TWI808484B - Solar module - Google Patents

Abstract

A solar module is provided in some embodiments of the present disclosure, including a back plate, a first encapsulant layer, a solar cell, a second encapsulant layer and a cover plate. The first encapsulant layer is disposed on the back plate. The solar cell is disposed on the first encapsulant layer. The second encapsulant layer is disposed on the solar cell. The cover plate is disposed on the second encapsulant layer and includes a transparent substrate and a decorative layer. The decorative layer includes a plurality of decorative color bands, in which the decorative color bands are disposed on a portion of a lower surface of the transparent substrate and define together with the transparent substrate: a plurality of hexagonal hollow patterns arranged and spaced apart from each other at a distance, in which any one of the hexagonal hollow patterns includes a color region and a blank region which is light-transmitting; and a light-transmitting region disposed between the plurality of hexagonal hollow patterns.

Description

solar module

The present disclosure relates to a solar module.

With the shortage of petrochemical energy and the increasing demand for energy, the research and development of renewable energy has become one of the most important topics today. Renewable energy generally refers to sustainable and non-polluting natural energy, such as solar energy, wind energy, water conservancy energy, tidal energy, or biomass energy. Using solar energy as a daily energy source is a new trend today.

When solar modules are used to generate electricity, the solar cells will not produce harmful substances such as carbon dioxide or nitride during the electricity generation process, so they will not pollute the environment, which also makes the application of solar modules to generate electricity widely popular.

However, the color of traditional solar modules is relatively single, which is difficult to meet the aesthetic requirements and limits the applicable fields. If the solar module is to be colored, not only the manufacturing cost is increased, but also there is a problem that the coloring material (such as glaze) affects the light transmittance, resulting in a decrease in power generation.

Some embodiments of the present disclosure provide a solar module including a backsheet, a first encapsulation layer, a solar cell, a second encapsulation layer, and a cover sheet. The first encapsulation layer is disposed on the backplane. The solar cell is disposed on the first encapsulation layer. The second encapsulation layer is disposed on the solar cell. The cover plate is disposed on the second encapsulation layer and includes a transparent substrate and a decoration layer. The transparent substrate includes an upper surface and a lower surface opposite to the upper surface. The decorative layer includes a plurality of decorative ribbons, wherein the decorative ribbon is arranged on the lower surface, contacts the second encapsulation layer, and together with the transparent substrate defines a plurality of hollow patterns arranged at a distance from each other and a light-transmitting area between the hollow patterns, wherein any one of the hollow patterns includes a color area connected by the decorative ribbon and a light-transmitting blank area; and the distance between the hollow patterns, and the ratio of the width of any one of the decorative ribbons to the distance between the hollow patterns is 1:10 to 10:1.

In some embodiments, the width of any of the decorative ribbons is greater than the distance that the hollow patterns are spaced apart from each other.

In some embodiments, the width of any of the decorative ribbons is equal to the distance that the hollow patterns are spaced apart from each other.

In some embodiments, the width of any of the decorative ribbons is smaller than the distance that the hollow patterns are spaced apart from each other.

Some embodiments of the present disclosure provide a solar module including a backsheet, a first encapsulation layer, a solar cell, a second encapsulation layer, and a cover sheet. The first encapsulation layer is disposed on the backplane. The solar cell is disposed on the first encapsulation layer. The second encapsulation layer is disposed on the solar cell. The cover plate is disposed on the second encapsulation layer and includes a transparent substrate and a decoration layer. The transparent substrate includes an upper surface and a lower surface opposite to the upper surface. The decorative layer includes a plurality of decorative ribbons, wherein the decorative ribbons are arranged on the lower surface, contact the second encapsulation layer, and together with the transparent substrate define a plurality of regular hexagonal hollow patterns arranged at a distance from each other and light-transmitting areas between the regular hexagonal hollow patterns, wherein any one of the regular hexagonal hollow patterns includes a color area connected by the decorative ribbons and a light-transmitting blank area; and the light-transmitting area is located between the regular hexagonal hollow patterns.

In some embodiments, the blank area is circular, elliptical, or polygonal.

In some embodiments, the polygon is a regular hexagon.

