Patents by Inventor Ching-San Tao

Ching-San Tao 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: 11482651
    Abstract: The disclosure discloses an optoelectronic element comprising: an optoelectronic unit comprising a first metal layer, a second metal layer, and an outermost lateral surface; an insulating layer having a first portion overlapping the optoelectronic unit and extending beyond the lateral surface, and a second portion separated from the first portion in a cross-sectional view; and a first conductive layer formed on the insulating layer.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: October 25, 2022
    Assignee: EPISTAR CORPORATION
    Inventors: Cheng-Nan Han, Tsung-Xian Lee, Min-Hsun Hsieh, Hung-Hsuan Chen, Hsin-Mao Liu, Hsing-Chao Chen, Ching-San Tao, Chih-Peng Ni, Tzer-Perng Chen, Jen-Chau Wu
  • Publication number: 20200313051
    Abstract: The disclosure discloses an optoelectronic element comprising: an optoelectronic unit comprising a first metal layer, a second metal layer, and an outermost lateral surface; an insulating layer having a first portion overlapping the optoelectronic unit and extending beyond the lateral surface, and a second portion separated from the first portion in a cross-sectional view; and a first conductive layer formed on the insulating layer.
    Type: Application
    Filed: June 12, 2020
    Publication date: October 1, 2020
    Inventors: Cheng-Nan HAN, Tsung-Xian LEE, Min-Hsun HSIEH, Hung-Hsuan CHEN, Hsin-Mao LIU, Hsing-Chao CHEN, Ching-San TAO, Chih-Peng NI, Tzer- Perng CHEN, Jen-Chau WU
  • Patent number: 10686106
    Abstract: The disclosure discloses an optoelectronic element comprising: an optoelectronic unit comprising a first metal layer, a second metal layer, and an outermost lateral surface; an insulating layer having a first portion overlapping the optoelectronic unit and extending beyond the lateral surface, and a second portion separated from the first portion in a cross-sectional view; and a first conductive layer formed on the insulating layer.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: June 16, 2020
    Assignee: EPISTAR CORPORATION
    Inventors: Cheng-Nan Han, Tsung-Xian Lee, Min-Hsun Hsieh, Hung-Hsuan Chen, Hsin-Mao Liu, Hsing-Chao Chen, Ching-San Tao, Chih-Peng Ni, Tzer-Perng Chen, Jen-Chau Wu
  • Patent number: 10529898
    Abstract: An optoelectronic element includes an optoelectronic unit, a first metal layer, a second metal layer, a conductive layer and a transparent structure. The optoelectronic unit has a central line in a top view, a top surface, and a bottom surface. The second metal layer is formed on the top surface, and has an extension portion crossing over the central line and extending to the first metal layer. The conductive layer covers the first metal layer and the extension portion. The transparent structure covers the bottom surface without covering the top surface.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: January 7, 2020
    Assignee: EPISTAR CORPORATION
    Inventors: Cheng-Nan Han, Tsung-Xian Lee, Min-Hsun Hsieh, Hung-Hsuan Chen, Hsin-Mao Liu, Hsing-Chao Chen, Ching San Tao, Chih-Peng Ni, Tzer-Perng Chen, Jen-Chau Wu, Masafumi Sano, Chih-Ming Wang
  • Publication number: 20180254391
    Abstract: The disclosure discloses an optoelectronic element comprising: an optoelectronic unit comprising a first metal layer, a second metal layer, and an outermost lateral surface; an insulating layer having a first portion overlapping the optoelectronic unit and extending beyond the lateral surface, and a second portion separated from the first portion in a cross-sectional view; and a first conductive layer formed on the insulating layer.
