Patent application number | Description | Published |
20100033088 | HETEROCYCLIC COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME - Provided are a heterocyclic compound represented by Formula 1 below and an organic electroluminescent device including an organic layer comprising the heterocyclic compound: | 02-11-2010 |
20100051924 | FLUORENE-CONTAINING COMPOUND AND ORGANIC LIGHT EMITTING DEVICE EMPLOYING THE SAME - A novel fluorene-containing compound and an organic electroluminescent device including an organic layer employing the same. The fluorene-containing compound has excellent electrical characteristics and an excellent charge transporting capability, and so can be used as a hole injecting material, hole transporting material, and/or emitting material that is suitable for all-color fluorescent and phosphorescent devices, such as red, green, blue, and white fluorescent and phosphorescent devices. Accordingly, an organic electroluminescent device employing the fluorene-containing compound has high efficiency, a low driving voltage, high brightness, and a long lifetime. | 03-04-2010 |
20110031483 | ORGANIC LIGHT EMITTING DEVICE - Embodiments of the present invention are directed to a heterocyclic compound and an organic light-emitting device including the heterocyclic compound. The organic light-emitting devices using the heterocyclic compounds have high-efficiency, low driving voltage, high luminance and long lifespan. | 02-10-2011 |
20110031485 | ORGANIC LIGHT EMITTING DEVICE - Embodiments of the present invention are directed to a heterocyclic compound and an organic light-emitting device including the heterocyclic compound. The organic light-emitting devices using the heterocyclic compounds have high-efficiency, low driving voltage, high luminance and long lifespan. | 02-10-2011 |
20110037060 | ORGANIC LIGHT EMITTING DEVICE - Embodiments of the present invention are directed to a heterocyclic compound and an organic light-emitting device including the heterocyclic compound. The organic light-emitting devices using the heterocyclic compounds have high-efficiency, low driving voltage, high luminance and long lifespan. | 02-17-2011 |
20110049484 | HETEROARYLAMINE COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - Embodiments of the present invention are directed to heteroarylamine compounds and organic light-emitting devices including the heteroarylamine compounds. The organic light-emitting devices using the heteroarylamine compounds have high-efficiency, low driving voltages, high luminance and long lifespans. | 03-03-2011 |
20110049485 | ORGANIC LIGHT-EMITTING DEVICE - Embodiments of the present invention are directed to a heterocyclic compound and an organic light-emitting device including the heterocyclic compound. The organic light-emitting devices using the heterocyclic compounds have high-efficiency, low driving voltages, high luminance and long lifespans. | 03-03-2011 |
20110049486 | ORGANIC LIGHT-EMITTING DEVICE - Embodiments of the present invention are directed to a heterocyclic compound and an organic light-emitting device including the heterocyclic compound. The organic light-emitting devices using the heterocyclic compounds have high-efficiency, low driving voltages, high brightness and long lifespans. | 03-03-2011 |
20110049487 | HETEROARYLAMINE COMPOUND AND ORGANIC LUMINESCENCE DEVICE USING THE SAME - Embodiments of the present invention are directed to heteroarylamine compounds and organic luminescence devices including the heteroarylamine compounds. The organic luminescence devices using the heteroarylamine compounds have high-efficiency, low driving voltages, high luminance and long lifetimes. | 03-03-2011 |
20110049488 | HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - Embodiments of the present invention are directed to heterocyclic compounds and organic light-emitting devices including the heterocyclic compounds. The organic light-emitting devices using the heterocyclic compounds have high-efficiency, low driving voltages, high luminance and long lifespans. | 03-03-2011 |
20110049490 | HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - Embodiments of the present invention are directed to heterocyclic compounds and organic light-emitting devices including the heterocyclic compounds. The organic light-emitting devices using the heterocyclic compounds have high-efficiency, low driving voltages, high luminance and long lifespans. | 03-03-2011 |
20110049494 | HETEROARYLAMINE COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - Embodiments of the present invention are directed to heteroarylamine compounds and organic light-emitting devices including the heteroarylamine compounds. The organic light-emitting devices using the heteroarylamine compounds have high-efficiency, low driving voltages, high luminance and long lifespans. | 03-03-2011 |
