Contact, Coating, Or Surface Geometry Patents (Class 136/256)
  • Patent number: 11462655
    Abstract: The present disclosure relates to a tandem solar cell and a method of manufacturing the same, and more particularly, to a tandem solar cell having a perovskite solar cell stacked on and bonded to a silicon solar cell and a method of manufacturing the same. According to the present disclosure, a tandem solar cell embodied by using a homojunction silicon solar cell is provided with a first passivation pattern so that a part of an emitter layer under the first passivation pattern is exposed, thereby protecting, by the first passivation pattern, the emitter layer during high temperature firing for forming a second electrode, reducing surface defects of the emitter layer, and reducing a problem in that characteristics of the perovskite solar cell are degraded.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: October 4, 2022
    Assignee: LG Electronics Inc.
    Inventor: Seh-Won Ahn
  • Patent number: 11437530
    Abstract: Methods of fabricating solar cell emitter regions with differentiated P-type and N-type regions architectures, and resulting solar cells, are described. In an example, a back contact solar cell can include a substrate having a light-receiving surface and a back surface. A first polycrystalline silicon emitter region of a first conductivity type is disposed on a first thin dielectric layer disposed on the back surface of the substrate. A second polycrystalline silicon emitter region of a second, different, conductivity type is disposed on a second thin dielectric layer disposed on the back surface of the substrate. A third thin dielectric layer is disposed over an exposed outer portion of the first polycrystalline silicon emitter region and is disposed laterally directly between the first and second polycrystalline silicon emitter regions. A first conductive contact structure is disposed on the first polycrystalline silicon emitter region.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: September 6, 2022
    Assignee: SunPower Corporation
    Inventors: David D. Smith, Timothy Weidman, Scott Harrington, Venkatasubramani Balu
  • Patent number: 11434470
    Abstract: Biocompatible silica inorganic sculptured extracellular nanomatrices (iSECnMs) of silica nanozigzags are deposited by glancing angle deposition (GLAD), to achieve induction of specific differentiation without growth factors. The nanostructure includes a plurality of nanozigzags. The nanozigzags include SiO2 and the nanozigzags having a pitch of 80 nm to 250 nm, and a contact depth of 90 nm to 260 nm. A method of cell therapy including substantia nigra organoids formed on silica iSECnMs is also provided.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: September 6, 2022
    Assignee: Hong Kong Baptist University
    Inventors: Kin Lam Yung, Zhifeng Huang, Shi Qing Zhang
  • Patent number: 11424302
    Abstract: An OLED panel may be embedded with a near-infrared organic photosensor and may be configured to implement biometric recognition without an effect on an aperture ratio of an OLED emitter. The OLED panel may include a substrate, an OLED stack on the substrate and configured to emit visible light, and an NIR light sensor stack between the substrate and the OLED stack and including an NIR emitter configured to emit NIR light and an NIR detector. The OLED panel may be included in one or more various electronic devices.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: August 23, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chil Hee Chung, Sangyoon Lee, Yong Wan Jin, Kyung Bae Park, Kwang Hee Lee
  • Patent number: 11396610
    Abstract: Disclosed is a method of printing an ultranarrow line of a functional material. The method entails providing a substrate having an interlayer on the substrate and printing the ultranarrow line by depositing ink on the interlayer of the substrate, the ink comprising the functional material and a solvent mixture that partially dissolves the interlayer on the substrate to cause the ink to shrink and sink into the interlayer on the substrate thereby reducing a width of the line.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: July 26, 2022
    Assignee: NATIONAL RESEARCH COUNCIL OF CANADA
    Inventors: Ta-Ya Chu, Zhiyi Zhang, Ye Tao
  • Patent number: 11398576
    Abstract: Solar cells having a plurality of sub-cells coupled by metallization structures, and singulation approaches to forming solar cells having a plurality of sub-cells coupled by metallization structures, are described. In an example, a solar cell, includes a plurality of sub-cells, each of the sub-cells having a singulated and physically separated semiconductor substrate portion. Adjacent ones of the singulated and physically separated semiconductor substrate portions have a groove there between. The solar cell also includes a monolithic metallization structure. A portion of the monolithic metallization structure couples ones of the plurality of sub-cells. The groove between adjacent ones of the singulated and physically separated semiconductor substrate portions exposes a portion of the monolithic metallization structure.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: July 26, 2022
