Patents by Inventor Tan Kheng Leng

Tan Kheng Leng 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).

  • LFCC package with a reflector cup surrounded by a single encapsulant
    Patent number: 8089075
    Abstract: In an embodiment, the invention provides a LFCC package comprising first, second and third lead frames, a light source, and an encapsulant. The first lead frame comprises two tongues and a reflector cup. The first, second and third lead frames are attached to the encapsulant. The light source is mounted at the bottom of the inside of the reflector cup. The light source is electrically connected to the second and third lead frames by wire bonds. The reflector cup is surrounded on at least four sides by the encapsulant, the encapsulant being an integral single piece structure.
    Type: Grant
    Filed: April 17, 2009
    Date of Patent: January 3, 2012
    Assignee: Avago Technologies ECBU IP (Singapore) Pte. Ltd.
    Inventors: Ng Keat Chuan, Yong Lig Yi, Keh Kean Loo, Tan Kheng Leng
  • PLCC Package With A Reflector Cup Surrounded By A Single Encapsulant
    Publication number: 20100264436
    Abstract: In an embodiment the invention provides a LFCC package comprising first, second and third lead frames, a light source, and an encapsulant. The first lead frame comprises two tongues and a reflector cup. The first, second and third lead frames are attached to the encapsulant. The light source is mounted at the bottom of the inside of the reflector cup. The light source is electrically connected to the second and third lead frames by wire bonds. The reflector cup is surrounded on at least four sides by the encapsulant, the encapsulant being an integral single piece structure.
    Type: Application
    Filed: April 17, 2009
    Publication date: October 21, 2010
    Applicant: Avago Technologies ECBU IP (Singapore) Pte. Ltd.
    Inventors: Ng Keat Chuan, Yong Lig Yi, Keh Kean Loo, Tan Kheng Leng
  • LED devices having improved containment for liquid encapsulant
    Patent number: 7737634
    Abstract: A light emitting diode (“LED”) Device with Flexible Containment for Liquid Encapsulant is disclosed. The LED Device with Flexible Containment for Liquid Encapsulant includes an LED in a concave base housing, the LED having a p-doped semiconductor body and an n-doped semiconductor body. The device further includes a liquid containment chamber over the LED, configured to contain liquid encapsulant, and space permitting expansion and contraction of the liquid encapsulant in the chamber.
    Type: Grant
    Filed: March 6, 2006
    Date of Patent: June 15, 2010
    Assignee: Avago Technologies General IP (Singapore) Pte. Ltd.
    Inventors: Margaret Tan Kheng Leng, Janet Bee Yin Chua
  • Light emitting device
    Patent number: 7652297
    Abstract: A light emitting device is disclosed herein. An embodiment of the light emitting device comprises a substrate and a reflector extending from the substrate. The reflector forms a cavity in conjunction with the substrate. A light emitter is located in the cavity. At least one first recessed portion is located in the reflector, the at least one first recessed portion extends substantially axially around the reflector.
    Type: Grant
    Filed: September 11, 2007
    Date of Patent: January 26, 2010
    Assignee: Avago Technologies ECBU IP (Singapore) Pte. Ltd.
    Inventors: Lee Kee Hon, Tan Kheng Leng, Lee Chiau Jin, Ng Keat Chuan, Oon Slang Ling, Ong Klam Soon
  • LIGHT EMITTING DEVICE
    Publication number: 20090065793
    Abstract: A light emitting device is disclosed herein. An embodiment of the light emitting device comprises a substrate and a reflector extending from the substrate. The reflector forms a cavity in conjunction with the substrate. A light emitter is located in the cavity. At least one first recessed portion is located in the reflector, the at least one first recessed portion extends substantially axially around the reflector.
    Type: Application
    Filed: September 11, 2007
    Publication date: March 12, 2009
    Inventors: Lee Kee Hon, Tan Kheng Leng, Lee Chiau Jin, Ng Keat Chuan, Oon Slang Ling, Ong Klam Soon