公开(公告)号：US20130074928A1

公开(公告)日：2013-03-28

申请号：US13638085

申请日：2011-03-28

申请人： Taku Sawaki ,  Kaoru Okaniwa ,  Takeshi Yamashita ,  Hiroaki Morikawa

发明人： Taku Sawaki ,  Kaoru Okaniwa ,  Takeshi Yamashita ,  Hiroaki Morikawa

IPC分类号： H01L31/0232 ,  H01L31/055

CPC分类号： H01L31/02322 ,  H01L31/0481 ,  H01L31/055 ,  Y02E10/52

摘要： A wavelength conversion type photovoltaic cell sealing sheet of the present invention includes a dispersion medium resin, and a fluorescent material having an absorption wavelength peak at from 300 to 450 nm, wherein a content of an ultraviolet absorber other than the fluorescent substance is 0.15 parts by mass or less with respect to 100 parts by mass of the dispersion medium resin. Furthermore, a photovoltaic cell module of the present invention has a photovoltaic cell and the wavelength conversion type photovoltaic cell sealing sheet.

摘要翻译： 本发明的波长转换型光伏电池用密封片包括分散介质树脂和在300〜450nm具有吸收波长峰值的荧光体，其中除了荧光物质以外的紫外线吸收剂的含量为0.15份 相对于100质量份的分散介质树脂为质量以下。 此外，本发明的光伏电池模块具有光伏电池和波长转换型光伏电池密封片。

公开(公告)号：US20130328149A1

公开(公告)日：2013-12-12

申请号：US14000860

申请日：2011-12-19

申请人： Kaoru Okaniwa ,  Taku Sawaki ,  Takeshi Yamashita

发明人： Kaoru Okaniwa ,  Taku Sawaki ,  Takeshi Yamashita

IPC分类号： H01L31/0232

CPC分类号： H01L31/02322 ,  C08K5/0091 ,  C08K5/56 ,  C08L2205/18 ,  C08L2205/22 ,  C09D123/0853 ,  H01L31/0481 ,  H01L31/055 ,  Y02E10/50 ,  Y02E10/52 ,  C08L33/12

摘要： The present invention provides a wavelength conversion-type photovoltaic cell sealing material, the sealing material including at least one light emitting layer containing a group of spherical phosphors, the group of spherical phosphors having a ratio of a median value D50 of the group of spherical phosphors to a total thickness t of the light emitting layer of from 0.1 to 1.0, where the median value D50 is a median value of a volume particle size distribution of the group of spherical phosphors, and an integrated value N of a number particle size distribution from D25 to D75 of the group of spherical phosphors being 5% or more, when D25 is a particle size value at 25% of an integrated value of the volume particle size distribution of the group of spherical phosphors and D75 is a particle size value at 75% of the integrated value of the volume particle size distribution of the group of spherical phosphors; and a photovoltaic cell module including the sealing material.

摘要翻译： 本发明提供一种波长转换型光伏电池密封材料，所述密封材料包括至少一个含有一组球形荧光体的发光层，所述球状磷光体组的一组球形荧光体的中值D50的比率 相对于发光层的总厚度t为0.1〜1.0，其中中值D50是球形荧光体组的体积粒径分布的中值，以及来自 球状磷光体组的D25〜D75为5％以上，当D25为球状荧光体组的体积粒度分布的积分值的25％时的粒度值，D75为75时的粒径值 球形荧光体组的体积粒度分布的积分值的百分比; 以及包括密封材料的光伏电池模块。

公开(公告)号：US20130125985A1

公开(公告)日：2013-05-23

申请号：US13699631

申请日：2011-05-24

申请人： Taku Sawaki ,  Kaoru Okaniwa ,  Takeshi Yamashita

发明人： Taku Sawaki ,  Kaoru Okaniwa ,  Takeshi Yamashita

IPC分类号： H01L31/0232 ,  G02F1/35

CPC分类号： H01L31/02322 ,  C09K3/10 ,  C09K2200/062 ,  C09K2200/0622 ,  H01L31/0481 ,  H01L31/055 ,  Y02E10/52

摘要： A wavelength conversion type photovoltaic cell sealing material according to the present invention includes a first sealing layer that contains no fluorescent substance and a second sealing layer that contains a fluorescent substance. This wavelength conversion type photovoltaic cell sealing material is used as one of the light transmissive layers of a photovoltaic cell module and is disposed at a light receiving surface side of a solar cell.

