Patents by Inventor Tasuku ISHIGURO
Tasuku ISHIGURO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20190148578Abstract: A solar cell module including: a solar cell; a first protection member provided on the light receiving surface side of the solar cell; a second protection member provided on the rear surface side of the solar cell; an encapsulant layer, including a first encapsulant layer disposed between the solar cell and the first protection member, and a second encapsulant layer disposed between the solar cell and the second protection member, which seals the solar cell; and a wavelength conversion substance, contained in at least the first encapsulant layer, which absorbs light having a specified wavelength, and converts the wavelength. The concentration of the wavelength conversion substance is higher in the first encapsulant layer than in the second encapsulant layer, and a resin constituting the second encapsulant layer has a smaller diffusion coefficient of the wavelength conversion substance than the diffusion coefficient of a resin constituting the first encapsulant layer.Type: ApplicationFiled: January 16, 2019Publication date: May 16, 2019Applicant: PANASONIC INTELLECTUAL PROPERTY MGMT CO., LTD.Inventors: Tasuku Ishiguro, Naoto Imada, Junpei Irikawa, Akimichi Maekawa
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Patent number: 10224448Abstract: A solar cell module including: a solar cell; a first protection member provided on the light receiving surface side of the solar cell; a second protection member provided on the rear surface side of the solar cell; an encapsulant layer, including a first encapsulant layer disposed between the solar cell and the first protection member, and a second encapsulant layer disposed between the solar cell and the second protection member, which seals the solar cell; and a wavelength conversion substance, contained in at least the first encapsulant layer, which absorbs light having a specified wavelength, and converts the wavelength. The concentration of the wavelength conversion substance is higher in the first encapsulant layer than in the second encapsulant layer, and a resin constituting the second encapsulant layer has a smaller diffusion coefficient of the wavelength conversion substance than the diffusion coefficient of a resin constituting the first encapsulant layer.Type: GrantFiled: December 9, 2016Date of Patent: March 5, 2019Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., Ltd.Inventors: Tasuku Ishiguro, Naoto Imada, Junpei Irikawa, Akimichi Maekawa
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Publication number: 20190035963Abstract: A solar cell module includes: two solar cells adjacent one another across a space; an elongated light reflector extending over the two solar cells; and a front protector covering front surfaces of the two solar cells and the light reflector. In a plan view of the two solar cells, each of the two solar cells has chamfered corners and a substantially octagonal shape with linear long sides and linear or non-linear short sides, connected alternately. The light reflector, in the plan view, protrudes in the longitudinal direction from an intersection between a first long side facing another long side across the space, among the long sides, and a first short side one end of which is connected to the first long side, among the short sides, to cause light reflected by the uneven structure of the light-reflective film to reach at least one of the two solar cells.Type: ApplicationFiled: September 28, 2018Publication date: January 31, 2019Inventors: Akimichi MAEKAWA, Junpei IRIKAWA, Tasuku ISHIGURO
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Publication number: 20180331243Abstract: A solar cell module includes: a plurality of solar cells; a front surface encapsulant member which is disposed on a front surface side of the plurality of solar cells and includes a first polyolefin-based material; a back surface encapsulant member which is disposed on a back surface side of the plurality of solar cells and includes a second polyolefin-based material; an intermediate member which is disposed between the front surface encapsulant member and the back surface encapsulant member and includes a polymer material having either one of a higher polarity and a higher water absorbability than the first polyolefin-based material and the second polyolefin-based material; and a front surface protective member and a back surface protective member disposed to place the plurality of solar cells, the front surface encapsulant member, and the back surface encapsulant member between the front surface protective member and the back surface protective member.Type: ApplicationFiled: July 25, 2018Publication date: November 15, 2018Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Naoto IMADA, Tasuku ISHIGURO, Akimichi MAEKAWA, Masahiro IWATA
