Patents by Inventor Seiji Take

Seiji Take 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).

  • Publication number: 20240121999
    Abstract: A multilayer body for an image display device includes a wiring substrate including a substrate having transparency, and a mesh wiring layer disposed on the substrate; and a dielectric layer stacked on the wiring substrate. The dielectric layer and the substrate have a total thickness of 50 ?m or more and 500 ?m or less.
    Type: Application
    Filed: April 4, 2022
    Publication date: April 11, 2024
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Keita IIMURA, Shuji KAWAGUCHI, Kazuki KINOSHITA, Hidetoshi IIOKA, Seiji TAKE
  • Patent number: 11916285
    Abstract: A wiring board (10) includes a substrate (11) that is transparent and a wiring pattern region (20) that is disposed on the substrate (11) and that includes a plurality of wiring lines (21, 22). The wiring pattern region (20) has a sheet resistance of less than or equal to 5 ?/sq, and each wiring line (21, 22) has a maximum width of less than or equal to 3 ?m when viewed at a viewing angle of 120°.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: February 27, 2024
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Koichi Suzuki, Seiji Take, Daisuke Matsuura
  • Publication number: 20230369751
    Abstract: A wiring board includes: a substrate having transparency; a plurality of first wirings which are arranged on an upper surface of the substrate and extend in a first direction and each of which has a back surface in contact with the substrate and a front surface facing an opposite side of the back surface; and has a back surface in contact with the substrate and a front surface facing an opposite side of the back surface. The first wiring has a pair of side surfaces which extend in the first direction and are adjacent to the back surface of the first wiring, and each of the pair of side surfaces of the second wiring is recessed inward. The second wiring has a pair of side surfaces which extend in the second direction and are adjacent to the back surface of the second wiring.
    Type: Application
    Filed: May 23, 2023
    Publication date: November 16, 2023
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Koichi SUZUKI, Seiji TAKE, Daisuke MATSUURA
  • Publication number: 20230318203
    Abstract: A wiring board includes a substrate, a wiring pattern area arranged on the substrate and including pieces of wiring, and a plurality of dummy pattern areas arranged around the wiring pattern area and electrically independent of the wiring. An aperture ratio of a first dummy pattern area, which is located next to the wiring pattern area, is not lower than an aperture ratio of the wiring pattern area. In addition, an aperture ratio of a second dummy pattern area, which is located next to the first dummy pattern area and farther from the wiring pattern area than the first dummy pattern area is, is higher than the aperture ratio of the first dummy pattern area.
    Type: Application
    Filed: October 4, 2021
    Publication date: October 5, 2023
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Kazuki KINOSHITA, Keita IIMURA, Seiji TAKE, Shuji KAWAGUCHI, Masashi SAKAKI
  • Publication number: 20230253708
    Abstract: A wiring board (10) includes a substrate (11) and a mesh wiring layer (20) disposed on the substrate (11) and including a plurality of wiring lines (21, 22). The substrate (11) has a transmittance of 85% or more for light with a wavelength of 380 nm or more and 750 nm or less. Each of the wiring lines (21, 22) includes a metal layer (27) and a blackened layer (28) disposed on the metal layer (27). The blackened layer (28) has a thickness (T2) of 5 nm or more and 100 nm or less.
    Type: Application
    Filed: April 9, 2021
    Publication date: August 10, 2023
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Seiji TAKE, Shuji KAWAGUCHI, Chiaki HATSUTA
  • Patent number: 11705624
    Abstract: A wiring board includes: a substrate having transparency; a plurality of first wirings which are arranged on an upper surface of the substrate and extend in a first direction and each of which has a back surface in contact with the substrate and a front surface facing an opposite side of the back surface; and has a back surface in contact with the substrate and a front surface facing an opposite side of the back surface. The first wiring has a pair of side surfaces which extend in the first direction and are adjacent to the back surface of the first wiring, and each of the pair of side surfaces of the second wiring is recessed inward. The second wiring has a pair of side surfaces which extend in the second direction and are adjacent to the back surface of the second wiring.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: July 18, 2023
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Koichi Suzuki, Seiji Take, Daisuke Matsuura
  • Publication number: 20230062683
    Abstract: A wiring board (10) includes a substrate (11) and a mesh wiring layer (20) disposed on the substrate (11) and including a plurality of wiring lines (21, 22). The substrate (11) has a transmittance of 85% or more for light with a wavelength of 400 nm or more and 700 nm or less. The wiring lines (21, 22) have a surface roughness Ra, and the surface roughness Ra is 100 nm or less.
