Patents by Inventor Min-Yen Tsai

Min-Yen Tsai 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: 20210249565
    Abstract: A light-emitting element includes a semiconductor light-emitting stack including a first semiconductor layer, a second semiconductor layer formed on the first semiconductor layer, and an active layer formed therebetween; a first conductive layer disposed on the second semiconductor layer and electrically connecting the second semiconductor layer; a second conductive layer disposed on the second semiconductor layer and electrically connecting the first semiconductor layer; and a cushion part disposed on and directly contacts the first conductive layer, wherein in a top view, the cushion part is surrounded by and electrically isolated from the second conductive layer.
    Type: Application
    Filed: April 27, 2021
    Publication date: August 12, 2021
    Inventors: Chao-Hsing CHEN, Tsung-Hsun CHIANG, Chien-Chih LIAO, Wen-Hung CHUANG, Min-Yen TSAI, Bo-Jiun HU
  • Patent number: 10991854
    Abstract: A light-emitting element includes a semiconductor light-emitting stack including a first semiconductor layer, a second semiconductor layer formed on the first semiconductor layer, and an active layer formed therebetween; a first conductive layer disposed on the second semiconductor layer and electrically connecting the second semiconductor layer; a second conductive layer disposed on the second semiconductor layer and electrically connecting the first semiconductor layer; and a cushion part disposed on and directly contacts the first conductive layer, wherein in a top view, the cushion part is surrounded by and electrically isolated from the second conductive layer.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: April 27, 2021
    Assignee: EPISTAR CORPORATION
    Inventors: Chao-Hsing Chen, Tsung-Hsun Chiang, Chien-Chih Liao, Wen-Hung Chuang, Min-Yen Tsai, Bo-Jiun Hu
  • Publication number: 20190074409
    Abstract: A light-emitting element includes a semiconductor light-emitting stack including a first semiconductor layer, a second semiconductor layer formed on the first semiconductor layer, and an active layer formed therebetween; a first conductive layer disposed on the second semiconductor layer and electrically connecting the second semiconductor layer; a second conductive layer disposed on the second semiconductor layer and electrically connecting the first semiconductor layer; and a cushion part disposed on and directly contacts the first conductive layer, wherein in a top view, the cushion part is surrounded by and electrically isolated from the second conductive layer.
    Type: Application
    Filed: November 6, 2018
    Publication date: March 7, 2019
    Inventors: Chao-Hsing Chen, Tsung-Hsun Chiang, Chien-Chih Liao, Wen-Hung Chuang, Min-Yen Tsai, Bo-Jiun Hu
  • Patent number: 10153402
    Abstract: A light-emitting element includes a semiconductor light-emitting stack including a first semiconductor layer, an active layer, and a second semiconductor layer; a first conductive layer disposed on the second semiconductor layer and electrically connecting the second semiconductor layer; a second conductive layer disposed on the second semiconductor layer and electrically connecting the first semiconductor layer; and a cushion part disposed on the semiconductor light-emitting stack; wherein in a top view, the cushion part is disposed in a center region of the light-emitting element.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: December 11, 2018
    Assignee: EPISTAR CORPORATION
    Inventors: Chao-Hsing Chen, Tsung-Hsun Chiang, Chien-Chih Liao, Wen-Hung Chuang, Min-Yen Tsai, Bo-Jiun Hu
  • Patent number: 9966498
    Abstract: A method for manufacturing a light-emitting element, including steps of: providing a wafer-level element including a wafer and a light-emitting stack on the wafer, wherein the wafer including an upper surface and a bottom surface, and light-emitting stack is formed on the upper surface of the wafer; forming a light-emitting stack on the upper surface of the wafer; cutting the wafer from one of the bottom surface or the top surface of the wafer by a water-jet laser having a first beam size; cutting the wafer from the other one of the bottom surface or the upper surface of the wafer by the water-jet laser having a second beam size; and dividing the wafer-level element wafer and the light-emitting stack into a plurality of light-emitting dies.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: May 8, 2018
    Assignee: EPISTAR CORPORATION
    Inventors: Min-Yen Tsai, De-Shan Kuo
  • Publication number: 20170331007
    Abstract: A light-emitting element includes a semiconductor light-emitting stack including a first semiconductor layer, an active layer, and a second semiconductor layer; a first conductive layer disposed on the second semiconductor layer and electrically connecting the second semiconductor layer; a second conductive layer disposed on the second semiconductor layer and electrically connecting the first semiconductor layer; and a cushion part disposed on the semiconductor light-emitting stack; wherein in a top view, the cushion part is disposed in a center region of the light-emitting element.