Some embodiments of the present disclosure provide a solar module including a backsheet, a first encapsulation layer, a solar cell, a second encapsulation layer, and a cover sheet. The first encapsulation layer is disposed on the backplane. The solar cell is disposed on the first encapsulation layer. The second encapsulation layer is disposed on the solar cell. The cover plate is disposed on the second encapsulation layer and includes a transparent substrate and a decoration layer. The transparent substrate includes an upper surface and a lower surface opposite to the upper surface. The decorative layer includes a plurality of decorative ribbons, wherein the decorative ribbons are arranged on the lower surface, contact the second packaging layer, and together with the transparent substrate define a plurality of hollow patterns arranged at a distance from each other and light-transmitting areas between the hollow patterns, wherein any one of the hollow patterns includes a color area connected by the decorative ribbons and a light-transmitting blank area; and the light-transmitting area is located between the hollow patterns, wherein the ratio of the area of the color area to the area of the blank area is 1:50 to 4:1.

In some embodiments, the hollow pattern contains multiple color regions, and the areas of the color regions are the same.

In some embodiments, the hollow pattern includes a plurality of color zones, and the color zones include a first group of color zones and a second group of color zones, wherein the area of any color zone in the first group of color zones is different from the area of any color zone in the second group of color zones.

In some embodiments, the color of the first group of color zones is different from the color of the second group of color zones.

In some embodiments, if the wavelength of the first color light reflected by the first group of color regions is greater than the wavelength of the second color light reflected by the second group of color regions, the area of the first group of color regions is smaller than the area of the second group of color regions.

The spirit of the present disclosure will be clearly illustrated with drawings and detailed descriptions below. Anyone with ordinary knowledge in the technical field can change and modify the technology taught in the present disclosure after understanding the preferred implementation modes and embodiments of the present disclosure without departing from the spirit and scope of the present disclosure.

Throughout the specification, the same reference numerals denote the same elements. It will be understood that when an element such as a layer, film, region, or substrate is referred to as being “on” or “connected to” another element, it can be directly on or connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" or "directly connected to" another element, there are no intervening elements present. As used herein, "connected" may refer to physical and/or electrical connection. Furthermore, "electrically connected" or "coupled" means that other elements exist between two elements.

It should be understood that although the terms "first", "second", "third", etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a "first element," "component," "region," "layer" or "section" discussed below could be termed a second element, component, region, layer or section without departing from the teachings herein.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include plural forms including "at least one" unless the content clearly dictates otherwise. "Or" means "and/or". As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. It should also be understood that when used in this specification, the terms "comprising" and/or "comprising" designate the presence or addition of one or more other features, regions, integers, steps, operations, elements, components and/or combinations thereof.

Additionally, relative terms such as "lower" or "bottom" and "upper" or "top" may be used herein to describe one element's relationship to another element as shown in the figures. It will be understood that relative terms are intended to encompass different orientations of the device in addition to the orientation depicted in the figures. For example, if the device in one of the figures is turned over, elements described as being on the "lower" side of other elements would then be oriented on "upper" sides of the other elements. Thus, the exemplary term "below" can encompass both an orientation of "below" and "upper," depending on the particular orientation of the drawing. Similarly, if the device in one of the figures is turned over, elements described as "below" or "beneath" other elements would then be oriented "above" the other elements. Thus, the exemplary terms "below" or "under" can encompass both an orientation of above and below.

As used herein, "about," "approximately," or "substantially" includes stated values and averages within acceptable deviations from the particular value as determined by one of ordinary skill in the art, taking into account the measurement in question and the particular amount of error associated with the measurement (i.e., limitations of the measurement system). For example, "about" can mean within one or more standard deviations, or within ±30%, ±20%, ±10%, ±5% of the stated value. Furthermore, the terms "about", "approximately", "similar" or "substantially" used herein can select a more acceptable deviation range or standard deviation according to optical properties, etching properties or other properties, and one standard deviation does not apply to all properties.

Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms such as those defined in commonly used dictionaries should be interpreted to have a meaning consistent with their meaning in the context of the relevant art and the present invention, and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Exemplary embodiments are described herein with reference to top schematic illustrations that are idealized embodiments. Accordingly, variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances are to be expected. Thus, embodiments described herein should not be construed as limited to the particular shapes of regions as illustrated herein but are to include deviations in shapes that result, for example, from manufacturing. For example, a region shown or described as flat, may, typically, have rough and/or non-linear features. Additionally, acute corners shown may be rounded. Thus, the regions shown in the figures are schematic in nature and their shapes are not intended to illustrate the precise shape of a region and are not intended to limit the scope of the claims.