    Type: Application
    Filed: May 7, 2018
    Publication date: September 6, 2018
    Inventors: Cheng-Nan HAN, Tsung-Xian LEE, Min-Hsun HSIEH, Hung-Hsuan CHEN, Hsin-Mao LIU, Hsing-Chao CHEN, Ching-San TAO, Chih-Peng NI, Tzer- Perng CHEN, Jen-Chau WU
  • Patent number: 9893244
    Abstract: An optoelectronic element includes an optoelectronic unit, a first metal layer, a second metal layer, a conductive layer and a transparent structure. The optoelectronic unit has a central line in a top view, a top surface, and a bottom surface. The second metal layer is formed on the top surface, and has an extension portion crossing over the central line and extending to the first metal layer. The conductive layer covers the first metal layer and the extension portion. The transparent structure covers the bottom surface without covering the top surface.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: February 13, 2018
    Assignee: EPISTAR CORPORATION
    Inventors: Cheng-Nan Han, Tsung-Xian Lee, Min-Hsun Hsieh, Hung-Hsuan Chen, Hsin-Mao Liu, Hsing-Chao Chen, Ching San Tao, Chih-Peng Ni, Tzer-Perng Chen, Jen-Chau Wu, Masafumi Sano, Chih-Ming Wang
  • Patent number: 9876139
    Abstract: A light-emitting device, comprises a light-emitting stacked layer comprising a first conductivity type semiconductor layer; a light-emitting layer formed on the first conductivity type semiconductor layer; and a second conductivity type semiconductor layer formed on the light-emitting layer and comprising a first plurality of cavities; a first dielectric layer formed on a first part of the second conductivity type semiconductor layer; a first transparent conductive oxide layer formed on the first dielectric layer and on a second part of the second conductivity type semiconductor layer, the first transparent conductive oxide layer including a first portion in contact with the first dielectric layer and including a second portion in contact with the upper surface of the second conductivity type semiconductor layer; a first electrode formed on the first portion; and a first reflective metal layer formed between the first transparent conductive oxide layer and the first electrode.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: January 23, 2018
    Assignee: EPISTAR CORPORATION
    Inventors: Tzu-Chieh Hsu, Ching-San Tao, Chen Ou, Min-Hsun Hsieh, Chao-Hsing Chen
  • Publication number: 20180019382
    Abstract: An optoelectronic element includes an optoelectronic unit, a first metal layer, a second metal layer, a conductive layer and a transparent structure. The optoelectronic unit has a central line in a top view, a top surface, and a bottom surface. The second metal layer is formed on the top surface, and has an extension portion crossing over the central line and extending to the first metal layer. The conductive layer covers the first metal layer and the extension portion. The transparent structure covers the bottom surface without covering the top surface.
    Type: Application
    Filed: September 18, 2015
    Publication date: January 18, 2018
    Inventors: Cheng-Nan HAN, Tsung-Xian LEE, Min-Hsun HSIEH, Hung-Hsuan CHEN, Hsin-Mao LIU, Hsing-Chao CHEN, Ching San TAO, Chih-Peng NI, Tzer-Perng CHEN, Jen-Chau WU, Masafumi SANO, Chih-Ming WANG
  • Publication number: 20170365750
    Abstract: An optoelectronic element includes an optoelectronic unit, a first metal layer, a second metal layer, a conductive layer and a transparent structure. The optoelectronic unit has a central line in a top view, a top surface, and a bottom surface. The second metal layer is formed on the top surface, and has an extension portion crossing over the central line and extending to the first metal layer. The conductive layer covers the first metal layer and the extension portion. The transparent structure covers the bottom surface without covering the top surface.
    Type: Application
    Filed: August 16, 2017
    Publication date: December 21, 2017
    Inventors: Cheng-Nan HAN, Tsung-Xian LEE, Min-Hsun HSIEH, Hung-Hsuan CHEN, Hsin-Mao LIU, Hsing-Chao CHEN, Ching San TAO, Chih-Peng NI, Tzer-Perng CHEN, Jen-Chau WU, Masafumi SANO, Chih-Ming WANG
  • Patent number: 9741905
    Abstract: An optoelectronic element includes an optoelectronic unit, a first metal layer, a second metal layer, a conductive layer and a transparent structure. The optoelectronic unit has a central line in a top view, a top surface, and a bottom surface. The second metal layer is formed on the top surface, and has an extension portion crossing over the central line and extending to the first metal layer. The conductive layer covers the first metal layer and the extension portion. The transparent structure covers the bottom surface without covering the top surface.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: August 22, 2017
    Assignee: Epistar Corporation
    Inventors: Cheng-Nan Han, Tsung-Xian Lee, Min-Hsun Hsieh, Hung-Hsuan Chen, Hsin-Mao Liu, Hsing-Chao Chen, Ching San Tao, Chih-Peng Ni, Tzer-Perng Chen, Jen-Chau Wu, Masafumi Sano, Chih-Ming Wang
  • Publication number: 20170054056
    Abstract: A light-emitting device, comprises a light-emitting stacked layer comprising a first conductivity type semiconductor layer; a light-emitting layer formed on the first conductivity type semiconductor layer; and a second conductivity type semiconductor layer formed on the light-emitting layer and comprising a first plurality of cavities; a first dielectric layer formed on a first part of the second conductivity type semiconductor layer; a first transparent conductive oxide layer formed on the first dielectric layer and on a second part of the second conductivity type semiconductor layer, the first transparent conductive oxide layer including a first portion in contact with the first dielectric layer and including a second portion in contact with the upper surface of the second conductivity type semiconductor layer; a first electrode formed on the first portion; and a first reflective metal layer formed between the first transparent conductive oxide layer and the first electrode.