    Assignee: SunPower Corporation
    Inventors: Gabriel Harley, Michael Morse, Peter John Cousins
  • Patent number: 11393936
    Abstract: Provided is a transparent solar cell including a first transparent electrode, a second transparent electrode, a light absorbing layer, a first color implementation layer, and a second implementation layer, wherein each of the first color implementation layer and the second implementation layer includes an insulation layer and a conductive layer. By using a double layer, it is possible to provide a colored transparent solar cell securing stability and durability and implementing colors on both sides.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: July 19, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: JungWook Lim, Ga Young Kim, Sun Jin Yun
  • Patent number: 11371329
    Abstract: Systems and methods of enhancing oil recovery with an electrochemical apparatus include introducing the electrochemical apparatus into an injection well bore. The electrochemical apparatus includes an anode, a cathode and an interior wall, the interior wall defining an interior that contains both the anode and the cathode. The electrochemical apparatus is operated such that injection water of the injection well bore is introduced into the interior of the electrochemical apparatus. Electrical power is introduced to the electrochemical apparatus such that a portion of the injection water is converted into a product gas, the product gas including hydrogen gas and oxygen gas. The electrochemical apparatus is operated such that the product gas forms product gas bubbles and the product gas bubbles travel into a formation, where the product gas bubbles react with a reservoir hydrocarbon of the formation to form a production fluid that is produced through a production well bore.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: June 28, 2022
    Assignee: SAUDI ARABIAN OIL COMPANY
    Inventors: Abdulrahman Abdulaziz Al-Mulhem, Mohammed A. Al-Daous, Hussam A. Bahlouli
  • Patent number: 11358974
    Abstract: Provided are a silylamine compound, a composition for depositing a silicon-containing thin film containing the same, and a method for manufacturing a silicon-containing thin film using the composition, and more particularly, to a silylamine compound capable of being usefully used as a precursor of a silicon-containing thin film, a composition for depositing a silicon-containing thin film containing the same, and a method for manufacturing a silicon-containing thin film using the composition.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: June 14, 2022
    Assignee: DNF CO., LTD.
    Inventors: Sung Gi Kim, Jeong Joo Park, Joong Jin Park, Se Jin Jang, Byeong-il Yang, Sang-Do Lee, Sam Dong Lee, Sang Ick Lee, Myong Woon Kim
  • Patent number: 11362220
    Abstract: Local metallization of semiconductor substrates using a laser beam, and the resulting structures, e.g., micro-electronic devices, semiconductor substrates and/or solar cells, are described. For example, a solar cell includes a substrate and a plurality of semiconductor regions disposed in or above the substrate. A plurality of conductive contact structures is electrically connected to the plurality of semiconductor regions. Each conductive contact structure includes a locally deposited metal portion disposed in contact with a corresponding a semiconductor region.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: June 14, 2022
    Assignee: SunPower Corporation
    Inventors: Pei Hsuan Lu, Benjamin I. Hsia, David Aaron R. Barkhouse, Lee Gorny
  • Patent number: 11355661
    Abstract: A photovoltaic device includes a first contact and a hybrid absorber layer. The hybrid absorber layer includes a chalcogenide layer and a semiconductor layer in contact with the chalcogenide layer. A buffer layer is formed on the absorber layer, and a transparent conductive contact layer is formed on the buffer layer.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: June 7, 2022
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Tayfun Gokmen, Oki Gunawan, Richard A. Haight, Jeehwan Kim, David B. Mitzi, Mark T. Winkler
  • Patent number: 11355654
    Abstract: Tri-layer semiconductor stacks for patterning features on solar cells, and the resulting solar cells, are described herein. In an example, a solar cell includes a substrate. A semiconductor structure is disposed above the substrate. The semiconductor structure includes a P-type semiconductor layer disposed directly on a first semiconductor layer. A third semiconductor layer is disposed directly on the P-type semiconductor layer. An outermost edge of the third semiconductor layer is laterally recessed from an outermost edge of the first semiconductor layer by a width. An outermost edge of the P-type semiconductor layer is sloped from the outermost edge of the third semiconductor layer to the outermost edge of the third semiconductor layer. A conductive contact structure is electrically connected to the semiconductor structure.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: June 7, 2022
    Assignee: SunPower Corporation
