Patent application number | Description | Published |
20100141879 | ARRAY SUBSTRATE FOR TRANSFLECTIVE LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - An array substrate for a transflective liquid crystal display device includes a substrate, first and second gate lines on the substrate along a first direction, a common line parallel to and between the first and second gate lines, a gate electrode connected to the first gate line, a gate insulating layer on the first and second gate lines, the gate electrode and the common line, a data line over the gate insulating layer and along a second direction, the data line crossing the first and second gate lines to define a pixel region, the pixel region divided into a transmissive area and a reflective area by the common line, a semiconductor layer on the gate insulating layer over the gate electrode, source and drain electrodes over the semiconductor layer and spaced apart each other, a first passivation layer over the data line, the source electrode and the drain electrode substantially all over the substrate, a reflective layer over the first passivation layer in the reflective area, a second passivation layer over the reflective layer and having a flat top surface in the reflective layer, a pixel electrode over the first and second passivation layers and connected to the drain electrode through a drain contact hole, the pixel electrode having a plate shape, a third passivation layer over the pixel electrode, and a common electrode over the third passivation layer substantially all over the substrate, the common electrode having first openings and second openings corresponding to the transmissive area and the reflective area, respectively, wherein the first openings are spaced apart from each other and are parallel to the data line, and the second openings are spaced apart from each other and are slant an a predetermined angle with respect to the data line, wherein first ends of the first openings overlap the second gate line, second ends of the first openings overlap the common line, first ends of the second openings overlap the common line, and second ends of the second openings overlap the first gate line. | 06-10-2010 |
20110032460 | IN-PLANE SWITCHING MODE TRANSFLECTIVE LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - An in-plane switching mode transflective liquid crystal display device includes: first and second substrates; a gate line and a data line on an inner surface of the first substrate, the gate line and the data line crossing each other to define a pixel region; a common line parallel to the gate line; a thin film transistor connected to the gate and data lines; a first passivation layer over the thin film transistor; a reflecting layer over the first passivation layer; a second passivation layer over the reflecting layer; a pixel electrode over the second passivation layer; a third passivation layer over the pixel electrode; a common electrode over the third passivation layer, the common electrode connected to the common line, the common electrode including a plurality of first openings along a first direction in the transmissive area and a plurality of second openings along a second direction different from the first direction in the reflective area; a color filter layer on an inner surface of the second substrate; and a liquid crystal layer between the first and second substrate. | 02-10-2011 |
Patent application number | Description | Published |
20100069230 | HETEROPOLY ACID CATALYST AND METHOD OF PREPARING THE SAME - The present invention relates to a heteropoly acid catalyst which is used for the production of methacrylic acid by gas phase oxidation of methacrolein and a preparing method thereof. The present invention, thereby, provides a novel heteropoly acid catalyst having excellent methacrolein conversion rate, methacrylic acid selectivity and yield. | 03-18-2010 |
20100184591 | METHOD OF PREPARING HETEROPOLY ACID CATALYST - The present invention relates to a method of preparing a heteropoly acid catalyst used for the production of methacrylic acid by gas phase oxidation of methacrolein, more precisely a method of preparing a heteropoly acid catalyst comprising the steps of preparing a slurry by adding metal precursors and ammonium salt to protonic acid Keggin-type heteropoly acid aqueous solution and stirring thereof; and drying, molding and firing the slurry to give a catalyst. The present invention provides a method of preparing a heteropoly acid catalyst exhibiting high methacrolein conversion rate and methacrylic acid selectivity without pre-firing process by using high purity protonic acid Keggin-type heteropoly acid and ammonium salt. | 07-22-2010 |
