JP2017046496A - Solar battery composite type display body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a solar battery composite type display body capable of both displaying with a display surface and generating power with a solar cell panel while harmonizing with a surrounding environment.SOLUTION: A solar battery composite type display body 10 includes: a sheet-like body 40 having a first surface 40a and a second surface 40b facing the first surface 40a; a plurality of unit lenses 30, arrayed in one axis direction d1 on the second surface 40b of the body 40, forming lens surfaces 31 at a surface facing an opposite side of the body 40; a solar panel 50 so disposed as to face the unit lenses 30; and a plurality of display elements 11 so disposed as to cover part of the lens surfaces 31 of corresponding unit lenses 30.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a solar cell composite-type display body that includes a display surface for performing display and can also perform power generation using 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 power generated by the solar panel in the daytime and use the stored power as a lighting power source to improve nighttime visibility and daytime warning effect. it can. Further, since a wiring cable or the like for supplying 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, development of traffic signs with solar cell panels has been underway in recent years.

JP 2000-54325 A

In the traffic sign described in Patent Document 1, a solar battery 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 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 can be easily seen by an observer who observes the traffic sign. However, since the light receiving surface of the solar cell panel is a dark blue or black single color, the appearance of the solar cell panel is not compatible with the surrounding environment.

  The present invention has been made in consideration of the above points, and provides a solar cell composite display that can be harmonized with the surrounding environment and can be compatible with both display on the display surface and power generation by the solar cell panel. The purpose is to do.

A first solar cell composite display according to the present invention includes a sheet-like main body having a first surface and a second surface facing the first surface;
A plurality of unit lenses that are arranged on the second surface of the main body along the uniaxial direction and form a lens surface on a surface facing the opposite side of the main body;
A solar cell panel disposed to face the second surface of the main body in which the plurality of unit lenses are arranged;
A plurality of display elements each arranged to cover a part of the lens surface of the corresponding unit lens;
Is provided.

A second solar cell composite display according to the present invention includes a sheet-like main body having a first surface and a second surface facing the first surface;
A plurality of unit lenses that are arranged on the first surface of the main body along the uniaxial direction and form a lens surface on a surface facing the opposite side of the main body;
A solar cell panel disposed opposite to the second surface of the main body,
A plurality of display elements each arranged to cover a part of the lens surface of the corresponding unit lens;
Is provided.

In the first or second solar cell composite display according to the present invention, the top of the lens surface among the lens surfaces of the unit lens in a cross section parallel to both the uniaxial direction and the normal direction of the main body. When the region from the top to the other end located on the other side in the uniaxial direction is the other side region.
Each display element may cover at least a part of the one side region of the lens surface of the corresponding unit lens.

  In the first or second solar cell composite display according to the present invention, each display element may be arranged so as to be shifted from the other region of the lens surface of the corresponding unit lens.

  In the 1st or 2nd solar cell composite display body by this invention, even if the display object component is provided to the display surface prescribed | regulated by each display element, and the display object is formed with the combination of the said display object component Good.

  In the first or second solar cell composite display according to the present invention, in the cross section parallel to both the normal direction and the uniaxial direction of the main body, the solar cell panel extends along the optical axis of the unit lens. It may be arranged at a position farther from the unit lens than the focal point where the incident parallel light flux converges.

  In the first or second solar cell composite display according to the present invention, the lens surface may be a convex lens, and the lens surface may be a concave lens.

A third solar cell composite-type display body according to the present invention has a first surface and a second surface opposite to the first surface, and a sheet-like main body portion having light transparency,
A plurality of unit shape elements forming a non-planar unit shape surface on a surface facing the opposite side of the main body portion, arranged on the second surface of the main body portion along a uniaxial direction;
A solar cell panel disposed opposite to the second surface of the main body,
A plurality of display elements each arranged along a part of the unit shape surface of the corresponding unit shape element;
Is provided.

A fourth solar cell composite display according to the present invention has a first surface and a second surface opposite to the first surface, and a sheet-like main body having light transparency,
A plurality of unit shape elements that form a non-planar unit shape surface on a surface that is arranged on the first surface of the main body portion along a uniaxial direction and faces away from the main body portion;
A solar cell panel disposed opposite to the second surface of the main body,
A plurality of display elements each arranged along a part of the unit shape surface of the corresponding unit shape element;
Is provided.

A fifth solar cell composite-type display body according to the present invention has a first surface and a second surface opposite to the first surface, and a sheet-like main body having light transmittance,
A plurality of unit shape elements that are arranged on the second surface of the main body portion along a uniaxial direction and that form a unit shape surface that is recessed toward the main body portion on a surface that faces away from the main body portion. ,
A solar cell panel disposed opposite to the second surface of the main body,
A plurality of display elements each arranged along a part of the unit shape surface of the corresponding unit shape element;
Is provided.

  ADVANTAGE OF THE INVENTION According to this invention, while aiming at harmony with the surrounding environment, the solar cell composite-type display body which can be compatible with the display by a display surface and the electric power generation by a solar cell panel can be provided.

FIG. 1 is a perspective view showing a solar cell composite display body, for explaining the first embodiment. FIG. 2 is a cross-sectional view taken along the line II-II in FIG. FIG. 3 is a diagram illustrating an example of a display target displayed on the solar cell composite display. FIG. 4 is a diagram for explaining the operation of the solar cell composite display body in the same cross section as FIG. FIG. 5 is a diagram for explaining the operation of the solar cell composite display body in the same cross section as FIG. FIG. 6 is a diagram for explaining a method for manufacturing a solar cell composite display. FIG. 7 is a diagram for explaining a method for manufacturing a solar cell composite display. FIG. 8 is a cross-sectional view showing a modification of the solar cell composite display shown in FIG. FIG. 9 is a sectional view showing another modification of the solar cell composite display shown in FIG. FIG. 10 is a cross-sectional view showing still another modified example of the solar cell composite display shown in FIG. FIG. 11 is a cross-sectional view showing still another modified example of the solar cell composite display shown in FIG. FIG. 12 is a cross-sectional view showing still another modification of the solar cell composite display shown in FIG. FIG. 13 is a diagram for explaining the second embodiment and is a cross-sectional view showing a solar cell composite display. FIG. 14 is a cross-sectional view showing a modification of the solar cell composite display shown in FIG. FIG. 15 is a cross-sectional view showing still another modified example of the solar cell composite display shown in FIG.

  Hereinafter, embodiments will be described with reference to the drawings. In the drawings attached to the present specification, for the sake of illustration and ease of understanding, the scale, the vertical / horizontal dimension ratio, and the like are appropriately changed and exaggerated from those of the actual product. In addition, as used in this specification, the shape and geometric conditions and the degree thereof are specified, for example, terms such as “parallel”, “orthogonal”, “identical”, length and angle values, etc. are strictly Without being bound by meaning, it should be interpreted including the extent to which similar functions can be expected.

