阅读说明：本技术 电路基板、电路基板制造方法及结合在太阳能电池的电路基板 (Circuit board, method for manufacturing circuit board, and circuit board incorporated in solar cell ) 是由 张睿中 于 2018-07-25 设计创作，主要内容包括：本发明公开了一种电路基板、电路基板制造方法及结合在太阳能电池的电路基板,所述电路基板包含一非金属基材,并在该非金属基材上蚀刻并形成一电路,所述电路基板制造方法包括：在一非金属基材上任一面,根据一电路形状印制一紫外光光阻剂；照射一紫外光,使该紫外光光阻剂对该非金属基材进行蚀刻,借此在该非金属基材上蚀刻出前述电路形状的一通道；在所述通道上根据前述电路形状印制一紫外光纳米导电胶；对所述紫外光纳米导电胶照射该紫外光,让一纳米导电材料留在该通道内,借以形成一电路；此外该电路基板还能结合在一太阳能电池上,借此将该太阳能电池所产出一能量输出,在成本的控管上都远低于传统的太阳能封装技术。(The invention discloses a circuit substrate, a circuit substrate manufacturing method and a circuit substrate combined on a solar battery, wherein the circuit substrate comprises a non-metal base material, and a circuit is etched and formed on the non-metal base material, and the circuit substrate manufacturing method comprises the following steps: printing an ultraviolet photoresist on any surface of a non-metal substrate according to a circuit shape; irradiating ultraviolet light to enable the ultraviolet light photoresist to etch the non-metal substrate, and etching a channel with the circuit shape on the non-metal substrate; printing ultraviolet nanometer conductive adhesive on the channel according to the shape of the circuit; irradiating the ultraviolet light nanometer conductive adhesive with the ultraviolet light to enable a nanometer conductive material to be left in the channel so as to form a circuit; in addition, the circuit substrate can be combined on a solar cell, so that the energy output generated by the solar cell is far lower than that of the traditional solar packaging technology in cost control and management.)

1. A method for manufacturing a circuit substrate, comprising the steps of:

printing an ultraviolet photoresist on any surface of a non-metal substrate according to a circuit shape;

irradiating ultraviolet light to enable the ultraviolet light photoresist to etch the non-metal substrate, and etching a channel with the circuit shape on the non-metal substrate;

printing ultraviolet nanometer conductive adhesive on the channel according to the shape of the circuit;

irradiating the ultraviolet light nanometer conductive adhesive with the ultraviolet light to enable a nanometer conductive material to be left in the channel so as to form a circuit.

2. The method for manufacturing a circuit substrate according to claim 1, wherein: the circuit is printed on the non-metal substrate in a stamping mode.

3. The method for manufacturing a circuit substrate according to claim 1, wherein: when the ultraviolet photoresist etches the non-metal substrate, the depth of the channel can be determined by controlling an etching time, and the etching time is in direct proportion to the channel.

4. The method for manufacturing a circuit substrate according to claim 1, wherein: the non-metal substrate is thermoplastic polyolefin.

5. A circuit board manufactured by the circuit board manufacturing method according to any one of claims 1 to 3, comprising:

the non-metal substrate is etched with a channel on any surface and filled with a nano conductive material, so that a circuit is formed on the non-metal substrate.

6. The circuit substrate of claim 5, wherein: the circuit board further comprises an adhesive layer attached to the surface of the non-metal substrate having the circuit.

7. A circuit board to be bonded to a solar cell, comprising:

a non-metal substrate, wherein a channel is etched on any surface of the non-metal substrate, and a nano conductive material is filled in the channel, so that a circuit is formed on the non-metal substrate;

a solar cell;

the surface of the non-metal substrate with the circuit is attached to the solar cell, so that energy generated by the solar cell is led out through the circuit on the non-metal substrate.

8. The circuit substrate bonded to a solar cell according to claim 7, wherein: the circuit board further comprises an adhesive layer, wherein the adhesive layer is attached to the surface of the non-metal substrate, which is provided with the circuit, and the non-metal substrate and the solar cell are mutually attached and packaged through the adhesive layer.

Technical Field

The invention relates to a circuit substrate, a circuit substrate manufacturing method and a circuit substrate combined on a solar cell, in particular to a circuit substrate formed by etching in a printing mode and filling a circuit on an etched channel in a printing mode, a transparent circuit substrate combined on the solar cell and a manufacturing method of the circuit substrate.

