Entries |
Document | Title | Date |
20080238293 | Self-Luminous Planar Display Device - A self-luminous planar display device includes a back panel having first electrodes and second electrodes, a face panel with third electrodes on a face substrate, and a sealing frame. The first and second electrodes includes first and second electrode lead terminals pulled out to an outside, and a bent portion is formed on a portion of one of or both the first and second electrode lead terminals. Assuming a distance between the bent portion and the sealing frame as L | 10-02-2008 |
20080246387 | Image display device and manufacturing method of the same - The present invention aims to form an electron emission film containing an alkali metal compound or the like without causing alkali attack on the metal wiring. An FED display device comprises: an electron source including an electron emission film | 10-09-2008 |
20080252194 | ELECTRON EMITTER, FIELD EMISSION DISPLAY UNIT, COLD CATHODE FLUORESCENT TUBE, FLAT TYPE LIGHTING DEVICE, AND ELECTRON EMITTING MATERIAL - To provide an electron emitter, a field emission display unit, a cold cathode fluorescent tube and a flat type lighting device, which employ an electron emitting material producible at a low cost and in a large amount. | 10-16-2008 |
20080252195 | FIELD-EMISSION-BASED FLAT LIGHT SOURCE - A field-emission-based flat light source includes a light-permeable substrate, a transparent electrically conductive cathode, an electron emitter, an anode layer, a light-reflecting layer, a fluorescent layer. The light-permeable substrate has a surface. The transparent electrically conductive cathode layer is disposed on the surface of the light-permeable substrate. The electron emitter is disposed on the transparent electrically conductive cathode layer. The anode layer faces and is spaced from the transparent electrically conductive cathode layer. A vacuum chamber is formed between the anode layer and the transparent electrically conductive cathode layer. The light-reflecting layer is formed on the anode layer, and faces the transparent electrically conductive cathode layer. The fluorescent layer is formed on the light-reflecting layer. | 10-16-2008 |
20080252196 | Active-Matrix Field Emission Display - Provided is a field emission display (FED) in which field emission devices are applied to a flat panel display. The FED includes: a cathode plate including a substrate, first and second thin film transistors (TFTs) that are serially connected on the substrate, a field emitter disposed on a drain electrode of the second TFT, a gate insulating layer having a gate hole surrounding the field emitter, and field emission gate electrodes disposed on the gate insulating layer; and an anode plate including a substrate, and red, green, and blue phosphors disposed on the substrate, wherein the cathode plate and the anode plate are vacuum-packaged parallel and opposite to each other. According to the present invention, uniformity of the FED panel can be significantly improved, and an inherent source-drain leakage current of the TFT can be significantly reduced, so that a contrast ratio of the FED can be significantly enhanced. | 10-16-2008 |
20080265742 | Display Unit-Use Blue Light Emitting Fluorescent Substance and Production Method Therefor and Field Emission Type Display Unit - A blue-emitting phosphor for a display of the present invention is a zinc phosphor which emits blue light when excited by an electron beam with an accelerating voltage of 15 kV or lower and which is made of a zinc sulfide phosphor of a hexagonal system with silver and aluminum as activators and with an average particle size of 1.0 to 4.0 μm. The blue-emitting phosphor can be manufactured by: continuously passing a phosphor material through a tubular heating furnace which is set inclined relative to a horizontal direction and rotates, to clickly heating and burning the phosphor material in the heating furnace; and continuously discharging and cooling a burned material. A field-emission display using the blue-emitting phosphor has improved display characteristics such as initial brightness (white brightness) color reproducibility and the like and has a high withstand voltage characteristic. | 10-30-2008 |
20080272685 | Dispay unit - Hillock is prevented when aluminum wiring is used in order to reduce line resistance in a display unit. The aluminum wiring is formed into multi-layer structure and each layer contains an element which is not solidly solubilized with aluminum. The element are preferably rare earth metal such as Nd, high-melting point transition metals such as Ta and noble metals such as Pd. Intermetallic compounds of aluminum and the element are educed at an interface of the multi-layer wiring and it is prevented that grains of aluminum are enlarged to form hillock. | 11-06-2008 |