Several implementations are listed below to describe the touch device of the present invention in more detail. However, they are only for illustration purposes and are not intended to limit the present invention.

FIG. 1A shows a schematic diagram of an arrangement of a solar module according to some embodiments of the present disclosure. The solar module 100 includes a backplane 110 , a first encapsulation layer 120 , a solar cell 130 , a second encapsulation layer 140 and a cover 150 . The first encapsulation layer 120 is disposed on the backplane 110 . The solar cell 130 is disposed on the first encapsulation layer 120 . The second encapsulation layer 140 is disposed on the solar cell 130 . The cover plate 150 is disposed on the second encapsulation layer 140 , wherein the cover plate 150 includes a transparent substrate 152 and a decoration layer 154 . The transparent substrate 152 includes an upper surface 152A and a lower surface 152B opposite to the upper surface 152A. The decoration layer 154 includes a plurality of decorative ribbons 154a, wherein the decorative ribbons 154a can be disposed on a part of the upper surface 152A (not shown) or a part of the lower surface 152B (for example, FIG. 1A ), contact the second packaging layer 140, and define a plurality of hollow patterns 162 and light-transmitting regions 164 together with the transparent substrate 152. The hollow patterns 162 are uniformly arranged at a distance c from each other, and any one of the hollow patterns 162 includes a color area 162A connected by a decorative ribbon 154 a and a light-transmitting blank area 162B. The transparent area 164 is located between the hollow patterns 162 . It should be noted that the dimensional relationship between the hollow pattern 162 and other elements in the present disclosure can be adjusted according to actual needs, and is not limited by the drawings.

In some embodiments, the backplane 110 is a black or dark layered structure. In some embodiments, the backsheet 110 is a three-layer structure of polyester/polyethylene terephthalate (PET)/polyvinyl fluoride (PVF) or a glass structure.

In some embodiments, the encapsulation layer material (the first encapsulation layer 120 and the second encapsulation layer 140) includes ethylene vinyl acetate copolymer latex (Ethylene Vinyl Acetate; EVA), polyolefin elastomer (polyolefin elastomer; POE), silicone (silicone) or a combination thereof. In some embodiments, the materials of the first encapsulation layer 120 and the second encapsulation layer 140 may be the same or different.

When the encapsulation layer material is EVA, EVA will react with water vapor to release acetic acid, and the acetic acid will react with the material in the color area 162A in the decoration layer 154 to decompose the material in the color area 162A, causing visual defects.

In some embodiments, the solar cells 130 can be interconnected by using Multi Bus Bar (Multi Bus Bar; MBB), shingled, or the above two methods to reduce the visibility of the cells, improve the visual aesthetics of the solar module 100, and increase the power generation.

In some embodiments, the material of the transparent substrate 152 in the cover plate 150 is glass or a flexible polymer plate. In some embodiments, the decorative layer 154 is made of glaze, for example, the glaze is coated on the lower surface of the glass to form the decorative ribbon 154a. By adjusting the position of the decoration layer 154 on the lower surface 152B of the transparent substrate 152 and the color change of the decorative ribbon 154a, the visual changes are enhanced and the visual aesthetics are improved.

In some embodiments, the upper surface 152A of the transparent substrate 152 is sandblasted to reduce glare caused by total reflection when the external light irradiates the transparent substrate 152 .

In some embodiments, the ratio of the area of the decoration layer 154 to the area of the transparent substrate 152 is 5% to 50%, so as to avoid reducing power generation due to an excessive coverage area of the decoration layer 154 .

In some embodiments of the present disclosure, the area of the decorative layer 154 can be reduced through the setting of the hollow pattern 162 (for example, the hollow regular hexagon surrounded by the decorative ribbon 154a in Figure 1A), and the range of the distance ratio between the width of the decorative ribbon 154a and the hollow pattern, the adjustment of the shape of the hollow pattern 162, or the area ratio range of the color area 162A and the blank area 162B in the hollow pattern 162, thereby reducing the material cost of the decorative layer 154. And maintain visual aesthetics. See, for example, Figures 1B and 1D.

