TWI513023B - Thin film solar cell grating - Google Patents

Description

Thin film solar cell grating

The present invention relates to a thin film solar cell grating, and more particularly to a thin film solar cell grating using a laser beam to generate a fixed grating pattern, which is transparent to an object whose direction of motion is perpendicular to the grating and whose velocity value is greater than a fixed value. The thin film solar cell grating views the moving object.

At present, international energy prices are gradually rising, and all countries are committed to the research and application of solar cells to obtain cheap and environmentally friendly energy. Thin-film solar cells can be fabricated using a variety of inexpensive materials such as glass, plastic, ceramics, and graphite. The thickness of the film that can be produced is only a few millimeters. Therefore, compared with the silicon wafer solar cell, the thin film solar cell can save a large amount of raw materials under the same light receiving area, and has excellent energy conversion efficiency. In addition to the plane, the thin film solar cell can also have flexibility. Made into a non-planar structure that can be combined with a building or become part of a building.

However, in general, a thin film solar cell itself is an opaque plane, and when installed in a window of a building, it completely obstructs the user's line of sight, and the user is completely unable to observe any object located on the other side of the thin film solar cell, and thus is limited. The use of thin film solar cells in buildings Wai. The loss of field of view of a moving vehicle window is an unacceptable limitation, so conventional or thin film solar cells are not suitable for installation in windows of movable vehicles.

In view of the above-described problems of the prior art, it is an object of the present invention to provide a thin film solar cell grating that provides the user with the ability to see through the thin film solar cell grating to observe objects that are vertically moving in opposite directions.

According to an object of the present invention, a thin film solar cell grating is provided, comprising two transparent back sheets and a thin film solar cell module. The thin film solar cell module can generate electric power according to the photoelectric effect, and the surface of the thin film solar cell module can be cut by laser light to form a plurality of transparent gratings having equal widths, and the thin film solar cell module is disposed on the two transparent backs. Between the boards.

Preferably, one of the transparent gratings may have a width greater than 0.5 mm, and the total width of the plurality of transparent gratings may be greater than 5% of the width of the thin film solar cell module.

Preferably, the thin film solar cell grating of the present invention further comprises a metal outer frame, which can be installed on the outer edge of the thin film solar cell module and the two transparent back plates to form a sandwich.

Preferably, when the thin film solar grating is mounted on an object, the plurality of transparent gratings are perpendicular to the moving direction of the object or the moving direction of the object.

Preferably, the thin film solar cell grating system has a visual perspective effect when the relative velocity value between the object provided with the thin film solar cell grating and the external object is greater than 0.5 km/hr.

According to the purpose of the present invention, a thin film solar cell grating is further provided, which comprises a transparent back plate and a thin film solar cell module, which generates electricity according to a photoelectric effect, and the film is too The surface of the solar cell module is cut by laser light to form a plurality of transparent gratings having equal widths, and the thin film solar cell module and the transparent backing plate are bonded to each other.

Preferably, the thin film solar cell grating of the present invention further comprises a metal outer frame which is mounted on the outer edge of the thin film solar cell and the transparent back plate.

According to the purpose of the present invention, a thin film solar cell grating is further provided, which comprises a two-film solar cell module, which generates electric power according to a photoelectric effect, and the surface of each thin film solar cell module is cut by laser light to form a uniform width. The plurality of transparent gratings, the two thin film solar cell modules are bonded to each other and the transparent gratings therebetween are aligned with each other.

Preferably, the thin film solar cell grating of the present invention further comprises a metal outer frame mounted on the outer edge of the bonded thin film solar cell.

As described above, the thin film solar cell grating according to the present invention may have one or more of the following advantages:

(1) The thin-film solar grating obtains a grating pattern formed by a plurality of transparent gratings by laser cutting, and the transparent grating can be installed in a static building perpendicular to the horizontal plane, and the user can observe the external relative static The building moves the object at a speed of 0.5 km/hr or more.

(2) The thin film solar grating can be arranged on the movable vehicle in such a manner that the transparent grating is perpendicular to the horizontal plane, so that when the moving speed of the vehicle exceeds 0.5 km/hr, the user can provide observation of all external static environments and relative Any horizontal moving object with a speed greater than 0.5km/hr.

1‧‧‧ Thin film solar cell grating

11‧‧‧Thin solar cell module

111‧‧‧Transparent grating

12‧‧‧front transparent backplane

13‧‧‧After transparent backplane

14‧‧‧Metal frame

Figure 1 is a first schematic view of a first embodiment of a thin film solar cell grating of the present invention.

