Patents by Inventor Alexander Chan Wang

Alexander Chan 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).

  • Patent number: 10038029
    Abstract: A light-emitting device includes a growth substrate, a plurality of light-emitting diode units formed on the growth substrate and arranged in a closed loop, an electrode directly formed on the growth substrate, an electrical connection structure formed on the growth substrate and connecting the plurality of light-emitting diode units with the electrode, and a plurality of rectifying diodes connecting to respective nodes of the closed loop.
    Type: Grant
    Filed: August 18, 2015
    Date of Patent: July 31, 2018
    Assignee: EPISTAR CORPORATION
    Inventors: Chao-Hsing Chen, Schang-Jing Hon, Alexander Chan Wang, Li-Tian Liang, Chin-Yung Fan, Chien-Kai Chung, Min-Hsun Hsieh
  • Patent number: 9385108
    Abstract: The present application provides a multi-dimensional light-emitting device electrically connected to a power supply system. The multi-dimensional light-emitting device comprises a substrate, a blue light-emitting diode array and one or more phosphor layers. The blue light-emitting diode array, disposed on the substrate, comprises a plurality of blue light-emitting diode chips which are electrically connected. The multi-dimensional light-emitting device comprises a central area and a plurality of peripheral areas, which are arranged around the central area. The phosphor layer covers the central area. When the power supply system provides a high voltage, the central area and the peripheral areas of the multi-dimensional light-emitting device provide a first light and a plurality of second lights, respectively. The first light and the second lights are blended into a mixed light.
    Type: Grant
    Filed: April 3, 2015
    Date of Patent: July 5, 2016
    Assignee: EPISTAR CORPORATION
    Inventors: Chein-Fu Shen, Schang-Jing Hon, Tsun-Kai Ko, Alexander Chan Wang, Min-Hsun Hsieh, Cheng Nan Han
  • Publication number: 20150357371
    Abstract: A light-emitting device includes a growth substrate, a plurality of light-emitting diode units formed on the growth substrate and arranged in a closed loop, an electrode directly formed on the growth substrate, an electrical connection structure formed on the growth substrate and connecting the plurality of light-emitting diode units with the electrode, and a plurality of rectifying diodes connecting to respective nodes of the closed loop.
    Type: Application
    Filed: August 18, 2015
    Publication date: December 10, 2015
    Inventors: Chao-Hsing CHEN, Schang-Jing HON, Alexander Chan WANG, Li-Tian LIANG, Chin-Yung FAN, Chien-Kai CHUNG, Min-Hsun HSIEH
  • Patent number: 9142534
    Abstract: A light-emitting device is provided that is capable of being directly connected to an alternative current source, including at least one electronic element; at least one light-emitting diode array chip; at least one bonding pad, a conductive trace, and a submount for supporting the electronic element, the light-emitting diode array chip, the bonding pad, and the conductive trace. The conductive trace is electrically connected to the electronic element, the light-emitting diode array chip, and bonding pad.
    Type: Grant
    Filed: October 13, 2009
    Date of Patent: September 22, 2015
    Assignee: EPISTAR CORPORATION
    Inventors: Chao-Hsing Chen, Schang-Jing Hon, Alexander Chan Wang, Li-Tian Liang, Chin-Yung Fan, Chien-Kai Chung, Min-Hsun Hsieh
  • Publication number: 20150214196
    Abstract: The present application provides a multi-dimensional light-emitting device electrically connected to a power supply system. The multi-dimensional light-emitting device comprises a substrate, a blue light-emitting diode array and one or more phosphor layers. The blue light-emitting diode array, disposed on the substrate, comprises a plurality of blue light-emitting diode chips which are electrically connected. The multi-dimensional light-emitting device comprises a central area and a plurality of peripheral areas, which are arranged around the central area. The phosphor layer covers the central area. When the power supply system provides a high voltage, the central area and the peripheral areas of the multi-dimensional light-emitting device provide a first light and a plurality of second lights, respectively. The first light and the second lights are blended into a mixed light.