    Type: Application
    Filed: August 4, 2017
    Publication date: November 16, 2017
    Inventors: Chao-Hsing CHEN, Tsung-Hsun CHIANG, Chien-Chih LIAO, Wen-Hung CHUANG, Min-Yen TSAI, Bo-Jiun HU
  • Patent number: 9761774
    Abstract: A light-emitting element includes: a semiconductor light-emitting stack including a first semiconductor layer with a first conductivity, an active layer, and a second semiconductor layer with a second conductivity; a first conductive layer disposed on the semiconductor light-emitting stack and electrically connecting the second semiconductor layer; a first insulating layer on the first conductive layer; a second conductive layer disposed on the first insulating layer and electrically connecting the first semiconductor layer; a second insulating layer on the second conductive layer; a first pad and a second pad on the second conductive layer; and a cushion part disposed between the first pad and the second pad.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: September 12, 2017
    Assignee: EPISTAR CORPORATION
    Inventors: Chao-Hsing Chen, Tsung-Hsun Chiang, Chien-Chih Liao, Wen-Hung Chuang, Min-Yen Tsai, Bo-Jiun Hu
  • Patent number: 9508901
    Abstract: A light-emitting device comprises: a first semiconductor layer; a transparent conductive oxide layer including a diffusion region having a first metal material and a non-diffusion region devoid of the first metal material, wherein the non-diffusion region is closer to the first semiconductor layer than the diffusion region; and a metal layer formed on the transparent conductive oxide layer, wherein the metal layer is pervious to a light emitted from the active layer and comprises a pattern.
    Type: Grant
    Filed: August 29, 2013
    Date of Patent: November 29, 2016
    Assignee: EPISTAR CORPORATION
    Inventors: Juin-Yang Chen, De-Shan Kuo, Chun-Hsiang Tu, Po-Shun Chiu, Chien-Kai Chung, Hui-Chun Yeh, Min-Yen Tsai, Tsun-Kai Ko, Chun-Teng Ko
  • Patent number: 9461209
    Abstract: A semiconductor light-emitting device includes a semiconductor stack comprising a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer, wherein the first semiconductor layer includes a periphery surface surrounding the active layer; a plurality of vias penetrating the semiconductor stack to expose the first semiconductor layer; and a patterned metal layer formed on the plurality of vias and covered the periphery surface of the first semiconductor layer.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: October 4, 2016
    Assignee: EPISTAR CORPORATION
    Inventors: Min-Yen Tsai, Chao-Hsing Chen, Tsung-Hsun Chiang, Wen-Hung Chuang, Bo-Jiun Hu, Tzu-Yao Tseng, Jia-Kuen Wang, Kuan-Yi Lee, Yi-Ming Chen, Chun-Yu Lin, Tsung-Hsien Yang, Tzu-Chieh Hsu, Kun-De Lin, Yao-Ning Chan, Chih-Chiang Lu
  • Publication number: 20160254409
    Abstract: A method for manufacturing a light-emitting element, including steps of: providing a wafer-level element including a wafer and a light-emitting stack on the wafer, wherein the wafer including an upper surface and a bottom surface, and light-emitting stack is formed on the upper surface of the wafer; forming a light-emitting stack on the upper surface of the wafer; cutting the wafer from one of the bottom surface or the top surface of the wafer by a water-jet laser having a first beam size; cutting the wafer from the other one of the bottom surface or the upper surface of the wafer by the water-jet laser having a second beam size; and dividing the wafer-level element wafer and the light-emitting stack into a plurality of light-emitting dies.
