampholder housing 50. Furthermore, the support plate 40, reflector 70, and receiving member 80 are fixed to the lampholder housing 50. Therefore, the support plate 40, reflector 70, and receiving member 80 are also suspended from the ceiling 2 via the cable 60 through the lampholder housing 50.

[0081] Furthermore, the cable 60 is flexible. Specifically, the cable 60 can freely change its shape by winding or bending, but when the lighting device 1 is hung from the ceiling 2, the cable 60 is in a straightened state.

[0082] Furthermore, the cable 60 functions not only as a support line but also as a power line for supplying power to the lamp holder 20. One end of the cable 60 is electrically connected to the lamp holder 20, and the other end of the cable 60 is electrically connected to the ceiling-side base 2a. For example, by connecting a connecting metal part (a metal blade, etc.) of the connecting part 60a installed at the other end of the cable 60 to the ceiling-side base 2a, the cable 60 and the ceiling-side base 2a can be electrically connected. Accordingly, the light source 10 mounted on the lamp holder 20 is electrically connected to the cable 60, and power from the AC power supply is supplied to the light source 10 via the cable 60. In addition, the connecting metal part may also be covered by an insulating flange protective cover (not shown).

[0083] The reflector 70 is a reflective member having a reflective surface for reflecting the light emitted from the light source 10. Figure 1 As shown, the reflector 70 is arranged above the lamp holder 20. In this embodiment, since the lamp holder 20 is covered by the lamp holder shell 50, the reflector 70 is arranged above the lamp holder shell 50. In addition, in this embodiment, since the receiving component 80 is arranged on the lamp holder shell 50, a part of the reflector 70 is arranged on the receiving component 80. Figure 1 as well as Figure 2 As shown, a portion of the reflector 70 is located above the second opening 30b of the lampshade 30. Furthermore, the reflector 70 is positioned closest to the ceiling 2 among the components constituting the lighting device 1. The reflector 70 constitutes a peripheral component of the lighting device 1. Therefore, the user sees not only the lampshade 30 but also the reflector 70.

[0084] Furthermore, a portion of the reflector 70 is located above the second opening 30b of the globe 30. Specifically, the reflector 70 includes a reflecting portion 71 that is located above the second opening 30b of the globe 30 and reflects the light emitted from the light source 10.

[0085] The reflecting portion 71 has a reflecting surface that reflects the light irradiated from the light source 10. In the present embodiment, the reflecting surface of the reflecting portion 71 is the outer surface of the reflecting portion 71. The reflecting surface of the reflecting portion 71 is formed in such a manner that the light irradiated from the light source 10 is directed in a desired direction. As an example, the reflecting surface of the reflecting portion 71 is a curved surface. Specifically, the shape of the reflecting portion 71 is a cylinder with a curved outer surface. In the present embodiment, the shape of the outer surface of the reflecting portion 71 is formed so that the outer diameter gradually increases toward the ceiling 2 side. In addition, the reflecting surface of the reflecting portion 71 is not limited to a curved surface. For example, the reflecting surface of the reflecting portion 71 may be a plane that is inclined relative to the ceiling 2. In this case, the shape of the outer surface of the reflecting portion 71 is a truncated cone.

[0086] The reflector 70 also has a fixing portion 72 fixed to the supporting member 80. The fixing portion 72 is placed on the intermediate portion 82 of the supporting member 80 and is fixed to the intermediate portion 82. The fixing portion 72 is plate-shaped. Specifically, the fixing portion 72 is a circular plate with a constant thickness. The fixing portion 72 is formed in a manner to cover the opening on the ground side of the reflecting portion 71. That is, the reflecting portion 71 is formed so that its outer diameter gradually increases from the outer peripheral end of the fixing portion 72 toward the ceiling 2 side. In addition, the opening of the reflecting portion 71 on the ceiling 2 side is in an open state. Therefore, the overall shape of the reflector 70 is a teacup shape that expands outward toward the ceiling 2 side. In addition, a through hole for the cable 60 to pass through is provided in the fixing portion 72.