<< First Embodiment >>
FIGS. 1-12 is a figure for demonstrating 1st Embodiment and its modification. 1 and 2 are perspective views or longitudinal sectional views showing the configuration of the solar cell composite display body 10, and FIGS. 3 to 5 are diagrams for explaining the operation of the solar cell composite display body 10. FIGS. 6 and 7 are diagrams for explaining an example of a method for manufacturing a solar cell composite display, and FIGS. 8 to 12 show modified examples of the solar cell composite display shown in FIG. FIG.

  The solar cell composite display 10 described here exhibits both a predetermined display function and a power generation function using external light. 1 and 2 has a plurality of unit shape elements 30 arranged in the first axial direction d1, and is displayed on a part of the unit shape surface 31 of each unit shape element 30. Element 11 is arranged. When the solar cell composite display body 10 is observed from the direction D21 within a certain angle range AR1, the display element 11 disposed mainly on a part of the unit shape surface 31 of the unit shape element 30 is observed. Therefore, the display element 11 mainly exhibits a display function for an observer who observes the solar cell composite display body 10 from a certain angle range AR1. On the other hand, the light L23 incident from a direction within another certain angular range AR2 is mainly transmitted through the unit shape surface 31 of the unit shape element 30 and guided to the solar cell panel 50. Therefore, the solar cell panel 50 mainly exhibits a power generation function with respect to light incident on the solar cell composite display body 10 from another certain angular range AR2. Thus, according to the solar cell composite display 10, the solar cell panel 50 is used when the observer observes the display element 11 by utilizing the difference between the observation direction from the observer and the incident direction of the external light. Visibility is suppressed and it is possible to achieve harmony with the surroundings.

  Hereinafter, the configuration and operational effects of the solar cell composite display 10 according to the present embodiment will be described in detail. As well shown in FIGS. 1 and 2, the solar cell composite display 10 includes a light control sheet 20 and a solar cell panel 50 disposed on the back surface of the light control sheet 20. . The light control sheet 20 forms the surface 10 a of the solar cell composite display 10. The surface 10a forms an incident surface on which external light such as sunlight incident on the solar cell composite display body 10 is incident, and light from the display element 11 that visualizes the display target 13 (see FIG. 3) is sunlight. An emission surface that emits light from the battery composite display 10 is also formed.

  The light control sheet 20 includes a sheet-like main body portion 40 and an optical shape portion 25 laminated on the main body portion 40. Among these, the main-body part 40 has the 1st surface 40a and the 2nd surface 40b as a pair of main surface which mutually opposes. The first surface 40 a forms the surface 10 a of the solar cell composite display 10, and the second surface 40 b forms a surface adjacent to the optical shape portion 25. The optical shape portion 25 has a first surface and a second surface as a pair of main surfaces facing each other, and the first surface of the optical shape portion 25 faces the second surface 40 b of the main body portion 40. The second surface of the optical shape portion 25 is disposed so as to face the light incident surface 50a of the solar cell panel 50, as will be described later. The main body portion 40 and the optical shape portion 25 are made of a material having excellent light transmittance so that light incident on the solar cell composite display 10 can be efficiently transmitted, and resin or glass can be used. In this embodiment, an acrylic resin is used as a main component. In addition, although the 2nd surface 40b of the main-body part 40 and the 1st surface of the optical shape part 25 may be integrally formed as shown in FIG. 2, it is via a partial space | gap and another layer. It may be joined.

  In the present specification, terms such as “sheet”, “film”, and “plate” are not distinguished from each other only based on the difference in names. Therefore, for example, a “sheet” is a concept including a member that can also be called a film or a plate. As a specific example, the “light control sheet” includes members called “light control film”, “light control plate”, and the like.

  Further, in this specification, the “sheet surface (film surface, plate surface, panel surface)” is the plane of the target sheet-like member when the target sheet-like member is viewed as a whole and globally. A surface that matches the direction. In the embodiment described below, the panel surface of the solar cell composite display 10, the sheet surface of the light control sheet 20 described later, the sheet surface of the main body 40, and the panel surface of the solar cell panel 50 are mutually connected. It is parallel. Furthermore, in this specification, the “normal direction” used for a sheet-like (film-like, plate-like, panel-like) member refers to a normal direction to the sheet surface of the member.

  The optical shape portion 25 arranged on the second surface 40b of the main body portion 40 includes a large number of unit shape elements 30 arranged in the first axial direction d1. The unit shape element 30 here refers to one element having a certain shape repeatedly appearing in the optical shape portion 25 as its outline. The unit shape element 30 according to the present embodiment is composed of a unit lens molded into a lens shape. However, the unit shape element 30 is not limited to an example of a unit lens formed into a lens shape, and may be a unit prism having two inclined surfaces as another example.

  Further, the unit shape element 30 forms a unit shape surface 31 on the surface facing the side opposite to the main body portion 40 (second surface of the optical shape portion 25), that is, the surface facing the solar cell panel 50. The unit shape surface 31 is a non-planar surface defined by the surface of the unit shape element 30, and typically includes a plurality of planes, one or more curved surfaces, or a combination of these surfaces. The unit shape surface 31 according to the present embodiment includes a lens surface 31 having a curvature. In the following description, an example in which the unit shape element 30 is configured as the unit lens 30 and the unit shape surface 31 is configured as the lens surface 31 will be described.

  A large number of unit lenses 30 are arranged along the first axial direction d1. In the present embodiment, the first axial direction d1 is along the sheet surface of the main body 40 and is orthogonal to the normal direction nd of the main body 40. In the illustrated example, the first axial direction d1 is parallel to the vertical direction.

  A large number of unit lenses 30 are arranged such that their optical axes od are parallel to each other. In the present embodiment, the optical axis od of each unit lens 30 is parallel to the normal direction nd of the main body 40.

  In particular, the unit lenses 30 constitute so-called lenticular lenses or cylindrical lenses as shown in FIG. That is, the unit lenses 30 extend linearly in a direction intersecting the first axis direction d1 that is the arrangement direction. In particular, in the illustrated example, the unit lens 30 extends linearly in a second axial direction d2 that is orthogonal to both the first axial direction d1 and the normal direction nd. The multiple unit lenses 30 are configured identically to each other.

  Each unit lens 30 protrudes from the sheet-like main body 40 toward the normal direction nd of the main body 40, and defines the above-described lens surface 31 formed in a convex lens shape on the surface thereof. In the cross section of FIG. 2 parallel to both the first axial direction d1 and the normal direction of the solar cell panel 50, that is, the normal direction nd of the main body 40 (hereinafter also referred to as “main cut surface”), the lens The surface 31 is symmetric about the optical axis od. As shown in FIG. 2, each unit lens 30 collects parallel light beams incident on the lens surface 31 in a condensing region. The unit lens 30 shown in FIG. 2 shows an example in which the parallel light beam L22 incident along the optical axis od of the unit lens 30 is collected at the focal point fp. In this case, the focal point fp is the optical axis od of the unit lens 30. Located on the top.