    Type: Application
    Filed: May 9, 2016
    Publication date: September 1, 2016
    Inventors: Min-Yen TSAI, De-Shan KUO
  • Publication number: 20160172560
    Abstract: A light-emitting element includes: a semiconductor light-emitting stack including a first semiconductor layer with a first conductivity, an active layer, and a second semiconductor layer with a second conductivity; a first conductive layer disposed on the semiconductor light-emitting stack and electrically connecting the second semiconductor layer; a first insulating layer on the first conductive layer; a second conductive layer disposed on the first insulating layer and electrically connecting the first semiconductor layer; a second insulating layer on the second conductive layer; a first pad and a second pad on the second conductive layer; and a cushion part disposed between the first pad and the second pad.
    Type: Application
    Filed: November 23, 2015
    Publication date: June 16, 2016
    Inventors: Chao-Hsing CHEN, Tsung-Hsun CHIANG, Chien-Chih LIAO, Wen-Hung CHUANG, Min-Yen TSAI, Bo-Jiun HU
  • Publication number: 20160013363
    Abstract: A light-emitting element comprises: a light-emitting stack configured to emit light; and a transparent substrate comprising an upper surface on which the light-emitting stack is formed, a bottom surface opposite to the upper surface, and a side surface connecting the upper surface with the bottom surface, wherein the side surface comprises a first arc portion, a second arc portion, and a transition portion between the first arc portion from and second arc portion.
    Type: Application
    Filed: July 8, 2014
    Publication date: January 14, 2016
    Inventors: Min-Yen TSAI, De-Shan KUO
  • Patent number: D768094
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: October 4, 2016
    Assignee: EPISTAR CORPORATION
    Inventors: Chao Hsing Chen, Tsung Hsun Chiang, Chien Chih Liao, Wen Hung Chuang, Min Yen Tsai, Bo Jiun Hu, Tzu Yao Tseng, Kuan Yi Lee, Jia Kuen Wang
  • Patent number: D769199
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: October 18, 2016
    Assignee: EPISTAR CORPORATION
    Inventors: Chao Hsing Chen, Tsung Hsun Chiang, Chien Chih Liao, Wen Hung Chuang, Bo Jiun Hu, Tzu Yao Tseng, Jia Kuen Wang, Tsun Kai Ko, Chien Fu Shen, Kuan Yi Lee, Min Yen Tsai
  • Patent number: D769831
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: October 25, 2016
    Assignee: EPISTAR CORPORATION
    Inventors: Chao Hsing Chen, Tzu Yao Tseng, Min Yen Tsai, Bo Jiun Hu, Kuan Yi Lee, Jia Kuen Wang, Tsung Hsun Chiang, Chien Chih Liao, Wen Hung Chuang
  • Patent number: D777693
    Type: Grant
    Filed: May 4, 2015
    Date of Patent: January 31, 2017
    Assignee: EPISTAR CORPORATION
    Inventors: Chao Hsing Chen, Tsung Hsun Chiang, Chien Chih Liao, Wen Hung Chuang, Min Yen Tsai, Bo Jiun Hu, Tzu Yao Tseng, Jia Kuen Wang, Tsun Kai Ko, Chien Fu Shen, Kuan Yi Lee
  • Patent number: D782428
    Type: Grant
    Filed: February 12, 2016
    Date of Patent: March 28, 2017
    Assignee: EPISTAR CORPORATION
    Inventor: Min-yen Tsai
  • Patent number: D824864
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: August 7, 2018
    Assignee: EPISTAR CORPORATION
    Inventors: Chao Hsing Chen, Tsung Hsun Chiang, Chien Chih Liao, Wen Hung Chuang, Min Yen Tsai, Bo Jiun Hu, Tzu Yao Tseng, Jia Kuen Wang, Tsun Kai Ko, Chien Fu Shen, Kuan Yi Lee
  • Patent number: D845920
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: April 16, 2019
    Assignee: EPISTAR CORPORATION
    Inventor: Min-yen Tsai
  • Patent number: D927436
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: August 10, 2021
    Assignee: EPISTAR CORPORATION
    Inventor: Min-Yen Tsai