Patent application number | Description | Published |
20100059775 | Organic light emitting diode and method of fabricating the same - Provided are an organic light emitting diode and a method of fabricating the same, which can reduce the efficiency of electron injection and transport at low brightness to cause low luminous efficiency, thus preventing the organic light emitting diode from emitting light when displaying black. The organic light emitting diode includes a first electrode, an emission layer disposed on the first electrode, a second electrode disposed on the emission layer, and a metal layer formed of a metal element to a thickness of 5 to less than 50 Å. The metal layer is disposed between the first electrode and the emission layer or between the emission layer and the second electrode. | 03-11-2010 |
20100176389 | ORGANIC LIGHT EMITTING DIODE AND METHOD OF MANUFACTURING THE SAME - Provided are an organic light emitting diode and a method of manufacturing the same. The organic light emitting diode adjusts an optical resonance thickness and prevents spectrum distortions without use of an auxiliary layer. The organic light emitting diode includes a first electrode that is optically reflective; a second electrode that is optically transmissible and faces the first electrode; an organic emission layer interposed between the first electrode and the second electrode, the organic emission layer including: a first emission layer including a mixed layer that contains a host material and a dopant material, and a second emission layer comprising only the host material; and a carrier injection transport layer interposed between the organic emission layer and the first electrode or between the organic emission layer and the second electrode. | 07-15-2010 |
20110084258 | ORGANIC LIGHT-EMITTING DEVICE - An organic light-emitting device including a substrate; a first electrode on the substrate; a second electrode; an organic layer between the first electrode and the second electrode, the organic layer including an emission layer; and a first layer including a cyano group-containing compound, the first layer being between the first electrode and the emission layer, wherein the first electrode includes an Al-based reflective layer and a transparent conductive layer sequentially stacked on the substrate, the Al-based reflective layer including a first element and nickel (Ni), and the first element includes at least one of lanthanum (La), cerium (Ce), praseodymium (Pr), promethium (Pm), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), and lutetium (Lu). | 04-14-2011 |
20110084600 | ORGANIC LIGHT-EMITTING DEVICE - An organic light-emitting device including a substrate; a first electrode on the substrate; a second electrode; an organic layer between the first electrode and the second electrode; and a carbonaceous material-containing layer between the first electrode and the organic layer, wherein the first electrode includes an aluminum (Al)-based reflective layer and a transparent conductive layer sequentially stacked in this order on the substrate, the Al-based reflective layer including a first element and nickel (Ni) and the first element includes at least one of lanthanum (La), cerium (Ce), praseodymium (Pr), promethium (Pm), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), and lutetium (Lu). | 04-14-2011 |
20110114930 | ORGANIC LIGHT-EMITTING DEVICE - An organic light-emitting device including a mixed organic layer that includes a triphenyl amine derivative and a pyrazine derivative and an emission layer that includes an anthracene derivative, an amine-containing styryl derivative, or any mixture thereof. | 05-19-2011 |
20110240969 | Organic light-emitting device - An organic light-emitting device including a substrate; a first electrode disposed on the substrate; a second electrode; an organic layer disposed between the first electrode and the second electrode, the organic layer including an emission layer and an electron transport layer, the electron transport layer including an anthracene-based compound and a quinolate-based compound; and at least one first layer disposed between the first electrode and the emission layer, the at least one first layer including a cyano group-containing compound. | 10-06-2011 |
20110266531 | ORGANIC LIGHT-EMITTING DEVICE - An organic light-emitting device includes a first electrode, a mixed organic layer, an emission layer, an electron transport layer, and a second electrode. The mixed organic layer contains a fluorene derivative and a pyrazine derivative, and the electron transport layer contains a lithium quinolate and a pyridine derivative. | 11-03-2011 |
20140151668 | ORGANIC LIGHT EMITTING DIODE AND METHOD OF MANUFACTURING THE SAME - Provided are an organic light emitting diode and a method of manufacturing the same. The organic light emitting diode adjusts an optical resonance thickness and prevents spectrum distortions without use of an auxiliary layer. The organic light emitting diode includes a first electrode that is optically reflective; a second electrode that is optically transmissible and faces the first electrode; an organic emission layer interposed between the first electrode and the second electrode, the organic emission layer including: a first emission layer including a mixed layer that contains a host material and a dopant material, and a second emission layer comprising only the host material; and a carrier injection transport layer interposed between the organic emission layer and the first electrode or between the organic emission layer and the second electrode. | 06-05-2014 |