Figure 2 is a second schematic view of a first embodiment of a thin film solar cell grating of the present invention.

Figure 3 is a third schematic view of a first embodiment of a thin film solar cell grating of the present invention.

Figure 4 is a schematic view showing a second embodiment of the thin film solar grating of the present invention.

Fig. 5 is a schematic view showing a third embodiment of the thin film solar grating of the present invention.

Figure 6 is a conceptual view of the application of the thin film solar cell grating of the present invention.

The technical features, contents, and advantages of the present invention, as well as the advantages thereof, can be understood by the present inventors, and the present invention will be described in detail with reference to the accompanying drawings. The subject matter is only for the purpose of illustration and description. It is not intended to be a true proportion and precise configuration after the implementation of the present invention. Therefore, the scope and configuration relationship of the attached drawings should not be interpreted or limited. First described.

Please refer to FIG. 1 , which is a first schematic view of a first embodiment of a thin film solar shutter of a see-through dynamic image of the present invention. In the first embodiment, the thin film solar cell shutter 1 comprises a thin film solar cell module 11, two transparent back plates 12, 13 and a metal outer frame 14. The thin film solar cell shutter 1 can be of any type and type, and the shape can be a two-dimensional planar structure. Preferably, the thin film solar cell module 11 can use laser light to remove equal width strips, and form a plurality of transparent gratings 111 with equal width and width to form a grating pattern.

In the above, the thin film solar cell module 11 is a thin film solar cell which is generally used as a power generation. The invention mainly uses laser light to remove part of the area of the thin film solar module 11 To form a opaque fixed grating pattern, the grating pattern is formed by a plurality of cut transparent gratings 111 as described above. Further, the laser-treated thin film solar module 11 is sandwiched between the transparent back sheets 12 and 13 as shown in Fig. 1 to form a sandwich structure. Further, the metal frame can be installed on the outer edge of the transparent back plate sandwich to achieve the purpose of fixing the module and reinforcing the structure.

Please refer to FIG. 2, which is a second schematic view of the first embodiment of the thin film solar cell shutter of the present invention. In FIG. 2, the width of each transparent grating 111 of the thin film solar module 11 is greater than 0.5 mm, and the total width of the plurality of transparent gratings 111 is greater than about 5% of the width of the thin film solar cell module 11 to achieve sufficient storage. The purpose of incident light.

Please refer to FIG. 3 , which is a third schematic view of the first embodiment of the thin film solar cell shutter of the present invention, which is used for displaying the transparent back plate 12 , the thin film solar cell module 11 , the transparent back plate 13 and the metal outside. The frame 14 is side-to-side with respect to the mounting position.

Please refer to FIG. 4 , which is a schematic view showing a second embodiment of the thin film solar cell shutter of the present invention for displaying the relative mounting positions of the thin film solar cell module 11 , the transparent back plate 13 and the metal outer frame 14 . . The thin film solar cell module 11 is attached to the single transparent back plate 13 . The thin film solar cell shutter may also not be provided with the metal frame 14.

Please refer to FIG. 5, which is a schematic view showing a third embodiment of the thin film solar cell shutter of the present invention. This uses only the two thin film solar cell modules 11 and the metal outer frame 14 with respect to the first and second embodiments, without using a transparent back plate. The two thin film solar cell modules 11 are attached to each other and the transparent gratings of the two are aligned to allow light to pass smoothly, and double-sided lighting can be performed. The metal frame 14 is not required to be used in this embodiment. The above is only an example and is not limited thereto.

In general, the human eye will temporarily hold the image seen on the retina for 1/24 of a second. The illusion of "still exists" for the image that just disappeared. Using this principle, the film can catch Capture the ever-changing light and shadow, take these images on the film, and then quickly project them onto the screen to play 24 frames per second, so that the viewer's visual effect will immediately connect the next image before the previous image has disappeared. , thus producing the effect of continuous activity, which is the so-called "visual persistence" principle.

In view of the principle of the persistence of vision, when the thin film solar grating 1 of the present invention is laser-cut to form a plurality of transparent gratings 111, the plurality of gratings 111 are related to the moving direction of the object. Observe that the direction of motion of the external object can be vertical. At this time, if the relative velocity value between the object containing the thin film solar cell grating 1 and the external object or environment is greater than 0.5 km/hr, the thin film solar cell grating 1 will have an approximately transparent effect, allowing the user to An external object or environment is observed through the transparent gratings 111 as shown in FIG.