20080278060 | FIELD-EMISSION-BASED FLAT LIGHT SOURCE - A field-emission-based flat light source includes the following: a light-permeable substrate; a plurality of line-shaped cathodes; an anode; a light-reflecting layer; and a fluorescent layer. The light-permeable substrate has a surface, and the line-shaped cathodes, with a plurality of carbon nanotubes formed and/or deposited thereon, are located on the surface of the light-permeable substrate. The anode faces the cathodes and is spaced from the cathodes to form a vacuum chamber. The light-reflecting layer is formed on the anode and faces the cathode. The fluorescent layer is formed on the light-reflecting layer. | 11-13-2008 |
20080303407 | Display Device with Solid State Fluorescent Material - A display device ( | 12-11-2008 |
20080309216 | LIGHT EMISSION DEVICE AND DISPLAY DEVICE USING THE LIGHT EMISSION DEVICE AS A LIGHT SOURCE - A light emission device in which a light emission unit has an improved structure and a display device using the light emission device as a light source. The light emission device includes first and second substrates facing each other with a predetermined distance therebetween, an electron emission unit located on one side of the first substrate, and a light emission unit located on one side of the second substrate. The electron emission unit includes a plurality of electron emission elements. The light emission unit includes at least one phosphor layer and a reflection layer spaced apart from the phosphor layer with a barrier disposed between the phosphor layer and the reflection layer. | 12-18-2008 |
20090001867 | PIXEL TUBE FOR FIELD-EMISSION DISPLAY DEVICE - A pixel tube for a field-emission illumination/display device includes a sealed container, an anode electrode, a cathode electrode and a shielding electrode. The sealed container has a light permeable portion. The anode electrode is disposed in the sealed container and adjacent to the light permeable portion. The cathode electrode is arranged in the sealed container facing the anode electrode and includes a cathode supporter and a carbon nanotube yarn, the carbon nanotube yarn attached to the cathode supporter and extending toward the anode electrode for emitting electrons therefrom. The shielding electrode is disposed on a surface of the sealed container and surrounds/encircles the carbon nanotube yarn. | 01-01-2009 |
20090001868 | Image display device and manufacturing method thereof - An image display device comprising a back-surface substrate ( | 01-01-2009 |
20090009054 | Image display device and method of manufacturing the same - An MIM electron source is comprised of a lower electrode, an insulation film and an upper electrode. By depositing a coat film on the upper electrode through a sputter process using a sputter target of alkaline glass having a modifier component of an alkaline metal oxide or alkaline earth metal oxide, the work function of the upper electrode can be lowered. As a result, the electron emission efficiency can be increased stably. | 01-08-2009 |
20090021136 | Emitting device having electron emitting nanostructures and method of operation - An emission device is provided for extracting electrons onto an anode of a visual display. The emission device ( | 01-22-2009 |
20090033202 | Image Display Device - An exhaust hole ( | 02-05-2009 |
20090033203 | IMAGE FORMING APPARATUS AND LIGHT EMITTER SUBSTRATE - To provide an image forming/displaying apparatus which can achieve high image quality and high reliability, the image forming/displaying apparatus comprises a rear plate having plural electron-emitting devices; and a face plate arranged oppositely to the rear plate. The face plate has plural light emission films for emitting light in response to irradiation of electrons, and black members for mutually separating the plural light emission films from others. The plural light emission films are arranged so that the adjacent light emission films emit light of mutually different colors. Further, a convex member, which projects from the surface of the light emission film, is provided within the area of each light emission film. | 02-05-2009 |
20090058257 | ACTIVELY CONTROLLED DISTRIBUTED BACKLIGHT FOR A LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a field emission backlight ( | 03-05-2009 |
20090066217 | DISPLAY DEVICE HAVING A BACKLIGHT DEVICE - A display device including a backlight device for shielding a lead wire connected to an anode electrode and stably connecting the lead wire and the anode connector. The display device includes a voltage applying unit for applying an anode voltage to the anode electrode of the backlight device. The voltage applying unit includes a lead wire that is connected to the anode electrode and partially exposed to the outside of a vacuum chamber, an insulation case for shielding the lead wire outside of the vacuum chamber, an elastic member in the insulation case to fix the insulation case to a vacuum chamber by using elastic force, and an anode connector extending through the insulation case to apply the anode voltage to the lead wire. | 03-12-2009 |
