Patent application number | Description | Published |
20100176717 | ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting display device, comprising: a first insulating layer formed on a substrate; a plurality of patterns formed on the first insulating layer, the patterns and the first insulating layer together forming a surface having a corrugated cross-section; a first electrode formed on the patterns and the first insulating layer, the first electrode having a thickness less than a height of the patterns; an organic light emitting layer formed on the first electrode in a light emitting region; and a second electrode formed on the organic light emitting layer. The light completely reflected by internal surfaces of the first and second electrodes is externally emitted due to a mode mismatch phenomenon in an edge portion of a pattern thereof, thereby increasing a light emission rate of the display device. | 07-15-2010 |
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 |
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 |
20110147770 | ORGANIC LIGHT EMITTING DIODE DISPLAY - An organic light emitting diode display includes: a substrate main body having a plurality of pixel regions, each including an opaque region and a transparent region; and organic light emitting diodes, thin film transistors, and conductive lines that are formed in the opaque region of the substrate main body. The transparent region includes a transparent square space that has an area that is at least 15% of the entire area of the pixel region. | 06-23-2011 |
20110169720 | ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting display device that can prevent distortion of an image transmitted therethrough by preventing light scattering. The organic light emitting display device includes a substrate in which a plurality of transmitting regions and a plurality of pixel regions are defined. The plurality of pixel regions are spaced apart from each other by the transmitting regions. A passivation layer is formed in all the plurality of transmitting regions and the plurality of pixel regions. A first aperture is formed in a location on the passivation layer, which corresponds to an at least part of the plurality of transmitting regions; a plurality of pixel electrodes that are formed on the passivation layer and are disposed to overlap and cover the thin film transistors. An opposite electrode formed to face the plurality of pixel electrodes and to allow light to pass therethrough. An organic emission layer is interposed between the plurality of pixel electrodes and the opposite electrode to emit light. | 07-14-2011 |
20110175097 | ORGANIC LIGHT EMITTING DISPLAY DEVICE - A transparent organic light emitting display device having an improved transmittance, in which transmittance of external light is increased, the organic light emitting display device including: a substrate having transmitting regions interposed between pixel regions; thin film transistors positioned on a first surface of the substrate and respectively disposed in the pixel regions of the substrate; a passivation layer covering thin film transistors; pixel electrodes formed on the passivation layer and respectively electrically connected to the thin film transistors, the pixel electrodes are respectively located in an area corresponding to the pixel regions, and are disposed to respectively overlap and cover the thin film transistors; an opposite electrode facing the pixel electrodes and formed to be able to transmit light, the opposite electrode is located in the transmitting regions and the pixel regions and includes a first opening formed on a location corresponding to at least a portion of respective ones of the transmitting regions; and an organic emission layer interposed between respective ones of the pixel electrodes and the opposite electrode to emit light. | 07-21-2011 |
20110186846 | Organic Light Emitting Display Device - A transparent organic light emitting display device having improved transmittance comprises: a first substrate having a transmitting region and a plurality of pixel regions separated from each other by the transmitting region; thin film transistors positioned on a first surface of the first substrate and disposed in the pixel regions of the substrate; a passivation layer covering the thin film transistors; a plurality of pixel electrodes, formed on the passivation layer so as to be electrically connected to the thin film transistors, located in the pixel regions, and overlapping and covering the thin film transistors; an opposite electrode facing the pixel electrodes, formed to be able to transmit light, and located in the transmitting region and the pixel regions; an organic emission layer interposed between the pixel electrode and the opposite electrode to emit light; a second substrate facing the opposite electrode and bonded to the first substrate; and a conduction unit interposed between the second substrate and the opposite electrode, and having both ends contacting the second substrate and the opposite electrode. | 08-04-2011 |
