Patent application number | Description | Published |
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 |
20100207149 | ORGANIC LIGHT-EMITTING DIODE AND METHOD OF MANUFACTURING THE SAME - An organic light emitting diode (OLED) including: a substrate; a reflection layer on the substrate and including metal; a first electrode on the reflection layer and including a light transparent aluminum zinc oxide (AZO); an organic layer on the first electrode and including an emitting layer; and a second electrode on the organic layer and including a semi-permeable reflection layer. | 08-19-2010 |
20100301741 | ORGANIC LIGHT EMITTING DEVICE - Provided is an organic light emitting device including an anode, a cathode, and a light emitting layer disposed between the anode and the cathode, wherein the cathode has a structure including a first metal layer and a second metal layer, or a structure including a first metal layer, a second metal layer, and one selected from the group consisting of an oxide layer, a nitride layer, and a nitric oxide layer, and wherein the cathode has low resistance. | 12-02-2010 |
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 |
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 |
20110114974 | Organic light emitting diode display - An organic light emitting diode display includes a first electrode and a second electrode, an organic emissive layer disposed between the first electrode and the second electrode, a first selective reflection layer disposed to receive light from the organic emissive layer, and a third transparent electrode, the first selective reflection layer being between the third transparent electrode and the organic emissive layer. | 05-19-2011 |
20110133633 | Organic light emitting diode device - An organic light emitting diode device including a first electrode; a second electrode facing the first electrode; and an emitting layer interposed between the first electrode and the second electrode, wherein the first electrode includes an ytterbium (Yb) alloy represented by the following Chemical Formula 1: | 06-09-2011 |
20110233531 | Organic light-emitting device - An organic light-emitting device, including a first electrode, the first electrode having a smaller absolute value of a work function energy level than an absolute value of a work function energy level of ITO, a second electrode facing the first electrode, and an organic layer between the first electrode and the second electrode. | 09-29-2011 |
20110240964 | Organic light emitting diode display - An organic light emitting diode (OLED) display including a substrate main body; a thin film transistor on the substrate main body; and an organic light emitting diode including a transparent electrode connected with the thin film transistor and being capable of injecting electrons, an organic emission layer on the transparent electrode, and a reflective electrode on the organic emission layer and being capable of injecting holes, wherein the organic emission layer includes an electron injection unit on the transparent electrode, the electron injection unit including an electron injection metal layer, an electron injection layer, and an electron injection dipole layer, and a light emitting unit on the electron injection unit. | 10-06-2011 |
20110248259 | Organic light emitting device and method of manufacturing the same - An organic light emitting device and a method of manufacturing the same, the device including a substrate; a thin film transistor on the substrate, the thin film transistor including source and drain electrodes, an oxide semiconductor layer, a gate electrode, and a gate insulating layer that insulates the gate electrode from the source and drain electrodes; a first insulating layer on the thin film transistor; a cathode on the first insulating layer, the cathode being connected to one of the source and drain electrodes of the thin film transistor; a first layer on the cathode, the first layer including a first material, the first material including at least one of metal, metal sulfide, metal oxide, and metal nitride; an organic layer on the first layer; and an anode on the organic layer. | 10-13-2011 |
20110248269 | Organic light emitting diode display and method for manufacturing the same - An organic light emitting diode (OLED) display includes a substrate including a plurality of pixels defined thereon, a thin film transistor (TFT) positioned at each pixel, a negative electrode electrically connected to the TFT, an organic emission layer positioned on the negative electrode, and a positive electrode positioned on the organic emission layer, the positive electrode including an auxiliary layer positioned on the organic emission layer, a conductive layer positioned on the auxiliary layer, and an insulation layer positioned on the conductive layer. | 10-13-2011 |
20110249211 | Organic light emitting display device - An organic light emitting display device includes a substrate having a transmitting region interposed between pixel regions; thin film transistors on a first surface of the substrate; a passivation layer covering the thin film transistors; pixel electrodes on the passivation layer; an opposite electrode disposed to face the pixel electrodes; an organic emission layer between the pixel electrodes and the opposite electrode; a polymer dispersed liquid crystal (PDLC) device disposed such that the thin film transistors are between the PDLC device and the passivation layer, the PDLC device having: a first electrode; a second electrode; and a PDLC layer in which liquid crystal is dispersed in polymer matrix. Distortion of images transmitted through the organic light emitting display device is prevented by restricting scattering of the transmitted light, the transmission of the external light may be adjusted simply, and degradation of the brightness and color coordinate reproduction may be prevented. | 10-13-2011 |
20110273409 | ORGANIC LIGHT EMITTING DIODE DISPLAY - An organic light emitting diode display is disclosed. The display includes some pixel areas which are opaque and some pixel areas which are partially opaque and partially transparent. Selectively displaying the light emission of the pixel areas allows for control of the relative brightness of a displayed image and an object behind the display. | 11-10-2011 |