摘要翻译： 根据本发明的波长转换型光伏电池密封材料包括不含荧光物质的第一密封层和含有荧光物质的第二密封层。 该波长转换型光伏电池密封材料被用作太阳能电池模块的透光层之一并且设置在太阳能电池的受光面侧。

公开(公告)号：US20130080116A1

公开(公告)日：2013-03-28

申请号：US13640029

申请日：2011-04-08

申请人： Kaoru Okaniwa ,  Takeshi Yamashita ,  Taku Sawaki

发明人： Kaoru Okaniwa ,  Takeshi Yamashita ,  Taku Sawaki

IPC分类号： G02B5/00

CPC分类号： G02B5/00 ,  C09K11/06 ,  H01L31/055 ,  Y02E10/52

摘要： A wavelength-converting resin composition for a photovoltaic cell, comprising: a fluorescent substance having a maximum absorption wavelength in an absorbance spectrum of which being λmax (nm); resin particles; and a dispersion medium resin, wherein a value of A1 (λ), which is represented by the following Equation 1, at the maximum absorption wavelength λmax (nm) is 3.0×10−4 (O.D./μm) or less in a case in which: an intensity of transmitted light that is obtained as a result of incident light having a light intensity of I0 (λ) at a wavelength λ (nm) having passed through a resin film in a thickness direction of the resin film, the resin film being formed from the resin composition and having a thickness of t (μm), is defined as I (λ); and an intensity of transmitted light that is obtained as a result of the incident light having passed through a reference resin film in a thickness direction of the reference resin film, the reference resin film being formed from a reference resin composition obtained by excluding the fluorescent substance and the resin particles from the resin composition, and having a thickness of tref (μm), is defined as Iref (λ). A1(λ)={log(I0(λ)/I(λ))}/t−log {(I0(λ)/Iref(λ))}/tref  Equation 1

摘要翻译： 一种用于光伏电池的波长转换树脂组合物，包括：在吸收光谱中具有最大吸收波长λmax（nm）的荧光物质; 树脂颗粒; 和分散介质树脂，其中在最大吸收波长λmax（nm）下由下式1表示的A1（λ）的值在3.0×10 -4（OD /μm）以下的情况下，在 其特征在于：作为在树脂膜的厚度方向上通过树脂膜的波长λ（nm）的光强度为I0（λ）的入射光而得到的透射光的强度，树脂膜 由树脂组合物形成，厚度为t（μm），被定义为I（λ）; 以及作为在基准树脂膜的厚度方向上通过参考树脂膜的入射光的结果而得到的透射光的强度，所述参考树脂膜由通过排除荧光物质获得的参考树脂组合物形成 将来自树脂组合物的树脂颗粒的厚度（tref（μm））定义为Iref（λ）。 A1（λ）= {log（I0（λ）/ I（λ））} / t-log {（I0（λ）/ Iref（λ））} / tref等式1

公开(公告)号：US20130255778A1

公开(公告)日：2013-10-03

申请号：US13991869

申请日：2011-11-18

申请人： Kaoru Okaniwa ,  Takeshi Yamashita ,  Taku Sawaki

发明人： Kaoru Okaniwa ,  Takeshi Yamashita ,  Taku Sawaki

IPC分类号： H01L31/0232 ,  C09K11/06 ,  B29C47/00 ,  H01L31/0203

CPC分类号： H01L31/02327 ,  B29C48/022 ,  C08K7/16 ,  C09K11/06 ,  C09K2211/1029 ,  C09K2211/182 ,  H01L31/02322 ,  H01L31/0481 ,  H01L31/055 ,  Y02E10/52

摘要： A spherical phosphor includes a fluorescent substance having a maximum excitation wavelength of 400 nm or longer; and a transparent material containing the fluorescent substance, in which, in an excitation spectrum, an excitation spectral intensity in a wavelength region of from 340 nm to 380 nm is 50% or higher of an excitation spectral intensity at a maximum excitation wavelength. A wavelength conversion-type photovoltaic cell sealing material includes a light-permeable resin composition layer that contains the spherical phosphor and a sealing resin.

摘要翻译： 球状荧光体包括具有400nm以上的最大激发波长的荧光体; 以及含有荧光物质的透明材料，其中在激发光谱中，340nm〜380nm的波长范围的激发光谱强度为最大激发波长的激发光谱强度的50％以上。 波长转换型光伏电池密封材料包括含有球状磷光体和密封树脂的透光性树脂组合物层。

公开(公告)号：US20130068299A1

公开(公告)日：2013-03-21

申请号：US13640186

申请日：2011-04-08

申请人： Kaoru Okaniwa ,  Takeshi Yamashita ,  Taku Sawaki

发明人： Kaoru Okaniwa ,  Takeshi Yamashita ,  Taku Sawaki

IPC分类号： C09K11/06 ,  B32B9/04 ,  H01L31/055 ,  H01L31/0216

CPC分类号： C09K11/06 ,  B32B9/048 ,  C08F2/44 ,  C08K3/10 ,  C08K5/0091 ,  C08K7/16 ,  C09K3/10 ,  C09K11/02 ,  C09K2211/182 ,  H01L31/0216 ,  H01L31/055 ,  Y02E10/52 ,  Y10T428/2982 ,  C08L33/06

摘要： A spherical phosphor is formed by including a fluorescent substance and a transparent material including the fluorescent substance. In addition, a wavelength conversion-type photovoltaic cell sealing material is formed by including a light transmissive resin composition layer including the spherical phosphor and a sealing resin.