  In the illustrated example, the unit lenses 30 are arranged in the first axial direction d1 with a gap therebetween. That is, a connection surface 38 that connects the two lens surfaces 31 is provided between the lens surfaces 31 of the two unit lenses 30 adjacent in the first axial direction d1. In the illustrated example, the connection surface 38 extends along the seat surface of the main body 40. The plurality of lens surfaces 31 and the plurality of connection surfaces 38 constitute a surface facing the solar cell panel 50 side of the light control sheet 20. As an example, the light control sheet 20 can be produced by resin molding using a mold. By providing the connection surface 38 and providing a gap between the adjacent unit lenses 30, light from an angle range greatly inclined with respect to the normal direction nd is emitted from the lens surface 31 of the unit lens 30 and then adjacent thereto. The problem of being blocked by the unit lens 30, so-called “vignetting”, can be reduced.

  As shown in FIG. 2, the display element 11 is arranged along a part of the lens surface 31 of each unit lens 30. Therefore, the plurality of display elements 11 are arranged in the first axial direction d <b> 1 corresponding to the unit lens 30, which is the arrangement direction of the unit lenses 30. Similarly to the unit lens 30, each display element 11 is linear in a direction intersecting the first axis direction d1 that is the arrangement direction, more strictly in a second axis direction d2 orthogonal to the first axis direction d1. It extends to.

  Here, in the main cut surface shown in FIG. 2, the both ends of the lens surface 31 are located on one side in the first axial direction d1 (in the example shown, the upper side in FIG. 2 and the upper side in the vertical direction). The end portion to be referred to as one end portion 31a, and the end portion located on the other side in the first axial direction d1 (in the illustrated example, the lower side in FIG. 2 and the lower side in the vertical direction) is referred to as the other end portion 31b. The point most distant from the one end 31a and the other end 31b along the normal direction nd of the main body 40 is referred to as a top 31c. The top portion 31 c of the present embodiment is a point closest to the solar cell panel 50 in the lens surface 31. The optical axis od of the unit lens 30 passes through the top portion 31c.

  Furthermore, in the main cut surface shown in FIG. 2, the area from the top part 31c to the one end part 31a located on one side in the first axial direction d1 among the lens surfaces 31 is called a one-side area 32a. A region up to the other end portion 31b located on the other side in the one axial direction d1 is referred to as an other side region 32b.

  As understood from FIG. 2, the one-side region 32 a extends from the top portion 31 c side to the one end portion 31 a side along the first axial direction d <b> 1 and extends along the normal direction nd of the main body portion 40. Keep away from. On the other hand, the other side region 32a is separated from the solar cell panel 50 along the normal direction nd of the main body portion 40 as it goes from the top portion 31c side to the other end portion 31b side along the first axial direction d1.

  Each display element 11 covers at least a part of one side region 32a of the lens surface 31 of the corresponding unit lens 30. In the example shown in FIG. 2, each display element 11 covers the entire one side region 32 a of the lens surface 31 of the corresponding unit lens 30 without a gap.

  On the other hand, each display element 11 is arranged so as to be shifted from the other side region 32 b of the lens surface 31 of the corresponding unit lens 30. That is, each display element 11 does not cover the other side region 32 b of the lens surface 31 of the corresponding unit lens 30. However, each display element 11 may cover a part of the other side region 32 b of the lens surface 31 of the corresponding unit lens 30.

  As described above, the solar cell composite display 10 according to the present embodiment is intended to be observed from the surface 10a side, and each display element 11 performs display on the surface facing the surface 10a side. The display surface 12 is provided. Since the display element 11 is disposed along the one side region 32a of the lens surface 31, the display surface 12 is also curved along the one side region 32a of the lens surface 31 correspondingly. More specifically, each display surface 12 corresponds to the shape of the one side region 32a of the lens surface 31, and one end portion 12a positioned on one side in the first axial direction d1 is on the other side in the first axial direction d1. It is curving so that it may space apart from the solar cell panel 50 in the normal line direction nd of the main-body part 40 rather than the other end part 12b located in this. As understood from FIG. 2, such a display surface 12 is easily visually recognized when observed from a direction D <b> 21 inclined to the other side (lower side) with respect to the normal direction nd. Therefore, the display function from the display surface 12 is effectively exhibited when observed from the direction D21 inclined to the other side with respect to the normal direction nd.

  In the present embodiment, the display target 13 is displayed by a combination of a plurality of display surfaces 12. Examples of the display target 13 include patterns (images) such as figures, patterns, designs, colors, pictures, photographs, and characters, and information such as letters, marks, and numbers. The display target 13 may be stationary or moving. In particular, when displaying the moving display object 13 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 given to the display surface 12. The plurality of display surfaces 12 are arranged in the first axis direction d1 corresponding to the plurality of unit lenses 30, and each display surface 12 is linear in the second axis direction d2 orthogonal to the first axis direction d1. It extends to. Therefore, the display surface 12 located at each position in the first axial direction d1 is given the display target component 13a according to the position of the display surface 12 in the first axial direction d1, so that the display surface 12 in the second axial direction d2 A two-dimensional display target 13 can be displayed as a combination of display target components 13a formed on each elongated display surface 12. In the example shown in FIG. 3, the capital letter “N” of the alphabet is displayed as the display target 13. Thus, since the size of each display surface 12 and each unit lens 30 can be reduced by displaying the display target 13 as a combination of a plurality of display target components 13a, the solar cell composite display 10 can be made compact. Is advantageous.

  In FIG. 3, the character “N” as the display target 13 is displayed in a discontinuous manner and is not displayed as a combination of continuously connected pixels. However, the interval between each display target component 13a and each adjacent display target component 13a is set to be sufficiently small, and for the naked eye, pixels in which the characters “N” as the display target 13 are continuously connected. Note that it can be viewed as:

  Now, returning to FIG. 2, the other side region 32 b of the lens surface 31 is not covered with the display element 11. For this reason, the light L23 incident on the other side region 32b passes through the other side region 32b while being refracted and travels toward the solar cell panel 50. That is, the region 32 b of the lens surface 31 that is not covered with the display element 11 functions as a light transmission region that guides the incident light L 23 to the light incident surface 50 a of the solar cell panel 50.

  The light L23 received by the light incident surface 50a of the solar cell panel 50 is used for power generation by the solar cell element included in the solar cell panel 50. The solar cell panel 50 is disposed so as to face the unit lens 30 and be separated from the unit lens 30.

