Patents by Inventor Zaiyuan Ren

Zaiyuan Ren 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: 20130342133
    Abstract: Solid state lighting devices that can produce white light without a phosphor are disclosed herein. In one embodiment, a solid state lighting device includes a first semiconductor material, a second semiconductor material spaced apart from the first semiconductor material, and an active region between the first and second semiconductor materials. The active region includes a first sub-region having a first center wavelength and a second sub-region having a second center wavelength different from the first center wavelength.
    Type: Application
    Filed: August 27, 2013
    Publication date: December 26, 2013
    Applicant: MICRON TECHNOLOGY, INC.
    Inventors: Zaiyuan Ren, Thomas Gehrke
  • Publication number: 20130288416
    Abstract: Solid state lighting devices and associated methods of manufacturing are disclosed herein. In one embodiment, a solid state light device includes a light emitting diode with an N-type gallium nitride (GaN) material, a P-type GaN material spaced apart from the N-type GaN material, and an indium gallium nitride (InGaN) material directly between the N-type GaN material and the P-type GaN material. At least one of the N-type GaN, InGaN, and P-type GaN materials has a non-planar surface.
    Type: Application
    Filed: June 26, 2013
    Publication date: October 31, 2013
    Inventors: Niraj Rana, Zaiyuan Ren
  • Publication number: 20130252365
    Abstract: Solid state lighting devices grown on semi-polar facets and associated methods of manufacturing are disclosed herein. In one embodiment, a solid state light device includes a light emitting diode with an N-type gallium nitride (“GaN”) material, a P-type GaN material spaced apart from the N-type GaN material, and an indium gallium nitride (“InGaN”)/GaN multi quantum well (“MQW”) active region directly between the N-type GaN material and the P-type GaN material. At least one of the N-type GaN, InGaN/GaN MQW, and P-type GaN materials is grown a semi-polar sidewall.
    Type: Application
    Filed: May 20, 2013
    Publication date: September 26, 2013
    Applicant: MICRON TECHNOLOGY, INC.
    Inventors: Lifang Xu, Zaiyuan Ren
  • Patent number: 8525148
    Abstract: Solid state lighting devices that can produce white light without a phosphor are disclosed herein. In one embodiment, a solid state lighting device includes a first semiconductor material, a second semiconductor material spaced apart from the first semiconductor material, and an active region between the first and second semiconductor materials. The active region includes a first sub-region having a first center wavelength and a second sub-region having a second center wavelength different from the first center wavelength.
    Type: Grant
    Filed: July 16, 2010
    Date of Patent: September 3, 2013
    Assignee: Micron Technology, Inc.
    Inventors: Zaiyuan Ren, Thomas Gehrke
  • Patent number: 8476640
    Abstract: Solid state lighting devices and associated methods of manufacturing are disclosed herein. In one embodiment, a solid state light device includes a light emitting diode with an N-type gallium nitride (GaN) material, a P-type GaN material spaced apart from the N-type GaN material, and an indium gallium nitride (InGaN) material directly between the N-type GaN material and the P-type GaN material. At least one of the N-type GaN, InGaN, and P-type GaN materials has a non-planar surface.
    Type: Grant
    Filed: March 5, 2012
    Date of Patent: July 2, 2013
    Assignee: Micron Technology, Inc.
    Inventors: Niraj Rana, Zaiyuan Ren
  • Patent number: 8445890
    Abstract: Solid state lighting devices grown on semi-polar facets and associated methods of manufacturing are disclosed herein. In one embodiment, a solid state light device includes a light emitting diode with an N-type gallium nitride (“GaN”) material, a P-type GaN material spaced apart from the N-type GaN material, and an indium gallium nitride (“InGaN”)/GaN multi quantum well (“MQW”) active region directly between the N-type GaN material and the P-type GaN material. At least one of the N-type GaN, InGaN/GaN MQW, and P-type GaN materials is grown a semi-polar sidewall.
    Type: Grant
    Filed: March 9, 2010
    Date of Patent: May 21, 2013
    Assignee: Micron Technology, Inc.
    Inventors: Lifang Xu, Zaiyuan Ren
  • Patent number: 8390010
    Abstract: Solid state lighting (“SSL”) devices with cellular arrays and associated methods of manufacturing are disclosed herein. In one embodiment, a light emitting diode includes a semiconductor material having a first surface and a second surface opposite the first surface. The semiconductor material has an aperture extending into the semiconductor material from the first surface. The light emitting diode also includes an active region in direct contact with the semiconductor material, and at least a portion of the active region is in the aperture of the semiconductor material.
    Type: Grant
    Filed: March 25, 2010
    Date of Patent: March 5, 2013
    Assignee: Micron Technology, Inc.
    Inventors: Scott Sills, Lifang Xu, Scott Schellhammer, Thomas Gehrke, Zaiyuan Ren, Anton De Villiers
  • Publication number: 20130005065
    Abstract: Solid state lighting (“SSL”) devices with cellular arrays and associated methods of manufacturing are disclosed herein. In one embodiment, a light emitting diode includes a semiconductor material having a first surface and a second surface opposite the first surface. The semiconductor material has an aperture extending into the semiconductor material from the first surface. The light emitting diode also includes an active region in direct contact with the semiconductor material, and at least a portion of the active region is in the aperture of the semiconductor material.
    Type: Application
    Filed: September 12, 2012
    Publication date: January 3, 2013
    Applicant: Micron Technology, Inc.