Fig. 1B to Fig. 1D respectively depict the pattern of the decorative layer and the image when the decorative layer is applied in some embodiments of the conventional and the present disclosure, wherein Fig. 1B and Fig. 1D are respectively the pattern of the conventional decorative layer and the pattern of the decorative layer in some embodiments of the present disclosure, and Fig. 1C and Fig. 1E are images corresponding to the application of the decorative layer in Fig. 1B and Fig. 1D respectively.

Figure 1B shows the pattern of the decorative layer formed by solid squares arranged at intervals, and the coverage rate (coating rate of glaze) of the pattern on the transparent substrate is 50%; Figure 1D shows that the hollow patterns 162 are evenly spaced and arranged in a regular hexagon, and the coverage rate (coating rate of glaze) of the color area 162A on the transparent substrate 152 is 43.8%. Although the coating rate of the glaze in Figure 1D is lower than that in Figure 1B, due to the visual effect of the human eye (if the uncolored area (such as the blank area 162B and the light-transmitting area 164) is too small to be distinguished by the human eye, it will be visually compensated by the color of the color area 162A around the uncolored area), so that the decorative layer in Figure 1C (corresponding to Figure 1B, solid pattern) and Figure 1E (corresponding to Figure 1D, regular hexagonal hollow pattern) The image when applied presents a similar visual effect. For comparison, the images in the lower right corners of Figure 1B and Figure 1D are enlarged images of the framed area in the upper left corner.

Therefore, through the dense and regular stacking of the color areas 162A in the hollow pattern 162 under microscopic conditions, the visual aesthetics similar to that of the image formed by stacking the solid patterns of the conventional decorative layer can be achieved, and the amount of glaze required for the color areas 162A is reduced, and the cost is reduced.

In some embodiments, the hollow pattern 162 may be a circular hollow pattern, an elliptical hollow pattern, or a polygonal hollow pattern and the like. In some embodiments, the hollow pattern 162 is a regular hexagonal hollow pattern. It is worth noting that the hollow pattern 162 is a regular hexagonal hollow pattern. Compared with the hollow patterns 162 of other shapes, it can achieve the densest packing in the decoration layer 154 (please also refer to FIG. 1A ), and provide a better visual three-dimensional effect. In other words, when the hollow pattern 162 is a regular hexagonal hollow pattern, the material consumption of the color zone 162A is the most economical, and the visual appearance is the best.

In some embodiments of the present disclosure, the width b of the decorative ribbon 154a can be adjusted in a moderate range, and still maintain a similar visual effect. Specifically, please refer to FIG. 2A to FIG. 2E .

Figures 2A to 2E show the patterns of the decorative layer in some embodiments of the present disclosure and the corresponding images when the decorative layer is applied, wherein Figure 2A, Figure 2C and Figure 2E are patterns of the decorative layer in different embodiments of the disclosure, Figure 2B, Figure 2D and Figure 2F are images corresponding to the application of the decorative layer in Figure 2A, Figure 2C and Figure 2E respectively. For comparison, the image in the lower right corner of each figure is the upper left Magnified image of corner marquee area.

Among the 2A figure, the 2C figure and the 2E figure, the length a of the blank area 162B (extending from the first point P1 of one edge to the second point P2 of the other edge and passing through the center point R0 of the blank area 162B, wherein the center point R0 means the geometric center (or centroid) of the blank area 162B), is greater than the width b of any one of the decorative ribbons 154a and the distance c between the hollow patterns 162, and the width b of any one of the decorative ribbons 154a is the same as the space. The ratio of the distance c that the heart patterns 162 are spaced apart from each other is 1:10 to 10:1.

In some embodiments, the ratio of the length a to the width b is 1.1:1 to 10:1, such as 1.1:1, 1.5:1, 2:1, 3:1, 4:1, 5:1, 6:1, 7:1, 8:1, 9:1, 10:1 or a ratio in any of the aforementioned intervals. In some embodiments, the ratio of the length a to the distance c is 1.1:1 to 10:1, such as 1.1:1, 1.5:1, 2:1, 3:1, 4:1, 5:1, 6:1, 7:1, 8:1, 9:1, 10:1 or any ratio in the aforementioned range.

