Chen, KR

Guohai Chen, Seoul KR

Patent application number	Description	Published
20100181896	SURFACE FIELD ELECTRON EMITTERS USING CARBON NANOTUBE YARN AND METHOD OF FABRICATING CARBON NANOTUBE YARN THEREOF - Surface field electron emitters using a carbon nanotube yarn and a method of fabricating the same are disclosed. To fabricate the carbon nanotube yarn for use in fabrication of simple and efficient carbon nanotube field electron emitters, the method performs densification of the carbon nanotube yarn during rotation of a plying unit and heat treatment of the carbon nanotube yarn that has passed through the plying unit without using organic or inorganic binders or polymer pastes. The method fabricates the carbon nanotube yarn with excellent homogeneity and reproducibility through a simple process. The carbon nanotube yarn-based surface field electron emitters can be applied to various light emitting devices.	07-22-2010

Han Feng Chen, Suwon-Si KR

Patent application number	Description	Published
20080252666	DISPLAY APPARATUS AND METHOD FOR ADJUSTING BRIGHTNESS THEREOF - A display apparatus and a method for adjusting brightness thereof are provided. The display apparatus includes a panel unit which displays a video signal, a light emitting unit which provides the panel unit with a ray of light and causes the video signal to be visualized, a light emission control unit which controls the light emitting unit so that the ray of light is provided to each of local areas of the panel unit, and a panel control unit which compensates pixels of the video signal in each of local areas, to remove an artifact which is generated due to the ray of light provided to local areas of the panel unit. Because brightness of a screen is adjusted in each of local areas, contrast ratio is enhanced, and improved image quality is provided.	10-16-2008
20090002400	DISPLAY APPARATUS AND BRIGHTNESS ADJUSTING METHOD THEREOF - A display apparatus and a brightness adjusting method thereof are provided. The display apparatus includes a panel unit which displays an image signal, a backlight unit which provides a light to the panel unit to visualize the image signal, a luminance value regulator which calculates representative values to be applied for adjusting a brightness of a plurality of partial areas of the backlight unit corresponding to the input image signal, a contrast enhancer which compensates for a brightness of the image signal compromised by the representative value through a contrast enhancement, and a pixel value compensator which compensates for pixel values of the image signal compensated using the contrast enhancement. Accordingly, the contrast ratio of the entire image can be enhanced by compensating for the brightness loss of the image signal caused from the brightness adjustment of the luminous element, and the image quality can be more finely improved.	01-01-2009
20090268977	METHOD FOR IMPROVING IMAGE QUALITY AND DISPLAY APPARATUS - A method of improving image quality and the display apparatus thereof are provided. The method includes generating a plurality of sub-frame images using a frame image depending on whether the frame image is a moving image or a still image and displaying the plurality of sub-frame images sequentially for a frame time interval of the frame image. By generating the plurality of sub-frame image which have different pixel values each other and displaying the plurality of sub-frame image sequentially, the sticking phenomenon may be prevented and a life time of the display apparatus may be extended.	10-29-2009
20090278775	DISPLAY APPARATUS AND CONTROL METHOD OF THE SAME - A display apparatus includes: a display unit which displays an image; and a signal controller which generates a first sub-frame having a mean brightness by calculating the mean brightness of an original frame input from an outside, generates at least one second sub-frame for compensating the first sub-frame on the basis of the first sub-frame and the original frame, and outputs the first sub-frame and the second sub-frame to be displayed on the display unit in sequence.	11-12-2009
20090303391	DISPLAY APPARATUS AND CONTROL METHOD OF THE SAME - A display apparatus includes: a display unit which displays an image; and a signal controller which determines a motion state of a current frame on the basis of a previous frame and the current frame input in sequence, generates a first sub-frame of which brightness is varied according to the motion state of the current frame, generates at least one second sub-frame to compensate the brightness of the first sub-frame on the basis of the first sub-frame and the current frame, and controls the first sub-frame and the second sub-frame to be displayed on the display unit in sequence.	12-10-2009
20110090308	DISPLAY APPARATUS AND IMAGE PROCESSING METHOD THEREOF - A display apparatus and an image processing method thereof are disclosed. A display apparatus includes a display unit; a signal processor which classifies an image comprising a left eye image and a right image into one of a first image and a second image according to a predetermined brightness level, generates at least two sub frames including a white frame if the image is classified into a first image, generates at least two sub frames comprising a black frame if the image is classified into a second image, and outputs the generated sub frames to the display unit. A signal transmitter outputs, to external shutter glasses, a control signal corresponding to the left eye image and the right eye image.	04-21-2011
20110115696	BACKLIGHT UNIT AND DISPLAY APPARATUS HAVING THE SAME - Disclosed are a backlight unit and a display apparatus. The display apparatus including: an image receiver receiving an image signal; an image processor processing an image signal received by the image receiver; a display panel displaying an image signal processed by the image processor into an image; a plurality of light guide plates disposed corresponding to divided display regions of the display panel respectively and providing light to the display regions respectively; and a light source module selectively disposed between adjacent light guide plates and radiating light to a lateral side of the light guide plates, if the light source module is not disposed between a first light guide plate and a second light guide plate which are adjacent each other among the plurality of light guide plates, light being radiated to the first light guide plate and the second light guide plate in opposite directions.	05-19-2011
20150262534	DISPLAY APPARATUS AND BRIGHTNESS ADJUSTING METHOD THEREOF - A display apparatus and a brightness adjusting method thereof are provided. The display apparatus includes a panel unit which displays an image signal, a backlight unit which provides a light to the panel unit to visualize the image signal, a luminance value regulator which calculates representative values to be applied for adjusting a brightness of a plurality of partial areas of the backlight unit corresponding to the input image signal, a contrast enhancer which compensates for a brightness of the image signal compromised by the representative value through a contrast enhancement, and a pixel value compensator which compensates for pixel values of the image signal compensated using the contrast enhancement. Accordingly, the contrast ratio of the entire image can be enhanced by compensating for the brightness loss of the image signal caused from the brightness adjustment of the luminous element, and the image quality can be more finely improved.	09-17-2015

