Patents by Inventor Yih-Hua Renn

Yih-Hua Renn 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: 11380824
    Abstract: The application discloses a light-emitting device including a carrier, a light-emitting element and a connecting structure. The carrier includes a first connecting portion and a first necking portion extended from the first connecting portion. The first connecting portion has a first width, and the first necking portion has a second width. The second width is less than the first width. The light-emitting element includes a first light-emitting layer being able to emit a first light and a first contacting electrode formed under the first light-emitting layer. The first contacting electrode is corresponded to the first connecting portion. The connecting structure includes a first electrical connecting portion and a protecting portion surrounding the first electrical connecting portion. The first electrical connecting portion is electrically connected to the first connecting portion and the first contacting electrode.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: July 5, 2022
    Assignee: EPISTAR CORPORATION
    Inventors: Ching-Tai Cheng, Shau-Yi Chen, Yih-Hua Renn, Wei-Shan Hu, Pei-Hsuan Lan
  • Patent number: 11355723
    Abstract: A light-emitting device includes a light-emitting element having a first electrode and a second electrode, a carrier, a first contact and a second contact. The first contact is arranged on the carrier and is electrically connected to the first electrode. The second contact is arranged on the carrier and is electrically connected to the second electrode. The first contact has a contour similar with that of the first electrode. The second contact has a contour similar with that of the second electrode.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: June 7, 2022
    Assignee: EPISTAR CORPORATION
    Inventors: Yih-Hua Renn, Shau-Yi Chen, Ching-Tai Cheng, Aurelien Gauthier-Brun
  • Patent number: 10950771
    Abstract: A light-emitting device includes a heat-dissipating structure having a first part and a second part separated from the first part; a light-emitting unit including a light-emitting element with a first pad formed on the first part; and a first transparent enclosing the light-emitting element and having a sidewall; and an adhesive material covering a portion of the sidewall.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: March 16, 2021
    Assignee: EPISTAR CORPORATION
    Inventors: Min-Hsun Hsieh, Biing-Jye Lee, Yih-Hua Renn, Jai-Tai Kuo
  • Publication number: 20210013443
    Abstract: A light-emitting device includes a light-emitting element having a first electrode and a second electrode, a carrier, a first contact and a second contact. The first contact is arranged on the carrier and is electrically connected to the first electrode. The second contact is arranged on the carrier and is electrically connected to the second electrode. The first contact has a contour similar with that of the first electrode. The second contact has a contour similar with that of the second electrode.
    Type: Application
    Filed: September 14, 2020
    Publication date: January 14, 2021
    Inventors: Yih-Hua Renn, Shau-Yi Chen, Ching-Tai Cheng, Aurelien Gauthier-Brun
  • Patent number: 10890553
    Abstract: A sensing device includes a first III-V compound stack and a second III-V compound stack. The first III-V compound stack has a first sensing area, and the second III-V compound stack has a second sensing area. A passivation layer fully covers the second sensing area. The first III-V compound stack is physically separated from the second III-V compound stack, and has material compositions and structures same as the second III-V compound stack.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: January 12, 2021
    Assignee: EPISTAR CORPORATION
    Inventors: Kunal Kashyap, Kun-Wei Kao, Yih-Hua Renn, Meng-Lun Tsai, Zong-Xi Chen, Hsin-Mao Liu, Jui-Hung Yeh, Hung-Chi Wang
  • Patent number: 10862011
    Abstract: A light-emitting device includes a light-emitting element and a wavelength conversion layer. The light-emitting element has a top surface, a bottom surface, a side surface, and a first electrical contact formed on the bottom surface. The distance between the top surface and the bottom surface has a first height (h1). The wavelength conversion layer has a first area (A1) located on the top surface of the light-emitting element and a second area (A2) located on the side surfaces and surrounding the first area. The first area has a second height (h2). The second area has a third height (h3) and a second width (w2). The second height (h2) is greater than the second width (w2). The difference of the third height and the sum of the first height and the second height is less than 15 ?m.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: December 8, 2020
    Assignee: EPISTAR CORPORATION
    Inventors: Yih-Hua Renn, Ching-Tai Cheng, Chun-Hua Shih
  • Publication number: 20200373468
    Abstract: The application discloses a light-emitting device including a carrier, a light-emitting element and a connecting structure. The carrier includes a first connecting portion and a first necking portion extended from the first connecting portion. The first connecting portion has a first width, and the first necking portion has a second width. The second width is less than the first width. The light-emitting element includes a first light-emitting layer being able to emit a first light and a first contacting electrode formed under the first light-emitting layer. The first contacting electrode is corresponded to the first connecting portion. The connecting structure includes a first electrical connecting portion and a protecting portion surrounding the first electrical connecting portion. The first electrical connecting portion is electrically connected to the first connecting portion and the first contacting electrode.
