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Solar cell

A technology of solar cells and circuit layers, applied in the field of solar cells, to achieve the effects of easy miniaturization, reduced volume, and improved performance

Inactive Publication Date: 2012-12-05
AUSK OPTOELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004]However, such as As shown in Figure 1, the concentrating solar cell 1 is not easy to miniaturize due to the distance between the concentrating lens 13 and the substrate 11, thereby reducing the applicability and competitiveness of the product

Method used

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no. 1 example

[0035] The circuit layer 211 can be a single layer or multiple layers, and can be formed on the same side or different sides of the optical substrate 21 . The circuit layer 211 is a single layer as an example; if the circuit layer 211 is multi-layered and formed on different sides of the optical substrate 21 , they can be connected to each other through vias of the optical substrate 21 . The light-concentrating structure 212 may include at least one Fresnel pattern, at least one lens (lens) or a plurality of prisms (prisms). Here, the Fresnel pattern is taken as an example. In this embodiment, a reflective layer can be coated on the outer surface of the light concentrating structure 212, or the design of the angle on the light concentrating structure 212 (for example, greater than the critical angle to form total reflection) can be used, so that the optical substrate 21 has the ability to reflect light function, and the focal point of the light concentrating structure 212 can ...

no. 2 example

[0042] Please refer to Figure 5 As shown, the main difference between a solar cell 2c in the third embodiment of the present invention and the solar cell 2a is that the solar cell 2c also includes a substrate 24, which is arranged opposite to the optical substrate 21, and the solar cell assembly 22 faces the substrate 24 . The substrate 24 may be at least partly transparent or opaque. Since the optical substrate 21 of this embodiment is reflective, the substrate 24 needs to be at least partly transparent. In this embodiment, there is a space or a cavity (chamber) is formed between the substrate 24 and the optical substrate 21. Here, the cavity 26 is used as an example, and the cavity 26 is sealed by the sealing member 27. cavity. Wherein, the sealing member 27 may be formed of colloid or solid, for example, and may have insulation properties.

no. 3 example

[0044] Fourth embodiment

[0045] Please refer to Figure 6 As shown, a solar cell 2d in the fourth embodiment of the present invention is similar to the solar cell 2c, the main difference is that the optical substrate 21 of the solar cell 2d is a refracting substrate, and the outer surface of the light concentrating structure 212a is not coated with reflective The light emitted by the sun is directly incident on the side of the light concentrating structure 212 a, and passes through the optical substrate 21 to be collected on the solar cell module 22 .

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Abstract

A solar cell comprises an optical substrate and a solar cell module, wherein the optical substrate is provided with a circuit layer and a concentration structure; and the solar cell module is arranged on the optical substrate and is electrically connected with the circuit layer.

Description

technical field [0001] The invention relates to a battery, in particular to a solar battery. Background technique [0002] Since solar energy itself has no pollution problem and is easy to obtain and never exhausted, solar energy has become one of the important alternative energy sources. Solar cells used to convert the light energy of the sun into electrical energy are also called photovoltaic cells (photovoltaic cells), which can be divided into silicon-based semiconductor cells, dye cells, and organic material cells according to materials. [0003] In recent years, in order to improve the power generation efficiency, a concentrating solar cell (Concentrating Photovoltaic, CPV) has been developed, and its partial structure is as follows: figure 1 shown. The concentrating solar cell 1 includes a substrate 11 , a solar cell module 12 and a concentrating lens 13 . Wherein, the solar battery module 12 is disposed on the substrate 11 , and the condenser lens 13 is disposed...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L31/052H02S40/22
CPCY02E10/52Y02E10/50
Inventor 林崇智
Owner AUSK OPTOELECTRONICS