  As shown in FIG. 2, the solar cell panel 50 extends in a planar shape so as to face the plurality of unit lenses 30 arranged in the first axial direction d1. In the illustrated example, the solar cell panel 50 extends in parallel with the sheet surface of the main body 40, in other words, the panel surface of the solar cell composite display body 10. Therefore, in the illustrated example, the solar cell panel 50 extends in parallel with the first axis direction d1 that is the arrangement direction of the unit lenses 30, and is also parallel to the second axis direction d2 that is the longitudinal direction of the unit lenses 30. It extends and spreads. Various known members can be used as the solar cell panel 50 and are not particularly limited.

  In particular, in the main cut surface shown in FIG. 2, the solar cell panel 50 is disposed at a position farther from the unit lens 30 than the focal point fp at which the parallel light beam L22 incident along the optical axis od of the unit lens 30 converges. ing. According to such an arrangement, the light beam L22 that enters the solar cell composite display 10 and travels toward the solar cell panel 50 reaches the solar cell panel 50 in a state of spreading after condensing in the condensing region. For this reason, it contributes to making the light beam L22 incident on the solar cell complex 10 reach a wide area of the solar cell panel 50.

  In the example illustrated in FIG. 2, the solar cell panel 50 is illustrated as being spaced apart from the light control sheet 20 via the air layer, but is not limited to such an example. For example, the solar cell panel 50 may be bonded to the light control sheet 20 via a low refractive index layer having a lower refractive index than the resin material forming the unit lens 30.

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

  First, as shown in FIG. 6, the main body 40 and the unit lens 30 are manufactured by molding a transparent resin. For the molding, hot-melt extrusion processing, injection molding, or the like can be employed. Next, as shown in FIG. 7, the display element 11 is arranged on the lens surface 31 of the unit lens 30. As an example, the display element 11 can be disposed on the lens surface 31 by inkjet printing. Thereafter, the solar cell panel 50 is installed so as to face the unit lens 30. Thereby, the solar cell composite display 10 is obtained.

  The solar cell composite display 10 thus obtained can be used for various purposes. For example, the solar cell composite display 10 has a size of several meters to several tens of meters used for outdoor signboards, road information bulletin boards, outer wall surfaces of buildings, and the like. Large panel use, medium size panel use of several tens of centimeters to several meters used for posters, signs, inner walls of buildings, etc., and small panel use of several centimeters to several tens of centimeters used for table lamps, portable terminals, etc. Etc. can be illustrated.

  Next, the operation of the solar cell composite display 10 will be described mainly with reference to FIGS. 4 and 5. For example, the solar cell composite display 10 is arranged such that the first axis direction d1 that is the arrangement direction of the unit lenses 30 is along the vertical direction. Specifically, the solar cell composite display 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. The

  As is well illustrated in FIG. 4, the display surface 12 of the display element 11 disposed in the one side region 32 a of the lens surface 31 is easily visible from the front direction of the display surface 12. In the example shown in FIG. 4, the display surface 12 is curved such that one end portion 12a thereof is separated from the solar cell panel 50 rather than the other end portion 12b, and therefore in the first axial direction d1 with respect to the normal direction nd. When the solar cell composite display 10 is observed from the directions D41, D42, and D43 in the first angle range AR1 inclined to the other side, the display surface 12 is easily visually recognized. Therefore, when the observer observes the solar cell composite display 10 from the directions D41, D42, and D43 inclined to the other side in the first axial direction d1 with respect to the normal direction nd, the display is performed with excellent visibility. The object 13 can be observed.

  On the other hand, the light L51, L52 that is incident on the solar cell composite display 10 from a direction different from the directions D41, D42, and D43 in which the display surface 12 is easily visible, that is, one in the first axis direction d1 with respect to the normal direction nd. Lights L51, L52, and L53 incident on the solar cell composite display body 10 from the direction inclined to the side are not easily incident on the display surface 12. The lights L51, L52, and L53 that have not entered the display surface 12 are incident on the other side region 32b that is not mainly covered with the light display element 11, and pass through the other side region 32b while being refracted by the lens action. Head toward battery panel 50. As described above, the light L51, L52, and L53 incident on the solar cell composite display body 10 from the second angle range AR2 that is different from the directions D41, D42, and D43 in which the display surface 12 is easily visible are mainly solar cells. By making it permeate | transmit toward the panel 50, it becomes possible to aim at coexistence of a display function and an electric power generation function.

  As described above, according to the present embodiment, the sheet-like main body portion 40 having the first surface 40a and the second surface 40b and the second surface 40b of the main body portion 40 are arranged along the uniaxial direction d1, A plurality of unit lenses 30 that form a lens surface 31 on a surface facing away from the main body 40, and a solar cell that is disposed to face the second surface 40b of the main body 40 in which the plurality of unit lenses 30 are arranged. A panel 50 and a plurality of display elements 11 arranged so as to cover a part of the lens surface 31 of the corresponding unit lens 30 are provided. According to such a form, since the some display element 11 is arrange | positioned in the front surface of the solar cell panel 50, the solar cell panel 50 can be made not conspicuous. On the other hand, since each display element 11 is arranged along a part of the corresponding lens surface 31, the outside light L 23 not blocked by the display element 11 is adjusted in the traveling direction by the lens surface 31. It goes toward the solar cell panel 50. Thereby, the external light L23 not blocked by the display element 11 can be effectively utilized for power generation by the solar cell panel 50 while utilizing the lens effect. Thus, according to the present embodiment, the solar cell panel 50 is made inconspicuous so as to achieve harmony with the surrounding environment, and at the same time, both the display by the display element 11 and the power generation by the solar cell panel 50 are achieved. Is possible. In addition, since the display element 11 can be realized by disposing the display element 11 on a part of the lens surface 31 of each unit lens 30, the solar cell composite display 10 can be easily manufactured.

  Furthermore, the solar cell panel 50 is disposed to face the second surface 40 b of the main body 40. In this case, since the plurality of unit lenses 30 are not exposed on the surface of the solar cell composite display body 10, it is possible to suppress foreign matter from adhering to the lens surface 31 of the unit lens 30.

  Further, according to the present embodiment, in the cross section parallel to both the uniaxial direction d1 and the normal direction nd of the main body portion 40, one side of the lens surface 31 from the top portion 31c of the lens surface 31 in the uniaxial direction d1. When the region from the top portion 31c to the other end portion 31b located on the other side in the uniaxial direction d1 is the other side region 32b, the display element 11 At least a part of the one side region 32a of the lens surface 31 of the corresponding unit lens 30 is covered. In this case, the one side region 32a is easy to observe when the solar cell composite display 10 is observed from the direction D21 inclined to the other side in the uniaxial direction d1 with respect to the normal direction nd of the main body 40. Therefore, when the solar cell composite display body 10 is observed from the direction D21 inclined to the other side in the uniaxial direction d1, the display elements 11 arranged in the one-side region 32a can be easily seen.