In some embodiments, the ratio of the width b to the distance c is 1:10, 2:10, 3:10, 4:10, 5:10, 6:10, 7:10, 8:10, 9:10, 10:10, 10:9:10:8, 10:7, 10:6, 10:5, 10:4, 10:3, 10:2, 10:1 or a ratio in any of the aforementioned intervals.

The difference between FIG. 2A, FIG. 2C and FIG. 2E is that the width b gradually decreases along with FIG. 2A, FIG. 2C to FIG. 2E (that is, the ratio between the width b and the distance c gradually decreases). Specifically, in Figure 2A, the width b is greater than the distance c (for example, width b:distance c=10:9:10:8, 10:7, 10:6, 10:5, 10:4, 10:3, 10:2, 10:1 or the ratio in any of the aforementioned intervals). In Figure 2B, the width b is equal to the distance c (ie width b:distance c=1:1). In Figure 2C, the width b is smaller than the distance c (for example, width b:distance c=1:10, 2:10, 3:10, 4:10, 5:10, 6:10, 7:10, 8:10, 9:10 or the ratio in any of the aforementioned intervals).

Please continue to see Figure 2B, Figure 2D and Figure 2F. It can be understood that as long as the ratio of width b to distance c is controlled between 1:10 and 10:1 in Fig. 2A, Fig. 2C and Fig. 2E, when the ratio between width b and distance c is gradually reduced (for example, width b is gradually reduced, or the distance c between the hollow patterns 162 is gradually increased), although the brightness of some areas in the enlarged image in the lower right corner is slightly attenuated, the overall visual appearance is almost the same, so that the decorative layer in Fig. 2B, Fig. 2D and Fig. 2F The image when applied presents a similar visual effect.

Therefore, by appropriately reducing the ratio of the width b of the decorative ribbon 154a to the distance c, the amount of materials used and the manufacturing cost can be reduced while maintaining the visual aesthetics.

In some embodiments of the present disclosure, the hollow pattern 162 is a regular hexagonal hollow pattern to achieve the closest packing of the decoration layer 154, save the amount of material used in the color area 162A, and improve the visual three-dimensionality, and can be matched with different shapes of the blank area 162B. Specifically, please refer to FIG. 3A to FIG. 3C.

FIG. 3A to FIG. 3C respectively depict hollow patterns with blank areas of different shapes in some embodiments of the present disclosure. The blank area 162B shown in FIG. 3A is circular, the blank area 162B shown in FIG. 3B is elliptical, or the blank area 162B shown in FIG. 3C is a regular hexagon. In some other implementations, the blank area 162B may be a polygon of other shapes (such as a regular polygon, for example, a regular triangle, a regular quadrilateral, a regular octagon, a regular dodecagon, etc.).

It can be understood that when the hollow pattern 162 is a regular hexagonal hollow pattern, and the blank area 162B is also a regular hexagon, the highest matching degree of the shape of the color area 162A and the blank area 162B can be used to minimize the area of the color area 162A, thereby minimizing the material consumption of the color area 162A and reducing the cost.

Please refer to FIG. 2A to FIG. 3C comprehensively. In some embodiments of the disclosure, the area of the color area 162A and the blank area 162B can be adjusted by adjusting the width b of the decorative ribbon 154a, the length a of the blank area 162B, the distance c between the hollow patterns 162, the shape of the blank area 162B, or a combination of the foregoing, so that the ratio of the area of the color area 162A to the area of the blank area 162B is 1:50 to 4:1, such as 1:5. 0, 5:50, 10:50, 15:50, 20:50, 25:50, 30:50, 35:50, 40:50, 45:50, 1:1, 1.5:1, 2:1, 2.5:1, 3:1, 3.5:1, 4:1 or any ratio in the above range, while maintaining a similar visual effect. It can be understood that the smaller the area of the color zone 162A, the lower the required amount of materials, which can save costs while maintaining the visual aesthetics.

In some embodiments, the hollow pattern 162 includes a plurality of color areas 162A, for example, see FIG. 4 .

Figure 4 depicts hollow patterns in some embodiments of the present disclosure. The hollow pattern 162 includes a plurality of identical color regions 162A, that is, the individual color regions 162A are identical in color, area and shape.

In some other implementations, the area of the color zone 162A of different colors can be adjusted by changing the shape or size of the color zone 162A, so as to achieve consistent power generation.

