Abstract: 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 with a predetermined interval therebetween; barrier ribs formed between the first and second substrates and providing a plurality of cell spaces; first display units disposed in the cell spaces; and second display units inserted into at least one region of the first substrate, the second substrate, and the barrier ribs. Whereby, the image precision of the electronic paper display device may be improved and the contrast and brightness thereof may be improved.

Abstract: Disclosed herein is a color electronic paper display device. The color electronic paper display device includes a barrier rib structure body that has a cavity partitioning rotating balls; and an electrode structure that is provided in the barrier rib structure body and applies voltage to the rotating balls, wherein the barrier rib structure body has a multilayer barrier rib structure formed of a lower barrier rib and an upper barrier rib, having different light absorptions.

Abstract: Disclosed herein are an electronic paper display and a method for manufacturing the same. In the electronic paper display according to the present invention, red, green, blue, and black (RGBK) rotatable balls are included in a plurality of pixel spaces isolated by barrier ribs, two or more rotatable balls having the same color are connected to one thin film transistor (TFT), and the thin film transistors (TFTs) for respectively realizing red, green, blue, and black (RGBK) colors constitute one unit pixel. According to the present invention, when the rotatable balls exhibiting each of the RGBK colors are connected in two or more and simultaneously driven within one unit pixel, the pixel electrodes are made to be large and connected to one TFT. As a result, the number of TFTs can be decreased even though a large-area display is manufactured, and the volume of module can be minimized.

Abstract: Disclosed herein is an electronic paper, more particularly to an electronic paper capable of actually realizing full colors. The electronic paper includes upper and lower electrodes made of a transparent material and disposed to face each other; transparent barrier ribs disposed between the upper and lower electrodes to form a plurality of cells; twist balls each having a sphere-shaped structure and received in each of the cells, the twist ball having first and second display regions on a surface thereof and the first and second display regions being colored with different colors and respectively electrified with positive charges and negative charges; and a black matrix layer provided below the transparent barrier ribs, the black matrix layer having a larger width than the transparent barrier rib.

Abstract: Disclosed herein is an electronic paper display device including rotating balls configured of hemispheres having colors that are in complementary relationship with each other. The rotating balls are selectively combined, thereby making it possible to represent red, green, blue, cyan, magenta, and yellow colors to the outside and control brightness and saturation of the colors.

Abstract: The present invention provides an electronic paper display apparatus, which comprises: plural pairs of rotating balls each pair having a first rotating ball and a second rotating ball of a size smaller than that of the first rotating ball; a partition wall member having a plurality of cavities each in which a respective rotating ball is positioned and configured to transversely separate the plurality of rotating balls from each other; an electrode structure formed on the partition wall member and configured to provide a drive voltage to each of the plurality of rotating balls; and a plurality of distance adjusting members disposed inside the plurality of cavities, with being faced the plurality of rotating balls.

Abstract: The present invention provides an electronic paper display device including: a lower structure having first rotating balls; an upper structure disposed on the lower structure and having second rotating balls with a larger size than the first rotating balls; and an insulating oil for filling a space between the lower structure and the upper structure, wherein the first rotating balls are disposed to face a region between the second rotating balls.

Abstract: 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.

Abstract: An electronic paper display device and a method of manufacturing the electronic paper display device are disclosed. The method can include forming a plurality of relievo patterns on a lower board, in which the relievo patterns are formed to be independent and separated from one another, disposing a display unit in between the plurality of relievo patterns, and attaching an upper board on the plurality of relievo patterns such that the display unit is covered. In accordance with an embodiment of the present invention, the method can improve the freedom of disposing the display units by allowing partition walls to form only at areas to fix the display units.

Abstract: The present invention provides an electronic paper display device including: a base substrate; rotating balls positioned on the base substrate and consisting of hemispheres of different colors; and a barrier structure for separating the rotating balls on the base substrate and having cavities in which the rotating balls are positioned and an oil supply passage connected to the cavities to supply oil to the cavities.

Abstract: 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.

Abstract: The electronic paper display device may include a first electrode; a dielectric layer that is disposed on the first electrode and has a plurality of cells defined by a barrier; a second electrode that faces the dielectric layer; and electronic balls that are disposed in the inside of the respective cells to display an image according to the electric fields applied to the first and second electrodes wherein a side of the barrier is formed in a recessed round shape.

Abstract: There is provided an electronic paper display device. The electronic paper display device includes a substrate including a plurality of cells formed by a plurality of barrier ribs; an upper electrode and a lower electrode respectively formed on an upper surface and a lower surface of the substrate; and an electronic paper display element mounted in each of the cells and having optical and electrical anisotropy. Here, torque applied to the electronic paper display element is controlled to express grayscale.

Abstract: Disclosed herein is an electronic paper display device, including: a barrier rib structure having a plurality of partitioning spaces arranged in a matrix form; and a plurality of rotating balls each disposed within the partitioning spaces in a form in which a first hemisphere and a second hemisphere are coupled, wherein the rotating ball is rotated in a preset direction by a shape of the partitioning space. Herein, the electrocic paper display device forms a cavity in an asymmetrical shape to induce the rotating ball to be rotated in one direction, thereby making it possible to easily control the rotating ball.

Abstract: 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.

Abstract: Disclosed herein are a color electronic paper display device and a method for manufacturing the same. The color electronic paper display device according to the present invention includes: a barrier rib structure including a plurality of cavities partitioned so that rotating balls are separately inserted thereinto; an electrode structure including an upper electrode and a lower electrode each formed over and under the barrier rib structure and applying voltage to the rotating balls; and a black coating layer formed on the surfaces of the barrier ribs of the barrier rib structure.

Abstract: 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.

Abstract: Disclosed herein are an electronic paper display device, including: a first electrode; a barrier rib layer disposed on the first electrode and defining a plurality of cell regions; a second electrode facing the first electrode and disposed on the barrier rib layer; a twist ball floated in a dielectric solution filled in each cell region and driven according to electric field applied to the first and second electrodes; and an enlarging member disposed on any one of the top surface and the bottom surface of the second electrode and visually enlarging the size of the twist ball, and a manufacturing method thereof.

Abstract: Disclosed herein is an electronic paper display device. The electronic paper display device according to the present invention may include: a base substrate; first rotating balls that are disposed on the front surface of the base substrate; second rotating balls that are disposed on the rear surface of the base substrate; a barrier rib structure that partitions the first rotating balls and the second rotating balls on the base substrate; and an electrode structure that is included in the barrier rib structure and applies voltage to the rotating balls.

Abstract: Disclosed herein is a color electronic paper display device. The color electronic paper display device includes a barrier rib structure body that has a cavity partitioning rotating balls; and an electrode structure that is provided in the barrier rib structure body and applies voltage to the rotating balls, wherein the barrier rib structure body has a multilayer barrier rib structure formed of a lower barrier rib and an upper barrier rib, having different light absorptions.