  In particular, according to the present embodiment, each display element 11 is arranged so as to be shifted from the other side region 32 b of the lens surface 31 of the corresponding unit lens 30. In this case, light L23 from a direction inclined to one side in the uniaxial direction d1 with respect to the normal direction nd of the main body portion 40 is likely to enter the other side region 32b. Therefore, by not arranging the display element 11 in the other side region 32b, the light L23 incident on the solar cell composite display body 10 from a direction inclined to one side in the uniaxial direction d1 can be easily guided to the solar cell panel 50. Thus, by utilizing the difference between the observation direction D21 from the observer and the incident direction of the external light L23, it is possible to further achieve both the display by the display element 11 and the power generation by the solar cell panel 50.

  In particular, in the solar cell composite 10 according to the present embodiment, the uniaxial direction d1 that is the arrangement direction of the unit lenses 30 is along the vertical direction, one side in the uniaxial direction d1 corresponds to the upper side, and the other side in the uniaxial direction d1 is the lower side. It corresponds to. Such a method of installation is suitable for the case where the solar cell composite 10 is installed at a position higher than the line of sight in a use as a display plate assumed as a typical use. Since the observer observes the solar cell complex 10 while looking up to the upper side in the vertical direction, it is easy to visually recognize the display element 11 arranged in the one side region 32a. On the other hand, although the incident direction of sunlight changes depending on the time zone and season, it enters the solar cell composite display 10 while proceeding in a direction inclined downward in the vertical direction. For this reason, even if the incident direction changes according to the time zone and season, sunlight is incident on the solar cell composite display body 10 from a direction inclined downward in the vertical direction, and is mainly transmitted through the lens surface 31. It can go to the solar cell panel 50. Therefore, according to such a form, the display by the display element 11 and the electric power generation by the solar cell panel 50 can be made compatible effectively.

  Further, according to the present embodiment, in the cross section parallel to both the normal direction nd and the uniaxial direction d1 of the main body portion 40, the solar cell panel 50 has the parallel luminous flux incident along the optical axis od of the unit lens 30. It is arranged at a position farther from the unit lens 30 than the focal point fp at which L22 converges. According to such an arrangement, the solar cell panel in a state in which the light beams L22, L23, L51 to L53 entering the solar cell composite display 10 and traveling toward the solar cell panel 50 are spread after being condensed in the condensing region. Reach 50. For this reason, it contributes to making the light beams L22, L23, and L51 to L53 incident on the solar cell complex 10 reach a wide area of the solar cell panel 50.

  Moreover, according to this Embodiment, it has the 2nd surface 40b facing the 1st surface 40a and the 1st surface 40a, and the sheet-like main-body part 40 which consists of resin which has a light transmittance, and the uniaxial direction d1 A plurality of unit-shaped elements 30 that form a non-planar unit-shaped surface 31 on a surface that is arranged along the second surface 40 b of the main body 40 and faces away from the main body 40, and the second of the main body 40. A solar cell composite comprising a solar cell panel 50 arranged to face the surface 40b and a plurality of display elements 11 arranged along a part of the unit shape surface 31 of the unit shape element 30 to which each corresponds. A mold display 10 is provided. According to such a solar cell composite-type display body 10, since the several display element 11 is arrange | positioned in the front surface of the solar cell panel 50, the solar cell panel 50 can be made not conspicuous. On the other hand, since each display element 11 is arranged along a part of the corresponding unit shape surface 31, the external light L23 that is not blocked by the display element 11 passes through the unit shape surface 31 and is solar cell. Go to panel 50. Thereby, the external light L23 not blocked by the display element 11 can be effectively used for power generation by the solar cell panel 50. Thus, according to the present embodiment, the solar cell panel 50 is made inconspicuous so as to achieve harmony with the surrounding environment, and at the same time, both the display by the display element 11 and the power generation by the solar cell panel 50 are achieved. Is possible. In addition, since the display element 11 can be realized by disposing the display element 11 on a part of the unit shape surface 31 of each unit shape element 30, the solar cell composite display body 10 can be easily manufactured. In addition, the solar cell panel 50 can also be arrange | positioned so that the 1st surface 40a of the main-body part 40 may be opposed as mentioned later.

  By the way, Table 1 below shows the south-middle altitude (°) for each season in major cities in some countries of the world. It is preferable that the south and middle altitudes of the equinox in the major cities of the country where the use is assumed be included in the second angle range AR2. This is because there is a high possibility that it can be used effectively in that country. For example, when the country assumed 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 from 49 ° to 61 ° is included in the second angle range AR2, since there is a high possibility that it can be used effectively in many countries in the world. In addition, it is more preferable that the second angle range AR2 includes a range from the southern middle altitude of the summer solstice to the southern middle altitude of the winter solstice in the main cities of the country assumed to be used. This is because there is a high possibility that it can be used effectively throughout the year in that country. For example, when the country assumed to be used is Japan, the altitude from 31 ° to 79 ° may be included in the second angle range AR2. Furthermore, it is preferable that an altitude of 25 ° to 84 ° is included in the second angle range AR2, since there is a high possibility that it can be used effectively in many countries in the world. In order to make it easier for the desired altitude to be included in the second angle range AR2, it is preferable that the angle range of the second angle range AR2 is continuous by about 45 ° or more. However, it is also possible to make the desired altitude fall within the second angle range AR2 by arranging the solar cell composite display 10 so as to be inclined. 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 according to the present embodiment. The features of the body 10 can be exhibited more.

  Note that various modifications can be made to the above-described embodiment. Hereinafter, an example of modification will be described with reference to the drawings. In the following description and the drawings used in the following description, the same reference numerals as those used for the corresponding parts in the above embodiment are used for the parts that can be configured in the same manner as in the above embodiment. A duplicate description is omitted.

  In the above-described embodiment, as shown in FIG. 2, an example in which an air layer is interposed between the second surface 40 b of the main body 40 and the solar cell panel 50 has been described. The form is not limited to such an example. In FIG. 8, the other form of the solar cell composite display 10 is shown. In the example shown in FIG. 8, the solar cell composite display 10 is located in the valley region V that is at least between two adjacent protrusions 30 and has a low refractive index that fills at least a part of the valley region V. A layer 60 is provided.

  The low refractive index layer 60 shown in FIG. 8 is laminated on the second surface 40b of the main body 40 on which the unit lens 30 is disposed. That is, the low refractive index layer 60 covers the connection surface 38, the lens surface 31, and the display element 11 without a gap. By covering the lens surface 31 and each display element 11 with the low refractive index layer 60, the lens surface 31 and each display element 11 can be protected from scratches and abrasion.

