TWI765653B - Solar cell module and solar cell display - Google Patents

Abstract

Disclosed is a solar cell module, including a substrate, a plurality of first solar cell units and a plurality of second solar cell units that are alternately disposed on the substrate and form a frame region, an insulating layer, a first conductive layer, and a second conductive layer, wherein the plurality of first solar cell units are connected in parallel; the plurality of second solar cell units are connected in parallel and are connected in series with the plurality of first solar cell units connected in parallel; the insulating layer is disposed on the plurality of first solar cell units and the plurality of second solar cell units, and includes a plurality of windows; the first conductive layer and the second conductive layer are respectively disposed on the insulating layer, and electrically connected to positive electrode layers of the plurality of first solar cell units and negative electrode layers of the plurality of second solar cell units through the plurality of windows. Therefore, the unworkable situation due to the partial frame region being shielded can be avoided.

Description

Solar cell module and solar cell display device

The present application relates to a solar cell and a display device; in particular, to a solar cell module and a solar cell display device.

In recent years, with the rise of environmental awareness, various renewable energy sources have become the direction of research and development, and solar cells that convert solar energy into electrical energy through the photovoltaic effect are regarded as one of the important development technologies.

In order to prolong the use time of the electronic device, a solar cell can be combined with the electronic device, and a part of the electric power can be provided by the solar cell as the supplementary power of the electronic device. Please refer to FIG. 1 , which is a schematic diagram of an embodiment of a conventional solar cell module applied to an electronic device. As shown in FIG. 1 , when the solar cell module 100 is combined with an electronic device, the solar cell module 100 is limited by the requirement of not interfering with the normal operation of the electronic device and the consideration of photoelectric conversion efficiency, so the solar cell module 100 can be designed It is a single solar cell unit 110 including a surrounding light-transmitting opening area 80, but there is a problem that the voltage provided by the single solar cell unit 110 is insufficient. Therefore, a related industry proposes an embodiment in which the single solar cell 110 is changed to two solar cell units 120a and 120b connected in series, as shown in FIG. 2 , which is another example of a conventional solar cell module applied to an electronic device. Schematic diagram of the embodiment. However, after changing the single solar cell 110 to two solar cells 120a and 120b connected in series, although the output voltage of the solar cell module 200 can be increased, the light-receiving area of the solar cell 120a and the solar cell 120b is smaller than that of the solar cell The light-receiving area of the battery unit 110, when the operator using the electronic device causes the solar battery unit 120a or the solar battery unit 120b to be shaded by the shadow of the operator's sleeve or other objects (ie the solar battery unit 120a or the solar battery unit 120b) 120b is disabled due to shading), there is a problem that the solar cell module 200 cannot operate normally.

To sum up, how to provide a solar cell module that is suitable for combination with electronic devices and does not fail to operate normally because part of the light-receiving area is shaded by shadows is an important issue.

Embodiments of the present application provide a solar cell module and a solar cell display device, which solve the problem that a conventional solar cell module currently used in electronic devices cannot operate normally due to partial light-receiving areas being shaded by shadows.

In order to solve the above technical problems, this application is implemented as follows:

In a first aspect, an embodiment of the present application provides a solar cell module, which includes: a substrate, a plurality of first solar cell units, a plurality of second solar cell units, an insulating layer, a first conductive layer and a second conductive layer; the The first solar battery units are connected in parallel with each other; the second solar battery units are connected in parallel with each other and are connected in series with the first solar battery units; the insulating layer is disposed on the first solar battery units and the second solar battery units , and comprising a plurality of windows, the windows expose the first positive electrode layer of the portion of each of the first solar cell units and the second negative electrode layer of the portion of each of the second solar cell units; The first conductive layer is arranged on the insulating layer, and is electrically connected to the first positive electrode layer of each of the first solar cell units through some of the windows; the second conductive layer is arranged on the insulating layer, and is electrically connected through the other part of the windows The windows are electrically connected to the second negative electrode layer of each of the second solar cells; the first solar cells and the second solar cells are alternately arranged on the substrate and form a frame area, the frame area Define the open area.

In a second aspect, the embodiments of the present application provide a solar cell display device, which includes: a backlight module and a display panel; the display panel is stacked on the backlight module and includes: the solar cell module described in the embodiments of the present application, an opening area It corresponds to the display area of the display panel, and the border area corresponds to the non-display area of the display panel.

