Patents by Inventor Tzu-Chieh Hsu

Tzu-Chieh 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).

  • Publication number: 20180006206
    Abstract: The present disclosure provides a method of manufacturing a light-emitting device, which comprises providing a first substrate and a plurality of semiconductor stacked blocks comprising a first semiconductor stacked block and a second semiconductor stacked block on the first substrate, and each of the plurality semiconductor stacked blocks comprises a first conductive-type semiconductor layer, a light-emitting layer on the first conductive-type semiconductor layer, and a second conductive-type semiconductor layer on the light-emitting layer; conducting a separating step to separate the first semiconductor stacked block from the first substrate, and the second semiconductor stacked block remains on the first substrate; providing an element substrate comprising a patterned metal layer; and conducting a bonding step to bond and align the first semiconductor stacked block or the second semiconductor stacked block with the patterned metal layer.
    Type: Application
    Filed: September 12, 2017
    Publication date: January 4, 2018
    Inventors: Chien-Fu HUANG, Yao-Ning CHAN, Tzu Chieh HSU, Yi-ming CHEN, Hsin-Chih CHIU, Chih-Chiang LU, Chia-liang HSU, Chun-Hsien CHANG
  • Patent number: 9837792
    Abstract: A light-emitting device is provided. The light-emitting device is configured to emit a radiation and comprises: a substrate; an epitaxial structure on the substrate and comprising a first DBR stack, a light-emitting stack and a second DBR stack and a contact layer in sequence; an electrode; a current blocking layer between the contact layer and the electrode; a first opening formed in the current blocking layer; and a second opening formed in the electrode and within the first opening; wherein a part of the electrode fills in the first opening and contacts the contact layer; and the light-emitting device is devoid of an oxidized layer and an ion implanted layer in the second DBR stack.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: December 5, 2017
    Assignee: EPISTAR CORPORATION
    Inventors: Tzu Chieh Hsu, Yi-Wen Huang, Yi-Hung Lin, Chih-Chiang Lu
  • Patent number: 9831384
    Abstract: This disclosure discloses a light-emitting device. The light-emitting device comprise a light-emitting stack having a first-type semiconductor layer, a second-type semiconductor layer, and an active formed between the first-type semiconductor layer and the second-type semiconductor layer and emitting a light; and a reflective structure formed on the first-type semiconductor layer and having a first interface and a second interface; wherein the critical angle of the light at the first interface is larger than that at the second interface; and wherein the reflective structure ohmically contacts the first-type semiconductor layer at the first interface.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: November 28, 2017
    Assignee: EPISTAR CORPORATION
    Inventors: Yi-Ming Chen, Hao-Min Ku, Chih-Chiang Lu, Tzu-Chieh Hsu
  • Patent number: 9825088
    Abstract: A light-emitting device comprises a carrier; and a first semiconductor element comprising a first semiconductor structure and a second semiconductor structure, wherein the second semiconductor structure is closer to the carrier than the first semiconductor structure is to the carrier, the first semiconductor structure comprises a first MQW structure configured to emit a first light having a first dominant wavelength during normal operation, and the second semiconductor structure comprises a second MQW structure configured not to emit light during normal operation.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: November 21, 2017
    Assignee: EPISTAR CORPORATION
    Inventors: Shao-Ping Lu, Yi-Ming Chen, Yu-Ren Peng, Chun-Yu Lin, Chun-Fu Tsai, Tzu-Chieh Hsu
  • Publication number: 20170309774
    Abstract: A semiconductor light-emitting device comprises a substrate; a first adhesive layer on the substrate; multiple epitaxial units on the first adhesive layer; a second adhesive layer on the multiple epitaxial units; multiple first electrodes between the first adhesive layer and the multiple epitaxial units, and contacting the first adhesive layer and the multiple epitaxial units; and multiple second electrodes between the second adhesive layer and the multiple epitaxial units, and contacting the second adhesive layer and the multiple epitaxial units; wherein the multiple epitaxial units are totally separated.