    Inventors: Kieran Mark Tracy, David D. Smith, Venkatasubramani Balu, Asnat Masad, Ann Waldhauer
  • Patent number: 11355720
    Abstract: The present invention relates to a method for producing a solid state solar cell, including the steps of providing a conductive support layer or current collector, applying a metal oxide layer on the conducting support layer, applying at least one sensitizer layer onto the metal oxide layer or onto a first optional layer covering the metal oxide layer, the first optional layer including a charge transporting layer, applying a second optional layer onto the sensitizer layer, the second optional layer being selected from a charge transporting layer, a protective layer, or a combination of both layers, and providing a counter electrode or a metal electrode onto the sensitizer layer or the second optional layer. The at least one sensitizer layer includes an organic-inorganic or metal halide perovskite and is treated by the application of a vacuum before the annealing of the sensitizer.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: June 7, 2022
    Assignee: Ecole Polytechnique Federale de Lausanne (EPFL)
    Inventors: Xiong Li, Chenyi Yi, Dongqin Bi, Shaik Mohammed Zakeeruddin, Michael Graetzel, Anders Hagfeldt
  • Patent number: 11349040
    Abstract: In embodiments, a photovoltaic cell has an expanded metal article configured as a mesh, a semiconductor material, and a front metallic article. The expanded metal article has a plurality of first segments intersecting a plurality of second segments thereby forming a plurality of openings, and has a plurality of cuts in the mesh. The expanded metal article is electrically coupled to a back surface of the semiconductor material. The front metallic article has a plurality of electroformed elements interconnected to form a unitary, free-standing piece comprising a continuous grid. The continuous grid of the front metallic article is electrically coupled to a front surface of the semiconductor material. The plurality of cuts of the expanded metal article is arranged on the photovoltaic cell to relieve stresses induced by the front metallic article on the front surface of the semiconductor material.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: May 31, 2022
    Assignee: Merlin Solar Technologies, Inc.
    Inventors: Venkateswaran Subbaraman, Gopal Prabhu, Venkatesan Murali, David Tanner
  • Patent number: 11338545
    Abstract: A laminate comprising a plastic substrate (A); a hardened organic polymer layer (B) provided on a surface of the plastic substrate (A) and having a storage elastic modulus of from 0.01 to 5 GPa and tan ? of from 0.1 to 2.0 at 25° C. which are measured at a temperature elevating rate of 2° C./min by a dynamic viscoelasticity test stipulated in JIS K 7244; an organic/inorganic composite layer (C) provided on a surface of the hardened organic polymer layer (B) and containing covalently bound organic polymer and metal oxide nanoparticles; and an inorganic layer (D) provided on a surface of the organic/inorganic composite layer (C) and comprising secondary particles of ceramic or metal.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: May 24, 2022
    Assignees: National Institute of Advanced Industrial Science and Technology, Arakawa Chemical Industries, Ltd.
    Inventors: Hiroaki Noda, Jun Akedo, Hideki Goda, Takeshi Fukuda, Haruhisa Togashi
  • Patent number: 11335818
    Abstract: A solar cell includes a semiconductor substrate, a first conductive layer, a second conductive layer, a first electrode, a second electrode, and an island-shaped conductive layer. The first conductive layer and the second conductive layer are disposed on one principal surface of the semiconductor substrate. The first electrode is disposed on the first conductive layer and the second electrode is disposed on the second conductive layer. The first electrode and the second electrode are electrically separated, and the island-shaped conductive layer is disposed between the first electrode and the second electrode.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: May 17, 2022
    Assignee: KANEKA CORPORATION
    Inventors: Katsunori Konishi, Kunihiro Nakano, Hayato Kawasaki, Kunta Yoshikawa
  • Patent number: 11332830
    Abstract: Provided is a surface-metalized polymer article comprising a polymer component having a surface, a first layer of multiple functionalized graphene sheets having a first chemical functional group, multiple functionalized carbon nanotubes having a second chemical group functional group, or a combination of both, which are coated on the polymer component surface, and a second layer of a plated metal deposited on the first layer, wherein the multiple functionalized graphene sheets contain single-layer or few-layer graphene sheets and/or the multiple functionalized carbon nanotubes contain single-walled or multiwalled carbon nanotubes, and wherein the multiple functionalized graphene sheets or functionalized carbon nanotubes are bonded to the polymer component surface with or without an adhesive resin.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: May 17, 2022
    Assignee: Global Graphene Group, Inc.
