Patent application number | Description | Published |
20090141060 | INKJET PRINTING SYSTEM AND DRIVING METHOD THEREOF - An inkjet printing system is provided, which comprises: a stage on which a substrate including at least two alignment keys is mounted; an inkjet head device disposed above the stage; and an alignment key sensing device disposed above the stage, wherein the inkjet head device comprises a head unit including an inkjet head, and a supporting unit which supports the head unit and scanning the substrate in a first direction, and wherein the alignment key sensing device comprises: at least two alignment key sensors for sensing positions of the alignment keys; a sensor supporting unit for supporting the at least two alignment key sensors; and a sensor position adjustment device for adjusting positions of the alignment key sensors with respect to the alignment key sensing device. | 06-04-2009 |
20100118236 | DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a display device and a method for manufacturing the display device. The display device includes at least one partition formed on a lower display panel. A color filter may fill a region defined by the partitions. A first upper passivation layer is formed on the color filter, and a second upper passivation layer is formed on the first upper passivation layer and the partitions such that the LCD structure is planarized. In the display device, the height of the partition is sufficiently high to prevent mixing of the colors of neighboring pixel filters, and the process margin of the spacer and the light blocking member may be ensured. The partitions can be formed with multiple layers having different widths such that the mixture of colors between the neighboring pixels may be prevented, and the color reproducibility may be increased. | 05-13-2010 |
20100141875 | LIQUID CRYSTAL DISPLAY, PANEL THEREFOR, AND MANUFACTURING METHOD THEREOF - A display panel includes a substrate, a partition formed on the substrate and defining a plurality of openings, a plurality of color filters formed in the openings and having a substantially uniform thickness within each respective opening, and a spacer formed on the partition. The color filters and the spacer are formed through inkjet printing. The color filters have the substantially uniform thickness by the partition having a height which is greater than the thickness of the color filters during the inkjet printing. The height of the partition may be in a range of about 1.5 to about 2 times the thickness of the color filter. | 06-10-2010 |
20100157235 | LIQUID CRYSTAL DISPLAY - A liquid crystal display according to an exemplary embodiment of the present invention includes: a substrate; a partition formed on the substrate and defining a pixel; a plurality of protrusion members formed with the same material as the partition on the substrate, and disposed with a linear plane shape inside the pixel defined by the partition; and a color filter filled inside the pixel defined by the partition. Accordingly, in the liquid crystal display according to an exemplary embodiment of the present invention, a plurality of transparent protrusion members are formed in the pixel defined by the partition such that movement of color filter ink dripped through an Inkjet method is controlled such that a color filter may be planarized on the whole surface of the pixel. | 06-24-2010 |
20100178416 | INK COMPOSITION AND COLOR FILTER INCLUDING THE SAME - An ink composition comprising dipropylene glycol monomethyl ether acetate (DPMA). For example, an ink composition for a color filter includes a binder material, a monomer material, a polymerization initiator, a pigment dispersion, and a solvent including dipropylene glycol monomethyl ether acetate (DPMA). | 07-15-2010 |
20100309241 | METHOD FOR INKJET PRINTING - A method for inkjet printing includes providing a light blocking member pattern including a plurality of openings at positions corresponding to pixels, dripping a dummy ink drop on the light blocking member pattern by using an inkjet printer, providing a CCD (charge-coupled device) image for the dripped dummy ink drop, representing the CCD image on rectangular coordinates, calculating a central point under an x-axis and a y-axis of the CCD image, calculating an escape value as a deviation of the central point under the x-axis and the y-axis in the CCD image from a reference point established by the inkjet printer, calculating a time adjustment value of the ink drip based on the escape value, and controlling the time for the ink drip for each nozzle of the inkjet printer by the time adjustment value of the ink drip. | 12-09-2010 |
20110013302 | INK COMPOSITION FOR A COLOR FILTER, A COLOR FILTER SUBSTRATE MANUFACTURED USING THE INK COMPOSITION AND METHOD OF MANUFACTURING A COLOR FILTER SUBSTRATE USING THE INK COMPOSITION - An ink composition for a color filter includes about 100 parts by weight of a pigment dispersion, about 7 parts by weight to about 65 parts by weight of a thermosetting resin having hydroxyl group at a side chain of the thermosetting resin, about 0.015 part by weight to about 1.5 parts by weight of a thermal initiator, about 0.8 part by weight to about 15 parts by weight of an epoxy-based resin containing fluorine, and about 15 parts by weight to about 165 parts by weight of a solvent. A color filter substrate is manufactured using the ink composition for color filter. The ink composition for the color filter improves straightness of ink jetting through an ink-jetting nozzle and prevents the ink composition from spreading to neighboring pixels. | 01-20-2011 |