  The refractive index of the low refractive index layer 60 is different from the refractive index of the material forming the main body 40 and the unit lens 30. Therefore, a refractive index difference is generated at the interface between the low refractive index layer 60 and the unit lens 30, and the lens surface 31 is formed. The refractive index of the low refractive index layer 60 shown in FIG. 8 is lower than the refractive index of the material forming the unit lens 30. For this reason, the lens surface 31 functions as a convex lens that is convex from the main body 40 side toward the solar cell panel 50 side.

  According to the low refractive index layer 60, since at least a part of the valley region V between the two adjacent protrusions 30 can be filled, it is possible to effectively suppress the accumulation of foreign matters in the valley region V. can do.

  In the above-described embodiment, as shown in FIG. 2, an example in which a plurality of unit lenses 30 are configured identically is shown, but the form of the unit lens 30 is not limited to such an example. In FIG. 9, the other form of the solar cell composite display 10 is shown. In the example shown in FIG. 9, in the solar cell composite display body 10, at least one of the plurality of unit lenses 30 has an aspect ratio different from that of the other unit lenses 30. The aspect ratio referred to in this specification is the length of the unit lens 30 along the first axial direction d1 is W, and the length of the unit lens 30 along the normal direction nd of the main body 40 is H. If it does, it will say the value represented by H / W.

  The plurality of unit lenses 30 shown in FIG. 9 include a plurality of low aspect unit lenses 30L and a plurality of high aspect unit lenses 30H. The low aspect unit lens 30L has an aspect ratio H / W smaller than that of the high aspect unit lens 30H.

  According to the form shown in FIG. 9, at least one of the plurality of unit lenses 30 is different in aspect ratio from the other unit lenses 30. In this case, by setting the aspect ratio H / W of each unit lens 30 in accordance with the direction of incident sunlight, even if the incident direction of sunlight changes, some unit lenses 30 can receive sunlight L92. The solar cell panel 50 can be effectively guided. As a result, even if the incident direction of sunlight changes, the sunlight L92 can be guided to the solar cell panel 50 with a good balance.

  Moreover, in the solar cell composite display 10 described above, an example in which the unit lens 30 is formed of a convex lens protruding toward the solar cell panel 50 side is shown, but the form of the unit lens 30 is not limited to such an example. FIG. 10 shows an example in which the unit lens 30 is formed of a concave lens that is concave toward the second surface 40b side. However, in the form shown in FIG. 10, the uniaxial direction d1 that is the arrangement direction of the unit lenses 30 is along the vertical direction, but unlike the form shown in FIG. 2, one side in the uniaxial direction d1 corresponds to the lower side. The other side in the direction d1 corresponds to the upper side.

  Each display element 11 shown in FIG. 10 covers part or all of the one side region 32a between the one end portion 31a and the top portion 31c of the corresponding lens surface 31, and the other end portion 31b and the top portion 31c. It does not cover the other side area 32b between the two. As understood from FIG. 10, the one-side region 32 a is a solar cell along the normal direction nd of the main body portion 40 as it goes from the top portion 31 c side to the one end portion 31 a side along the first axial direction d 1. Approach the panel 50. On the other hand, the other side region 32b approaches the solar cell panel 50 along the normal direction nd of the main body 40 as it goes from the top portion 31c side to the other end portion 31b side along the first axial direction d1.

  Each display element 11 has a display surface 12 for performing display on the surface facing the front surface 10a side. Since the display element 11 is disposed along the one side region 32a of the lens surface 31, the display surface 12 is also curved along the one side region 32a of the lens surface 31 correspondingly. More specifically, each display surface 12 corresponds to the shape of the one side region 32a of the lens surface 31, and one end portion 12a positioned on one side in the first axial direction d1 is on the other side in the first axial direction d1. It is curving so that it may approach the solar cell panel 50 in the normal line direction nd of the main-body part 40 rather than the other end part 12b located in this.

  In particular, when the unit lens 30 is formed of a concave lens that is recessed toward the second surface 40b side, as shown in FIG. 10, the first portion of the main body portion 40 from the direction inclined to the other side with respect to the normal direction nd of the main body portion 40. Of the sunlight L102 and L103 incident on the first surface 40a and traveling toward the lens surface 31, a part of the light L103 traveling toward the one-side region 32a of the lens surface 31 is totally reflected by the one-side region 32a. The totally reflected light L103 passes through the other side region 32b of the lens surface 31 located adjacent to the light L103 and is received by the solar cell panel 50. For this reason, when unit lens 30 consists of a concave lens which dents toward the 1st surface 40a side, a lot of sunlight L103 can be led now to solar cell panel 50, and electric power generation amount by solar cell panel 50 is raised. Can do.

  In addition, the form of the unit lens (unit shape element) 30 that exhibits the same function and effect as described above is not limited to the example of the concave lens that is recessed toward the second surface 40b side, and the unit shape element 30 includes the second of the main body portion. The unit-shaped surface 31 that is recessed toward the surface 40b may be formed. That is, the top part 31 c of the unit shape surface 31 of the unit shape element 30 only needs to be disposed closer to the main body part than the one end part 31 a of the unit shape surface 31 and the other end part 31 b of the unit shape surface 31. As shown in FIG. 10, the unit shape surface may be a non-planar surface (curved surface) or a flat surface. As an example of the case where the unit shape surface is a plane, FIG. 15 shows a case where the unit shape surface is a unit prism having one inclined surface.

  FIG. 11 is a cross-sectional view showing an example in which a low refractive index layer 60 is further laminated on the second surface 40b of the main body 40 of the solar cell composite display body 10 shown in FIG. In the example illustrated in FIG. 11, the low refractive index layer 60 covers the connection surface 38, the lens surface 31, and the display element 11 without a gap.

  The refractive index of the low refractive index layer 60 is different from the refractive index of the material forming the main body 40. Therefore, a refractive index difference is generated at the interface between the low refractive index layer 60 and the unit lens 30, and the lens surface 31 is formed. The refractive index of the low refractive index layer 60 shown in FIG. 11 is lower than the refractive index of the material forming the unit lens 30. For this reason, the lens surface 31 functions as a concave lens that becomes concave from the main body 40 side toward the solar cell panel 50 side.

  In particular, the low refractive index layer 60 includes a plurality of filling elements 61 filled in the lens surface 31 made of a concave lens corresponding to each. By filling the lens surface 31 made of a concave lens with the filling element 61, it is possible to effectively suppress the accumulation of foreign matters on the lens surface 31.

  In addition, the filling elements 61 shown in FIG. 11 also cover the display elements 11 corresponding to each. By covering the display element 11 with the filling element 61, the display element 11 can be protected from scratches and abrasion.

  In the example shown in FIG. 11, the surface of the light control sheet 20 facing the solar cell panel 50 side includes a plurality of lens surfaces 31 and a connection surface 38 that connects between the lens surfaces 31 of two adjacent unit lenses 30. Become. By providing the connection surface 38, the moldability of the lens surface 31 can be improved, and as a result, the lens surface 31 can be accurately manufactured.