In the embodiment of the present application, a plurality of first solar cells and a plurality of second solar cells are arranged on the substrate in a staggered manner and form a frame area, the first solar cells are connected in parallel with each other, and the second solar cells The units are connected in parallel with each other and in series with the first solar cell units, so as to avoid the problem that the solar cell module cannot operate normally due to the partial frame area (ie, the light-receiving area) being shaded by shadows. In addition, the first positive electrode layers of the first solar cell units and the second negative electrode layers of the second solar cell units are electrically connected respectively through the first conductive layer and the second conductive layer through a plurality of windows of the insulating layer. To take out the positive and negative electricity of the solar cell module to the circuit board of the electronic device it is matched with. In addition, the connection relationship between the second solar cell units and the first solar cell units, the connection relationship between the first conductive layer and the first solar cell units, and the second conductive layer can be designed through layout planning The connection relationship with the second solar cells does not need to be assisted by external components/elements.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

It should be noted that, herein, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements, It also includes other elements not expressly listed or inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

It must be understood that when an element is described as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element, and intervening elements may be present. In contrast, when an element is described as being "directly connected" or "directly coupled" to another element, there are no intervening elements present.

Please refer to FIGS. 3 to 6 . FIG. 3 is a schematic diagram of a solar cell module according to an embodiment of the present application, FIG. 4 is a cross-sectional view of an embodiment along the line AA in FIG. 3 , and FIG. 5 is an embodiment of the line BB in FIG. 3 . Cross-sectional view, FIG. 6 is a cross-sectional view of an embodiment of the line CC in FIG. 3 . As shown in FIGS. 3 to 6 , the solar cell module 300 includes: a substrate 310 , a plurality of first solar cell units 320 , a plurality of second solar cell units 330 , an insulating layer 340 , a first conductive layer 350 and a second conductive layer Layer 360. In this embodiment, the number of the first solar cell units 320 may be, but not limited to, two, and the number of the second solar cell units 330 may be, but not limited to, two. However, this embodiment is not intended to limit the application. The number of the first solar cell unit 320 and the second solar cell unit 330 can be adjusted according to requirements; it should be noted that due to the photoelectric conversion efficiency of the first solar cell unit 320 and the second solar cell unit 330 and the area of the light receiving area ( That is, the light-receiving area) is proportional to each other. Therefore, the number of the first solar cell unit 320 and the second solar cell unit 330 should not be too large. In addition, it should be noted that although the shapes of the first solar cell unit 320 and the second solar cell unit 330 in this embodiment are rectangular, this embodiment is not intended to limit the present invention. For example, the shapes of the first solar cell unit 320 and the second solar cell unit 330 in this embodiment may also be circular or other geometric shapes.

In this embodiment, the outer side 312 of the substrate 310 is the surface of the solar cell module 300 for receiving light, and the inner side 314 of the substrate 310 can be provided with the first solar cell units 320 and the second solar cell units 330 . Therefore, the substrate 310 may be a transparent substrate such as glass or plastic, but not limited thereto. In one embodiment, the substrate 310 may include a rigid substrate, a flexible substrate, or any combination thereof. In one embodiment, the substrate 310 may include a polyethylene terephthalate (Polyethlene terephihalate, PET) substrate, a Polycarbonate (PC) substrate, a Polyethylene Naphthalate (PEN) Substrate, polyethersulfone (PES) or any combination of the above.

In this embodiment, the first solar cell units 320 are connected in parallel with each other; the second solar cell units 330 are connected in parallel with each other and are connected in series with the first solar cell units 320 , as shown in FIG. 7 , which is a diagram of FIG. 7 . 3 is a schematic diagram of the circuit model of the solar cell module. The connection relationship between the second solar cell units 330 and the first solar cell units 320 in this embodiment can be structurally designed during wiring planning, and does not need to be connected by external components/elements. This part can be understood and implemented by those with ordinary knowledge in the technical field, and will not be described in detail here.

Referring to FIGS. 4 to 6 , each first solar cell unit 320 may include a first positive electrode layer 322 , a first photoelectric conversion layer 324 and a first negative electrode layer 326 ; in each first solar cell unit 320 , the first The photoelectric conversion layer 324 is arranged between the first negative electrode layer 326 and the first positive electrode layer 322, and the first positive electrode layer 322 is arranged on the substrate 310; each second solar cell unit 330 may include a second positive electrode layer 332, a second photoelectric The conversion layer 334 and the second negative electrode layer 336; in each second solar cell unit 330, the second photoelectric conversion layer 334 is arranged between the second negative electrode layer 336 and the second positive electrode layer 332, and the second positive electrode layer 332 is arranged on the on the substrate 310 .