20090072706 | FIELD EMISSION LIGHT SOURCE - A field emission light source includes a substrate, a cathode conductive layer, a plurality of electron emitters, a transparent substrate, an anode layer and a fluorescent layer. The cathode conductive layer is formed on the substrate. The electron emitters are disposed on the cathode conductive layer. The transparent substrate is spaced from the cathode conductive layer. The anode layer is formed on the transparent substrate facing the electron emitters and includes a carbon nanotube film structure having carbon nanotubes arranged in a preferred orientation. The fluorescent layer is formed on the anode layer facing the electron emitters. | 03-19-2009 |
20090072707 | ELECTRON EMISSION DEVICE, LIGHT EMISSION APPARATUS INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE ELECTRON EMISSION DEVICE - Electron emission devices include first electrodes on a substrate extending in a first direction and spaced apart from each other. Second electrodes are on the substrate alternating between the first electrodes and extending in a second direction opposing the first direction. First electron emitters and second electron emitters are on side surfaces of the first electrodes and the second electrodes, respectively. Gaps are formed between the first electron emitters and second electron emitters. | 03-19-2009 |
20090085460 | FLUORESCENT DISPLAY DEVICE AND MANUFACTURING METHOD THEREFOR - A fluorescent display device includes a housing having with a glass substrate and a circuit board adhered to the inner surface of the glass substrate of the housing. The circuit board includes an anode formed of multiple anode conductors, control elements for controlling the anode conductors and a phosphor layer formed on the anode conductors. The fluorescent display further includes an electron source formed above the anode in the housing, from which electrons are bombarded to the phosphor layer corresponding to the anode conductors selected by the control elements so that a desired display can be obtained. An aluminum thin film with the aluminum area ratio within a range from 30 to 60% is formed on the inner surface of the glass substrate and the circuit board is fixed to the aluminum thin film via a die-bond material. | 04-02-2009 |
20090102350 | FIELD EMITTER SPACER CHARGE DETRAPPING THROUGH PHOTON EXCITATION - A method and apparatus for neutralizing the charge on a spacer ( | 04-23-2009 |
20090102351 | Image display apparatus - To realize a large-sized high resolution image display apparatus using an electron emitter array and a phosphor screen, a signal electrode to be formed on the a substrate is made as a thick film, a concave portion is formed in between two signal electrodes, and a convergence electron lens is formed by a base electrode and an top electrode connected to the signal electrode, and thereby electron beams are converged. | 04-23-2009 |
20090128002 | Two-Way Reciprocal Amplification Electron/Photon Source - In one embodiment of the present invention, an electron/photon source is disclosed based on field emission, cathodoluminescent and photo-enhanced field emission, including an evacuated chamber inside a housing, further including an anode and a cathode arranged inside the evacuated chamber. Furthermore, the cathode is arranged to emit electrons when a voltage is applied between the anode and cathode, the anode being arranged to emit light at a first wavelength range when receiving electrons emitted from the cathode, and a wavelength range converting material arranged to receive the emitted light of the first wavelength range and emit light at a second wavelength range. In a novel way, an embodiment of the present invention makes it possible to, in two steps, convert the electrons emitted from the cathode to visible light. The invention has shown to be advantageous, and makes it possible to select new emission materials, manufactured at a fraction of the cost associated with the earlier used materials where the electron to visible light conversion was done in one step. | 05-21-2009 |
20090128003 | SCREEN STRUCTURE, DISPLAY PANEL AND ELECTRONIC EQUIPMENT USING THE SAME, AND METHOD OF MANUFACTURING THE SAME - The present invention is a screen structure which has a transparent substrate and a color filter on the transparent substrate, and in which light from a source of luminescence transmits the color filter and the transparent substrate, and the transparent substrate has a height difference specified by a refractive index of the transparent substrate, a refractive index of the color filter, and a wavelength of the light which transmits the color filter in an interface with the color filter. | 05-21-2009 |
20090134774 | Segmented Conductive Coating for a Luminescent Display Device - A luminescent display is provided that comprises: a plurality of individual phosphor elements ( | 05-28-2009 |
