Lighting panel

Abstract

We provide lighting panels with a high level of design appeal. [Solution] The lighting panel 1 comprises a frame material 3, a panel 5 attached to the frame material, and a light source positioned behind the panel, wherein the panel transmits light, a front pattern 5a and a colored portion are provided on the front of the panel, and a rear pattern is positioned behind the panel, and when the light source is off, the rear pattern is hidden by the colored portion and the front pattern is visible, and when the light source is on, the rear pattern is transmitted to the front and both the front and rear patterns are visible, wherein the rear pattern is provided on the back surface of the panel. The portion of the rear pattern corresponds to the position of the front non-patterned portion 5b, so the rear pattern does not interfere with the front pattern. Also, the portion of the front pattern corresponds to the position of the rear non-patterned portion, so the rear pattern does not interfere with the front pattern. Therefore, a composite pattern 5e, which is a combination of the front pattern and the rear pattern, can be seen in front of the lighting panel.

Description

Technical Field

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[0001] The present invention relates to a lighting panel capable of irradiating light from the rear of a panel.

Background Art

[0008] The aforementioned rear design may be provided on the back surface of the panel.

[0009] A frame-shaped spacer may be placed between the panel and the substrate portion that holds the light source, and the spacer may be used to maintain the distance between the light source and the panel.

[0010] Multiple light sources may be arranged, and a lens or film may be placed between each light source and the panel.

[0011] According to this invention, by providing a front pattern on the front of the panel, as well as a rear pattern on the rear of the panel, when the light source at the rear of the panel is turned on, both the front and rear patterns can be made to stand out. Therefore, when the light is off, only the front pattern is visible, and when the light is on, the rear pattern is made to stand out, thereby enhancing the design.

[0012] Furthermore, by placing the rear image on the back of the panel, both the front and rear images can be viewed on a single panel when the light source is illuminated. Therefore, there is no need to use multiple panels.

[0013] Furthermore, by using spacers to maintain the distance between the light source and the panel, uneven brightness across the panel can be suppressed, allowing light to be irradiated almost uniformly across the entire panel.

[0014] Furthermore, by placing a lens or film in front of the light source, the light can be diffused appropriately, suppressing localized glare. [Effects of the Invention]

[0015] According to this invention, it is possible to provide a lighting panel with a high level of design appeal. [Brief explanation of the drawing]

[0016] [Figure 1] Exploded perspective view of lighting panel 1. [Figure 2] Assembly perspective view of lighting panel 1. [Figure 3] (a) is a cross-sectional view of lighting panel 1, (b) is an enlarged schematic view of part A of (a), and (c) is a diagram showing another form. [Figure 4] (a) is a schematic diagram showing the front of panel 5, and (b) is a schematic diagram showing the back of panel 5. [Figure 5] (a) is a conceptual front view of lighting panel 1 when the light source is off, and (b) is a conceptual front view of lighting panel 1 when the light source is on. [Modes for carrying out the invention]

[0017] The embodiments of this invention will be described below with reference to the drawings. Figure 1 is an exploded perspective view of the lighting panel 1, and Figure 2 is an assembled perspective view of the lighting panel 1. Figure 3(a) is a cross-sectional view of the lighting panel 1. In the following figures, wiring and other components will not be shown.

[0018] The lighting panel 1 is mainly composed of a frame material 3, a panel 5, a spacer 7, a base plate 9, etc. The frame material 3 is roughly rectangular and is an annular member with holes formed through its front and rear surfaces. The front side of the frame material 3 (upper part in Figures 1 and 2) is provided with a protrusion 3a that projects inward. The protrusion 3a is formed around the entire circumference on the inner side of the frame material 3. In other words, the opening dimension on the front side of the frame material 3 is smaller than the opening dimension on the rear side.

[0019] The panel 5 is fitted into the frame member 3 from the opening on the back side of the frame member 3. The panel 5 is composed of a translucent member. For example, the panel 5 is made of transparent resin or glass. A pattern such as a picture, a pattern, or a photograph is attached to the panel 5. The details of the pattern aspect will be described later. Here, since the panel 5 is larger than the opening dimension formed by the convex portion 3a of the frame member 3, the periphery of the panel 5 contacts the back side of the convex portion 3a and is positioned.