    Type: Application
    Filed: July 7, 2017
    Publication date: October 26, 2017
    Inventors: Hsin-Chih Chiu, Chih-Chiang Lu, Chun-Yu Lin, Ching-Huai Ni, Yi-Ming Chen, Tzu-Chieh Hsu, Ching-Pei Lin
  • Patent number: 9793458
    Abstract: The present disclosure provides a method of manufacturing a light-emitting device, which comprises providing a first substrate and a plurality of semiconductor stacked blocks on the first substrate, and each of the plurality semiconductor stacked blocks comprises a first conductive-type semiconductor layer, a light-emitting layer on the first conductive-type semiconductor layer, and a second conductive-type semiconductor layer on the light-emitting layer; wherein there is a trench separating two adjacent semiconductor stacked blocks on the first substrate, and a width of the trench is less than 10 ?m; and conducting a first separating step to separate a first semiconductor stacked block of the plurality of semiconductor stacked blocks from the first substrate and keep a second semiconductor stacked block on the first substrate.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: October 17, 2017
    Assignee: EPISTAR CORPORATION
    Inventors: Chien-Fu Huang, Yao-Ning Chan, Tzu Chieh Hsu, Yi Ming Chen, Hsin-Chih Chiu, Chih-Chiang Lu, Chia-Liang Hsu, Chun-Hsien Chang
  • Patent number: 9793451
    Abstract: An encapsulated light-emitting diode device is disclosed. The encapsulated light-emitting diode device includes a circuit carrier including a surface; a light-emitting device including a transparent substrate, the transparent substrate including a first surface and a second surface, and the first surface and the surface of the circuit carrier includes an included angle larger than zero; a light-emitting diode chip located on the first surface of the transparent substrate; and a first transparent glue covering the light-emitting diode chip and formed on the first surface; and a second transparent glue formed on the second surface corresponding to the first transparent glue; wherein the first transparent glue has a circular projection on the first surface and the light-emitting diode chip is substantially located at the center of the circular projection.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: October 17, 2017
    Assignee: Epistar Corporation
    Inventors: Chia-Liang Hsu, Han-Min Wu, Ye-Ming Hsu, Chien-Fu Huang, Tzu-Chieh Hsu, Min-Hsun Hsieh
  • Publication number: 20170256914
    Abstract: A light-emitting device is provided. The light-emitting device is configured to emit a radiation and comprises: a substrate; an epitaxial structure on the substrate and comprising a first DBR stack, a light-emitting stack and a second DBR stack and a contact layer in sequence; an electrode; a current blocking layer between the contact layer and the electrode; a first opening formed in the current blocking layer; and a second opening formed in the electrode and within the first opening; wherein a part of the electrode fills in the first opening and contacts the contact layer; and the light-emitting device is devoid of an oxidized layer and an ion implanted layer in the second DBR stack.
    Type: Application
    Filed: March 7, 2016
    Publication date: September 7, 2017
    Inventors: Tzu-Chieh HSU, Yi-Wen HUANG, Yi-Hung LIN, Chih-Chiang LU
  • Patent number: 9735312
    Abstract: A method of manufacturing a semiconductor light-emitting device, comprises the steps of providing a first substrate; providing multiple epitaxial units on the first substrate, wherein the plurality of epitaxial units comprises: multiple first epitaxial units, wherein each of the first epitaxial units has a first geometric shape and a first area; and multiple second epitaxial units, wherein each of the second epitaxial units has a second geometric shape and a second area; providing a second substrate with a surface; transferring the multiple second epitaxial units to the surface of the second substrate; and dividing the first substrate to form multiple first semiconductor light-emitting devices, wherein each of the first semiconductor light-emitting devices has the first epitaxial unit; wherein the first geometric shape is different from the second geometric shape, or the first area is different from the second area.