20110204369 | Organic Light-Emitting Display Device - An organic light-emitting display device which is transparent by improving a transmittance in transmitting regions and which reduces a voltage drop in an opposite electrode comprises: a substrate having a transmitting region and pixel regions separated from each other by the transmitting region; thin film transistors positioned on the substrate and disposed in the pixel regions, respectively; a passivation layer covering the thin film transistors, formed in the transmitting region and the pixel regions, and having a first opening formed in a location corresponding to at least a portion of the transmitting region; pixel electrodes formed on the passivation layer so as to be electrically connected to the thin film transistors, respectively, located in the pixel regions, and disposed so as to overlap and cover the thin film transistors, respectively; an opposite electrode facing the pixel electrodes, formed so as to be able to transmit light, and located in the transmitting region and the pixel regions; an organic emission layer interposed between the pixel electrodes and the opposite electrode so as to emit light; and a conduction unit formed of a conductive material, disposed so as to overlap with the first opening, and contacting the opposite electrode. | 08-25-2011 |
20110220900 | ORGANIC LIGHT-EMITTING DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - An organic light-emitting display apparatus includes a substrate, a plurality of pixel electrodes formed on the substrate, a counter electrode formed to cover all of the plurality of pixel electrodes, organic light emitting layers disposed between the plurality of pixel electrodes and the counter electrode, an encapsulation substrate disposed above the substrate to cover the counter electrode, a sealant formed along edges of the substrate and the encapsulation substrate to seal a space formed between the substrate and the encapsulation substrate, a filler filled in the space formed between the substrate and the encapsulation substrate, and bus electrodes disposed on an inner surface of the encapsulation substrate facing the counter electrode. Each of the bus electrodes includes projecting portions and a base portion connecting the projecting portions to each other. The projecting portions are connected to the counter electrode, and a connection portion of the each of the projecting portions to the counter electrode is disposed between the organic light-emitting layers. | 09-15-2011 |
20110220901 | Organic light-emitting display device - An organic light-emitting display device includes a first substrate having transmitting regions and pixel regions separated from each other by the transmitting regions, a plurality of thin film transistors on the first substrate in the pixel regions, a passivation layer covering the plurality of thin film transistors, a plurality of pixel electrodes on the passivation layer and electrically connected to the thin film transistors, the pixel electrodes being in the pixel regions and overlapping the thin film transistors, an opposite electrode in the transmitting regions and the pixel regions, the opposite electrode facing the plurality of pixel electrodes and being configured to transmit light, an organic emission layer interposed between the pixel electrodes and the opposite electrode, and a color filter in corresponding pixel regions. | 09-15-2011 |
20110221661 | Organic light-emitting display device - An organic light-emitting display device includes a substrate, the substrate having a plurality of transmitting regions, a plurality of thin film transistors, a plurality of conductive lines, a passivation layer, a plurality of pixel electrodes on the passivation layer, an opposite electrode facing the plurality of pixel electrodes, an organic layer disposed among the plurality of pixel electrodes and the opposite electrode, and a plurality of masking films disposed in the plurality of transmitting regions. | 09-15-2011 |
20110241014 | Organic light emitting display device - An organic light emitting display device includes a substrate having transmitting and pixel regions, the pixel regions being separated by the transmitting regions, at least one thin film transistor in each of the pixel regions, a plurality of transparent first conductive lines electrically connected to the thin film transistors and extending across the transmitting regions, a plurality of second conductive lines electrically connected to the thin film transistors and extending across the transmitting regions, a passivation layer, a plurality of pixel electrodes on the passivation layer, the pixel electrodes being separated and positioned to correspond to respective pixel regions, each of the pixel electrodes being electrically connected to and overlapping a corresponding thin film transistor, an opposite electrode overlapping the pixel electrodes in the transmitting and pixel regions, and an organic emission layer between the pixel electrodes and the opposite electrode. | 10-06-2011 |
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 |