20110019140 | LIQUID CRYSTAL DISPLAY AND MANUFACTURING METHOD THEREOF - A display panel according to the present invention includes a first insulating substrate with a gate line and a data line formed thereon. A thin film transistor is connected to the gate line and the data line and a partition is formed according to the gate line and the data line defining a color filter filling region. Color filter is formed as a convex shape since both circumferences of upper portion and lower portion of the partition are larger than that of center portion. A color filter is formed in the filling region. A passivation layer is formed on the color filter and the partition and a pixel electrode on the passivation layer connected to the thin film transistor through a contact hole punching the passivation layer and the color filter. | 01-27-2011 |
20120249937 | DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a display device and a method for manufacturing the display device. The display device includes at least one partition formed on a lower display panel. A color filter may fill a region defined by the partitions. A first upper passivation layer is formed on the color filter, and a second upper passivation layer is formed on the first upper passivation layer and the partitions such that the LCD structure is planarized. In the display device, the height of the partition is sufficiently high to prevent mixing of the colors of neighboring pixel filters, and the process margin of the spacer and the light blocking member may be ensured. The partitions can be formed with multiple layers having different widths such that the mixture of colors between the neighboring pixels may be prevented, and the color reproducibility may be increased. | 10-04-2012 |
20130242372 | ELECTROWETTING DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - A method of manufacturing an electrowetting display device includes forming a protection layer on a pixel electrode, forming a water-repellent layer on the protection layer, and removing the water-repellent layer from regions surrounding a display area of the pixel electrode. The water-repellent layer is formed by coating the protection layer with a hydrophilic material using a method such as slit coating. The water-repellent layer is removed using a method such as an edge bead removal method. The resulting water-repellent layer has a uniform thickness. | 09-19-2013 |
20130271817 | ELECTROWETTING DEVICE - An electrowetting device is provided that includes a lower substrate and an upper substrate facing each other, a first electrode positioned on the lower substrate, an edge electrode positioned on the lower substrate and adjacent to an edge of the first electrode, a hydrophobic insulating layer positioned on the first electrode and the edge electrode, a partition positioned on the lower substrate, a second electrode positioned on the upper substrate, and a first liquid and a second liquid positioned between the upper substrate and the lower substrate, wherein an electric field of a portion where the edge electrode is positioned is smaller than an electric field of a portion where the first electrode is positioned. | 10-17-2013 |
20130293799 | DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - A display device includes: a substrate including a plurality of pixel areas; a thin film transistor on the substrate; a pixel electrode connected to the thin film transistor; an roof layer connected between pixel areas adjacent in a first direction and separated from the pixel electrode; a column protruded from the roof layer in a boundary portion of the pixel areas; a space between the pixel electrode and the roof layer, the roof layer partially overlapping an upper inner wall and a first side inner wall of the space and exposing a second side inner wall of the space; a liquid crystal in the space. | 11-07-2013 |
20140141685 | LIQUID CRYSTAL DISPLAY, PANEL THEREFOR, AND MANUFACTURING METHOD THEREOF - A display panel includes a substrate, a partition formed on the substrate and defining a plurality of openings, a plurality of color filters formed in the openings and having a substantially uniform thickness within each respective opening, and a spacer formed on the partition. The color filters and the spacer are formed through inkjet printing. The color filters have the substantially uniform thickness by the partition having a height which is greater than the thickness of the color filters during the inkjet printing. The height of the partition may be in a range of about 1.5 to about 2 times the thickness of the color filter. | 05-22-2014 |
20140176893 | DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - A display device according to an exemplary embodiment of the present invention includes a substrate including a plurality of pixel regions, a thin film transistor disposed on the substrate, and a pixel electrode connected to the thin film transistor and disposed in a first pixel region. A roof layer is disposed on the pixel electrode and spaced apart from the pixel electrode with a microcavity interposed therebetween. The plurality of pixel regions is disposed in a matrix form including a plurality of pixel rows and a plurality of pixel columns, the roof layer is disposed along the plurality of pixel rows, and the roof layer includes a bridge portion connecting the roof layers disposed in different pixel rows. | 06-26-2014 |
20140211294 | ELECTROWETTING DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - A method of manufacturing an electrowetting display device includes forming a protection layer on a pixel electrode, forming a water-repellent layer on the protection layer, and removing the water-repellent layer from regions surrounding a display area of the pixel electrode. The water-repellent layer is formed by coating the protection layer with a hydrophilic material using a method such as slit coating. The water-repellent layer is removed using a method such as an edge bead removal method. The resulting water-repellent layer has a uniform thickness. | 07-31-2014 |