Patents by Inventor Chan Chung

Chan Chung 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: 20180304553
    Abstract: The present disclosure relates to an apparatus for manufacturing a nerve conduit, more particularly to an apparatus for manufacturing a porous nerve conduit using glass fibers whereby microchannels are formed using the space between the glass fibers and the defective rate and location-dependent variation of each nerve conduit can be minimized through uniform decompression during the manufacture. The nerve conduit manufactured according to the present disclosure can be manufactured to have various diameters and lengths to be applicable to in vitro and in vivo researches on nerves.
    Type: Application
    Filed: July 14, 2017
    Publication date: October 25, 2018
    Inventors: Ki Woong Park, Ku Chan Chung, Jung Keun Hyun, Jong Wan Kim
  • Patent number: 10109771
    Abstract: The present disclosure provides a light-emitting device, comprising: a light-emitting stack; a first semiconductor layer on the light-emitting stack; a first electrode formed on the first semiconductor layer and comprising an inner segment, an outer segment, and a plurality of extending segments electrically connecting the inner segment with the outer segment.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: October 23, 2018
    Assignee: EPISTAR CORPORATION
    Inventors: Yao-Ru Chang, Wen-Luh Liao, Chun-Yu Lin, Hsin-Chan Chung, Hung-Ta Cheng
  • Publication number: 20180277590
    Abstract: A light-emitting device includes: a substrate comprising a first side and a second side opposite to the first side; multiple semiconductor stacks on the first side and separated from each other, wherein each of the multiple semiconductor stacks comprises a light extraction area and an electrode pad area connected to the light extraction area; multiple electrode pads, wherein each of the multiple electrode pads is on one of the electrode pad areas; and a blocking layer between one of the semiconductor stacks and the substrate.
    Type: Application
    Filed: March 20, 2018
    Publication date: September 27, 2018
    Inventors: Hsin-Chan CHUNG, Wen-Luh LIAO, Shih-Chang LEE
  • Patent number: 10032954
    Abstract: A light-emitting device is provided. The light-emitting device comprises a substrate; an insulating layer on the substrate, wherein the insulating layer comprises a first hole; a light-emitting stack on the insulating layer and comprising an active region comprising a top surface, wherein the top surface comprises a first part and a second part; and an opaque layer covering the first part of the top surface and exposing the second part of the top surface, wherein the second part is directly above the first hole.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: July 24, 2018
    Assignee: EPISTAR CORPORATION
    Inventors: Cheng-Feng Yu, Ching-Yuan Tsai, Yao-Ru Chang, Hsin-Chan Chung, Shih-Chang Lee, Wen-Luh Liao, Cheng-Hsing Chiang, Kuo-Feng Huang, Hsu-Hsuan Teng, Hung-Ta Cheng, Yung-Fu Chang
  • Patent number: 9847450
    Abstract: The present disclosure provides a light-emitting device and manufacturing method thereof. The light-emitting device comprising: a light-emitting stack; and a semiconductor layer having a first surface connecting to the light-emitting stack, a second surface opposite to the first surface, and a void; wherein the void comprises a bottom part near the first surface and an opening on the second surface, and a dimension of the bottom part is larger than the dimension of the opening.
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: December 19, 2017
    Assignee: EPISTAR CORPORATION
    Inventors: Wen-Luh Liao, Chih-Chiang Lu, Shih-Chang Lee, Hung-Ta Cheng, Hsin-Chan Chung, Yi-Chieh Lin
  • Publication number: 20170352782
    Abstract: The present disclosure provides a light-emitting device and manufacturing method thereof. The light-emitting device comprising: a light-emitting stack; and a semiconductor layer having a first surface connecting to the light-emitting stack, a second surface opposite to the first surface, and a void; wherein the void comprises a bottom part near the first surface and an opening on the second surface, and a dimension of the bottom part is larger than the dimension of the opening.
    Type: Application
    Filed: August 25, 2017
    Publication date: December 7, 2017
    Inventors: Wen-Luh LIAO, Chih-Chiang LU, Shih-Chang LEE, Hung-Ta CHENG, Hsin-Chan CHUNG, Yi-Chieh LIN
  • Publication number: 20170331001
    Abstract: A light-emitting device is provided. The light-emitting device comprises a substrate; an insulating layer on the substrate, wherein the insulating layer comprises a first hole; a light-emitting stack on the insulating layer and comprising an active region comprising a top surface, wherein the top surface comprises a first part and a second part; and an opaque layer covering the first part of the top surface and exposing the second part of the top surface, wherein the second part is directly above the first hole.