[0020] A spacer 7 is disposed behind the panel 5. The spacer 7 is a frame-shaped member having a predetermined thickness and can be inserted into the frame member 3. The outer dimension of the spacer 7 is substantially the same as the outer dimension of the panel 5. For this reason, the panel 5 is sandwiched between the convex portion 3a of the frame member 3 and the spacer 7.

[0021] A substrate portion 9 is disposed behind the spacer 7. A light source member 11 is disposed on the front side of the substrate portion 9. FIG. 3(b) is an enlarged conceptual view of part A in FIG. 3(a). The light source member 11 has a base material 11a and a plurality of light sources 11b disposed on the base material 11a. The base material 11a holds the light sources 11b and has wirings of the light sources 11b. The light source 11b is, for example, an LED light source. That is, the light source member 11 is, for example, a tape-shaped LED light source.

[0022] On the front surface of each light source 11b, a film 11c such as a translucent film is disposed as necessary. The film 11c is a member for appropriately diffusing the light from the light source 11b. Note that a lens may be used instead of the film. Also, as shown in FIG. 3(c), instead of the film 11c, a film 7a may be attached to the front side of the spacer 7. That is, a film or the like may be disposed between the light source 11b and the panel 5. By doing so, unevenness in luminance at the position of the light source 11b and other positions can be suppressed. Note that the film and the lens are not necessarily essential.

[0023] Furthermore, since the external dimensions of the substrate portion 9 are approximately the same as those of the spacer 7, the spacer 7 is placed between the panel 5 and the substrate portion 9 that holds the light source 11b. In other words, the spacer 7 maintains the distance between the light source 11b and the panel 5. As a result, the light from the light source 11b is diffused and spread out appropriately, thus achieving the aforementioned reduction in brightness unevenness.

[0024] The base plate 9 is fixed to the frame material 3 by fasteners (not shown in the illustration). That is, the panel 5, spacer 7, and base plate 9 are arranged inside the frame material 3 in that order, and the whole is integrated. A reflective member may be placed on the inner surface of the space behind the panel 5 (the inner surface of the spacer 7 and the front surface of the base plate 9 other than the light source member 11). In addition, a stand for propping up the lighting panel 1 or a hanging part for hanging it on a wall may be provided on the back side of the base plate 9.

[0025] Next, the details of panel 5 will be described. As mentioned above, panel 5 is covered with a predetermined pattern. Figure 4(a) is a front view of panel 5, and Figure 4(b) is a rear view of panel 5. The front of panel 5 is covered with a front pattern 5a, and a front non-patterned area 5b is provided around the front pattern 5a (the area other than the front pattern 5a). For simplicity, the color scheme of the front pattern 5a is omitted in the illustration, but the front pattern 5a can be in color or black and white. In this embodiment, the pattern is not particularly limited in form and can be an illustration, design, text, photograph, etc.

[0026] On the rear side of panel 5, the area corresponding to the front pattern 5a becomes the rear non-patterned area 5d, and the area corresponding to the front non-patterned area 5b becomes the rear pattern 5c. The rear pattern 5c is also a color or black and white pattern. In this embodiment, the front non-patterned area 5b and the rear non-patterned area 5d refer to areas without patterns, and are, for example, colored in white, but may also be colored in a single color other than white. Furthermore, coloring the rear non-patterned area 5d is not necessarily required.

[0027] The paint used to make up the patterns on panel 5 is not particularly limited, but for example, it is a translucent paint (semi-transparent paint or light-diffusing paint). That is, the front pattern 5a, the front unpatterned area 5b, the rear pattern 5c, and the rear unpatterned area 5d all transmit light. On the other hand, the front unpatterned area 5b and the rear unpatterned area 5d can generally conceal the patterns on their backs. For example, when the light source 11b is turned off, the rear pattern 5c is not easily visible through the front unpatterned area 5b. Therefore, when the light source 11b is turned off, generally only the front pattern 5a (and the front unpatterned area 5b) is visible on the front of panel 5.

