JP6728597B2 - Solar cell composite display - Google Patents

Description

The present invention relates to a solar cell composite display including a display surface for displaying and capable of generating electric power by a solar cell panel.

As an example of such a solar cell composite display, a traffic sign provided with a solar cell panel is described in Patent Document 1. In the traffic sign described in Patent Document 1, it is possible to store the electric power generated by the solar cell panel in the daytime and use the stored electric power as a power source for lighting to improve the visibility at night and the effect of alerting during the daytime. it can. Further, since a wiring cable or the like for supplying electric power from the outside is unnecessary, it can be easily installed even in an area where there is no power supply facility. Against this background, the development of traffic signs equipped with solar cell panels has been promoted in recent years.

JP, 2000-54325, A

In the traffic sign described in Patent Document 1, a solar cell panel is provided above the display surface. The light receiving surface of the solar cell panel is exposed to the outside so that a large amount of power generation can be obtained by receiving a large amount of external light. For this reason, the light receiving surface of the solar cell panel is in a position where it is easily visible by an observer who observes the traffic sign. However, since the light-receiving surface of the solar cell panel is a single color such as dark blue or black, the appearance of the solar cell panel does not match the surrounding environment.

The present invention has been made in consideration of the above points, and provides a solar cell composite display capable of achieving harmonization with the surrounding environment and achieving both display on the display surface and power generation by the solar cell panel. The purpose is to do. Another object of the present invention is to provide a method for installing such a solar cell composite display.

The solar cell composite display according to the present invention includes a sheet member having a first surface and a second surface facing the first surface, and a solar cell panel arranged facing the second surface of the sheet member. A frame member that holds at least the solar cell panel;
On the sheet member, a plurality of display surfaces each inclined with respect to the panel surface of the solar cell panel are arranged along a uniaxial direction.

In the solar cell composite display according to the present invention, the solar cell panel includes a light receiving surface facing the second surface of the sheet member, a back surface facing the light receiving surface, and the light receiving surface and the back surface. A side surface that extends, and the frame member has a frame body that holds the solar cell panel while facing the side surface of the solar cell panel, and the frame body has the solar cell panel as a reference. It may extend toward the sheet member side along a normal line direction of the sheet member from a region opposite to the sheet member.

In the solar cell composite display according to the present invention, the solar cell panel includes a light receiving surface facing the second surface of the sheet member, a back surface facing the light receiving surface, and the light receiving surface and the back surface. A side surface that extends, and the frame member has a frame body that holds the solar cell panel while facing the side surface of the solar cell panel, and the frame body has the solar cell panel as a reference. It may extend toward the sheet member side along a normal line direction of the sheet member from a region opposite to the sheet member.

In the solar cell composite-type display body according to the present invention, the frame body may project beyond the light receiving surface of the solar cell panel toward the sheet member side.

In the solar cell composite display according to the present invention, the frame has a front end face that faces a direction along a normal line direction of the sheet member, and the front end face of the frame is the first member of the sheet member. One surface may be aligned with the position along the normal direction of the sheet member.

In the solar cell composite display according to the present invention, the frame extends from the second surface side of the sheet member beyond the first surface, and protrudes from the first surface in a normal direction of the sheet member. May be.

In the solar cell composite display according to the present invention, at least a part of a region of the frame projecting to the sheet member side with respect to the light receiving surface of the solar cell panel may be light transmissive.

In the solar cell composite display according to the present invention, a region of the frame projecting to the sheet member side from the light receiving surface of the solar cell panel is a surface facing the side surface of the solar cell panel, It may have a reflection treated surface.

In the solar cell composite-type display body according to the present invention, the frame body may hold the solar cell panel and the sheet member at a distance.

In the solar cell composite-type display body according to the present invention, a region of the frame body between the solar cell panel and the sheet member in a direction normal to the sheet member may be light transmissive.

In the solar cell composite display according to the present invention, the frame has a front end surface that faces a direction along a normal line direction of the sheet member, and the front end surface of the frame body is a normal line of the sheet member. Is located at a position between the light receiving surface and the back surface of the solar cell panel in the direction, or the light receiving surface of the solar cell panel and the position along the normal direction of the sheet member are coincident with each other. May be.

In the solar cell composite display according to the present invention, the sheet member may cover the tip surface of the frame.

In the solar cell composite display according to the present invention, the solar cell panel may be supported by the frame member so that the relative inclination between the solar cell panel and the sheet member can be changed.

In the solar cell composite display according to the present invention, the solar cell panel is configured by arranging a plurality of panel components, and the frame member has an inner frame that passes between two adjacent panel components. Good.

In the solar cell composite display according to the present invention, the inner frame has a front end surface that faces a direction along a normal line direction of the sheet member, and the sheet member covers the front end surface of the inner frame. You may.

In the solar cell composite display according to the present invention, the sheet member may be formed by arranging a plurality of sheet components, and each sheet component may cover a corresponding panel component.

In the solar cell composite display according to the present invention, the sheet member may be formed by arranging a plurality of sheet components.

In the solar cell composite display according to the present invention, the display surface is observed when the solar cell composite display is observed from a certain direction, and the solar cell composite display is observed from another direction different from the certain direction. The light incident on may pass through between two adjacent display surfaces and reach the solar cell panel.

In the solar cell composite display according to the present invention, the second surface of the sheet member includes a plurality of orientation adjusting surfaces and a plurality of light transmitting surfaces alternately arranged in a uniaxial direction, and the orientation adjusting surface is The solar cell panel is inclined with respect to the panel surface, the light transmitting surface is inclined with respect to the panel surface of the solar cell panel at an angle different from the orientation adjusting surface, and the display surface is provided on the orientation adjusting surface. May be arranged.

In the solar cell composite display according to the present invention, the second surface of the sheet member includes a plurality of lens surfaces arranged along the uniaxial direction, and each display surface is a part of a lens surface corresponding to each of the plurality of lens surfaces. May be arranged along.

In the solar cell composite display according to the present invention, the plurality of display surfaces may be arranged inside the sheet member.

In the solar cell composite display according to the present invention, display target elements may be provided on each display surface, and the display target may be formed by a combination of the display target elements.

Advantageous Effects of Invention According to the present invention, it is possible to provide a solar cell composite display capable of achieving harmony with the surrounding environment and achieving both display on the display surface and power generation by the solar cell panel.

FIG. 1 is a diagram for explaining one embodiment and is a perspective view showing a solar cell composite display body. FIG. 2 is a sectional view taken along line II-II of FIG. FIG. 3 is a diagram showing an example of a display target displayed on the solar cell composite display. FIG. 4 is a view for explaining the action of the solar cell composite type display body in the same cross section as FIG. 2. FIG. 5 is a view for explaining the action of the solar cell composite type display body in the same cross section as FIG. 2. FIG. 6 is a diagram for explaining a method for manufacturing a solar cell composite display body. FIG. 7: is a figure for demonstrating the manufacturing method of a solar cell composite display body. FIG. 8: is a figure for demonstrating the manufacturing method of a solar cell composite display body. FIG. 9: is a figure for demonstrating the frame member which supports a sheet member and a solar cell panel. FIG. 10 is a diagram showing a modification of the frame member. FIG. 11 is a diagram showing another modification of the frame member. FIG. 12: is a figure which shows another modified example of a frame member. FIG. 13: is a figure which shows another modified example of a frame member. FIG. 14: is a figure which shows another modification of a frame member. FIG. 15: is a figure which shows another modification of a frame member. FIG. 16 is a front view showing an example in which the solar cell panel is configured as a combination of a plurality of panel components. 17 is a sectional view taken along line XVII-XVII in FIG. FIG. 18 is a sectional view showing an example in which the solar cell panel and the sheet member are each configured as a combination of a plurality of parts. FIG. 19 is a front view showing an example in which the sheet member is configured as a combination of a plurality of sheet components. 20 is a cross-sectional view taken along the line XX-XX in FIG. FIG. 21 is a cross-sectional view showing a modified example of the sheet member. FIG. 22 is a sectional view showing another modification of the sheet member. FIG. 23 is a sectional view showing still another modification of the sheet member. FIG. 24 is a sectional view showing still another modification of the sheet member. FIG. 25 is a sectional view showing still another modification of the sheet member. FIG. 26 is a sectional view showing still another modification of the sheet member. FIG. 27 is a sectional view showing still another modification of the sheet member.

Hereinafter, embodiments will be described with reference to the drawings. In addition, in the drawings attached to the present specification, for convenience of illustration and understanding, the scale, the vertical and horizontal dimension ratios, etc. are appropriately changed and exaggerated from the actual ones. Further, as used in the present specification, the shape and geometric conditions and the degree thereof are specified. For example, terms such as “parallel”, “orthogonal”, and “identical” and length and angle values are strict. Without being bound by the meaning, it should be interpreted including the range in which similar functions can be expected.

1 to 9 are diagrams for explaining one embodiment. Of these, FIGS. 1 and 2 are perspective views or vertical cross-sectional views showing the configuration of the solar cell composite display body 10, and FIGS. 3 to 5 are views for explaining the operation of the solar cell composite display body 10. 6 to 8 are diagrams for explaining an example of a method for manufacturing the solar cell composite display body 10, and FIG. 9 is a diagram for explaining the frame member 70.

The solar cell composite display body 10 described here exhibits both a predetermined display function and a power generation function using outside light. In the solar cell composite display body 10 shown in FIGS. 1 and 2, the plurality of orientation adjusting surfaces 21 and the plurality of light transmitting surfaces 22 alternately arranged in the first axis direction d1 are more incident than the solar cell panel 50. It is provided on the side. When observing the solar cell composite display body 10 from the direction D21 within the certain angle range AR1, the display surface 12 mainly arranged on the orientation adjusting surface 21 is observed. Therefore, the display surface 12 exerts a display function for an observer who observes the solar cell composite display 10 from a certain angle range AR1. On the other hand, the light L22 incident from another direction within the certain angle range AR2 is mainly guided through the light transmitting surface 22 to the solar cell panel 50. Therefore, the solar cell panel 50 exhibits a power generation function with respect to the light incident on the solar cell composite display body 10 from another certain angular range AR2. Therefore, according to the solar cell composite type display body 10, the solar cell panel 50 is used when the observer observes the display surface 12 by utilizing the difference between the observation direction from the observer and the incident direction of the external light. It suppresses the visual recognition and enables harmony with the surroundings.

Hereinafter, the configuration and operational effects of the solar cell composite display body 10 according to the present embodiment will be described in detail. As shown in FIGS. 1 and 2, the solar cell composite display 10 includes a sheet-shaped sheet member 20, a solar cell panel 50 disposed on the back surface of the sheet member 20, and at least a solar cell panel. And a frame member 70 that holds 50. The frame member 70 will be described later with reference to FIG.

