Patents Assigned to Ledtech Electronics Corp.
  • Publication number: 20080198590
    Abstract: A male terminal cap and a female terminal cap are mounted on the two ends of a strip light shade to form an extensible strip light shade. Electrical contacts are formed in the terminal caps for electrical coupling when two light shades are connected through mechanical coupling of the terminal caps.
    Type: Application
    Filed: May 2, 2007
    Publication date: August 21, 2008
    Applicant: LEDTECH ELECTRONICS CORP.
    Inventors: Shu Shoung KUO, Yen Fu LIU, Yu Yang LIU
  • Publication number: 20080164487
    Abstract: A ceramic light emitted diode (LED) package has a pair of discrete reflection walls to reflect light emission from the LED. With two opposite reflection walls and two opposite openings around the LED, light emitted from the LED package can be fanned out.
    Type: Application
    Filed: February 15, 2007
    Publication date: July 10, 2008
    Applicant: LEDTECH ELECTRONICS CORP.
    Inventors: Hsin-Chun LIU, Yao-I WANG, Chih-Liang SU, Fang-Po WANG
  • Patent number: 7344290
    Abstract: A Lamp module, which includes a metal holder frame that defines a longitudinal open chamber and transverse mounting slots across the longitudinal open chamber, LEDs that are respectively mounted in the transverse mounting slots and have a respective top metal frame fastened to the top wall of the metal holder frame for quick dissipation of heat, light guides mounted in the longitudinal open chamber of the holder frame and respectively perpendicularly attached to the LEDs, and reflectors respectively embedded in the light guides for reflecting light in one direction.
    Type: Grant
    Filed: September 20, 2005
    Date of Patent: March 18, 2008
    Assignee: Ledtech Electronics Corp.
    Inventors: Ming-Chung Huang, Yu-Yang Liu
  • Publication number: 20070133202
    Abstract: A LED lamp tube is disclosed to include a tube that admits light, circuit boards respectively mounted inside the tube, each circuit board carrying an array of LEDs, two end caps respectively capped on the ends of the tube to hold the circuit boards inside the tube and connectable to connectors of a conventional fluorescent bulb holder to secure the tube to the conventional fluorescent bulb holder, and a power cord extending from the circuit boards out of the tube for connection to power supply to obtain the necessary working voltage for the LEDs.
    Type: Application
    Filed: December 14, 2005
    Publication date: June 14, 2007
    Applicant: LEDTECH ELECTRONICS CORP.
    Inventors: Ming-Chung Huang, Yu-Yang Liu, Fu-Hsung Ou, Ying-Hsuan Chen
  • Publication number: 20070070631
    Abstract: A LED lamp tube connectable to a conventional lamp holder is disclosed to include a circuit board, multiple arrays of LEDs (light emitting diodes) installed in the circuit board, an outer tubular shell that accommodates the circuit board and the LEDs, and two electric connectors provided at the two ends of the circuit board and extending out of the tubular shell for connecting the circuit board to respective connecting holes at a conventional lamp holder to obtain the necessary working voltage.
    Type: Application
    Filed: September 27, 2005
    Publication date: March 29, 2007
    Applicant: LEDTECH ELECTRONICS CORP.
    Inventors: Ming-Chung Huang, Yu-Yang Liu
  • Publication number: 20070064418
    Abstract: A Lamp module, which includes a metal holder frame that defines a longitudinal open chamber and transverse mounting slots across the longitudinal open chamber, LEDs that are respectively mounted in the transverse mounting slots and have a respective top metal frame fastened to the top wall of the metal holder frame for quick dissipation of heat, light guides mounted in the longitudinal open chamber of the holder frame and respectively perpendicularly attached to the LEDs, and reflectors respectively embedded in the light guides for reflecting light in one direction.
    Type: Application
    Filed: September 20, 2005
    Publication date: March 22, 2007
    Applicant: LEDTECH ELECTRONICS CORP.
    Inventors: Ming-Chung Huang, Yu-Yang Liu
  • Publication number: 20070025119
    Abstract: An LED module is disclosed to include a light guide tube, two LEDs provided at the two ends of the light guide tube, a reflector strip, which has an arched reflecting surface for reflecting light from the LEDs, and a converter for converting input power supply to the desired working voltage level for the LEDs.
    Type: Application
    Filed: August 1, 2005
    Publication date: February 1, 2007
    Applicant: LEDTECH ELECTRONICS CORP.
    Inventors: Wen-Jack Chang-Jien, Ming-Chung Huang, Yu-Yang Liu
  • Patent number: D554277
    Type: Grant
    Filed: March 31, 2007
    Date of Patent: October 30, 2007
    Assignee: Ledtech Electronics Corp.
    Inventors: Yu-Yang Liu, Wen-Chieh Chang Chien
  • Patent number: D567968
    Type: Grant
    Filed: February 15, 2007
    Date of Patent: April 29, 2008
    Assignee: Ledtech Electronics Corp.
    Inventors: Hsin-Chun Liu, Yao-I Wang, Chih-Liang Su, Fang-Po Wang
  • Patent number: D578248
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: October 7, 2008
    Assignee: Ledtech Electronics Corp.
    Inventors: Hung-Hsin Lee, Yen-Fu Liu