| Patent application number | Description | Published |
|---|
| 20080203915 | MATERIAL OF PROTECTIVE LAYER, METHOD OF PREPARING THE SAME, PROTECTIVE LAYER FORMED OF THE MATERIAL, AND PLASMA DISPLAY PANEL INCLUDING THE PROTECTIVE LAYER - A material for preparing a protective layer for a PDP, which reduces discharge delay time, improves temperature dependency, and has enhanced ion strength; a method of preparing the same; a protective layer formed of the material; and a PDP including the protective layer. More particularly, a material for a protective layer that includes monocrystalline magnesium oxide doped with a rare earth element at an amount of 2.0×10−5−1.0×10−2 parts by weight per 1 part by weight of magnesium oxide (MgO), a method of preparing the monocrystalline magnesium oxide by crystallizing it at about 2,800° C., a protective layer formed of the same, and PDP including the protective layer. | 08-28-2008 |
| 20090058297 | PROTECTING LAYER COMPRISING MAGNESIUM OXIDE LAYER AND ELECTRON EMISSION PROMOTING MATERIAL, METHOD FOR PREPARING THE SAME AND PLASMA DISPLAY PANEL COMPRISING THE SAME - A protecting layer is formed of a magnesium oxide layer and electron emission promoting material formed on the magnesium oxide layer. The electron emission promoting material may be patterned on the magnesium oxide layer, or may be sprayed and heat-treated on the surface of the magnesium oxide layer. The protecting layer exhibits excellent electron emission characteristics while not being substantially damaged by plasma ions, thereby improving the reliability of a PDP. | 03-05-2009 |
| 20090153019 | Protecting layer having magnesium oxide particles at its surface, method of preparing the same, and plasma display panel comprising the protecting layer - Provided are a protecting layer for a plasma display panel (PDP), a method of forming the same, and a PDP including the protecting layer. The protecting layer includes a magnesium oxide-containing layer having a surface to which magnesium oxide-containing particles having a magnesium vacancy-impurity center (VIC) are attached. The protecting layer is resistant to plasma ions and has excellent electron emission effects, and thus, a PDP including the protecting layer can be operated at low voltage with high discharge efficiency. | 06-18-2009 |
| 20090167177 | Protective layer and plasma display panel including the same - A protective layer of a plasma display panel includes smoky magnesium oxide, the smoky magnesium oxide having single crystal magnesium oxide with a plurality of cavities therein. | 07-02-2009 |
| 20100060139 | MATERIAL FOR FORMING PROTECTIVE LAYER, METHOD OF PREPARING THE MATERIAL, AND PDP COMPRISING THE PROTECTIVE LAYER - Disclosed is a material for forming a protective layer, a protective layer employing the material and a PDP with the protective layer. Unlike conventional protective layers which employ MgO created in conditions of pressurized artificial gas, the instant protective layer uses MgO created by heating Mg and allowing it to oxidize naturally in air. The result is MgO with fewer defects that is more effective as a protective layer in many uses, such as in a PDP. The instant MgO also shows many specific spectral characteristics and contains impurities in amounts of less than about 2 ppm each. Also disclosed is a PDP which takes advantage of the advantages of the inventive protective layer. | 03-11-2010 |
| 20100164361 | PLASMA DISPLAY PANEL PROTECTIVE LAYER - A plasma display panel (PDP) protective layer including a ternary compound in the form of BaXO, wherein X is selected from the group consisting of Sc, Y, Gd, La, Er, Ho, Nd, Sm, and Ce. Such protective layer has excellent electron emission characteristics and phase stability. | 07-01-2010 |
| 20100308710 | MATERIAL FOR PREPARING PROTECTIVE LAYER AND PLASMA DISPLAY PANEL COMPRISING THE PROTECTIVE LAYER - A plasma display panel (PDP) including a protective layer and a material for preparing the protective layer that can be easily fabricated and has little defects, includes a magnesium oxide (MgO) powder including a cathode rays emission spectrum having a first emission peak in a wavelength in the range of 300 to 450 nm, a second emission peak in a wavelength in the range of 650 to 750 nm, and an intensity ratio between 1:0.15 and 0.40 as an intensity ratio of the second emission peak with respect to the first emission peak. | 12-09-2010 |