The sheet-like sheet member 20 has a first surface 20a and a second surface 20b as a pair of main surfaces facing each other. The first surface 20a forms an incident surface for external light such as sunlight incident on the solar cell composite display 10. Further, the first surface 20a forms an emission surface from which the light from the display surface 12 that visualizes the display target 13 (see FIG. 3) is emitted from the solar cell composite display body 10. On the other hand, the second surface 20b forms a surface facing the solar cell panel 50.

The second surface 20b of the sheet member 20 includes a plurality of orientation adjusting surfaces 21 and a plurality of light transmitting surfaces 22 that are alternately arranged in the first axial direction d1. The display surface 12 for displaying the display target 13 is arranged on the orientation adjustment surface 21. The orientation adjusting surface 21 is provided to support the display surface 12 and adjust a viewing angle at which the display surface 12 can be observed. On the other hand, the light transmitting surface 22 is provided to transmit the light L22 incident on the solar cell composite display body 10 between the adjacent display surfaces 12 and guide it to the solar cell panel 50. In the illustrated example, the plurality of orientation adjustment surfaces 21 are the same as each other, and the plurality of light transmission surfaces 22 are also the same as each other.

In the present specification, terms such as “sheet”, “film”, “plate” and the like are not distinguished from each other based only on the difference in designation. Therefore, for example, the term “sheet” is a concept including members that can also be called films and plates.

Further, in the present specification, the "sheet surface (film surface, plate surface, panel surface)" is a plane of the target sheet-shaped member when the target sheet-shaped member is viewed as a whole and generally. It refers to the plane that matches the direction. In the embodiments described below, the sheet surface of the sheet member 20, the panel surface of the solar cell panel 50, and the light receiving surface 50a of the solar cell panel 50 are parallel to each other. Further, in the present specification, the “normal direction” used for a sheet-shaped (film-shaped, plate-shaped, or panel-shaped) member refers to a direction normal to the sheet surface of the member.

As shown in FIG. 1, each of the orientation adjusting surfaces 21 and each of the light transmitting surfaces 22 linearly extends in a direction intersecting the first axial direction d1 that is the arrangement direction. Particularly, in the illustrated example, each of the orientation adjusting surfaces 21 and each of the light transmitting surfaces 22 linearly extends in the second axial direction d2 orthogonal to both the first axial direction d1 and the normal direction nd of the sheet member 20. ing. Further, in the example shown in FIG. 2, each orientation adjusting surface 21 and each light transmitting surface 22 are arranged so as to be displaced from each other when viewed from the normal direction nd. In the present embodiment, the first axial direction d1 and the second axial direction d2 are along the seat surface of the seat member 20 and are orthogonal to the normal direction nd of the seat member 20. In the illustrated example, the solar cell composite display 10 is arranged such that the first axial direction d1 is parallel to the vertical direction and the second axial direction d2 is parallel to the horizontal direction.

Each orientation adjusting surface 21 is inclined with respect to the sheet surface of the sheet member 20, in other words, the panel surface of the solar cell panel 50, and is also inclined with respect to the normal direction nd of the sheet member 20. That is, the orientation adjusting surfaces 21 are not parallel to both the seat surface of the seat member 20 and the normal direction nd of the seat member 20. By tilting the display surface 12 arranged on the orientation adjustment surface 21 together with the orientation adjustment surface 21 with respect to the panel surface of the solar cell panel 50, a viewing angle at which the display target 13 provided on the display surface 12 can be observed. The first angle range AR1 can be adjusted with a high degree of freedom.

As shown in FIG. 2, in each of the orientation adjusting surfaces 21, one end portion 21a located on one side (the upper side in FIG. 2 and the upper side in the vertical direction) in the first axial direction d1 has the first axial direction d1 in the first axial direction d1. The sheet member 20 is separated from the solar cell panel 50 in the normal direction nd of the sheet member 20 from the other end 21b located on the other side (the lower side in FIG. 2, which is the lower side in the vertical direction). Is inclined with respect to the seat surface. As can be understood from FIG. 2, such an orientation adjusting surface 21 facilitates emission of light toward an angular range inclined to the other side with respect to the normal direction nd. That is, the display function from the display surface 12 arranged on the orientation adjusting surface 21 is effectively exhibited when observed from the direction D21 inclined to the other side with respect to the normal direction nd.

The display surface 12 is arranged along the orientation adjusting surface 21 so as to overlap the orientation adjusting surface 21. Therefore, in the display surface 12 arranged on the orientation adjusting surface 21, the one end 12a located on one side in the first axial direction d1 is seated more than the other end 12b located on the other side in the first axial direction d1. It is inclined with respect to the sheet surface of the sheet member 20 so as to be separated from the solar cell panel 50 in the normal direction nd of the member 20.

The light emitted from the solar cell composite display 10 from the display surface 12 toward the first angular range AR1 makes the display target 13 provided on the display surface 12 visible. That is, the display surface 12 is visually recognized from the first angle range AR1, and as a result, the display target 13 formed on the display surface 12 can be observed. When displaying the display target 13 that moves on the display surface 12, it is easy to use electricity generated from the solar cell panel 50 for driving.

FIG. 3 shows an example of the display target 13 formed on the display surface 12. The plurality of display surfaces 12 are arranged in the first axial direction d1, and each display surface 12 extends linearly in the second axial direction d2 orthogonal to the first axial direction d1. Therefore, the display surface 12 positioned at each position in the first axis direction d1 is provided with the display target element 13a corresponding to the position of the display surface 12 in the first axis direction d1, so that the display surface 12 moves in the second axis direction d2. It is possible to display the two-dimensional display target 13 as a combination of the display target elements 13a formed on the display surfaces 12 extending in a slender shape. In the example shown in FIG. 3, the capital letter “N” of the alphabet is displayed as the display target 13. In this way, by displaying the display target 13 as a combination of the plurality of display target elements 13a, the size of each orientation adjustment surface 21 can be reduced, so that the first angle range AR1 can be expanded or the solar cell composite display 10 can be displayed. Even if the size is increased, it becomes possible to observe the display object 13 better.

As described above, in the solar cell composite display body 10 of the present embodiment, the angular range in which the display target 13 is continuously displayed can be adjusted with a high degree of freedom. Therefore, the solar cell composite-type display body 10 of the present embodiment can be used for various purposes, for example, several m to several tens of m size used for outdoor signboards, road information bulletin boards, outer wall surfaces of buildings, etc. Large panel applications, posters, signs, medium-sized panels used for posters, signs, interior walls of buildings, etc., and small panels used for desktop stands, mobile terminals, etc. The usage and the like can be exemplified.

On the other hand, each light transmitting surface 22 located between the adjacent orientation adjusting surfaces 21 is inclined with respect to the sheet surface of the sheet member 20, in other words, the panel surface of the solar cell panel 50, and the normal direction of the sheet member 20. It is also inclined with respect to nd. That is, the orientation adjusting surfaces 21 are not parallel to both the seat surface of the seat member 20 and the normal direction nd of the seat member 20. By inclining the light transmitting surface 22 with respect to the panel surface of the solar cell panel 50, the second angular range AR2, which is an angular range in which power generation by the solar cell panel 50 is continuously and stably performed, is increased. It is possible to adjust the degree of freedom.

The angle at which the light transmitting surface 22 is inclined with respect to the sheet surface of the sheet member 20 is different from the angle at which the orientation adjusting surface 21 is inclined with respect to the sheet surface of the light control sheet 20. In particular, in the main cross section of the solar cell composite display body shown in FIG. 2, the light transmitting surface 22 is inclined to the side opposite to the orientation adjusting surface 21 with respect to the normal direction nd of the sheet member 20. As described above, the orientation adjusting surfaces 21 are arranged with respect to the sheet surface of the sheet member 20 so that the one end portion 21a is separated from the solar cell panel 50 in the normal direction nd of the sheet member 20 more than the other end portion 21b. It is inclined. Therefore, in each light transmitting surface 22, the other end 22b located on the other side in the first axial direction d1 is in the normal direction of the sheet member 20 than the one end 22a located on one side in the first axial direction d1. It is inclined with respect to the seat surface of the seat member 20 so as to be separated from the solar cell panel 50 at nd. As can be understood from FIG. 2, light from the angle range inclined to one side with respect to the normal direction nd easily enters the light transmitting surface 22. Therefore, the light L22 that enters the solar cell composite display body 10 from the direction inclined to one side with respect to the normal direction nd is easily guided to the solar cell panel 50.

Next, the relationship between the orientation adjusting surface 21 and the light transmitting surface 22 will be described. In the main cross section of the solar cell composite-type display body shown in FIG. 2, a first axial direction d1 of the orientation adjusting surface 21 and a light transmitting surface 22 adjacent to the orientation adjusting surface 21 on the other side in the first axial direction d1. The interval dt along the width of the sheet member 20 becomes narrower stepwise or continuously as it approaches the solar cell panel 50 in the normal direction nd of the sheet member 20. Therefore, the other end 21b of the orientation adjusting surface 21 comes closest to the one end 22a of the light transmitting surface 22 located on the other side. In the illustrated embodiment, the other end 21b of the orientation adjusting surface 21 is connected to one end 22a of the light transmitting surface 22 located on the other side. However, the other end 21b of the orientation adjusting surface 21 may be separated from the one end 22a of the light transmitting surface 22 located on the other side.

On the other hand, one end 21a of the orientation adjusting surface 21 is connected to the other end 22b of the light transmitting surface 22 adjacent to the orientation adjusting surface 21 on one side in the first axial direction d1. However, one end 21a of the orientation adjusting surface 21 may be separated from the other end 22b of the light transmitting surface 22 adjacent to the orientation adjusting surface 21 on one side in the first axial direction d1.

Further, in the main cut surface shown in FIG. 2, the orientation adjusting surface 21 is equal to the length of the light transmitting surface 22 adjacent to the orientation adjusting surface 21. Therefore, the proportion of the orientation adjusting surface 21 in the second surface 20b of the sheet member 20 is equal to the proportion of the light transmitting surface 22 in the second surface 20b of the sheet member 20. However, in the main cut surface shown in FIG. 2, the orientation adjusting surface 21 may be different from the length of the light transmitting surface 22 adjacent to the orientation adjusting surface 21. In particular, when the orientation adjusting surface 21 is shorter than the light transmitting surface 22 adjacent to the orientation adjusting surface 21, the ratio of the orientation adjusting surface 21 to the second surface 20b of the sheet member 20 is set to It can be made smaller than the ratio of the light transmitting surface 22 to the two surfaces 20b. In this case, a relatively large amount of light tends to be easily guided to the light transmitting surface 22, and as a result, a larger amount of light can be contributed to the solar cell panel 50.