    Inventors: Yi-jun Lin, Shaio-yen Lee, Yao-de Jhong, Aruna Zhamu, Bor Z. Jang
  • Patent number: 11329177
    Abstract: Thin-film solar cell modules and serial cell-to-cell interconnect structures and methods of fabrication are described. In an embodiment, solar cell module and interconnect includes a conformal transport layer over a subcell layer. The conformal transport layer may also laterally surround an outside perimeter the subcell layer.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: May 10, 2022
    Assignee: Swift Solar Inc
    Inventor: Kevin Alexander Bush
  • Patent number: 11329241
    Abstract: Disclosed herein are exciton-blocking treatments for buffer layers used in organic photosensitive optoelectronic devices. More specifically, the organic photosensitive optoelectronic devices described herein include at least one self-assembled monolayer disposed on the surface of an anode buffer layer. Methods of preparing these devices are also disclosed. The present disclosure further relates to methods of forming at least one self-assembled monolayer on a substrate.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: May 10, 2022
    Assignee: The Regents of the University of Michigan
    Inventors: Stephen R. Forrest, Byeongseop Song, Jeramy D. Zimmerman
  • Patent number: 11322632
    Abstract: An ultra-thin and highly transparent wafer-type plasmonic solar cell comprising a layer of a conductive transparent substrate, a layer of an n-type semiconductor; a layer made of metal nanoparticles selected from the group consisting of copper, gold or silver and a layer made of a p-type semiconductor; wherein the substrate, n-type semiconductor, metal nanoparticles and p-type semiconductor respectively are linked by covalent bonds by means of one or more molecular linker/linkers. A method for producing said plasmonic solar cell by self-assembly.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: May 3, 2022
    Assignee: PEAFOWL SOLAR POWER AB
    Inventors: Jacinto De Paiva Sá, Marina Freitag
  • Patent number: 11316057
    Abstract: Solar devices and methods for producing solar devices are disclosed. In some examples, a solar device includes solar cells arranged in a shingled manner such that adjacent long edges of adjacent ones of the solar cells overlap. The adjacent long edges have a non-linear shape that has protruding portions. The solar device includes contact pads arranged in the protruding portions of the adjacent long edges such that the contact pads of the adjacent ones of the solar cells are electrically connected.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: April 26, 2022
    Assignee: SunPower Corporation
    Inventors: Nathaniel Alexis Caswell, Maritza Ruiz, Tamir Lance, Nathan Beckett, David DeGraaff
  • Patent number: 11312735
    Abstract: Nanoscale metal halide perovskites are provided. The nanoscale metal halide perovskites may have a 2D structure, a quasi-2D structure, or a 3D structure. Methods also are provided for making the nanoscale metal halide perovskites. The color emitted by the nanoscale metal halide perovskites may be tuned.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: April 26, 2022
    Assignee: Florida State University Research Foundation, Inc.
    Inventors: Biwu Ma, Zhao Yuan
  • Patent number: 11316061
    Abstract: n-type amorphous semiconductor layers (4) and p-type amorphous semiconductor layers (5) are alternately disposed on the back surface of a semiconductor substrate (1) so as to be separated from each other at a desired interval paralleled with the direction of the surface of the semiconductor substrate (1). An electrode (6) is disposed on the n-type amorphous semiconductor layer (4), and an electrode (7) is disposed on the p-type amorphous semiconductor layer (5). A protective film (8) includes an insulating film, and is disposed on a passivation film (3), the n-type amorphous semiconductor layer (4), the p-type amorphous semiconductor layer (5), and the electrodes (6, 7), so as to be in contact with the passivation film (3), the n-type amorphous semiconductor layer (4), the p-type amorphous semiconductor layer (5), and the electrodes (6, 7).