摘要翻译： 通过包括荧光物质和包含荧光物质的透明材料形成球形荧光体。 此外，波长转换型光伏电池密封材料通过包括包含球状磷光体的透光树脂组合物层和密封树脂形成。

公开(公告)号：US08860165B2

公开(公告)日：2014-10-14

申请号：US14000860

申请日：2011-12-19

申请人： Kaoru Okaniwa ,  Taku Sawaki ,  Takeshi Yamashita

发明人： Kaoru Okaniwa ,  Taku Sawaki ,  Takeshi Yamashita

IPC分类号： H01L31/0232 ,  H01L31/048 ,  H01L31/055

CPC分类号： H01L31/02322 ,  C08K5/0091 ,  C08K5/56 ,  C08L2205/18 ,  C08L2205/22 ,  C09D123/0853 ,  H01L31/0481 ,  H01L31/055 ,  Y02E10/50 ,  Y02E10/52 ,  C08L33/12

摘要： The present invention provides a wavelength conversion-type photovoltaic cell sealing material, the sealing material including at least one light emitting layer containing a group of spherical phosphors, the group of spherical phosphors having a ratio of a median value D50 of the group of spherical phosphors to a total thickness t of the light emitting layer of from 0.1 to 1.0, where the median value D50 is a median value of a volume particle size distribution of the group of spherical phosphors, and an integrated value N of a number particle size distribution from D25 to D75 of the group of spherical phosphors being 5% or more, when D25 is a particle size value at 25% of an integrated value of the volume particle size distribution of the group of spherical phosphors and D75 is a particle size value at 75% of the integrated value of the volume particle size distribution of the group of spherical phosphors; and a photovoltaic cell module including the sealing material.

摘要翻译： 本发明提供一种波长转换型光伏电池密封材料，所述密封材料包括至少一个含有一组球形荧光体的发光层，所述球状磷光体组的一组球形荧光体的中值D50的比率 相对于发光层的总厚度t为0.1〜1.0，其中中值D50是球形荧光体组的体积粒径分布的中值，以及来自 球状磷光体组的D25〜D75为5％以上，当D25为球状荧光体组的体积粒度分布的积分值的25％时的粒度值，D75为75时的粒径值 球形荧光体组的体积粒度分布的积分值的百分比; 以及包括密封材料的光伏电池模块。

公开(公告)号：US08410000B2

公开(公告)日：2013-04-02

申请号：US13298535

申请日：2011-11-17

申请人： Youichi Machii ,  Masato Yoshida ,  Takeshi Nojiri ,  Kaoru Okaniwa ,  Mitsunori Iwamuro ,  Shuuichirou Adachi ,  Akihiro Orita ,  Tetsuya Satou ,  Keiko Kizawa

发明人： Youichi Machii ,  Masato Yoshida ,  Takeshi Nojiri ,  Kaoru Okaniwa ,  Mitsunori Iwamuro ,  Shuuichirou Adachi ,  Akihiro Orita ,  Tetsuya Satou ,  Keiko Kizawa

IPC分类号： H01L21/31

CPC分类号： H01L31/068 ,  H01L31/022425 ,  H01L31/1804 ,  Y02E10/547 ,  Y02P70/521

摘要： The method for producing a photovoltaic cell includes applying, on a partial region of one surface side of a semiconductor substrate, a first p-type diffusion layer forming composition including a p-type impurity-containing glass powder and a dispersion medium; applying, on at least a region other than the partial region on the surface of the semiconductor substrate, a second p-type diffusion layer forming composition which includes a p-type impurity-containing glass powder and a dispersion medium and in which a concentration of the p-type impurity is lower than that of the first p-type diffusion layer forming composition, where the first p-type diffusion layer forming composition is applied; heat-treating the semiconductor substrate on which the first p-type diffusion layer forming composition and the second p-type diffusion layer forming composition are applied to form a p-type diffusion layer; and forming an electrode on the partial region.