20100297519 | CATHODE FOR FUEL CELL HAVING TWO KINDS OF WATER-REPELLENCY AND METHOD OF PREPARING THE SAME AND MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL COMPRISING THE SAME - A cathode for a fuel cell includes a gas diffusion layer contacting with a separator having a channel and a catalyst layer interposed between the gas diffusion layer and an electrolyte membrane. The catalyst layer of the cathode has two portions with different water-repelling properties, and a portion of the catalyst layer that does not face a channel has a higher water-repelling property than a portion that faces a channel. This cathode controls water-repelling property of the catalyst layer differently according to locations, so it is possible to keep an amount of moisture in an electrode in a suitable way and to restrain generation of flooding, thereby improving the performance of the cell. | 11-25-2010 |
20100304269 | Electrode For Fuel Cell And Method Of Preparing The Same And Membrane Electrode Assembly And Fuel Cell Comprising The Same - The present invention relates to an electrode for a fuel cell including a catalyst layer that includes a catalyst portion containing a plurality of first catalyst particles dispersed in an ionomer binder resin; and an ionomer portion containing a plurality of second catalyst particles dispersed in an ionomer binder resin, and having a lower concentration of catalyst particles than the catalyst portion, wherein the ionomer portion has a shape of a wall or plural pillars in the catalyst portion. The electrode for a fuel cell according to the present invention has a separate ionomer portion in the catalyst layer, and thus has excellent ion conductivity in an electrode layer and the remarkably improved reaction surface area to enhance the performance of the fuel cell. | 12-02-2010 |
20100330440 | METHOD OF OPERATING FUEL CELL WITH HIGH POWER AND HIGH POWER FUEL CELL SYSTEM - A fuel cell is operated with high power such that which a humidified gas and a dry gas are selectively supplied as oxidant to a cathode of the fuel cell. This method includes (S1) supplying a humidified gas while a power is constantly maintained or until the power begins to decrease; (S2) after supplying the humidified gas, supplying a dry gas to obtain a greater power than an average power of the step (S1); and (S3) after obtaining a predetermined power in the step (S2), repeatedly supplying a humidified gas in case the power decreases and supplying a dry gas in case the power decreases again afterwards, thereby increasing the power such that the predetermined power is maintained. This method provides an optimal operating condition to a fuel cell, thereby ensuring a high power. | 12-30-2010 |
20110020724 | ELECTRODE FOR FUEL CELL HAVING TWO KINDS OF HYDROPHILICITY AND METHOD FOR PREPARING THE SAME AND MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL COMPRISING THE SAME - An electrode for a fuel cell includes a gas diffusion layer contacting with a separator having a channel and a catalyst layer interposed between the gas diffusion layer and an electrolyte membrane. The catalyst layer of the electrode has two portions with different hydrophilicities. A portion of the catalyst layer that faces a channel has a higher hydrophilicity than a portion that does not face a channel. This electrode may control hydrophilicity of the catalyst layer differently according to locations, so it is possible to keep an amount of moisture in an electrode in a suitable way, thereby improving the performance of the cell. | 01-27-2011 |
20110166241 | POLYMER ELECTROLYTE MEMBRANE - Disclosed are a multi-block copolymer, its producing method and an electrolyte membrane using the same. The multi-block copolymer includes a hydrophobic block having a plurality of repeating units represented as chemical formula 1; and a hydrophilic block having a plurality of repeating units represented as chemical formula 2. The multi-block copolymer is acidified, and can be used to an electrolyte membrane and a fuel cell. The use of the multi-block copolymer as an electrolyte membrane ensures excellent dimensional stability. | 07-07-2011 |
20110189575 | METHOD FOR MANUFACTURING POLYMER ELECTROLYTE MEMBRANE FOR FUEL CELL, MEMBRANE ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE MEMBRANE FUEL CELL - Provided are a method for manufacturing a polymer electrolyte membrane for a fuel cell, a membrane electrode assembly and a polymer electrolyte membrane fuel cell. The manufacturing method includes (S | 08-04-2011 |