20090146547 | FIELD ELECTRON EMISSION SOURCE AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a field electron emission source includes: providing an insulating substrate; patterning a cathode layer on at least one portion of the insulating substrate; forming a number of emitters on the cathode layer; coating a photoresist layer on the insulating substrate, the cathode layer and the emitters; exposing predetermined portions of the photoresist layer to radiation, wherein the exposed portions are corresponding to the emitters; forming a mesh structure on the photoresist layer; and removing the exposed portions of photoresist layer. The method can be easily performed and the achieved the field electron emission source has a high electron emission efficiency. | 06-11-2009 |
20090218930 | ELECTRON EMISSION SOURCE, ELECTRIC DEVICE USING THE SAME, AND METHOD OF MANUFACTURING THE ELECTRON EMISSION SOURCE - Provided are an electron emission source, a display apparatus using the same, an electronic device, and a method of manufacturing the display apparatus. The electron emission source includes a substrate, a cathode separately manufactured from the substrate, and a needle-shaped electron emission material layer, e.g., carbon nanotube (CNT) layer, fixed to the cathode by an adhesive layer. The CNT layer is formed by a suspension filtering method, and electron emission density is increased by a subsequent taping process on the electron emission material layer. | 09-03-2009 |
20090295271 | Field Emission Display Having Multi-Layer Structure - A field emission display having multi-layer structure is composed of three separate plates, i.e. a cathode plate, a gate plate and an anode plate. Cathodes are prepared on the cathode plates. Gate apertures are fabricated on the gate plate. Gate electrodes and focusing electrodes are fabricated on the gate plate. Phosphor layer is prepared on the anode plate. These plates are assembled together and electrically insulated from each other by insulating spacers, forming a field emission display. | 12-03-2009 |
20100007266 | METHOD OF PREPARING FIELD ELECTRON EMITTER AND FIELD ELECTRON EMISSION DEVICE INCLUDING FIELD ELECTRON EMITTER PREPARED BY THE METHOD - A method of preparing a field electron emitter includes preparing an aqueous solution including a carbon nanotube-nucleic acid composite, preparing a substrate to receive the carbon nanotube-nucleic acid composite, and electrophoresis-depositing the carbon nanotube-nucleic acid composite onto the substrate. | 01-14-2010 |
20100019653 | Electron emission display and method of fabricating the same - An electron emission display comprises: a cathode substrate having at least one electron emission device; a lower partition wall selectively formed in a predetermined region on the cathode substrate; an anode substrate having an image display region corresponding to the electron emission device; and an upper partition wall selectively formed on the anode substrate facing the cathode substrate. The lower and upper partition walls support the cathode and anode substrates, and maintain a predetermined space between the cathode and anode substrates, and the lower and upper partition walls comprise foam glass. With this configuration, a partition wall instead of a spacer is formed by selectively etching the foam glass, and is used for supporting a substrate, thereby eliminating a process of loading the spacer. A method of fabricating the electron emission display comprises steps for forming each of the aforementioned elements, as described above. | 01-28-2010 |
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 |
20100033076 | LIGHT EMITTER SUBSTRATE AND IMAGE DISPLAYING APPARATUS USING LIGHT EMITTER SUBSTRATE - There is provided a light emitter substrate which can suppress halation by forming a rib between adjacent light-emitting members of respectively different light emitting colors, and at the same time can withdraw a potential difference when a discharge occurs between adjacent metal backs, thereby achieving a desired discharging current suppressing capability. For that purpose, the plural parallel ribs protruding from a substrate are formed, a phosphor is provided between the adjacent ribs, plural divided metal backs are disposed respectively on the phosphors in the direction along the ribs, the metal back is connected to a feeding resistor on the rib by means of a connection conductor, and the feeding resistor is covered by a high-resistance cover member. | 02-11-2010 |
20100045166 | ELECTRON EMITTING DEVICE AND LIGHT EMITTING DEVICE THEREWITH - An electron emitting device includes a substrate, a plurality of first wiring units, each of the plurality of first wiring units including a plurality of first electrodes extending in a first direction on the substrate and spaced apart from each other, a plurality of second wiring units, each of the plurality of second wiring units including a plurality of second electrodes each extending in a direction substantially opposite to the first direction and interposed between adjacent first electrodes of the plurality of first electrodes, and a plurality of first electron emitters at sides of the first electrodes and a plurality of second electron emitters at sides of the second electrodes, wherein at least one of the plurality of first wiring units or the plurality of second wiring units is configured to be driven separately. | 02-25-2010 |
