Patents by Inventor Hsin-Ying Wang

Hsin-Ying Wang 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: 20200373472
    Abstract: A light-emitting diode, includes a semiconductor stack, including a first semiconductor layer, an active region, and a second semiconductor layer; a transparent conductive layer formed on the semiconductor stack and electrically connected to the second semiconductor layer; an insulating layer formed on the transparent conductive layer, including a first opening; and an electrode layer formed on the insulating layer, including a first pad and a first extension extending from the first pad; wherein the first extension contacts the transparent conductive layer through the first opening and covers the entire first opening.
    Type: Application
    Filed: May 18, 2020
    Publication date: November 26, 2020
    Inventors: Jhih Yong Yang, Hsin Ying Wang, De Shan Kuo
  • Patent number: 10784427
    Abstract: A light-emitting device includes a first edge to a fourth edge; a semiconductor stack formed on a substrate, including a first semiconductor layer, a second semiconductor layer and an active layer; a first electrode formed on the first semiconductor layer, including a first pad electrode and a first finger electrode; and a second electrode formed on the second semiconductor layer, including a second pad electrode and a second finger electrode; wherein the first finger electrode is disposed at and along the first edge; and the first finger electrode includes a first overlapping portion overlapping the second finger electrode; the second finger electrode includes a second overlapping portion overlapping the first finger electrode and a non-overlapping portion that does not overlap the first finger electrode; and the second overlapping portion is not parallel with the first overlapping portion and the non-overlapping portion is not parallel with the first edge.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: September 22, 2020
    Assignee: EPISTAR CORPORATION
    Inventors: Li-Ming Chang, Tzung-Shiun Yeh, Chien-Fu Shen, Yu-Rui Lin, Chen Ou, Hsin-Ying Wang, Hui-Chun Yeh
  • Publication number: 20200243598
    Abstract: A light-emitting device, includes a substrate, including an upper surface; a first light emitting unit and a second light emitting unit, formed on the upper surface, wherein each of the first light emitting unit and the second light emitting unit includes a lower semiconductor portion and an upper semiconductor portion; and a conductive structure electrically connecting the first light emitting unit and the second light emitting unit; wherein the lower semiconductor portion of the first light emitting unit includes a first sidewall and a first upper surface; and wherein the first side wall includes a first sub-side wall and a second sub-side wall, an obtuse angle is formed between the first sub-side wall and the first upper surface and another obtuse angle is formed between the second sub-side wall and the upper surface.
    Type: Application
    Filed: January 23, 2020
    Publication date: July 30, 2020
    Inventors: Po-Shun CHIU, Tsung-Hsun CHIANG, Liang-Sheng CHI, Jing JIANG, Jie CHEN, Tzung-Shiun YEH, Hsin-Ying WANG, Hui-Chun YEH, Chien-Fu SHEN
  • Publication number: 20200044116
    Abstract: A light-emitting device includes a substrate including a top surface, a first side surface and a second side surface, wherein the first side surface and the second side surface of the substrate are respectively connected to two opposite sides of the top surface of the substrate; a semiconductor stack formed on the top surface of the substrate, the semiconductor stack including a first semiconductor layer, a second semiconductor layer, and an active layer formed between the first semiconductor layer and the second semiconductor layer; a first electrode pad formed adjacent to a first edge of the light-emitting device; and a second electrode pad formed adjacent to a second edge of the light-emitting device, wherein in a top view of the light-emitting device, the first edge and the second edge are formed on different sides or opposite sides of the light-emitting device, the first semiconductor layer adjacent to the first edge includes a first sidewall directly connected to the first side surface of the substrate,
    Type: Application
    Filed: August 1, 2019
    Publication date: February 6, 2020
    Inventors: Chao-Hsing CHEN, Cheng-Lin LU, Chih-Hao CHEN, Chi-Shiang HSU, I-Lun MA, Meng-Hsiang HONG, Hsin-Ying WANG, Kuo-Ching HUNG, Yi-Hung LIN
  • Publication number: 20200020839
    Abstract: A light-emitting device includes a first edge to a fourth edge; a semiconductor stack formed on a substrate, including a first semiconductor layer, a second semiconductor layer and an active layer; a first electrode formed on the first semiconductor layer, including a first pad electrode and a first finger electrode; and a second electrode formed on the second semiconductor layer, including a second pad electrode and a second finger electrode; wherein the first finger electrode is disposed at and along the first edge; and the first finger electrode includes a first overlapping portion overlapping the second finger electrode; the second finger electrode includes a second overlapping portion overlapping the first finger electrode and a non-overlapping portion that does not overlap the first finger electrode; and the second overlapping portion is not parallel with the first overlapping portion and the non-overlapping portion is not parallel with the first edge.
