| Patent application number | Description | Published |
|---|
| 20080271987 | SYSTEM AND METHOD FOR PREPARING NANOPARTICLES USING NON-THERMAL PULSED PLASMA - A system for preparing nanoparticles using non-thermal pulsed plasma is provided. The system comprises a reaction chamber having two divided regions, i.e. a first region where nanoparticles are to be formed and a second region where the nanoparticles are to be received, to prevent the formation of a thin film of nanoparticles in the second region. The use of the system enables the preparation of nanoparticles with improved uniformity and high collection efficiency. In addition, collection and deposition of nanoparticles can be simultaneously performed in the second region. Therefore, the system can find applications in various fields, including devices, secondary cells and sensors. Further provided is a method for preparing nanoparticles using the system. | 11-06-2008 |
| 20080278792 | ELECTROCHROMIC DEVICE HAVING IMPROVED COLOR PROPERTIES - An electrochromic device which includes a display electrode including a conductive layer disposed on a transparent substrate, a counter electrode disposed to face the display electrode, the counter electrode including a white reflective layer, an electrolyte interposed between the display electrode and the counter electrode, a first electrochromic material layer disposed on the display electrode and a second electrochromic material layer disposed on the counter electrode. | 11-13-2008 |
| 20080304132 | ELECTROCHROMIC DEVICE WITH IMPROVED DISPLAY PROPERTIES AND FABRICATION METHOD THEREOF - Disclosed are an electrochromic device and a method for fabricating the same. The electrochromic device comprises a transparent electrode, on which an electrochromic layer is formed, a counter electrode on which a reflective layer is formed, and an electrolyte layer interposed between the transparent electrode and the counter electrode. Since the electrolyte layer is formed in only an active region of unit pixels, neither crosstalk nor image diffusion occurs and only the selected region of unit pixels is operated. Thus, the electrochromic device can realize passive matrix displays capable of representing a desired color. Furthermore, the electrochromic device can be utilized in a variety of applications including flexible displays and electrical papers. | 12-11-2008 |
| 20090093181 | CARBON NANOTUBE FIELD EMISSION DEVICE AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing a carbon nanotube field emission device whereby a catalyst layer is formed on a base structure, a solution containing a carbon nanotube powder is coated on the catalyst layer, and an electroless deposition solution is coated on the carbon nanotube coating layer. The method can provide a carbon nanotube field emission device having an improved field emission efficiency and increased lifetime. | 04-09-2009 |
| 20090097096 | ELECTROCHROMIC DEVICE USING POLYPHTHALATE AND PROCESS FOR PREPARING THE SAME - Example embodiments provide an electrochromic device using polyphthalate as an electrochromic material and a process for preparing the same. The electrochromic device in accordance with example embodiments enables the production of a solid nanoscale electrochromic device having a bistability using polyphthalate as an electrochromic material, and easy formation of a red electrochromic layer which was not reported in a conventional art. Accordingly, the electrochromic device of example embodiments can be usefully employed for fabrication of RGB color electrochromic displays. | 04-16-2009 |
| 20090128882 | ELECTROCHROMIC MATERIALS AND ELECTROCHROMIC DEVICES USING THE SAME - Disclosed herein are novel red electrochromic materials. Further, disclosed herein are electrochromic devices comprising the red electrochromic materials. The electrochromic devices can find various applications in various electrochromic systems, including electrochromic windows and smart windows, and can realize full-color images. | 05-21-2009 |
| 20090161195 | Color pixel structure of an electrochromic display - A color pixel structure of a color display system based on electrochromism. The color pixel structure includes two one-cell two-color type unit cells laminated. Each of the unit cells includes an upper panel, a lower panel and electrochromic materials of different colors applied to both the upper and lower panels. The color pixel structure exhibits improved color characteristics and have a simple structure. The color pixel structure can be applied to a variety of electrochromic displays due to their excellent visibility and simple structure. | 06-25-2009 |
| 20090161200 | ELECTROPHORETIC DISPLAY DEVICE AND OPERATING METHOD OF THE SAME - An electrophoretic display device with high reliability, high reflectance and improved color characteristics. The electrophorectic display device includes unit cells, each of which includes transmissive particles and a reflective panel. The unit cells are vertically laminated or arranged in parallel. In addition, the electrophorectic display device exhibits excellent visibility and has a simple structure. | 06-25-2009 |
| 20090251046 | ELECTROCHROMIC MATERIALS AND ELECTROCHROMIC DEVICES USING THE SAME - Disclosed herein are novel electrochromic materials. The electrochromic materials produce various colors. The electrochromic materials can be used to form red electrochromic layers in a simple manner. Therefore, the electrochromic materials are suitable for use in the fabrication of RGB full-color electrochromic devices. Also disclosed herein are electrochromic devices fabricated using the electrochromic materials. | 10-08-2009 |
| 20100039025 | ELECTROCHROMIC MATERIALS AND ELECTROCHROMIC DEVICES USING THE SAME - Disclosed herein are novel electrochromic materials. The electrochromic materials produce various colors and have bistability to achieve red-green-blue full colors. Therefore, the electrochromic materials can be used in a variety of electrochromic devices. Also disclosed herein are electrochromic devices fabricated using the electrochromic materials. | 02-18-2010 |
| 20100053724 | ELECTROCHROMIC MATERIALS AND ELECTROCHROMIC DEVICES USING THE SAME - Disclosed herein are novel electrochromic materials. The electrochromic materials are viologens into which an imidazole derivative is asymmetrically introduced. The electrochromic materials can be used in a variety of electrochromic displays, including electrochromic windows and smart windows. Also disclosed herein are electrochromic devices that use the electrochromic materials. | 03-04-2010 |
| 20100202035 | ELECTROCHROMIC DEVICE AND METHOD OF FABRICATING THE SAME - An electrochromic device includes a first substrate, a second substrate facing the first substrate, a first electrode disposed on the first substrate, a carbon nano-structured electrode layer disposed on the first electrode, a second electrode disposed on the second substrate, an electrochromic layer disposed on the second electrode, and an electrolyte layer interposed between the first substrate and the second substrate. | 08-12-2010 |
| 20100294369 | DYE-SENSITIZED PHOTOVOLTAIC CELL - A counter electrode for a photovoltaic cell and a photovoltaic cell including the same include a transparent substrate and a catalyst layer formed on the transparent substrate using a supported catalyst The counter electrode of the present invention has an economical preparation cost and process, and also has an enlarged contact area with an electrolyte layer of the cell, leading to improved catalytic activity. Thus, in the case where the counter electrode is applied to the photovoltaic cell, excellent photoconversion efficiency is exhibited. In an exemplary embodiment, the photovoltaic cell is a dye-sensitized photovoltaic cell including such a counter electrode. | 11-25-2010 |
| 20110002027 | Electrochromic material and electrochromic device including the same - An electrochromic material including at least one compound represented by Chemical Formulas 1 to 3: | 01-06-2011 |
| 20110043886 | ELECTROCHROMIC DEVICE AND METHOD OF MANUFACTURING THE SAME - An electrochromic device includes a first electrode, a second electrode disposed opposite the first electrode, a porous electrochromic layer disposed on the first electrode or the second electrode, and an electrolyte disposed between the first electrode and the second electrode. The porous electrochromic layer includes different sized nanoparticle clusters, and each nanoparticle cluster includes a plurality of nanoparticles and an electrochromic material. | 02-24-2011 |
