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Dae Ho
Dae Ho Cho, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20100156924 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device capable of improving reliability of a backlight unit is disclosed. | 06-24-2010 |
Dae Ho Jang, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20110081644 | CELL LINE STABLY EXPRESSING MUTATED ONCOPROTEIN E6 AND METHOD OF SCREENING ANTICANCER COMPOUND OF UTERINE CERVICAL CANCER USING THE SAME - Disclosed are a cell line that expresses protein of Seq. No. 1, and a method for screening an anticancer compound of uterine cervical cancer by using the same. The stable cell line that expresses oncoprotein E6 of a human papillomavirus type 16 variant strain is used to determine a difference in amounts of expression of tumor suppressor genes, such as p53, between E6 protein of the reference strain and E6 protein of a variant strain, thereby screening an anticancer compound of uterine cervical cancer, etc. Further, it is possible to develop an anticancer agent of uterine cervical cancer. | 04-07-2011 |
Dae Ho Kang, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20100051867 | NOVEL LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION COMPRISING THE SAME, AND OPTICAL FILM USING THE SAME LIQUID CRYSTAL COMPOSITION - Disclosed is a novel liquid crystal compound, a liquid crystal composition comprising the same, and an optical film using the same liquid crystal composition. More particularly, there is provided a liquid crystal material of a viewing angle compensation film with high quality characteristics, which can improve a contrast ratio and minimize variations in color with viewing angles in a black state, a liquid crystal composition comprising the same liquid crystal material, and a compensation film obtained from the same liquid crystal composition. | 03-04-2010 |
| 20100059712 | FLUORENE DERIVATIVE, LIQUID CRYSTAL COMPOSITION COMPRISING THE SAME, AND OPTICAL FILM USING THE SAME LIQUID CRYSTAL COMPOSITION - Disclosed are a novel fluorene derivative, a liquid crystal composition comprising the same, and an optical film using the same liquid crystal composition. More particularly, there are provided a liquid crystal material for a viewing angle compensation film with high quality characteristics, which can improve a contrast ratio measured at an oblique angle to the front and minimize variations in color with viewing angles in a black state, a liquid crystal composition comprising the same liquid crystal material, and a compensation film obtained from the same liquid crystal composition. | 03-11-2010 |
| 20100078594 | BIAXIAL LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION COMPRISING THE SAME, AND OPTICAL FILM USING THE SAME LIQUID CRYSTAL COMPOSITION - Disclosed are a biaxial liquid crystal compound, a liquid crystal composition comprising the same, and an optical film using the same liquid crystal composition. More particularly, there is provided a liquid crystal material of a viewing angle compensation film with high quality characteristics, which can improve a contrast ratio and minimize variations in color with viewing angles in a black state, a liquid crystal composition comprising the same liquid crystal material, and a compensation film obtained from the same liquid crystal composition. | 04-01-2010 |
| 20100084608 | DISCOTIC LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION COMPRISING THE SAME AND OPTICAL FILM USING THE SAME LIQUID CRYSTAL COMPOSITION - Disclosed is a discotic liquid crystal compound, a liquid crystal composition comprising the same, and an optical film using the same liquid crystal composition. More particularly, there is provided a liquid crystal material of a viewing angle compensation film with high quality characteristics, which can improve a contrast ratio and minimize variations in color with viewing angles in a black state, a liquid crystal composition comprising the same liquid crystal material, and a compensation film obtained from the same liquid crystal composition. | 04-08-2010 |
| 20100096590 | NOVEL LIQUID CRYSTAL COMPOUND CONTAINING SULFONE GROUP, LIQUID CRYSTAL COMPOSITION COMPRISING THE SAME, AND OPTICAL FILM USING THE SAME LIQUID CRYSTAL COMPOSITION - Disclosed are a novel liquid crystal compound containing a sulfone group, a liquid crystal composition comprising the same, and an optical film using the same liquid crystal composition. More particularly, there are provided a liquid crystal material for a viewing angle compensation film with high quality characteristics, which can improve a contrast ratio measured at a tilt angle to the front and minimize variations in color with viewing angles in a black state, a liquid crystal composition comprising the same liquid crystal material, and a compensation film obtained from the same liquid crystal composition. | 04-22-2010 |