Further, in the example shown in FIG. 2, the angle θ1 formed by the orientation adjusting surface 21 with respect to the sheet surface of the sheet member 20 is equal to the angle θ2 formed by the light transmitting surface 22 with respect to the sheet surface of the sheet member 20. However, the angle θ1 formed by the orientation adjusting surface 21 with respect to the sheet surface of the sheet member 20 is determined according to the observation direction by the observer who is intended to be observed, and the light transmitting surface 22 is the sheet of the sheet member 20. The angle θ2 formed with respect to the surface is determined according to the incident direction of external light intended to be captured. Therefore, the angle θ1 formed by the orientation adjusting surface 21 with respect to the sheet surface of the sheet member 20 may be different from the angle θ2 formed by the light transmitting surface 22 with respect to the sheet surface of the sheet member 20.

Further, in the example shown in FIG. 2, each orientation adjusting surface 21 and each light transmitting surface 22 are flat surfaces. However, the present invention is not limited to such an example, and each orientation adjusting surface 21 and each light transmitting surface 22 may be curved surfaces. As an example, each orientation adjusting surface 21 and each light transmitting surface 22 may form a part of spherical surface or curved surface such as a lens surface. More specifically, each of the direction adjusting surfaces 21 and each of the light transmitting surfaces 22 may be a lens surface curved so as to be convex toward the outside, or may be concave toward the inside. It may be a curved lens surface.

Similarly, in the example shown in FIG. 2, the display surface 12 is a flat surface. However, the display surface 12 is not limited to such an example, and may be a curved surface. As an example, each display surface 12 may be a spherical surface such as a lens surface or a part of a curved surface. More specifically, each display surface 12 may be a lens surface curved so as to be convex toward the outside, or may be a lens surface curved so as to be concave toward the inside. It may be. In the present specification, when the display surface 12 is a curved surface, "the display surface 12 is inclined with respect to a plane" means that a straight line connecting both end portions 12a and 12b of the display surface 12 in the main cutting surface shown in FIG. Means tilt with respect to the plane.

An air layer 30 is formed between the second surface 20b of the sheet member 20 and the solar cell panel 50. In the example shown in FIG. 2, the air layer 30 is formed between the second surface 20b of the sheet member 20 and the light receiving surface 50a of the solar cell panel 50. In addition, the sheet member 20 is not limited to the example in which the solar cell panel 50 and the air layer 30 are arranged, and may be joined to the solar cell panel 50 through the bonding layer.

The solar cell panel 50 has a light receiving surface 50a facing the second surface 20b of the sheet member 20, a back surface 50b facing the light receiving surface 50a, and a side surface 50c extending between the light receiving surface 50a and the back surface 50b. ing. The solar cell panel 50 is a power generation device that converts light received by the light receiving surface 50a into electric energy. The light L22 taken into the light transmitting surface 22 from the second angle range AR2 is guided to the light receiving surface 50a of the solar cell panel 50, and this light L22 is used for power generation.

As shown in FIG. 1, the side surface 50c of the solar cell panel 50 includes a pair of upper side surfaces 50d and a lower side surface 50e facing in the first axial direction d1, and a pair of lateral side surfaces 50f facing in the second axial direction d2. Is included. Each of the surfaces 50d to 50f forming the side surface 50c is formed as a flat surface.

Various types of solar cell panels 50 can be used. For example, a silicon solar cell panel, a thin film solar cell panel, a chalcopyrite solar cell including a flat silicon substrate made of single crystal silicon, polycrystalline silicon, or the like can be used as the solar cell panel 50.

Next, an example of a method of manufacturing the solar cell composite display body 10 described above will be described mainly with reference to FIGS. 6 to 8.

First, as shown in FIG. 6, a sheet member 20 is manufactured by molding a transparent resin. For the molding, hot melt extrusion processing, injection molding or the like can be adopted. As shown in FIG. 6, a plurality of orientation adjusting surfaces 21 and a plurality of light transmitting surfaces 22 are alternately formed on the second surface 20b of the obtained sheet member 20.

Next, as shown in FIG. 7, the display surface 12 is formed on the orientation adjusting surface 21 of the sheet member 20. As an example, the display surface 12 is formed on the orientation adjusting surface 21 of the sheet member 20 by inkjet printing. After that, as shown in FIG. 8, the solar cell panel 50 is arranged so as to face the second surface 20b of the sheet member 20. Thereby, the solar cell composite display 10 is obtained.

Next, the operation of the solar cell composite display 10 will be described mainly with reference to FIGS. 4 and 5. The solar cell composite display 10 is arranged, for example, such that the first axis direction d1 that is the arrangement direction of the orientation adjusting surface 21 and the light transmitting surface 22 is along the vertical direction. Specifically, the solar cell composite display body 10 is arranged such that one side in the first axial direction d1 is along the upper side in the vertical direction and the other side in the first axial direction d1 is along the lower side in the vertical direction. It

As well shown in FIG. 4, the display surface 12 arranged on the inclined orientation adjusting surface 21 is easily visible from the front direction of the display surface 12. In the example shown in FIG. 4, since the display surface 12 is inclined to one side in the first axial direction d1 with respect to the normal direction nd of the sheet member 20, the first axial direction d1 with respect to the normal direction nd. When the solar cell composite type display body 10 is observed from the directions D41, D42, D43 inclined to the other side in, the display surface 12 can be easily visually recognized. In this way, by tilting the orientation adjustment surface 21 with respect to the normal direction nd of the sheet member 20, the first angle range AR1 that is the viewing angle at which the display surface 12 located on the orientation adjustment surface 21 is observed is It can be adjusted with a high degree of freedom. Therefore, the observer can observe the display target 13 with excellent visibility and can display the display target 13 with excellent design.

On the other hand, the light transmitting surface 22 that is inclined at an angle different from that of the orientation adjusting surface 21 efficiently receives the lights L51, L52, and L53 that are incident from directions different from the directions D41, D42, and D43 in which the orientation adjusting surface 21 is easily visible. It becomes possible to import. In the example shown in FIG. 5, since the light transmitting surface 22 is inclined to the other side in the first axial direction d1 with respect to the normal direction nd of the sheet member 20, the first axial direction with respect to the normal direction nd. It is possible to efficiently take in the lights L51, L52, and L53 that enter the solar cell composite display body 10 from the direction inclined to one side in d1. The lights L51, L52, and L53 captured by the light transmitting surface 22 travel in the air layer 30 and are guided to the solar cell panel 50. As described above, the light transmitting surface 22 is inclined with respect to the normal direction nd of the sheet member 20 at an angle different from that of the orientation adjusting surface 21, so that the solar cell composite display can be guided to the solar cell panel 50. The second angular range AR2, which is the angular range of the incident direction on the optical axis 10, can be adjusted with a high degree of freedom. Therefore, in the solar cell composite display 10 according to the present embodiment, it is possible to efficiently receive the sunlight that changes the incident direction according to the time zone and the season and use it for the power generation in the solar cell panel 50. It will be possible.

As described above, according to the present embodiment, the sheet member 20 having the first surface 20a and the second surface 20b facing the first surface 20a and the second surface 20b of the sheet member 20 are arranged to face each other. The solar cell panel 50 and the plurality of display surfaces 12, each of which is inclined with respect to the panel surface of the solar cell panel 50, are arranged on the sheet member 20 along the uniaxial direction d1. According to such a solar cell composite type display body 10, since the display surface 12 is inclined with respect to the panel surface of the solar cell panel 50, the inclined display surface 12 is in the front direction D21, D41-. It becomes easier to observe from D43. On the other hand, the luminous fluxes L23 and L51 to L53 which enter the solar cell composite display body 10 from different directions different from the directions D21 and D41 to D43 in which the display surface 12 is easily visible are between the two adjacent display surfaces 12. It is transmitted and guided to the solar cell panel 50. In this way, by utilizing the difference between the observation directions D21, D41 to D43 from the observer and the incident directions of the external light L23, L51 to L53, it is possible to achieve harmony with the surrounding environment and display on the display surface 12. Power generation by the solar cell panel 50 can be effectively achieved at the same time. Moreover, since the solar cell panel 50 is arranged to face the second surface 20b of the sheet member 20, the light receiving surface 50a of the solar cell panel 50 is not exposed to the outside. Therefore, the solar cell panel 50 can be made more inconspicuous.

Further, according to the present embodiment, the second surface 20b of the sheet member 20 includes the plurality of orientation adjusting surfaces 21 and the plurality of light transmitting surfaces 22 that are alternately arranged in the uniaxial direction d1, and the orientation adjusting surface 21 is inclined with respect to the panel surface of the solar cell panel 50, and the light transmitting surface 22 is inclined with respect to the panel surface of the solar cell panel 50 at an angle different from that of the orientation adjusting surface 21 and is displayed on the orientation adjusting surface 21. The surface 12 is arranged. According to such a configuration, the orientation adjusting surface 21 and the light transmitting surface 22 are inclined with respect to the panel surface of the solar cell panel 50, and thus the inclined orientation adjusting surface 21 and the light transmitting surface 22 are disposed in front of each other. It becomes easy to effectively use the light incident from the direction. In particular, the light transmitting surface 22 is inclined with respect to the panel surface of the solar cell panel 50 at an angle different from that of the orientation adjusting surface 21. For this reason, the display surface 12 arranged on the orientation adjusting surface 21 starts from the directions D21, D41 to D43 different from the tilting directions of the lights L22, L51 to L53 that are easily captured by the light transmitting surface 22, and the solar cell composite display body. The light transmission surface 22 becomes easier to be visually recognized when observing 10, and the light L22, L51 that enters the solar cell composite display body 10 from the direction different from the directions D21, D41 to D43 in which the orientation adjustment surface 21 is easily visible. ~L53 is effectively taken in. As a result, both display on the display surface 12 and power generation by the solar cell panel 50 can be effectively achieved.

By the way, when observing the display object 13 formed on the display surface 12 arranged on the orientation adjusting surface 21, the solar cell panel 50 is observed together with the display object 13 via the light transmitting surface 22, The visibility and design of the display object 13 will be significantly impaired. Therefore, it is preferable that the first angle range AR1 in which the display surface 12 can be observed is separated from the second angle range AR2 in which the solar cell panel 50 can be observed, that is, does not overlap.

