Patent application number | Description | Published |
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 |
20100026165 | Carbon nanotube emitter and its fabrication method and field emission device (FED) using the carbon nanotube emitter and its fabrication method - A carbon nanotube emitter and its fabrication method, a Field Emission Device (FED) using the carbon nanotube emitter and its fabrication method include a carbon nanotube emitter having a plurality of first carbon nanotubes arranged on a substrate and in parallel with the substrate, and a plurality of the second carbon nanotubes arranged on a surface of the first carbon nanotubes. | 02-04-2010 |
20100060825 | Display apparatus having an active transflective device - A display apparatus includes an active transflective device and a device panel. The active transflective device is configured to electrically control light transmissivity and light reflectivity. The display panel is configured to form an image by modulating at least one of light reflected and light transmitted by the active transflective device. | 03-11-2010 |
20100079416 | Radio frequency identification (RFID), display pixel, and display panel and display apparatus using RFID display pixel - Example embodiments include an RFID display pixel, and a display panel and a display apparatus using the RFID display pixel. The RFID display pixel includes an RFID tag having an antenna and an IC chip; and a display device connected to the RFID tag. The display device is driven according to information received from the antenna. The display apparatus includes a display panel having a two-dimensional array of a plurality of RFID display pixels having the RFID tag and display device. An image control unit generates an image signal to be displayed on the display panel and an RFID reading unit wirelessly communicates with the RFID tag and transmits the image signal generated in the image control unit to the RFID tag. | 04-01-2010 |
20100182673 | Display devices using electrochromism and polymer dispersed liquid crystal and methods of driving the same - Provided are display devices using electrochromism and PDLC and methods of driving the display devices. A display device may include a plurality of first electrodes and a plurality of second electrodes; a polymer dispersed liquid crystal (PDLC) layer between the first electrodes and the second electrodes; a plurality of third electrodes and a plurality of fourth electrodes; a plurality of electrochromic layers between the third electrodes and the fourth electrodes; and an electrolyte layer between the third electrodes and the fourth electrodes. | 07-22-2010 |
20100208172 | Polymer dispersed display panels including quantum dots and display apparatuses including the same - A polymer dispersed display apparatus includes a polymer layer, and a plurality of liquid crystal drops dispersed in the polymer layer. Quantum dots emitting a plurality of colors of light are mixed in the liquid crystal drops. Therefore, the polymer dispersed display apparatus displays colors without the need for a color filter. Thus, the polymer dispersed display apparatus need not include a polarization plate and a color filter, so that a light usage efficiency of the polymer dispersed display apparatus increases. | 08-19-2010 |
20100309413 | Reflective-type color display devices using polymer dispersed liquid crystals and dyes - Reflective-type color display devices using polymer dispersed liquid crystals (PDLCs) and dyes are provided, the display devices including a pixel unit having PDLC layers that are disposed between first electrodes and second electrodes. The PDLC layers have different color dyes. The first electrodes are disposed on a first substrate and the second electrodes are disposed on a second substrate, wherein the first and second substrates are apart from each other. The pixel unit includes different color sub pixels. | 12-09-2010 |
20100320439 | Carbon nanotube structure and method of vertically aligning carbon nanotubes - A Carbon NanoTube (CNT) structure includes a substrate, a CNT support layer, and a plurality of CNTs. The CNT support layer is stacked on the substrate and has pores therein. One end of each of the CNTs is attached to portions of the substrate exposed through the pores and each of the CNTs has its lateral sides supported by the CNT support layer. A method of vertically aligning CNTs includes: forming a first conductive substrate; stacking a CNT support layer having pores on the first conductive substrate; and attaching one end of the each of the CNTs to portions of the first conductive substrate exposed through the pores. | 12-23-2010 |