20120001184 | ORGANIC LIGHT-EMITTING DISPLAY DEVICE - A transparent organic light-emitting display device has an improved transmittance and a reduced voltage drop in an opposite electrode. The organic light-emitting display device includes: a first substrate having a transmitting region and a plurality of pixel regions separated from each other by the transmitting region interposed between the pixel regions; a plurality of pixel electrodes being located at the pixel regions, respectively; an opposite electrode facing the pixel electrodes and being at the transmitting region and the pixel regions; a second substrate facing the opposite electrode and being bonded to the first substrate; a first conductive unit being between the second substrate and the opposite electrode, opposite ends of the first conductive unit contacting the second substrate and the opposite electrode, respectively; and a second conductive unit facing the first conductive unit and contacting the opposite electrode that is between the first conductive unit and the second conductive unit. | 01-05-2012 |
20120007055 | ORGANIC LIGHT EMITTING DIODE DEVICE - An organic light emitting diode device includes a first electrode, a second electrode, and an emission layer disposed between the first and second electrodes. The first electrode includes a first layer and a second layer. The first layer includes ytterbium (Yb), samarium (Sm), lanthanum (La), yttrium (Y), calcium (Ca), strontium (Sr), cesium (Cs), ruthenium (Ru), barium (Ba), or a combination thereof and having a thickness ranging from about 40 to 200 Å. The second layer includes silver (Ag), aluminum (Al), copper (Cu), chromium (Cr), or a combination thereof and having a thickness ranging from about 100 to 250 Å. | 01-12-2012 |
20120074435 | ORGANIC LIGHT EMITTING DISPLAY - An organic light emitting display is disclosed. In one embodiment, the display includes 1) a substrate, 2) a plurality of pixels formed on the substrate, wherein each of the pixels comprises at least one circuit region including i) a first light emission area, ii) a second light emission area iii) at least one transmission area transmitting external light, and iv) a pixel circuit unit and 3) a first pixel electrode formed in the first light emission area and electrically connected to the pixel circuit unit, wherein the first pixel electrode comprises a first transparent conductive layer and a reflective layer. The display may further include 1) a second pixel electrode formed in the second light emission area and electrically connected to the first pixel electrode, wherein the second pixel electrode comprises a second transparent conductive layer, 2) a first opposite electrode substantially directly below or above the first pixel electrode, 3) a second opposite electrode substantially directly below or above the second pixel electrode and 4) an organic emission layer formed between the first pixel electrode and the first opposite electrode and between the second pixel electrode and the second opposite electrode. | 03-29-2012 |
20120112628 | ORGANIC LIGHT-EMITTING DEVICE - An organic light-emitting device including an anode, a cathode having a double-layered structure, and an emission layer between the anode and the cathode. | 05-10-2012 |
20120153286 | ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting display device has high transmittancy to external light. The organic light emitting display device includes a substrate; a first wiring formed on the substrate in a first direction; second and third wirings formed on the substrate in a second direction; a first thin film transistor connected to the first and second wirings; a second thin film transistor connected to the first thin film transistor and the third wiring; and an organic light emitting display panel (OLED) connected to the second thin film transistor, wherein the second and third wirings are formed of graphene. | 06-21-2012 |
20130026456 | ORGANIC LIGHT EMITTING DIODE DISPLAY - An organic light emitting diode display, which includes: a first electrode; a second electrode facing the first electrode; and an emission layer interposed between the first electrode and the second electrode. Herein the first electrode includes: a first layer including a material having a work function of about 4.0 eV or less and an electron injection material; and a second layer including a material having a resistivity of about 10 μΩcm or less. The first layer is disposed between the second layer and the emission layer. | 01-31-2013 |
20130240864 | ORGANIC LIGHT-EMITTING DISPLAY DEVICE - An organic light-emitting display device includes a first substrate having transmitting regions and pixel regions separated from each other by the transmitting regions, a plurality of thin film transistors on the first substrate in the pixel regions, a passivation layer covering the plurality of thin film transistors, a plurality of pixel electrodes on the passivation layer and electrically connected to the thin film transistors, the pixel electrodes being in the pixel regions and overlapping the thin film transistors, an opposite electrode in the transmitting regions and the pixel regions, the opposite electrode facing the plurality of pixel electrodes and being configured to transmit light, an organic emission layer interposed between the pixel electrodes and the opposite electrode, and a color filter in corresponding pixel regions. | 09-19-2013 |