20110309739 | ORGANIC LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME - An organic light-emitting device including: a substrate; a first electrode disposed on the substrate; a second electrode disposed on the substrate and comprising silver (Ag); an emission layer between the first electrode and the second electrode; an electron injection layer between the emission layer and the second electrode and comprising a mixture of an alkali metal-containing compound and a first metal; and a capping layer disposed on the second electrode. | 12-22-2011 |
20120007497 | ORGANIC LIGHT EMITTING DEVICE - An organic light emitting device is disclosed. The organic light emitting device includes: a substrate member; and an organic light emitting diode comprising a first transparent electrode, a first organic emission layer, a conductive reflecting layer, a second organic emission layer, and a second transparent electrode that are sequentially stacked over the substrate member, wherein voltage is applied between the first transparent electrode and the second transparent electrode to allow each of the first transparent electrode and the second transparent electrode to maintain first potential and second potential, and the conductive reflecting layer maintains third potential between the first potential and the second potential. | 01-12-2012 |
20120018707 | Organic light emitting device - An organic light-emitting device including a substrate; a first electrode; a second electrode; an emission layer; a first electron transport layer; a second electron transport layer; a third electron transport layer; and a hole transport layer, wherein the first electron transporting material has an electron mobility smaller than an electron mobility of the second electron transporting material at an electric field of 800 to 1000 V/cm, the second electron transporting material and the third electron transporting material each independently have an electron mobility of about 10 | 01-26-2012 |
20120097956 | ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting display device includes a substrate; a first electrode layer formed on the substrate; an emission structure layer formed on the first electrode layer; an electron injection layer (EIL) formed immediately on the emission structure layer and comprising a composite layer of LiF:Yb; and a second electrode layer formed on the EIL. | 04-26-2012 |
20120223349 | FRONT SIDE EMITTING TYPE ORGANIC LIGHT-EMITTING DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - A front side emitting type organic light-emitting display device includes a substrate; an anode electrode formed over the substrate; an organic layer formed over the anode electrode; a cathode electrode formed over the organic layer; a pair of transparent conductive oxide layers disposed over the cathode electrode; and a metal layer interposed between the pair of transparent conductive oxide layers. | 09-06-2012 |
20120224113 | Reflective Type Complex Display Device and Method of Manufacturing the Same - A reflective type complex display device comprises: a lower substrate; an organic light-emitting layer formed on a top surface of the lower substrate for emitting light when supplied with current; a sealing layer covering the organic light-emitting layer so as to seal the organic light-emitting layer from the outside; an upper substrate formed above the sealing layer with a gap therebetween; liquid crystals injected between the upper substrate and the sealing layer; a transparent electrode formed on a surface of the upper substrate; and a polarizer formed on another surface of the upper substrate. The transparent electrode comprises a first electrode and a second electrode which are alternately arranged, and which drive the liquid crystals by generating an electric field in response to different voltages applied thereto. | 09-06-2012 |
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 |
20120267644 | ORGANIC LIGHT EMITTING DIODE DISPLAY - An organic light emitting diode (OLED) display includes a substrate and an organic light emitting element on the substrate and including a first electrode, a plurality of organic emission layers on the first electrode and including at least one P-type impurity doped organic emission layer, and a second electrode on the plurality of organic emission layers. | 10-25-2012 |
20120287108 | DISPLAY DEVICE - A display device includes a display panel configured to display an image in an upward direction and a reflective panel on the display panel, the reflective panel configured to selectively transmit or reflect light with respect to an area corresponding to the image. | 11-15-2012 |
20120299037 | Organic light-emitting device and method of manufacturing the same - An organic light-emitting device including a substrate, an anode layer on the substrate, the anode layer including WO | 11-29-2012 |
20120319147 | ORGANIC LIGHT EMITTING DIODE DISPLAY - An organic light emitting diode (OLED) display includes: a substrate; a first electrode on the substrate; a first emission layer on the first electrode; a second emission layer on the first emission layer; a second electrode on the second emission layer; and a light emitting assistance layer selectively positioned between the first emission layer and the second emission layer. | 12-20-2012 |
20120326132 | ORGANIC LIGHT EMITTING ELEMENT - An organic light emitting element includes a first electrode, a second electrode, and an organic layer. The organic layer includes a first emission layer between the first electrode and the second electrode, a second emission layer between the first emission layer and the second electrode, and an electron injection layer (EIL) between the first emission layer and the second emission layer, the electron injection layer (EIL) containing fullerene (C60). | 12-27-2012 |
20120326189 | Electrode Including Magnetic Material and Organic Light Emitting Device Including the Electrode - An electrode, which includes a magnetic material to improve the flow of charges, and an organic light emitting device using the electrode. The electrode for the organic light emitting device has an excellent charge injection property, so that it is possible to improve the efficiency of light emission of the organic light emitting device. | 12-27-2012 |