Therefore, in the solar cell composite display body 10 of the present embodiment, the orientation adjusting surface 21 is on the side opposite to the light transmitting surface 22 with respect to the normal direction nd of the sheet member 20 in the main cutting surface shown in FIG. Is inclined to. According to such a configuration, the display surface 12 arranged on the orientation adjusting surface 21 is changed from the directions D21, D41 to D43 opposite to the inclined directions of the lights L22, L51 to L53 which are easily taken into the light transmitting surface 22. When the solar cell composite display 10 is observed, it can be made easier to selectively observe, and the light transmitting surface 22 has a direction from the direction opposite to the directions D21 and D41 to D43 where the orientation adjusting surface 21 is easily visible. The lights L22 and L51 to L53 incident on the battery composite display 10 can be selectively taken in. Specifically, the orientation adjusting surface 21 is inclined with respect to the sheet surface of the sheet member 20 so that the one end portion 21a is more distant from the solar cell panel 50 in the normal direction nd of the sheet member 20 than the other end portion 21b. The light transmitting surface 22 is inclined with respect to the sheet surface of the sheet member 20 so that the other end portion 22b is farther from the solar cell panel 50 in the normal direction nd of the sheet member 20 than the one end portion 22a. .. In this case, when observing the solar cell composite display body 10 from the directions D21, D41 to D43 inclined to the other side in the first axis direction d1 with respect to the normal direction nd of the sheet member 20, from the light transmitting surface 22. Also, it is possible to facilitate selective observation of the display surface 12 arranged on the orientation adjustment surface 21. Further, the light L22, L51 to L53 incident on the solar cell composite type display body 10 from the direction inclined to one side in the first axis direction d1 with respect to the normal direction nd of the sheet member 20 is generated from the direction adjusting surface 21. The light transmitting surface 22 can be guided to the selection.

That is, according to such a configuration, the first angle range AR1 that is the viewing angle at which the display surface 12 arranged on the orientation adjustment surface 21 can be observed has the first axis with respect to the normal direction nd of the sheet member 20. The second angle range corresponding to the direction inclined to the other side in the direction d1 and being the angle range of the incident direction to the solar cell composite display body 10 to be guided to the solar cell panel 50 through the light transmitting surface 22. AR2 corresponds to a direction inclined to one side in the first axial direction d1 with respect to the normal direction nd of the sheet member 20. In other words, the display surface 12 is observed when the solar cell composite display 10 is observed from the direction inclined to the other side in the uniaxial direction d1, and the solar cell composite display is observed from the direction inclined to the one side in the uniaxial direction d1. The light that has entered 10 passes between two adjacent display surfaces 12 and reaches the solar cell panel 50. In this case, the first angle range AR1 and the second angle range AR2 are easily separated. In other words, the first angle range AR1 and the second angle range AR2 are less likely to overlap.

As described above, when the overlap between the first angle range AR1 and the second angle range AR2 is reduced, the display function of the display surface 12 and the power generation function of the solar cell panel 50 are more effectively exerted without adversely affecting each other. Will be done. In the present embodiment, it is possible to prevent the solar cell panel 50 from being observed together with the display target 13 via the light transmitting surface 22 while observing the display target 13 provided on the display surface 12. It will be possible. In this case, the visibility of the display target 13 and the design of the display target 13 can be improved.

In particular, in the solar cell composite display body 10 according to the present embodiment, the first angle range AR1 that is the viewing angle at which the display surface 12 can be observed is set in the direction inclined downward in the vertical direction, and the solar cell panel 50 is provided. The second angle range AR2, which is the angle range of the incident direction on the solar cell composite display 10 to be guided to, is set to the direction inclined upward in the vertical direction. In this case, it is effective when the solar cell composite display body 10 is installed at a position higher than the line of sight in a use as a display plate that is assumed to be typical use. Since the observer observes the solar cell composite display 10 while looking up to the upper side in the vertical direction, the observer can observe the display target 13 provided on the display surface 12 from the first angle range AR1. On the other hand, although the incident direction of sunlight changes depending on the time of day and the season, the sunlight enters the solar cell composite display body 10 while advancing in a direction inclined downward in the vertical direction or in a substantially horizontal direction. Therefore, the sunlight can enter the light transmitting surface 22 from the second angular range AR2 and travel toward the solar cell panel 50 even if the incident direction changes depending on the time of day or the season. Therefore, according to such a form, it is possible to effectively achieve both the reception of sunlight by the solar cell panel 50 and the display by the display surface 12.

Further, according to the present embodiment, in the main cut surface of the solar cell composite display body 10, the orientation adjustment surface 21 and the light transmission surface 22 adjacent to the orientation adjustment surface 21 on the other side in the first axial direction d1. The distance dt along the first axial direction d1 becomes narrower as it approaches the solar cell panel 50 in the normal direction nd of the sheet member 20. According to such a configuration, the display surface 12 arranged on the orientation adjusting surface 21 blocks light to be incident on the light transmitting surface 22, or the light transmitting surface 22 is disposed on the orientation adjusting surface 21. Obstructing the observed display surface 12 can be effectively suppressed. Therefore, when the display surface 12 observes the solar cell composite display body 10 from the direction within the first angle range AR1, the display function can be more reliably exhibited. Further, the light transmitting surface 22 can more reliably guide the light incident on the solar cell composite display 10 from the second angular range AR2 to the solar cell panel 50.

By the way, Table 1 below shows the seasonal middle altitude (°) in major cities of some countries in the world. It is preferable that the second mid-angle range AR2 include the south and mid altitudes of the equinox and autumnal equinox in major cities of the country where the use is expected. This is because there is a high possibility that it can be effectively used in that country. For example, when the country expected to be used is Japan, the altitude from 54° to 56° may be included in the second angle range AR2. Furthermore, it is preferable that an altitude of 49° to 61° is included in the second angle range AR2 because it is likely to be effectively used in many countries in the world. Further, it is more preferable that the second angle range AR2 includes the south mid-altitude of the summer solstice to the south mid-altitude of the winter solstice in major cities of the country where the use is expected. This is because there is a high possibility that it can be effectively used throughout the year in that country. For example, when the country expected to be used is Japan, the altitude from 31° to 79° may be included in the second angle range AR2. Further, it is preferable that the altitude of 25° to 84° is included in the second angle range AR2 because it is likely to be effectively used in many countries in the world. In addition, in order to make it easy for the desired altitude to be included in the second angle range AR2, it is preferable that the angle ranges of the second angle range AR2 are continuous by about 45° or more. However, by arranging the solar cell composite display body 10 at an angle, it is possible to include a desired altitude in the second angle range AR2. On the other hand, the upper limit of the angle range of the second angle range AR2 may be appropriately set in balance with the first angle range AR1, but by setting it to less than about 135°, the solar cell composite display of the present embodiment The features of the body 10 can be further exerted.

As described above, the solar cell composite display body 10 realizes both display by the display surface 12 and power generation by the solar cell panel 50 by utilizing the difference between the observation direction and the incident direction of external light. It is required to accurately align the object to be installed. Therefore, the solar cell composite-type display body 10 of the present embodiment has the frame member 70 in order to hold the sheet member 20 and the solar cell panel 50 in the intended posture. The frame member 70 only needs to support at least the solar cell panel 50, and the sheet member 20 may be directly supported, or may be indirectly supported via the solar cell panel 50, or the sheet member. The sheet member 20 may be supported by another member without supporting the member 20.

FIG. 9 is a cross-sectional view showing how the frame member 70 holds the sheet member 20 and the solar cell panel 50. As shown in FIG. 9, the frame member 70 extends from the back plate 76 arranged to face the back surface 50b of the solar cell panel 50, and extends from the back plate 76 in the normal direction nd of the sheet member 20, and the sheet It has the frame body 71 located around the member 20 and the solar cell panel 50.

The back plate 76 is arranged apart from the back surface 50b of the solar cell panel 50, and the electric device 55 connected to the solar cell panel 50 is provided in a space between the back plate 76 and the back surface 50b of the solar cell panel 50. It is housed. The electric device 55 includes a battery that stores electric energy generated by the solar cell panel 50, a control device that monitors the solar cell panel 50, and the like.

The frame 71 faces the side surface 50c of the solar cell panel 50 and holds the solar cell panel 50. Further, the frame 71 faces the side surface 20c of the sheet member 20 and also holds the sheet member 20. The side surface 20c of the sheet member 20 is a surface that extends between the first surface 20a and the second surface 20b, and in the illustrated example, a pair of surfaces facing each other in the first axial direction d1 and a second axis. And a pair of surfaces facing each other in the direction d2.

Each frame 71 extends from the back plate 76 toward the seat member 20 side along the normal direction nd of the seat member 20. In other words, the frame 71 extends toward the sheet member 20 along the normal direction nd of the sheet member 20 from the region opposite to the sheet member 20 with respect to the solar cell panel 50. The leading end surface 74 that faces the normal direction nd of the sheet member 20 is formed at the extended leading end.

Further, the frame body 71 shown in FIG. 9 extends toward the sheet member 20 side from the light receiving surface 50a of the solar cell panel 50, and further beyond the first surface 20a of the sheet member 20, the first surface 20a. From the sheet member 20 in the normal direction nd. Therefore, the front end surface 74 of the frame body 71 is located on the opposite side of the solar cell panel 50 with the first surface 20a of the sheet member 20 as a reference. In this way, by projecting the frame body 71 over the first surface 20a of the sheet member 20, the sheet member 20 and the solar cell panel 50 can be protected from collision with an obstacle.

However, this protruding portion may also be a factor that blocks the sunlight L91 entering the sheet member 20. Therefore, in the present embodiment, at least a part of the region 71a of the frame body 71 that extends toward the sheet member 20 side of the light receiving surface 50a of the solar cell panel 50 is made light-transmissive. According to such a configuration, it is possible to reduce the possibility that the region 71a extending beyond the light receiving surface 50a blocks the light L91 incident on the sheet member 20. In the example shown in FIG. 9, the entire region 71a extending beyond the light receiving surface 50a is made of a transparent material having light transparency. Examples of such materials include glass and transparent resin materials.

In particular, the frame body 71 shown in FIG. 9 includes a first frame 72 and a second frame 73 that are arranged to face each other in the first axial direction d1. The first frame 72 is located on one side in the first axial direction d1 and faces the side surface 20c of the sheet member 20 and the side surface 50c of the solar cell panel 50 from the one side. The second frame 73 is located on the other side in the first axial direction d1 and faces the side surface 20c of the sheet member 20 and the side surface 50c of the solar cell panel 50 from the other side. However, the configuration of the frame body 71 is not limited to such an example. The frame 71 may further include, in addition to the first frame 72 and the second frame 73, a pair of frames arranged to face each other in the second axial direction d2. Alternatively, it may include a pair of frames facing each other in the second axial direction d2.