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Patent number: 10115852Abstract: A solar cell module includes: first and second solar cell strings each including solar cells arranged in an arrangement direction and electrically connected to one another; and a light diffusion sheet disposed between the first and second solar cell strings. The first and second solar cell strings are disposed adjacent to each other and parallel to each other along the arrangement direction. The light diffusion sheet is disposed such that both side edge portions of the light diffusion sheet overlap light-receiving surface sides of side edge portions of the first and second solar cell strings.Type: GrantFiled: March 2, 2016Date of Patent: October 30, 2018Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Akimichi Maekawa, Tasuku Ishiguro, Hiroshi Kanno, Takahiro Mishima
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Patent number: 10084105Abstract: This solar cell module is provided with: a plurality of solar cells; and a tab, which electrically connects the solar cells, and which has recesses and projections on the surface thereof. The tab has height of the recesses and the projections smaller in the peripheral region of each of the solar cells, compared with that in other regions of each of the solar cells.Type: GrantFiled: September 12, 2014Date of Patent: September 25, 2018Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yukihiro Yoshimine, Tasuku Ishiguro, Naoto Imada
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Patent number: 10074759Abstract: A solar cell module includes: a plurality of solar cells; a front surface encapsulant member which is disposed on a front surface side of the plurality of solar cells and includes a first polyolefin-based material; a back surface encapsulant member which is disposed on a back surface side of the plurality of solar cells and includes a second polyolefin-based material; an intermediate member which is disposed between the front surface encapsulant member and the back surface encapsulant member and includes a polymer material having either one of a higher polarity and a higher water absorbability than the first polyolefin-based material and the second polyolefin-based material; and a front surface protective member and a back surface protective member disposed to place the plurality of solar cells, the front surface encapsulant member, and the back surface encapsulant member between the front surface protective member and the back surface protective member.Type: GrantFiled: December 15, 2016Date of Patent: September 11, 2018Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Naoto Imada, Tasuku Ishiguro, Akimichi Maekawa, Masahiro Iwata
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Patent number: 9978891Abstract: A solar cell module includes: solar cells each having a first main surface and a second main surface; a front-side transparent protective member disposed on a first main surface-side of the solar cells; a front-side transparent encapsulant layer disposed between the front-side transparent protective member and the solar cells; a back-side protective member disposed on a second main surface-side of the solar cells; a back-side white encapsulant layer disposed between the back-side protective member and the solar cells; and a back-side transparent encapsulant layer disposed between the back-side white encapsulant layer and the solar cells, wherein a thickness of the back-side transparent encapsulant layer in a vicinity of an edge portion of the second main surface of the solar cells is less than a thickness of the back-side transparent encapsulant layer in a region between the solar cells that are neighboring to each other.Type: GrantFiled: March 24, 2017Date of Patent: May 22, 2018Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Akimichi Maekawa, Tasuku Ishiguro, Yukako Sakuragi, Atsushi Saita
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Publication number: 20180097135Abstract: A plurality of inter-cell wiring members electrically connect adjacent solar cells. The solar cell includes a photoelectric conversion layer and a finger electrode. The finger electrode is disposed on a surface of the photoelectric conversion layer and extends in a first direction. A plurality of inter-cell wiring members extend in a second direction intersecting the first direction and are arranged in the first direction, overlapping the finger electrode. The finger electrode may be formed to have a larger thickness at the end in the first direction than at the center in the first direction.Type: ApplicationFiled: September 29, 2017Publication date: April 5, 2018Inventors: Tasuku ISHIGURO, Yuya NAKAMURA
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Publication number: 20180013025Abstract: A solar cell module includes: a solar cell; a conductive light-reflective film disposed on a back surface side of the solar cell, the conductive light-reflective film extending from an edge portion of the solar cell; an insulating member disposed between a back surface of the solar cell and the conductive light-reflective film; and a back-surface side encapsulant covering the solar cell and the conductive light-reflective film from the back surface side of the solar cell, wherein the insulating member is made of a material harder than a material of the back-surface side encapsulant.Type: ApplicationFiled: September 20, 2017Publication date: January 11, 2018Inventors: Masahiro IWATA, Tasuku ISHIGURO, Haruhisa HASHIMOTO, Youhei MURAKAMI, Akimichi MAEKAWA, Shingo OKAMOTO