Background

After the solar cell is manufactured, in order to prolong the service life of the solar cell, increase the power generation efficiency and resist the loss caused by the external environment, most of the solar cells are packaged by a film, at present, ethylene-vinyl acetate copolymer (EVA) is adopted for packaging, EVA plays an important role therein, because EVA has no viscosity and has viscosity resistance at normal temperature, after the solar cell packaging process is hot-pressed under certain conditions, EVA generates melt adhesion and adhesive bonding solidification, which belongs to a thermosetting hot melt adhesive film, the solidified EVA adhesive film becomes completely transparent and has quite high light transmittance, the solidified EVA can bear atmospheric change and has elasticity, the wafer on the solar cell is packaged, and the wafer, the upper glass and the lower TPT are adhered into a whole by using a vacuum lamination technology.

The above-mentioned packaging techniques are most currently used, but the disadvantages are that it is necessary to purchase a relatively expensive packaging machine, which consumes a lot of factory space and manufacturing cost.

Accordingly, the present invention has been made to solve the above-described disadvantage of excessive cost.

Disclosure of Invention

The invention aims to provide a circuit substrate, a circuit substrate manufacturing method and a circuit substrate combined on a solar cell, which are far lower than the traditional solar packaging technology in cost control and management.

Based on the above, the present invention mainly adopts the following technical means to achieve the above object.

A method for manufacturing a circuit substrate comprises printing an ultraviolet photoresist on any side of a non-metal substrate according to a circuit shape; irradiating ultraviolet light to enable the ultraviolet light photoresist to etch the non-metal substrate, and etching a channel with the circuit shape on the non-metal substrate; printing ultraviolet nanometer conductive adhesive on the channel according to the shape of the circuit; irradiating the ultraviolet light nanometer conductive adhesive with the ultraviolet light to enable a nanometer conductive material to be left in the channel so as to form a circuit.

Further, the circuit shape is printed on the non-metal substrate by using an embossing mode.

Furthermore, when the ultraviolet photoresist etches the non-metal substrate, the depth of the channel can be determined by controlling an etching time, and the etching time is in direct proportion to the channel.

Furthermore, the non-metal base material is thermoplastic polyolefin.

The circuit substrate manufactured by the circuit substrate manufacturing method comprises a non-metal substrate, wherein a channel is etched on any surface of the non-metal substrate, and a nano conductive material is filled in the channel, so that a circuit is formed on the non-metal substrate.

Preferably, the circuit substrate further includes an adhesive layer attached to the surface of the non-metal substrate having the circuit.

A circuit substrate combined on a solar cell comprises a non-metal substrate, a plurality of solar cells and a plurality of solar cells, wherein a channel is etched on any surface of the non-metal substrate and filled with a nano conductive material, so that a circuit is formed on the non-metal substrate; a solar cell; the surface of the non-metal substrate with the circuit is attached to the solar cell, so that energy generated by the solar cell is led out through the circuit on the non-metal substrate.

Preferably, the circuit substrate bonded to the solar cell further includes an adhesive layer, the adhesive layer is attached to the surface of the non-metal substrate having the circuit, and the non-metal substrate and the solar cell are bonded and encapsulated with each other through the adhesive layer.

By adopting the technical means, the invention can achieve the following effects:

1. in the prior art, a machine with quite high cost is required to purchase for packaging the solar panel, and the circuit substrate manufactured by the invention can be easily and quickly combined with the solar cell, and is far lower than the traditional solar packaging technology in cost control no matter whether the circuit substrate is quickly pasted by hands or mechanically.

2. The circuit substrate of the invention is different from the common semiconductor technology in the manufacturing, etching is not carried out by a light shield mode, but a template with circuit patterns carved in advance is adopted, ultraviolet light photoresist is stuck to the convex part of the template, then the template is transferred and printed on the non-metal base material, and further ultraviolet light is irradiated, so that the channel to be filled is formed.

3. The former effect is carried out, ultraviolet light nanometer conductive adhesive is adhered on the channel through the template with the circuit patterns, ultraviolet light is irradiated on the channel, and then the nanometer conductive material can fill the channel to form the circuit.

4. The invention can determine the depth of the channel by controlling the irradiation time of the ultraviolet light, so that the formed nano conductive material and the non-metal base material can show the coplanar characteristic in principle after the ultraviolet light nano conductive adhesive filled subsequently irradiates the ultraviolet light, and the trouble that air is in the nano conductive material due to different heights in the packaging process can be effectively avoided.

5. When the solar substrate is broken, the surface of the solar substrate is provided with the adhesive, so that the material of the solar substrate is not separated, and the power generation amount is not influenced.

Drawings

Fig. 1 is an external view of a circuit substrate according to an embodiment of the invention.

FIG. 2 is a flow chart of a method for manufacturing a circuit substrate according to an embodiment of the invention.

Fig. 3 is a flow chart of a method for manufacturing a circuit substrate according to an embodiment of the invention.

Fig. 4 is a flow chart of a circuit substrate manufacturing method according to an embodiment of the invention (ii).

Fig. 5 is a flow chart of a circuit substrate manufacturing method according to an embodiment of the invention (step three).