[0087] The reflector 70 is a plate-shaped reflector. In this embodiment, the thickness of the reflector 70 is constant. The reflector 70 is formed, for example, from a resin material or a metal material. Specifically, the reflector 70 can be a white resin molded article made from a resin material such as PBT (polybutylene terephthalate), or can be formed by forming a metal film such as aluminum on the inner surface of the resin molded article, or can be formed from a metal plate made of a metal material such as aluminum. In this embodiment, the reflector 70 is formed by stamping a metal plate made of aluminum.

[0088] The bearing member 80 is a supporting member for supporting the lampshade 30. Figure 1 As shown, the receiving member 80 includes a shade support portion 81 that supports the shade 30 , and an intervening portion 82 that is positioned between the fixing portion 72 of the reflector 70 and the cover member 52 of the socket housing 50 .

[0089] like Figure 5 as well as Figure 6 As shown in FIG. 1 , the lampshade support portion 81 and the intermediary portion 82 are plate-shaped. Specifically, the intermediary portion 82 is circular. Figure 1As shown, the lampshade support portion 81 is configured to protrude outward from the intermediary portion 82. In this embodiment, the lampshade support portion 81 is annular with a certain width. Furthermore, the lampshade support portion 81 is inclined relative to the intermediary portion 82, tilting upward from the intermediary portion 82. Specifically, the outer and inner surfaces of the lampshade support portion 81 are truncated cone-shaped. The shape of the lampshade support portion 81 is not limited to this.

[0090] The shade support portion 81 supports the shade 30 by abutting against the receiving member abutting portion 32 of the shade 30. Specifically, the outer peripheral end of the shade support portion 81 abuts against the lower surface of the receiving member abutting portion 32 of the shade 30, and the shade support portion 81 supports the receiving member abutting portion 32 from the lower side.

[0091] The shade support portion 81 protruding from the intermediary portion 82 covers at least a portion of the second opening 30b of the shade 30. In the present embodiment, the shade support portion 81 is formed so as to block the entire second opening 30b.

[0092] Although the supporting component 80 is in contact with the lampshade 30, they are not fixed to each other. Specifically, the lampshade supporting portion 81 of the supporting component 80 is in contact with the supporting component abutting portion 32 of the lampshade 30 but is not fixed. That is, the lampshade supporting portion 81 and the supporting component abutting portion 32 are not fixed by fixing components such as screws or adhesives, and the lampshade 30 becomes movable when an external force is applied. The lampshade supporting portion 81 freely supports the lampshade 30, and the lampshade 30 becomes a state of being placed on the supporting component 80. Accordingly, since the lampshade 30 can be moved, the position of the lampshade 30 can be adjusted and the inclination of the lampshade 30 can be adjusted.

[0093] The intermediary portion 82 of the receiving component 80 is held between the fixing portion 72 of the reflector 70 and the cover member 52 of the lamp holder housing 50. The intermediary portion 82 is provided with a through-hole for passing the cable 60. The reflector 70, the receiving component 80, the lamp holder housing 50, and the support plate 40 are fixed together by being fastened together with screws 90. Specifically, the fixing portion 72 of the reflector 70, the intermediary portion 82 of the receiving component 80, the cover member 52 of the lamp holder housing 50, and the mounting portion 42 of the support plate 40 are fixed together by screws 90.

[0094] In the receiving member 80, at least the shade support portion 81 is light-transmissive. In this embodiment, not only the shade support portion 81 is light-transmissive, but also the intermediate portion 82. That is, the entire receiving member 80 is light-transmissive.

[0095] The lampshade support portion 81 and the intermediary portion 82 are integrally formed from the same material, and the receiving member 80 is an integrally molded product. The receiving member 80 is made of a translucent material. The translucent receiving member 80 is made of a translucent resin material such as acrylic resin or polycarbonate, glass material, or translucent ceramic material.

[0096] In this embodiment, the supporting component 80 is transparent. That is, the lampshade support portion 81 and the intermediate portion 82 are both transparent. In this case, the supporting component 80 can have a high light transmittance to the extent that it can be seen from the opposite side. As an example, the light transmittance of the supporting component 80 is 90% or more, preferably 95% or more, and more preferably 98% or more. The transparent supporting component 80 can be formed using a transparent resin material such as acrylic resin or polycarbonate, a transparent glass material, or a transparent ceramic material. In this embodiment, the transparent supporting component 80 is made of acrylic resin.

