Patents by Inventor Jennhua FU

Jennhua FU 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: 9425361
    Abstract: A light-emitting device comprises a light-emitting stack comprising a first surface and a second surface opposite to the first surface; a first electrode formed on the second surface of the light-emitting stack; a current blocking layer formed on the first surface of the light-emitting stack and corresponding to a location of the first electrode; and a second electrode covering the current blocking layer and comprising a plurality of first metal layers and a plurality of second metal layers alternating with the plurality of first metal layers, wherein the plurality of first metal layers is discontinuous.
    Type: Grant
    Filed: January 25, 2016
    Date of Patent: August 23, 2016
    Assignee: EPISTAR CORPORATION
    Inventors: Chi Hao Huang, Siou Huang Liou, Tz Chiang Yu, Jennhua Fu
  • Publication number: 20160141458
    Abstract: A light-emitting device comprises a light-emitting stack comprising a first surface and a second surface opposite to the first surface; a first electrode formed on the second surface of the light-emitting stack; a current blocking layer formed on the first surface of the light-emitting stack and corresponding to a location of the first electrode; and a second electrode covering the current blocking layer and comprising a plurality of first metal layers and a plurality of second metal layers alternating with the plurality of first metal layers, wherein the plurality of first metal layers is discontinuous.
    Type: Application
    Filed: January 25, 2016
    Publication date: May 19, 2016
    Inventors: Chi Hao HUANG, Siou Huang LIOU, Tz Chiang YU, Jennhua FU
  • Patent number: 9263643
    Abstract: A light-emitting device includes: a light-emitting stack including a first surface and a second surface opposite to the first surface, wherein the light-emitting stack emits a light having a wavelength between 365 nm and 550 nm; and a first electrode formed on the first surface and comprising a first metal layer and a second metal layer alternating with the first metal layer, wherein the first electrode has a reflectivity larger than 95% for reflecting the light, and the second metal layer has a higher reflectivity index relative to the light than that of the first metal layer.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: February 16, 2016
    Assignee: EPISTAR CORPORATION
    Inventors: Chi Hao Huang, Siou Huang Liou, Tz Chiang Yu, Jennhua Fu
  • Publication number: 20150287886
    Abstract: A light-emitting device includes: a light-emitting stack including a first surface and a second surface opposite to the first surface, wherein the light-emitting stack emits a light having a wavelength between 365 nm and 550 nm; and a first electrode formed on the first surface and comprising a first metal layer and a second metal layer alternating with the first metal layer, wherein the first electrode has a reflectivity larger than 95% for reflecting the light, and the second metal layer has a higher reflectivity index relative to the light than that of the first metal.
    Type: Application
    Filed: April 8, 2015
    Publication date: October 8, 2015
    Inventors: Chi Hao HUANG, Siou Huang LIOU, Tz Chiang YU, Jennhua FU