20110200907 | ION CONDUCTIVE RESIN FIBER, ION CONDUCTIVE HYBRID MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL - Provided are an ion conductive resin fiber, an ion conductive hybrid membrane, a membrane electrode assembly and a fuel cell. The ion conductive resin fiber comprises an inner layer including an ion conductive resin; and an outer layer including an ion conductive resin having larger EW than the ion conductive resin of the inner layer, and surrounding the inner layer. The ion conductive resin fiber and the ion conductive hybrid membrane are excellent in ion conductivity, polar solvent stability and dimensional stability under low humidity conditions. The fuel cell manufactured using the same has advantages of stable operation and management of a system at ease, removal or reduction of components related to water management, and even in case of low relative humidity, operation at high temperature of 80° C. or higher. | 08-18-2011 |
20130245207 | POLYMER ELECTROLYTE MEMBRANE - Disclosed are a multi-block copolymer, its producing method and an electrolyte membrane using the same. The multi-block copolymer includes a hydrophobic block having a plurality of repeating units represented as chemical formula 1; and a hydrophilic block having a plurality of repeating units represented as chemical formula 2. The multi-block copolymer is acidified, and can be used to an electrolyte membrane and a fuel cell. The use of the multi-block copolymer as an electrolyte membrane ensures excellent dimensional stability. | 09-19-2013 |
20130316075 | CATHODE FOR FUEL CELL HAVING TWO KINDS OF WATER-REPELLENCY AND METHOD OF PREPARING THE SAME AND MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL COMPRISING SAME - A cathode for a fuel cell includes a gas diffusion layer contacting with a separator having a channel and a catalyst layer interposed between the gas diffusion layer and an electrolyte membrane. The catalyst layer of the cathode has two portions with different water-repelling properties, and a portion of the catalyst layer that does not face a channel has a higher water-repelling property than a portion that faces a channel. This cathode controls a water-repelling property of the catalyst layer differently according to locations, so it is possible to keep an amount of moisture in an electrode in a suitable way and to restrain generation of flooding, thereby improving the performance of the cell. | 11-28-2013 |
20140329157 | METHOD OF OPERATING FUEL CELL WITH HIGH POWER AND HIGH POWER FUEL CELL SYSTEM - A fuel cell is operated with high power such that which a humidified gas and a dry gas are selectively supplied as oxidant to a cathode of the fuel cell. This method includes (S | 11-06-2014 |
20150078980 | METHOD AND APPARATUS FOR PRODUCING DISILANE THROUGH PYROLYSIS OF MONOSILANE - An apparatus for producing disilane through pyrolysis of monosilane, includes: a monosilane pyrolysis unit; a solid particle removal unit which removes solid particles generated in the pyrolysis unit; a condensing unit which liquefies and collects unreacted monosilane, and disilane and higher silanes with three (3) to seven (7) silicon atoms as pyrolysis products excluding hydrogen from a gas with the solid particles removed; a first separation unit which separates monosilane from a mixture of the liquefied unreacted monosilane, disilane and higher silanes; and a second separation unit which separates disilane and higher silanes from the mixture with the monosilane removed. In accordance with the present disclosure, disilane can be produced economically and efficiently with high purity through pyrolysis of monosilane. | 03-19-2015 |
Patent application number | Description | Published |
20080284965 | Liquid crystal display device and fabricating method thereof - A liquid crystal display device includes a gate line and a data line crossing each other to define a pixel region, a thin film transistor positioned at the crossing of the gate line and the data line, a common line extending in parallel to the gate line, a common electrode connected to the common line and having common finger portions extending into the pixel region, and a pixel electrode connected to a drain electrode of the thin film transistor and having pixel finger portions extending into the pixel region and overlapping the common line. | 11-20-2008 |
20090021683 | Liquid crystal display device of in-plane switching mode and method for manufacturing the same - A liquid crystal display device of an in-plane switching mode and a method for manufacturing the same are disclosed. The liquid crystal display device of an in-plane switching mode includes gate lines and data lines which cross each other on a substrate to define pixel regions, thin film transistors which are formed at crossing portions of the gate lines and the data lines, first common lines formed on the same layer as the gate lines, first electrode fingers which have a plurality of diverged first fingers and include L-shaped protruded patterns at one ends of the first fingers in the pixel regions, and second electrode fingers which have second fingers formed alternately with the first fingers and include |-shaped patterns at one ends of the second fingers in the pixel regions, wherein the L-shaped protruded patterns and the |-shaped patterns overlap partly with the first common lines. | 01-22-2009 |