| 20100155664 | LIQUID CRYSTAL COMPOSITION COMPRISING NOVEL SILICON CONTAINING COMPOUNDS AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - Disclosed are a silicon-containing compound, a liquid crystal composition comprising the same compound, and a liquid crystal display device comprising a liquid crystal layer prepared from the liquid crystal composition. The silicon-containing compound, which forms the liquid crystal composition, has low viscosity and high positive dielectric anisotropy. Therefore, it is possible to provide a liquid crystal display device, which has a fast response time and can be driven at a low voltage. | 06-24-2010 |
Dae Ho Kim, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090031329 | AUXILIARY OUTPUT DEVICE, PORTABLE COMPUTER HAVING THE SAME, AND METHOD FOR SWITCHING OPERATING SYSTEMS OF THE SAME - A method for switching from an OS of a portable computer to another OS of an auxiliary output device, and the portable computer containing the auxiliary output device, are discussed. According to an embodiment, the auxiliary input/output device includes a control unit configured to control a data storage unit of the portable computer once an OS switching signal is generated in a main device of the portable computer; and an interface unit configured to enable communication between the main device and the auxiliary input/output device, wherein in response to the OS switching signal, the control unit is configured to execute a task that a main controller of the main device has been executing. | 01-29-2009 |
Dae Ho Kim, Euiwang-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100189455 | IMAGE FORMING APPARATUS AND CONTROL METHOD THEREOF - An image forming apparatus and a control method thereof provides that when circulation of developer in a housing of a developing unit is deteriorated due to concentration of the developer, thus applying increased load to an agitator, the agitator is appropriately rotated forwardly and backwardly under the control of a controller. This may prevent overloading of the agitator and release the concentrated developer. | 07-29-2010 |
Dae Ho Shin, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20100048840 | TRANSITION METAL CATALYTIC SYSTEMS AND METHODS FOR PREPARING ETHYLENE HOMOPOLYMERS OR COPOLYMERS OF ETHYLENE AND OLEFINS USING THE SAME - Disclosed herein is a group IV transition metal catalyst for producing an ethylene homopolymer or an ethylene-olefin copolymers, having high catalytic activity, which includes a cyclopentadiene derivative and one or more anionic ligands having an aryl group substituted with an aryl derivative at an ortho-position thereof around a transition metal, the ligands not being crosslinked to each other, a catalyst system including the group IV transition metal catalyst and an aluminoxane cocatalyst or a boron compound cocatalyst, and a method of producing ethylene homopolymers or ethylene-olefin copolymers using the catalyst system. | 02-25-2010 |
| 20100234545 | ETHYLENE COPOLYMER HAVING MULTIPLE PITCH MOLECULAR WEIGHT DISTRIBUTION AND THE METHOD OF PREPARING THE SAME - Disclosed are an ethylene polymerization process, a catalyst for use in the process, a production method employing the catalyst, and a product produced thereby. More specifically, disclosed is a process of producing an ethylene copolymer from ethylene and an alpha-olefin comonomer, in which the produced ethylene copolymer has a multimodal molecular weight distribution and excellent processability and physical properties, and thus can increase the value and productivity of products, including pipes and films. Particularly, the produced ethylene copolymer has a trimodal or higher molecular weight distribution or density distribution, and thus, when it is a linear low-density copolymer, it has an excellent effect of improving the impact strength of films, and when it is a medium-density ethylene copolymer, it can be produced into pipes, which have slow crack growth rate and can be used even at high temperature. | 09-16-2010 |
Dae-Ho Cho, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20110141077 | DRIVING METHOD FOR LOCAL DIMMING OF LIQUID CRYSTAL DISPLAY DEVICE AND APPARATUS USING THE SAME - A driving method for local dimming of a Liquid Crystal Display (LCD) device and an apparatus using the same are disclosed. The driving method includes measuring light intensities at a plurality of sampling points by driving a light source of a backlight unit and storing the light intensity measurements as light intensity data of the sampling points in a memory, determining a local dimming value of each block by analyzing input image data on a block basis, detecting a pixel position of current input data, selecting a plurality of sampling points adjacent to the current pixel and the light intensity data of the sampling points from the memory, detecting light intensity data of the current pixel by linearly interpolating the light intensity data of the sampling points individually, calculating a gain value by a light intensity analysis based on the light intensity data of the current pixel and the local dimming value of each block, compensating the current input data using the gain value, and controlling luminance of the backlight unit on a block basis using the local dimming value of each block. | 06-16-2011 |