In one embodiment, the first positive electrode layer 322 and the second positive electrode layer 332 may have the same composition material, the first photoelectric conversion layer 324 and the second photoelectric conversion layer 334 may be composed of the same material, the first negative electrode layer 326 and the second photoelectric conversion layer 334 The composition materials of the negative electrode layer 336 may be the same, but the embodiments are not intended to limit the present application.

In one embodiment, the constituent material of the first positive electrode layer 322 of each first solar cell unit 320 and the second positive electrode layer 332 of each second solar cell unit 330 may be transparent conducting oxide (TCO). ), but the examples are not intended to limit the application. The transparent conductive oxide may include indium oxide (In ₂ O ₃ ), tin oxide (SnO ₂ ), zinc oxide (ZnO), cadmium oxide (CdO), chromium copper oxide (CuCrO ₂ ), strontium copper oxide (SrCu ₂ ) O ₂ ), copper aluminum oxide (CuAlO ₂ ), magnesium indium oxide (MgO-In ₂ O ₃ ), cadmium tin oxide (CdO-SnO ₂ ), tin antimony oxide (SnO ₂ -Sb ₂ O ₃ ), Tin gallium oxide (SnO ₂ -Ga ₂ O ₃ ), gallium zinc oxide (Ga ₂ O ₃ -ZnO), indium tin oxide (In ₂ O ₃ -SnO ₂ , ITO), indium zinc oxide (Indium zinc oxide) oxide, IZO), indium gallium zinc oxide (In ₂ O ₃ -Ga ₂ O ₃ -ZnO, IGZO), aluminum-doped zinc oxide (Aluminum-doped Zinc Oxide, AZO), boron-doped zinc oxide (Boron -doped ZnO, BZO), fluorine-doped SnO ₂ (FTO), or any combination of the above.

In one embodiment, the constituent materials of the first photoelectric conversion layer 324 and the second photoelectric conversion layer 334 may include monocrystalline silicon, polycrystalline silicon, amorphous silicon or any combination thereof, but the embodiment is not intended to limit the present application .

In one embodiment, the composition materials of the first negative electrode layer 326 and the second negative electrode layer 336 may be silver (Ag), chromium (Cr), aluminum (Al), molybdenum niobium (MoNb), molybdenum tantalum (MoTa), aluminum neodymium (AlNd), aluminum nickel lanthanum (AlNiLa), aluminum molybdenum tantalum (AlMoTa) or molybdenum oxide (MoOx), but the embodiments are not intended to limit the present application.

Please continue to refer to FIGS. 3 to 6 , in this embodiment, the insulating layer 340 is disposed on the first solar cell units 320 and the second solar cell units 330 , and includes a plurality of windows 342 and 344 . The windows 342 expose portions of the first anode layer 322 of each of the first solar cells 320 , and the windows 344 expose portions of the second anode layer 336 of each of the second solar cells 330 . Wherein, the number of windows 342 can be but not limited to six and can be distributed on the first solar cell units 320, the number of windows 344 can be but not limited to three and can be distributed on the second solar cells 320 On the solar cell unit 330, but the embodiment is not intended to limit the present application, the actual number of windows 342, 344 and their disposition positions can be adjusted according to requirements. For example, please refer to FIG. 8 , which is a schematic diagram of a solar cell module according to another embodiment of the present application. The difference between FIG. 8 and FIG. 3 is the number of windows 342 on the first solar cell unit 320 of FIG. 8 . It is denser, so that the holes of the first positive electrode layer 322 can be led out.

In one embodiment, the material of the insulating layer 340 may be an inorganic material, an organic material or a combination thereof, but the embodiment is not intended to limit the present application. Wherein, the insulating layer 340 may be, but not limited to, a transparent material. In this embodiment, the insulating layer 340 is selected from organic materials.

In this embodiment, the first conductive layer 350 is disposed on the insulating layer 340 , and is electrically connected to the first positive electrode layer 322 of each of the first solar cell units 320 through a portion of the windows (ie, the windows 342 ). . More specifically, the first conductive layer 350 includes a plurality of first sub-conductive layers 352 and a plurality of second sub-conductive layers 354 . The second sub-conductive layers 354 are disposed on the insulating layer 340 and pass through the windows 342 The holes collected by the first positive electrode layers 322 of the first solar cells 320 are further quickly exported to avoid recombination of electron-hole pairs and reduce the conversion efficiency of the first solar cells 320; A sub-conductive layer 352 is used to connect the second sub-conductive layers 354 distributed over the first solar cell units 320 to connect the first positive electrode layers 322 of each first solar cell unit 320 .