20110108779 | Method of manufacturing reflective color filter - Provided is a method of manufacturing a reflective color filter. According to the method, the reflective color filter may reflect light having a desired wavelength by controlling the distance between colloidal particles. The method of manufacturing a reflective color filter may include forming colloidal particles having a charged surface, forming colloidal crystals by controlling distances between the colloidal particles, and forming a photonic crystal composite by fixing the colloidal crystals having the colloidal particles. | 05-12-2011 |
20110121260 | QUANTUM DOT PHOSPHOR FOR LIGHT EMITTING DIODE AND METHOD OF PREPARING THE SAME - Disclosed herein is a quantum dot phosphor for light emitting diodes, which includes quantum dots and a solid substrate on which the quantum dots are supported. Also, a method of preparing the quantum dot phosphor is provided. Since the quantum dot phosphor of the current invention is composed of the quantum dots supported on the solid substrate, the quantum dots do not aggregate when dispensing a paste obtained by mixing the quantum dots with a paste resin for use in packaging of a light emitting diode. Thereby, a light emitting diode able to maintain excellent light emitting efficiency can be manufactured. | 05-26-2011 |
20110134373 | Reflective display devices and methods of manufacturing the same - A reflective display device may include pixels. Each pixel may include sub-pixels. Each sub-pixel may include first and second substrates spaced apart from each other; a driving unit formed on a top surface of the first substrate; a reflective layer, acting as a first electrode to which a voltage is applied by the driving unit, disposed above the driving unit; a second electrode formed on a bottom surface of the second substrate; a color filter layer disposed between the reflective layer and the second electrode; and a polymer dispersed liquid crystal (PDLC) layer. If the color filter layer is formed on the reflective layer; then the PDLC layer may be disposed between the second electrode and color filter layer. If the color filter layer is formed on a bottom surface of the second electrode, then the PDLC layer may be disposed between the reflective layer and color filter layer. | 06-09-2011 |
20110228376 | ACTIVE MATRIX ELECTROCHROMIC DEVICE AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing an active matrix electrochromic device includes preparing a first substrate including a thin film transistor including a gate electrode, a source electrode, and a drain electrode, and a pixel electrode electrically connected to the drain electrode. An electrochromic layer is formed on the pixel electrode by an electrophoretic process which includes immersing the first substrate and a mesh spaced apart from each other in a solution. While the first substrate is immersed in the solution so that the pixel electrode is soaked therein, a channel of the thin film transistor is opened by applying a voltage to the gate electrode, a potential difference between the pixel electrode and the mesh is generated by connecting a voltage source between a terminal electrically connected to the source electrode and the mesh, and materials in the solution are deposited on the pixel electrode, thereby forming the electrochromic semiconductor layer. | 09-22-2011 |
20110261303 | Color filter and display devices including the same - A color filter and display devices using the same are provided, the color filter includes a first electrode and a second electrode spaced apart from each other; and a variable filter layer between the first electrode and the second electrode. The variable filter layer includes a polymer, liquid crystal dispersed in the polymer, and a plurality of color display materials mixed in the liquid crystal. | 10-27-2011 |
20110291073 | QUANTUM DOT PHOSPHOR FOR LIGHT EMITTING DIODE AND METHOD OF PREPARING THE SAME - Disclosed herein is a quantum dot phosphor for light emitting diodes, which includes quantum dots and a solid substrate on which the quantum dots are supported. Also, a method of preparing the quantum dot phosphor is provided. Since the quantum dot phosphor of the current invention is composed of the quantum dots supported on the solid substrate, the quantum dots do not aggregate when dispensing a paste obtained by mixing the quantum dots with a paste resin for use in packaging of a light emitting diode. Thereby, a light emitting diode able to maintain excellent light emitting efficiency can be manufactured. | 12-01-2011 |