20110057175 | ORGANIC LIGHT EMITTING DEVICE - Embodiments of the present invention are directed to a heterocyclic compound and an organic light-emitting device including the heterocyclic compound. The organic light-emitting devices using the heterocyclic compounds have high-efficiency, low driving voltage, high luminance and long lifespan. | 03-10-2011 |
20110057177 | ORGANIC LIGHT EMITTING DEVICE - Embodiments of the present invention are directed to a heterocyclic compound and an organic light-emitting device including the heterocyclic compound. The organic light-emitting devices using the heterocyclic compounds have high-efficiency, low driving voltage, high luminance and long lifespan. | 03-10-2011 |
20110084254 | POLYMER AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - A polymer and an organic light-emitting device including the polymer. An example of the polymer is | 04-14-2011 |
20110240968 | Organic light-emitting device - An organic light-emitting device including a substrate; a first electrode on the substrate, the first electrode including a first surface and a second surface opposite to the first surface; an organic layer on the first electrode, the organic layer being adjacent to the first surface of the first electrode; a second electrode on the organic layer, the second electrode including a first surface adjacent to the organic layer and a second surface opposite to the first surface; and a luminescent efficiency improvement layer on at least one of the second surface of the first electrode and the second surface of the second electrode, the luminescent efficiency improvement layer including a condensed-cyclic compound represented by Formula 1, below: | 10-06-2011 |
20110240975 | POLYMER COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - A polymer represented by Formula 1 below: | 10-06-2011 |
20110240977 | HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - A heterocyclic compound of formula 1 and an organic light-emitting device including an organic layer containing the heterocyclic compound. The heterocyclic compound of Formula 1 may be suitable as a material for an emission layer, an electron transport layer or an electron injection layer of an organic light-emitting device. Due to the inclusion of the heterocylic group in its molecular structure, the heterocyclic compound of Formula 1 may have a high glass transition temperature (Tg) or a high melting point, and may prevent crystallization. An organic light-emitting device manufactured using the heterocyclic compound of Formula 1, which has a symmetrical structure in which a chrysene group and an indole group are fused, has excellent durability when stored or operated. | 10-06-2011 |
20110240978 | HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - A heterocyclic compound of formula 1 and an organic light-emitting device including an organic layer containing the heterocyclic compound. The heterocyclic compound of Formula 1 may be suitable as a material for an emission layer, an electron transport layer or an electron injection layer of an organic light-emitting device. Due to the inclusion of the heterocylic group in its molecular structure, the heterocyclic compound of Formula 1 may have a high glass transition temperature (Tg) or a high melting point, and may prevent crystallization. An organic light-emitting device manufactured using the heterocyclic compound of Formula 1, in which a chrysene group and an indole group are fused, has excellent durability when stored or operated. | 10-06-2011 |
20110240979 | CONDENSED-CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - A condensed-cyclic compound and an OLED including the same, the condensed-cyclic compound represented by Formula 1 below: | 10-06-2011 |
20110297919 | ORGANIC LIGHT-EMITTING DEVICE - A heterocyclic compound represented by Formula 1 or Formula 2 below and an organic light-emitting device including the heterocyclic compound: | 12-08-2011 |
20110309348 | ORGANIC LIGHT-EMITTING DEVICE - A heterocyclic compound represented by Formula 1 below and an organic light-emitting device including the heterocyclic compound: | 12-22-2011 |
20120013246 | DENDRIMER AND ORGANIC LIGHT-EMITTING DEVICE USING THE SAME - A dendrimer and an organic light-emitting device including an organic layer having the dendrimer. | 01-19-2012 |
20120013247 | DENDRIMER AND ORGANIC LIGHT-EMITTING DEVICE USING THE SAME - A dendrimer and an organic light-emitting device including an organic layer having the dendrimer. | 01-19-2012 |
