Patents Examined by Tae-Sik Kang
  • Patent number: 11923469
    Abstract: An optical solar enhancer comprises a panel that has a top surface and a bottom surface and an imaginary central plane that extends between the top surface and the bottom surface. The panel includes a plurality of generally parallel features configured to variably increase radiant energy entering the top surface at an acute angle relative to the central plane such that the effect is strongest at lower angles (early morning and late day sun) and weakest at higher angles (mid-day sun) and then redirect the increased radiant energy through the bottom surface.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: March 5, 2024
    Assignee: SEC Optics LLC
    Inventors: John Magno, John Casper, Thomas Whitonis, David Stoler
  • Patent number: 11908971
    Abstract: A photovoltaic module, including a laminate including a solder strip; and a junction box arranged on a surface of the laminate and including a plate connected to the solder strip by laser soldering. The plate has a first region and a second region, in which a region covered by the solder strip on the plate is the first region, and a region not covered by the solder strip on the plate is the second region. A soldering seam formed by laser soldering includes a first soldering seam and a second soldering seam. The first soldering seam is located in the first region, and the first soldering seam extends through the solder strip into the plate along a thickness direction of the laminate. The second soldering seam is located in the second region, and the second soldering seam extends directly into the plate along the thickness direction of the laminate.
    Type: Grant
    Filed: December 9, 2022
    Date of Patent: February 20, 2024
    Inventors: Zhiqiu Guo, Yidong Hu, Yichao Yao
  • Patent number: 11909350
    Abstract: A support housing includes a housing body and a housing cover. The housing body defines an accommodating space and has an opening spatially communicated with the accommodating space. The housing cover includes a cover plate and a plurality of retaining mechanisms. The cover plate is connected to the housing body and operable to close and open the opening. The cover plate is adapted to support a solar power panel. The retaining mechanisms are connected to the cover plate and slidable in a first direction relative to the cover plate. The retaining mechanisms are spaced apart from one another in the first direction. Any two adjacent ones of the retaining mechanisms are movable toward and away from each other to adjust a distance therebetween so that the solar power panel is clamped therebetween.
    Type: Grant
    Filed: November 9, 2022
    Date of Patent: February 20, 2024
    Inventor: Chih-Ying Chen
  • Patent number: 11910713
    Abstract: The present disclosure provides a thermoelectric conversion material having a composition represented by a chemical formula of Li2?a+bMg1?bSi. In this thermoelectric conversion material, either requirement (i) in which 0?a?0.0001 and 0.0001?b?0.25-a or requirement (ii) in which 0.0001?a?0.25 and 0?b?0.25-a is satisfied. The thermoelectric conversion material has an Li8Al3Si5 type crystalline structure.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: February 20, 2024
    Inventors: Hiromasa Tamaki, Yuriko Kaneko, Hiroki Sato, Tsutomu Kanno, HyunJeong Nam
  • Patent number: 11901474
    Abstract: A solar cell of an embodiment includes a p-electrode, an n-electrode, a p-type light-absorbing layer located between the p-electrode and the n-electrode and mainly containing a cuprous oxide, and a first n-type layer which is located between the p-type light-absorbing layer and the n-electrode, which mainly contains a compound represented by Gax1M1x2M2x3M3x4M4x5Ox6, the M1 being Hf and/or Zr, the M2 being one or more selected from the group consisting of In, Ti, and Zn, the M3 being Al and/or B, the M4 is one or more selected from the group consisting of Sn, Si, and Ge, the x1, the x2, and the x6 being more than 0, the x3, the x4, and the x5 being 0 or more, and the x6 when a sum of the x1, the x2, the x3, the x4, and the x5 is 2 being 3.0 or more and 3.8 or less.
    Type: Grant
    Filed: September 7, 2022
    Date of Patent: February 13, 2024
    Inventors: Soichiro Shibasaki, Yuya Honishi, Naoyuki Nakagawa, Mutsuki Yamazaki, Yukitami Mizuno, Yasutaka Nishida, Kazushige Yamamoto
  • Patent number: 11895853
    Abstract: Organic photovoltaic cells (OPVs) and their compositions are described herein. In one or more embodiments, the OPV or solar cell includes a first electrode (e.g., cathode); a second electrode (e.g., anode); an active layer positioned between the first electrode and the second electrode; and a channel layer positioned between the first electrode and the active layer, wherein the channel layer is configured to laterally disperse a charge across the channel layer. In certain examples, the first electrode is arranged in a grid structure having a plurality of electrode segments and a respective opening between adjacent segments of the first electrode.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: February 6, 2024
    Assignee: The Regents of the University of Michigan
    Inventors: Stephen Forrest, Quinn Burlingame, Caleb Coburn
  • Patent number: 11888440
    Abstract: Embodiments of the present disclosure are directed to a universal junction box for solar modules that comprises multiple sub-assemblies with a replaceable diode black and an open-IP plug sub-assembly. The universal junction box includes a first sub-assembly (junction box platform), a second sub-assembly (a replaceable diode block), and a third sub-assembly (an open sub-assembly or plug sub-assembly. If the electronics in the diode block becomes defective, a new replaceable diode block can be used to substitute into the defective diode black without having to replace the entire junction box. The open-IP plug sub-assembly provides the flexibility to couple a variety of cable sub-assembly or IMEs to the universal junction box as long as a particular selected cable sub-assembly fits with the dimension of the open-IP plug sub-assembly.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: January 30, 2024
    Assignee: JA SOLAR USA INC.