20100052511 | FIELD EMISSION DEVICE - The invention relates to a field emission device comprising a cathode having an emission region ( | 03-04-2010 |
20100060140 | FLAT PANEL DISPLAY APPARATUS AND METHOD FOR MANUFACTURING THE SAME - In a flat panel display apparatus, a cathode panel having a surface on which a plurality of electron-emitting regions is disposed and an anode panel having a surface on which a plurality of phosphor regions is disposed are provided so that the above two surfaces face each other with a distance provided therebetween, the phosphor regions are covered with an anode, and the anode has a three-layer laminate structure including a first aluminum layer, a second aluminum oxide layer, and third aluminum layer laminated in that order from a phosphor region side. | 03-11-2010 |
20100060141 | ELECTRON BEAM DEVICE AND IMAGE DISPLAY APPARATUS USING THE SAME - In an electron beam device employing an electron-emitting device in which a gate and a cathode are provided to sandwich a recess portion formed on an insulating member, electrons are scattered after the collision against the gate and then extracted, it is made possible to easily obtain stable electron emission characteristics and also to prevent the electron-emitting device from being deteriorated or being fractured due to overheating even when an excessive heat has been generated. The electron-emitting device includes the cathode having a protrusion | 03-11-2010 |
20100066235 | IMAGE DISPLAY APPARATUS - The shortest distance L [μm] from an arbitrary point on an exposed insulating surface on a base to a conductive member on the base and a sheet resistivity Rs [Ω/□] of the arbitrary point satisfy Rs×L | 03-18-2010 |
20100072879 | FIELD EMISSION DEVICE WITH ANODE COATING - A field emission device in which a protective material is employed in relation to the anode wherein the protective material is selected from one or more members of the group consisting of amorphous carbon, graphite, diamond-like carbon, fullerenes, carbon nanotubes, a (co)polymer and an organic coating compound. | 03-25-2010 |
20100109510 | FUNCTIONALIZED CARBON NANOTUBES - Carbon nanotubes are grown on a first substrate. The CNTs grown on the first substrate are immersed in a biological solution at a predetermined depth to functionalize ends of the CNTs with a biological molecule. The functionalized CNTs are harvested from the first substrate. A second substrate is functionalized with a complementary biological modification, which is a complementary binding partner to the biological molecule functionalized to the ends of the CNTs. The functionalized CNTs are attached to the second substrate by way of the complementary binding partner. | 05-06-2010 |
20100117515 | Fluorescent Display Tube - A fluorescent display tube, which has short-length filaments, can be driven by applied voltage of 3-8V to be used for a general fluorescent display tube. The fluorescent display tube can emit sufficient thermal electrons even if the number of filament cathodes is decreased to reduce power consumption of the filaments. The filament cathode is arranged between a first and third supporting plates by one end thereof fixed to the first supporting plate and the other end thereof fixed to the third supporting plate, and the filament cathode having an equal length with the filament cathode extended between the first and third supporting plates is arranged between the second and third supporting plates. | 05-13-2010 |
20100141115 | Light Emission Device and Display Device Using Same as Light Source - A light emission device including: first substrate and second substrates facing each other with a vacuum region therebetween; an electron emission region at a surface of the first substrate facing the second substrate; a driving electrode at the surface of the first substrate and for controlling an amount of electrons emitted from the electron emission region; an anode at a surface of the second substrate facing the first substrate; a phosphor layer on one surface of the anode and for receiving the electrons emitted from the electron emission region; and a reflective layer covering the phosphor layer, wherein the reflective layer comprises a first reflective layer comprising Al and a second reflective layer comprising Ag. Here, the light emission device according an embodiment of the present invention to the present invention has a reflective layer that is highly reflective, so as to improve cathode luminous efficiency of the phosphor layer. | 06-10-2010 |