In the example shown in FIG. 9, a plurality of grooves 81 are formed in the first frame 72 and the second frame 73, and the sheet member 20 and the solar cell panel 50 are fitted into the corresponding grooves 81. By using the groove 81, the sheet member 20 and the solar cell panel 50 can be detachably attached to the frame member 70.

Further, the frame 71 holds the solar cell panel 50 and the sheet member 20 with a space therebetween, and the above-described air layer 30 is interposed between them. Furthermore, since the entire region 71a of the frame 71 that extends toward the sheet member 20 side of the light receiving surface 50a of the solar cell panel 50 is light-transmissive, the sheet of the frame 71 is naturally included. A region 71b between the solar cell panel 50 and the sheet member 20 in the normal direction nd of the member 20 is also light transmissive. Therefore, the light L92 traveling toward the solar cell panel 50 can also be captured from the region 71b between them.

As described above, according to the present embodiment, frame member 70 that holds at least solar cell panel 50 is further provided. Providing the frame member 70 contributes to the stable installation of the solar cell panel 50 on the installation target.

Further, according to the present embodiment, solar cell panel 50 includes a light receiving surface 50a that faces second surface 20b of sheet member 20, a back surface 50b that faces light receiving surface 50a, and a light receiving surface 50a and a back surface 50b. The frame member 70 has a frame body 71 that faces the side surface 50c of the solar cell panel 50 and that holds the solar cell panel 50. The frame body 71 is a solar cell panel. It extends from the region opposite to the sheet member 20 with respect to 50 toward the sheet member 20 along the normal direction nd of the sheet member 20. According to such a configuration, since the solar cell panel 50 can be held by the side surface 50c, it is possible to reduce the risk that the light receiving surface 50a is blocked by the frame member 70. As a result, it is excellent in that the solar cell panel 50 can effectively generate electric power.

Further, according to the present embodiment, frame 71 projects toward sheet member 20 from the light receiving surface 50a of solar cell panel 50. By projecting the frame 71 beyond the light receiving surface 50a, the solar cell panel 50 can be protected from collision with an obstacle. In addition, the frame 71 extends from the second surface 20b side of the sheet member 20 beyond the first surface 20a and projects from the first surface 20a in the normal direction nd of the sheet member 20. By projecting the frame body 71 beyond the first surface 20a of the sheet member 20, not only the solar cell panel 50 but also the sheet member 20 can be protected from collision with an obstacle.

In addition, according to the present embodiment, frame 71 holds solar cell panel 50 and sheet member 20 at a distance. In this case, it is possible to avoid scratches and wear due to contact between the light receiving surface 50a of the solar cell panel 50 and the second surface 20b of the sheet member 20. In addition, a region 71b of the frame 71, which is located between the solar cell panel 50 and the sheet member 50 in the normal direction nd of the sheet member 20, has light transparency. Therefore, a part of the light L92 directed to the solar cell panel 50 can be captured from the region 71b between the solar cell panel 50 and the sheet member 50 without passing through the sheet member 20.

Further, according to the present embodiment, at least a part of region 71a of frame 71 that extends toward sheet member 20 from light receiving surface 50a of solar cell panel 50 is light transmissive. According to such a configuration, it is possible to reduce the possibility that the region 71a extending beyond the light receiving surface 50a blocks the light L91 incident on the sheet member 20.

<<Modification of Frame Member 70>>
Note that various changes can be made to the above-described form. Hereinafter, an example of the modification will be described with reference to the drawings. In the following description and the drawings used in the following description, for the portions that can be configured in the same manner as the above-described embodiment, the same reference numerals as those used for the corresponding portions in the above-described embodiment are used. A duplicate description is omitted.

In the above-described embodiment, as shown in FIG. 2, an example in which the entire region 71a of the frame 71 that extends toward the sheet member 20 side of the solar cell panel 50 has optical transparency is shown. The configuration of the frame body 71 is not limited to the above configuration. 10 and 11 show other configuration examples of the frame 71, respectively. In the example shown in FIG. 10, a region 71a of the frame 71 that extends toward the sheet member 20 side of the light receiving surface 50a of the solar cell panel 50 is reflected on the surface facing the side surface 50c of the solar cell panel 50. It has a surface 75. In the example shown in FIG. 10, the reflection processing surface 75 provided on the first frame 72 faces the side surface 20c of the sheet member 20 from one side in the first axial direction d1, and the reflection processing surface provided on the second frame 73. The surface 75 faces the side surface 20c of the sheet member 20 from the other side in the first axial direction d1.

As an example, the reflection-treated surface 75 is formed by a thin film made of a material having a high reflectance, for example, a metal such as aluminum. Further, in order to guide the light reflected by the reflection processing surface 75 to a wide range of the light receiving surface 50a of the solar cell panel 50, the reflection processing surface 75 preferably has a light diffusing function. An example of such a reflection-treated surface 75 is a layer made of white ink.

According to the reflection processing surface 75, the light L101 and L102 incident on the region 71a of the frame 71 extending to the sheet member 20 side of the light receiving surface 50a of the solar cell panel 50 is transmitted to the sheet member 20 or the solar cell panel. Since it can be directed to 50, the light utilization efficiency can be improved.

In the example shown in FIG. 10, the sheet member 20 is joined to the solar cell panel 50 via the low refractive index resin layer 35. The low-refractive-index resin layer 35 is made of a material having a lower refractive index than the material forming the sheet member 20, and a transparent thermoplastic resin is an example.

On the other hand, in the example shown in FIG. 11, in the frame 71, a region 71b between the solar cell panel 50 and the sheet member 50 in the normal direction nd of the sheet member 20 is made of a light transmitting material. On the other hand, the region 71c of the frame 71 that overlaps the side surface 20c of the sheet member 20 is made of a material that does not transmit light. Specifically, the former area 71b is made of glass or a transparent resin material, and the latter area 71c is made of a wooden frame or a black colored resin material.

Even in the form shown in FIG. 11, the frame body 71 holds the solar cell panel 50 and the sheet member 20 with a space therebetween. In this case, it is possible to avoid scratches and wear due to contact between the light receiving surface 50a of the solar cell panel 50 and the second surface 20b of the sheet member 20. In addition, a region 71b of the frame 71, which is located between the solar cell panel 50 and the sheet member 50 in the normal direction nd of the sheet member 20, has light transparency. Therefore, a part of the light L92 directed to the solar cell panel 50 can be captured from the region 71b between the solar cell panel 50 and the sheet member 50 without passing through the sheet member 20.

Further, in the example shown in FIG. 11, the tip end surface 74 of the frame 71 is aligned with the first surface 20a of the sheet member 20 in the position along the normal direction nd of the sheet member 20. That is, the front end surface 74 of the frame 71 does not form a step with the first surface 20a of the sheet member 20, but is smoothly connected to form a flat surface. According to such a configuration, it is possible to reduce the risk that the frame body 71 holds the solar cell panel 50 and then the frame body 71 blocks the light L121 that should enter the sheet member 20.

Further, in the above-described embodiment, as shown in FIG. 2, an example in which the frame body 71 extends toward the sheet member 20 side from the light receiving surface 50a of the solar cell panel 50 has been shown, but the configuration of the frame body 71 is However, the configuration is not limited to the above. 12 and 13 show other examples of the configuration of the frame 71, respectively. Among these, in the example shown in FIG. 12, the front end surface 74 of the frame 71 is located at a position between the light receiving surface 50a and the back surface 50b of the solar cell panel 50 in the normal direction nd of the sheet member 20. ..

In the example shown in FIG. 12, the frame 71 holds the side surface 50c of the solar cell panel 50. Further, the sheet member 20 is joined to the solar cell panel 50 via the low refractive index resin layer 35. The low-refractive-index resin layer 35 is made of a material having a lower refractive index than the material forming the sheet member 20, and a transparent thermoplastic resin is an example.

According to the configuration shown in FIG. 12, it is possible to reduce the risk of blocking the light L121 that should enter the sheet member 20 by the frame 71 after holding the solar cell panel 50 by the frame 71. Further, a portion of the light L122 directed to the solar cell panel 50 can be taken in from the low refractive index resin layer 35 between the solar cell panel 50 and the sheet member 50 without passing through the sheet member 20.

On the other hand, in the example shown in FIG. 13, the tip surface 74 of the frame 71 is aligned with the light receiving surface 50a of the solar cell panel 50 along the normal direction nd of the sheet member 20. That is, the front end surface 74 of the frame 71 is smoothly connected to the light receiving surface 50a of the solar cell panel 50 to form a flat surface, and no step is formed between the tip surface 74 and the light receiving surface 50a. According to such a configuration, it is possible to reduce the risk that the frame 71 holds the solar cell panel 50 and then the frame 71 blocks the light L131 that should enter the sheet member 20. Further, a portion of the light L132 directed to the solar cell panel 50 can be taken in from the low-refractive-index resin layer 35 between the solar cell panel 50 and the sheet member 50 without passing through the sheet member 20.

Further, in the example shown in FIG. 13, the sheet member 20 covers the front end surface 74 of the frame 71. In this case, since the front end surface 74 of the frame 71 can be hidden by the sheet member 20 in which the plurality of display surfaces 12 are arranged, the appearance can be improved.

Further, in the above-described embodiment, as shown in FIG. 9, an example in which the sheet member 20 and the solar cell panel 50 are held by the frame body 71 so as to be parallel to each other has been shown. However, the configuration of the frame body 71 Is not limited to the configuration described above. 14 and 15 show other examples of the configuration of the frame 71, respectively. Among them, in the example shown in FIG. 14, the frame body 71 detachably holds the sheet member 20 and holds the solar cell panel 50 in an adjustable direction.

A plurality of grooves 81 are formed in the first frame 72 and the second frame 73 that form the frame 71. The plurality of grooves 81 formed in each of the frames 72 and 73 are arranged along the normal direction nd of the sheet member 20. Each groove 81 is processed so as to hold the solar cell panel 50 in the intended orientation, in accordance with the shape of the solar cell panel 50 in that orientation.

According to this mode, the relative inclination between the solar cell panel 50 and the sheet member 20 can be changed by appropriately selecting the groove 81 of the first frame 72 and the groove 81 of the second frame 73. .. Specifically, as shown by the chain double-dashed line in FIG. 14, the groove 81 farthest from the back plate 76 of the first frame 72 and the groove 81 farthest from the back plate 76 of the second frame 73 are selected. As a result, the solar cell panel 50 and the sheet member 20 can be held in parallel. Also, as shown by the solid line in FIG. 14, by selecting the groove 81 of the first frame 72 closest to the back plate 76 and the central groove 81 of the second frame 73, the main cutting surface shown in FIG. In, the panel surface of the solar cell panel 50 can be inclined with respect to the sheet surface of the sheet member 20.

