Patent application number | Description | Published |
20090321764 | Method of Manufacturing Organic Light Emitting Device and Organic Light Emitting Device Manufactured by Using The Method - Disclosed is a method of manufacturing an organic light emitting device, an organic light emitting device manufactured by using the method, and an electronic device including the organic light emitting device. The method includes (a) forming an insulating layer on a lower electrode, (b) etching the insulating layer to form an opening ranging from an upper surface of the insulating layer to the lower electrode so that an overhang structure having a lowermost circumference that is larger than an uppermost circumference is formed, (c) forming a conductive layer on an upper surface of the lower electrode in the opening and a surface of the insulating layer other than the overhang structure, (d) forming an organic material layer on the conductive layer formed on the upper surface of the lower electrode in the opening, and (e) forming an upper electrode on an upper surface of the conductive layer disposed on the upper surface of the insulating layer and an upper surface of the organic material layer. | 12-31-2009 |
20100320446 | ORGANIC LIGHT-EMITTING DEVICE HAVING IMPROVED LIGHT-EMITTING EFFICIENCY AND METHOD FOR FABRICATING THE SAME - The present invention provides an organic light emitting device in which a layer having a refractive index in the range of 1.3 to 3 is further formed on an upper electrode of at least one region of regions through which rays having red, green, and blue colors are passed and a method of manufacturing the organic light emitting device. An optical length that can cause the microcavity effect according to the type of color of emitted light is controlled by using the layer to manufacture the organic light emitting device having high light emitting efficiency. | 12-23-2010 |
20120037948 | ORGANIC LIGHT EMITTING DIODE AND METHOD FOR MANUFACTURING THE SAME - An exemplary embodiment of the present invention provides an organic light emitting diode, comprising a substrate, a first electrode, an organic material layer, and a second electrode, wherein a trench comprising a concave part and a convex part is provided on the substrate, the first electrode is provided on the substrate on which the trench is formed by being deposited, and an auxiliary electrode is provided on the first electrode. The organic light emitting diode according to the exemplary embodiment of the present invention may increase surface areas of the first electrode and the auxiliary electrode formed on the substrate, thereby implementing a low resistance electrode. In addition, since a line width of the electrode is not increased, it is possible to prevent a decrease of an opening ratio of the organic light emitting diode. | 02-16-2012 |
20130112962 | ORGANIC LIGHT-EMITTING DEVICE AND METHOD FOR MANUFACTURING SAME - An exemplary embodiment of the present invention provides a method for preparing an organic light-emitting device, comprising the steps of: 1) forming a spacer pattern on a first electrode formed on a substrate; 2) forming an organic material layer and a second electrode; 3) exposing the first electrode by forming an encapsulation thin film and then etching at least one portion of the encapsulation thin film; and 4) forming an auxiliary electrode which is electrically connected to the first electrode exposed in the step 3). The organic light-emitting device according to the exemplary embodiment of the present invention may solve problems of a voltage drop due to resistance of a transparent electrode in a longitudinal direction and of resultant brightness non-uniformity of the diode. | 05-09-2013 |
20140034920 | ORGANIC LIGHT EMITTING DEVICE AND METHOD FOR PREPARING THE SAME - The present invention relates to an organic light emitting device and a method for preparing the same. An organic light emitting device according to the present invention comprises an organic light emitting unit having a structure in which a substrate, a first electrode, an organic material layer, and a second electrode are sequentially laminated, wherein the organic light emitting device comprises an auxiliary electrode and a fuse pattern; and the first electrode and the auxiliary electrode are electrically connected to each other through the fuse pattern. | 02-06-2014 |
20140306210 | ORGANIC LIGHT-EMITTING DEVICE AND METHOD FOR MANUFACTURING SAME - The present invention relates to an organic light emitting device and a method for preparing an organic light emitting device, and the organic light emitting device comprises a substrate, a first electrode, an organic material layer, and a second electrode in this order, and a spacer pattern on the first electrode. | 10-16-2014 |
20140306214 | ORGANIC LIGHT-EMITTING DEVICE AND METHOD FOR MANUFACTURING SAME - The present invention relates to an organic light emitting device and a method for preparing the same, and the organic light emitting device according to the present invention comprises: a substrate; a first electrode provided on the substrate; an organic material layer provided on the first electrode; a second electrode pattern provided on the organic material layer and comprising two or more metal layers spaced apart from each other; and a fuse layer provided in an entire region of an upper surface of the second electrode pattern and gaps between the metal layers spaced apart from each other. | 10-16-2014 |
20150162561 | FABRICATION METHOD FOR ORGANIC LIGHT EMITTING DEVICE AND ORGANIC LIGHT EMITTING DEVICE FABRICATED BY THE SAME METHOD - An organic light emitting device includes a cathode made of metal, at least one organic material layer including a light emitting layer, and an anode in the sequentially layered form. The organic light emitting device also includes a thin metal film that is interposed between the cathode and the organic material layer. | 06-11-2015 |