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Chang-Ho Lee

Chang-Ho Lee, Yongin-City KR

Patent application numberDescriptionPublished
20100051924FLUORENE-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
20100207149ORGANIC 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
20100301741ORGANIC 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
20110049487HETEROARYLAMINE 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
20110049494HETEROARYLAMINE 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
20110057175ORGANIC 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
20110114974Organic 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
20110133633Organic 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

Chang-Ho Lee, Seoul KR

Patent application numberDescriptionPublished
20100160617NUCLEASE-RESISTANT RNA APTAMER INHIBITING REPLICATION OF HEPATITIS C VIRUS REPLICON - Disclosed a nuclease-resistant RNA aptamer for inhibiting the replication of HCV replicon. This aptamer is capable of binding specifically to HCV NS5B and inhibiting the proliferation of the HCV replicon, and is composed of at least one sequence selected from a group consisting of SEQ ID NOS. 1 to 4, in which a fluoro group is substituted for 2′-hydroxy of both U (uracil) and C (cytosine) bases, and SEQ ID NO. 4, which is tagged with a cholesteryl group at a 5′ end and with idT at a 3′ end. The RNA aptamer is useful in the diagnosis and treatment of HCV infection.06-24-2010
20110122117DISPLAY PANEL - A display panel includes an amorphous silicon gate driver in which a lower voltage than the gate-off voltage output from the gate driver is applied to an adjacent stage as a low voltage transmission signal.05-26-2011

Patent applications by Chang-Ho Lee, Seoul KR

Chang-Ho Lee, Taejeon KR

Patent application numberDescriptionPublished
20100004440Novel acyclic nucleoside phosphonate derivatives, salts thereof and process for the preparation of the same - The present invention relates to an acyclic nucleoside phosphonate derivative which is useful as an antiviral agent (particularly, against hepatitis B virus), pharmaceutically acceptable salts, stereoisomers, and a process for the preparation thereof.01-07-2010

Chang-Ho Lee, Gyeongsangbuk-Do KR

Patent application numberDescriptionPublished
20080291358Liquid crystal display device - A liquid crystal display (LCD) device having a heat releasing structure is disclosed to effectively release heat generated from heating elements such as an inverter IC and a transformer formed on an inverter PCB (Printed, Circuit Board). The LCD device includes a lower cover; a backlight unit formed on the lower cover and providing light; a liquid crystal panel separated from the backlight unit and provided with light; an inverter PCB that drives the backlight unit; an inverter IC and a transformer mounted on the PCB and generating voltage supplied to the backlight unit; a heat conduction unit attached on the inverter IC and the transformer and heat-conducted; and a shield cover protecting the PCB from the exterior and contacting with the heat conduction unit on the inverter IC and the transformer to release heat.11-27-2008

Chang-Ho Lee, Daejeon Metropolitan City KR

Patent application numberDescriptionPublished
20110177680ETCHANT COMPOSITION FOR METAL WIRING AND METHOD OF MANUFACTURING THIN FILM TRANSISTOR ARRAY PANEL USING THE SAME - The present invention relates to an etchant for wet etching a wiring that includes copper, where the etchant includes approximately 5 to approximately 25 wt % of a peroxide, approximately 0.5 to approximately 5 wt % of an oxidant, approximately 0.1 to approximately 1 wt % of a fluoride-based compound and approximately 1 to approximately 10 wt % of a glycol. The etchant can provide an etching rate that is suitable to many processes, and produces an appropriate etching amount as well as an appropriate taper angle.07-21-2011