In summary, the thin-film solar cell shutter of the dynamic image of the present invention mainly uses a full-area thin film solar cell module to strip a part of the area by laser light to form a transparent shutter of a specific pattern, and then the front and back back sheets and The metal frame is combined into a thin film solar cell shutter. When mounted on the object, in addition to generating electricity, the user can see through the object located on the back of the shutter with a relative speed of more than 0.5km/hr and a direction perpendicular to the shutter pattern. This can increase the range of applications of thin film solar cells.

Looking at the above, it can be seen that the present invention has achieved the desired effect under the prior art, and is not familiar to those skilled in the art. Moreover, the present invention has not been disclosed before the application, and it has Progressive and practical, it has already met the requirements for patent application, and has filed a patent application according to law. You are requested to approve the application for this invention patent to encourage creation.

The embodiments described above are merely illustrative of the technical spirit and the features of the present invention, and the objects of the present invention can be understood by those skilled in the art, and the scope of the present invention cannot be limited thereto. That is, the equivalent variations or modifications made by the spirit of the present invention should still be included in the scope of the present invention.

1‧‧‧ Thin film solar cell grating

11‧‧‧Thin solar cell module

12‧‧‧front transparent backplane

13‧‧‧After transparent backplane

14‧‧‧Metal frame

Claims (9)

A thin film solar cell grating comprising: a transparent backing plate; and a thin film solar cell module for generating electric power according to a photoelectric effect, and the surface of the thin film solar cell module is cut by laser light to form an equidistant pitch a plurality of transparent gratings, wherein the plurality of transparent gratings are hollowed out to communicate with the two sides of the thin film solar cell module, and the thin film solar cell module is disposed between the two transparent back sheets, and a width of the transparent grating is greater than 0.5 mm, and the total width of the plurality of transparent gratings is greater than 5% of the width of the thin film solar cell module; wherein, when the thin film solar cell grating is mounted on an object, the plurality of transparent gratings are The direction of motion of the object, or perpendicular to the direction of motion of the object, relative to the movement of the object. The thin film solar cell grating of claim 1, further comprising a metal outer frame mounted on the outer edge of the thin film solar cell module and the two transparent back plates to form a sandwich. The thin film solar cell grating according to claim 1, wherein the thin film solar cell grating is used when a relative velocity value between the object and the external object of the thin film solar cell grating is greater than 0.5 km/hr. It has the function of visual perspective. A thin film solar cell grating comprising: a transparent back sheet; A thin film solar cell module is configured to generate electric power according to a photoelectric effect, and a surface of the thin film solar cell module is cut by laser light to form a plurality of transparent gratings having equal widths, and the plurality of transparent gratings are hollowed out On both sides of the thin film solar cell module, the thin film solar cell module and the transparent back plate are adhered to each other, and one width of the transparent grating is greater than 0.5 mm, and the total width of the plurality of transparent gratings is combined with the thin film solar energy The width ratio of the battery module is greater than 5%; wherein, when the thin film solar cell grating is mounted on an object, the plurality of transparent gratings and the movement direction of the object or the movement of the object relative to the movement of the object The direction is vertical. The thin film solar cell grating of claim 4, further comprising a metal outer frame mounted on the outer edge of the thin film solar cell and the transparent back plate. The thin film solar cell grating according to claim 4, wherein the thin film solar cell grating is used when a relative velocity value between the object and the external object of the thin film solar cell grating is greater than 0.5 km/hr. It has the function of visual perspective. A thin film solar cell grating comprising: a thin film solar cell module according to a photoelectric effect to generate electric power, and a surface of each of the thin film solar cell modules is cut by laser light to form a plurality of transparent gratings having a uniform width. And the plurality of transparent gratings are hollowed out to communicate with the two sides of the thin film solar cell module, and the two thin film solar cell modules are mutually adhered to each other, and the transparent gratings are aligned with each other. One of the width of the grating is greater than 0.5 mm, and the total width of the plurality of transparent gratings is greater than 5% of the width of the thin film solar cell module; wherein, when the thin film solar cell grating is mounted on an object, the The plurality of transparent gratings are perpendicular to the direction of movement of the object and the direction of movement of the object relative to the movement of the object. The thin film solar cell grating of claim 7, comprising a metal outer frame mounted on the outer edge of the bonded thin film solar cell. The thin film solar cell grating according to claim 7, wherein the thin film solar cell grating is used when a relative velocity value between the object and the external object of the thin film solar cell grating is greater than 0.5 km/hr. It has the function of visual perspective.