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: April 26, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takeshi Kamikawa, Masatomi Harada, Toshihiko Sakai, Tokuaki Kuniyoshi, Liumin Zou
  • Patent number: 11296482
    Abstract: A semiconductor structure includes a group III-V chiplet over a group IV substrate. A group IV optoelectronic device is situated in the group IV substrate. A patterned group III-V optoelectronic device is situated in the group III-V chiplet. A heating element is near the group IV optoelectronic device, or alternatively, near the patterned group III-V optoelectronic device. A dielectric layer is over the patterned group III-V optoelectronic device. A venting hole is in the dielectric layer in proximity of the heating element. A cavity is in the group IV substrate in proximity to the heating element.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: April 5, 2022
    Assignee: Newport Fab, LLC
    Inventors: Edward Preisler, Farnood Rezaie
  • Patent number: 11276830
    Abstract: Provided is a display apparatus that may minimize the occurrence of defects such as short-circuits during a manufacturing process. The display apparatus includes: a substrate having a bent region located between a first region and a second region and bent in the bent region about a bending axis; an organic material layer located on the substrate to correspond to the bent region and including a second opening or a second groove that extends in a direction that intersects the bending axis; and a first conductive layer extending from the first region through the bent region to the second region and located on the organic material layer.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: March 15, 2022
    Inventors: Jinsuk Lee, Jinsuk Park, Jingoo Jung
  • Patent number: 11276572
    Abstract: A method for providing etch selectivity in substrate processing is disclosed. More particularly, a plasma treatment is provided to a plurality of exposed structures comprised of varying materials. The plasma treatment will preferentially enhance the etch selectivity between at least two of the exposed structures. In one embodiment, the plurality of exposed structures are utilized as part of a multi-patterning substrate process. In one embodiment, the exposed structures may comprise an organic planarization layer and a spin-on-metal layer. The plasma treatment may comprise a plasma formed using nitrogen and hydrogen gasses and the emission of vacuum ultra-violet (VUV) wavelength radiation from such a plasma.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: March 15, 2022
    Assignee: Tokyo Electron Limited
    Inventor: Toshiharu Wada
  • Patent number: 11276813
    Abstract: Use of a barium titanate based coating liquid composition comprising: (a) a sol-gel source material containing (i) at least a barium component selected from a group consisting of barium alkoxides, hydrolyzates of barium alkoxides and condensates of hydrolyzates of barium alkoxides and (ii) at least a titanium component selected from a group consisting of titanium alkoxides, hydrolyzates of titanium alkoxides and condensates of hydrolyzates of titanium alkoxides; and (b) a ?-keto ester compound expressed by general formula (1) shown below: where R1 and R2 independently represent respective alkyl groups having not less than 1 and not more than 6 carbon atoms.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: March 15, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yoshinori Kotani, Yoshihiro Ohashi, Motokazu Kobayashi
  • Patent number: 11271521
    Abstract: A solar cell module is discussed. The solar cell module is defined with an effective area and a dead area, and includes a solar cell, and a substrate disposed at one surface of the solar cell. The substrate includes a light refraction pattern formed to correspond to the dead area.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: March 8, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Daehee Jang, Minpyo Kim, Bojoong Kim, Seeun Hong, Taeyoon Kim, Hwanyeon Kim, Jongkyoung Hong
  • Patent number: 11264946
    Abstract: Provided is a low-pressure chip packaging type junction box for a solar power generation assembly and a processing method thereof, and more particularly, relates to a low-pressure chip packaging type junction box for a solar power generation assembly integrating techniques relating to development and manufacturing of junction boxes with semiconductor packaging techniques to increase a degree of product automation and a processing method thereof. The low-pressure chip packaging type junction box for a solar power generation assembly comprises a box body, N chips, N connection members, and N+1 copper conductors, where N?1. At least one accommodation recess is arranged at the box body. The box body is provided with a transverse bar. Chip installation positions are arranged at N copper conductors. The N+1 copper conductors are provided with lead-out positions positioned at a top surface of the transverse bar. The chip is welded and fixed to the installation position at the copper conductor.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: March 1, 2022
    Assignee: JIANGSU TONGLIN ELECTRIC CO., LTD
    Inventors: Qianjin Li, Dibao Zhu, Daoyuan Zhang, Liwang Jiang
  • Patent number: 11261341
    Abstract: An ink composition comprises a thermoplastic polyurethane; particles comprising silver; and at least one diluent liquid. The thermoplastic polyurethane has the property of exhibiting an elongation at break ranging from about 200% to about 1500% at 23° C. when in pure polymer form.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: March 1, 2022
    Assignee: XEROX CORPORATION
    Inventors: Sarah J. Vella, Yujie Zhu, Gregory McGuire
  • Patent number: 11254826
    Abstract: The present invention discloses an oxidation-resistant conductive copper past, a manufacturing method and a use thereof. The oxidation-resistant conductive copper paste comprises 70 wt % to 90 wt % of copper particles, a binder, a thixotropic agent and a solvent. The manufacturing method comprises the steps of mixing the binder, the thixotropic agent and ethanol thoroughly to obtain a first mixture; mixing the solvent with the first mixture thoroughly to obtain a second mixture; mixing the copper particles with the second mixture to obtain a conductive copper paste precursor; and removing the ethanol from the conductive copper paste precursor to obtain the oxidation-resistant conductive copper paste. The oxidation-resistant conductive copper paste can be used for manufacturing a conductive film of a circuit board or an electrode of a solar battery by a printing process.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: February 22, 2022
    Assignee: Geckos Technology Corp.
