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    PHOTOVOLTAIC CELLS
    3.
    发明申请
    PHOTOVOLTAIC CELLS 有权

    公开(公告)号：US20220375694A1

    公开(公告)日：2022-11-24

    申请号：US17324719

    申请日：2021-05-19

    Applicant: Hewlett-Packard Development Company, L.P.

    Inventor： Israel Patla ,  Faina Kogan ,  Itay Eyal ,  Anna Razgon ,  Yaron Grinwald ,  Chen Zigdon

    IPC: H01G9/20 ,  H01L51/42 ,  H01L51/00 ,  C09D11/52 ,  C09D11/107 ,  G03G9/087 ,  G03G9/097

    Abstract: Described herein is a printed photovoltaic cell comprising an anode; an LEP printed cathode; and an LEP printed photovoltaic layer disposed between the anode and the cathode. The photovoltaic layer comprises a material with a perovskite structure having a chemical formula selected from ABX3 and A2BX6 and a thermoplastic resin comprising a copolymer of an alkylene monomer and a monomer having acidic side groups; and/or a copolymer of an alkylene monomer and an ethylenically unsaturated monomer comprising an epoxide; and/or a copolymer of an alkylene monomer, an ethylenically unsaturated monomer comprising an epoxide, and a monomer selected from a monomer having acidic side groups, a monomer having ester side groups and a mixture thereof. The printed cathode comprises: a thermoplastic resin; and electrically conductive metal particles. Also described herein is a method of producing the printed photovoltaic cell and an ink set for use in the method.

    LIQUID ELECTROPHOTOGRAPHIC INK COMPOSITIONS
    6.
    发明公开
    LIQUID ELECTROPHOTOGRAPHIC INK COMPOSITIONS 审中-公开

    公开(公告)号：US20240053690A1

    公开(公告)日：2024-02-15

    申请号：US17766421

    申请日：2020-06-26

    Applicant: Hewlett-Packard Development Company, L.P.

    Inventor： Israel Patla ,  Yaron Grinwald ,  Faina Kogan ,  Itay Eyal

    IPC: G03G5/087 ,  C09D11/52 ,  C09D11/037 ,  C09D11/107 ,  B41M5/52 ,  G03G15/10

    CPC classification number: G03G5/087 ,  C09D11/52 ,  C09D11/037 ,  C09D11/107 ,  B41M5/52 ,  G03G15/10

    Abstract: Described herein is a method of producing a perovskite material on a substrate by LEP printing comprising: printing a composition comprising a salt AX and a resin in a carrier liquid; printing a composition comprising a salt selected from BX2 and in BX4 and a resin in a carrier liquid; and heat treating the printed compositions; or printing a composition comprising a material with a perovskite structure and a resin in a carrier liquid; wherein the resin comprises a copolymer of an alkylene monomer and a monomer having acidic side groups; and/or a copolymer of an alkylene monomer and an ethylenically unsaturated monomer comprising an epoxide; and/or a copolymer of an alkylene monomer, an ethylenically unsaturated monomer comprising an epoxide, and a monomer selected from a monomer having acidic side groups, a monomer having ester side groups and a mixture thereof. Also described is an ink set and a printed substrate.

    Photovoltaic cells
    7.
    发明授权
    Photovoltaic cells 有权

    公开(公告)号：US11810731B2

    公开(公告)日：2023-11-07

    申请号：US17484587

    申请日：2021-09-24

    Applicant: Hewlett-Packard Development Company, L.P.