    Type: Application
    Filed: September 23, 2019
    Publication date: January 16, 2020
    Inventors: Li-Ming CHANG, Tzung-Shiun YEH, Chien-Fu SHEN, Yu-Rui LIN, Chen OU, Hsin-Ying WANG, Hui-Chun YEH
  • Patent number: 10505092
    Abstract: A light-emitting element, includes a first edge, a second edge, a third edge and a fourth edge; a substrate; a semiconductor stack formed on the substrate, including a first semiconductor layer, a second semiconductor layer and an active layer formed therebetween; a transparent conductive layer, formed on the second semiconductor layer; a first electrode formed on the first semiconductor layer, including a first pad electrode and a first finger electrode extending from the first pad electrode; and a second electrode formed on the first second semiconductor layer, including a second pad electrode and a second finger electrode extending from the second pad electrode; wherein the first finger electrode is disposed at and along the first edge; and wherein in top view, an overlapping portions of the first finger electrode and the second finger electrode are non-parallel.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: December 10, 2019
    Assignee: EPISTAR CORPORATION
    Inventors: Li-Ming Chang, Tzung-Shiun Yeh, Chien-Fu Shen, Yu-Rui Lin, Chen Ou, Hsin-Ying Wang, Hui-Chun Yeh
  • Patent number: 10396243
    Abstract: A light-emitting device includes: a rectangular shape with a first side, a second side opposite to the first side, and a third side connecting the first side and the second side; a light-emitting stack, comprising a lower semiconductor layer, an upper semiconductor layer, and an active layer between the lower semiconductor layer and the upper semiconductor layer; a first electrode formed on the lower semiconductor layer, comprising a first electrode pad and a first extension electrode; a second electrode formed on the upper semiconductor layer, comprising a second electrode pad and a second extension electrode; and a first current blocking layer formed between the lower semiconductor layer and the first electrode pad, wherein the first current blocking layer comprises a top surface and side surfaces; wherein the first electrode pad covers the top surface and the side surfaces of the first current blocking layer and contacts the lower semiconductor layer.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: August 27, 2019
    Assignee: Epistar Corporation
    Inventors: Chien-Kai Chung, Po-Shun Chiu, Hsin-Ying Wang, De-Shan Kuo, Tsun-Kai Ko, Yu-Ting Huang
  • Publication number: 20190189850
    Abstract: A light-emitting device, includes a first semiconductor stack formed on a substrate, including a first semiconductor layer, a second semiconductor layer and an active layer formed therebetween; a first electrode formed on the first semiconductor layer; a second electrode formed on the second semiconductor layer, including a second pad electrode and a second finger electrode extending from the second pad electrode; a second current blocking region formed under the second electrode, including a second core region under the second pad electrode and a extending region under the second finger electrode; and a transparent conductive layer, formed on the second semiconductor layer and covering the extending region; wherein a contour of the second core region has a shape different from that of the second pad electrode; wherein the transparent conductive layer includes a first opening having a width wider than a width of the second pad electrode, wherein the second finger electrode includes a portion extending from th
    Type: Application
    Filed: December 14, 2018
    Publication date: June 20, 2019
    Inventors: Hsin-Ying WANG, Hui-Chun YEH, Li-Ming CHANG, Chien-Fu SHEN, Chen OU
  • Publication number: 20190035846
    Abstract: Disclosed herein is a light-emitting device.
    Type: Application
    Filed: July 17, 2018
    Publication date: January 31, 2019
    Inventors: Chien-Fu SHEN, Chao-Hsing CHEN, Tsun-Kai KO, Schang-Jing HON, Sheng-Jie HSU, De-Shan KUO, Hsin-Ying WANG, Chiu-Lin YAO, Chien-Fu HUANG, Hsin-Mao LIU, Chien-Kai CHUNG
  • Publication number: 20180315889
    Abstract: A light-emitting device includes: a rectangular shape with a first side, a second side opposite to the first side, and a third side connecting the first side and the second side; a light-emitting stack, comprising a lower semiconductor layer, an upper semiconductor layer, and an active layer between the lower semiconductor layer and the upper semiconductor layer; a first electrode formed on the lower semiconductor layer, comprising a first electrode pad and a first extension electrode; a second electrode formed on the upper semiconductor layer, comprising a second electrode pad and a second extension electrode; and a first current blocking layer formed between the lower semiconductor layer and the first electrode pad, wherein the first current blocking layer comprises a top surface and side surfaces; wherein the first electrode pad covers the top surface and the side surfaces of the first current blocking layer and contacts the lower semiconductor layer.