    Type: Grant
    Filed: July 3, 2013
    Date of Patent: August 15, 2017
    Assignee: EPISTAR CORPORATION
    Inventors: Hsin-Chih Chiu, Chih-Chiang Lu, Chun-Yu Lin, Ching-Huai Ni, Yi-Ming Chen, Tzu-Chieh Hsu, Ching-Pei Lin
  • Publication number: 20170194532
    Abstract: The present disclosure provides an optoelectronic device comprising a semiconductor stack comprising a first side having a first length; a first contact layer on the semiconductor stack; and a second contact layer on the semiconductor stack opposite to the first contact layer, wherein the second contact layer is not overlapped with the first contact layer in a vertical direction; and wherein the second contact layer comprises multiple contact regions separated from each other and arranged in a two-dimensional array, wherein a first distance between the two adjacent contact regions is between 0.8% and 8% of the first length.
    Type: Application
    Filed: March 23, 2017
    Publication date: July 6, 2017
    Inventors: Chun-Yu LIN, Yi-Ming Chen, Shih-Chang LEE, Yao-Ning Chan, Tzu-Chieh Hsu
  • Publication number: 20170170375
    Abstract: The present disclosure provides a method of manufacturing a light-emitting device, which comprises providing a first substrate and a plurality of semiconductor stacked blocks on the first substrate, and each of the plurality semiconductor stacked blocks comprises a first conductive-type semiconductor layer, a light-emitting layer on the first conductive-type semiconductor layer, and a second conductive-type semiconductor layer on the light-emitting layer; wherein there is a trench separating two adjacent semiconductor stacked blocks on the first substrate, and a width of the trench is less than 10 ?m; and conducting a first separating step to separate a first semiconductor stacked block of the plurality of semiconductor stacked blocks from the first substrate and keep a second semiconductor stacked block on the first substrate.
    Type: Application
    Filed: February 21, 2017
    Publication date: June 15, 2017
    Inventors: Chien-Fu HUANG, Yao-Ning CHAN, Tzu Chieh HSU, Yi Ming CHEN, Hsin-Chih CHIU, Chih-Chiang LU, Chia-Liang HSU, Chun-Hsien CHANG
  • Patent number: 9640728
    Abstract: An optoelectronic device is provided. The optoelectronic device comprises: an optoelectronic system for emitting light; multiple contact regions on the optoelectronic system and separated from one another; and multiple fingers on the optoelectronic system and opposite to the multiple contact regions; wherein a first contact region in the multiple contact regions is between two adjacent fingers, and a first distance between the first contact region and one of the adjacent fingers is between 5% and 50% of a second distance between the two adjacent fingers.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: May 2, 2017
    Assignee: EPISTAR CORPORATION
    Inventors: Chun-Yu Lin, Yi-Ming Chen, Shih-Chang Lee, Yao-Ning Chan, Tzu-Chieh Hsu
  • Publication number: 20170117450
    Abstract: A light-emitting device comprising: a supportive substrate; a transparent layer formed on the supportive substrate, and the transparent layer comprising conductive metal oxide material; a light-emitting stacked layer comprising an active layer formed on the transparent layer; and an etching-stop layer formed between the light-emitting stacked layer and the supportive substrate and contacting the transparent layer, wherein a thickness of the etching-stop layer is thicker than that of the transparent layer.
    Type: Application
    Filed: January 9, 2017
    Publication date: April 27, 2017
    Inventors: Shih-I CHEN, Chia-Liang HSU, Tzu-Chieh HSU, Han-Min WU, Ye-Ming HSU, Chien-Fu HUANG, Chao-Hsing CHEN, Chiu-Lin YAO, Hsin-Mao LIU, Chien-Kai CHUNG
  • Patent number: 9614127
    Abstract: The present disclosure provides a method of manufacturing a light-emitting device, which comprises providing a first substrate and a plurality of semiconductor stacked blocks on the first substrate, and each of the plurality semiconductor stacked blocks comprises a first conductive-type semiconductor layer, a light-emitting layer on the first conductive-type semiconductor layer, and a second conductive-type semiconductor layer on the light-emitting layer; wherein there is a trench separating two adjacent semiconductor stacked blocks on the first substrate, and a width of the trench is less than 10 ?m; and conducting a first separating step to separate a first semiconductor stacked block of the plurality of semiconductor stacked blocks from the first substrate and keep a second semiconductor stacked block on the first substrate.