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Publication number: 20170365727Abstract: A solar cell module includes: a light-diffusing member adjacent to a solar cell; a tab line disposed on front surfaces of solar cells and having a light-diffusing shape on a light-entering side; and a protective member having first and second principal surfaces. When an average distance between a front surface of the solar cell and the second principal surface is expressed as D, a refractive index of the protective member is expressed as n, and a critical angle for total reflection satisfying sin R=1/n is expressed as R, the tab line is disposed in a zone other than a zone between a position at a distance of 3.46×D from, among ends of the light-diffusing member, an end closest to the solar cell and a position at a distance of 2×D×tan R from, among the ends, an end farthest from the solar cell.Type: ApplicationFiled: August 30, 2017Publication date: December 21, 2017Inventors: Tasuku ISHIGURO, Akimichi MAEKAWA, Haruhisa HASHIMOTO, Masahiro IWATA, Shoji SATO, Junpei IRIKAWA
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Publication number: 20170207353Abstract: A solar cell module includes: solar cells each having a first main surface and a second main surface; a front-side transparent protective member disposed on a first main surface-side of the solar cells; a front-side transparent encapsulant layer disposed between the front-side transparent protective member and the solar cells; a back-side protective member disposed on a second main surface-side of the solar cells; a back-side white encapsulant layer disposed between the back-side protective member and the solar cells; and a back-side transparent encapsulant layer disposed between the back-side white encapsulant layer and the solar cells, wherein a thickness of the back-side transparent encapsulant layer in a vicinity of an edge portion of the second main surface of the solar cells is less than a thickness of the back-side transparent encapsulant layer in a region between the solar cells that are neighboring to each other.Type: ApplicationFiled: March 24, 2017Publication date: July 20, 2017Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Akimichi MAEKAWA, Tasuku ISHIGURO, Yukako SAKURAGI, Atsushi SAITA
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Publication number: 20170207357Abstract: A solar cell module includes solar cells having main surfaces to which inter-cell wiring members are connected, and an insulating member disposed on the main surfaces and the wiring members, and a first lead-out wire provided to the insulating member. The insulating member includes a first insulating layer formed of polyester resin, a second insulating layer formed of polyolefin or EVA and provided between the first insulating layer and the lead-out wires, and a third insulating layer formed of polyolefin or EVA and provided between the first insulating layer and the main surfaces. The third insulating layer has a thickness in a direction perpendicular to the main surfaces larger than a thickness of the second insulating layer.Type: ApplicationFiled: March 29, 2017Publication date: July 20, 2017Inventors: Youhei MURAKAMI, Haruhisa HASHIMOTO, Tasuku ISHIGURO, Masahiro IWATA, Hiroyuki KANNOU, Ryoji NAITO, Kazuki OHTA
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Publication number: 20170207359Abstract: A first insulating layer is layered on first surfaces of solar cells. Herein, the first insulating layer is formed of polyolefin or ethylene-vinyl acetate copolymer (EVA). A second insulating layer is layered on the first insulating layer. Herein, the second insulating layer is formed of polyester resin. A first inter-cell wire rod and second inter-cell wire rod provided to the first surfaces of the solar cells are partially brought into contact with the second insulating layer.Type: ApplicationFiled: March 29, 2017Publication date: July 20, 2017Inventors: Tasuku ISHIGURO, Youhei MURAKAMI, Masahiro IWATA
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Publication number: 20170200843Abstract: A solar cell module includes solar cells. encapsulants are layered on surfaces of the solar cells. A glass substrate is layered on the encapsulants. The solar cell module further includes an epoxy resin-containing member. Each encapsulant includes the ultraviolet ray-absorbing member. The ultraviolet ray-absorbing member sets the transmittance to 1% or less at the wavelengths ranging from 300 to 360 nm.Type: ApplicationFiled: March 29, 2017Publication date: July 13, 2017Inventors: Junpei IRIKAWA, Naoto IMADA, Tasuku ISHIGURO, Hiroshi KANNO