20100175322 | Fireproof door - The present invention relates to a fireproof door, which comprises a fire-protection glass and a support means for supporting the fire-protection glass, and the support means comprising an elastic member in contact with both surfaces of an edge portion of the fire-protection glass, a reinforcing frame for supporting the elastic member, and a fixing plate fixed to a support and corresponding to both surfaces of the reinforcing frame. The fireproof door of the present invention has a grade A fireproof performance. | 07-15-2010 |
20110267571 | ARRAY SUBSTRATE FOR IN-PLANE SWITCHING MODE LIQUID CRYSTAL DISPLAY DEVICE - An array substrate for an in-plane switching mode liquid crystal display device includes a gate line on a substrate including a pixel region, the pixel region including a first domain at a lower side with respect to the gate line and a second domain at an upper side with respect to the gate line; a data line crossing the gate line; a thin film transistor in the pixel region and at a crossing portion of the gate and data lines; a plurality of first pixel electrodes in the first domain; a plurality of second pixel electrodes in the second domain, the plurality of first pixel electrodes and plurality of second pixel electrodes sharing the thin film transistor; a plurality of first common electrodes in the first domain and alternately arranged with the plurality of first pixel electrodes; and a plurality of second common electrodes in the second domain and alternately arranged with the plurality of second pixel electrodes. | 11-03-2011 |
20110317092 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes first and second substrate facing each other; a pixel electrode and a common electrode on the first substrate and generating an electric field substantially parallel to the first substrate; a backlight unit disposed under the first substrate and providing a light to the first substrate; and a liquid crystal layer including liquid crystal molecules and disposed between the first and second substrates, wherein the liquid crystal molecules are twisted in a helical structure having an axis perpendicular to the first substrate when the electric field is not generated and untwisted along the electric field with maintaining the axis when the electric field is generated. | 12-29-2011 |
Patent application number | Description | Published |
20090309010 | IMAGE SENSOR WITH DECREASED OPTICAL INTERFERENCE BETWEEN ADJACENT PIXELS - An image sensor with decreased optical interference between adjacent pixels is provided. An image sensor, which is divided into a pixel region and a peripheral region, the image sensor including a photodiode formed in a substrate in the pixel region, first to Mth metal lines formed over the substrate in the pixel region, where M is a natural number greater than approximately 1, first to Nth metal lines formed over a substrate in the peripheral region, where N is a natural number greater than M, at least one layer of dummy metal lines formed over the Mth metal lines but formed not to overlap with the photodiode, and a microlens formed over the one layer of the dummy metal lines to overlap with the photodiode. | 12-17-2009 |
20110198486 | IMAGE SENSOR AND METHOD FOR MANUFACTURING THE SAME - An image sensor includes a color filter, an over-coating layer formed on the color filter, and a medium layer formed on the over-coating layer, wherein the medium layer is configured with at least two medium layers of which refractive indices are different from each other. | 08-18-2011 |
20110198716 | IMAGE SENSOR AND METHOD FOR MANUFACTURING THE SAME - An image sensor includes a color filter, an over-coating layer formed on the color filter, and a medium layer formed on the over-coating layer, wherein the medium layer is configured with at least two medium layers of which refractive indices are different from each other. | 08-18-2011 |
20120007665 | CMOS IMAGE SENSOR - A CMOS image sensor includes a photodiode, a plurality of transistors for transferring charges accumulated at the photodiode to one column line, and a voltage dropping element connected to a gate electrode of at least one transistor among the plurality of transistors for expanding a saturation region of the transistor by dropping down a gate voltage inputted to the gate electrode of the at least one transistor. | 01-12-2012 |