In this embodiment, the second conductive layer 360 is disposed on the insulating layer 340 , and is electrically connected to the second negative electrode layer of each of the second solar cell units 330 through the windows (ie, the windows 344 ) in another part 336. In more detail, the second conductive layer 360 further rapidly extracts the electrons collected by the second negative electrode layers 336 of the second solar cells 330 through the windows 344 to avoid recombination of electron-hole pairs and reduce the conversion efficiency of some of the second solar cells 330 .

Therefore, the first conductive layer 350 and the second conductive layer 360 can be used to extract the positive and negative electricity of the solar cell module 300 to the circuit board of the electronic device matched with it. In an embodiment, the composition materials of the first conductive layer 350 and the second conductive layer 360 may be the same, but the embodiment is not intended to limit the present application. The constituent materials of the first conductive layer 350 and the second conductive layer 360 may include silver (Ag), chromium (Cr), aluminum (Al), molybdenum niobium (MoNb), molybdenum tantalum (MoTa), and aluminum neodymium (AlNd) , aluminum nickel lanthanum (AlNiLa), aluminum molybdenum tantalum (AlMoTa) or molybdenum oxide (MoOx).

表示無法正常運作），但由於未被遮蔽的第一太陽能電池單元320與第二太陽能電池單元330可正常運作，因此，太陽能電池模組300仍可正常運作。需注意的是，在本實施例中，開口區域380上可以沒有設置任何材料或元件，但本實施例並非用以限定本發明，可依據實際需求進行調整。 In this embodiment, the first solar cell units 320 and the second solar cell units 330 are alternately arranged on the substrate 310 to form a frame area 370 , and the frame area 370 defines an opening area 380 . The above-mentioned first solar battery units 320 and the second solar battery units 330 are alternately arranged on the substrate 310 means that the first solar battery units 320 and the second solar battery units 330 are alternately arranged on the substrate 310 on the substrate 310 , so that the first solar cell units 320 and the second solar cell units 330 are dispersedly arranged on the substrate 310 . Since the first solar cells 320 are connected in parallel, the second solar cells 330 are connected in parallel, and the second solar cells 330 are connected in series with the first solar cells 320, so that when the first solar cells When the battery units 320 and the second solar battery units 330 are alternately arranged on the substrate 310 and the frame area 370 is formed, the solar cell module 300 can be prevented from functioning normally due to the partial frame area 370 (ie, the light-receiving area) being shaded by shadows. The problem. In more detail, please refer to FIG. 9 and FIG. 10 , FIG. 9 is a schematic diagram of an embodiment in which part of the frame area of the solar cell module of FIG. 3 is shaded by shadows, and FIG. 10 is a schematic diagram of a circuit model of the solar cell module of FIG. 9 9 and 10, when the shadow 60 of the article covers a first solar cell unit 320 and a second solar cell unit 330, the shaded first solar cell unit 320 and the second solar cell unit 330 cannot be normal operation (figure 10 starts with

Indicates that it cannot operate normally), but since the unshaded first solar cell unit 320 and the second solar cell unit 330 can operate normally, the solar cell module 300 can still operate normally. It should be noted that, in this embodiment, the opening area 380 may not be provided with any material or element, but this embodiment is not intended to limit the present invention, and may be adjusted according to actual needs.

In this embodiment, since the opening area 380 defined by the frame area 370 is not provided with the second solar cell unit 330 or the first solar cell unit 320, when the solar cell module 300 is matched with any electronic device, The electronic device can be arranged on the opening area 380, so that the solar cell module 300 will not affect the normal operation of the electronic device; or the solar cell module 300 can be arranged on the outer surface of the electronic device, so the The operation of the electronic device has limited impact.

In one embodiment, the solar cell module 300 may further include a plurality of third solar cell units (not shown) disposed on the substrate 310 and disposed in the opening area 380 . Wherein, the area of the third solar cell unit may account for 5% to 20% of the area of the opening area. In the embodiment, since most of the area of the opening area 380 is the light-transmitting substrate 310 , the arrangement of the third solar cells has little effect on the light transmittance of the opening area 380 . The structure of the third solar cell unit may be the same as that of the first solar cell unit 320 or the second solar cell unit 330 .