    Type: Application
    Filed: November 7, 2016
    Publication date: February 23, 2017
    Inventors: Tzu-Chieh HSU, Ching-San TAO, Chen OU, Min-Hsun HSIEH, Chao-Hsing CHEN
  • Patent number: 9530940
    Abstract: A light-emitting device, comprises a light-emitting stacked layer comprising a first conductivity type semiconductor layer; a light-emitting layer formed on the first conductivity type semiconductor layer; and a second conductivity type semiconductor layer formed on the light-emitting layer and comprising a first plurality of cavities; a first planarization layer formed on a first part of the second conductivity type semiconductor layer; a first transparent conductive oxide layer formed on the first planarization layer and on a second part of the second conductivity type semiconductor layer, the first transparent conductive oxide layer including a first portion in contact with the first planarization layer and including a second portion in contact with the upper surface of the second conductivity type semiconductor layer; a first electrode formed on the first portion; and a first reflective metal layer formed between the first transparent conductive oxide layer and the first electrode.
    Type: Grant
    Filed: January 5, 2015
    Date of Patent: December 27, 2016
    Assignee: EPISTAR CORPORATION
    Inventors: Tzu-Chieh Hsu, Ching-San Tao, Chen Ou, Min-Hsun Hsieh, Chao-Hsing Chen
  • Publication number: 20160013371
    Abstract: An optoelectronic element includes an optoelectronic unit, a first metal layer, a second metal layer, a conductive layer and a transparent structure. The optoelectronic unit has a central line in a top view, a top surface, and a bottom surface. The second metal layer is formed on the top surface, and has an extension portion crossing over the central line and extending to the first metal layer. The conductive layer covers the first metal layer and the extension portion. The transparent structure covers the bottom surface without covering the top surface.
    Type: Application
    Filed: September 18, 2015
    Publication date: January 14, 2016
    Inventors: Cheng-Nan HAN, Tsung-Xian LEE, Min-Hsun HSIEH, Hung-Hsuan CHEN, Hsin-Mao LIU, Hsing-Chao CHEN, Ching San TAO, Chih-Peng NI, Tzer-Perng CHEN, Jen-Chau WU, Masafumi SANO, Chih-Ming WANG
  • Patent number: 9231024
    Abstract: A light-emitting element includes: a substrate being a monocrystalline structure, comprising a plurality of recesses; and a plurality of first light-emitting stacks formed in the recesses respectively.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: January 5, 2016
    Assignee: EPISTAR CORPORATION
    Inventors: Ching-San Tao, Ting-Chia Ko, De-Shan Kuo, Tsun-Kai Ko
  • Patent number: 9142740
    Abstract: An optoelectronic element includes an optoelectronic unit having a first top surface; a first metal layer on the first top surface; a first transparent structure surrounding the optoelectronic unit and exposing the first top surface; and a first contact layer on the first transparent structure, including a connective part electrically connected with the first metal layer.
    Type: Grant
    Filed: May 2, 2013
    Date of Patent: September 22, 2015
    Assignee: EPISTAR CORPORATION
    Inventors: Cheng-Nan Han, Tsung-Xian Lee, Min-Hsun Hsieh, Hung-Hsuan Chen, Hsin-Mao Liu, Hsing-Chao Chen, Ching-San Tao, Chih-Peng Ni, Tzer-Perng Chen, Jen-Chau Wu, Masafumi Sano, Chih-Ming Wang
  • Publication number: 20150214449
    Abstract: The disclosure discloses an optoelectronic element comprising: an optoelectronic unit comprising a first metal layer, a second metal layer, and an outermost lateral surface; an insulating layer having a first portion overlapping the optoelectronic unit and extending beyond the lateral surface, and a second portion separated from the first portion in a cross-sectional view; and a first conductive layer formed on the insulating layer.
