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Junghwan

Junghwan Cho, Yeonje-Gu KR

Patent application numberDescriptionPublished
20100047539POSITIVE PHOTOSENSITIVE RESIN COMPOSITION, METHOD OF FORMING PATTERN AND SEMICONDUCTOR DEVICE - Disclosed are a positive photosensitive resin composition, a method of forming a pattern using the same, and a semiconductor device having a photoresist pattern obtained by the method. The composition for positive photosensitive resin comprises a polyamide derivative, a photosensitive compound, and at least one additive having a low molecular weight.02-25-2010

Junghwan Hwang, Seoul KR

Patent application numberDescriptionPublished
20120002024IMAGE DISPLAY APPARATUS AND METHOD FOR OPERATING THE SAME - An image display apparatus and a method for operating the same are disclosed. The method for operating an image display apparatus includes receiving a 3-dimensional (3D) image, detecting the depth of the 3D image, performing 3D processing on an audio signal received in synchronization with the 3D image in correspondence with the detected depth, and outputting the audio signal subjected to 3D processing. Thus, it is possible to output the audio signal in correspondence with the depth of the 3D image during 3D image display.01-05-2012

Junghwan Kim, Seoul KR

Patent application numberDescriptionPublished
20080198101PLASMA DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - A plasma display apparatus and a method of driving the same are disclosed. In the method, the number of sustain signals assigned to at least one of a plurality of subfields of a frame is different from the number of sustain signals assigned to the other subfields depending on an average power level (APL) of the frame. The number of sustain signals assigned depending on the APL is additionally adjusted in relation to a maximum gray level of the frame.08-21-2008

Junghwan Kim, Yongin-City KR

Patent application numberDescriptionPublished
20120105417LIQUID CRYSTAL DISPLAY - A liquid crystal display having reduced power consumption. The liquid crystal display includes a liquid crystal display panel having a plurality of pixels and a plurality of pixel memories. A pixel voltage is stored in a pixel memory in an on screen display (OSD) region of the liquid crystal display panel for displaying a still image for a long period of time and driving a liquid crystal cell by the stored pixel voltage. Also, the power consumption of the liquid crystal display can be reduced by using a NAND gate or a NOR gate as a circuit element for alternating a voltage between low level and high level so as to store a pixel voltage in a pixel memory of the liquid crystal display.05-03-2012

Junghwan Kim, Yongin-Si KR

Patent application numberDescriptionPublished
20090002304LIQUID CRYSTAL DISPLAY - A liquid crystal display including a data driver, a gate driver and a liquid crystal display panel having a plurality of pixels and a plurality of pixel memories. According to embodiments of the present invention, the pixels and the pixel memories are configured to reduce power consumption of pixels displaying still images and improve image quality of the liquid crystal display.01-01-2009
20090002351LIQUID CRYSTAL DISPLAY - A liquid crystal display having reduced power consumption. The liquid crystal display includes a liquid crystal display panel having a plurality of pixels and a plurality of pixel memories. A pixel voltage is stored in a pixel memory in an on screen display (OSD) region of the liquid crystal display panel for displaying a still image for a long period of time and driving a liquid crystal cell by the stored pixel voltage. Also, the power consumption of the liquid crystal display can be reduced by using a NAND gate or a NOR gate as a circuit element for alternating a voltage between low level and high level so as to store a pixel voltage in a pixel memory of the liquid crystal display.01-01-2009

Junghwan Kim, Gwangju KR

Patent application numberDescriptionPublished
20120097230PARALLEL-TYPE TANDEM ORGANIC SOLAR CELL - Provided is a parallel-type tandem organic solar cell. The parallel-type tandem organic solar cell includes: a first electrode; a first photoactive layer formed on the first electrode; a conductive polymer electrode formed on the first photoactive layer; a second photoactive layer formed on the conductive polymer electrode; a second electrode formed on the second photoactive layer; and a connection unit oriented in the direction ranging from the second electrode toward the first electrode so as to electrically connect the first electrode and the second electrode. According to the present invention, the energy conversion efficiency of the cell is improved by the increased photocurrent. Further, the solar cell of the present invention is advantageous in that an intermediate electrode can be made from solution-processable conductive polymers, and each element of the solar cell has a parallel structure, thereby simplifying manufacturing processes and reducing manufacturing costs.04-26-2012

Junghwan Lee, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20110122168LIQUID CRYSTAL DISPLAY AND METHOD OF DRIVING THE SAME - Disclosed are a liquid crystal display and a method of the liquid crystal display. The liquid crystal display includes a liquid crystal panel, a backlight unit that supplies light to the liquid crystal panel and has a plurality of light sources, and an image calibration unit that calculates a global dimming resultant value and a local dimming resultant value for an image data signal inputted to the liquid crystal panel, analyzes an average picture level for each block with respect to the image data signal, and determines a convex combination parameter based on the global dimming resultant value, the local dimming resultant value, and the average picture level to generate a calibration dimming value for the backlight unit and an image calibration value for the image data signal.05-26-2011

Junghwan Lee, Suwon-Si KR

Patent application numberDescriptionPublished
20110151293Secondary battery - A secondary battery includes a can having an opening at a side thereof, an electrode assembly inside the can, the electrode assembly including a first electrode, a second electrode, and a separator disposed between the first electrode and the second electrode, a one-unit cap covering the opening of the can, the one-unit cap including a current interrupt unit, a cap-up on the current interrupt unit, a positive temperature coefficient (PTC) device between the current interrupt unit and the cap-up, and an adhesive unit attaching the current interrupt unit to the cap-up to integrate the current interrupt unit, the PTC device, and the cap-up with each other, and an insulating gasket sealing a space between the can and the one-unit cap to seal the can.06-23-2011

Junghwan Park, Seoul KR

Patent application numberDescriptionPublished
20090065566APPARATUS AND METHOD FOR PROVIDING CONTENTS BY USING MACHINE-READABLE CODE - According to the present invention, an apparatus and method for proving a user with a content by using a machine-readable code is provided. In one aspect of the present invention, provided is a method for implementation on a terminal for providing a user with at least one content by using a machine-readable code, the method comprising the steps of: receiving a machine-readable code; extracting a code value of the received machine-readable code; transferring the extracted code value to a first external computational device; receiving from the first external computational device at least one category associated with the extracted code value; transmitting the at least one category to a second external computational device; and receiving from the second external computational device at least one content belonging to the at least one category.03-12-2009
20090065567APPARATUS AND METHOD FOR PROVIDING CONTENTS BY USING MACHINE-READABLE CODE - According to the present invention, an apparatus and method for proving a user with a content by using a machine-readable code is provided. In an aspect of the present invention, provided is a method for implementation on a terminal for providing a user with at least one content by using a machine-readable code, the method comprising the steps of: receiving a machine-readable code; extracting a code value of the received machine-readable code; transferring the extracted code value to a first external computational device; receiving from the first external computational device at least one of a plurality of content IDs associated with the extracted code value; transmitting the at least one content ID to a second external computational device; and receiving from the second external computational device at least one content corresponding to the at least one content ID.03-12-2009
20120018717ORGANIC ELECTRONIC DEVICE, COMPOUNDS FOR SAME, AND TERMINAL - Disclosed are an organic electronic device and a compound thereof, and a terminal.01-26-2012
20120080670COMPOUND CONTAINING A 5-MEMBERED HETEROCYCLE AND ORGANIC LIGHT-EMITTING DIODE USING SAME, AND TERMINAL FOR SAME - Disclosed are a novel-structural compound including a 5-membered heterocycle, an organic electronic device using the same, and a terminal thereof.04-05-2012