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Choon-Ho

Choon-Ho Lee, Yongin-City KR

Patent application numberDescriptionPublished
20100297349THIN FILM DEPOSITION APPARATUS - A thin film deposition apparatus used to produce large substrates on a mass scale and improve manufacturing yield. The thin film deposition apparatus includes a deposition source; a first nozzle disposed at a side of the deposition source and including a plurality of first slits arranged in a first direction; a second nozzle disposed opposite to the first nozzle and including a plurality of second slits arranged in the first direction; and a barrier wall assembly including a plurality of barrier walls arranged in the first direction so as to partition a space between the first nozzle and the second nozzle.11-25-2010

Choon-Ho Lee, Yongin-Si KR

Patent application numberDescriptionPublished
20090159883TEST PATTERN FOR SEMICONDUCTOR DEVICE AND METHOD FOR FORMING THE TEST PATTERN - A test pattern for a semiconductor device and a method for forming the test pattern that can determine the degree of over etching of contact holes and obviate the need to perform a physical analysis using SEM, FIB or the like after the wafer is destroyed.06-25-2009

Choon-Ho Park, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20080242183Pattern forming method using printing device and method of manufacturing liquid crystal display device using the same - A pattern forming method using printing device and method of manufacturing LCD device using the same is disclosed, which uses a cleaning dry film to remove a pattern material from a printing plate, the printing device comprising a printing roller coated with a pattern material; a printing plate including embossing and depressed patterns for patterning the pattern material of the printing roller; a substrate to which the pattern material on the embossing patterns of the printing roller is transcribed; and a cleaning unit, for removing the pattern material from the printing plate, provided with a film-supplying roller, a cleaning roller and a film-collecting roller combined with one another by one cleaning dry film.10-02-2008
20110026099ELECTROPHORETIC DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - An electrophoretic display device includes a switching element on a substrate including a display area having a pixel region and a non-display area at a periphery of the display area, a passivation layer covering the switching element, a pixel electrode on the passivation layer and connected to the switching element, an electrophoresis film on the pixel electrode and including an ink layer and a base film, wherein the ink layer includes a plurality of charged particles, and the base film is formed of polyethylene terephthalate, a common electrode for generating an electric field with the pixel electrode to drive the electrophoresis film, and a color filter layer directly on the electrophoresis film, wherein the color filter layer is formed under temperatures of less than 100 degrees of Celsius.02-03-2011
20120008190ELECTROPHORETIC DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - An electrophoretic display device includes a lower substrate having a plurality of pixel electrodes on the lower substrate, having a lower organic layer on the pixel electrodes and the lower substrate, and having partition walls formed on the lower organic layer to surround the pixel electrodes, the pixel electrodes and partition walls defining a plurality of sub-pixels; an upper substrate bonded with the lower substrate, the upper substrate having a common electrode formed thereon with an upper organic layer on the common electrode; and electrophoretic dispersion liquid comprising a plurality of charged particles colored to display colors, the electrophoretic dispersion liquid disposed in the plurality of the sub-pixels defined by the pixel electrodes and the partition walls.01-12-2012
20120008191ELECTROPHORETIC DISPLAY DEVICE AND METHOD OF FABRICATION THEREOF - Disclosed is an electrophoretic display (EPD) device and fabrication method thereof that has a simplified fabrication process and reduced fabrication costs. In the EPD device, a partition wall is formed directly on a first substrate having a pixel electrode and extended up a lateral surface of the partition wall to prevent dead areas in the pixel region, provide increased aperture ratio, and enhanced image quality.01-12-2012
20120013970ELECTROPHORETIC DISPLAY DEVICE AND FABRICATION METHOD THEREOF - An electrophoretic display device in which a barrier defining a unit pixel is directly formed on a first substrate and the unit pixel is filled with an electrophoretic material, and a fabrication method thereof are provided. A barrier surrounding a display area is formed on a non-display area and a sealant is filled between the barrier and a partition wall to facilitate an attachment of first and second substrates.01-19-2012

Patent applications by Choon-Ho Park, Gyeonggi-Do KR

Choon-Ho Park, Hwaseong-Kun KR

Patent application numberDescriptionPublished
20090191484PHOTOSENSITIVE RESIN COMPOSITION CONTROLLING SOLUBILITY AND PATTERN FORMATION METHOD OF DOUBLE-LAYER STRUCTURE USING THE SAME - The present invention relates to a new photosensitive resin composition capable of solubility control and a pattern formation method of a double-layer structure using the same, and more particularly to a photosensitive resin composition that can control the 07-30-2009

Choon-Ho Park, Dongan-Gu KR

Patent application numberDescriptionPublished
20080225213Color filters of liquid crystal display and method for fabricating the same - A liquid crystal display includes: a color filter substrate; and a plurality of pixels formed in a matrix form on the color filter substrate, each pixel including a first red sub-pixel, a first green sub-pixel, a first blue sub-pixel, a pair of second red sub-pixel and third green sub-pixel, a pair of second green sub-pixel and third blue sub-pixel, and a pair of second blue sub-pixel and third red sub-pixel.09-18-2008

Choon-Ho Park, Paju KR

Patent application numberDescriptionPublished
20120013968ELECTROPHORETIC DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - Disclosed is an electrophoretic display (EPD) device capable of implementing colors with high brightness. Each sub-pixel implement colors with driving color particles, white particles and black particles, and the EPD device has an enhanced contrast ratio due to black particles.01-19-2012