On the other hand, in the example shown in FIG. 15, a pair of adjustment supports 82 are provided between the solar cell panel 50 and the back plate 76. The pair of adjusting supports 82 are arranged at intervals in the first axial direction d1, and adjust the interval between the solar cell panel 50 and the back plate 76 at the position where each adjusting support 82 is provided. It is like this. In particular, each adjustment support tool 82 shown in FIG. 15 is capable of adjusting its own length along the normal direction nd of the sheet member 20. By changing the length of each adjustment support tool 82, it becomes possible to adjust the distance between the solar cell panel 50 and the back plate 76. However, the adjustment of the distance between the solar cell panel 50 and the back plate 76 is not limited to such an example. As another example, by preparing a plurality of adjustment supports 82 having different lengths and selecting the adjustment support 82 having a desired length according to the purpose, the adjustment support 82 between the solar cell panel 50 and the back plate 76 can be selected. The spacing may be adjusted.

According to the embodiment shown in FIGS. 14 and 15, the solar cell panel 50 is supported by the frame member 70 so that the relative inclination between the solar cell panel 50 and the sheet member 20 can be changed. In this case, it is possible to efficiently take in sunlight by adjusting the inclination of the solar cell panel 50 according to the direction in which the solar cell composite display 10 faces.

Further, in the above-described embodiment, as shown in FIG. 2, the example in which the frame member 70 is configured by the frame body 71 positioned around the sheet member 20 and the solar cell panel 50 is shown. The configuration of is not limited to the configuration described above. 16 to 20 show another configuration example of the frame member 70.

16 and 17, the frame member 71 surrounds the sheet member 20 and the solar cell panel 50, and the solar cell panel 50 is tiled in the frame body 71. That is, the solar cell panel 50 is configured by assembling a plurality of panel components 500 side by side. In the example shown in FIG. 16, the plurality of panel components 500 are squarely arranged in a plane parallel to both the first axial direction d1 and the second axial direction d2. More specifically, a column including three panel components 500 arranged in the first axial direction d1 is arranged in three rows in the second axial direction d2, and a total of nine panel components 500 are provided.

The inner frame 78 passes through between two adjacent panel components 500. In the example shown in FIG. 16, the inner vertical frame 78a passes between the two panel components 500 adjacent to each other in the second axial direction d2, and the inner horizontal frame 78b passes between the two panel components 500 adjacent to each other in the first axial direction d1. Is passing through. Two inner vertical frames 78a are provided corresponding to the arrangement of the panel components 500, and each has a longitudinal axis in the first axial direction d1. Two inner horizontal frames 78b are also provided corresponding to the arrangement of the panel components 500, and each has a longitudinal axis in the second axial direction d2.

Each inner vertical frame 78a and each inner horizontal frame 78b detachably supports the panel components 500 located on both sides of itself. Each inner vertical frame 78a and each inner horizontal frame 78b shown in FIG. 16 are connected to the frame body 71 at both ends. Further, as understood from FIG. 17, each inner vertical frame 78a and each inner horizontal frame 78b is connected to the back plate 76 and extends from the back plate 76 in the normal direction nd of the sheet member 20.

In the example shown in FIG. 17, the sheet member 20 is integrally formed. The sheet member 20 covers a front end surface 79 of each panel component 500 and the inner frame 78 that faces a direction along the normal direction nd of the sheet member 20.

As described above, according to the configurations shown in FIGS. 16 and 17, the solar cell panel 50 is configured by arranging a plurality of panel components 500, and the frame member 70 is provided between two adjacent panel components 500. It has an inner frame 78 through which it passes. In this case, even if a part of the solar cell panel 50 breaks down, it can be restored by replacing the broken panel part 500, so that the maintainability is excellent.

Further, according to the embodiment shown in FIGS. 16 and 17, the inner frame 78 has the front end surface 79 that faces the direction along the normal direction nd of the seat member 20, and the seat member 20 has the front end of the inner frame 78. It covers the surface 79. In this case, the front end surface 79 of the inner frame 78 can be hidden by the sheet member 20 in which the plurality of display surfaces 12 are arranged, so that the appearance can be improved.

Further, according to the embodiments shown in FIGS. 16 and 17, the width W2 of the inner frame 78 is narrower than the width W1 of the frame 71. As a result, the frame member 70 can be made lightweight while ensuring the rigidity required for the frame member 70.

FIG. 18 is a cross-sectional view showing an example in which the sheet member 20 is tiled in addition to the solar cell panel 50. In the example shown in FIG. 18, a frame 71 surrounds the sheet member 20 and the solar cell panel 50, and the solar cell panel 50 and the sheet member 20 are tiled within the frame 71. The tiling of the solar cell panel 50 is the same as the example shown in FIG.

The sheet member 20 is configured by assembling a plurality of sheet components 200 side by side. In the example shown in FIG. 18, the plurality of sheet components 200 are squarely arranged in a plane parallel to both the first axial direction d1 and the second axial direction d2. More specifically, a row of three sheet components 200 arranged in the first axial direction d1 is arranged in three rows in the second axial direction d2, and a total of nine sheet components 200 are provided. Each sheet component 200 corresponds to one panel component 500. More specifically, each sheet component 200 overlaps with one panel component 500 when viewed in the normal direction nd of the sheet member 20.

The inner frame 78 also passes through between two adjacent sheet components 200. That is, each inner vertical frame 78a and each inner horizontal frame 78b pass through between the two adjacent panel components 500 and the two adjacent sheet components 200 stacked on them. Each inner vertical frame 78a and each inner horizontal frame 78b detachably supports the panel component 500 and the sheet component 200 located on both sides thereof.

As described above, according to the embodiment shown in FIG. 18, the sheet member 20 is configured by arranging a plurality of sheet components 200, and each sheet component 200 covers the corresponding panel component 500. In this case, since the sheet component 200 and the panel component 500 can be handled in combination, the handleability is excellent.

Further, FIGS. 19 and 20 are views showing an example in which the sheet member 20 is tiled. In the example shown in FIGS. 19 and 20, the frame member 71 surrounds the sheet member 20 and the solar cell panel 50, and the sheet member 20 is tiled inside the frame member 71. That is, the sheet member 20 is configured by assembling a plurality of sheet components 200 side by side. In the example shown in FIG. 19, the plurality of sheet components 200 are squarely arranged in a plane parallel to both the first axial direction d1 and the second axial direction d2. More specifically, a row of three sheet components 200 arranged in the first axial direction d1 is arranged in three rows in the second axial direction d2, and a total of nine sheet components 200 are provided.

Each sheet component 200 is attached to the solar cell panel 50. The solar cell panel 50 shown in FIGS. 19 and 20 is a large-sized panel integrally configured.

As described above, according to the embodiments shown in FIGS. 19 and 20, the sheet member 20 is configured by arranging a plurality of sheet components 200. In this case, even if a part of the seat member 20 is damaged, it can be restored by replacing the damaged seat part 200, and therefore the maintainability is excellent.

<<Modification of the sheet member 20>>
Further, in the above-described embodiment, as shown in FIG. 2, an example in which the plurality of display surfaces 12 are arranged on the orientation adjusting surface 21 on the second surface 20b of the sheet member 20 is shown. The configuration and the arrangement of the display surface 12 are not limited to the configurations described above. 21 to 27 show another configuration of the sheet member 20 and another arrangement example of the display surface 12.

Among these, the solar cell composite-type display body 10 shown in FIG. 21 has a sheet-shaped sheet member 20 and a solar cell panel 50 joined to the second surface 20b of the sheet member 20. The first surface 20a of the sheet member 20 includes a plurality of orientation adjusting surfaces 21 and a plurality of light transmitting surfaces 22 that are alternately arranged in the first axial direction d1. The display surface 12 for displaying the display target 13 is arranged on the orientation adjustment surface 21.

The respective orientation adjusting surfaces 21 and the respective light transmitting surfaces 12 are orthogonal to the direction intersecting the first axial direction d1 which is the arrangement direction, more specifically, both the first axial direction d1 and the normal direction nd. It extends linearly in the second axial direction d2. Each orientation adjusting surface 21 and each light transmitting surface 12 are inclined at mutually different angles with respect to the sheet surface of the sheet member 120, in other words, the panel surface of the solar cell panel 50, and with respect to the normal direction nd of the sheet member 120. However, they are inclined at different angles.

Next, the operation of the solar cell composite display body 10 shown in FIG. 21 will be described.

As well shown in FIG. 21, the display surface 12 arranged on the inclined orientation adjusting surface 21 is easily visible from the front direction of the display surface 12. In the example shown in FIG. 21, since the display surface 12 is inclined to one side in the first axial direction d1 with respect to the normal direction nd of the sheet member 20, the first axial direction d1 is inclined with respect to the normal direction nd. When the solar cell composite display body 100 is observed from the direction D211 which is inclined to the other side, the display surface 12 is easily visible.

On the other hand, the light transmitting surface 22 inclined at an angle different from that of the direction adjusting surface 21 can efficiently take in the light L212 incident from a direction different from the direction D211 in which the direction adjusting surface 21 is easily visible. In the example shown in FIG. 21, since the light transmitting surface 22 is inclined to the other side in the first axial direction d1 with respect to the normal line direction nd of the sheet member 20, the first axial direction with respect to the normal line direction nd. It is possible to efficiently take in the light L212 that enters the solar cell composite display 10 from the direction inclined to one side at d1. The light L212 captured by the light transmitting surface 22 travels inside the sheet member 20 and is guided to the solar cell panel 50.

As described above, according to the embodiment shown in FIG. 21, the sheet member 20 having the first surface 20a and the second surface 20b facing the first surface 20a, and the sheet member 20 arranged facing the second surface 20b of the sheet member 20. The plurality of display surfaces 12 each inclined with respect to the panel surface of the solar cell panel 50 are arranged in the sheet member 20 along the uniaxial direction d1. According to such a solar cell composite type display body 10, since the display surface 12 is inclined with respect to the panel surface of the solar cell panel 50, the inclined display surface 12 is observed from the direction D211 which is the front direction thereof. It will be easier. On the other hand, the light flux L212 entering the solar cell composite display body 10 from another direction different from the direction D211 in which the display surface 12 is easily visible is transmitted between the two adjacent display surfaces 12 to the solar cell panel 50. Be guided. In this way, by utilizing the difference between the observation direction D211 from the observer and the incident direction of the external light L212, the harmony with the surrounding environment is achieved, and the display by the display surface 12 and the power generation by the solar cell panel 50 are both compatible. Is effectively possible. Moreover, since the solar cell panel 50 is arranged to face the second surface 20b of the sheet member 20, the light receiving surface 50a of the solar cell panel 50 is not exposed to the outside. Therefore, the solar cell panel 50 can be made more inconspicuous.

