Patents by Inventor Tzu-Ghieh HSU
Tzu-Ghieh HSU 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: 10418412Abstract: A semiconductor device, comprises a semiconductor stack comprising a first area and a second area, wherein the second area comprises a first side wall, a first isolation path formed between the first area and the second area, a second isolation path formed in the semiconductor stack, an isolation layer formed in the first isolation path and covering the first side wall, an electrical contact layer formed under the semiconductor stack, and an electrode contact layer directly contacting the electrical contact layer.Type: GrantFiled: July 23, 2018Date of Patent: September 17, 2019Assignee: EPISTAR CORPORATIONInventors: Tsung-Hsien Yang, Han-Min Wu, Jhih-Sian Wang, Yi-Ming Chen, Tzu-Ghieh Hsu
-
Publication number: 20180331151Abstract: A semiconductor device, comprises a semiconductor stack comprising a first area and a second area, wherein the second area comprises a first side wall, a first isolation path formed between the first area and the second area, a second isolation path formed in the semiconductor stack, an isolation layer formed in the first isolation path and covering the first side wall, an electrical contact layer formed under the semiconductor stack, and an electrode contact layer directly contacting the electrical contact layer.Type: ApplicationFiled: July 23, 2018Publication date: November 15, 2018Inventors: Tsung-Hsien YANG, Han-Min WU, Jhih-Sian WANG, Yi-Ming CHEN, Tzu-Ghieh HSU
-
Patent number: 10038030Abstract: A light-emitting diode comprises: a first light-emitting structure, comprising: a first area comprising a side wall; a second area; and a first isolation path having an electrode isolation layer between the first area and the second area, wherein the side wall of the first area is in the first isolation path; an electrode contact layer covering the side wall of the first area, wherein the electrode contact layer is separated from electrode isolation layer; an electrical connecting structure covering the second area; and an electrical contact layer under the electrical connecting structure, wherein the electrical contact layer directly contacts the electrical connecting structure; wherein each of the first area and the second area sequentially comprises a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer.Type: GrantFiled: October 26, 2017Date of Patent: July 31, 2018Assignee: EPISTAR CORPORATIONInventors: Tsung-Hsien Yang, Han-Min Wu, Jhih-Sian Wang, Yi-Ming Chen, Tzu-Ghieh Hsu
-
Publication number: 20180047779Abstract: A light-emitting diode comprises: a first light-emitting structure, comprising: a first area comprising a side wall; a second area; and a first isolation path having an electrode isolation layer between the first area and the second area, wherein the side wall of the first area is in the first isolation path; an electrode contact layer covering the side wall of the first area, wherein the electrode contact layer is separated from electrode isolation layer; an electrical connecting structure covering the second area; and an electrical contact layer under the electrical connecting structure, wherein the electrical contact layer directly contacts the electrical connecting structure; wherein each of the first area and the second area sequentially comprises a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer.Type: ApplicationFiled: October 26, 2017Publication date: February 15, 2018Inventors: Tsung-Hsien YANG, Han-Min WU, Jhih-Sian WANG, Yi-Ming CHEN, Tzu-Ghieh HSU
-
Patent number: 9825087Abstract: A light-emitting diode is provided. The light-emitting diode comprises: a first light-emitting structure, comprising: a first area; a second area; a first isolation path having an electrode isolation layer between the first area and the second area; an electrode contact layer covering the first area; and an electrical connecting structure covering the second area; wherein each of the first area and the second area sequentially comprises a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer, and the electrode contact layer covers a sidewall of the first area.Type: GrantFiled: January 26, 2016Date of Patent: November 21, 2017Assignee: EPISTAR CORPORATIONInventors: Tsung-Hsien Yang, Han-Min Wu, Jhih-Sian Wang, Yi-Ming Chen, Tzu-Ghieh Hsu
-
Publication number: 20160141331Abstract: A light-emitting diode is provided. The light-emitting diode comprises: a first light-emitting structure, comprising: a first area; a second area; a first isolation path having an electrode isolation layer between the first area and the second area; an electrode contact layer covering the first area; and an electrical connecting structure covering the second area; wherein each of the first area and the second area sequentially comprises a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer, and the electrode contact layer covers a sidewall of the first area.Type: ApplicationFiled: January 26, 2016Publication date: May 19, 2016Inventors: Tsung-Hsien YANG, Han-Min WU, Jhih-Sian WANG, Yi-Ming CHEN, Tzu-Ghieh HSU
-
Patent number: 9281443Abstract: The application provides a light-emitting diode array, including: a first light-emitting diode including a first area; a second area; a first isolation path between the first area and the second area, and the first isolation path including an electrode isolation layer; and an electrode contact layer covering the first area; a second light-emitting diode including a semiconductor stack layer; and a second electrical bonding pad on the semiconductor stack layer; and a second isolation path between the first light-emitting diode and the second light-emitting diode, wherein the second isolation path includes an electrical connecting structure electrically connected to the first light-emitting diode and the second light-emitting diode.Type: GrantFiled: August 6, 2013Date of Patent: March 8, 2016Assignee: EPISTAR CORPORATIONInventors: Tsung-Hsien Yang, Han-Min Wu, Jhih-Sian Wang, Yi-Ming Chen, Tzu-Ghieh Hsu
-
Publication number: 20140034977Abstract: The application provides a light-emitting diode array, including: a first light-emitting diode including a first area; a second area; a first isolation path between the first area and the second area, and the first isolation path including an electrode isolation layer; and an electrode contact layer covering the first area; a second light-emitting diode including a semiconductor stack layer; and a second electrical bonding pad on the semiconductor stack layer; and a second isolation path between the first light-emitting diode and the second light-emitting diode, wherein the second isolation path includes an electrical connecting structure electrically connected to the first light-emitting diode and the second light-emitting diode.Type: ApplicationFiled: August 6, 2013Publication date: February 6, 2014Applicant: Epistar CorporationInventors: Tsung-Hsien YANG, Han-Min WU, Jhih-Sian WANG, Yi-Ming CHEN, Tzu-Ghieh HSU