20120223215 | CMOS IMAGE SENSOR WITH WIDE DYNAMIC RANGE - The present invention relates a CMOS (Complementary Metal Oxide Semiconductor) image sensor capable of improving dynamic range by using an additional driver transistor. The CMOS image sensor according to the present invention has a pixel array which has a plurality of unit pixels each of which includes a photodiode and a fist transistor to act as a source follower buffer amplifier to amplify photogenerated charges accumulated in the photodiode. Also, the CMOS image sensor includes a second transistor for a buffer amplifier to amplify and output a gate input voltage in the unit pixel, wherein an output signal of the first transistor is applied to a gate of the second. | 09-06-2012 |
20130119239 | IMAGE SENSOR AND METHOD FOR MANUFACTURING THE SAME - An image sensor includes a color filter, an over-coating layer formed on the color filter, and a medium layer formed on the over-coating layer, wherein the medium layer is configured with at least two medium layers of which refractive indices are different from each other. | 05-16-2013 |
20140217516 | CMOS Image Sensor - A CMOS image sensor includes a photodiode, a plurality of transistors for transferring charges accumulated at the photodiode to one column line, and a voltage dropping element connected to a gate electrode of at least one transistor among the plurality of transistors for expanding a saturation region of the transistor by dropping down a gate voltage inputted to the gate electrode of the at least one transistor. | 08-07-2014 |
Patent application number | Description | Published |
20120325749 | HYDRODYNAMIC FILTER UNIT, HYDRODYNAMIC FILTER INCLUDING THE HYDRODYNAMIC FILTER UNIT, AND METHOD OF FILTERING TARGET MATERIAL BY USING THE HYDRODYNAMIC FILTER UNIT AND THE HYDRODYNAMIC FILTER - A hydrodynamic filter unit includes an inlet channel connected to a fluid chamber, into which a fluid including a target material is introduced, and a plurality of outlet channels connected to the fluid chamber, through which the fluid is discharged. A filtering method includes introducing a fluid including a target material into the hydrodynamic filter unit through the inlet channel, capturing the target material in the hydrodynamic filter unit, and discharging a remaining part of the fluid outside of the hydrodynamic filter unit through an outlet channel. | 12-27-2012 |
20130079248 | FLUID CONTROLLING APPARATUS AND FILTER AND BIOCHIP INCLUDING THE FLUID CONTROLLING APPARATUS - A fluid controlling apparatus including an inlet through which a fluid is introduced, a channel portion connected to the inlet, an outlet that is connected to the channel portion and through which the fluid is discharged, and at least one fluid resisting portion disposed between the inlet and the outlet, as well as a filter and a biochip including the fluid controlling apparatus. | 03-28-2013 |
20130164643 | SILENCER FOR REDUCING ACOUSTIC NOISE OF FUEL CELL SYSTEM - A silencer installed in a fuel cell system includes a plurality of expansion chambers connected to a predetermined apparatus of the fuel cell system, wherein the plurality of expansion chambers serially reduces acoustic noise of air discharged from the predetermined apparatus and a resonator connected to an expansion chamber of the plurality of expansion chambers, wherein the resonator reduces acoustic noise received from the expansion chamber in another frequency band, which is different from a frequency band of the acoustic noise reduced by the plurality of expansion chambers, where one of the plurality of expansion chambers comprises an inlet pipe which receives air from the predetermined apparatus, another of the plurality of expansion chambers comprises an outlet pipe which discharges air flowed into the plurality of expansion chambers, and an intermediate pipe is disposed between the plurality of expansion chambers. | 06-27-2013 |
20130175114 | HYBRID SILENCER WITH GAS-LIQUID SEPARATING FUNCTION IN FUEL CELL SYSTEM - A hybrid silencer in a fuel cell system includes an expansion chamber connected to a predetermined apparatus of the fuel cell system, where the expansion chamber reduces acoustic noise of a fluid discharged from the predetermined apparatus, a water-absorber disposed inside the expansion chamber, where the water-absorber absorbs a liquid component of a fluid which flows into the expansion chamber; and a perforated silencer which discharges the fluid from which the liquid component is removed by the water-absorber while reducing acoustic noise of the fluid discharged therefrom. | 07-11-2013 |