Further, according to the present embodiment, the first surface 20a of the sheet member 20 includes a plurality of orientation adjusting surfaces 21 and a plurality of light transmitting surfaces 22 that are alternately arranged in the uniaxial direction d1, and the orientation adjusting surface 21 is inclined with respect to the panel surface of the solar cell panel 50, and the light transmitting surface 22 is inclined with respect to the panel surface of the solar cell panel 50 at an angle different from that of the orientation adjusting surface 21 and is displayed on the orientation adjusting surface 21. The surface 12 is arranged. According to such a configuration, the orientation adjusting surface 21 and the light transmitting surface 22 are inclined with respect to the panel surface of the solar cell panel 50, and thus the inclined orientation adjusting surface 21 and the light transmitting surface 22 are disposed in front of each other. It becomes easy to effectively use the light incident from the direction. In particular, the light transmitting surface 22 is inclined with respect to the panel surface of the solar cell panel 50 at an angle different from that of the orientation adjusting surface 21. Therefore, the display surface 12 arranged on the orientation adjusting surface 21 is visually recognized when the solar cell composite display body 10 is observed from the direction D211 different from the tilting direction of the light L212 that is easily taken in by the light transmitting surface 22. The light transmitting surface 22 effectively captures the light L212 entering the solar cell composite display 10 from a direction different from the direction D211 in which the orientation adjusting surface 21 is easily visible. As a result, both display on the display surface 12 and power generation by the solar cell panel 50 can be effectively achieved.

Next, another modification of the solar cell composite display body 10 will be described with reference to FIG. In the example shown in FIG. 22, the second surface 20b of the sheet member 20 includes a plurality of lens surfaces 31 arranged along the first axial direction d1, and each display surface 12 has a lens surface 31 corresponding to each. It is arranged along a part. Each lens surface 31 and the display surface 12 extend in a direction intersecting the first axial direction d1, more specifically, along a second axial direction d2 orthogonal to the first axial direction d1.

Here, of the both ends of the lens surface 31, the end located on one side (the upper side in FIG. 22, which is the upper side in the vertical direction) in the first axial direction d1 is referred to as one end 31a, and is referred to as the first axial direction. The end located on the other side (the lower side in FIG. 22, which is the lower side in the vertical direction) in d1 is referred to as the other end 31b, and the normal direction nd of the sheet member 20 from the one end 31a and the other end 31b. The farthest point along the line will be called the top 31c. The top portion 31c of the present embodiment is a point on the lens surface 31 that is most distant from the solar cell panel 50. The optical axis od of the lens surface 31 passes through the top 31c.

Each display surface 12 shown in FIG. 22 covers a part or all of the area between the one end 31a and the top 31c of the corresponding lens surface 31, and the area between the other end 31b and the top 31c. Does not cover the area. Therefore, in the display surface 12, one end portion 12a located on one side in the first axial direction d1 is normal to the sheet member 20 in the normal direction nd than the other end portion 12b located on the other side in the first axial direction d1. In, the sheet surface of the sheet member 20 is inclined so as to be separated from the solar cell panel 50.

As described above, according to the embodiment shown in FIG. 22, the sheet member 20 having the first surface 20a and the second surface 20b facing the first surface 20a and the second surface 20b of the sheet member 20 arranged facing each other. The plurality of display surfaces 12 each inclined with respect to the panel surface of the solar cell panel 50 are arranged in the sheet member 20 along the uniaxial direction d1. According to such a solar cell composite type display body 10, since the display surface 12 is inclined with respect to the panel surface of the solar cell panel 50, the inclined display surface 12 is observed from the direction D221 that is the front direction thereof. It will be easier. On the other hand, the light flux L222 entering the solar cell composite display body 10 from another direction different from the direction D221 in which the display surface 12 is easily visible is transmitted between the two adjacent display surfaces 12 to the solar cell panel 50. Be guided. In this way, by utilizing the difference between the observation direction D221 from the observer and the incident direction of the external light L222, harmony with the surrounding environment is achieved, and the display on the display surface 12 and the power generation by the solar cell panel 50 are compatible. Is effectively possible. Moreover, since the solar cell panel 50 is arranged to face the second surface 20b of the sheet member 20, the light receiving surface 50a of the solar cell panel 50 is not exposed to the outside. Therefore, the solar cell panel 50 can be made more inconspicuous.

Further, according to the present embodiment, the second surface 20b of the sheet member 20 includes a plurality of lens surfaces 31 arranged along the uniaxial direction d1, and each display surface 12 has a corresponding lens surface 31. Are arranged along a part of. In this case, since it can be realized by disposing the display surface 12 on a part of each lens surface 31, the solar cell composite display body 10 can be easily manufactured.

In the solar cell composite display 10 shown in FIG. 22, an example in which the lens surface 31 is a convex lens protruding toward the solar cell panel 50 side is shown, but the form of the lens surface 31 is limited to such an example. Not done. FIG. 23 shows an example in which the lens surface 31 is a concave lens that is recessed toward the first surface 20a.

Each display surface 12 shown in FIG. 23 covers a part or all of the region between the other end 31b and the top 31c of the corresponding lens surface 31, and between the one end 31a and the top 31c. Does not cover the area. Therefore, in the display surface 12, one end portion 12a located on one side in the first axial direction d1 is normal to the sheet member 20 in the normal direction nd than the other end portion 12b located on the other side in the first axial direction d1. In, the sheet surface of the sheet member 20 is inclined so as to be separated from the solar cell panel 50. Even in such a form, the same operational effect as the above-mentioned form can be obtained.

Next, another modification of the solar cell composite display body 10 will be described with reference to FIG. In the example shown in FIG. 24, the first surface 20a of the sheet member 20 includes a plurality of lens surfaces 31 arranged along the first axial direction d1, and each display surface 12 has a lens surface 31 corresponding to each. It is arranged along a part. Each lens surface 31 and the display surface 12 extend in a direction intersecting the first axial direction d1, more specifically, along a second axial direction d2 orthogonal to the first axial direction d1.

Here, of the both ends of the lens surface 31, the end located on one side in the first axial direction d1 (the upper side in FIG. 24 and the upper side in the vertical direction) is referred to as one end 31a, and is referred to as the first axial direction. The end located on the other side (the lower side in FIG. 24, which is the lower side in the vertical direction) in d1 is called the other end 31b, and the normal direction nd of the sheet member 20 from the one end 31a and the other end 31b. The farthest point along the line will be called the top 31c. The top portion 31c of the present embodiment is a point on the lens surface 31 that is most distant from the solar cell panel 50. The optical axis od of the lens surface 31 passes through the top 31c.

Each display surface 12 shown in FIG. 24 covers a part or all of the area between the other end 31b and the top 31c of the corresponding lens surface 31, and between the one end 31a and the top 31c. Does not cover the area. Therefore, in the display surface 12, one end portion 12a located on one side in the first axial direction d1 is normal to the sheet member 20 in the normal direction nd than the other end portion 12b located on the other side in the first axial direction d1. In, the sheet surface of the sheet member 20 is inclined so as to be separated from the solar cell panel 50.

As described above, according to the embodiment shown in FIG. 24, the sheet member 20 having the first surface 20a and the second surface 20b facing the first surface 20a and the second surface 20b of the sheet member 20 arranged facing each other. The plurality of display surfaces 12 each inclined with respect to the panel surface of the solar cell panel 50 are arranged in the sheet member 20 along the uniaxial direction d1. According to such a solar cell composite display 10, since the display surface 12 is inclined with respect to the panel surface of the solar cell panel 50, the inclined display surface 12 is observed from the direction D241 that is the front direction thereof. It will be easier. On the other hand, the light flux L242 entering the solar cell composite display body 10 from another direction different from the direction D241 in which the display surface 12 is easily visible is transmitted between the two adjacent display surfaces 12 to the solar cell panel 50. Be guided. Thus, by utilizing the difference between the observation direction D241 from the observer and the incident direction of the external light L242, harmony with the surrounding environment is achieved, and the display on the display surface 12 and the power generation by the solar cell panel 50 are compatible. Is effectively possible. Moreover, since the solar cell panel 50 is arranged to face the second surface 20b of the sheet member 20, the light receiving surface 50a of the solar cell panel 50 is not exposed to the outside. Therefore, the solar cell panel 50 can be made more inconspicuous.

Further, according to the present embodiment, the first surface 20a of the sheet member 20 includes a plurality of lens surfaces 31 arranged along the uniaxial direction d1, and each display surface 12 has a corresponding lens surface 31. Are arranged along a part of. In this case, since it can be realized by disposing the display surface 12 on a part of each lens surface 31, the solar cell composite display body 10 can be easily manufactured.

In the solar cell composite display 10 shown in FIG. 24, an example in which the lens surface 31 is a convex lens protruding toward the side opposite to the solar cell panel 50 is shown, but the shape of the lens surface 31 is as described above. It is not limited to the example. FIG. 25 shows an example in which the lens surface 31 is a concave lens that is recessed toward the second surface 20b.

Each display surface 12 shown in FIG. 25 covers a part or all of the area between the one end 31a and the top 31c of the corresponding lens surface 31, and between the other end 31b and the top 31c. Does not cover the area. Therefore, in the display surface 12, one end portion 12a located on one side in the first axial direction d1 is normal to the sheet member 20 in the normal direction nd than the other end portion 12b located on the other side in the first axial direction d1. In, the sheet surface of the sheet member 20 is inclined so as to be separated from the solar cell panel 50. Even in such a form, the same operational effect as the above-mentioned form can be obtained.

Next, still another modified example of the solar cell composite display 10 will be described with reference to FIG. In the example shown in FIG. 26, the sheet member 20 constitutes a louver sheet in which a plurality of display surfaces 12 are arranged. The first surface 20a and the second surface 20b of the sheet member 20 shown in FIG. 26 are flat surfaces, and the plurality of display surfaces 12 are arranged inside the sheet member 20. The plurality of display surfaces 12 are arranged along the first axial direction d1 and extend in a direction intersecting the first axial direction d1, more specifically, in a second axial direction d2 that is orthogonal to the first axial direction d1. A region of the sheet member 20 between the two adjacent display surfaces 12 defines a light transmission region 25.

The support sheet 40 is attached to the first surface 20 a of the sheet member 20. The support sheet 40 is provided to reinforce the sheet member 20 and support the sheet member 20.

Next, the operation of the solar cell composite display 10 will be described.

As shown in FIG. 26, the display surface display surface 12 inclined with respect to the seat surface of the sheet member 20 is easily visible from the front direction of the display surface 12. In the example shown in FIG. 26, since the display surface 12 is inclined to one side in the first axial direction d1 with respect to the normal direction nd of the sheet member 20, the first axial direction d1 with respect to the normal direction nd. When the solar cell composite type display body 10 is observed from the direction D261 inclined to the other side, the display surface 12 is easily visible.