20120097924 | ORGANIC LIGHT-EMITTING DEVICE - A heterocyclic compound represented by a general Formula 1 and an organic light-emitting device including the heterocyclic compound. In some embodiments the heterocyclic compound of Formula 1 may be used as a light-emitting material, a hole transporting material, or an electron transporting material. The heterocyclic compound of Formula 1 having a heterocyclic group in the molecules thereof has a high glass transition temperature (Tg) or a high melting point due to the inclusion of the heterocyclic group. Thus, the heterocyclic compound has high heat resistance against Joule's heat generated in an organic layer, between organic layers, or between an organic layer and a metal electrode when light emission occurs, and has high durability in high-temperature environments. An organic light-emitting device manufactured using the heterocyclic compound of Formula 1 has high durability when stored or operated. In addition, due to the inclusion of a substituent such as an aryl group or heteroaryl group, molecular layers formed as thin films may be maintained in good condition, thereby improving the characteristics of the organic light-emitting device. | 04-26-2012 |
20120097929 | HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - A heterocyclic compound represented by Formula 1 below and an organic light-emitting device including the heterocyclic compound: | 04-26-2012 |
20120267613 | ORGANIC LIGHT-EMITTING DEVICE - A heterocyclic compound represented by Formula 1 below and an organic light-emitting device including the heterocyclic compound: | 10-25-2012 |
20120292603 | Heterocyclic compound, organic light-emitting device including the heterocyclic compound, and flat display device including the organic light-emitting device - A heterocyclic compound includes compounds represented by Formula 1 or Formula 2 below: | 11-22-2012 |
20120319086 | CONDENSED-CYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DIODE COMPRISING THE SAME - A condensed-cyclic compound and an organic light-emitting diode including the same. | 12-20-2012 |
20120319087 | HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE CONTAINING SAME - A heterocyclic compound, organic light-emitting device, and a flat panel display device, the heterocyclic compound being represented by Formula 1 or 2 below: | 12-20-2012 |
20120326134 | HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DIODE AND FLAT DISPLAY DEVICE INCLUDING THE HETEROCYCLIC COMPOUND - A heterocyclic compound, an organic light-emitting diode, and a flat display device, the heterocyclic compound being represented by Formula 1, below: | 12-27-2012 |
20120326135 | HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DIODE AND FLAT DISPLAY DEVICE INCLUDING THE HETEROCYCLIC COMPOUND - A heterocyclic compound, an organic light-emitting diode, and a flat display device, the heterocyclic compound being represented by Formula 1, below: | 12-27-2012 |
20130001522 | HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - A heterocyclic compound represented by Formula 1 below and an organic light-emitting device including the same: | 01-03-2013 |
20130001526 | ORGANIC LIGHT EMITTING DIODE AND METHOD FOR MANUFACTURING THE SAME - A highly efficient organic light emitting diode having simple manufacturing processes, and a method of manufacturing the same. | 01-03-2013 |
20130032788 | CARBAZOLE-BASED COMPOUND AND ORGANIC LIGHT-EMITTING DIODE COMPRISING THE SAME - A carbazole-based compound of Formula 1 and an organic light-emitting diode including the same. The carbazole-based compound represented by Formula 1 has a triarylamine structure, wherein at least one of R | 02-07-2013 |
20130048955 | HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE CONTAINING THE SAME - A heterocyclic compound represented by one of Formulae 1-4 below and an organic light-emitting device including an organic layer that includes the heterocyclic compound. The heterocyclic compounds have excellent light-emitting characteristics and excellent electron transporting characteristics, and thus may be used as electron injecting materials or electron transporting materials suitable for all-color fluorescent and phosphorescent devices, such as red, green, blue, and white fluorescent and phosphorescent devices. In particular, the heterocyclic compounds are efficiently used as light-emitting materials of green, blue, and while fluorescent devices. By using the heterocyclic compounds, organic light-emitting devices having high efficiency, low driving voltage, high brightness, and long lifespan may be prepared. | 02-28-2013 |
20130092903 | HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE CONTAINING THE SAME - A heterocyclic compound represented by Formula 1, and an organic layer including the heterocyclic compound: | 04-18-2013 |
20130099208 | CONDENSED-CYCLIC COMPOUND, METHOD FOR PREPARING THE CONDENSED-CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE CONDENSED-CYCLIC COMPOUND - A condensed-cyclic compound represented by Formula 1 below, a method for preparing the condensed-cyclic compound, and an organic light-emitting device including the condensed-cyclic compound. | 04-25-2013 |
