Patents by Inventor Sangsub Ha

Sangsub Ha 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).

  • Plasma display panel and plasma display apparatus with phosphor including magnesium oxide
    Patent number: 7990066
    Abstract: A plasma display panel and a plasma display apparatus are disclosed. The plasma display panel includes a front substrate, a rear substrate positioned to be opposite to the front substrate, a barrier rib positioned between the front substrate and the rear substrate to partition a discharge cell, and a phosphor layer positioned inside the discharge cell. The phosphor layer includes a first phosphor layer emitting red light, a second phosphor layer emitting blue light, and a third phosphor layer emitting green light. The first phosphor layer includes a red pigment. At least one of the first phosphor layer, the second phosphor layer or the third phosphor layer includes magnesium oxide (MgO) material.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: August 2, 2011
    Assignee: LG Electronics Inc.
    Inventors: Heekwon Kim, Suho Bae, Jongjin Jeong, Sangsub Ha
  • PLASMA DISPLAY PANEL AND PLASMA DISPLAY APPARATUS
    Publication number: 20090009078
    Abstract: A plasma display panel and a plasma display apparatus are disclosed. The plasma display panel includes a front substrate, a rear substrate positioned to be opposite to the front substrate, a barrier rib positioned between the front substrate and the rear substrate to partition a discharge cell, and a phosphor layer positioned inside the discharge cell. The phosphor layer includes a first phosphor layer emitting red light, a second phosphor layer emitting blue light, and a third phosphor layer emitting green light. The first phosphor layer includes a red pigment. At least one of the first phosphor layer, the second phosphor layer or the third phosphor layer includes magnesium oxide (MgO) material.
    Type: Application
    Filed: October 31, 2007
    Publication date: January 8, 2009
    Inventors: Heekwon Kim, Suho Bae, Jongjin Jeong, Sangsub Ha