[0097] Next, the optical effects of the lighting device 1 having the above-described configuration will be described in comparison with a lighting device 1X of a comparative example. Figure 7 is a perspective view of the appearance of a lighting device 1X of a comparative example, Figure 8 It is a cross-sectional view of a lighting device 1X according to a comparative example. Figure 9 It is a perspective view of a receiving member 80X used in a lighting device 1X of a comparative example. Figure 10 FIG. 1 shows how the lighting device 1 according to the embodiment is turned on. Figure 8 as well as Figure 10 In FIG. 1 , the solid arrows represent the light emitted from the light source 10 and directed downward, and the dotted arrows represent the light emitted from the light source 10 and directed upward.

[0098] like Figure 7 as well as Figure 8 As shown, the lighting device 1X of the comparative example is an upward reflective hanging lighting fixture, which includes: a light source 10, a lamp holder 20X on which the light source 10 is installed, a lampshade 30X covering the light source 10, a supporting plate 40X supporting the lamp holder 20X, a reflector 70X arranged above the lamp holder 20X, and a supporting component 80X supporting the lampshade 30X.

[0099] The lampshade 30X includes a first opening 30a, which opens to the ground, a second opening 30b, which opens to the ceiling 2, a cylindrical lampshade body 31X, and a receiving member contact portion 32X that contacts the receiving member 80X. Furthermore, the reflector 70X includes a curved reflecting portion 71X, a disc-shaped bottom plate 72X, and cylindrical side plates 73X. The lamp holder 20X and the support plate 40X are housed within the reflector 70X.

[0100] The bearing member 80X is made of a metal plate, such as Figure 9 As shown, it has an annular mounting portion 81X mounted on the reflector 70X, an annular support portion 82X supporting the receiving member contact portion 32X of the lampshade 30X, and three connecting portions 83X connecting the mounting portion 81X and the support portion 82X.

[0101] In the lighting device 1X of the comparative example having the receiving member 80X of such a structure, as shown in FIG. Figure 7 as well as Figure 8 As shown, the connecting portion 83X of the receiving member 80X is provided in a manner that spans the second opening 30b of the lampshade 30X. Figure 8 As shown, a portion of the light emitted from the light source 10 that is directed toward the reflective portion 71X of the reflector 70X is blocked by the connecting portion 83X of the metal receiving member 80X when passing through the second opening 30b of the lampshade 30X. This shadow cast by the connecting portion 83X of the receiving member 80X is cast on the reflective surface of the reflective portion 71X, causing uneven light distribution. Thus, a problem with the lighting device 1X of the comparative example is its aesthetic appearance when lit.

[0102] Furthermore, if the diameter of the comparative example lighting device 1X is reduced for miniaturization, the proximity of the support portion 82X of the receiving component 80X to the reflective portion 71X of the reflector 70X will cause the shadow cast by the connecting portion 83X of the receiving component 80X to darken the reflective portion 71X. This will further reduce the aesthetic appeal of the lighting device 1X. As described above, miniaturization of the comparative example lighting device 1X, which includes the receiving component 80X, is difficult.

[0103] In contrast, in the lighting device 1 according to the present embodiment, the shade support portion 81 of the receiving member 80 has light transmissivity. That is, the shade support portion 81 covers the second opening 30b of the shade 30 but allows light to pass therethrough.

[0104] Through this construction, Figure 10 As shown, all of the light emitted from the light source 10 and directed toward the reflecting portion 71 of the reflector 70 passes through the second opening 30b of the lampshade 30 and is transmitted through the lampshade support portion 81. Consequently, all of the light emitted from the light source 10 and directed toward the reflecting portion 71 of the reflector 70 is incident on and reflected by the reflecting portion 71 of the reflector 70. This prevents the receiving member 80 from casting a shadow on the reflecting surface of the reflecting portion 71, thereby suppressing uneven light distribution.