20130112946 | NOVEL HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - A heterocyclic compound represented by Formula 1 below and an organic light-emitting device including the heterocyclic compound: | 05-09-2013 |
20130140530 | ORGANIC LIGHT-EMITTING DIODE INCLUDING MULTI-LAYERED HOLE TRANSPORTING LAYER, AND FLAT DISPLAY DEVICE INCLUDING THE ORGANIC LIGHT-EMITTING DIODE - An organic light-emitting diode including: a first mixed layer between an emission layer and a first electrode and including first and second compounds; a second mixed layer between the emission layer and the first mixed layer and including third and fourth compounds; a first charge generation layer between the first mixed layer and the first electrode and including the first and second compounds and a first charge generation material; a second charge generation layer between the first mixed layer and the second mixed layer and including the third and fourth compounds and a second charge generation material; and a buffer layer between the emission layer and the second mixed layer, the first and the third compounds are each independently a compound represented by Formula 1 below, and the second compound and fourth compounds are each independently a compound represented by Formula 2 below: | 06-06-2013 |
20130153865 | ORGANIC LIGHT-EMITTING DIODE INCLUDING MULTI-LAYERED HOLE TRANSPORTING LAYER, AND FLAT DISPLAY DEVICE INCLUDING THE ORGANIC LIGHT-EMITTING DIODE - An organic light-emitting diode includes a first electrode; a second electrode facing the first electrode; an emission layer (EML) between the first electrode and the second electrode; a first charge generation layer between the EML and the first electrode and including a first compound and a first charge generation material; a first layer between the EML and the first charge generation layer and including a second compound; a second charge generation layer between the EML and the first layer and including a third compound and a second charge generation material; a second layer between the EML and the second charge generation layer and including a fourth compound; and a buffer layer between the EML and the second layer. The first and third compounds each independently includes a compound represented by Formula 1, and the second and fourth compounds each independently includes a compound represented by Formula 2. | 06-20-2013 |
20140001444 | ORGANIC LIGHT-EMITTING DEVICE INCLUDING MULTI-LAYERED HOLE TRANSPORT LAYER, AND ORGANIC LIGHT-EMITTING DISPLAY APPARATUS INCLUDING THE SAME | 01-02-2014 |
20140027741 | HETEROCYCLIC COMPOUNDS AND ORGANIC LIGHT-EMITTING DEVICES INCLUDING THE SAME - Heterocyclic compounds, synthetic methods for preparing the same, and organic light-emitting display devices comprising the same are described. The subject heterocyclic compounds may comprise an aromatic ring or a heteroaromatic ring fused with a carbazole, dibenzothiophene, or dibenzofurane derivative, the compounds featuring rigid backbone structures with high glass transition temperatures and high melting points. The subject heterocyclic compounds may exhibit high electrical stability, improved charge transport ability, high heat resistance and improved light-emitting properties when used in organic light-emitting devices. Organic light-emitting display devices prepared according to the present invention exhibit lower driving voltages, increased luminescent efficiencies and longer lifetimes. | 01-30-2014 |
20140034913 | CONDENSATION COMPOUND AND ORGANIC LIGHT EMITTING DEVICE INCLUDING THE SAME - A condensation compound is represented by Formula 1, 2, or 3 where R | 02-06-2014 |
20140070180 | ORGANOMETALLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - An organometallic compound may be represented by Formula 1: | 03-13-2014 |
20140103300 | NOVEL HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - Novel heterocyclic compounds that impart improved luminescence efficiency characteristics such as low voltage, high luminance and long lifetime to organic light-emitting devices are described. Synthetic methods for the subject heterocyclic compounds are described. Methods for the construction of an organic light-emitting device comprising at least one of the subject heterocyclic compounds and comprising various hole transport layers, various electron transport layers and an emission layer are disclosed. The emission layer can comprise red, green, blue and white emission layers; one of said emission layers can comprise a phosphorescent compound. In certain embodiments, the heterocyclic compounds are useful as either fluorescent dopants or as phosphorescent hosts in the emission layer. | 04-17-2014 |