Fig. 6 is a flow chart of a circuit substrate manufacturing method according to an embodiment of the invention (step four).

Fig. 7 is a schematic view of a circuit board incorporated in a solar cell according to an embodiment of the present invention.

[ notation ] to show

1 non-metallic substrate

2 circuit

3 ultraviolet light photoresist

4 channel

5 ultraviolet light nano conductive adhesive

6 nanometer conductive material

7 solar cell

71 circuit on solar cell

8 an adhesive layer.

Detailed Description

In view of the above technical features, in order to clearly illustrate the technical features of the circuit substrate, the method for manufacturing the circuit substrate, and the circuit substrate combined with the solar cell of the present invention, the following embodiments are described, wherein the following terms such as "upper, lower, left, right" and the like are only used to describe the relative position relationship between the components, and are not limitations of the present invention, and if the same or similar structures achieve the same effect, the circuit substrate of the present invention is described below with reference to fig. 1, and includes:

a non-metal substrate 1, wherein a channel (not shown in fig. 1) is etched on any surface of the non-metal substrate 1, and a nano conductive material (not shown in fig. 1) is filled in the channel (not shown in fig. 1), and the filled nano conductive material (not shown in fig. 1) is in a substantially flush state with the non-metal substrate 1, so that a circuit 2 is formed on the non-metal substrate 1, and the manufactured non-metal substrate 1 can be applied to circuit input or output functions in a plurality of fields.

In order to make the technical features of the circuit substrate more clear, please refer to fig. 2 and fig. 3, which further illustrate a method for manufacturing a circuit substrate according to another object of the present invention, comprising the following steps:

firstly, a non-metal substrate 1 is taken, in this embodiment, the non-metal substrate 1 adopts polyolefin elastomer (TPO), a template is taken, a circuit shape is carved on the template, the circuit shape protrudes out of the template, and an ultraviolet photoresist 3 is coated on the circuit shape on the template. And then the plate mold coated with the ultraviolet photoresist 3 is covered on the non-metal substrate 1, thereby printing the ultraviolet photoresist 3 on the non-metal substrate 1.

Referring to fig. 4, an ultraviolet light is irradiated to etch the non-metal substrate 1 by the ultraviolet light photoresist (not shown), thereby etching a channel 4 in the shape of the circuit on the non-metal substrate 1. Specifically, the depth of the channel 4 is determined by controlling an etching time, which is proportional to the channel 4.

Referring to fig. 5, an ultraviolet nano conductive adhesive 5 is also applied on the clean template, and is printed on the non-metal substrate 1, and at this time, the ultraviolet nano conductive adhesive 5 adhering to the circuit shape on the template is filled into the corresponding channel 4.

Referring to fig. 6, the ultraviolet light is further irradiated again to leave a nano conductive material 6 in the channel 4, so as to form a circuit (not shown), wherein the formed nano conductive material 6 and the non-metal substrate 1 can exhibit a substantially planar characteristic, which can effectively avoid the problem of air inside due to different heights during packaging.

In addition, the circuit substrate of the foregoing embodiment can be combined with a solar cell to complete the package, so another objective of the present invention is to manufacture a circuit substrate combined with a solar cell, as shown in fig. 7, which includes:

a non-metal substrate 1, wherein a channel (not shown) is etched on any surface of the non-metal substrate 1, and the channel (not shown) is filled with a nano conductive material (not shown), so that a circuit 2 is formed on the non-metal substrate 1;

and the side of the non-metal substrate 1 having the circuit 2 is attached to the solar cell 7, so that the energy generated by the solar cell 7 is guided out through the circuit 2 on the non-metal substrate 1. More particularly, the non-metal substrate further includes an adhesive layer 8, the adhesive layer 8 is attached to the side of the non-metal substrate 1 having the circuit 2, and the circuit 2 on the non-metal substrate 1 and the circuit 71 on a solar cell are connected to each other through the adhesive layer 8 and are sealed and led out. Therefore, the problem that a machine with quite high cost is required to purchase for packaging a solar panel in the prior art is solved, and the non-metal substrate 1 manufactured by the invention can be easily and quickly combined with the solar cell 7, and is far lower than the traditional solar packaging technology in cost control and management no matter a hand pasting mode or mechanical pasting mode is adopted.

Further, the adhesive layer 8 of the present invention can also effectively and completely cover the solar cell 7, when the solar cell 7 is cracked or broken, other areas without damage can continue to operate due to the covering operation of the adhesive layer 8, and the covered adhesive layer 8 can further increase the time for the sunlight to stay on the solar cell, thereby further increasing the power generation efficiency.

The operation, use and efficacy of the present invention can be fully understood from the description of the embodiments, which are given by way of illustration only, and the scope of the invention should not be limited thereby, i.e., the invention is intended to cover various modifications and equivalents.