    Type: Application
    Filed: April 6, 2015
    Publication date: July 30, 2015
    Inventors: Cheng-Nan HAN, Tsung-Xian LEE, Min-Hsun HSIEH, Hung-Hsuan CHEN, Hsin-Mao LIU, Hsing-Chao CHEN, Ching-San TAO, Chih-Peng NI, Tzer- Perng CHEN, Jen-Chau WU
  • Publication number: 20150137167
    Abstract: A light-emitting device, comprises a light-emitting stacked layer comprising a first conductivity type semiconductor layer; a light-emitting layer formed on the first conductivity type semiconductor layer; and a second conductivity type semiconductor layer formed on the light-emitting layer and comprising a first plurality of cavities; a first planarization layer formed on a first part of the second conductivity type semiconductor layer; a first transparent conductive oxide layer formed on the first planarization layer and on a second part of the second conductivity type semiconductor layer, the first transparent conductive oxide layer including a first portion in contact with the first planarization layer and including a second portion in contact with the upper surface of the second conductivity type semiconductor layer; a first electrode formed on the first portion; and a first reflective metal layer formed between the first transparent conductive oxide layer and the first electrode.
    Type: Application
    Filed: January 5, 2015
    Publication date: May 21, 2015
    Inventors: Tzu-Chieh Hsu, Ching-San Tao, Chen Ou, Min-Hsun Hsieh, Chao-Hsing Chen
  • Patent number: 9000461
    Abstract: An optoelectronic element includes an optoelectronic unit having a first top surface, a first bottom surface opposite to the first top surface, and a lateral surface between the first top surface and the first bottom surface; a first transparent structure covering the lateral surface and exposing the first top surface of the optoelectronic unit; a first insulating layer on the first top surface and the first transparent structure; a second insulating layer on the first insulating layer; a first opening through the first insulating layer and the second insulating layer; and a first conductive layer on the second insulating layer and electrically connecting to the optoelectronic unit via the first opening.
    Type: Grant
    Filed: August 9, 2011
    Date of Patent: April 7, 2015
    Assignee: Epistar Corporation
    Inventors: Cheng-Nan Han, Tsung-Xian Lee, Min-Hsun Hsieh, Hung-Hsuan Chen, Hsin-Mao Liu, Hsing-Chao Chen, Ching-San Tao, Chih-Peng Ni, Tzer-Perng Chen, Jen-Chau Wu
  • Patent number: 8866174
    Abstract: A light-emitting device having a light-emitting stacked layer with a first conductivity type semiconductor layer is provided. A light-emitting layer is formed on the first conductivity type semiconductor layer. A second conductivity type semiconductor layer is formed on the light-emitting layer. The upper surface of the second conductivity type semiconductor layer is a textured surface. A planarization layer is formed on a first part of the second conductivity type semiconductor layer. A transparent conductive oxide layer is formed on the planarization layer and a second part of the second conductivity type semiconductor layer, including a first portion on the planarization layer and a second portion having a first plurality of cavities on the second conductivity type semiconductor layer. An electrode is formed on the first portion of the transparent conductive oxide layer, and a reflective metal layer is formed between the transparent conductive oxide layer and the electrode.
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: October 21, 2014
    Assignee: Epistar Corporation
    Inventors: Tzu-Chieh Hsu, Ching-San Tao, Chen Ou, Min-Hsun Hsieh, Chao Hsing Chen
  • Publication number: 20130313594
    Abstract: An optoelectronic element includes an optoelectronic unit having a first top surface; a first metal layer on the first top surface; a first transparent structure surrounding the optoelectronic unit and exposing the first top surface; and a first contact layer on the first transparent structure, including a connective part electrically connected with the first metal layer.
    Type: Application
    Filed: May 2, 2013
    Publication date: November 28, 2013
    Applicant: EPISTAR CORPORATION
    Inventors: Cheng-Nan HAN, Tsung-Xian Lee, Min-Hsun Hsieh, Hung-Hsuan Chen, Hsin-Mao Liu, Hsing-Chao Chen, Ching-San Tao, Chih-Peng Ni, Tzer-Perng Chen, Jen-Chau Wu, Masafumi Sano, Chih-Ming Wang