YOUL CHON CHEMICAL CO., LTD. Patent applications |
Patent application number | Title | Published |
20140231786 | Blue Phosphorescent Organic Light Emitting Device Having a Minimal Lamination Structure - Disclosed is a blue phosphorescent organic light emitting device having a minimal lamination structure. The device includes an anode; an emitting layer formed on the anode and including a host and a dopant; an electron transport layer formed on the emitting layer; and a cathode formed on the electron transport layer. A difference between a work function of the anode and a high occupied molecular orbital (HOMO) energy level of the emitting layer is less than 1.0 eV, and a difference between a low occupied molecular orbital (LUMO) energy level of the emitting layer and an LUMO energy level of the electron transport layer is less than 1.0 eV. | 08-21-2014 |
20140159027 | Host Material for Blue Phosphor, and Organic Thin Film and Organic Light-Emitting Device Including Same - Provided are a host material for a blue phosphor, and an organic thin film and an organic light-emitting device including the same. The host material for a blue phosphor is such that a carbazole compound is bonded around a central atom, wherein the central atom is a Group 14 element, and the carbazole compound bonded around the central atom is 3 or 4, wherein the carbazole compound includes carbazole in which an alkyl group is substituted. The host material for a blue phosphor has high triplet energy (ET) and excellent electrical mobility and thermal stability. As a result, the organic thin film, which includes the host material, and the organic light-emitting device, which includes the organic thin film, implement a deep blue color and have excellent luminous efficiency. | 06-12-2014 |
20140090708 | BACK SHEET FOR A SOLAR CELL MODULE, AND SOLAR CELL MODULE COMPRISING SAME - Provided are a back sheet for a solar cell module, and a solar cell module comprising same. The back sheet for a solar cell module comprises: a heat-dissipating metal layer; an upper anticorrosion layer formed on the upper surface of said heat-dissipating metal layer; a lower anticorrosion layer formed on the lower surface of said heat-dissipating metal layer; and a surface layer formed on said upper anticorrosion layer and adhered to a charging sheet of the solar cell module. The back sheet for a solar cell module according to the present invention has superior heat-dissipating properties and thus may efficiently dissipate (discharge) heat generated in a solar cell, thereby increasing the amount of power generation (photoconversion efficiency) of the solar cell. In addition, the back sheet of the present invention is inexpensive and may improve adhesive force and the like. | 04-03-2014 |
20140061089 | COMPOSITION FOR A STARCH CONTAINER, STARCH CONTAINER USING SAME, AND METHOD FOR MANUFACTURING THE STARCH CONTAINER - Provided is a composition for a starch container, comprising: 20 to 60 weight % of an undenatured starch; 5 to 30 weight % of a pulp fiber powder; 0.1 to 2 weight % of a photocatalyst; 0.5 to 5 weight % of a release agent; and 0.01 to 5 weight % of a capsule type blowing agent preparations; and the remainder being a solvent. Also provided is a starch container using the composition. The above-described composition of the present invention may be used not only as a material for a disposable container which has improved blowing property, and which is lightweight and has improved moldability, but also as a material for an eco-friendly starch container having eco-friendly characteristics. | 03-06-2014 |
20140041716 | BACK SHEET FOR SOLAR CELL MODULE AND SOLAR CELL MODULE INCLUDING SAME - Provided are a back sheet for a solar cell module and a solar cell module including the same, the solar cell module comprises a polyester film layer and a fluorine coating layer which coats at least one surface of the polyester film layer. The back sheet is formed on an upper surface of the polyester film layer, and include s a polyethylene film layer attached to an ethylene vinyl acetate (EVA) sheet of the solar cell module. The back sheet for the solar cell module can be distributed at a low cost, and has excellent adhesive property, moisture barrier property (water vapor -permeability preventing property) and the like. | 02-13-2014 |
20130263922 | BACK SHEET FOR SOLAR CELLS AND METHOD FOR PREPARING THE SAME - Provided is a back sheet for solar cells including a substrate, a fluororesin layer existing on one side of the substrate and a heat-dissipating ink layer existing on the other side of the substrate. Provided also is a method for preparing the same. The back sheet for solar cells may have an excellent heat dissipation property as well as a high durability. Further, the method for preparing the same may allow a cost-efficient production of solar cells. | 10-10-2013 |
20130089493 | DEVICE AND METHOD FOR GENERATING HYDROGEN FROM AN AMMONIA BORANE-BASED COMPOUND HYDROGEN RESERVOIR, A CATALYST USED WITH THE SAME, AND A DEVICE FOR USING EMITTED HYDROGEN - Provided are: a device and method for generating hydrogen from a hydrogen reservoir, whereby it is possible to produce two weight equivalents of the weight equivalent of the hydrogen which can be emitted from ammonia borane-based compounds, in other words a hydrogen storage capacity of 13.0%, in a short time at low temperature; a catalyst used with the same; and a device for using emitted hydrogen. | 04-11-2013 |