It can be understood that as the wavelength of reflected light increases (ie, the color of the color zone changes from purple to red), the loss of photocurrent power increases.

Therefore, according to the color of the color region 162A (ie, the reflected light wavelength), the total area of the color region 162A of a specific color can be adjusted to achieve the same or similar photocurrent power in the color region 162A of different colors.

See Figure 5 for an example. Figure 5 depicts a hollow pattern comprising color zones with different colors in some embodiments of the present disclosure. In Fig. 5, the hollow pattern 162 includes a plurality of color regions 162A, and these color regions 162A include a first group color region G1 and a second group color region G2, wherein the colors of the first group color region G1 and the second group color region G2 are different, the wavelength of the first color light reflected by the first group color region G1 is greater than the second color light wavelength reflected by the second group color region G2, and the area of the first group color region G1 is smaller than the area of the second group color region G2. In some embodiments, the area of the partial color zone G1A in the first group of color zones G1 is smaller than the area of the partial color zone G2A in the second group of color zones G2. In some other embodiments, the area of any color zone G1A in the first group of color zones G1 is smaller than the area of any color zone G2A in the second group of color zones G2.

More specifically, in order to achieve the same photocurrent power for the color regions 162A of different colors, the area relationship between the color regions 162A of different colors can be converted by using the photocurrent power corresponding to the different colors in the following manner.

Firstly, when the first group color zone G1 is the first color, the photocurrent power is X1 and the area is A1; when the second group color zone G2 is the second color, the photocurrent power is X2 and the area is A2, wherein the wavelength of the first color light reflected by the first group color zone G1 is greater than the wavelength of the second color light reflected by the second group color zone G2. Next, the photocurrent power realized by the total area of the color zones 162A of different groups (the first group color zone G1 and the second group color zone G2) is preset to be the same, and the following equation is listed: A1xX1=A2xX2+(A1-A2)x100%, whereby A2= The area conversion formula for .

In one embodiment, the first group of color regions G1 is purple, and the photocurrent power per unit area is 38%, and the second group of color regions G2 is red, and the photocurrent power per unit area is 33%. When the total area of the first group of color zones G1 is preset to be 25 square millimeters, according to the aforementioned area conversion formula, the total area of the second group of color zones G2 needs to be 23 square millimeters, so that the same photocurrent power can be achieved in different color zones.

Please refer to FIG. 6 . FIG. 6 shows a schematic diagram of a solar module device according to some embodiments of the present disclosure. The solar module 200 is basically similar to the solar module 100 in FIG. 1A, the difference is that the solar module 200 further includes a junction box 260 disposed on the lower surface 210B of the back plate 210, and the glaze is coated on the upper surface 252A of the transparent substrate 252 to form a decorative ribbon 254a. It is worth noting that when the decorative ribbon 254a is arranged on the upper surface 252A of the transparent substrate 252, it can reduce the glare phenomenon caused by the total reflection when the external light irradiates the transparent substrate 152, and also has a significant mitigation effect on the western sun and direct sunlight. Those skilled in the art can selectively add, modify, replace, or delete elements of the solar module 200 according to actual needs.

To sum up, in some embodiments of the present disclosure, by setting the hollow pattern, adjusting the width of the decorative ribbon and the distance ratio between the hollow pattern, adjusting the shape of the hollow pattern to be a regular hexagon, or adjusting the area ratio of the color area and the blank area in the hollow pattern, thereby maintaining similar visual aesthetics and saving costs with less material consumption. In addition, when the shape of the hollow pattern is a regular hexagon, compared with other shapes, it can provide better visual three-dimensionality of the solar module.

Although the content of this disclosure has been disclosed above with multiple implementations and examples, it is not intended to limit the content of this disclosure. Anyone skilled in this art can make various changes and modifications without departing from the spirit and scope of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the appended patent application.