    Inventors: Wei-Chen Chang, Tsung-Huan Sheng
  • Patent number: 11258401
    Abstract: A photovoltaic (PV) module cleaning system can include a robotic cleaning device and a support system. The support system can be configured to provide a metered fill to the robotic cleaning device. In some embodiments, the robotic cleaning device and include a curved cleaning head. Various techniques for deploying a robotic cleaning device on PV modules include out-and-back, leapfrog, among others.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: February 22, 2022
    Assignee: NOVASOURCE POWER OPCO, INC.
    Inventors: Marc Grossman, Devin Cameron Castellucci, Cedric Jeanty, Juan Sanchez-Garcia, Erik Cummins
  • Patent number: 11251385
    Abstract: Hole transport layers, electron transport layers, layer stacks, and optoelectronic devices involving perovskite materials and materials used as precursors, and methods of making the same, are described.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: February 15, 2022
    Assignee: The University of Toledo
    Inventors: Randall J. Ellingson, Khagendra P. Bhandari, Michael Heben, Suneth Watthage, Zhaoning Song
  • Patent number: 11251322
    Abstract: Disclosed is a photovoltaic power generation module having a single layer structure in which a pattern glass and a solar cell module are integrated. The disclosed photovoltaic power generation module comprises: a pattern glass comprising a base member, and a pattern member provided thereon in which an optical pattern is formed; a solar cell module provided with a solar cell; a plurality of supportive adhering parts in a pillar shape adhered to the pattern member; and a filler filled between the supportive adhering part and the solar cell module, wherein the pattern glass and the solar cell module are integrated through the supportive adhering parts and the filler, and the height of the supportive adhering parts are configured to be greater than the height of the pattern member so that a gap for forming an air layer between the pattern member and the filler can be provided.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: February 15, 2022
    Assignees: POSCO, RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Sung-Ju Tark, Tae-Won Kim, A-Rong Kim, Kun-Hoon Baek, Jun-Hong Kim
  • Patent number: 11251325
    Abstract: A photovoltaic device is proposed comprising a silicon-based substrate (2) having a p-type or n-type doping, with an intrinsic buffer layer (4) situated on said substrate. A first silicon layer (6) of a first doping type is situated on predetermined regions (4a) of the intrinsic buffer layer. The first layer has interstices (5) between said predetermined regions (4a). The first silicon layer comprises at least partially a microcrystalline layer at its side away from the substrate. A microcrystalline silicon layer (8) of a second doping type is situated on said first silicon layer (6). A third silicon layer (10) of the second doping type is situated on said intrinsic buffer layer at the interstices, the third silicon layer being amorphous at its side facing said silicon-based substrate and comprising an at least partially microcrystalline layer portion to the side away from the intrinsic buffer layer.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: February 15, 2022
    Assignee: CSEM CENTRE SUISSE D'ELECTRONIQUE ET DE MICROTECHNIQUE SA—RECHERCHE ET DÉVELOPPEMENT
    Inventors: Bertrand Paviet-Salomon, Andrea Tomasi, Matthieu Despeisse, Christophe Ballif
  • Patent number: 11251324
    Abstract: The present disclosure relates to a method for manufacturing a monolithic tandem solar cell in which a perovskite solar cell is laminated and bonded on a silicon solar cell. According to the present disclosure, a first microporous precursor thin film is formed through a sputtering method on a substrate having an unevenly structured texture and then a halide thin film is formed on the first microporous precursor thin film to form a perovskite absorption layer, whereby light reflectance can be reduced and a path of light can be increased, and accordingly a light absorption rate can be increased.