20130001524 | HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING THE SAME - A heterocyclic compound represented by Formula 1 below and an organic light-emitting device including an organic layer that includes the following heterocyclic compound: | 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 |
20130001532 | ORGANIC LIGHT EMITTING DIODE - A full color organic light emitting diode having high efficiency and high color purity while having low manufacturing costs due to simple manufacturing processes. | 01-03-2013 |
20130076251 | DUAL MODE ORGANIC LIGHT EMITTING DEVICE AND PIXEL CIRCUIT INCLUDING THE SAME - A dual mode organic light emitting device and a pixel circuit including the same are disclosed. The dual mode organic light emitting device includes a cathode formed over a substrate, an electron transport layer (ETL) formed over the cathode, an emission layer formed over the electron transport layer (ETL), and an anode formed over the emission layer, wherein the cathode includes a first metal selected from silver (Ag), aluminum (Al), copper (Cu), and gold (Au) and a second metal having a work function of about 4.0 eV or less, and the first metal and the second metal are present at a weight ratio of about 1:1 to about 1:100. | 03-28-2013 |
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 |
20140014925 | NOVEL COMPOUND WITH ELECTRON INJECTION AND/OR ELECTRON TRANSPORT CAPABILITIES AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - A compound represented by Formula 1 below and an organic light-emitting device including the compound are provided: | 01-16-2014 |
20140062982 | PIXEL AND ORGANIC LIGHT EMITTING DISPLAY USING THE SAME - A pixel capable of realizing desired brightness and of displaying a uniform image is disclosed. In one aspect, the pixel includes an organic light emitting diode (OLED), a first transistor having a second electrode thereof coupled to an anode electrode of the OLED to control an amount of current supplied to the OLED in response to a voltage applied to a gate electrode thereof. The pixel also includes at least one second transistor coupled between the second electrode and the gate electrode of the first transistor, and a third transistor coupled between the second transistor and the gate electrode of the first transistor. The third transistor is turned off in a partial period of a period in which the second transistor is turned on. | 03-06-2014 |
20140077175 | CONDENSED-CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DIODE INCLUDING THE CONDENSED-CYCLIC COMPOUND - A condensed-cyclic compound and an organic light-emitting diode including the condensed-cyclic compound. | 03-20-2014 |
20140138646 | ORGANIC LIGHT-EMITTING DIODE DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - An organic light-emitting diode (OLED) display apparatus including a substrate, an insulation layer on the substrate, and an align mark formed of an insulation material, wherein an upper surface of the insulation layer contacts a lower surface of the align mark. | 05-22-2014 |
20140167007 | PYRENE-BASED COMPOUND AND ORGANIC LIGHT-EMITTING DIODE INCLUDING THE SAME - A pyrene-based compound and an organic light-emitting diode including the pyrene-based compound are provided. | 06-19-2014 |
20140198136 | PIXEL CIRCUIT OF AN ORGANIC LIGHT EMITTING DISPLAY DEVICE AND ORGANIC LIGHT EMITTING DISPLAY DEVICE INCLUDING THE SAME - A pixel circuit according to an embodiment includes: a capacitor; a first switching unit configured to initialize the capacitor in response to a first scan signal received from a first scan line; a second switching unit configured to receive a second scan signal from a second scan line disposed in a first direction from the first scan line, to receive a third scan signal from a third scan line disposed in a second direction opposite to the first direction from the first scan line, and to be turned on in response to one of the second scan signal and the third scan signal that is activated after the first scan signal is activated to store a data signal in the capacitor; and a driving transistor configured to provide a driving current to an OLED in response to the data signal stored in the capacitor. | 07-17-2014 |
20140264295 | ORGANIC LIGHT EMITTING DIODE DISPLAY - An OLED display having a first pixel, a second pixel, and a third pixel which neighbor each other, includes: a plurality of first electrodes provided respectively corresponding to the first pixel, the second pixel, and the third pixel and being separated from each other; a hole injection layer provided on the plurality of first electrodes; a main emission layer including a first emission layer disposed on the hole injection layer corresponding to the first pixel, a second emission layer disposed on the hole injection layer corresponding to the second pixel, and a third emission layer disposed on the hole injection layer corresponding to the third pixel; a p-type hole transport layer disposed between the second emission layer and the hole injection layer and p-type doped; and a second electrode disposed on the main emission layer. | 09-18-2014 |
20140353604 | ORGANIC LIGHT EMITTING DEVICE HAVING A BULK LAYER COMPRISING A FIRST AND SECOND MATERIAL - Disclosed is an organic light emitting diode device including an anode, a cathode, an emission layer between the anode and the cathode, and a buffer layer positioned between the emission layer and the anode. The buffer layer includes an oxide, fluoride, quinolate, or acetoacetate compound of an alkaline metal or an alkaline-earth metal, as well as a material having a work function of about 2.6 to about 4.5 eV. The buffer layer also has a thickness of about 30 Å to about 400 Å. | 12-04-2014 |
20140374713 | ORGANIC LIGHT-EMITTING DEVICE - Provided is an organic light-emitting device including a first electrode, a second electrode disposed opposite to the first electrode, an emission layer disposed between the first electrode and the second electrode, and an electron-transporting layer disposed between the emission layer and the second electrode. The electron-transporting layer includes a first electron-transporting material and a second electron-transporting material. The lowest unoccupied molecular orbital (LUMO) energy level of the first electron-transporting material (EL | 12-25-2014 |