[0105] As described above, the lighting device 1 according to the present embodiment can suppress the receiving member 80 supporting the shade 30 from casting a shadow on the reflector 70. This can improve the appearance when lighting.

[0106] Furthermore, since the shadow cast by the receiving member 80 can be suppressed, the reflector 70 can be easily reduced in diameter in the lighting device 1 of this embodiment, thereby easily miniaturizing the lighting device 1. Specifically, as described above, in the lighting device 1X of the comparative example, if the reflector 70X is reduced in diameter, the receiving member 80X and the reflector 70X are brought closer together, and the connecting portion 83X, which spans the second opening 30b of the shade 30X, blocks light, causing the shadow cast by the connecting portion 83X to darken the reflector 70X. However, in the lighting device 1 of this embodiment, even if the shade support portion 81 covers the second opening 30b of the shade 30, the shade support portion 81 is light-transmissive. Therefore, even if the reflector 70 is reduced in diameter and the receiving member 80 and the reflector 70 are brought closer together, the shadow cast by the receiving member 80 on the reflector 70 can be suppressed. Therefore, in the lighting device 1 of this embodiment, the lighting device 1 can be easily miniaturized.

[0107] Furthermore, in the lighting device 1X of the comparative example, the lamp holder 20X and the support plate 40X can be housed inside the reflector 70X. However, in the lighting device 1 according to this embodiment, since the reflector 70 has a reduced diameter, the lamp holder 20 and the support plate 40 cannot be housed inside the reflector 70. Specifically, the lamp holder 20 and the support plate 40 are arranged below the reflector 70. In other words, the lamp holder 20 and the support plate 40 are arranged outside the reflector 70.

[0108] Therefore, in the lighting device 1 according to the present embodiment, a socket cover 50 that covers the socket 20 is separately provided.

[0109] This configuration prevents the charging portion of the lamp holder 20 and cable 60 from being exposed, thus preventing users from touching the charging portion of the lamp holder 20 and the like, which could result in electric shock, when replacing the light source 10. Thus, the lighting device 1 of this embodiment utilizes a receiving member 80 and a lamp holder housing 50 that are less prone to light unevenness, thereby improving the aesthetics of the lighting device 1 and achieving a compact design while ensuring safety.

[0110] Furthermore, in the lighting device 1 according to this embodiment, the minimum diameter of the reflector 70 is substantially the same as the maximum outer diameter of the lamp holder 20, but this is not limiting. Specifically, the minimum diameter of the reflector 70 may be smaller than the maximum outer diameter of the lamp holder 20. Furthermore, the minimum diameter of the reflector 70 may also be smaller than the maximum outer diameter of the lamp holder housing 50.

[0111] This configuration allows the reflector 70 to be further reduced in diameter, thereby further miniaturizing the lighting device 1. Furthermore, in this embodiment, the minimum diameter of the reflector 70 is the outer diameter of the lower end of the reflective portion 71 (= the outer diameter of the fixing portion 72). Furthermore, while the minimum diameter of the reflector 70 can be larger than the maximum outer diameter of the lamp holder 20, it is preferable that the minimum diameter of the reflector 70 be not excessively large. For example, when the minimum diameter of the reflector 70 is φ1 and the maximum outer diameter of the lamp holder 20 is φ2, φ1 ≤ 1.5 × φ2 can be achieved. Alternatively, φ1 ≤ 1.2 × φ2, φ1 ≤ 1.3 × φ2, or φ1 ≤ 1.8 × φ2 can be achieved.

[0112] Furthermore, in the lighting device 1 involved in this embodiment, the reflector 70 has a reflecting portion 71 and a fixing portion 72, the reflecting portion 71 is located above the second opening 30b of the lampshade 30 and reflects the light irradiated from the light source 10, the fixing portion 72 is fixed to the receiving component 80, the lamp holder housing 50 has a cylindrical shell body 51 covering the side of the lamp holder 20, and a cover component 52 covering the opening of the shell body 51, and the receiving component 80 has an intermediary portion 82 located between the fixing portion 72 of the reflector 70 and the cover component 52 of the lamp holder housing 50.