    Type: Grant
    Filed: July 5, 2013
    Date of Patent: April 4, 2017
    Assignee: EPISTAR CORPORATION
    Inventors: Chien-Fu Huang, Yao-Ning Chan, Tzu Chieh Hsu, Yi Ming Chen, Hsin-Chih Chiu, Chih-Chiang Lu, Chia-Liang Hsu, Chun-Hsien Chang
  • Patent number: 9590143
    Abstract: This disclosure discloses a light-emitting chip comprises: a light-emitting stack, having a side wall, comprising an active layer emitting light; and a light-absorbing layer having a first portion surrounding the side wall and being configured to absorb 50% light toward the light-absorbing layer.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: March 7, 2017
    Assignee: EPISTAR CORPORATION
    Inventors: Chun-Yu Lin, Tzu-Chieh Hsu, Fu-Chun Tsai, Yi-Wen Huang, Chih-Chiang Lu
  • 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: 9577170
    Abstract: A light-emitting device is disclosed. The light-emitting device comprises a supportive substrate; a first light-emitting element and a second light-emitting element on the supportive substrate, wherein the first light-emitting element comprises a transparent layer on the supportive substrate, a first light-emitting stacked layer on the transparent layer, and a plurality of contact parts between the transparent layer and the first light-emitting stacked layer; and the second light-emitting element comprises an electrode and a second light-emitting stacked layer between the electrode and the supportive substrate; and a metal line on the supportive substrate and electrically connecting the electrode and one of the contact parts.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: February 21, 2017
    Assignee: EPISTAR CORPORATION
    Inventors: Shih-I Chen, Chia-Liang Hsu, Tzu-Chieh Hsu, Han-Min Wu, Ye-Ming Hsu, Chien-Fu Huang, Chao-Hsing Chen, Chiu-Lin Yao, Hsin-Mao Liu, Chien-Kai Chung
  • Publication number: 20170033259
    Abstract: A semiconductor device comprises a substrate, a first semiconductor unit on the substrate, and an first adhesion structure between the substrate and the first semiconductor unit, and directly contacting the first semiconductor unit and the substrate, wherein the first adhesion structure comprises an adhesion layer and a sacrificial layer, and the adhesion layer and the sacrificial layer are made of different materials, and wherein an adhesion between the first semiconductor unit and the adhesion layer is different from that between the first semiconductor unit and the sacrificial layer.
    Type: Application
    Filed: October 17, 2016
    Publication date: February 2, 2017
    Inventors: Chih-Chiang LU, Yi-Ming CHEN, Chun-Yu LIN, Ching-Pei LIN, Chung-Hsun CHIEN, Chien-Fu HUANG, Hao-Min KU, Min-Hsun HSIEH, Tzu-Chieh HSU
  • Publication number: 20170025567
    Abstract: A light-emitting device comprises a carrier; and a first semiconductor element comprising a first semiconductor structure and a second semiconductor structure, wherein the second semiconductor structure is closer to the carrier than the first semiconductor structure is to the carrier, the first semiconductor structure comprises a first MQW structure configured to emit a first light having a first dominant wavelength during normal operation, and the second semiconductor structure comprises a second MQW structure configured not to emit light during normal operation.
    Type: Application
    Filed: July 24, 2015
    Publication date: January 26, 2017
    Inventors: Shao-Ping LU, Yi-Ming CHEN, Yu-Ren PENG, Chun-Yu LIN, Chun-Fu TSAI, Tzu-Chieh HSU
  • 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