Janie Chen, Suwon-Si KR

Patent application number	Description	Published
20130279574	METHODS AND APPARATUSES FOR ENCODING AND DECODING IMAGE BASED ON SEGMENTS - Encoding and decoding an image may be performed by setting a plurality of segments of a second color component block based on pixel values of a first color component block. The plurality of segments may be predicted by using different context pixels, and the second color component block may be encoded and decoded based on the predicted plurality of segments.	10-24-2013

Jian-Min Chen, Kyungki-Do KR

Patent application number	Description	Published
20100296043	LIQUID CRYSTAL DISPLAYS - A liquid crystal display comprises two parallel spaced substrates and a liquid crystal layer with negative dielectric anisotropy interposed between the substrates. The ratio d/p, the cell gap d between the substrates to the pitch p of the liquid crystal layer, is equal to or less than 0.3, and the retardation value Δn*d may be in the range of 0.25-0.4. In absence of electric field, the liquid crystal molecules are arranged vertically to the substrates, and when the sufficient electric field is applied, the liquid crystal molecules are parallel to the substrates and twisted by 90° from one substrate to the other.	11-25-2010
20120069287	LIQUID CRYSTAL DISPLAY - A liquid crystal display comprises two parallel spaced substrates and a liquid crystal layer with negative dielectric anisotropy interposed between the substrates. The ratio d/p, the cell gap d between the substrates to the pitch p of the liquid crystal layer, is equal to or less than 0.3, and the retardation value Δn*d may be in the range of 0.25-0.4. In absence of electric field, the liquid crystal molecules are arranged vertically to the substrates, and when the sufficient electric field is applied, the liquid crystal molecules are parallel to the substrates and twisted by 90° from one substrate to the other.	03-22-2012
20140375942	LIQUID CRYSTAL DISPLAYS - A liquid crystal display comprises two parallel spaced substrates and a liquid crystal layer with negative dielectric anisotropy interposed between the substrates. The ratio d/p, the cell gap d between the substrates to the pitch p of the liquid crystal layer, is equal to or less than 0.3, and the retardation value Δn*d may be in the range of 0.25-0.4. In absence of electric field, the liquid crystal molecules are arranged vertically to the substrates, and when the sufficient electric field is applied, the liquid crystal molecules are parallel to the substrates and twisted by 90° from one substrate to the other.	12-25-2014

Jian-Min Chen, Suwon-City KR

Patent application number	Description	Published
20140293200	LIQUID CRYSTAL DISPLAY HAVING WIDE VIEWING ANGLE - Apertures are formed in the common electrode or in the pixel electrode of a liquid crystal display to form a fringe field. Storage capacitor electrodes are formed at the position corresponding to the apertures to prevent the light leakage due to the disclination caused by the fringe field. The apertures extend horizontally, vertically or obliquely. The apertures in adjacent pixel regions may have different directions to widen the viewing angle.	10-02-2014

Ming-Xiao Chen, Seoul KR

Patent application number	Description	Published
20110096847	APPARATUS AND METHOD FOR PARSING BITSTREAM - Disclosed is an apparatus and method for parsing a bitstream. The apparatus may include an input port analyzer to analyze an input port indicating a source of data in a description, a data receiver to receive the data via the analyzed input port, and a parsing controller to control a parsing process based on the data received via the input port.	04-28-2011

Qiao Song Chen, Incheon-Si KR

Patent application number	Description	Published
20090009539	Color gamut mapping and liquid crystal display device using the same - A color gamut mapping method, which is capable of minimizing a color difference perceived by a person, preventing brightness and contrast from deteriorating, and improving color reproducibility, and a liquid crystal display device using the same are disclosed. The color gamut mapping method includes converting image data having an original gamut into lightness, chroma and hue data, adjusting a primary hue angle of the original gamut according to a reproduction gamut and adjusting the hue data according to the adjustment amount of the primary hue angle, changing the lightness of an original gamut boundary in consideration of a reproduction gamut boundary and changing the brightness data by the change amount of the lightness of the original gamut boundary, deciding a focal point, which is a reference point of color gamut mapping, according to the size, the shape and the position of the original/reproduction gamut in lightness and chroma coordinates, deciding a mapping slope according to the decided focal point FP and a mapping area in which the lightness and chroma data are located and mapping the original gamut to the reproduction gamut according to the decided mapping slope, and converting the lightness, chroma and hue data mapped to the reproduction gamut into image data.	01-08-2009