20130313539 | ORGANIC LIGHT-EMITTING DISPLAY DEVICE - An organic light-emitting display device includes a first substrate having transmitting regions and pixel regions separated from each other by the transmitting regions, a plurality of thin film transistors on the first substrate in the pixel regions, a passivation layer covering the plurality of thin film transistors, a plurality of pixel electrodes on the passivation layer and electrically connected to the thin film transistors, the pixel electrodes being in the pixel regions and overlapping the thin film transistors, an opposite electrode in the transmitting regions and the pixel regions, the opposite electrode facing the plurality of pixel electrodes and being configured to transmit light, an organic emission layer interposed between the pixel electrodes and the opposite electrode, and a color filter in corresponding pixel regions. | 11-28-2013 |
20140138639 | ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DIODE DISPLAY - An organic light emitting diode includes a first electrode including a reflective metal layer of a light-reflective metal, an upper transparent conductive layer on the reflective metal layer, and an amorphous oxide layer on the upper transparent conductive layer, an organic emission layer on the first electrode, and a second electrode on the organic emission layer. | 05-22-2014 |
20140186983 | MASK, METHOD OF CLEANING THE MASK, AND METHOD OF MANUFACTURING A PLURALITY OF ORGANIC ELECTROLUMINESCENT ELEMENTS USING THE MASK - A method of cleaning a mask includes preparing a mask on which a first metal layer and a second metal layer are stacked sequentially, and lifting off the second metal layer by removing the first metal layer. | 07-03-2014 |
20140367651 | ORGANIC LIGHT EMITTING DISPLAY APPARATUS - An organic light emitting display apparatus includes a lower substrate and an upper substrate. The lower substrate includes a light emitting device having an organic emission layer between first and second electrodes, and an auxiliary electrode under and electrically connected to the second electrode. The upper substrate includes an embossing member contacting the second electrode. The embossing member is coupled to the upper substrate to face the lower substrate and applies a pressure to establish an electrical connection between the auxiliary electrode and the second electrode. | 12-18-2014 |
20150021580 | ORGANIC LIGHT EMITTING DISPLAY - An organic light emitting display is disclosed. In one embodiment, the display includes 1) a substrate, 2) a plurality of pixels formed on the substrate, wherein each of the pixels comprises at least one circuit region including i) a first light emission area, ii) a second light emission area iii) at least one transmission area transmitting external light, and iv) a pixel circuit unit and 3) a first pixel electrode formed in the first light emission area and electrically connected to the pixel circuit unit, wherein the first pixel electrode comprises a first transparent conductive layer and a reflective layer. The display may further include 1) a second pixel electrode formed in the second light emission area and electrically connected to the first pixel electrode, wherein the second pixel electrode comprises a second transparent conductive layer, 2) a first opposite electrode substantially directly below or above the first pixel electrode, 3) a second opposite electrode substantially directly below or above the second pixel electrode and 4) an organic emission layer formed between the first pixel electrode and the first opposite electrode and between the second pixel electrode and the second opposite electrode. | 01-22-2015 |
20150048325 | ORGANIC LIGHT EMITTING DIODE DISPLAY - An organic light emitting diode (OLED) display is provided. An OLED display in accordance with an exemplary embodiment may include a substrate including a first subpixel, a second subpixel, and a third subpixel, a first electrode disposed on each of the first subpixel, the second subpixel, and the third subpixel, a second electrode facing the first electrode, a first common layer disposed on the first subpixel and the second subpixel, a first emission layer and a second emission layer disposed on the first common layer, a second common layer disposed on the third subpixel, and a third emission layer disposed on the second common layer. The first common layer may include a first doping layer and a second doping layer disposed on the first doping layer. Each of the doping layers may including a p-type dopant, and the second common layer may be formed as a single layer. | 02-19-2015 |
20150069359 | ORGANIC LIGHT-EMITTING DISPLAY APPARATUS - An organic light emitting display apparatus, including a first electrode; a second electrode on the first electrode, the second electrode including silver and magnesium; an organic emission layer between the first electrode and the second electrode; a metal layer between the organic emission layer and the second electrode; and a barrier layer between the organic emission layer and the second electrode. | 03-12-2015 |