Please refer to FIG. 11 , which is a schematic side view of a solar cell display device according to an embodiment of the present application. As shown in FIG. 11 , the solar cell display device 500 includes a backlight module 510 and a display panel 520 ; the display panel 520 is stacked on the backlight module 510 and includes the solar cell module 300 , and the opening area 380 corresponds to the display of the display panel 520 The area 522 and the frame area 370 correspond to the non-display area 524 of the display panel 520 .

Further, please refer to FIGS. 12 to 15 . FIGS. 12 to 15 are schematic side views of the first embodiment to the fourth embodiment of the solar cell display device of FIG. 11 , respectively. As shown in FIGS. 12 to 15 , the display panel 520 may further include a transparent cover plate 610 , an upper polarizer 620 , a color filter substrate 630 , a liquid crystal layer 640 , an array substrate 650 and a lower polarizer 660 , which are stacked in sequence. The group 300 can be disposed on the transparent cover plate 610 (as shown in FIG. 12 ), between the transparent cover plate 610 and the upper polarizer 620 (as shown in FIG. 13 ), and between the upper polarizer 620 and the color filter substrate 630 ( 14) or between the color filter substrate 630 and the liquid crystal layer 640 (as shown in FIG. 15).

In one embodiment, the display panel 520 may further include a black ink layer (not drawn), and the black ink layer (not drawn) corresponds to the non-display area 524 of the display panel 520 . In other words, the black ink layer (not drawn) is used as a border for the display area 522 of the display panel 520 .

To sum up, in the embodiments of the present application, a plurality of first solar cell units and a plurality of second solar cell units which are staggeredly arranged on the substrate and form a frame area, the first solar cell units are connected in parallel with each other, the The second solar cell units are connected in parallel with each other and in series with the first solar cell units, so as to avoid the problem that the solar cell module cannot operate normally due to partial frame area (ie, the light-receiving area) being shaded by shadows. In addition, the first positive electrode layers of the first solar cell units and the second negative electrode layers of the second solar cell units are electrically connected respectively through the first conductive layer and the second conductive layer through a plurality of windows of the insulating layer. To take out the positive and negative electricity of the solar cell module to the circuit board of the electronic device it is matched with. In addition, the connection relationship between the second solar cell units and the first solar cell units, the connection relationship between the first conductive layer and the first solar cell units, and the second conductive layer and the first solar cell units can be designed through wiring planning The connection relationship of the second solar cell unit does not need to be assisted by external components/elements. Furthermore, when the solar cell module is included in the display panel, the opening area corresponds to the display area and the frame area corresponds to the non-display area, so that the frame area of the solar cell module can be used to replace the frame of the display area of the display panel in the prior art. (i.e. black ink layer).

However, the above descriptions are only examples of the present application, and are not intended to limit the scope of implementation of the present application. For example, all equivalent changes and modifications made according to the shape, structure, characteristics and spirit described in the scope of the patent application of the present application, All should be included in the scope of the patent application of this application.

60: Shadow 80, 380: open area 100, 200, 300: Solar cell modules 110: Solar cell unit 120a, 120b: Solar cells 310: Substrate 312: outer side 314: inner side 320: First solar cell unit 322: the first positive electrode layer 324: the first photoelectric conversion layer 326: first negative electrode layer 330: Second solar cell unit 332: Second positive electrode layer 334: the second photoelectric conversion layer 336: second negative electrode layer 340: Insulation layer 342, 344: Windows 350: the first conductive layer 352: first sub-conducting layer 354: Second sub-conducting layer 360: The second conductive layer 370: border area 500: Solar cell display device 510: Backlight Module 520: Display panel 522: Display area 524: Non-display area 610: Transparent cover 620: Upper polarizer 630: Color filter substrate 640: liquid crystal layer 650: Array substrate 660: Lower polarizer