20110310079 | Pixel Circuit And Display Apparatus Including The Same - A pixel circuit includes a first transistor that supplies a data signal to a first node in response to a scan signal. The pixel circuit may also include a capacitor that is connected between the first node and a ground voltage and a detecting unit that is connected in parallel with the capacitor. More so, the detecting unit may change a voltage of the first node by being activated in response to a mode signal. Also, the detecting unit may have resistance that varies according to an external stimulus. The pixel circuit may also include a second transistor that is complementarily activated with respect to the detecting unit in response to the mode signal, and that provides a voltage of the first node. | 12-22-2011 |
20120126207 | Organic Semiconductor Composition, And Transistor And Electronic Device Including A Polymer Therefrom - An organic composition for a semiconductor device includes a compound for an organic semiconductor device including a structural unit; and a metal-containing compound selected from a transition element-containing compound, a lanthanide-containing compound, and a combination thereof, which results in improved charge mobility due to a reduced grain boundary. | 05-24-2012 |
20120133863 | Reflective Polymer Dispersed Liquid Crystal Display Device - A reflective polymer dispersed liquid crystal (PDLC) display device includes a PDLC layer between first and second electrodes, the PDLC layer including polymers, liquid crystals, and dichroic dyes having negative dichroism. | 05-31-2012 |
20120169978 | REFLECTIVE STRUCTURE AND DISPLAY APPARATUS EMPLOYING THE SAME - According to example embodiments, a reflective film includes a plurality of first concave-convex elements having a curved surface and a plurality of second concave-convex elements on the curved surface. The second concave-convex elements may be a smaller scale than a scale of the plurality of first concave-convex elements. The reflective structure may further include a color purity control element configured to reduce degradation of a color purity expressed by the reflective film. The color purity control element may be configured such that at least a complementary light with respect to a color light reflected by the reflective film travels in the same direction as the reflected color light. | 07-05-2012 |
20120181519 | Organic Semiconductor Device And Method Of Manufacturing The Same - An organic semiconductor device includes an organic semiconductor, an electrode electrically connected to the organic semiconductor, and a self-assembled monolayer positioned between the organic semiconductor and the electrode, the self-assembled monolayer including a monomer having an anchor group at one end and an ionic functional group at another end. | 07-19-2012 |
20120193689 | PIXEL OF A MULTI-STACKED CMOS IMAGE SENSOR AND METHOD OF MANUFACTURING THE SAME - Provided is a pixel of a multi-stacked complementary metal-oxide semiconductor (CMOS) image sensor and a method of manufacturing the image sensor including a light-receiving unit that may include first through third photodiode layers that are sequentially stacked, an integrated circuit (IC) that is formed below the light-receiving unit, electrode layers that are formed on and below each of the first through third photodiode layers, and a contact plug that connects the electrode layer formed below each of the first through third photodiode layers with a transistor of the IC. | 08-02-2012 |
20120248414 | Semiconductor Device, Method Of Manufacturing The Same, And Electronic Device Including The Semiconductor Device - An example embodiment relates to a semiconductor device including a semiconductor element. The semiconductor element may include a plurality of unit layers spaced apart from each other in a vertical direction. Each unit layer may include a patterned graphene layer. The patterned graphene layer may be a layer patterned in a nanoscale. The patterned graphene layer may have a nanomesh or nanoribbon structure. The semiconductor device may be a transistor or a diode. An example embodiment relates to a method of making a semiconductor device including a semiconductor element. | 10-04-2012 |
20120261649 | Image Sensor - An example embodiment of the image sensor includes a light-sensing device including a first electrode, a second electrode disposed opposite to the first electrode, and a photoelectric conversion layer positioned between the first electrode and the second electrode. The photoelectric conversion layer includes a block copolymer including electron donating blocks and electron accepting blocks. The electron donating blocks are deposited together and connected to the first electrode and the second electrode. The electron accepting blocks are deposited together and connected to the first electrode and the second electrode. A color filter may be positioned on the second electrode of the light-sensing device. | 10-18-2012 |
