Patents by Inventor Ryoko Takagi

Ryoko Takagi 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).

  • Patent number: 7993806
    Abstract: A transfer substrate is provided with a photothermal conversion layer and a transfer layer formed in this order on a base substrate. The transfer layer is formed of an organic material selected from the group including a first organic material, which has a weight decrease initiation temperature (Tsub) of lower than 500° C. and sublimates under atmospheric pressure, and a second organic material, which has a weight decrease initiation temperature (Tsub) of lower than 500° C. and satisfies the following inequality: Tsub?Tm<200° C. (Tsub: the weight decrease initiation temperature of the second organic material, and Tm: a melting point of the second organic material). Also disclosed is a process for fabricating organic electroluminescent devices by using the transfer substrate.
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: August 9, 2011
    Assignee: Sony Corporation
    Inventors: Ryoko Takagi, Shigeyuki Matsunami, Yasunori Kijima
  • Publication number: 20080241768
    Abstract: A transfer substrate is provided with a photothermal conversion layer and a transfer layer formed in this order on a base substrate. The transfer layer is formed of an organic material selected from the group including a first organic material, which has a weight decrease initiation temperature (Tsub) of lower than 500° C. and sublimates under atmospheric pressure, and a second organic material, which has a weight decrease initiation temperature (Tsub) of lower than 500° C. and satisfies the following inequality: Tsub?Tm<200° C. (Tsub: the weight decrease initiation temperature of the second organic material, and Tm: a melting point of the second organic material). Also disclosed is a process for fabricating organic electroluminescent devices by using the transfer substrate.
    Type: Application
    Filed: March 31, 2008
    Publication date: October 2, 2008
    Applicant: SONY CORPORATION
    Inventors: Ryoko TAKAGI, Shigeyuki MATSUNAMI, Yasunori KIJIMA
  • Publication number: 20080018239
    Abstract: Disclosed herein a display including: a plurality of organic electroluminescent elements configured to be arranged over a substrate and be each obtained by depositing a lower electrode, an organic layer including at least a light-emitting layer, and an upper electrode in that order, the organic layer of each of the organic electroluminescent elements being adjusted to have a film thickness that allows resonance of a wavelength of luminescent light generated in the light-emitting layer, wherein the film thickness of the organic layer in a first organic electroluminescent element that generates luminescent light having a shortest wavelength among the plurality of organic electroluminescent elements is set larger than the film thickness of the organic layer in a second organic electroluminescent element that generates luminescent light having a wavelength longer than the shortest wavelength of luminescent light generated in the first organic electroluminescent element.
    Type: Application
    Filed: July 13, 2007
    Publication date: January 24, 2008
    Applicant: SONY CORPORATION
    Inventors: Eisuke Matsuda, Ryoko Takagi