    Inventors: Teodor Galitev, Wei Shan
  • Patent number: 11888443
    Abstract: The present invention relates to a photo-charging energy storage device, and has been made in an effort to provide a photo-charging energy storage device which is capable of self-charging by combining a solar cell and a supercapacitor and used as a power source of an IoTs sensor. The resulting photo-charging energy storage device according to the present invention includes: a solar cell; a conductive connector electrically connected to the solar cell, and combined with the solar cell; and a supercapacitor combined with the conductive connector, and charged with the solar cell via an electrical connection with the solar cell through the conductive connector.
    Type: Grant
    Filed: January 9, 2023
    Date of Patent: January 30, 2024
    Inventors: Jee Young Yoo, Sung Jin Jo, Ju Yeon Han, Jun Yeong Lee
  • Patent number: 11881534
    Abstract: A solar module configured in a frame assembly with multi-configuration attachment member(s), which has locking and unlocking characteristics.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: January 23, 2024
    Assignee: NEXTRACKER LLC
    Inventor: Alexander W. Au
  • Patent number: 11882766
    Abstract: A thermoelectric conversion module having a further improved thermoelectric performance is provided. The thermoelectric conversion module includes: a base material; and a thermoelectric element layer including a thermoelectric semiconductor composition, wherein the thermoelectric semiconductor composition includes a thermoelectric semiconductor material, a heat resistant resin A, and an ionic liquid and/or inorganic ionic compound, and wherein the base material has a thermal resistance of 0.35 K/W or less.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: January 23, 2024
    Assignee: LINTEC Corporation
    Inventors: Wataru Morita, Kunihisa Kato, Yuta Seki
  • Patent number: 11882711
    Abstract: A hybrid organic-inorganic solar cell is provided that includes a substrate, a transparent conductive oxide (TCO) layer deposited on the substrate, an n-type electron transport material (ETM) layer, a p-type hole transport material (HTM) layer, an i-type perovskite layer, and an electrode layer, where the substrate layers are arranged in an n-i-p stack, or a p-i-n stack, where the passivating barrier layer is disposed between the layers of the (i) perovskite and HTM, (ii) perovskite and ETM, (iii) perovskite and HTM, and perovskite and ETM, or (iv) TCO and ETM, and ETM and perovskite, and perovskite and HTM, or (v) substrate and TCO, and TCO and ETM, and ETM and perovskite, and perovskite layer and HTM, or (vi) a pair of ETM layers, or (vii) a pair of HTM layers.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: January 23, 2024
    Assignee: Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO
    Inventors: Yinghuan Kuang, Rudolf Emmanuel Isidore Schropp, Dibyashree Koushik, Mariadriana Creatore, Sjoerd Veenstra
  • Patent number: 11876140
    Abstract: A photovoltaic device is presented. The photovoltaic device includes a layer stack; and an absorber layer is disposed on the layer stack. The absorber layer comprises selenium, wherein an atomic concentration of selenium varies across a thickness of the absorber layer. The photovoltaic device is substantially free of a cadmium sulfide layer.
    Type: Grant
    Filed: May 2, 2013
    Date of Patent: January 16, 2024
    Assignee: First Solar, Inc.
    Inventors: Holly Ann Blaydes, Kristian William Andreini, William Hullinger Huber, Eugene Thomas Hinners, Joseph John Shiang, Yong Liang, Jongwoo Choi
  • Patent number: 11869998
    Abstract: Strings of interconnected PV cells within a PV laminate or module are themselves connected by one or more cross-ties. These cross-tied strings can be oriented in a straight or serpentine fashion and spacings between adjacent strings may differ depending upon whether a cross-tie connection is present or not. The PV cells may be multi-diode PV cells having a shared substrate. PV cells connected by a cross-tie are connected in parallel and have a shared voltage potential.
    Type: Grant
    Filed: March 24, 2022
    Date of Patent: January 9, 2024
    Assignee: MAXEON SOLAR PTE. LTD.
    Inventors: Tamir Lance, Hoi Hong Ng, David Okawa, Adam Rothschild Hoffman
  • Patent number: 11870391
    Abstract: A connection assembly for a photovoltaic module includes at least one cell assembly which is externally contactable to at least two contacts. The connection assembly includes at least one bypass diode, which is arranged externally of the at least one cell assembly and connected in parallel to the at least one cell assembly. The connection assembly is characterized in that the connection assembly has at least one plug receptacle into which the bypass diode can be plugged in with plug contacts. A photovoltaic module with such a connection assembly is also provided.