摘要翻译： 制造太阳能电池的方法包括在半导体衬底的一个表面侧的部分区域上施加包含p型含杂质玻璃粉末和分散介质的第一p型扩散层形成组合物; 在至少在半导体衬底的表面上的部分区域以外的区域施加第二p型扩散层形成组合物，其包含含p型杂质的玻璃粉末和分散介质，其中浓度 p型杂质低于第一p型扩散层形成用组合物，其中涂布第一p型扩散层形成组合物; 对其上施加有第一p型扩散层形成组合物和第二p型扩散层形成组合物的半导体衬底进行热处理以形成p型扩散层; 以及在所述部分区域上形成电极。

公开(公告)号：US20120122263A1

公开(公告)日：2012-05-17

申请号：US13298475

申请日：2011-11-17

申请人： Youichi MACHII ,  Masato Yoshida ,  Takeshi Nojiri ,  Kaoru Okaniwa ,  Mitsunori Iwamuro ,  Shuuichirou Adachi ,  Akihiro Orita ,  Tetsuya Satou ,  Keiko Kizawa

发明人： Youichi MACHII ,  Masato Yoshida ,  Takeshi Nojiri ,  Kaoru Okaniwa ,  Mitsunori Iwamuro ,  Shuuichirou Adachi ,  Akihiro Orita ,  Tetsuya Satou ,  Keiko Kizawa

IPC分类号： H01L31/0232

CPC分类号： H01L31/1804 ,  H01L21/2225 ,  H01L21/2255 ,  H01L31/022425 ,  H01L31/068 ,  Y02E10/547 ,  Y02P70/521

摘要： The method for producing a photovoltaic cell includes applying, on a partial region of one surface side of a semiconductor substrate, a first n-type diffusion layer forming composition including an n-type impurity-containing glass powder and a dispersion medium; applying, on at least a region other than the partial region on the surface of the semiconductor substrate, a second n-type diffusion layer forming composition which includes an n-type impurity-containing glass powder and a dispersion medium and in which a concentration of the n-type impurity is lower than that of the first n-type diffusion layer forming composition, where the first n-type diffusion layer forming composition is applied; heat-treating the semiconductor substrate on which the first n-type diffusion layer forming composition and the second n-type diffusion layer forming composition are applied to form an n-type diffusion layer; and forming an electrode on the partial region.

摘要翻译： 制造光伏电池的方法包括在半导体衬底的一个表面侧的部分区域上施加包含n型含杂质玻璃粉末和分散介质的第一n型扩散层形成组合物; 在至少在半导体衬底的表面上的部分区域以外的区域施加第二n型扩散层形成组合物，其包含含n型杂质的玻璃粉末和分散介质，其中浓度 n型杂质比施加第一n型扩散层形成组合物的第一n型扩散层形成组合物低; 对其上施加有第一n型扩散层形成组合物和第二n型扩散层形成组合物的半导体衬底进行热处理以形成n型扩散层; 以及在所述部分区域上形成电极。

公开(公告)号：US20100326522A1

公开(公告)日：2010-12-30

申请号：US12526130

申请日：2008-02-04

申请人： Kaoru Okaniwa

发明人： Kaoru Okaniwa

IPC分类号： H01L31/04 ,  G02B1/00

CPC分类号： H01L31/055 ,  H01L31/02168 ,  H01L31/02366 ,  H01L31/048 ,  H01L31/054 ,  Y02E10/52

摘要： A photovoltaic (PV) module in which electric power generation efficiency is enhanced by enhancing light utilization rate. A encapsulant (202) is a first layer, a wavelength conversion type light trapping film (300) is a second layer, an antireflection film (104) is a third layer and an n-type layer is a fourth layer. When the refractive indexed of the layers are expressed as first refractive index (n1), second refractive index (n2), third refractive index (n3) and fourth refractive index (n4), the following relation is satisfied; n1≦n2≦n3≦n4. The wavelength conversion type light trapping film (300) of the second layer has one structured surface on the light incident side and has a refractive index of 1.6-2.4. The wavelength conversion type light trapping film is transparent and contains a fluorescent substance.

摘要翻译： 通过提高光利用率来提高发电效率的光伏（PV）模块。 密封剂（202）是第一层，波长转换型光捕获膜（300）是第二层，抗反射膜（104）是第三层，n型层是第四层。 当层的折射率表示为第一折射率（n1），第二折射率（n2），第三折射率（n3）和第四折射率（n4）时，满足以下关系： n1＆nlE; n2＆nlE; n3＆nlE; n4。 第二层的波长转换型光俘获膜（300）在光入射侧具有一个结构化表面，折射率为1.6-2.4。 波长转换型光俘获膜是透明的并且含有荧光物质。