On the other hand, the light L262 that travels in the sheet member 20 from a direction having a smaller angle to the display surface 12 is less likely to be received by the display surface 12. From this, as shown in FIG. 26, the light L262 that effectively passes through the light transmitting region 25 without being blocked by the inclined display surface 12 is inclined in the direction opposite to the direction D261 in which the display surface 12 is easily visible. It becomes light L262. That is, the light that enters the sheet member 20 while traveling to the other side in the first axis direction d1, that is, the light L262 that enters the sheet member 20 while traveling downward in the vertical direction in the illustrated example passes through the light transmission region 25. It becomes easy to be guided to the solar cell panel 50.

As described above, according to the embodiment shown in FIG. 26, the sheet member 20 having the first surface 20a and the second surface 20b facing the first surface 20a and the second surface 20b of the sheet member 20 arranged facing each other. The plurality of display surfaces 12 each inclined with respect to the panel surface of the solar cell panel 50 are arranged in the sheet member 20 along the uniaxial direction d1. According to such a solar cell composite type display body 10, since the display surface 12 is inclined with respect to the panel surface of the solar cell panel 50, the inclined display surface 12 is observed from the direction D261 which is the front direction thereof. It will be easier. On the other hand, the light flux L262 entering the solar cell composite display body 10 from another direction different from the direction D261 in which the display surface 12 is easily visible is transmitted between the two adjacent display surfaces 12 to the solar cell panel 50. Be guided. In this way, by utilizing the difference between the observation direction D261 from the observer and the incident direction of the external light L262, the harmony with the surrounding environment is achieved, and the display by the display surface 12 and the power generation by the solar cell panel 50 are compatible. Is effectively possible. Moreover, since the solar cell panel 50 is arranged to face the second surface 20b of the sheet member 20, the light receiving surface 50a of the solar cell panel 50 is not exposed to the outside. Therefore, the solar cell panel 50 can be made more inconspicuous.

Further, according to the present embodiment, the plurality of display surfaces 12 are arranged inside the sheet member 20. In this case, it is advantageous in that the display surface 12 can be protected by the material forming the sheet member 20.

Next, still another modified example of the solar cell composite display body 10 will be described with reference to FIG. In the example shown in FIG. 27, the solar cell composite display body 10 has a sheet-shaped sheet member 20, and a solar cell panel 50 arranged so as to face the second surface 20b of the sheet member 20.

The first surface 20a of the sheet member 20 includes a plurality of lens surfaces 31 arranged in the first axial direction d1. The plurality of lens surfaces 31 are arranged so that their optical axes od are parallel to each other. Particularly in the illustrated example, the lens surface 31 is arranged such that its optical axis od is parallel to the normal direction nd of the solar cell composite display 10.

The lens surface 31 constitutes a so-called lenticular lens or a cylindrical lens. That is, each lens surface 31 extends linearly in a direction that intersects the first axial direction d1 that is the arrangement direction, more specifically, in the second direction d2 that is orthogonal to the first axial direction d1.

The plurality of display surfaces 12 are arranged in the sheet member 20 along the first axial direction d1 so as to correspond to the lens surfaces 31. As shown in FIG. 27, each display surface 12 is arranged so as to at least partially face the corresponding lens surface 31 along the normal direction nd. In the present embodiment, the display surface 12 is in the same direction as the lens surface 31 in a direction that intersects the first axial direction d1 that is the array direction, more specifically, in the second direction d2 that is orthogonal to the first axial direction d1. It extends straight. Further, each display surface 12 is inclined with respect to the panel surface of the solar cell panel 50 and the normal direction nd of the sheet member 20.

Next, the operation of the solar cell composite display body 10 according to the present embodiment will be described.

As shown in FIG. 27, the inclined display surface 12 is easily visible from the front direction of the display surface 12. In the present embodiment, since the display surface 12 is inclined to one side in the first axial direction d1 with respect to the normal direction nd of the sheet member 20, in the first axial direction d1 with respect to the normal direction nd. It becomes easier to visually recognize the display surface 12 when observing the solar cell composite display body 10 from the directions D271 and D272 inclined to the other side. In particular, even when the solar cell composite display 10 is observed from the direction D272 that is largely inclined to the other side in the first axis direction d1 with respect to the normal direction nd, the solar cell composite display 10 is incident by the condensing action of the lens surface 31. The display surface 12 facing the lens surface 31 can be observed. If the plurality of display surfaces 12 are arranged on the second surface 20b of the sheet member 20 along the second surface 20b, they are adjacent to the lens surface 31 to be observed, as shown by the dotted line in FIG. The display surface 12 facing the lens surface 31 may be observed, and the intended display function may not be exhibited. That is, by tilting the display surface 12 with respect to the panel surface of the solar cell panel 50, the first angle range AR1 that is the viewing angle at which the display surface 12 is observed, in other words, the emission of light from the display surface 12 is obtained. The first angle range AR1 which is the angle range of the direction can be adjusted with a high degree of freedom.

On the other hand, the light flux L273 that travels in the sheet member 20 from a direction having a smaller angle with respect to the display surface 12 is less likely to be received by the display surface 12. From this, the light flux L273 directed to the solar cell panel 50 without being blocked by the inclined display surface 12 is inclined in the direction opposite to the directions D271 and D272 in which the display surface 12 can be effectively observed, as shown in FIG. Becomes a luminous flux L273. That is, the light that is incident on the lens surface 31 while advancing to the other side in the first axis direction d1, that is, the light flux L273 that is incident on the lens surface 31 while advancing downward in the vertical direction between the two display surfaces 12 in the illustrated example. It becomes easy to be guided to the solar cell panel 50 by passing through the area 60.

As described above, according to the embodiment shown in FIG. 27, the sheet member 20 having the first surface 20a and the second surface 20b facing the first surface 20a and the second surface 20b of the sheet member 20 arranged facing each other. The plurality of display surfaces 12 each inclined with respect to the panel surface of the solar cell panel 50 are arranged in the sheet member 20 along the uniaxial direction d1. According to such a solar cell composite type display body 10, since the display surface 12 is inclined with respect to the panel surface of the solar cell panel 50, the inclined display surface 12 becomes the front direction from the directions D271 and D272. It becomes easier to observe. On the other hand, the light flux L273 entering the solar cell composite display body 10 from another direction different from the directions D271 and D272 in which the display surface 12 is easily visible is transmitted between the two adjacent display surfaces 12 and the solar cell panel. Guided to 50. In this way, by utilizing the difference between the observation directions D271 and D272 from the observer and the incident direction of the external light L273, harmony with the surrounding environment is achieved, and the display by the display surface 12 and the power generation by the solar cell panel 50 are achieved. It is possible to effectively achieve both. Moreover, since the solar cell panel 50 is arranged to face the second surface 20b of the sheet member 20, the light receiving surface 50a of the solar cell panel 50 is not exposed to the outside. Therefore, the solar cell panel 50 can be made more inconspicuous.

Further, according to the present embodiment, the plurality of display surfaces 12 are arranged inside the sheet member 20. In this case, it is advantageous in that the display surface 12 can be protected by the material forming the sheet member 20.

The first surface 20a of the sheet member 20 includes a plurality of lens surfaces 31 arranged in the uniaxial direction d1, and the lens surface 31 guides light coming from certain directions D271 and D272 to the display surface 12. Light L273 incident from another direction different from the certain directions D271 and D272 is transmitted between two adjacent display surfaces 12 and guided to the solar cell panel 50. According to such a form, the converging action of the lens surface 31 causes the first angle range AR1 at which the viewing angle of the display surface 12 is observed and the second angle range AR2 at which the solar cell panel 50 effectively generates electricity. Can be adjusted with a high degree of freedom.

The sheet member 20 shown in FIGS. 21 to 27 can naturally be used in combination with the frame member 70 described with reference to FIGS. 9 to 20. That is, the solar cell composite-type display body 10 shown in FIGS. 21 to 27 can further include the frame member 70 that holds at least the solar cell panel 50. Providing the frame member 70 contributes to the stable installation of the solar cell panel 50 on the installation target.

Further, according to the solar cell composite type display body 10 shown in FIGS. 21 to 27, the solar cell panel 50 includes the light receiving surface 50a facing the second surface 20b of the sheet member 20 and the back surface 50b facing the light receiving surface 50a. And a side surface 50c extending between the light receiving surface 50a and the back surface 50b, the frame member 70 has a frame body 71 that faces the side surface 50c of the solar cell panel 50 and holds the solar cell panel 50. However, the frame 71 may extend from the region opposite to the sheet member 20 with respect to the solar cell panel 50 toward the sheet member 20 side along the normal direction nd of the sheet member 20. According to such a configuration, since the solar cell panel 50 can be held by the side surface 50c, it is possible to reduce the risk that the light receiving surface 50a is blocked by the frame member 70. As a result, it is excellent in that the solar cell panel 50 can effectively generate electric power.

10 Solar Cell Composite Display 12 Display Surface 12a One End 12b Other End 13 Display Target 20 Sheet Member 20a First Surface 20b Second Surface 21 Orientation Adjustment Surface 22 Light Transmission Surface 200 Sheet Component 200
31 lens surface 50 solar cell panel 50a light receiving surface 50b back surface 50b
50c Side 50c
500 panel parts 70 frame member 71 frame body 71a area 71b area 74 front end surface 75 reflection processing surface 76 back plate 78 inner frame 79 front end surface

Claims (3)

A sheet member having a first surface and a second surface facing the first surface;
A solar cell panel arranged to face the second surface of the sheet member;
A frame member that holds at least the solar cell panel,
Equipped with
In the sheet member, a plurality of display surfaces each inclined with respect to the panel surface of the solar cell panel are arranged along a uniaxial direction,
The solar cell panel is configured by arranging a plurality of panel components,
The frame member has an inner frame that passes between two adjacent panel components,
The inner frame has a front end surface that faces a direction along a normal line direction of the sheet member,
The solar cell composite display body, wherein the sheet member covers the front end surface of the inner frame. The frame member further has a circumferential frame body surrounding the solar cell panel,
The inner frame is located between the side surfaces of two adjacent panel components arranged inside the frame body,
The plurality of panel components are held by the frame body and the inner frame,
The solar cell composite display according to claim 1, wherein the width of the inner frame is narrower than the width of the frame . The frame member further has a back plate that faces the back surface of the solar cell panel,
The solar cell composite display according to claim 2, wherein the frame body and the inner frame extend from the back plate in a direction normal to the sheet member.

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