    Inventors: Scott Sills, Lifang Xu, Scott Schellhammer, Thomas Gehrke, Zaiyuan Ren, Anton De Villiers
  • Publication number: 20120161151
    Abstract: Solid state lighting devices and associated methods of manufacturing are disclosed herein. In one embodiment, a solid state light device includes a light emitting diode with an N-type gallium nitride (GaN) material, a P-type GaN material spaced apart from the N-type GaN material, and an indium gallium nitride (InGaN) material directly between the N-type GaN material and the P-type GaN material. At least one of the N-type GaN, InGaN, and P-type GaN materials has a non-planar surface.
    Type: Application
    Filed: March 5, 2012
    Publication date: June 28, 2012
    Applicant: MICRON TECHNOLOGY, INC.
    Inventors: Niraj Rana, Zaiyuan Ren
  • Patent number: 8129205
    Abstract: Solid state lighting devices and associated methods of manufacturing are disclosed herein. In one embodiment, a solid state light device includes a light emitting diode with an N-type gallium nitride (GaN) material, a P-type GaN material spaced apart from the N-type GaN material, and an indium gallium nitride (InGaN) material directly between the N-type GaN material and the P-type GaN material. At least one of the N-type GaN, InGaN, and P-type GaN materials has a non-planar surface.
    Type: Grant
    Filed: January 25, 2010
    Date of Patent: March 6, 2012
    Assignee: Micron Technology, Inc.
    Inventors: Niraj Rana, Zaiyuan Ren
  • Publication number: 20120013273
    Abstract: Solid state lighting devices that can produce white light without a phosphor are disclosed herein. In one embodiment, a solid state lighting device includes a first semiconductor material, a second semiconductor material spaced apart from the first semiconductor material, and an active region between the first and second semiconductor materials. The active region includes a first sub-region having a first center wavelength and a second sub-region having a second center wavelength different from the first center wavelength.
    Type: Application
    Filed: July 16, 2010
    Publication date: January 19, 2012
    Applicant: MICRON TECHNOLOGY, INC.
    Inventors: Zaiyuan Ren, Thomas Gehrke
  • Publication number: 20110233581
    Abstract: Solid state lighting (“SSL”) devices with cellular arrays and associated methods of manufacturing are disclosed herein. In one embodiment, a light emitting diode includes a semiconductor material having a first surface and a second surface opposite the first surface. The semiconductor material has an aperture extending into the semiconductor material from the first surface. The light emitting diode also includes an active region in direct contact with the semiconductor material, and at least a portion of the active region is in the aperture of the semiconductor material.
    Type: Application
    Filed: March 25, 2010
    Publication date: September 29, 2011
    Applicant: MICRON TECHNOLOGY, INC.
    Inventors: Scott Sills, Lifang Xu, Scott Schellhammer, Thomas Gehrke, Zaiyuan Ren, Anton De Villiers
  • Publication number: 20110220866
    Abstract: Solid state lighting devices grown on semi-polar facets and associated methods of manufacturing are disclosed herein. In one embodiment, a solid state light device includes a light emitting diode with an N-type gallium nitride (“GaN”) material, a P-type GaN material spaced apart from the N-type GaN material, and an indium gallium nitride (“InGaN”)/GaN multi quantum well (“MQW”) active region directly between the N-type GaN material and the P-type GaN material. At least one of the N-type GaN, InGaN/GaN MQW, and P-type GaN materials is grown a semi-polar sidewall.
    Type: Application
    Filed: March 9, 2010
    Publication date: September 15, 2011
    Applicant: MICRON TECHNOLOGY, INC.
    Inventors: Lifang Xu, Zaiyuan Ren
  • Publication number: 20110210353
    Abstract: Light emitting diodes (“LEDs”) with N-polarity and associated methods of manufacturing are disclosed herein. In one embodiment, a method for forming a light emitting diode on a substrate having a substrate material includes forming a nitrogen-rich environment at least proximate a surface of the substrate without forming a nitrodizing product of the substrate material on the surface of the substrate. The method also includes forming an LED structure with a nitrogen polarity on the surface of the substrate with a nitrogen-rich environment.
    Type: Application
    Filed: February 26, 2010
    Publication date: September 1, 2011
    Applicant: MICRON TECHNOLOGY, INC.
    Inventors: Zaiyuan Ren, Thomas Gehrke
  • Publication number: 20110193115
    Abstract: Light emitting diodes and associated methods of manufacturing are disclosed herein. In one embodiment, a light emitting diode (LED) includes a substrate, a semiconductor material carried by the substrate, and an active region proximate to the semiconductor material. The semiconductor material has a first surface proximate to the substrate and a second surface opposite the first surface. The second surface of the semiconductor material is generally non-planar, and the active region generally conforms to the non-planar second surface of the semiconductor material.
    Type: Application
    Filed: February 10, 2010
    Publication date: August 11, 2011
    Applicant: MICRON TECHNOLOGY, INC.
    Inventors: Scott Schellhammer, Scott Sills, Lifang Xu, Thomas Gehrke, Zaiyuan Ren, Anton De Villiers
  • Publication number: 20110180828
    Abstract: Solid state lighting devices and associated methods of manufacturing are disclosed herein. In one embodiment, a solid state light device includes a light emitting diode with an N-type gallium nitride (GaN) material, a P-type GaN material spaced apart from the N-type GaN material, and an indium gallium nitride (InGaN) material directly between the N-type GaN material and the P-type GaN material. At least one of the N-type GaN, InGaN, and P-type GaN materials has a non-planar surface.
    Type: Application
    Filed: January 25, 2010
    Publication date: July 28, 2011
    Applicant: MICRON TECHNOLOGY, INC.
    Inventors: Niraj Rana, Zaiyuan Ren