Dae-Ho Jeong, Geumcheon-Gu KR
| Patent application number | Description | Published |
|---|---|---|
| 20090159993 | SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME - A semiconductor device and/or a method for manufacturing a semiconductor device. A method may include at least one of the following: Forming a first oxide layer on a silicon substrate. Depositing a polysilicon layer on the first oxide layer. Forming a pattern on the polysilicon layer and the first oxide layer to expose a portion of the silicon substrate forming a polysilicon layer pattern and a first oxide layer pattern. Forming a second oxide layer on the entire surface of the silicon substrate. Forming a pattern on the second oxide layer to expose a portion of the silicon substrate. Growing a silicon on the exposed silicon substrate to form a silicon epitaxial layer. Removing the second oxide layer formed on the polysilicon layer pattern. | 06-25-2009 |
Dae-Ho Kang, Seo-Gu KR
| Patent application number | Description | Published |
|---|---|---|
| 20100059710 | Novel pyran derivative, its preparation method, liquid crystal composition and liquid crystal display device comprising the same - The present invention relates to a pyran derivative which manifests appropriate refractive anisotropy (optical anisotropy) and liquid crystal transition temperature and excellent dielectric anisotropy, and has excellent compatibility with various liquid crystal compounds, and thus, can be preferably used for the formation of a liquid crystal layer of a liquid crystal display device, its preparation method, a liquid crystal composition and liquid crystal display device comprising the same. | 03-11-2010 |
Dae-Ho Kim, Daejeon-City KR
| Patent application number | Description | Published |
|---|---|---|
| 20080287078 | Terminal and Method for Controlling Transmission Power - A terminal of a communication system includes a power amplifier, an open-loop power controller, a gain controller, a modulator, and a digital/analog converter. The power amplifier amplifies transmission power of a transmission signal. The open-loop power controller measures a received signal strength to control the transmission power, and increases a gain of the power amplifier according to the received signal strength. The gain controller sets a power concentration gain and applies the power concentration gain to the transmission signal when the gain of the power amplifier is maximized. The modulator modulates the transmission signal. The digital/analog converter converts an input signal to an analog signal. The gain controller applies the power concentration gain to the trans mission signal modulated by the modulator, and transmits the power concentration gain to the digital/analog converter. | 11-20-2008 |
Dae-Ho Kim, Gyonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20100019809 | Switch Controller, Switch Control Method, And Converter Using The Same - Disclosed are a switch controller, a switch control method, and a converter based thereon. The switch controller generates an input sensing voltage corresponding to the input voltage of the converter, and compares the input sensing voltage with a predetermined first reference value. The switch controller generates a zero cross detection signal with a first level or a second level depending upon the comparison result, and generates a reference clock signal varying in frequency in accordance with one cycle of the zero cross detection signal. The switch controller generates digital signals by using the reference clock signal and the zero cross detection signal. The digital signals synchronize with the zero cross detection signal, and increase in accordance with the reference clock signal during a half of one cycle of the zero cross detection signal, while decreasing in accordance with the reference clock signal during the other half cycle of the zero cross detection signal. The switch controller generates a reference signal with a voltage level corresponding to the digital signal. | 01-28-2010 |
Dae-Ho Kim, Daejeon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100130211 | HANDOVER DETERMINATION APPARATUS AND METHOD IN OVERLAY WIRELESS NETWORK ENVIRONMENT - A handover determination apparatus and method in an overlay wireless network environment is provided. A handover situation is detected with consideration of a user environment including user requirements and service efficiency, as well as received signal strength of a wireless network, and an unnecessary handover due to a temporary condition change is prevented by use of a dwell timer. Accordingly, a seamless optimized wireless network service can be provided to a user regardless of a location of the user. | 05-27-2010 |