    Type: Grant
    Filed: May 28, 2018
    Date of Patent: February 15, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Seongtak Kim, Seh-Won Ahn
  • Patent number: 11251315
    Abstract: A method of fabricating a solar cell can include forming a dielectric region on a silicon substrate. The method can also include forming an emitter region over the dielectric region and forming a dopant region on a surface of the silicon substrate. In an embodiment, the method can include heating the silicon substrate at a temperature above 900 degrees Celsius to getter impurities to the emitter region and drive dopants from the dopant region to a portion of the silicon substrate.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: February 15, 2022
    Assignee: SunPower Corporation
    Inventors: David D. Smith, Tim Dennis, Russelle De Jesus Tabajonda
  • Patent number: 11241334
    Abstract: Disclosed are methods and apparatus, including eyewear and a contact lens, for delivering sound energy to an eye, comprising two or more sonic or ultrasonic transducers that emit sound energy, wherein each transducer is (i) operably linked to a power source and (b) capable of emitting sound energy at more than one frequency and for a variable time period; and a positioning mechanism to position the transducers at an exterior surface of an eye so as to deliver sound energy to an internal part of the eye, for example the Schlemm's canal or trabecular meshwork.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: February 8, 2022
    Assignee: Visionage Therapies, LLC
    Inventors: Mark W. Potter, Jr., Christopher Teng
  • Patent number: 11245076
    Abstract: It discloses a perovskite optoelectronic device which includes a substrate, electrode layers and functional layers. The electrode layer is deposited on the substrate, the functional layer is deposited between the electrode layers, and the functional layer at least includes a perovskite layer, wherein the perovskite layer is a perovskite material possessing a self-organized multiple quantum well structure. By adjusting material components, controllable adjustment of the structure of the multiple quantum wells and effective energy transfer between the multiple quantum wells can be implemented, and light emitting color may be near-ultraviolet light, visible light and near-infrared light; moreover, the problems of low coverage and poor stability of the existing perovskite films can be effectively solved.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: February 8, 2022
    Assignee: NANJING TECH UNIVERSITY
    Inventors: Jianpu Wang, Nana Wang, Rui Ge, Wei Huang
  • Patent number: 11233151
    Abstract: An active pattern structure includes a lower active pattern protruding from an upper surface of a substrate in a vertical direction substantially perpendicular to an upper surface of the substrate, a buffer structure on the lower active pattern, at least a portion of which may include aluminum silicon oxide, and an upper active pattern on the buffer structure.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: January 25, 2022
    Inventors: Sangmoon Lee, Kyungin Choi, Seunghun Lee
  • Patent number: 11233161
    Abstract: A photovoltaic device that includes a p-n junction of first type III-V semiconductor material layers, and a window layer of a second type III-V semiconductor material on the light receiving end of the p-n junction, wherein the second type III-V semiconductor material has a greater band gap than the first type III-V semiconductor material, and the window layer of the photovoltaic device has a cross-sectional area of microscale.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: January 25, 2022
    Assignee: International Business Machines Corporation
    Inventors: Talia S. Gershon, Ning Li, Devendra K. Sadana, Ghavam G. Shahidi
  • Patent number: 11225434
    Abstract: Provided herein are methods for forming one or more silicon nanostructures, such as silicon nanotubes, and a silica-containing glass substrate. As a result of the process used to prepare the silicon nanostructures, the silica-containing glass substrate comprises one or more nanopillars and the one or more silicon nanostructures extend from the nanopillars of the silica-containing glass substrate. The silicon nanostructures include nanotubes and optionally nanowires. A further aspect is a method for preparing silicon nanostructures on a silica-containing glass substrate. The method includes providing one or more metal nanoparticles on a silica-containing glass substrate and then performing reactive ion etching of the silica-containing glass substrate under conditions that are suitable for the formation of one or more silicon nanostructures.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: January 18, 2022
    Assignees: CORNING INCORPORATED, ICFO
    Inventors: Albert Carrilero, Prantik Mazumder, Valerio Pruneri
  • Patent number: 11227965
    Abstract: A solar cell has a P-type silicon substrate in which one main surface is a light-receiving surface and another main surface is a backside, a dielectric film on the backside, and an N-conductivity type layer in at least a part of the light-receiving surface of the P-type silicon substrate, wherein the P-type silicon substrate is a silicon substrate doped with gallium, and the backside of the P-type silicon substrate contains a diffused group III element. This provides a solar cell with excellent conversion efficiency provided with a gallium-doped substrate, and a method for manufacturing the same.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: January 18, 2022
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hiroyuki Otsuka, Takenori Watabe
  • Patent number: 11227961
    Abstract: There is provided a photoelectric conversion device which can prevent the contact resistance between a non-crystalline semiconductor layer containing impurities and an electrode formed on the non-crystalline silicon layer from increasing, and can improve the element characteristics. A photoelectric conversion element (10) includes a silicon substrate (12), a first non-crystalline semiconductor layer (20n), a second non-crystalline semiconductor layer (20p), a first electrode (22n), and a second electrode (22p). One electrode (22n) includes first conductive layers (26n, 26p), and second conductive layers (28n, 28p). The first conductive layers (26n, 26p) have a first metal as a main component. The second conductive layers (28n, 28p) contain a second metal which is more likely to be oxidized than the first metal, are formed to be in contact with the first conductive layers (26n, 26p), and are disposed to be closer to the silicon substrate (12) than the first conductive layers (26n, 26p).