    Type: Application
    Filed: August 11, 2020
    Publication date: November 26, 2020
    Inventors: Ching-Tai CHENG, Shau-Yi CHEN, Yih-Hua RENN, Wei-Shan HU, Pei-Hsuan LAN
  • Patent number: 10825970
    Abstract: An embodiment of present disclosure discloses a light-emitting device which includes a light-emitting unit, a transparent covering structure, a first reflective structure, a second reflective structure, and a wavelength conversion structure. The light-emitting unit includes a light-emitting surface, a bottom surface opposite to the light-emitting surface, a side surface, a first conductive electrode, and a second conductive electrode. The first conductive electrode and the second conductive electrode are located on the bottom surface. The transparent covering structure covers the light-emitting surface and the side surface. The first reflective structure surrounds the transparent covering structure. The second reflective structure is disposed under the first reflective structure and surrounds the first conductive electrode and the second conductive electrode. The wavelength conversion structure is disposed on the first reflective structure and the transparent covering structure.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: November 3, 2020
    Assignee: Epistar Corporation
    Inventors: Min-Hsun Hsieh, Ming-Chi Hsu, Ching-Tai Cheng, Yu-Hsi Sung, Lung-Kuan Lai, Yih-Hua Renn
  • Patent number: 10804435
    Abstract: A light-emitting device includes a semiconductor stack including a first semiconductor layer, a second semiconductor layer, and an active layer emitting an UV light, formed between the first semiconductor layer and the second semiconductor layer; a first transparent conductive layer formed on the second semiconductor layer, the first transparent conductive layer including metal oxide; and a second transparent conductive layer formed on the first transparent conductive layer, the second transparent conductive layer including graphene, wherein the first transparent conductive layer is continuously formed over a top surface of the second semiconductor layer, the first transparent conductive layer comprises a thickness smaller than 10 nm.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: October 13, 2020
    Assignee: EPISTAR CORPORATION
    Inventors: Chang-Tai Hisao, I-Lun Ma, Hao-Yu Chen, Shu-Fen Hu, Ru-Shi Liu, Chih-Ming Wang, Chun-Yuan Chen, Yih-Hua Renn, Chien-Hsin Wang, Yung-Hsiang Lin
  • Patent number: 10777764
    Abstract: A light-emitting device includes a light-emitting element having a first electrode and a second electrode, a carrier, a first contact and a second contact. The first contact is arranged on the carrier and is electrically connected to the first electrode. The second contact is arranged on the carrier and is electrically connected to the second electrode. The first contact has a contour similar with that of the first electrode. The second contact has a contour similar with that of the second electrode.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: September 15, 2020
    Assignee: Epistar Corporation
    Inventors: Yih-Hua Renn, Shau-Yi Chen, Ching-Tai Cheng, Aurelien Gauthier-Brun
  • Patent number: 10741734
    Abstract: The application discloses a light-emitting device including a carrier, a light-emitting element and a connecting structure. The carrier includes a first connecting portion and a first necking portion extended from the first connecting portion. The first connecting portion has a first width, and the first necking portion has a second width. The second width is less than the first width. The light-emitting element includes a first light-emitting layer being able to emit a first light and a first contacting electrode formed under the first light-emitting layer. The first contacting electrode is corresponded to the first connecting portion. The connecting structure includes a first electrical connecting portion and a protecting portion surrounding the first electrical connecting portion. The first electrical connecting portion is electrically connected to the first connecting portion and the first contacting electrode.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: August 11, 2020
    Assignee: EPISTAR CORPORATION
    Inventors: Ching-Tai Cheng, Shau-Yi Chen, Yih-Hua Renn, Wei-Shan Hu, Pei-Hsuan Lan
  • Patent number: 10714666
    Abstract: A light-emitting device includes a light body having an internal electrode layer, and a conductive layer. The conductive layer has a first portion formed on the internal electrode layer and overlapping the light body in a first direction, and a second portion overlapping the light body in a second direction. The first direction is perpendicular to the second direction.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: July 14, 2020
    Assignee: Epistar Corporation
    Inventors: Lung-Kuan Lai, Ching-Tai Cheng, Yih-Hua Renn, Min-Hsun Hsieh, Chun-Hung Liu, Shih-An Liao, Ming-Chi Hsu, Yu Chen Liao
  • Publication number: 20200220061
    Abstract: A light-emitting device includes a heat-dissipating structure having a first part and a second part separated from the first part; a light-emitting unit including a light-emitting element with a first pad formed on the first part; and a first transparent enclosing the light-emitting element and having a sidewall; and an adhesive material covering a portion of the sidewall.