20100176712 | LIGHT EMISSION DEVICE AND DISPLAY DEVICE HAVING THE SAME - A light emitting device and a display device having the same that are capable of being manufactured by a simplified manufacturing method and having an improved alignment characteristic of members constituting an electron emission unit of the light emitting device. In one embodiment, the light emitting device includes a first substrate assembly including a first substrate having first recess portions and second recess portions, electron emission regions, first electrodes coupled to the electron emission regions, and second electrodes; and a second substrate assembly facing an inner surface of the first substrate. Here, each of the first recess portions has a first depth, each of the second recess portions has a second depth smaller than the first depth, the first electrodes are positioned within the first recess portions, and the second electrodes are positioned within the second recess portions. | 07-15-2010 |
20100181896 | SURFACE FIELD ELECTRON EMITTERS USING CARBON NANOTUBE YARN AND METHOD OF FABRICATING CARBON NANOTUBE YARN THEREOF - Surface field electron emitters using a carbon nanotube yarn and a method of fabricating the same are disclosed. To fabricate the carbon nanotube yarn for use in fabrication of simple and efficient carbon nanotube field electron emitters, the method performs densification of the carbon nanotube yarn during rotation of a plying unit and heat treatment of the carbon nanotube yarn that has passed through the plying unit without using organic or inorganic binders or polymer pastes. The method fabricates the carbon nanotube yarn with excellent homogeneity and reproducibility through a simple process. The carbon nanotube yarn-based surface field electron emitters can be applied to various light emitting devices. | 07-22-2010 |
20100201251 | FIELD EMISSION DISPLAY AND MANUFACTURING METHOD OF THE SAME HAVING SELECTIVE ARRAY OF ELECTRON EMISSION SOURCE - The present invention relates to a field emission display and a manufacturing method of the same having selective positioning of electron field emitters. More specifically, the present invention provides a field emission display and a manufacturing method of the same having selective positioning of electron field emitters which can prevent a cross-talk that is a mutual interference phenomenon between pixels and improve uniformity of pixels based on uniform electron emission by deciding positions of carbon nano-tubes which are sources of electron emission and growing carbon nano-tubes before the structure of electrodes is formed, and forming spacers directly on electrodes such that the spacers divide carbon nano-tubes formed uniformly and selectively into pixel units. | 08-12-2010 |
20100201252 | FIELD EMISSION LAMP - A field emission lamp includes a transparent glass tube, a cathode, and an anode. The anode and cathode are both disposed in the transparent glass tube. The cathode includes an electron emission layer. The anode includes a carbon nanotube transparent conductive film located on an inner wall of the transparent glass tube and a fluorescent layer located on the carbon nanotube transparent conductive film. | 08-12-2010 |
20100225225 | FIELD EMISSION BACK LIGHT UNIT, CATHODE STRUCTURE THEREOF AND METHOD FOR FABRICATING THE SAME - Provided is a field emission device, and more particularly, a field emission back light unit which makes an interconnection connected with an external electrode simple and capable of local dimming. To this end, a cathode structure for the field emission back light unit includes a plurality of data electrodes formed on a cathode substrate and spaced apart from one another, an insulating layer formed on the data electrodes, and having exposure regions exposing the predetermined data electrodes, cathode electrodes formed on the insulating layer and electrically connected with the data electrodes through the exposure regions, and at least one field emitter formed on the cathode electrodes, wherein a cathode block is defined based on the cathode electrodes electrically isolated from one another, and brightness of each cathode block can be controlled according to current supplied through the data electrode. | 09-09-2010 |
20100231119 | THE FIELD EMISSION DEVICE WITH FINE LOCAL DIMMING - Provided is a field emission device (FED) capable of fine local dimming. In the FED, a cathode substrate is comprised of a plurality of cathode layers, and a plurality of interconnections are disposed on each of the cathode layers, so that fine local dimming is enabled using a plurality of cathode blocks without limiting the number of the cathode blocks. Also, since RC delays of the respective cathode blocks can be synchronized according to the design of the interconnections, current control signals can be simultaneously transmitted to the respective cathode blocks, thereby improving the characteristics of the FED. | 09-16-2010 |