20120280340 | MEMORY DEVICES AND METHODS OF MANUFACTURING THE SAME - A memory device includes a lower electrode formed on a substrate, and an information storage unit formed on the lower electrode. The information storage unit includes a plurality of information storage layers spaced apart from one another. Each of the plurality of information storage layers is an information unit. A method of manufacturing a memory device uses a porous film to form the plurality of information storage layers. | 11-08-2012 |
20130001554 | Method Of Manufacturing Electric Device, Array Of Electric Devices, And Manufacturing Method Therefor - An example embodiment relates to a method of manufacturing an array of electric devices that includes attaching a platform including a micro-channel structure to a substrate. The method includes injecting first and second solutions into the micro-channel structure to form at least three liquid film columns, where the first and second solutions include different solvent composition ratios and the liquid columns each, respectfully, include different solvent composition ratios. The method further includes detaching the platform the substrate, removing solvent from the liquid film columns to form thin film columns, and treating the thin film columns under different conditions along a length direction of the thin film columns. The solvent is removed from the thin film columns and the thin film columns are treated under different conditions along a length direction of the thin film columns. | 01-03-2013 |
20130062595 | PHOTODIODE - A photodiode according to example embodiments includes an anode, a cathode, and an intrinsic layer between the anode and the cathode. The intrinsic layer includes a P-type semiconductor and an N-type semiconductor, and composition ratios of the P-type semiconductor and the N-type semiconductor vary within the intrinsic layer depending on a distance of the intrinsic layer from one of the anode and the cathode. | 03-14-2013 |
20130063529 | PRINTING SYSTEM, PRINTING APPARATUSES, AND METHODS OF FORMING NOZZLES OF PRINTING APPARATUSES - A printing apparatus includes: a flow channel plate including, a pressure chamber, a nozzle including an outlet through which ink contained in the pressure chamber is ejected, and a trench disposed around the nozzle, and the outlet extending into the trench; a piezoelectric actuator configured to provide a change in pressure to eject the ink contained in the pressure chamber; and an electrostatic actuator configured to provide an electrostatic driving force to the ink contained in the nozzle. | 03-14-2013 |
20130135392 | INKJET PRINTING APPARATUS AND METHOD OF FORMING NOZZLES - A printing apparatus includes a first nozzle substrate having a first tapered nozzle unit aligned with a pressure chamber and a second nozzle substrate having a second tapered nozzle unit aligned with the first tapered nozzle unit and attached to the bottom of the first nozzle substrate. | 05-30-2013 |
20130187134 | ORGANIC ELECTRONIC DEVICE - An organic electronic device may include an organic semiconductor compound represented by the following Chemical Formula 1 or Chemical Formula 2. | 07-25-2013 |
20140093997 | METHOD OF MANUFACTURING AN ORGANIC SEMICONDUCTOR THIN FILM - A method of manufacturing an organic semiconductor thin film includes coating an organic semiconductor solution on a substrate, and shearing the organic semiconductor solution in a direction that results in a shearing stress being applied to the organic semiconductor solution to form the organic semiconductor thin film, wherein a speed of the shearing is controlled such that an intermolecular distance of the organic semiconductor solution is adjusted. | 04-03-2014 |
20140141155 | METHOD OF FORMING ELECTRIC WIRING USING INKJET PRINTING AND INKJET PRINTING APPARATUS - A method of forming an electric wiring includes forming a trench on a substrate and ejecting first ink and second ink into the trench. The second ink contains a conductive material. The method includes heating the substrate to sinter the second ink such that a tunnel is formed in a lower portion of the trench by evaporation of the first ink, and the conductive material forms the electric wiring in an upper portion of the trench. | 05-22-2014 |
20140141156 | METHOD OF FORMING ELECTRIC WIRING USING INKJET PRINTING - Disclosed is a method of forming an electric wiring using inkjet printing. The method includes forming a main trench and first and second guide trenches on a substrate. The first and second guide trenches are disposed at opposite sides of the main trench. The method includes ejecting ink into the main trench, the ink including a conductive material. The method also includes heating the substrate to sinter the ink such that the electric wiring is formed an upper portion of the main trench, and contract the ink such that a tunnel is formed in a lower portion of the main trench. | 05-22-2014 |