[0028] Next, the function of the lighting panel 1 will be explained. Figure 5 is a front view of the lighting panel 1. As mentioned above, under normal conditions (when the light source 11b is turned off), the front pattern 5a attached to the front of the panel 5 can be seen.

[0029] Next, when the light source 11b is turned on, the rear pattern 5c is transmitted forward by the light source 11b, as shown in Figure 5(b). Since the portion of the rear pattern 5c corresponds to the position of the front non-patterned portion 5b, the rear pattern 5c does not interfere with the front pattern 5a. Also, since the portion of the front pattern 5a corresponds to the position of the rear non-patterned portion 5d, the rear pattern 5c does not interfere with the front pattern 5a. As a result, the composite pattern 5e, which is a combination of the front pattern 5a and the rear pattern 5c, can be clearly seen in front of the lighting panel 1 by the light source 11b.

[0030] As described above, according to this embodiment, when the light source 11b is turned off, the colored portion on the front of the panel 5 can hide the rear pattern 5c, making only the front pattern 5a visible. On the other hand, when the light source 11b is turned on, the rear pattern 5c is transmitted to the front, making both the front pattern 5a and the rear pattern 5c visible. In this way, when the light source 11b is turned on, a different pattern from the one when it is turned off can be made to stand out on the front of the panel 5, resulting in a lighting panel with a high level of design appeal.

[0031] In this configuration, by placing films 7a, 11c and lenses in front of the light source 11b, the light can be diffused appropriately. Furthermore, the spacer 7 allows for adjustment of the distance between the light source 11b and the panel 5. Therefore, brightness unevenness caused by the light source 11b can be suppressed.

[0032] Although embodiments of the present invention have been described above with reference to the attached drawings, the technical scope of the present invention is not limited to the embodiments described above. It is clear to those skilled in the art that various modifications or alterations can be conceived within the scope of the technical idea described in the claims for utility model registration, and these will naturally also be understood to fall within the technical scope of the present invention.

[0033] For example, in the embodiment described above, a front pattern 5a and a rear pattern 5c are provided on the front and back surfaces of the same panel 5, respectively, but this is not limited to this. A panel having a front pattern 5a and a panel having a rear pattern 5c may be separate, and the panel with the rear pattern 5c may be placed on top of the rear surface of the panel with the front pattern 5a. In this case, three or more panels may be stacked, and some of them may be interchangeable.

[0034] Furthermore, the light-emitting color of the light source 11b may be changed. Also, instead of applying a pattern to the panel 5 with paint, a film with a pattern applied to it may be attached to the panel 5. In addition, in the above embodiment, the patterns on the front and back may be reversed. In this case, the front pattern 5a becomes the rear pattern 5d, and the rear pattern 5d becomes the front pattern 5a. Even in this case, a composite pattern 5e can be obtained. [Explanation of symbols]

[0035] 1… Lighting panel 3……Frame material 3a... protruding part 5... Panel 5a... Front design 5b... Front non-patterned area 5c... Rear illustration 5d... Rear non-picture area 5e... Composite image 7... Spacer 7a... Film 9……Circuit board section 11…Light source component 11a……Base material 11b……Light source 11c...film

Claims

1. Frame material and, A panel attached to the frame material, A light source positioned behind the panel, It is equipped with, The panel transmits light, and a front pattern and colored area are provided on the front of the panel, while a rear pattern is positioned behind the panel. When the light source is turned off, the rear pattern is hidden by the colored portion, and the front pattern is visible. A lighting panel characterized in that, when the light source is lit, the rear pattern is transmitted to the front, making it possible to view the front pattern and the rear pattern.

2. The lighting panel according to claim 1, characterized in that the rear pattern is provided on the back surface of the panel.

3. The lighting panel according to claim 1, wherein a frame-shaped spacer is placed between the panel and the substrate portion that holds the light source, and the distance between the light source and the panel is maintained by the spacer.

4. The lighting panel according to claim 1, characterized in that a plurality of the aforementioned light sources are arranged, and a lens or film is placed between each of the aforementioned light sources and the panel.

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