    Inventor： Israel Patla ,  Faina Kogan ,  Itay Eyal ,  Yaron Grinwald ,  Mark Sandler

    IPC: H01L31/00 ,  H01G9/20 ,  C09D11/107 ,  C09D11/037 ,  C09D11/52 ,  H10K71/13

    CPC classification number: H01G9/2059 ,  C09D11/037 ,  C09D11/107 ,  C09D11/52 ,  H10K71/13

    Abstract: Described herein is a liquid electrophotographic photovoltaic ink composition comprising: a dispersion of a material with a perovskite structure, a thermoplastic resin and conductive particles in a carrier liquid; wherein the material with a perovskite structure has a chemical formula selected from ABX3 and A2BX6; wherein A is a cation, B is a cation and X is an anion; and wherein the thermoplastic resin comprises: a copolymer of an alkylene monomer and a monomer having acidic side groups; and/or a copolymer of an alkylene monomer and an ethylenically unsaturated monomer comprising an epoxide; and/or a copolymer of an alkylene monomer, an ethylenically unsaturated monomer comprising an epoxide, and a monomer selected from a monomer having acidic side groups, a monomer having ester side groups and a mixture thereof. Also described is a method of producing a photovoltaic cell using the LEP ink and the printed cell produced by the method.

    PHOTOVOLTAIC CELLS
    8.
    发明申请
    PHOTOVOLTAIC CELLS 有权

    公开(公告)号：US20220375695A1

    公开(公告)日：2022-11-24

    申请号：US17484587

    申请日：2021-09-24

    Applicant: Hewlett-Packard Development Company, L.P.

    Inventor： Israel Patla ,  Faina Kogan ,  Itay Eyal ,  Yaron Grinwald ,  Mark Sandler

    IPC: H01G9/20 ,  H01L51/00 ,  C09D11/52 ,  C09D11/037 ,  C09D11/107

    Abstract: Described herein is a liquid electrophotographic photovoltaic ink composition comprising: a dispersion of a material with a perovskite structure, a thermoplastic resin and conductive particles in a carrier liquid; wherein the material with a perovskite structure has a chemical formula selected from ABX3 and A2BX6; wherein A is a cation, B is a cation and X is an anion; and wherein the thermoplastic resin comprises: a copolymer of an alkylene monomer and a monomer having acidic side groups; and/or a copolymer of an alkylene monomer and an ethylenically unsaturated monomer comprising an epoxide; and/or a copolymer of an alkylene monomer, an ethylenically unsaturated monomer comprising an epoxide, and a monomer selected from a monomer having acidic side groups, a monomer having ester side groups and a mixture thereof. Also described is a method of producing a photovoltaic cell using the LEP ink and the printed cell produced by the method.

    LIGHT EMITTING ELECTROCHEMICAL CELLS, ELECTROSTATIC INKS AND METHODS OF MAKING ELECTROSTATIC INKS
    10.
    发明申请
    LIGHT EMITTING ELECTROCHEMICAL CELLS, ELECTROSTATIC INKS AND METHODS OF MAKING ELECTROSTATIC INKS 有权

    公开(公告)号：US20230125335A1

    公开(公告)日：2023-04-27

    申请号：US17913329

    申请日：2020-04-09

    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    Inventor： Samer Farran ,  Yaron Grinwald ,  Rada Nuchimov ,  Ofir Bros

    IPC: H10K50/135 ,  C09K11/56 ,  C09D11/52 ,  C09D11/50 ,  C09D11/037 ,  C09D11/107 ,  H10K71/00

    Abstract: Herein is described a light-emitting electrochemical cell comprising: a first electrode and a second electrode; a light-emitting layer disposed between the first and second electrodes and comprising a printed electrostatic ink comprising a thermoplastic resin having dispersed therein an electroluminescent material. Also described herein is a method of making an electrostatic ink, the method comprising: providing a carrier fluid (i) in which is dispersed a molten or a dissolved thermoplastic polymer resin and (ii) containing particles of an electroluminescent material suspended therein; effecting precipitation of the polymer resin from the carrier fluid onto the electroluminescent material to form particles comprising the electroluminescent material with a coating comprising the thermoplastic resin in solid form thereon. Also described herein is an electrostatic ink comprising: chargeable particles comprising an electroluminescent material having a coating of a thermoplastic resin thereon.

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