    Type: Application
    Filed: May 10, 2017
    Publication date: November 16, 2017
    Inventors: Cheng-Feng YU, Ching-Yuan TSAI, Yao-Ru CHANG, Hsin-Chan CHUNG, Shih-Chang LEE, Wen-Luh LIAO, Cheng-Hsing CHIANG, Kuo-Feng HUANG, Hsu-Hsuan TENG, Hung-Ta CHENG, Yung-Fu CHANG
  • Publication number: 20170317238
    Abstract: The present disclosure provides a light-emitting device, comprising: a light-emitting stack; a first semiconductor layer on the light-emitting stack; a first electrode formed on the first semiconductor layer and comprising an inner segment, an outer segment, and a plurality of extending segments electrically connecting the inner segment with the outer segment.
    Type: Application
    Filed: July 18, 2017
    Publication date: November 2, 2017
    Inventors: Yao-Ru CHANG, Wen-Luh LIAO, Chun-Yu LIN, Hsin-Chan CHUNG, Hung-Ta CHENG
  • Patent number: 9748443
    Abstract: The present disclosure provides a light-emitting device, comprising: a light-emitting stack comprising an active layer, wherein the active layer is configured to emit light; a first semiconductor layer on the light-emitting stack; a first electrode formed on the first semiconductor layer and comprising an inner segment, an outer segment, and a plurality of extending segments electrically connecting the inner segment with the outer segment; and a light-absorbing layer having a first portion surrounding the first semiconductor layer in a top view.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: August 29, 2017
    Assignee: EPISTAR CORPORATION
    Inventors: Yao-Ru Chang, Wen-Luh Liao, Chun-Yu Lin, Hsin-Chan Chung, Hung-Ta Cheng
  • Patent number: 9660146
    Abstract: A light-emitting element comprises a light-emitting stack comprising an active layer for emitting a light; a window layer on the light-emitting stack; and a first insulative layer having a first refractive index on the window layer; wherein the first insulative layer has a first refractive index, and the window layer has a second refractive index, and a difference between the first refractive index and the second refractive index is larger than 1.5.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: May 23, 2017
    Assignee: EPISTAR CORPORATION
    Inventors: Ching-Yuan Tsai, Hsin-Chan Chung, Wen-Luh Liao
  • Publication number: 20170133556
    Abstract: The present disclosure provides a light-emitting device, comprising: a light-emitting stack comprising an active layer, wherein the active layer is configured to emit light; a first semiconductor layer on the light-emitting stack; a first electrode formed on the first semiconductor layer and comprising an inner segment, an outer segment, and a plurality of extending segments electrically connecting the inner segment with the outer segment; and a light-absorbing layer having a first portion surrounding the first semiconductor layer in a top view.
    Type: Application
    Filed: January 19, 2017
    Publication date: May 11, 2017
    Inventors: Yao-Ru CHANG, Wen-Luh LIAO, Chun-Yu LIN, Hsin-Chan CHUNG, Hung-Ta CHENG
  • Publication number: 20170005227
    Abstract: A light-emitting diode, comprises an active layer for emitting a light ray; an upper semiconductor stack on the active layer, wherein the upper semiconductor stack comprises a window layer; a reflector; and a lower semiconductor stack between the active layer and the reflector; wherein the thickness of the window layer is small than or equal to 3 ?m, and the thickness of the lower semiconductor stack is small than or equal to 1 ?m.
    Type: Application
    Filed: September 15, 2016
    Publication date: January 5, 2017
    Inventors: Yu-Ren Peng, Tzu-Chieh Hsu, Shih-I Chen, Rong-Ren Lee, Hsin-Chan Chung, Wen-Luh Liao, Yi-Chieh Lin
  • Publication number: 20160336482
    Abstract: An object of the present invention is to provide a light-emitting device comprising: a substrate, a first light-emitting semiconductor stack having a first transverse width, the first light-emitting semiconductor stack comprising a first active layer emitting a first radiation of a first dominant wavelength during operation; a second light-emitting semiconductor stack having a second transverse width less than the first transverse width and comprising a second active layer emitting a second radiation of a second dominant wavelength shorter than the first dominant wavelength during operation; and a first conductive connecting structure between the first light-emitting semiconductor stack and the second light-emitting semiconductor stack, wherein the first conductive connecting structure is lattice-mismatched to the first active layer and to the second active layer, the first light-emitting semiconductor stack is between the substrate and the second light-emitting semiconductor stack.
