Patent application number | Description | Published |
20090238951 | VACUUM DEPOSITION APPARATUS AND CONTROL METHOD THEREOF - A vacuum deposition apparatus and a control method thereof can form very precise internal electrode patterns at a very high rate in a roll-to-roll manufacturing process, which is used for mass production of chip components such as a Multi-Layer Ceramic Capacitor (MLCC). | 09-24-2009 |
20100050941 | ROLL-TO-ROLL TYPE THIN FILM PATTERN FORMING APPARATUS - An apparatus for forming a thin film pattern according to an aspect of the invention may include: a vacuum chamber including a mask loading part and a film forming part having a window openable or closable with respect to the mask loading part; an unwinding roll and a winding roll disposed in the film forming part and running a sheet; a source containing unit accommodating a deposition source and mounted such that the deposition source is evaporated to deposit a thin film on the sheet located on the evaporation area; at least one mask having a pattern defining a pattern of the thin film to be deposited on the sheet, and arranged in the mask loading part; a mask moving unit moving the at least one mask arranged in the mask loading part toward a deposition position of the film forming part or moving the mask in a reverse direction; and a shutter unit selectively preventing a movement of the deposition source evaporated toward the mask from the source containing unit. | 03-04-2010 |
20100053577 | ROLL-TO-ROLL TYPE APPARATUS FOR FORMING THIN FILM PATTERN - An apparatus for forming a thin film pattern according to an aspect of the invention may include: an unwinding roll and a winding roll running a sheet; a rotary drum having an elastic layer provided on a circumferential surface thereof, and disposed between the winding roll and the unwinding roll to run the sheet along the circumferential surface; a source containing unit accommodating a deposition source and mounted such that the deposition source is evaporated and the evaporated deposition source moves toward the sheet located on the rotary drum; a shutter selectively preventing the movement of the deposition source toward the rotary drum from the source containing unit; a mask having a pattern defining a pattern of a thin film to be deposited onto the sheet and making tight contact with the sheet located on the rotary drum during thin-film deposition; and a tensioning unit pressurizing the sheet in a direction of the rotary drum to allow the sheet to run after the thin-film deposition and separating the sheet from the mask by a reduction in thickness. | 03-04-2010 |
20110063196 | ELECTRONIC PAPER DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - There is provided an electronic paper display device and a manufacturing method thereof. The electronic paper display device includes a first substrate formed of a light transmitting material; a second substrate disposed to face the first substrate having a predetermined gap therebetween; at least one or more rotatable balls disposed between the first and second substrates and having electrical and optical anisotropy; and partitions dividing a space between the first and second substrates into a plurality of cell spaces accommodating the rotatable balls. The partitions are disposed to be spaced apart from each other with differing gaps therebetween in order to allow the cell spaces to have different sizes. When the same magnitude of voltage is applied to the rotatable balls disposed in the differently sized cell spaces, respective rotation angles of the rotatable balls become different, and accordingly a wide range of contrast levels is displayed. | 03-17-2011 |
20110063259 | ELECTRONIC PAPER DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - There is provided an electronic paper display device and a manufacturing method thereof. The electronic paper display device includes a first electrode formed of a transparent material; at least one or more second electrodes disposed to face the first electrode with differing gaps therebetween; and at least one or more display units disposed between the first and second electrodes and having optical properties varied according to voltage applied to the first and second electrodes. The display units are disposed between the first electrode and the second electrodes disposed to face the first electrode with differing gaps, so respective rotation amounts or rotation angles of the display units become different when the same magnitude of voltage is applied. Accordingly, a wide range of contrast levels is displayed. | 03-17-2011 |
20110069001 | ELECTRONIC PAPER DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - An electronic paper display device includes: a display-side electrode disposed at a display side and formed of a transparent material; a back electrode disposed to face the display-side electrode; a substrate provided as a single layer disposed between the display-side electrode and the back electrode and including a plurality of first and second micro cups which are arranged in a two-dimensionally close-packed manner such that one micro cup is surrounded by different adjacent micro cups; and a plurality of first and second optical anisotropic elements disposed in the first and second micro cups, respectively, and having an optical characteristic changing in response to an electromagnetic change and a different driving voltage to change the optical characteristic. | 03-24-2011 |
20110109534 | ELECTRONIC PAPER DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - There is provided an electronic paper display device and a method of manufacturing the same. An electronic paper display device according to an aspect of the invention may include: first and second electrodes facing each other; an elastomer matrix provided between the first and second electrodes and having one or more protrusions spaced apart at predetermined intervals therebetween; and one or more rotary bodies having optical and electrical anisotropy and being disposed within each of the protrusions. An electronic paper display device according to an aspect of the invention includes rotary bodies being densely arranged with a small thickness, thereby improving a contrast ratio and requiring relatively low driving voltage. Furthermore, predetermined intervals within an elastomer matrix provide a space in which the elastomer matrix can be bent, thereby increasing flexibility. | 05-12-2011 |
20110111119 | METHOD OF MANUFACTURING SHEET TYPE ELECTRONIC PAPER DISPLAY DEVICE - There is provided a method of manufacturing a sheet type electronic paper display device. The method includes: forming a preliminary substrate including a plurality of raised patterns having a greater width than a diameter of first rotary bodies, and a plurality of cell spaces formed between the raised patterns; disposing second rotary bodies in the plurality of cell spaces; injecting a first elastomer matrix into the cell spaces to cover the second rotary bodies; separating the first elastomer matrix from the preliminary substrate to thereby obtain a semi-sheet type structure including depressed patterns corresponding to the raised patterns, protrusions corresponding to the cell spaces and formed of the first elastomer matrix, and the second rotary bodies located within the protrusions; disposing the first rotary bodies in the depressed patterns; and injecting a second elastomer matrix into the depressed patterns to cover the first rotary bodies. | 05-12-2011 |