    Type: Application
    Filed: April 3, 2015
    Publication date: July 30, 2015
    Inventors: Chein-Fu SHEN, Schang-Jing HON, Tsun-Kai KO, Alexander Chan WANG, Min-Hsun HSIEH, Cheng Nan HAN
  • Patent number: 9000457
    Abstract: The present application provides a multi-dimensional light-emitting device electrically connected to a power supply system. The multi-dimensional light-emitting device comprises a substrate, a blue light-emitting diode array and one or more phosphor layers. The blue light-emitting diode array, disposed on the substrate, comprises a plurality of blue light-emitting diode chips which are electrically connected. The multi-dimensional light-emitting device comprises a central area and a plurality of peripheral areas, which are arranged around the central area. The phosphor layer covers the central area. When the power supply system provides a high voltage, the central area and the peripheral areas of the multi-dimensional light-emitting device provide a first light and a plurality of second lights, respectively. The first light and the second lights are blended into a mixed light.
    Type: Grant
    Filed: July 19, 2011
    Date of Patent: April 7, 2015
    Assignee: Epistar Corporation
    Inventors: Chien-Fu Shen, Schang-Jing Hon, Tsun-Kai Ko, Alexander Chan Wang, Min-Hsun Hsieh, Cheng Nan Han
  • Publication number: 20120012867
    Abstract: The present application provides a multi-dimensional light-emitting device electrically connected to a power supply system. The multi-dimensional light-emitting device comprises a substrate, a blue light-emitting diode array and one or more phosphor layers. The blue light-emitting diode array, disposed on the substrate, comprises a plurality of blue light-emitting diode chips which are electrically connected. The multi-dimensional light-emitting device comprises a central area and a plurality of peripheral areas, which are arranged around the central area. The phosphor layer covers the central area. When the power supply system provides a high voltage, the central area and the peripheral areas of the multi-dimensional light-emitting device provide a first light and a plurality of second lights, respectively. The first light and the second lights are blended into a mixed light.
    Type: Application
    Filed: July 19, 2011
    Publication date: January 19, 2012
    Applicant: Epistar Corporation
    Inventors: Chien-Fu Shen, Schang-Jing Hon, Tsun-Kai Ko, Alexander Chan Wang, Min-Hsun Hsieh, Cheng Nan Han
  • Publication number: 20110157884
    Abstract: A light-emitting device includes an insulating carrier; a light-emitting array formed on the insulating carrier including a first light-emitting circuit having a first light-emitting unit, wherein the first light-emitting circuit is a one-way circuit, a second light-emitting circuit having a second light-emitting unit, wherein the second light-emitting circuit is a one-way circuit, a first conductive layer, a second conductive layer, and a third conductive layer, wherein the first light-emitting circuit is formed between the first conductive layer and the second conductive layer and connects with them electrically, the second light-emitting circuit is formed between the second conductive layer and the third conductive layer and connects with them electrically, wherein an area of the second conductive layer is greater or equal to 1.9×103 ?m2.
    Type: Application
    Filed: December 30, 2010
    Publication date: June 30, 2011
    Inventors: Chao-Hsing Chen, Alexander Chan Wang, Chia-Ling Hsu
  • Publication number: 20080205201
    Abstract: A time display apparatus is disclosed and comprises at least a housing, a timetable panel, three pointers and a backlight unit. The timetable panel is disposed in the housing. The three pointers are coated with variety of phosphorescence materials respectively and vertically arranged on the timetable panel in order. The backlight unit is disposed below the timetable panel to generate a light source with a fixed wavelength to illuminate the phosphorescence materials of the three pointers, thereby generating different colors for showing hour, minute and second respectively.
    Type: Application
    Filed: April 25, 2008
    Publication date: August 28, 2008
    Inventors: Hwa Su, Alexander Chan Wang
  • Publication number: 20080151562
    Abstract: The fabrication structure for light emitting diode component is disclosed. The fabrication structure of the present invention includes a substrate, a plurality of cavities, a plurality of selection units, a first and a second directional predetermined cut. The plurality of cavities are arranged and disposed on the substrate to form an M rows×N columns matrix array. M and N are respectively a positive integer. Each selection unit corresponds to each cavity. The first directional predetermined cut is disposed between the rows, and the second directional predetermined cut is disposed between the columns. The first directional predetermined cut and the second directional predetermined cut are utilized to divide the substrate according to the plurality of selection units to obtain a X rows×Y columns area from the M rows×N columns matrix array.
    Type: Application
    Filed: March 7, 2008
    Publication date: June 26, 2008
    Inventors: Hwa Su, Alexander Chan Wang
  • Patent number: D631019
    Type: Grant
    Filed: April 21, 2010
    Date of Patent: January 18, 2011
    Assignee: Epistar Corporation
    Inventors: Alexander Chan Wang, Chia-Liang Hsu, Pang-Yen Liu