    Type: Application
    Filed: July 9, 2018
    Publication date: November 1, 2018
    Inventors: Chien-Kai CHUNG, Po-Shun CHIU, Hsin-Ying WANG, De-Shan KUO, Tsun-Kai KO, Yu-Ting HUANG
  • Patent number: 10090440
    Abstract: A light-emitting device is provided. The light-emitting device comprises a substrate; a semiconductor stack on the substrate comprising a first region and a second region; a first trench extending from the semiconductor stack to the substrate to expose a surface of the substrate and separating the first region from the second region; and a first electrode comprising a first pad on the first region and a first extending electrode connecting to the first pad, wherein the first extending electrode is across the first trench.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: October 2, 2018
    Assignee: EPISTAR CORPORATION
    Inventors: Victor Liu, De-Shan Kuo, Hsin-Ying Wang, Chun-Hsiang Tu, Yu-Ting Huang
  • Patent number: 10062730
    Abstract: Disclosed herein is a light-emitting device. The light-emitting device includes a substrate; a first light-emitting unit and a second light-emitting unit, separately formed on the substrate; a trench between the first and the second light-emitting units, including a bottom portion exposing the substrate; an insulating layer, comprising a first part formed on the first light-emitting unit or the second light-emitting unit, and a second part conformably formed on the trench covering the bottom portion and sidewalls of the first light-emitting unit and the second light-emitting unit; and an electrical connection, electrically connecting the first light-emitting unit and the second light-emitting unit, comprising a bridging portion formed on the second part of the insulating layer, and only covering a portion of the trench; and a joining portion, extending from the bridging portion and formed on the first part of the insulating layer; wherein the bridging portion is wider than the joining portion in a top view.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: August 28, 2018
    Assignee: EPISTAR CORPORATION
    Inventors: Chien-Fu Shen, Chao-Hsing Chen, Tsun-Kai Ko, Schang-Jing Hon, Sheng-Jie Hsu, De-Shan Kuo, Hsin-Ying Wang, Chiu-Lin Yao, Chien-Fu Huang, Hsin-Mao Liu, Chien-Kai Chung
  • Patent number: 10056525
    Abstract: A light-emitting device includes: a rectangular shape with a 1st side, a 2nd side opposite to the 1st side, and a 3rd side connecting the 1st and the 2nd sides; a first electrode pad formed adjacent to the 3rd side; a second electrode pad formed adjacent to the 2nd side; a first extension electrode, extending from the first electrode pad in a direction away from the 3rd side and bended toward the 2nd side; and a second extension electrode, including a first and a second branches respectively extending from the second electrode pad; wherein a distance between the first electrode pad and the 3rd side is smaller than a distance between the second electrode pad and the 3rd side; wherein an end portion of the first branch includes a first arc bending to the 3rd side and a minimum distance between the first branch and the 1st side is smaller than a minimum distance between the second branch and the 1st side.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: August 21, 2018
    Assignee: EPISTAR CORPORATION
    Inventors: Chien-Kai Chung, Po-Shun Chiu, Hsin-Ying Wang, De-Shan Kuo, Tsun-Kai Ko, Yu-Ting Huang
  • Publication number: 20180212123
    Abstract: A light-emitting element, includes a first edge, a second edge, a third edge and a fourth edge; a substrate; a semiconductor stack formed on the substrate, including a first semiconductor layer, a second semiconductor layer and an active layer formed therebetween; a transparent conductive layer, formed on the second semiconductor layer; a first electrode formed on the first semiconductor layer, including a first pad electrode and a first finger electrode extending from the first pad electrode; and a second electrode formed on the first second semiconductor layer, including a second pad electrode and a second finger electrode extending from the second pad electrode; wherein the first finger electrode is disposed at and along the first edge; and wherein in top view, an overlapping portions of the first finger electrode and the second finger electrode are non-parallel.