20110127898 | ELECTRONIC PAPER DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - There is provided an electronic paper display device, and a method of manufacturing the same. The electronic paper display device includes a display side electrode formed of a transparent material, a rear electrode opposing the display side electrode, a substrate disposed between the display side electrode and the rear electrode, and including a plurality of partition walls separating a space between the display side electrode and the rear electrode and a plurality of cell spaces formed by the plurality of partition walls, and two or more types of rotary bodies disposed in the plurality of cell spaces and displaying different respective colors. The same type of rotary bodies displaying the same color among the rotary bodies includes a plurality of rotary bodies having different respective shades. The electronic paper display device has high image stability and uniformity and enables the expression of various shades. | 06-02-2011 |
20120017434 | METHOD AND APPARATUS FOR MANUFACTURING ELECTRONIC PAPER - There is provided a method of manufacturing electronic paper, the method including: preparing a substrate having a plurality of accommodating holes in order to accommodate electronic paper display elements; injecting insulating liquid into the individual accommodating holes; increasing the height of partitions forming the accommodating holes by mounting a mask on the partitions, the mask providing through-holes having a size similar to that of the accommodating holes; putting the electronic paper display elements into the accommodating holes; removing extra electronic paper display elements in excess of a predetermined number thereof by a removal unit in order that the predetermined number of electronic paper display elements are put into the accommodating holes; and removing the mask mounted on the partitions after the extra electronic paper display elements are removed from the accommodating holes. | 01-26-2012 |
20120069426 | ELECTRONIC PAPER DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - There is provided an electronic paper display device and a manufacturing method thereof. The electronic paper display device includes a thin film transistor; a first substrate formed on the thin film transistor and having therein a plurality of pixel electrodes connected to the thin film transistor; a second substrate disposed to face the first substrate and having a common electrode thereon; a plurality of partitions disposed between the first and second substrates to provide a cell space to each of the pixel electrodes; and a display unit disposed in the cell space. The electronic paper display device is superior in the stability and uniformity of an image. | 03-22-2012 |
20120084971 | DEVICE FOR MOUNTING ELECTRONIC PAPER DISPLAY ELEMENT - There is provided a device for mounting an electronic paper display element, the device including: a first roller formed to pass over a substrate in which display elements are to be mounted and mounting the display elements in the substrate by moving the display elements backwards, while moving in a predetermined direction above the substrate and rotating in the moving direction; and a second roller mounting the display elements in the substrate by rotating in a direction opposite to that of the first roller to move the display elements forward, while being disposed behind the first roller and moving in the same direction as that of the first roller. | 04-12-2012 |
20120135262 | METHOD OF MANUFACTURING FINE METAL POWDER AND FINE METAL POWDER MANUFACTURED BY USING THE SAME - There are disclosed a method of manufacturing fine metal powder and fine metal powder manufactured by using the same. The method of manufacturing fine metal powder includes forming a pattern having a predetermined size and shape on a base substrate, forming a metal film on the pattern, and separating the metal film from the pattern to obtain individual metal particles having a predetermined size and shape. The fine metal powder manufactured by the method has a uniform shape and a uniform particle size distribution. The fine metal powder is in the form of flakes, having a large ratio of particle diameter to thickness. | 05-31-2012 |
20120139408 | ELECTRONIC PAPER DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - There are provided an electronic paper display device and a method of manufacturing the same. The electronic paper display device includes: a lower substrate having lower barrier ribs formed thereon, the lower barrier ribs forming cells for receiving electronic paper display elements; electronic paper display elements mounted in the cells of the lower substrate and having optical and electrical anisotropy; and an upper substrate formed to cover the lower substrate and including upper patterns bonded to the lower barrier ribs so as to secure a fluid moving path of the cell. | 06-07-2012 |
20120170106 | ELECTRONIC PAPER DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - There are provided an electronic paper display device and a method of manufacturing the same. The electronic paper display device includes first and second substrates disposed to be opposite to each other, and having a predetermined interval therebetween, a plurality of first barrier ribs formed between the first and second substrates to be spaced apart from each other, a plurality of second barrier ribs formed between the first and second substrates, disposed on the plurality of first barrier ribs, and intersecting with the plurality of first barrier ribs and electronic paper display elements disposed in cell spaces formed by the first and second barrier ribs. Therefore, the barrier ribs may be easily formed, a process thereof may be simply performed, and various patterns may be formed. | 07-05-2012 |
20130183027 | BOTH SIDES EXPOSURE SYSTEM - Disclosed herein is a both sides exposure system including: a first exposure part exposing one side of a film transferred by a transfer unit; an inversion part inverting one side and the other side of the film passing through the first exposure part; and a second exposure part exposing the other side of the inverted film inverted while passing through the inversion part. | 07-18-2013 |
20140193656 | METHOD OF MANUFACTURING FINE METAL POWDER AND FINE METAL POWDER MANUFACTURED BY USING THE SAME - There are disclosed a method of manufacturing fine metal powder and fine metal powder manufactured by using the same. The method of manufacturing fine metal powder includes forming a pattern having a predetermined size and shape on a base substrate, forming a metal film on the pattern, and separating the metal film from the pattern to obtain individual metal particles having a predetermined size and shape. The fine metal powder manufactured by the method has a uniform shape and a uniform particle size distribution. The fine metal powder is in the form of flakes, having a large ratio of particle diameter to thickness. | 07-10-2014 |