[0113] Thus, the receiving member 80 is provided with the intervening portion 82 between the fixing portion 72 of the reflector 70 and the cover member 52 of the socket housing 50 , thereby stably holding the receiving member 80 .

[0114] Furthermore, in the lighting device 1 according to the present embodiment, the shade support portion 81 of the receiving member 80 is provided so as to protrude outward from the intermediary portion 82 .

[0115] With this structure, the portion of the second opening 30 b of the lampshade 30 that is not covered by the intermediary portion 82 of the receiving member 80 , the fixing portion 72 of the reflector 70 , and the cover member 52 of the lamp holder housing 50 (the gap in the opening) can be easily blocked by the lampshade support portion 81 .

[0116] Specifically, in the present embodiment, the shade support portion 81 of the receiving member 80 is formed so as to entirely block the second opening 30 b of the shade 30 .

[0117] This configuration can prevent the light from the light source 10 irradiating the reflective portion 71 of the reflector 70 from forming a mottled pattern, thereby obtaining uniform projection light covering the entire circumference of the reflective portion 71. This further improves the aesthetic appearance when lighting.

[0118] Furthermore, the lighting device 1 according to the present embodiment includes a support plate 40 located above the lamp holder 20 , and the lamp holder case 50 , the receiving member 80 , the reflector 70 , and the support plate 40 are arranged in this order and fixed together.

[0119] This configuration not only improves the assembling workability of the socket case 50 , the receiving member 80 , the reflector 70 , and the support plate 40 , but also allows the socket case 50 , the receiving member 80 , the reflector 70 , and the support plate 40 to be firmly fixed.

[0120] (Variation)

[0121] The lighting device according to the present invention has been described above based on the embodiments, but the present invention is not limited to the above-mentioned embodiments.

[0122] For example, in the above-mentioned embodiment, the light-transmitting receiving component 80 is transparent, but the present invention is not limited to this. Specifically, the light-transmitting receiving component 80 may also be translucent with light transmission and diffusivity. That is, the lampshade support portion 81 and the intermediate portion 82 may each be light-transmitting and diffusive. In this case, the receiving component 80 is milky white. The translucent receiving component 80 can be formed using a light-transmitting resin material such as acrylic resin or polycarbonate, or a glass material. For example, the translucent receiving component 80 can be formed by dispersing a light-diffusing material such as silicon particles in a light-transmitting resin material.

[0123] Alternatively, the light-transmitting and diffusive receiving member 80 may be formed by forming a milky white light-diffusing film, such as a light-diffusing material, on the surface (inner or outer surface) of a transparent member, rather than dispersing the light-diffusing material within. Alternatively, the light-diffusing receiving member 80 may be formed by applying a diffusing process to a transparent resin cover or a transparent glass cover without using a light-diffusing material. For example, the light-transmitting and diffusive receiving member 80 may be formed by applying a surface treatment such as surface texturing or printing a dot pattern on the surface of the transparent resin cover or the transparent glass cover.

[0124] Thus, the receiving member 80 may be translucent instead of transparent, but preferably transparent. By making the receiving member 80 transparent, more light emitted from the light source 10 can be irradiated onto the reflector 70 compared to a translucent receiving member 80.

[0125] Furthermore, in the above-described embodiment, the shade support portion 81 of the receiving member 80 is formed so as to completely block the second opening 30b of the shade 30, but this is not limiting. Specifically, the shade support portion 81 may have one or more through-holes that transmit light from the light source 10. Furthermore, if multiple through-holes are provided in the shade support portion 81, they may be evenly spaced along the circumference of the shade support portion 81. Providing through-holes in the shade support portion 81 thus allows a predetermined pattern, such as a piebald pattern, to be projected onto the reflective portion 71 of the reflector 70. This enables the projection of patterned light when the light is turned on, thus achieving a lighting device 1 with excellent creative appeal. Furthermore, while the receiving member 80X of the comparative example lighting device 1X has gaps, it is made of metal and thus has light-shielding properties. Consequently, in the comparative example lighting device 1X, the difference in brightness between the light projected onto the reflective portion 71X of the reflector 70X is large, resulting in a lack of creative appeal. However, in the lighting device 1 of this variation, even though a through hole is provided in the shade support portion 81, the shade support portion 81 is light-transmissive, so the difference in brightness between the light projected onto the reflective portion 71 of the reflector 70 is small, resulting in a softer shadow. Therefore, the lighting device 1 of this variation has superior creativity compared to the lighting device 1X of the comparative example. Furthermore, by providing a through hole in the shade support portion 81, the second opening 30b of the shade 30 is not completely blocked, allowing heat within the shade 30 to escape through the second opening 30b. Consequently, heat dissipation can be improved compared to the lighting device 1 of the aforementioned embodiment.