20120183706 | CELL PACKAGING MATERIAL AND METHOD FOR MANUFACTURING SAME - Cell packaging according to one embodiment of the present invention comprises: a base film layer; and a print layer provided beneath or on the base film layer, and including a binder resin and carbon black. The base film layer or print layer of the cell packaging is partially removed by means of laser irradiation to expose the layer under same. Therefore, according to the cell packaging of the invention, a wide range of shapes or logos, etc. can easily be externally displayed so as to be discernible by means of laser irradiation. By thus imparting discernibility and externality to the cell packaging, a labeling process for attaching a separate label to the cell packaging can be excluded. | 07-19-2012 |
20110111142 | LABEL AND METHOD OF MANUFACTURING THE SAME - Disclosed are a label and a method of manufacturing the same, the label comprising: a first base film; a first ink layer formed on the exterior top part of the first base film, and comprising a metal or metal oxide that changes from its original color to another color by being oxidized by a laser; and a resin coating layer coated on the first ink layer to protect the first ink layer, wherein the laser passing through a part or the whole of the resin coating layer is transmitted to the first ink layer. According to the present invention, there is no oxidation residue; thus, the efficiency of marking is excellent and any possibility of change in quality due to aging can be eliminated. In addition, the color rendering is excellent, and the scratch resistance, chemical resistance and heat resistance are superior. | 05-12-2011 |
20110039215 | LABEL AND METHOD FOR PREPARING THE SAME - Disclosed is a label having an ink layer which has a metal or a metal oxide as its pigment, the color of the metal or the metal oxide being changed with an oxidation reaction of the metal or the metal oxide by laser irradiation, the laser irradiation causing the oxidation reaction of the metal oxide so as to make the metal oxide change in its oxidation number or come to a complete oxidation state from an incomplete oxidation state. | 02-17-2011 |
20100247832 | Label and Method for Preparing the Same - Disclosed is a label comprising a substrate film, or a substrate film and an intermediate film, wherein either or both of the substrate film and the intermediate film have through-holes, and a method for preparing the same. The method for preparing the label causes no generation of defects, and shows an excellent production rate and work efficiency. The label has no possibility of forgery, and shows clear marking characteristics. In addition, the label has a simple structure and excellent printability and cost efficiency, causes no degradation of the quality with time, shows high chemical resistance and heat resistance, is free from various contaminants during use, and is provided with low initial adhesion but high permanent adhesion. | 09-30-2010 |
20100172996 | Chain-End Functionalized Methoxy Poly(Ethylene Glycol) and Metal Nano-Particles Using the Same - Disclosed is a chain-end functionalized methoxy poly(ethylene glycol) (mPEG), a process of preparing the same, a living methoxy poly(ethylene glycol) for preparing the functionalized methoxy poly(ethylene glycol), a nano-particles of transition metal or metal salt encapsulated in the micelle structure formed by the chain-end functionalized methoxy poly(ethylene glycol), and a method for preparing the nano-particles of transition metal or metal salt. | 07-08-2010 |
20100158812 | Anti-Cancer Medicine Both for Diagnosing and Treating Cancer - Disclosed is an anti-cancer medicine comprising a chain end functionalized polymer, a contrast material such as iron oxide and a chemotherapeutic agent such as doxorubicin or pharmaceutically acceptable salts thereof. The anti-cancer medicine performs diagnosis and treatment of cancer at the same time, remarkably reduces a cardiotoxic side effect of the doxorubicin and has an excellent targeting function to the cancer part to considerably increase the anti-cancer effect. At the same time, the anti-cancer medicine is provided as MRI contrast medium which can diagnose the cancer and monitor a progress of the disease. In particular, the anti-cancer medicine is disclosed which is superior to the diagnosis and treatment of the solid cancer and can effectively perform the diagnosis and treatment of the metastatic cancer as well as the primary cancer at the same time. | 06-24-2010 |
20090142268 | CHAIN-END FUNCTIONALIZED POLY(ETHYKENE OXIDE) AND PROCESS FOR THE PREPARATION OF A NANO-SIZED TRANSITION METAL OR METAL SALT USING THE SAME - There is provided a novel chain-end functionalized PEO of formulas (I) to (IV) prepared via living anionic polymerization and chain-end functionalization, as well as a simple method of preparing nano-sized transition metal or metal salt particles using the same, which can be readily stabilized even in an aqueous medium. The water-soluble PEO-based polymers having various functional groups (including a drug group such as vitamin and anti-cancer agent) and the process of preparing nano-sized transition metal or metal salt particles using the same can be advantageously used in the development of new materials for drug delivering system and imaging, e.g., a contrast agent and an anti-cancer agent simultaneously. | 06-04-2009 |