The drawings described herein are used to provide further understanding of the present application and constitute a part of the present application. The exemplary embodiments and their descriptions are used to explain the present application and do not constitute an improper limitation of the present application. In the schema: FIG. 1 is a schematic diagram of an embodiment of a conventional solar cell module applied to an electronic device; 2 is a schematic diagram of another embodiment of a conventional solar cell module applied to an electronic device; 3 is a schematic diagram of a solar cell module according to an embodiment of the application; 4 is a cross-sectional view of an embodiment of the line AA of FIG. 3; 5 is a cross-sectional view of an embodiment of the line BB of FIG. 3; 6 is a cross-sectional view of an embodiment of the line CC of FIG. 3; 7 is a schematic diagram of a circuit model of the solar cell module of FIG. 3; 8 is a schematic diagram of a solar cell module according to another embodiment of the present application; FIG. 9 is a schematic diagram of an embodiment of the solar cell module of FIG. 3 in which part of the frame area is shaded; 10 is a schematic diagram of a circuit model of the solar cell module of FIG. 9; 11 is a schematic side view of a solar cell display device according to an embodiment of the application; FIG. 12 is a schematic side view of the first embodiment of the solar cell display device of FIG. 11; FIG. 13 is a schematic side view of the second embodiment of the solar cell display device of FIG. 11; FIG. 14 is a schematic side view of a third embodiment of the solar cell display device of FIG. 11; and FIG. 15 is a schematic side view of a fourth embodiment of the solar cell display device of FIG. 11 .

300: Solar cell module

310: Substrate

320: First solar cell unit

330: Second solar cell unit

342, 344: Window

350: the first conductive layer

352: the first sub-conducting layer

354: second sub-conducting layer

360: The second conductive layer

370: border area

380: Open area

Claims (9)

A solar cell module comprising: a substrate; a plurality of first solar cell units, the first solar cell units are connected in parallel with each other; a plurality of second solar cell units, the second solar cell units are connected in parallel with each other The first solar cells are connected in series; an insulating layer is disposed on the first solar cells and the second solar cells, and includes a plurality of windows, and the windows expose the first solar cells a first positive electrode layer of each part of each of the second solar cells and a second negative electrode layer exposing a part of each of the second solar cells; a first conductive layer disposed on the insulating layer, through a part of the the windows are electrically connected to the first positive electrode layer of each of the first solar cell units; and a second conductive layer is disposed on the insulating layer and electrically connected to the first anode layers through the windows of another part The second negative electrode layer of each of the two solar cell units; wherein the first solar cell units and the second solar cell units are alternately arranged on the substrate and form a frame area, and the frame area defines an opening area, the first conductive layer and the second conductive layer are connected to a circuit board of an electronic device. The solar cell module of claim 1, wherein the substrate comprises a rigid substrate, a flexible substrate or any combination thereof. The solar cell module according to claim 1, wherein the substrate comprises a glass substrate, a sapphire (Sapphire) substrate, a polyethylene terephthalate (Polyethlene terephihalate, PET) substrate, a polycarbonate (Polycarbonate, PC) substrate ) substrate, polyethylene phthalate (Polyethylene Naphthalate, PEN) substrate, polyethersulfone (Polyethersulfone, PES) or any combination of the above. The solar cell module of claim 1, wherein each of the first solar cell units includes a first negative electrode layer, a first photoelectric conversion layer and the first positive electrode layer; In each of the solar cell units, the first photoelectric conversion layer is disposed between the first negative electrode layer and the first positive electrode layer, and the first positive electrode layer is disposed on the substrate; in the second solar cell units each of which includes a second positive electrode layer, a second photoelectric conversion layer and the second negative electrode layer; in each of the second solar cell units, the second photoelectric conversion layer is disposed on the second negative electrode layer Between the second positive electrode layer and the second positive electrode layer, the second positive electrode layer is disposed on the substrate. The solar cell module of claim 4, wherein the first positive electrode layer of each of the first solar cell units and the second positive electrode layer of each of the second solar cell units have a The constituent material is transparent conducting oxide (transparent conducting oxide, TCO). The solar cell module according to claim 1, wherein the solar cell module further comprises a plurality of third solar cell units disposed on the substrate and provided with In the opening area, the area of the third solar cells accounts for 5% to 20% of the area of the opening area. A solar cell display device, comprising: a backlight module; and a display panel stacked on the backlight module, and comprising: the solar cell module according to any one of claims 1 to 6, wherein , the opening area corresponds to a display area of the display panel, and the frame area corresponds to a non-display area of the display panel. The solar cell display device according to claim 7, wherein the display panel further comprises a transparent cover plate, an upper polarizer, a color filter substrate, a liquid crystal layer, an array substrate and a lower polarizer stacked in sequence, The solar cell module is disposed on the transparent cover plate, between the transparent cover plate and the upper polarizer, between the upper polarizer and the color filter substrate, or between the color filter substrate and the liquid crystal layer. The solar cell display device according to claim 7, wherein the display panel further comprises a black ink layer, and the black ink layer corresponds to the non-display area of the display panel.

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