    Type: Application
    Filed: January 18, 2018
    Publication date: July 26, 2018
    Inventors: Li-Ming CHANG, Tzung-Shiun YEH, Chien-Fu SHEN, Yu-Rui LIN, Chen OU, Hsin-Ying WANG, Hui-Chun YEH
  • Patent number: 9887320
    Abstract: A light-emitting element, includes a substrate; a light-emitting stack formed on the substrate, including a triangular upper surface parallel to the substrate, having three sides and three vertexes; a first electrode formed on the light-emitting stack and located near a first vertex of the three vertexes of the triangular upper surface; and a second electrode formed on the light-emitting stack; including two second electrode pads respectively located near other two vertexes of the three vertexes; and a second electrode extending part extending from the second electrode pads, disposed along the three sides of the triangular upper surface.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: February 6, 2018
    Assignee: Epistar Corporation
    Inventors: Hsin-Ying Wang, De-Shan Kuo, Wen-Hung Chuang, Tsun-Kai Ko, Chia-Chen Tsai, Chyi-Yang Sheu, Chun-Chang Chen
  • Publication number: 20170365741
    Abstract: A light-emitting device includes: a rectangular shape with a 1st side, a 2nd side opposite to the 1st side, and a 3rd side connecting the 1st and the 2nd sides; a first electrode pad formed adjacent to the 3rd side; a second electrode pad formed adjacent to the 2nd side; a first extension electrode, extending from the first electrode pad in a direction away from the 3rd side and bended toward the 2nd side; and a second extension electrode, including a first and a second branches respectively extending from the second electrode pad; wherein a distance between the first electrode pad and the 3rd side is smaller than a distance between the second electrode pad and the 3rd side; wherein an end portion of the first branch includes a first arc bending to the 3rd side and a minimum distance between the first branch and the 1st side is smaller than a minimum distance between the second branch and the 1st side.
    Type: Application
    Filed: August 31, 2017
    Publication date: December 21, 2017
    Inventors: Chien-Kai CHUNG, Po-Shun CHIU, Hsin-Ying WANG, De-Shan KUO, Tsun-Kai KO, Yu-Ting HUANG
  • Patent number: 9755109
    Abstract: A light-emitting device includes: a light-emitting stack including a first side, a second side opposite to the first side, a third side connecting the first side and the second side, and an upper surface between the first side and the second side; a first electrode pad formed on the upper surface; a second electrode pad formed on the upper surface, wherein the first electrode pad is closer to the first side than the second electrode pad; and a first extension electrode including a first section extended from the first electrode pad in a direction away from the third side, and a second section connecting to the first section and perpendicular to the first side; wherein a distance between the first electrode pad and the third side is smaller than a distance between the second electrode pad and the third side.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: September 5, 2017
    Assignee: EPISTAR CORPORATION
    Inventors: Chien-Kai Chung, Po-Shun Chiu, Hsin-Ying Wang, De-Shan Kuo, Tsun-Kai Ko, Yu-Ting Huang
  • Publication number: 20170077350
    Abstract: A light-emitting element, includes a substrate; a light-emitting stack formed on the substrate, including a triangular upper surface parallel to the substrate, having three sides and three vertexes; a first electrode formed on the light-emitting stack and located near a first vertex of the three vertexes of the triangular upper surface; and a second electrode formed on the light-emitting stack; including two second electrode pads respectively located near other two vertexes of the three vertexes; and a second electrode extending part extending from the second electrode pads, disposed along the three sides of the triangular upper surface.
    Type: Application
    Filed: November 3, 2016
    Publication date: March 16, 2017
    Inventors: HSIN-YING WANG, DE-SHAN KUO, WEN-HUNG CHUANG, TSUN-KAI KO, CHIA-CHEN TSAI, CHYI-YANG SHEU, CHUN-CHANG CHEN
  • Publication number: 20160343909
    Abstract: A light-emitting device includes: a light-emitting stack including a first side, a second side opposite to the first side, a third side connecting the first side and the second side, and an upper surface between the first side and the second side; a first electrode pad formed on the upper surface; a second electrode pad formed on the upper surface, wherein the first electrode pad is closer to the first side than the second electrode pad; and a first extension electrode including a first section extended from the first electrode pad in a direction away from the third side, and a second section connecting to the first section and perpendicular to the first side; wherein a distance between the first electrode pad and the third side is smaller than a distance between the second electrode pad and the third side.
    Type: Application
    Filed: August 4, 2016
    Publication date: November 24, 2016
    Inventors: Chien-Kai CHUNG, Po-Shun CHIU, Hsin-Ying WANG, De-Shan KUO, Tsun-Kai KO, Yu-Ting HUANG
  • Patent number: D853340
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: July 9, 2019
    Assignee: EPISTAR CORPORATION
    Inventors: Hsin Ying Wang, Tzung Shiun Yeh, Cheng Yu Li, Chien Fu Shen