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: January 18, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Kenji Kimoto, Naoki Koide, Liumin Zou, Masamichi Kobayashi
  • Patent number: 11227963
    Abstract: A carbon based material, an optical rectenna and a semiconductor device including the same are provided. The carbon based material includes a carbon nanomaterial and a metal material bonded to the carbon nanomaterial, where the carbon nanomaterial includes a fluorine material.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: January 18, 2022
    Assignee: QATAR FOUNDATION
    Inventors: Golibjon Berdiyorov, Hicham Hamoudi
  • Patent number: 11222991
    Abstract: A solar cell has a P-type silicon substrate in which one main surface is a light-receiving surface and another main surface is a backside, a dielectric film on the backside, and an N-conductivity type layer in at least a part of the light-receiving surface of the P-type silicon substrate. The P-type silicon substrate is a silicon substrate doped with gallium, and the backside of the P-type silicon substrate contains a diffused group III element.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: January 11, 2022
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hiroyuki Otsuka, Takenori Watabe
  • Patent number: 11211509
    Abstract: A multijunction solar cell includes an InGaAs buffer layer and an InGaAlAs grading interlayer disposed below, and adjacent to, the InGaAs buffer layer. The grading interlayer achieves a transition in lattice constant from one solar subcell to another solar subcell.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: December 28, 2021
    Assignee: SolAero Technologies Corp.
    Inventors: Arthur Cornfeld, Mark A. Stan
  • Patent number: 11208322
    Abstract: This disclosure provides systems, methods, and apparatus related to a solar fuel generator. In one aspect, a device includes a photovoltaic cell, the photovoltaic cell having a first surface and a second surface, a mesh disposed on the first surface of the photovoltaic cell, and a polymer disposed on the mesh and on the first surface of the photovoltaic cell. The mesh has a catalyst disposed thereon. The polymer covers the first surface of the photovoltaic cell, with at least a portion of the mesh not being covered with the polymer.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: December 28, 2021
    Assignee: The Regents of the University of California
    Inventors: Karl A. Walczak, Jeffrey W. Beeman, Ian D. Sharp
  • Patent number: 11204452
    Abstract: There is provided a diffractive optical element including a substrate, and an array of optical nanoantennas arranged on the substrate, the array of optical nanoantennas being spaced apart periodically in a lateral direction for supporting a plurality of diffraction orders at a predetermined wavelength. In particular, each optical nanoantenna in the array of optical nanoantennas is configured to control distribution of electromagnetic energy from an incident light having the predetermined wavelength amongst the plurality of diffraction orders so as to promote scattering of the electromagnetic energy in at least a first direction and suppress scattering of the electromagnetic energy in at least a second direction, the first direction and the second direction corresponding to a first diffraction order and a second diffraction order of the plurality of diffraction orders, respectively.
    Type: Grant
    Filed: October 5, 2017
    Date of Patent: December 21, 2021
    Assignee: Agency for Science, Technology and Research
    Inventors: Ramon Jose Paniagua Dominguez, Egor Khaidarov, Arseniy Kuznetsov, Hanfang Hao, Yefeng Yu, Xinan Liang
  • Patent number: 11195961
    Abstract: The solar cell element includes a semiconductor substrate with first and second surfaces, a passivation layer being in contact with the second surface, a protective layer located on the passivation layer, a bus bar electrode, and a collecting electrode. The bus bar electrode is in contact with the second surface in a first gap portion penetrating the passivation layer and the protective layer, and is sandwiching a gap region with the passivation layer and the protective layer in a first direction along the second surface. The collecting electrode includes an electrode layer located on the protective layer, a first connecting portion located in the gap region and connecting the electrode layer and the second surface, and a second connecting portion penetrating the passivation layer and the protective layer and connecting the electrode layer and the second surface in a second gap, and is electrically connected with the bus bar electrode.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: December 7, 2021
    Assignee: KYOCERA CORPORATION
    Inventors: Akira Murao, Norihiko Matsushima