20140117318 | ORGANOMETALLIC COMPOUNDS AND ORGANIC LIGHT EMITTING DEVICES INCLUDING THE SAME - Organometallic compounds and organic light-emitting devices including the same are provided. Each subject organometallic compound may be a transition metal complex comprising up to seven organic ligands including one to three ligands which are derivatives of one of 2-(pyrazole-3-yl)pyrimidine and 2-(1,2,4-triazol-3-yl)pyrimidine. Organic light-emitting devices including the subject organometallic compounds show lower driving voltages, higher luminences, higher efficiencies and better lifetime characteristics versus organic light-emitting devices including comparative organometallic complexes. | 05-01-2014 |
20140117326 | HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - A heterocyclic compound represented by Formula 1 below, and an organic light-emitting device including the heterocyclic compound: | 05-01-2014 |
20140117329 | AMINE-BASED COMPOUND AND ORGANIC LIGHT EMITTING DEVICE INCLUDING THE SAME - An amine-based compound and an organic light-emitting device including the amine-based compound are provided. | 05-01-2014 |
20140117331 | HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - A heterocyclic compound represented by Formula 1 below, and an organic light-emitting device including the heterocyclic compound: | 05-01-2014 |
20140183466 | ORGANIC LIGHT-EMITTING DIODE - An organic light-emitting diode (OLED) is provided. The OLED comprises a substrate, a first electrode on the substrate, a second electrode disposed opposite to the first electrode, an emission layer disposed between the first electrode and the second electrode, a hole migration region disposed between the first electrode and the emission layer, and an electron migration region disposed between the emission layer and the second electrode. The hole migration region comprises a tertiary amine having one N-substituent comprising a substituted or unsubstituted carbazole moiety and another N-substituent comprising a substituted or unsubstituted fluorene moiety. At least one of the hole migration region and the emission layer comprises a substituted or unsubstituted compound comprising at least two carbazole moieties. | 07-03-2014 |
20140183467 | ORGANOMETALLIC COMPOUND AND ORGANIC LIGHT-EMITTING DIODE COMPRISING THE SAME - An organometallic compound and an organic light-emitting diode (OLED) including the organometallic compound are provided. In exemplary embodiments, the organometallic compound is a platinum complex comprising one or two heterocyclic ligands, the heterocyclic ligands being the same or different if they are two in number, each heterocyclic ligand comprising two nitrogen heterocyclic rings connected by a single bond, one of the rings being six membered and comprising at least one nitrogen and the other ring being a 1,2-diazole or a 1,2,4-triazole ring. One or two other organic ligands may be attached to the central platinum atom in the complex. OLEDs including one of the subject platinum compounds in a light emission layer exhibit lower driving voltages, higher luminances, higher efficiencies and longer lifetimes than do comparative OLEDs built with established dopants incorporated into the light emitting layers. | 07-03-2014 |
20140183495 | ORGANIC LIGHT-EMITTING DIODE - An organic light-emitting diode includes a substrate; a first electrode on the substrate; a second electrode disposed opposite to the first electrode; an emission layer disposed between the first electrode and the second electrode; a hole migration region disposed between the first electrode and the emission layer; and an electron migration region disposed between the emission layer and the second electrode, wherein the hole migration region comprises a first compound represented by Formula 1 below, and at least one of the hole migration region and the emission layer comprises a second compound represented by Formula 2 below. Substituents in Formulae 1 and 2 are the same as described in the specification. | 07-03-2014 |
20140209880 | ORGANIC LIGHT-EMITTING DIODE - An organic light-emitting diode includes a substrate, a first electrode, a second electrode facing the first electrode, and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer, and the emission layer includes a first compound represented by Formula 1 and a second compound represented by Formula 100. | 07-31-2014 |
20140291654 | HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - A heterocyclic compound represented by Formula 1 below and an organic light-emitting device including the heterocyclic compound: | 10-02-2014 |
20150053934 | HETEROCYCLIC COMPOUND AND ORGANIC LIGHT- EMITTING DEVICE COMPRISING THE SAME - A heterocyclic compound represented by Formula 1 and an organic light-emitting device including the same. | 02-26-2015 |
20150076459 | ORGANIC LIGHT-EMITTING DEVICE - An organic light-emitting device includes an emission layer including a novel dopant comprising a first compound represented by Formula 1 and a novel host comprising a second compound represented by Formula 100 | 03-19-2015 |