Seung-Bae Chen, Changwon-Si KR

Patent application number	Description	Published
20100201126	TURBO GENERATOR AND FUEL CELL SYSTEM HAVING THE SAME - Provided are a turbo generator and a fuel cell system having the same. The turbo generator includes a housing; an air inlet formed on the same axis as the axis of the housing on a first side of the housing; a rotor, a stator winding unit, impeller, and a turbine wheel mounted in the housing; and a tie-shaft installed to pass through the impeller and the turbine wheel and rotatably and integrally support the rotor.	08-12-2010

Sung Duck Chen, Anyang-Si KR

Patent application number	Description	Published
20110188396	APPARATUS AND METHOD OF REPORTING MEASUREMENT RESULT IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus of reporting measurement results in a wireless communication system is provided. A user equipment receives a measurement con figuration which configures a plurality of serving cells as measurement objects and performs measurements for the plurality of serving cells based on the measurement configuration to determine measurement results for the plurality of serving cells. The user equipment reports the measurement results for the plurality of serving cells.	08-04-2011

Weiwei Chen, Yongin-Si KR

Patent application number	Description	Published
20090146183	Method of forming a germanium silicide layer, semiconductor device including the germanium silicide layer, and method of manufacturing the semiconductor device - Example embodiments relate to a method of forming a germanium (Ge) silicide layer, a semiconductor device including the Ge silicide layer, and a method of manufacturing the semiconductor device. A method of forming a Ge silicide layer according to example embodiments may include forming a metal layer including vanadium (V) on a silicon germanium (SiGe) layer. The metal layer may have a multiple-layer structure and may further include at least one of platinum (Pt) and nickel (Ni). The metal layer may be annealed to form the germanium silicide layer. The annealing may be performed using a laser spike annealing (LSA) method.	06-11-2009
20110049587	Method of forming a germanium silicide layer, semiconductor device including the germanium silicide layer, and method of manufacturing the semiconductor device - Example embodiments relate to a method of forming a germanium (Ge) silicide layer, a semiconductor device including the Ge silicide layer, and a method of manufacturing the semiconductor device. A method of forming a Ge silicide layer according to example embodiments may include forming a metal layer including vanadium (V) on a silicon germanium (SiGe) layer. The metal layer may have a multiple-layer structure and may further include at least one of platinum (Pt) and nickel (Ni). The metal layer may be annealed to form the germanium silicide layer. The annealing may be performed using a laser spike annealing (LSA) method.	03-03-2011

Xiaochun Chen, Nanjing City KR

Patent application number	Description	Published
20150093796	CLOSTRIDIUM ACETOBUTYLICUM AND APPLICATION THEREOF - The present invention provides	04-02-2015

Xinglong Chen, Seongnam-Si KR

Patent application number	Description	Published
20160111298	ETCHING METHOD USING PLASMA, AND METHOD OF FABRICATING SEMICONDUCTOR DEVICE INCLUDING THE ETCHING METHOD - An etching method using plasma includes generating plasma by supplying process gases to at least one remote plasma source (RPS) and applying power to the at least one RPS, and etching an etching object by supplying water (H	04-21-2016

Yang Ho Chen, Gyeonggi-Do KR

Patent application number	Description	Published
20100010281	Method and System for Separation and Purification of High-Purity 2,6-Dimethylnaphthalene by Continuous Crystallization - Provided is a method for the separation and purification of high-purity 2,6-dimethylnaphthalene from a reaction mixture of dimethylnaphthalenes by continuous crystallization. According to the method, shell-tubetype crystallization apparatuses are used to perform crystallization operations under a continuous flow of a reaction mixture of dimethylnaphthalenes, which is obtained from the synthesis of dimethylnaphthalenes using o-xylene and butadiene as starting materials. As a result, high-purity 2,6-dimethylnaphthalene is separated and purified in a high yield from the reaction mixture. In addition, the method is advantageous in terms of energy saving when compared to conventional separation methods and enables continuous separation and purification of 2,6-dimethylnaphthalene on an industrial scale. A system for implementing the method is further provided.	01-14-2010

Yang Ho Chen, Bucheon-Si KR

Patent application number	Description	Published
20100036155	METHOD AND APPARATUS FOR THE PURIFICATION OF HIGH-PURITY 2,6-NAPHTHALENE DICARBOXYLIC ACID - Disclosed is a method for purifying 2,6-naphthalenedicarboxylic acid (NDA) that is present in a solid state in a solution. According to the method, sintered metal membrane filtration units are used to efficiently separate and purify 2,6-naphthalenedicarboxylic acid separated after hydrogenation and crystallization in a continuous process. An apparatus for implementing the method is further provided.	02-11-2010