  However, the form of the surface of the light control sheet 20 facing the solar cell panel 50 side is not limited to such an example. FIG. 12 shows another example of the light control sheet 20. In the example illustrated in FIG. 12, the surface of the light control sheet 20 facing the solar cell panel 50 side includes a plurality of lens surfaces 31. Even in such an example, the same effects as the above-described embodiment can be achieved. Further, since there is substantially no connection surface that connects the lens surfaces 31, the lens surfaces 31 can be densely arranged on the second surface side 40b of the main body 40.

<< Second Embodiment >>
Next, a second embodiment will be described with reference to FIG. FIG. 13 is a cross-sectional view showing the solar cell composite display body 10 according to the second embodiment. The second embodiment described with reference to FIG. 13 differs in the arrangement of the unit lenses 30, but the other configurations can be configured in the same manner as in the first embodiment. In the following description of the second embodiment and the drawings used in the following description, the parts that can be configured in the same manner as in the first embodiment described above are the same as the corresponding parts in the first embodiment described above. The same reference numerals as those used above will be used, and redundant explanation will be omitted.

  In the second embodiment shown in FIG. 13, the plurality of unit lenses 30 are arranged on the first surface 40 a of the main body 40, and the second surface 40 b of the main body 40 faces the solar cell panel 50. However, in the second embodiment, the uniaxial direction d1 that is the arrangement direction of the unit lenses 30 is along the vertical direction, but unlike the first embodiment, one side in the uniaxial direction d1 corresponds to the lower side. The other side in the uniaxial direction d1 corresponds to the upper side.

  The display element 11 is arranged along a part of the lens surface 31 of each unit lens 30. In the example illustrated in FIG. 13, the display element 11 is disposed so as to cover the one side region 32 a of the lens surface 31, and does not cover the other side region 32 b. As understood from FIG. 13, the one-side region 32a is a solar cell along the normal direction nd of the main body portion 40 as it goes from the top portion 31c side to the one end portion 31a side along the first axial direction d1. Approach the panel 50. On the other hand, the other side region 32b approaches the solar cell panel 50 along the normal direction nd of the main body 40 as it goes from the top portion 31c side to the other end portion 31b side along the first axial direction d1.

  Each display element 11 has a display surface 12 for performing display on the surface facing the front surface 10a side. Since the display element 11 is disposed along the one side region 32a of the lens surface 31, the display surface 12 is also curved along the one side region 32a of the lens surface 31 correspondingly. More specifically, each display surface 12 corresponds to the shape of the one side region 32a of the lens surface 31, and one end portion 12a positioned on one side in the first axial direction d1 is on the other side in the first axial direction d1. It is curving so that it may approach the solar cell panel 50 in the normal line direction nd of the main-body part 40 rather than the other end part 12b located in this. As can be understood from FIG. 13, such a display surface 12 is easily visually recognized when observed from a direction D131 inclined to one side (downward) with respect to the normal direction nd.

  On the other hand, the light L133 incident on the solar cell composite display body 10 from a direction different from the direction D131 in which the display surface 12 is easily visible, that is, on the other side (upper side) in the first axial direction d1 with respect to the normal direction nd. The light L133 incident on the solar cell composite display body 10 from the inclined direction is difficult to enter the display surface 12. The light L133 that is difficult to enter the display surface 12 is mainly incident on the other side region 32b not covered with the light display element 11, passes through the other side region 32b while being refracted by the lens action, and travels toward the solar cell panel 50. To go. As described above, the light L133 incident on the solar cell composite display body 10 from a direction different from the direction D131 in which the display surface 12 is easily visible can be transmitted toward the solar cell panel 50, so that the display function and the power generation function can be achieved. It is possible to achieve both.

  As described above, according to the present embodiment, the sheet-like main body portion 40 having the first surface 40a and the second surface 40b is arranged on the first surface 40a of the main body portion 40 along the uniaxial direction d1, A plurality of unit lenses 30 that form the lens surface 31 on the surface facing away from the main body 40, and a solar cell panel 50 that is disposed to face the second surface 40b of the main body 40, each corresponding unit. A plurality of display elements 11 arranged to cover a part of the lens surface 31 of the lens 30. According to such a form, since the some display element 11 is arrange | positioned in the front surface of the solar cell panel 50, the solar cell panel 50 can be made not conspicuous. On the other hand, since each display element 11 is arranged along a part of the corresponding lens surface 31, the external light L 133 not blocked by the display element 11 is adjusted in the traveling direction by the lens surface 31. It goes toward the solar cell panel 50. Thereby, the external light L133 not blocked by the display element 11 can be effectively used for power generation by the solar cell panel 50 while utilizing the lens effect. Thus, according to the present embodiment, the solar cell panel 50 is made inconspicuous so as to achieve harmony with the surrounding environment, and at the same time, both the display by the display element 11 and the power generation by the solar cell panel 50 are achieved. Is possible. In addition, since the display element 11 can be realized by disposing the display element 11 on a part of the lens surface 31 of each unit lens 30, the solar cell composite display 10 can be easily manufactured.

  Further, according to the present embodiment, in the cross section parallel to both the uniaxial direction d1 and the normal direction nd of the main body portion 40, one side of the lens surface 31 from the top portion 31c of the lens surface 31 in the uniaxial direction d1. When the region from the top portion 31c to the other end portion 31b located on the other side in the uniaxial direction d1 is the other side region 32b, the display element 11 At least a part of the one side region 32a of the lens surface 31 of the corresponding unit lens 30 is covered. In this case, the one side region 32a is easy to observe when the solar cell composite display body 10 is observed from the direction D131 inclined to one side in the uniaxial direction d1 with respect to the normal direction nd of the main body 40. Therefore, when the solar cell composite display body 10 is observed from the direction D131 inclined to one side in the uniaxial direction d1, the display elements 11 arranged in the one-side region 32a can be easily seen.

  In particular, according to the present embodiment, each display element 11 is arranged so as to be shifted from the other side region 32 b of the lens surface 31 of the corresponding unit lens 30. In this case, light L133 from a direction inclined to the other side in the uniaxial direction d1 with respect to the normal direction nd of the main body portion 40 is likely to enter the other side region 32b. Therefore, by not arranging the display element 11 in the other side region 32b, the light L133 incident on the solar cell composite display body 10 from the direction inclined to the other side in the uniaxial direction d1 can be easily guided to the solar cell panel 50. Thus, by utilizing the difference between the observation direction D131 from the observer and the incident direction of the external light L133, it is possible to further achieve both the display by the display element 11 and the power generation by the solar cell panel 50.

