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    • 39. 发明申请
    • PV MODULE AND METHOD FOR MANUFACTURING PV MODULE
    • PV模块和PV模块的制造方法
    • US20090314343A1
    • 2009-12-24
    • US12524082
    • 2008-02-26
    • Kaoru OkaniwaTakehiro ShimizuHiroaki Morikawa
    • Kaoru OkaniwaTakehiro ShimizuHiroaki Morikawa
    • H01L31/0216H01L31/18
    • H01L31/0236H01L31/02168H01L31/02363H01L31/048Y02E10/50
    • Provided is a photovoltaic (PV) module by which electric power generation efficiency can be improved by improving light use rate. An encapsulant (202) is permitted to be a first layer (A cover glass (201) and the encapsulant (202) are considered optically equivalent, since their refractive indexes are substantially the same), a light trapping film (300) to be a second layer, an anti-reflective layer (104) to be a third layer, and an n-type layer (103) to be a fourth layer. When the reflective indexes of the layers are expressed as first reflective index (n1), second reflective index (n2), third reflective index (n3) and fourth reflective index (n4), relationship n1≦n2≦n3≦n4 is satisfied. The light trapping film (300) of the second layer, i.e., one layer among the light transmitting layers, has a structured shape on an incident side (300a) where incident light (205) enters.
    • 提供了通过提高光利用率可以提高发电效率的光伏(PV)模块。 允许密封剂(202)为第一层(盖玻璃(201),并且密封剂(202)被认为是光学等效的,因为它们的折射率基本上相同),光捕获膜(300)为 第二层,作为第三层的抗反射层(104)和作为第四层的n型层(103)。 当这些层的反射指数被表示为第一反射指数(n1),第二反射指数(n2),第三反射指数(n3)和第四反射指数(n4)时,关系n1 <= n2 <= n3 <= n4 满意。 第二层的光捕获膜(300),即透光层中的一层,在入射光(205)入射的入射侧(300a)上具有结构形状。