100: solar module 110: Backplane 120: The first encapsulation layer 130: solar cell 140: Second encapsulation layer 150: cover plate 152: Transparent substrate 152A: upper surface 152B: lower surface 154: decorative layer 154a: decorative ribbon 162: hollow pattern 162A: color area 162B: blank area 164: Translucent area 200: solar module 210: Backplane 210B: lower surface 220: the first encapsulation layer 230: solar cell 240: Second encapsulation layer 252: Transparent substrate 252A: upper surface 254a: decorative ribbon 260: junction box P1: the first point P2: The second point R0: center point G1: The first group of color zones G2: The second group of color zones G1A: color area G2A: Color Zone a: length b: width c: distance

A more complete understanding of the present disclosure can be obtained by reading the following detailed description of the embodiments with reference to the accompanying drawings. FIG. 1A shows a schematic diagram of an arrangement of a solar module according to some embodiments of the present disclosure. Fig. 1B to Fig. 1E respectively depict the pattern of the decorative layer and the image of the decorative layer in some embodiments of the conventional and the present disclosure, wherein Fig. 1B and Fig. 1D are respectively the pattern of the conventional decorative layer and the pattern of the decorative layer in some embodiments of the present disclosure, and Fig. 1C and Fig. 1E are images corresponding to the application of the decorative layer in Fig. 1B and Fig. 1D respectively. Figures 2A to 2E show the patterns of the decorative layer in some embodiments of the present disclosure and the images of the corresponding decorative layers when they are applied, wherein Figure 2A, Figure 2C and Figure 2E are patterns of the decorative layer in different embodiments of the disclosure, and Figures 2B, 2D and 2F are images corresponding to the application of the decorative layer in Figure 2A, Figure 2C and Figure 2E respectively. 3A to 3C respectively illustrate hollow patterns with blank areas of different shapes in some embodiments of the present disclosure. Figure 4 depicts hollow patterns in some embodiments of the present disclosure. Figure 5 depicts a hollow pattern comprising color zones with different colors in some embodiments of the present disclosure. Fig. 6 shows a schematic diagram of the installation of a solar module according to some embodiments of the present disclosure.

100: solar module

110: Backplane

120: The first encapsulation layer

130: solar cell

140: Second encapsulation layer

150: cover plate

152: Transparent substrate

152A: upper surface

152B: lower surface

154: decorative layer

154a: decorative ribbon

162: hollow pattern

162A: color area

162B: blank area

164: Translucent area

c: distance

Claims (12)

A solar module, comprising: a back plate; a first encapsulation layer disposed on the back plate; a solar cell disposed on the first encapsulation layer; a second encapsulation layer disposed on the solar cell; and a cover plate disposed on the second encapsulation layer, the cover plate comprising: a transparent substrate comprising an upper surface and a lower surface opposite to the upper surface; A plurality of hollow patterns are arranged at a distance from each other, wherein any of the hollow patterns includes at least one color area connected by the decorative ribbons and a light-transmitting blank area; and a light-transmitting area is located between the hollow patterns, wherein a length extending from a first point on the edge of the blank area to a second point on the edge of the blank area and passing through the center of the blank area is greater than a width of any one of the decorative ribbons and the distance between the hollow patterns, and the width of any one of the decorative ribbons The ratio of the distance between the hollow patterns is 1:10 to 10:1. The solar module as claimed in claim 1, wherein the width of any one of the decorative ribbons is greater than the distance between the hollow patterns. The solar module as claimed in claim 1, wherein the width of any one of the decorative ribbons is equal to the distance between the hollow patterns. The solar module as claimed in claim 1, wherein the width of any one of the decorative ribbons is smaller than the distance between the hollow patterns. The solar module according to claim 1, wherein the hollow patterns are regular hexagons. The solar module according to claim 1, wherein the blank area is a circle, an ellipse, or a polygon. The solar module according to claim 6, wherein the polygon is a regular hexagon. The solar module as claimed in claim 1, wherein the ratio of the area of the color area to the area of the blank area is 1:50 to 4:1. The solar module according to claim 1, wherein the hollow patterns include a plurality of color regions, and the areas of the color regions are the same. The solar module as described in claim 1, wherein the hollow patterns include multiple color zones, and the color zones include a first group of color zones and a second group of color zones, wherein the area of any color zone in the first group of color zones is different from the area of any color zone in the second group of color zones. The solar module as claimed in claim 10, wherein the color of the first group of color zones is different from the color of the second group of color zones. The solar module as described in claim 11, wherein if the wavelength of a first color light reflected by the first group of color regions is greater than the wavelength of a second color light reflected by the second group of color regions, the area of the first group of color regions is smaller than the area of the second group of color regions.

Images