    Type: Grant
    Filed: September 26, 2022
    Date of Patent: January 9, 2024
    Inventors: Matthias Bönsch, Torsten Wünsche, Niels Dallmann
  • Patent number: 11862744
    Abstract: The photovoltaic module includes at least one cell string, including multiple solar cell sheets, and adjacent solar cell sheets in the multiple solar cell sheets are connected to each other by multiple welding strips. In some embodiments, the photovoltaic module further includes multiple welding strips, where each of the multiple welding strips is in electrical contact with a corresponding bus bar, each of the multiple welding strips includes multiple bending portions arranged continuously along a second direction. In addition, along the second direction, an orthographic projection of a central line of each of the multiple welding strips on a back surface of the solar cell sheet coincides with an orthographic projection of a central line of the corresponding bus bar and/or an orthographic projection of a central line of each of the multiple bonding pads on the corresponding bus bar on the back surface of the solar cell sheet.
    Type: Grant
    Filed: November 28, 2022
    Date of Patent: January 2, 2024
    Inventors: Zhiqiu Guo, Shiliang Huang, Yingli Guan, Jingguo Yang
  • Patent number: 11864463
    Abstract: The present invention relates to a preparation method of a stretchable inorganic thermoelectric thin film and the stretchable inorganic thermoelectric thin film prepared by the method.
    Type: Grant
    Filed: October 24, 2022
    Date of Patent: January 2, 2024
    Inventors: Jae Sung Son, Seung Hwae Heo, Moon Kee Choi, Jisu Yoo
  • Patent number: 11856857
    Abstract: The disclosure is related to structures and method of making thermoelectric devices. The structures include an electrically and thermally nonconductive substrate with cylindrical or frustum-shaped tunnels. The tunnels may be filled with thermally and electrically conductive materials that resist diffusion. The structures include n-type and p-type materials, in homogeneous form or alternating with interlayers to block phonon conduction between layers of thermoelectric materials. The tunnels are individually associated with either n-type or p-type thermoelectric materials and connected in pairs to form alternating conductors on both sides of the substrate. The structures may also be coated with layers of gold and nickel and have thermoelectric materials deposited in the tunnels. The tunnels may be partially or fully capped with sintered nano-silver or solder.
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: December 26, 2023
    Assignee: Sheetak, Inc.
    Inventor: Uttam Ghoshal
  • Patent number: 11843066
    Abstract: A photovoltaic cell module in which a difference in color between a photovoltaic cell and the other portion is made to disappear and the changes of the color and appearance of its surface depending upon a viewing angle is hardly visually recognized, while suppressing the reduction of the power generation amount of the photovoltaic cell. The present photovoltaic cell module includes a thin plate-like photovoltaic cell enclosed in transparent sealing material; a transparent face plate laminated on the surface of the sealing material on the light receiving surface side of the photovoltaic cell; and a decorative layer laminated on the face plate, where a transparent resin is employed as base material of the decorative layer and light transmissive scaly glitter pigment is dispersed in the decorative layer such that the surface direction of the pigment is along the face plate surface.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: December 12, 2023
    Inventors: Yuki Kudo, Taizo Masuda, Masahiro Kitamura, Takakazu Hase
  • Patent number: 11824135
    Abstract: Discussed is a solar cell including a single crystalline silicon substrate, a polycrystalline silicon layer on a back surface and side surfaces of the single crystalline silicon substrate, a diffusion region on a front surface of the single crystalline silicon substrate, a front passivation layer on the diffusion region, a back passivation layer on the polycrystalline silicon layer, a first electrode connected to the diffusion region through the front passivation layer, and a second electrode connected to the polycrystalline silicon layer through the back passivation layer, wherein the side surfaces of the single crystalline silicon substrate includes a first portion without the polycrystalline silicon layer and a second portion with the polycrystalline silicon layer.
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: November 21, 2023
    Inventors: Won Jae Chang, Young Gu Do, Sung Jin Kim, Ju Hwa Cheong, Jun Yong Ahn, Hae Jong Cho, Ji Soo Ko
  • Patent number: 11817516
    Abstract: A photovoltaic device includes a substrate structure and at least one Se-containing layer, such as a CdSeTe layer. A process for manufacturing the photovoltaic device includes forming the CdSeTe layer over a substrate by at least one of sputtering, evaporation deposition, CVD, chemical bath deposition process, and vapor transport deposition process. The process can also include controlling a thickness range of the Se-containing layer.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: November 14, 2023
    Assignee: First Solar, Inc.
    Inventors: Dan Damjanovic, Markus Gloeckler, Feng Liao, Andrei Los, Dan Mao, Benjamin Milliron, Gopal Mor, Rick Powell, Kenneth Ring, Aaron Roggelin, Jigish Trivedi, Zhibo Zhao