20140158938 | QUANTUM DOT PHOSPHOR FOR LIGHT EMITTING DIODE AND METHOD OF PREPARING THE SAME - Disclosed herein is a quantum dot phosphor for light emitting diodes, which includes quantum dots and a solid substrate on which the quantum dots are supported. Also, a method of preparing the quantum dot phosphor is provided. Since the quantum dot phosphor of the current invention is composed of the quantum dots supported on the solid substrate, the quantum dots do not aggregate when dispensing a paste obtained by mixing the quantum dots with a paste resin for use in packaging of a light emitting diode. Thereby, a light emitting diode able to maintain excellent light emitting efficiency can be manufactured. | 06-12-2014 |
20140158979 | QUANTUM DOT PHOSPHOR FOR LIGHT EMITTING DIODE AND METHOD OF PREPARING THE SAME - Disclosed herein is a quantum dot phosphor for light emitting diodes, which includes quantum dots and a solid substrate on which the quantum dots are supported. Also, a method of preparing the quantum dot phosphor is provided. Since the quantum dot phosphor of the current invention is composed of the quantum dots supported on the solid substrate, the quantum dots do not aggregate when dispensing a paste obtained by mixing the quantum dots with a paste resin for use in packaging of a light emitting diode. Thereby, a light emitting diode able to maintain excellent light emitting efficiency can be manufactured. | 06-12-2014 |
20140167085 | LIGHT EMITTING DEVICE HAVING IMPROVED LIGHT EXTRACTION EFFICIENCY - According to example embodiments, a light emitting device includes a transparent substrate, a transparent electrode on a transparent substrate, a transparent light extraction layer at least partially on the transparent electrode, a light emitting layer on the transparent electrode, and a reflective electrode on the light extraction layer and the light emitting layer. The light extraction layer and the light emitting layer may be alternately and repeatedly arranged between the transparent electrode and the reflective electrode. | 06-19-2014 |
20140191266 | LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE LIGHT EMITTING DEVICE - In one example embodiment, a light emitting device includes a transparent substrate and a transparent electrode on the transparent substrate, the transparent electrode comprising at least two transparent electrode layers, the at least two transparent electrode layers being successively stacked and having different refractive indices, the refractive index of one of the at least two transparent electrode layers that is closer to the transparent substrate being higher than the refractive index of the other one of the at least two transparent electrode layers. The light emitting device further includes a light emission layer on the transparent electrode and a reflective electrode on the light emission layer. | 07-10-2014 |
20140252326 | DISPLAY DEVICE INCLUDING THIN FILM TRANSISTOR - A display device according to example embodiments includes a first thin film transistor on a substrate, a second thin film transistor on the first thin film transistor, and a display unit electrically connected to at least one of the first thin film transistor and the second thin film transistor. | 09-11-2014 |
20150035911 | PRINTING SYSTEM, PRINTING APPARATUSES, AND METHODS OF FORMING NOZZLES OF PRINTING APPARATUSES - A printing apparatus includes: a flow channel plate including, a pressure chamber, a nozzle including an outlet through which ink contained in the pressure chamber is ejected, and a trench disposed around the nozzle, and the outlet extending into the trench; a piezoelectric actuator configured to provide a change in pressure to eject the ink contained in the pressure chamber; and an electrostatic actuator configured to provide an electrostatic driving force to the ink contained in the nozzle. | 02-05-2015 |
20150041940 | IMAGE SENSOR AND ELECTRONIC DEVICE INCLUDING THE SAME - An image sensor includes a semiconductor substrate integrated with at least one first photo-sensing device sensing light in a first wavelength region and at least one second photo-sensing device sensing light in a second wavelength region shorter than the first wavelength region, a photoelectric device including a pair of electrodes facing each other and a light absorption layer between the electrodes, the photoelectric device selectively absorbing light in a third wavelength region between the first wavelength region and the second wavelength region, and a nanostructural body between the semiconductor substrate and the photoelectric device, the nanostructural body including at least two parts having different optical paths. | 02-12-2015 |