Patents by Inventor Li-Ping Jou

Li-Ping Jou 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: 20140054631
    Abstract: An LED array having N light-emitting diode units (N?3) comprises a permanent substrate, a bonding layer on the permanent substrate, a second conductive layer on the bonding layer, a second isolation layer on the second conductive layer, a crossover metal layer on the second isolation layer, a first isolation layer on the crossover metal layer, a conductive connecting layer on the first isolation layer, an epitaxial structure on the conductive connecting layer, and a first electrode layer on the epitaxial structure. The light-emitting diode units are electrically connected with each other by the crossover metal layer.
    Type: Application
    Filed: October 28, 2013
    Publication date: February 27, 2014
    Applicant: Epistar Corporation
    Inventors: Li-Ping JOU, Yu-Chen YANG, Jui-Hung YEH
  • Patent number: 8598614
    Abstract: A light-emitting device of an embodiment of the present application comprises a semiconductor layer sequence provided with a first main side, a second main side, and an active layer; a beveled trench formed in the semiconductor layer sequence, having a top end close to the second main side, a bottom end, and an inner sidewall connecting the top end and the bottom end. In the embodiment, the inner sidewall is an inclined surface. The light-emitting device further comprises a dielectric layer disposed on the inner sidewall of the beveled trench and the second main side; a first metal layer formed on the dielectric layer; a carrier substrate; and a first connection layer connecting the carrier substrate and the semiconductor layer sequence.
    Type: Grant
    Filed: August 30, 2011
    Date of Patent: December 3, 2013
    Assignee: Epistar Corporation
    Inventors: Chao-Hsing Chen, Yu-Chen Yang, Li-Ping Jou, Hui-Chun Yeh, Yi-Wen Ku
  • Patent number: 8569775
    Abstract: An LED array having N light-emitting diode units (N?3) comprises a permanent substrate, a bonding layer on the permanent substrate, a second conductive layer on the bonding layer, a second isolation layer on the second conductive layer, a crossover metal layer on the second isolation layer, a first isolation layer on the crossover metal layer, a conductive connecting layer on the first isolation layer, an epitaxial structure on the conductive connecting layer, and a first electrode layer on the epitaxial structure. The light-emitting diode units are electrically connected with each other by the crossover metal layer.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: October 29, 2013
    Assignee: Epistar Corporation
    Inventors: Li-Ping Jou, Yu-Chen Yang, Jui-Hung Yeh
  • Publication number: 20120241783
    Abstract: An LED array having N light-emitting diode units (N?3) comprises a permanent substrate, a bonding layer on the permanent substrate, a second conductive layer on the bonding layer, a second isolation layer on the second conductive layer, a crossover metal layer on the second isolation layer, a first isolation layer on the crossover metal layer, a conductive connecting layer on the first isolation layer, an epitaxial structure on the conductive connecting layer, and a first electrode layer on the epitaxial structure. The light-emitting diode units are electrically connected with each other by the crossover metal layer.
    Type: Application
    Filed: March 23, 2012
    Publication date: September 27, 2012
    Applicant: Epistar Corporation
    Inventors: Li-Ping Jou, Yu-Chen Yang, Jui-Hung Yeh
  • Publication number: 20120049227
    Abstract: A light-emitting device of an embodiment of the present application comprises a semiconductor layer sequence provided with a first main side, a second main side, and an active layer; a beveled trench formed in the semiconductor layer sequence, having a top end close to the second main side, a bottom end, and an inner sidewall connecting the top end and the bottom end. In the embodiment, the inner sidewall is an inclined surface. The light-emitting device further comprises a dielectric layer disposed on the inner sidewall of the beveled trench and the second main side; a first metal layer formed on the dielectric layer; a carrier substrate; and a first connection layer connecting the carrier substrate and the semiconductor layer sequence.
    Type: Application
    Filed: August 30, 2011
    Publication date: March 1, 2012
    Inventors: Chao-Hsing CHEN, Yu-Chen Yang, Li-Ping Jou, Hui-Chun Yeh, Yi-Wen Ku
  • Publication number: 20110227120
    Abstract: A light-emitting device comprises a substrate, an epitaxial structure formed on the substrate including a first semiconductor layer, a second semiconductor layer, and a light-emitting layer formed between the first semiconductor layer and the second semiconductor layer. A trench is formed in the epitaxial structure to expose a part of side surface of the epitaxial structure and a part of surface of the first semiconductor layer, so that a first conductive structure is formed on the part of surface of the first semiconductor layer in the trench, and a second conductive structure is formed on the second semiconductor layer. The first conductive structure includes a first electrode and a first pad electrically contacted with each other. The second conductive structure includes a second electrode and a second pad electrically contacted with each other. Furthermore, the area of at least one of the first pad and the second pad is between 1.5×104 ?m2 and 6.2×104 ?m2.
    Type: Application
    Filed: June 2, 2011
    Publication date: September 22, 2011
    Inventors: Yu-Chen YANG, Li-Ping Jou, Jui-Hung Yeh, Chien-Fu Shen
  • Publication number: 20080191233
    Abstract: A light-emitting diode and method for manufacturing the same are described. The light-emitting diode comprises: a conductive substrate including a first surface and a second surface on opposite sides; a reflector structure comprising a conductive reflector layer bonding to the first surface of the conductive substrate and a conductive distributed Bragg reflector (DBR) structure stacked on the conductive reflector layer; an illuminant epitaxial structure disposed on the reflector structure; a first electrode disposed on a portion of the illuminant epitaxial structure; and a second electrode bonded to the second surface of the conductive substrate.
    Type: Application
    Filed: December 7, 2007
    Publication date: August 14, 2008
    Applicant: EPISTAR CORPORATION
    Inventors: Yu-Cheng Yang, Cheng-Ta Kuo, Sen-Pin Huang, Li-Ping Jou