Dae-Ho Lee, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20110014402 | Styrene-Butadiene Latex Binder For Ink-Jet Paper, Preparation Method Thereof And Coating Liquid Containing The Same - The present invention relates to a styrene-butadiene latex, a preparation method thereof and a coating liquid containing the same, more precisely a styrene-butadiene latex binder for ink-jet paper containing ethylenically unsaturated monomer by 0.1-1.5 weight parts with lowering surface negative charge density, a preparation method thereof and a coating liquid containing the same. The present invention provides a coating liquid for ink-jet paper having excellent price competitiveness and coating work-ability and at the same time reducing energy cost for drying process and thereby provides an ink-jet paper with excellent printing quality. | 01-20-2011 |
Dae-Ho Lim, Cheongju-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110069232 | DEVICE AND METHOD FOR DRIVING DISPLAY PANEL - An apparatus for driving a display panel includes: a time variant signal (TVS) generator configured to generate a time variant signal group; a common pulse signal generator configured to generate a plurality of pulse signals; a selector configured to receive the time variant signal, the plurality of the pulse signals, and video data and select a grayscale voltage corresponding to the video data; and a buffer configured to buffer and transfer an output of the selector. Herein, the selector and the buffer are provided to each of a plurality of channels, and the time variant signal and the plurality of the pulse signals are inputted in common to the selector of each channel. | 03-24-2011 |
Dae-Ho Lim, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090185339 | Flat panel display apparatus - A flat panel display apparatus includes a flat display panel including first and second substrates facing each other with a display unit therebetween, the first substrate extending beyond the second substrate, a portion of the first substrate extending beyond the second substrate defining a protruding portion, an outermost edge of the protruding portion defining a protruding edge of the first substrate, and corners of the protruding portion being chamfered, and a bezel surrounding the flat display panel. | 07-23-2009 |
Dae-Ho Seo, Gwangju KR
| Patent application number | Description | Published |
|---|---|---|
| 20110030764 | PHOTOVOLTAIC CELL ASSEMBLY - Provided is a photovoltaic cell assembly that effectively collects light and dissipates heat to improve electricity generating efficiency. The photovoltaic cell assembly includes a light collecting unit configured to collect sunlight incident from a Fresnel lens, a cell receiver configured to convert the sunlight collected by the light collecting unit to an electrical signal, a heat dissipation plate configured to support the light collecting unit and the cell receiver and fixed to an inner surface of a housing, and a heat dissipation block disposed on an outer surface of the housing and coupled to the heat dissipation plate with the housing interposed between the heat dissipation plate and the heat dissipation block. | 02-10-2011 |
Dae-Ho Yoon, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090189122 | METHOD FOR PREPARING OXIDE NANO PHOSPHORS - Disclosed is a method for preparing an oxide nano phosphor. A metal precursor solution is prepared. The metal precursor solution is impregnated into a porous polymer material. A heat treatment is performed on the porous polymer material having the metal precursor solution impregnated therein. The heat treatment is performed by heating the porous polymer material having the metal precursor impregnated therein up to a temperature of higher than 500° C. solution at a temperature elevating rate of higher than 100° C. per minute. | 07-30-2009 |
| 20090191695 | Method of manufacturing nitride semiconductor substrate - A method of manufacturing a nitride semiconductor substrate according to example embodiments may include forming a buffer layer on a (100) plane of a silicon (Si) substrate. The buffer layer may have a hexagonal crystal system and a (1010) plane. A nitride semiconductor layer may be epitaxially grown on the buffer layer. The nitride semiconductor layer may have a (1010) plane. Accordingly, because example embodiments enable the use of a relatively inexpensive Si substrate, a more economical nitride semiconductor substrate having a relatively large diameter may be achieved. | 07-30-2009 |
| 20090200913 | ELECTRODE, METHOD OF PREPARING THE SAME, AND ELECTRONIC DEVICE INCLUDING THE ELECTRODE - An electrode including metal oxides and a plurality of 12CaO.7Al | 08-13-2009 |