[0126] Furthermore, in the above embodiment, the light source 10 is an LED lamp with a GX53 lamp base, but the present invention is not limited thereto. Specifically, the light source 10 may also be an LED lamp with an E-type lamp base such as an E26 lamp base or other types of lamp bases.

[0127] Furthermore, in the above embodiment, although light source 10 employs an LED lamp, this is not limiting. For example, light source 10 may employ a semiconductor laser or an organic EL (electroluminescence) lamp, or may be a fluorescent lamp or an incandescent bulb. Furthermore, light source 10 is not limited to being replaceable and may be non-replaceable.

[0128] Furthermore, in the above-described embodiment, the lighting device 1 includes the light source 10, but the present invention is not limited thereto. Specifically, the lighting device 1 may not include the light source 10. In other words, the lighting device 1 without the light source 10 may be commercially available.

[0129] In addition, the forms obtained by performing various modifications that can be thought of by those skilled in the art on the above-mentioned embodiments, and the forms realized by arbitrarily combining the constituent elements and functions of the above-mentioned embodiments without departing from the main purpose of the present invention are all included in the present invention. Furthermore, the forms obtained by arbitrarily combining one or more constituent elements of each of the multiple claims recorded in the claims when making this application are also included in the present invention. Furthermore, when the cited form claims recorded in the claims when making this application are set as multiple claims or multiple-reference claims that quote any multiple claims (for example, for each claim, it is set as multiple claims or multiple-reference claims in a manner that quotes all the upper claims), the forms obtained by combining all the claims included in the multiple claims or multiple-reference claims are also included in the present invention.

Claims

1. A lighting device, characterized in that: The lighting device comprises: Lamp holder for mounting the light source; a lampshade covering the light source; a reflector located above the lamp holder and reflecting light from the light source; as well as The receiving member is fixed to the reflector, The lampshade has an opening for light from the light source to pass through, The receiving member includes a lampshade support portion that covers at least a portion of the opening and supports the lampshade. The lampshade supporting portion is light-transmissive.

2. The lighting device according to claim 1, wherein The lighting device further includes a lamp holder housing covering the lamp holder. The minimum diameter of the reflector is smaller than the maximum outer diameter of the lamp holder shell.

3. The lighting device according to claim 2, wherein: The reflector includes a reflecting portion and a fixing portion. The reflecting portion is located above the opening and reflects the light irradiated from the light source. The fixing portion is fixed to the receiving member. The lamp holder shell has a shell body and a cover member. The shell body is cylindrical and covers the side of the lamp holder. The cover member covers the opening of the shell body. The receiving member includes an intervening portion located between the fixing portion and the cover member.

4. The lighting device according to claim 3, wherein The lampshade support portion is provided to protrude outward from the intermediary portion.

5. The lighting device according to claim 3, wherein The lighting device further comprises a support plate located above the lamp holder. The lamp holder housing, the receiving component, the reflector, and the support plate are fixed together.

6. The lighting device according to any one of claims 1 to 5, characterized in that: The lampshade support portion is formed to block the entire opening.

7. The lighting device according to any one of claims 1 to 5, characterized in that: The shade support portion has a through hole that transmits light from the light source.

8. The lighting device according to any one of claims 1 to 5, characterized in that: The lampshade supporting portion is transparent.

9. The lighting device according to any one of claims 1 to 5, characterized in that: The lighting device is a hanging type lighting device hung on a structure.

10. The lighting device according to any one of claims 1 to 5, characterized in that: A light source is mounted on the lamp holder.

Images