Patents by Inventor Seung Li CHOI

Seung Li CHOI 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).

  • Light emitting diode, light emitting diode module, and display device having the light emitting diode module
    Patent number: 11355685
    Abstract: A light emitting diode including a lead frame unit and a light source unit disposed on the lead frame unit, in which the lead frame unit includes a body portion having a first surface contacting the light source unit and a second surface opposite to the first surface, at least one solder hole recessed from the second surface of the body portion, a first conductive layer disposed on the first surface of the body portion and including a circular portion having a substantially circular shape and an elongated portion provided integrally with the circular portion and elongating in one direction from the circular portion, a second conductive layer disposed on the second surface of the body portion, and a connection portion disposed between the first conductive layer and the second conductive layer and penetrating through the body portion.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: June 7, 2022
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Seung Li Choi, Se Min Bang, Se Won Tae
  • Light emitting diode, light emitting diode module, and display device having the light emitting diode module
    Patent number: 11309469
    Abstract: A light emitting diode including a lead frame unit and a light source unit disposed on the lead frame unit, in which the lead frame unit includes a body portion having a first surface contacting the light source unit and a second surface opposite to the first surface, at least one solder hole recessed from the second surface of the body portion, a first conductive layer disposed on the first surface of the body portion and including a circular portion having a substantially circular shape and an elongated portion provided integrally with the circular portion and elongating in one direction from the circular portion, a second conductive layer disposed on the second surface of the body portion, and a connection portion disposed between the first conductive layer and the second conductive layer and penetrating through the body portion.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: April 19, 2022
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Seung Li Choi, Se Min Bang, Se Won Tae
  • LIGHT EMITTING DIODE, LIGHT EMITTING DIODE MODULE, AND DISPLAY DEVICE HAVING THE LIGHT EMITTING DIODE MODULE
    Publication number: 20190393392
    Abstract: A light emitting diode including a lead frame unit and a light source unit disposed on the lead frame unit, in which the lead frame unit includes a body portion having a first surface contacting the light source unit and a second surface opposite to the first surface, at least one solder hole recessed from the second surface of the body portion, a first conductive layer disposed on the first surface of the body portion and including a circular portion having a substantially circular shape and an elongated portion provided integrally with the circular portion and elongating in one direction from the circular portion, a second conductive layer disposed on the second surface of the body portion, and a connection portion disposed between the first conductive layer and the second conductive layer and penetrating through the body portion.
    Type: Application
    Filed: August 30, 2019
    Publication date: December 26, 2019
    Inventors: Seung Li CHOI, Se Min BANG, Se Won TAE