  In particular, in the solar cell complex 10 according to the present embodiment, the uniaxial direction d1 that is the arrangement direction of the unit lenses 30 is along the vertical direction, one side in the uniaxial direction d1 corresponds to the lower side, and the other side in the uniaxial direction d1 is the upper side. It corresponds to. Such a method of installation is suitable for the case where the solar cell composite 10 is installed at a position higher than the line of sight in a use as a display plate assumed as a typical use. Since the observer observes the solar cell complex 10 while looking up to the upper side in the vertical direction, it is easy to visually recognize the display element 11 arranged in the one side region 32a. On the other hand, although the incident direction of the sunlight L133 changes according to the time zone and season, the sunlight L133 enters the solar cell composite display 10 while proceeding in a direction inclined downward in the vertical direction. For this reason, even if the incident direction changes according to the time zone or the season, the sunlight L133 is incident on the solar cell composite display body 10 from the direction inclined downward in the vertical direction and mainly transmits through the lens surface 31. To the solar cell panel 50. Therefore, according to such a form, the display by the display element 11 and the electric power generation by the solar cell panel 50 can be made compatible effectively.

  Further, according to the present embodiment, in the cross section parallel to both the normal direction nd and the uniaxial direction d1 of the main body portion 40, the solar cell panel 50 has the parallel luminous flux incident along the optical axis od of the unit lens 30. It is arranged at a position farther from the unit lens 30 than the focal point fp at which L132 converges. According to such an arrangement, the light beams L132 and L133 that enter the solar cell composite display 10 and travel toward the solar cell panel 50 reach the solar cell panel 50 in a state of being expanded after being condensed in the condensing region. . For this reason, it contributes to making the light beam L132 and L133 which inject into the solar cell composite body 10 reach | attain the wide area | region of the solar cell panel 50. FIG.

  In addition, in the solar cell composite display 10 described above, the example in which the unit lens 30 is formed of a convex lens that protrudes toward the side opposite to the solar cell panel 50 is shown, but the form of the unit lens 30 is such an example. It is not limited. FIG. 14 shows an example in which the unit lens 30 is formed of a concave lens that is recessed toward the second surface 40b side. However, in the form shown in FIG. 14, the uniaxial direction d1 that is the arrangement direction of the unit lenses 30 is along the vertical direction. Unlike the form shown in FIG. 13, one side in the uniaxial direction d1 corresponds to the upper side, and the uniaxial direction The other side in d1 corresponds to the lower side.

  Each display element 11 shown in FIG. 14 covers part or all of the one side region 32a between the one end 31a and the top 31c of the corresponding lens surface 31, and the other end 31b and the top 31c. It does not cover the other side area 32b between the two. As can be understood from FIG. 14, the one-side region 32a is a solar cell along the normal direction nd of the main body portion 40 as it goes from the top portion 31c side to the one end portion 31a side along the first axial direction d1. It moves away from the panel 50. On the other hand, the other side region 32b is separated from the solar cell panel 50 along the normal direction nd of the main body portion 40 as it goes from the top portion 31c side to the other end portion 31b side along the first axial direction d1.

  Each display element 11 has a display surface 12 for performing display on the surface facing the front surface 10a side. Since the display element 11 is disposed along the one side region 32a of the lens surface 31, the display surface 12 is also curved along the one side region 32a of the lens surface 31 correspondingly. More specifically, each display surface 12 corresponds to the shape of the one side region 32a of the lens surface 31, and one end portion 12a positioned on one side in the first axial direction d1 is on the other side in the first axial direction d1. It is curving so that it may space apart from the solar cell panel 50 in the normal line direction nd of the main-body part 40 rather than the other end part 12b located in this.

  In addition, although the some modification with respect to embodiment mentioned above was demonstrated above, naturally, it is also possible to apply combining several modifications suitably.

DESCRIPTION OF SYMBOLS 10 Solar cell composite display 10a Front surface 10b Back surface 11 Display element 12 Display surface 13 Display target 30 Unit lens 31 Lens surface 31a One end part 31b Other end part 31c Top part 32a One side area | region 32b Other side area | region 40 Main body part 40a 1st surface 40b Second surface 50 Solar cell panel 50a Light-receiving surface

Claims (10)

A sheet-like main body having a first surface and a second surface facing the first surface;
A plurality of unit lenses that are arranged on the second surface of the main body along the uniaxial direction and form a lens surface on a surface facing the opposite side of the main body;
A solar cell panel disposed to face the second surface of the main body in which the plurality of unit lenses are arranged;
A plurality of display elements each arranged to cover a part of the lens surface of the corresponding unit lens;
A solar cell composite display comprising: A sheet-like main body having a first surface and a second surface facing the first surface;
A plurality of unit lenses that are arranged on the first surface of the main body along the uniaxial direction and form a lens surface on a surface facing the opposite side of the main body;
A solar cell panel disposed opposite to the second surface of the main body,
A plurality of display elements each arranged to cover a part of the lens surface of the corresponding unit lens;
A solar cell composite display comprising: In a cross section parallel to both the uniaxial direction and the normal direction of the main body portion, a region from the top of the lens surface to one end portion located on one side in the uniaxial direction is one of the lens surfaces of the unit lens. When the region from the top to the other end located on the other side in the uniaxial direction is the other region,
3. The solar cell composite display according to claim 1, wherein each display element covers at least a part of the one side region of the lens surface of a corresponding unit lens.   4. The solar cell composite display body according to claim 3, wherein each display element is arranged so as to be shifted from the other region of the lens surface of the corresponding unit lens.   The solar cell composite display according to any one of claims 1 to 4, wherein a display target component is provided on a display surface defined by each display element, and a display target is formed by a combination of the display target components. body.   In a cross section parallel to both the normal direction and the uniaxial direction of the main body, the solar cell panel is separated from the unit lens than the focal point at which the parallel light flux incident along the optical axis of the unit lens converges. The solar cell composite-type display body according to any one of claims 1 to 5, which is disposed at the position where it is placed.   The solar cell composite display according to any one of claims 1 to 6, wherein the lens surface is a convex lens.   The said lens surface is a solar cell composite display body as described in any one of Claims 1-6 which consists of concave lenses. A sheet-like main body portion having a first surface and a second surface facing the first surface, and having light transmittance;
A plurality of unit shape elements forming a non-planar unit shape surface on a surface facing the opposite side of the main body portion, arranged on the second surface of the main body portion along a uniaxial direction;
A solar cell panel disposed opposite to the second surface or the first surface of the main body,
A plurality of display elements each arranged along a part of the unit shape surface of the corresponding unit shape element;
A solar cell composite display comprising: A sheet-like main body portion having a first surface and a second surface facing the first surface, and having light transmittance;
A plurality of unit shape elements that are arranged on the second surface of the main body portion along a uniaxial direction and that form a unit shape surface that is recessed toward the main body portion on a surface that faces away from the main body portion. ,
A solar cell panel disposed opposite to the second surface of the main body,
A plurality of display elements each arranged along a part of the unit shape surface of the corresponding unit shape element;
A solar cell composite display comprising:

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