Patents by Inventor Chi-Huang CHUANG

Chi-Huang CHUANG 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).

  • LED Light Tube
    Publication number: 20120176768
    Abstract: An LED (Light-Emitting Diode) light tube includes a transparent tube, a phosphor layer and a base board. The phosphor layer is coated on a surface of the transparent tube, wherein a thickness of the phosphor layer is 10-100 ?m. The base board is arranged inside the transparent tube for carrying a plurality of LEDs (Light-Emitting Diodes), wherein the length between the base board and the top of the transparent tube is H, and the distance between every two adjacent LEDs is P, and H/P is not smaller than 0.134 and H is 9.5-38 mm.
    Type: Application
    Filed: June 8, 2011
    Publication date: July 12, 2012
    Applicant: WELLYPOWER OPTRONICS CORPORATION
    Inventors: Kun-Hua WU, Chih-Hao LIN, Po-Chang CHEN, Cheng-Wei HUNG, Yan-Liang LIN, Chi-Huang CHUANG