    Type: Application
    Filed: May 12, 2015
    Publication date: November 17, 2016
    Inventors: Shao-Ping Lu, Cheng-Feng Yu, Wen-Luh Liao, Hsin-Chan Chung, Shih-Chang Lee, Chih-Chiang Lu
  • Patent number: 9472719
    Abstract: A light-emitting diode, comprises an active layer for emitting a light with a phase and a peak wavelength ? in air, a reflector, a lower semiconductor stack between the active layer and the reflector, wherein the lower semiconductor stack comprises multiple semiconductor layers, and each of the multiple semiconductor layers has a refractive index ni, a thickness di and two sides each contacting adjacent layers to form two interfaces, wherein each interface has a phase shift when the light passes through the interface.
    Type: Grant
    Filed: February 18, 2015
    Date of Patent: October 18, 2016
    Assignee: EPISTAR CORPORATION
    Inventors: Yu-Ren Peng, Tzu-Chieh Hsu, Shih-I Chen, Rong-Ren Lee, Hsin-Chan Chung, Wen-Luh Liao, Yi-Chieh Lin
  • Publication number: 20160240731
    Abstract: A light-emitting diode, comprises an active layer for emitting a light with a phase and a peak wavelength ? in air, a reflector, a lower semiconductor stack between the active layer and the reflector, wherein the lower semiconductor stack comprises multiple semiconductor layers, and each of the multiple semiconductor layers has a refractive index ni, a thickness di and two sides each contacting adjacent layers to form two interfaces, wherein each interface has a phase shift when the light passes through the interface.
    Type: Application
    Filed: February 18, 2015
    Publication date: August 18, 2016
    Inventors: Yu-Ren Peng, Tzu-Chieh Hsu, Shih-I Chen, Rong-Ren Lee, Hsin-Chan Chung, Wen-Luh Liao, Yi-Chieh Lin
  • Publication number: 20160197242
    Abstract: A light-emitting element comprises a light-emitting stack comprising an active layer for emitting a light; a window layer on the light-emitting stack; and a first insulative layer having a first refractive index on the window layer; wherein the first insulative layer has a first refractive index, and the window layer has a second refractive index, and a difference between the first refractive index and the second refractive index is larger than 1.5.
    Type: Application
    Filed: March 15, 2016
    Publication date: July 7, 2016
    Inventors: Ching-Yuan TSAI, Hsin-Chan CHUNG, Wen-Luh LIAO
  • Patent number: 9318663
    Abstract: A light-emitting element comprises a light-emitting stack comprising an active layer, a first insulative layer having a first refractive index on the light-emitting stack, a second insulative layer having a second refractive index on the first insulative layer, and a transparent conducting structure having a third refractive index on the second insulative layer, wherein the second refractive index is between the first refractive index and the third refractive index, and the first refractive index is smaller than 1.4.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: April 19, 2016
    Assignee: EPISTAR CORPORATION
    Inventors: Ching-Yuan Tsai, Hsin-Chan Chung, Wen-Luh Liao
  • Publication number: 20160027965
    Abstract: A light-emitting element comprises a light-emitting stack comprising an active layer, a first insulative layer having a first refractive index on the light-emitting stack, a second insulative layer having a second refractive index on the first insulative layer, and a transparent conducting structure having a third refractive index on the second insulative layer, wherein the second refractive index is between the first refractive index and the third refractive index, and the first refractive index is smaller than 1.4.
    Type: Application
    Filed: September 25, 2015
    Publication date: January 28, 2016
    Inventors: Ching-Yuan TSAI, Hsin-Chan CHUNG, Wen-Luh LIAO
  • Publication number: 20150108494
    Abstract: The present disclosure provides a light-emitting device and manufacturing method thereof. The light-emitting device comprising: a light-emitting stack; and a semiconductor layer having a first surface connecting to the light-emitting stack, a second surface opposite to the first surface, and a void; wherein the void comprises a bottom part near the first surface and an opening on the second surface, and a dimension of the bottom part is larger than the dimension of the opening.
    Type: Application
    Filed: October 21, 2014
    Publication date: April 23, 2015
    Inventors: Wen-Luh LIAO, Chih-Chiang LU, Shih-Chang LEE, Hung-Ta CHENG, Hsin-Chan CHUNG, Yi-Chieh LIN
  • Publication number: 20140066316
    Abstract: The present invention provides a method for assessing the presence and risk of developing type 2 diabetes or cardiovascular disease in a subject by detecting sequence variation in DACH1 (Dachshund homolog 1) gene. A kit and device useful for such a method are also provided. In addition, the present invention provides a method for treating type 2 diabetes or cardiovascular disease in patients who have been tested and shown to have the pertinent genetic variations.
    Type: Application
    Filed: August 28, 2012
    Publication date: March 6, 2014
    Applicant: The Chinese University of Hong Kong
    Inventors: Juliana Chan Chung-Ngor, Wing-Yee So, Ronald Ching-Wan Ma