Patents by Inventor Shihe Xu

Shihe Xu 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: 7915809
    Abstract: The present invention provides an electrophosphorescent organic light-emitting diode (OLED). The electrophosphorescent OLED includes a substrate having a first opposing surface and a second opposing surface, a first electrode layer overlying the first opposing surface, and a light-emitting element overlying the first electrode layer. The light emitting element includes a hole injection layer and a phosphorescent emissive layer. The hole injection layer is formed of a crosslinked polysiloxane, which includes at least one siloxane unit R—Y—Si?3/2 having at least one aromatic amine group (R) and at least one divalent organic group (Y). The aromatic amine group includes at least one of a carbazolyl group, a substituted carbazolyl group, a triarylamine group, and a substituted triarylamine group.
    Type: Grant
    Filed: August 24, 2006
    Date of Patent: March 29, 2011
    Assignee: Dow Corning Corporation
    Inventors: Shihe Xu, Masaaki Amako, Paul Schalk, Toshio Suzuki
  • Publication number: 20090026931
    Abstract: The present invention provides a fluorescent organic light-emitting diode (OLED). The fluorescent organic light-emitting diode includes a substrate (205) having a first and second surface, a first electrode layer (200) overlying the first surface, and a light-emitting element overlying the first electrode layer. The light emitting element includes a hole injection layer (225) and a fluorescent emissive layer (240). The hole injection layer includes a crosslinked polysiloxane, the crosslinked polysiloxane having at least one siloxane unit R—Y—SiO3/2 that includes at least one aromatic amine group (R) and at least one divalent organic group (Y). The aromatic amine group includes at least one of a carbazolyl group, a substituted carbazolyl group, a triarylamine group, and a substituted triarylamine group.
    Type: Application
    Filed: January 10, 2007
    Publication date: January 29, 2009
    Inventors: Shihe Xu, Paul Schalk
  • Publication number: 20080303421
    Abstract: The present invention provides an electrophosphorescent organic light-emitting diode (OLED). The electrophosphorescent OLED includes a substrate having a first opposing surface and a second opposing surface, a first electrode layer overlying the first opposing surface, and a light-emitting element overlying the first electrode layer. The light emitting element includes a hole injection layer and a phosphorescent emissive layer. The hole injection layer is formed of a crosslinked polysiloxane, which includes at least one siloxane unit R—Y—Si?3/2 having at least one aromatic amine group (R) and at least one divalent organic group (Y). The aromatic amine group includes at least one of a carbazolyl group, a substituted carbazolyl group, a triarylamine group, and a substituted triarylamine group.
    Type: Application
    Filed: August 24, 2006
    Publication date: December 11, 2008
    Inventors: Shihe Xu, Masaaki Amako, Paul Schalk, Toshio Suzuki
  • Publication number: 20080061679
    Abstract: Carbazolyl-functional polysiloxane resins containing N-carbazolylalkyl groups, a silicone composition containing a carbazolyl-functional polysiloxane resin, a cured carbazolyl-functional polysiloxane prepared by curing the silence composition, and an organic light-emitting diode (OLED) containing a carbazolyl-functional polysiloxane.
    Type: Application
    Filed: June 29, 2004
    Publication date: March 13, 2008
    Inventor: Shihe Xu
  • Publication number: 20080007158
    Abstract: Linear polysiloxanes and more particularly to linear polysiloxanes containing N-carbazolylalkyl groups and (diarylamino)phenyl groups. The present invention also relates to a silicone composition containing a linear polysiloxane and an organic light-emitting diode (OLED) containing a linear polysiloxane or a cured polysiloxane.
    Type: Application
    Filed: April 8, 2005
    Publication date: January 10, 2008
    Inventors: Omar Farooq, Shihe Xu, Paul Schalk, Toshio Suzuki
  • Publication number: 20070131925
    Abstract: An organic light-emitting diode comprising a substrate having a first opposing surface and a second opposing surface; a first electrode layer overlying the first opposing surface; a lightemitting element overlying the first electrode layer, the light-emitting element comprising a hole-transport layer and an emissive/electron-transport layer, wherein the hole-transport layer and the emissive/electron-transport layer lie directly on one another, and the hole-transport layer comprises a cured polysiloxane prepared by applying a silicone composition to form a film and curing the film, wherein the silicone composition comprises a polysiloxane having a group selected from carbazolyl, fluoroalkyl, and pentafluorophenylalkyl; and a second electrode layer overlying the light-emitting element.
    Type: Application
    Filed: January 18, 2005
    Publication date: June 14, 2007
    Inventors: Paul Shalk, Toshio Suzuki, Shihe Xu
  • Publication number: 20070090359
    Abstract: An organic light-emitting diode comprising a substrate having a first opposing surface and a second opposing surface; a first electrode layer overlying the first opposing surface; a light-emitting element overlying the first electrode layer, the light-emitting element comprising a hole-transport layer and an emissive/electron-transport layer, wherein the hole-transport layer and the emissive/electron-transport layer lie directly on one another, and the hole-transport layer comprises a cured polysiloxane prepared by applying an organosilicon composition to form a film and exposing the film to moisture to form the cured polysiloxane, wherein the organosilicon composition comprises at least one silane having a group selected from carbazolyl, fluoroalkyl, and pentafluorophenylalkyl; and a second electrode layer overlying the light-emitting element.
    Type: Application
    Filed: January 18, 2005
    Publication date: April 26, 2007
    Inventors: Paul Schalk, Shihe Xu
  • Publication number: 20060232201
    Abstract: A curable carbazolyl-functional cyclosiloxane containing N-carbazolylalkyl groups and hydrolysable groups, a silicone composition containing the curable carbazolyl-functional cyclosiloxane, a cured carbazolyl-functional polysiloxane prepared by curing the silicone composition, and an organic light-emitting diode (OLED) containing a carbazolyl-functional polysiloxane.
    Type: Application
    Filed: June 28, 2004
    Publication date: October 19, 2006
    Applicant: DOW CORNING CORPORATION
    Inventor: Shihe Xu
  • Publication number: 20060202166
    Abstract: Carbazolyl-functional linear polysiloxanes containing N-carbazolylalkyl groups and hydrolysable groups, a silicone composition containing a carbazolyl-functional linear polysiloxane, a curd carbazolyl-functional polysiloxane prepared by curing the silicone composition, and an organic light-emitting diode (OLED) containing a carbazolyl-functional polysiloxane.
    Type: Application
    Filed: June 28, 2004
    Publication date: September 14, 2006
    Applicant: DOW CORNING CORPORATION
    Inventors: Toshio Suzuki, Shihe Xu
  • Patent number: 5922108
    Abstract: A method of removing or recovering a volatile organopolysiloxane such as octamethylcyclotetrasiloxane (D.sub.4) from a fluid stream such as air, containing the volatile organopolysiloxane and a hydrocarbon, for example, by adsorbing the volatile organopolysiloxane on dry soil contained in a column, and allowing the remainder of the fluid stream including the hydrocarbon to pass through the column. The dry soil containing the adsorbed volatile organopolysiloxane and any degradation product(s) is then wetted by passing moist air, water, or steam, through the column to desorb, vaporize, and remove the volatile organopolysiloxane from the column. The column containing the wet soil can then be regenerated by air drying the wet soil, and the separating cycle is repeated.
    Type: Grant
    Filed: April 11, 1997
    Date of Patent: July 13, 1999
    Assignee: Dow Corning Corporation
    Inventors: Robert Gearey Lehmann, Shihe Xu