    Type: Application
    Filed: April 28, 2021
    Publication date: March 2, 2023
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Seiji TAKE, Shuji KAWAGUCHI, Chiaki HATSUTA
  • Publication number: 20220201838
    Abstract: A wiring board (10) includes a substrate (11) that is transparent, a wiring pattern region (20) disposed on the substrate (11) and having first-direction wiring lines (21), and a feeding unit (40) electrically connected to the first-direction wiring lines (21) of the wiring pattern region (20). Each first-direction wiring line (21) has a first region (26) positioned near the feeding unit (40) and a second region (27) that is a region other than the first region (26). A line width (W3) of the first-direction wiring line (21) in the first region (26) is larger than a line width (W1) of the first-direction wiring line (21) in the second region (27).
    Type: Application
    Filed: April 21, 2020
    Publication date: June 23, 2022
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Koichi SUZUKI, Seiji TAKE, Daisuke MATSUURA
  • Publication number: 20220037777
    Abstract: A wiring board (10) includes a substrate (11) that is transparent and a wiring pattern region (20) that is disposed on the substrate (11) and that includes a plurality of wiring lines (21, 22). The wiring pattern region (20) has a sheet resistance of less than or equal to 5 ?/sq, and each wiring line (21, 22) has a maximum width of less than or equal to 3 ?m when viewed at a viewing angle of 120°.
    Type: Application
    Filed: September 19, 2019
    Publication date: February 3, 2022
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Koichi SUZUKI, Seiji TAKE, Daisuke MATSUURA
  • Publication number: 20200373653
    Abstract: A wiring board includes: a substrate having transparency; a plurality of first wirings which are arranged on an upper surface of the substrate and extend in a first direction and each of which has a back surface in contact with the substrate and a front surface facing an opposite side of the back surface; and has a back surface in contact with the substrate and a front surface facing an opposite side of the back surface. The first wiring has a pair of side surfaces which extend in the first direction and are adjacent to the back surface of the first wiring, and each of the pair of side surfaces of the second wiring is recessed inward. The second wiring has a pair of side surfaces which extend in the second direction and are adjacent to the back surface of the second wiring.
    Type: Application
    Filed: November 29, 2018
    Publication date: November 26, 2020
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Koichi SUZUKI, Seiji TAKE, Daisuke MATSUURA
  • Patent number: 9155159
    Abstract: A QD protecting material having high compatibility with a binder component in a luminescent layer. The luminescent layer contains, as a part of its chemical structure, a compound containing a moiety A having a sum atomic weight MA of 100 or more and quantum dots protected by a protecting material, the protecting material contains, as a part of its chemical structure, a linking group connected to a quantum dot surface and a moiety B that has a sum atomic weight MB of 100 or more, satisfies a relationship between MB and MA represented by |MA?MB|/MB (2, and satisfies the requirement that the sum atomic weight MB is larger than one-third of the molecular weight of the protecting material, and a solubility parameter SA of the moiety A and a solubility parameter SB of the moiety B satisfy a relationship represented by |SA (SB| (2.
    Type: Grant
    Filed: September 29, 2008
    Date of Patent: October 6, 2015
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Masato Okada, Shigehiro Ueno, Tomonori Akai, Masaya Shimogawara, Seiji Take
  • Patent number: 9102872
    Abstract: Disclosed is a device material for a hole injection transport layer. A fluorine-containing organic compound is attached to the surface of a transition metal-containing nanoparticle or nanocluster which contains at least a transition metal oxide. Also disclosed are a device and an ink for a hole injection transport layer, the device and ink including the device material each, and a method for producing the device.
    Type: Grant
    Filed: July 29, 2010
    Date of Patent: August 11, 2015
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Shigehiro Ueno, Masato Okada, Yosuke Taguchi, Seiji Take, Masaya Shimogawara, Nanae Tagaya
  • Patent number: 8785921
    Abstract: A device capable of having an easy production process and achieving a long lifetime. The device has a substrate, two or more electrodes facing each other disposed on the substrate and a positive hole injection transport layer disposed between two electrodes among the two or more electrodes. The positive hole injection transport layer has a transition metal-containing nanoparticle containing at least a transition metal compound including a transition metal oxide, a transition metal and a protecting agent, or at least the transition metal compound including the transition metal oxide, and the protecting agent.
    Type: Grant
    Filed: April 28, 2009
    Date of Patent: July 22, 2014
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Shigehiro Ueno, Keisuke Hashimoto, Masato Okada, Seiji Take, Yosuke Taguchi, Masataka Kano, Shin-ya Fujimoto
  • Patent number: 8778233
    Abstract: The present invention is to provide a device capable of having an easy production process and achieving a long lifetime. A device comprising a substrate, two or more electrodes facing each other disposed on the substrate and a positive hole injection transport layer disposed between two electrodes among the two or more electrodes, wherein the positive hole injection transport layer comprises a transition metal-containing nanoparticle containing at least a transition metal compound including a transition metal oxide, a transition metal and a protecting agent, or at least the transition metal compound including the transition metal oxide, and the protecting agent.