    Type: Application
    Filed: March 16, 2020
    Publication date: July 9, 2020
    Inventors: Min-Hsun HSIEH, Biing-Jye LEE, Yih-Hua RENN, Jai-Tai KUO
  • Patent number: 10593849
    Abstract: This disclosure discloses a light-emitting device. The light-emitting device includes: a heat-dissipating structure having a first part and a second part separated from the first part; a light-emitting unit including a light-emitting element with a first pad formed on the first part; and a first transparent enclosing the light-emitting element and having a sidewall; and an adhesive material covering a portion of the sidewall.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: March 17, 2020
    Assignee: EPISTAR CORPORATION
    Inventors: Min-Hsun Hsieh, Biing-Jye Lee, Yih-Hua Renn, Jai-Tai Kuo
  • Patent number: 10522721
    Abstract: A light-emitting device includes a light-emitting element, a wavelength conversion layer, a light pervious element and a light-reflecting enclosure. The light-emitting element includes a top surface, a bottom surface, and a side surface between the top surface and the bottom surface. The wavelength conversion layer covers the top surface of the light-emitting element, and includes a plurality of wavelength conversion particles having an equivalent particle diameter D50. The light pervious element includes a recess structure and an outer wall. The light-reflecting enclosure surrounds the outer wall. The D50 of the wavelength conversion particles is not great than 10 ?m. The recess structure is laterally overlapped with the side surface of the light-emitting element and the wavelength conversion layer.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: December 31, 2019
    Assignee: EPISTAR CORPORATION
    Inventors: Ching-Tai Cheng, Chun-Hua Shih, Yih-Hua Renn
  • Patent number: 10381536
    Abstract: A light-emitting device includes a light-emitting element, a light pervious layer, an electrode defining layer, a first soldering pad and a second soldering pad. The light-emitting element has an upper surface, a bottom surface, and a lateral surface arranged between the upper surface and the bottom surface. The light pervious layer covers the upper surface and the lateral surface. The electrode defining layer covers a part of the light pervious layer. The first soldering pad and the second soldering pad are surrounded by the electrode defining layer. A gap is located between the first soldering pad and the second soldering pad while the gap remains substantially constant.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: August 13, 2019
    Assignee: EPISTAR CORPORATION
    Inventors: Ching-Tai Cheng, Lung-Kuan Lai, Yih-Hua Renn, Min-Hsun Hsieh
  • Publication number: 20190237637
    Abstract: The application discloses a light-emitting device including a carrier, a light-emitting element and a connecting structure. The carrier includes a first connecting portion and a first necking portion extended from the first connecting portion. The first connecting portion has a first width, and the first necking portion has a second width. The second width is less than the first width. The light-emitting element includes a first light-emitting layer being able to emit a first light and a first contacting electrode formed under the first light-emitting layer. The first contacting electrode is corresponded to the first connecting portion. The connecting structure includes a first electrical connecting portion and a protecting portion surrounding the first electrical connecting portion. The first electrical connecting portion is electrically connected to the first connecting portion and the first contacting electrode.
    Type: Application
    Filed: January 30, 2019
    Publication date: August 1, 2019
    Inventors: Ching-Tai CHENG, Shau-Yi CHEN, Yih-Hua RENN, Wei-Shan HU, Pei-Hsuan LAN
  • Publication number: 20190221728
    Abstract: An embodiment of present disclosure discloses a light-emitting device which includes a first light-emitting unit, a second light-emitting unit, a first optic structure, a second optic structure, a first light-transmitting structure, a second light-transmitting structure, and a light-blocking structure. The first optic structure covers a top surface and a side surface of the first light-emitting unit, the second optic structure covers a top surface and a side surface of the second light-emitting unit. The first light-transmitting structure covers the first optic structure. The second light-transmitting structure covers the second optic structure. The light-blocking structure surrounds the first light-emitting unit and the second light-emitting unit, and covers the side surfaces of the first optic structure, the second optic structure, the first light-transmitting structure and the second light-transmitting structure.
    Type: Application
    Filed: January 17, 2019
    Publication date: July 18, 2019
    Inventors: Jen-Chieh YU, Yih-Hua RENN, Hsin-Mao LIU, Lung-Kuan LAI, Ching-Tai CHENG
  • Publication number: 20190207069
    Abstract: A light-emitting device includes a light body having an internal electrode layer, and a conductive layer. The conductive layer has a first portion formed on the internal electrode layer and overlapping the light body in a first direction, and a second portion overlapping the light body in a second direction. The first direction is perpendicular to the second direction.
    Type: Application
    Filed: March 11, 2019
    Publication date: July 4, 2019
    Inventors: Lung-Kuan LAI, Ching-Tai CHENG, Yih-Hua RENN, Min-Hsun HSIEH, Chun-Hung LIU, Shih-An LIAO, Ming-Chi HSU, Yu Chen LIAO
  • Patent number: 10340431
    Abstract: This disclosure discloses a light-emitting device. The light-emitting device includes a light-emitting diode, a pad electrically connected to the active layer, a metal bump formed on the pad, and a reflective insulation layer. The metal bump has a first side surface and a first bottom surface, wherein the first bottom surface comprises a curved boundary, a longer axis, and a shorter axis. The reflective insulation layer is directly contacting the first side surface, and exposing the first bottom surface.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: July 2, 2019
    Assignee: EPISTAR CORPORATION
    Inventors: Jai-Tai Kuo, Min-Hsun Hsieh, Lung-Kuan Lai, Wei-Kang Cheng, Chien-Liang Liu, Yih-Hua Renn, Shou-Lung Chen, Tsun-Kai Ko, Chi-Chih Pu