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    • 47. 发明专利
    • Photoelectric conversion device
    • 光电转换器件
    • JP2013123043A
    • 2013-06-20
    • JP2012246463
    • 2012-11-08
    • Semiconductor Energy Lab Co Ltd株式会社半導体エネルギー研究所
    • KATAISHI RIHOASAMI YOSHINOBU
    • H01L31/04
    • H01L31/074H01L31/0747Y02E10/50
    • PROBLEM TO BE SOLVED: To provide a photoelectric conversion device which has little light absorption loss in a window layer and has favorable electric characteristics.SOLUTION: The photoelectric conversion device includes, between a pair of electrodes, a light-transmitting semiconductor layer which has one conductivity type and serves as a window layer, and a silicon semiconductor substrate having a conductivity type for forming a p-n junction or a silicon semiconductor layer having a conductivity type for forming a p-i-n junction. The light-transmitting semiconductor layer can be formed using an inorganic compound containing, as its main component, an oxide of a metal belonging to any of Groups 4 to 8 of the periodic table, with a band gap greater than or equal to 2 eV.
    • 要解决的问题:提供一种在窗口层中具有很小的光吸收损失并且具有良好的电特性的光电转换装置。 解决方案:光电转换装置在一对电极之间包括具有一种导电类型并用作窗口层的透光半导体层和具有用于形成pn结的导电类型的硅半导体衬底或 具有用于形成pin结的导电类型的硅半导体层。 透光半导体层可以使用含有大于或等于2eV的带隙的含有属于周期表第4至8族中的任何一种的金属的氧化物作为其主要成分的无机化合物形成。 版权所有(C)2013,JPO&INPIT
    • 48. 发明专利
    • Process for manufacturing heterojunction solar cell and heterojunction solar cell
    • 制造异常太阳能电池和异质太阳能电池的方法
    • JP2010050356A
    • 2010-03-04
    • JP2008214577
    • 2008-08-22
    • Shin-Etsu Chemical Co Ltd信越化学工業株式会社
    • ITO ATSUOAKIYAMA SHOJIKAWAI MAKOTOTANAKA KOICHITOBISAKA YUUJIKUBOTA YOSHIHIRO
    • H01L31/04
    • H01L31/074H01L31/03926H01L31/056H01L31/182H01L31/1896Y02E10/52Y02E10/546
    • PROBLEM TO BE SOLVED: To provide a heterojunction solar cell where a silicon layer constituting a photoconversion layer is composed of a single crystal silicon having high crystallinity. SOLUTION: A process for manufacturing the heterojunction solar cell comprises the steps of: implanting at least one of a hydrogen ion and a noble gas ion into an n-type single crystal silicon substrate to form an ion-implanted layer; allowing an ion-implanted surface of the n-type single crystal silicon substrate to adhere to a metal substrate via an electroconductive adhesive; curing the electroconductive adhesive to form an electroconductive adhesion layer so that the n-type single crystal silicon substrate and the metal substrate can be laminated together; giving an impact to the ion-implanted layer to mechanically delaminate the n-type single crystal silicon substrate so as to leave an n-type single crystal silicon layer; depositing an n-type transparent semiconductor layer on the n-type single crystal silicon layer; forming a collecting electrode on part of the n-type transparent semiconductor layer; and forming a transparent protective film on the n-type transparent semiconductor layer at part of which the collecting electrode is formed. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供构成光转换层的硅层由具有高结晶度的单晶硅构成的异质结太阳能电池。 解决方案:用于制造异质结太阳能电池的方法包括以下步骤:将氢离子和惰性气体离子中的至少一种注入到n型单晶硅衬底中以形成离子注入层; 允许n型单晶硅衬底的离子注入表面通过导电粘合剂粘附到金属衬底; 固化导电粘合剂以形成导电粘合层,使得n型单晶硅基板和金属基板可以层压在一起; 对离子注入层产生影响以使n型单晶硅衬底机械分层以留下n型单晶硅层; 在n型单晶硅层上沉积n型透明半导体层; 在n型透明半导体层的一部分上形成集电极; 在n型透明半导体层上形成透明保护膜,其中形成有集电极。 版权所有(C)2010,JPO&INPIT
    • 50. 发明专利
    • Graded hybrid amorphous silicon nanowire solar cells
    • 分级混合非晶硅纳米级太阳能电池
    • JP2008177539A
    • 2008-07-31
    • JP2007296263
    • 2007-11-15
    • General Electric Co ゼネラル・エレクトリック・カンパニイGeneral Electric Company
    • TSAKALAKOS LOUCASJOHNSON JAMES NEILMANIVANNAN VENKATESAN
    • H01L31/04H01L31/065
    • H01L31/0352H01L31/065H01L31/074Y02E10/50
    • PROBLEM TO BE SOLVED: To provide a device structure and a manufacturing method which reduce surface and interface defects, which become the causes for reducing efficiency, in a photovoltaic device. SOLUTION: The photovoltaic device is constituted by (a) a plurality of elongated semiconductor nanostructures (nanowire is one of these), having first type doping, in which a plurality of the elongated semiconductor nanostructures are arranged on a substrate, and (b) a single amorphous layer of a semiconductor material, having second type doping, in which the layer is provided on the elongated semiconductor nanostructures in a conformal manner. In the amorphous layer, a composition is made gradient by the second type doping, so that the layer is formed as intrinsic composition substantially in the interface with the elongated semiconductor nanostructures, and that the layer may become conductive composition substantially at an opposite side of the amorphous layer. With such an amorphous layer with the graded composition, a bandgap is obtained which has a localization state that changes continuously. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种在光伏器件中减少成为降低效率的原因的表面和界面缺陷的器件结构和制造方法。 解决方案:光电器件由(a)多个细长半导体纳米结构(纳米线是其中之一)构成,具有第一类掺杂,其中多个细长半导体纳米结构布置在衬底上,和( b)具有第二类型掺杂的半导体材料的单个非晶层,其中以保形方式在所述细长半导体纳米结构上提供所述层。 在非晶层中,通过第二种掺杂使组合物变得梯度,使得该层基本上在与细长半导体纳米结构的界面中形成为本征组成,并且该层可以基本上形成在 非晶层。 对于具有渐变组成的这种非晶层,获得具有连续变化的定位状态的带隙。 版权所有(C)2008,JPO&INPIT