    Type: Grant
    Filed: April 30, 2012
    Date of Patent: July 15, 2014
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Shigehiro Ueno, Keisuke Hashimoto, Masato Okada, Seiji Take, Yosuke Taguchi, Masataka Kano, Shin-ya Fujimoto
  • Patent number: 8673185
    Abstract: The present invention is to provide a device capable of having an easy production process and achieving a long lifetime. A device comprising a substrate, two or more electrodes facing each other disposed on the substrate and a positive hole injection transport layer disposed between two electrodes among the two or more electrodes, wherein the positive hole injection transport layer comprises a transition metal-containing nanoparticle containing at least a transition metal compound including a transition metal oxide, a transition metal and a protecting agent, or at least the transition metal compound including the transition metal oxide, and the protecting agent.
    Type: Grant
    Filed: April 30, 2012
    Date of Patent: March 18, 2014
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Shigehiro Ueno, Keisuke Hashimoto, Masato Okada, Seiji Take, Yosuke Taguchi, Masataka Kano, Shin-ya Fujimoto
  • Publication number: 20120211705
    Abstract: The present invention is to provide a device capable of having an easy production process and achieving a long lifetime. A device comprising a substrate, two or more electrodes facing each other disposed on the substrate and a positive hole injection transport layer disposed between two electrodes among the two or more electrodes, wherein the positive hole injection transport layer comprises a transition metal-containing nanoparticle containing at least a transition metal compound including a transition metal oxide, a transition metal and a protecting agent, or at least the transition metal compound including the transition metal oxide, and the protecting agent.
    Type: Application
    Filed: April 30, 2012
    Publication date: August 23, 2012
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Shigehiro UENO, Keisuke HASHIMOTO, Masato OKADA, Seiji TAKE, Yosuke TAGUCHI, Masataka KANO, Shin-ya FUJIMOTO
  • Publication number: 20120119200
    Abstract: Disclosed is a device material for a hole injection transport layer. A fluorine-containing organic compound is attached to the surface of a transition metal-containing nanoparticle or nanocluster which contains at least a transition metal oxide. Also disclosed are a device and an ink for a hole injection transport layer, the device and ink including the device material each, and a method for producing the device.
    Type: Application
    Filed: July 29, 2010
    Publication date: May 17, 2012
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Shigehiro Ueno, Masato Okada, Yosuke Taguchi, Seiji Take, Masaya Shimogawara, Nanae Tagaya
  • Publication number: 20110163327
    Abstract: A device capable of having an easy production process and achieving a long lifetime. The device has a substrate, two or more electrodes facing each other disposed on the substrate and a positive hole injection transport layer disposed between two electrodes among the two or more electrodes. The positive hole injection transport layer has a transition metal-containing nanoparticle containing at least a transition metal compound including a transition metal oxide, a transition metal and a protecting agent, or at least the transition metal compound including the transition metal oxide, and the protecting agent.
    Type: Application
    Filed: April 28, 2009
    Publication date: July 7, 2011
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Shigehiro Ueno, Keisuke Hashimoto, Masato Okada, Seiji Take, Yosuke Taguchi, Masataka Kano, Shin-ya Fujimoto
  • Publication number: 20100237322
    Abstract: A QD protecting material having high compatibility with a binder component in a luminescent layer. The luminescent layer contains, as a part of its chemical structure, a compound containing a moiety A having a sum atomic weight MA of 100 or more and quantum dots protected by a protecting material, the protecting material contains, as a part of its chemical structure, a linking group connected to a quantum dot surface and a moiety B that has a sum atomic weight MB of 100 or more, satisfies a relationship between MB and MA represented by |MA?MB|/MB (2, and satisfies the requirement that the sum atomic weight MB is larger than one-third of the molecular weight of the protecting material, and a solubility parameter SA of the moiety A and a solubility parameter SB of the moiety B satisfy a relationship represented by |SA (SB| (2.
    Type: Application
    Filed: September 29, 2008
    Publication date: September 23, 2010
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Masato Okada, Shigehiro Ueno, Tomonori Akai, Masaya Shimogawara, Seiji Take
  • Publication number: 20090007726
    Abstract: The main object of the present invention is to provide an InSb nanoparticle to be dispersed independently, InSb nanoparticle dispersion and a method for producing an InSb nanoparticle. The object of the present invention is achieved by providing an InSb nanoparticle having an average particle size in a range of 2 nm to 200 nm, capable of being dispersed and to be dispersed independently in a dispersion medium.
    Type: Application
    Filed: April 24, 2008
    Publication date: January 8, 2009
    Inventor: Seiji TAKE