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Publication number: 20170148929Abstract: A solar cell module includes: a solar cell group including a plurality of solar cell strings arranged in a second direction, the plurality of solar cell strings each including a plurality of solar cells arranged in a first direction; a terminal box that outputs power from the solar cell group out of the solar cell module; and an interconnect tab that connects the terminal box to a first end solar cell located at an end in the first direction in one of the plurality of solar cell strings that is located at an end in the second direction, and the interconnect tab does not overlap with the first end solar cell.Type: ApplicationFiled: February 3, 2017Publication date: May 25, 2017Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Masahiro IWATA, Haruhisa HASHIMOTO, Youhei MURAKAMI, Tasuku ISHIGURO, Hiroyuki KANNOU, Ryoji NAITO, Kazuki OHTA, Hiroshi INOUE
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Patent number: 9640691Abstract: A solar module and manufacturing method for the solar module are provided which are able to reduce problems caused by thermal stress. The solar module (1) includes a solar cell (10), a wiring member (11), and an adhesive layer (12). The wiring member (11) is arranged on a surface of the solar cell (10). The adhesive layer (12) is made of resin. The adhesive layer (12) has wide portions (12a) and narrow portions (12b) along the longitudinal direction of the wiring member (11). The solar module (1) has a region at least to the outside of the narrow portions (12b) in which the wiring member (11) and the surface of the solar cell (10) face each other without an interposing adhesive layer (12).Type: GrantFiled: November 26, 2013Date of Patent: May 2, 2017Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Tasuku Ishiguro, Yukihiro Yoshimine, Tsukasa Kawakami
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Patent number: 9627567Abstract: Disclosed is a method for manufacturing a solar cell module (10), said method being provided with: a first step for a first step for manufacturing a laminated body by sequentially stacking and thermocompression-bonding a solar cell (11), sealing material (14), first protection member (12) and second protection member (13); and a second step, which is a step of heating the solar cell (11) of the laminated body, and in which the sealing material (14) is indirectly heated due to a temperature increase of the solar cell (11).Type: GrantFiled: April 20, 2016Date of Patent: April 18, 2017Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Naoto Imada, Keisuke Ogawa, Tasuku Ishiguro
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Publication number: 20170098725Abstract: A solar cell module includes: a plurality of solar cells; a front surface encapsulant member which is disposed on a front surface side of the plurality of solar cells and includes a first polyolefin-based material; a back surface encapsulant member which is disposed on a back surface side of the plurality of solar cells and includes a second polyolefin-based material; an intermediate member which is disposed between the front surface encapsulant member and the back surface encapsulant member and includes a polymer material having either one of a higher polarity and a higher water absorbability than the first polyolefin-based material and the second polyolefin-based material; and a front surface protective member and a back surface protective member disposed to place the plurality of solar cells, the front surface encapsulant member, and the back surface encapsulant member between the front surface protective member and the back surface protective member.Type: ApplicationFiled: December 15, 2016Publication date: April 6, 2017Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Naoto IMADA, Tasuku ISHIGURO, Akimichi MAEKAWA, Masahiro IWATA
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Publication number: 20170092796Abstract: A solar cell module including: a solar cell; a first protection member provided on the light receiving surface side of the solar cell; a second protection member provided on the rear surface side of the solar cell; an encapsulant layer, including a first encapsulant layer disposed between the solar cell and the first protection member, and a second encapsulant layer disposed between the solar cell and the second protection member, which seals the solar cell; and a wavelength conversion substance, contained in at least the first encapsulant layer, which absorbs light having a specified wavelength, and converts the wavelength. The concentration of the wavelength conversion substance is higher in the first encapsulant layer than in the second encapsulant layer, and a resin constituting the second encapsulant layer has a smaller diffusion coefficient of the wavelength conversion substance than the diffusion coefficient of a resin constituting the first encapsulant layer.Type: ApplicationFiled: December 9, 2016Publication date: March 30, 2017Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Tasuku Ishiguro, Naoto Imada, Junpei Irikawa, Akimichi Maekawa