20100295440 | LIGHT EMISSION DEVICE AND DISPLAY DEVICE INCLUDING SAME - A light emitting device capable of simplifying its manufacturing process and/or suppress vacuum leakage by improving its terminal structure and a display device having the same. The light emitting device includes a first substrate assembly, a second substrate assembly, and a sealing member for bonding the first substrate assembly with the second substrate assembly. The first substrate assembly includes a first substrate main body having recess portions, first electrodes within the recess portions, electron emission regions on the first electrodes, and second electrodes at a distance away from the electron emission regions and fixed to a surface of the first substrate assembly. Here, a first portion of the second electrode including a first end portion of the second electrode is exposed out of a region surrounded by the seal member and out of the seal member and is used as a terminal connected to an external circuit. | 11-25-2010 |
20110006666 | ELECTRON-EMITTING DEVICE, ELECTRON BEAM APPARATUS USING THE ELECTRON-EMITTING DEVICE, AND IMAGE DISPLAY APPARATUS - In an electron beam apparatus including a lamination electron emitting device, it is an object to enhance electron emission efficiency by controlling an electron emission point at which electrons are emitted. In the device, an insulating member and a gate are formed on a substrate, a recess portion is formed in the insulating member, a protruding portion protruding from an edge of the recess portion toward the gate is provided at an end in opposition to the gate, of a cathode | 01-13-2011 |
20110018428 | LUMINESCENT SCREEN AND IMAGE DISPLAY APPARATUS - An image display apparatus includes a rear plate including an electron-emitting device; and a luminescent screen including a plurality of light-emitting members, a plurality of anode electrodes positioned so as to overlap the light-emitting members, a partition wall member positioned between the light-emitting members adjacent to each other, a stripe-shaped resistance member electrically connecting the anode electrodes adjacent to each other and being positioned on the partition wall member, and a feeding electrode electrically connecting the resistance member to a power supply, wherein the feeding electrode is, on a mesh-shaped base adjacent to the partition wall member, in contact with the resistance member and a terminal of the power supply circuit. | 01-27-2011 |
20110043097 | Field emission lamp - A field emission lamp, capable of preventing the degradation and the non-uniformly distribution of the light intensity of the emitted light, even after long-term usage of the field emission lamp, is disclosed. The anode of the disclosed field emission lamp is not required to be transparent. The disclosed field emission lamp comprises: a transparent shell; an anode unit set inside the transparent shell; a cathode unit set between the anode unit and the transparent shell; and a phosphor layer set above the anode unit. The cathode unit is apart from the phosphor layer with a certain distance. The phosphor layer and the anode unit are both surrounded by the cathode unit. | 02-24-2011 |
20110050088 | FIELD EMITTING DEVICE AND DISPLAY APPARATUS HAVING THE SAME - A field emitting device includes a base substrate and at least three light emitting units and configured to respectively emit at least three lights having different wavelengths from each other. Each light emitting unit includes a first electrode arranged on the base substrate, a field emitter arranged on the base substrate, an insulating layer arranged on the first electrode and including an opening to expose the field emitter, a second electrode arranged on the insulating later to control an operation of the field emitter, a third electrode facing the first electrode, and a fluorescent layer arranged on a surface of the third electrode facing the first electrode. A transmissive area is located between the florescent layers of two adjacent light emitting units. | 03-03-2011 |
20110084596 | ELECTRON EMITTING DEVICE, AND ELECTRON BEAM DEVICE AND IMAGE DISPLAY APPARATUS INCLUDING THE SAME - A device includes a substrate, an insulating member disposed on a surface of the substrate, a gate, and a cathode. The insulating member has an upper surface apart from the surface of the substrate, and a side surface rising from the surface of the substrate between the upper surface and the surface of the substrate. The gate is disposed on the upper surface of the insulating member. The cathode is disposed on the side surface of the insulating member and has a portion opposing the gate. The side surface of the insulating member on which the cathode is disposed has a protruding portion protruding from an imaginary line connecting a position where the portion opposing the gate lies and a position where the insulating member rises from the surface of the substrate. | 04-14-2011 |
20110084597 | ELECTRON BEAM APPARATUS AND IMAGE DISPLAY APPARATUS USING THE SAME - There is provided a new electron beam apparatus which improves the instability of an electron emission characteristic and provides a high efficient electron emission characteristic. The electron beam apparatus includes: an insulating member having a recess on its surface; a cathode having a protruding portion extending over the outer surface of the insulating member and the inner surface of the recess; a gate positioned at the outer surface of the insulating member in opposition to the protruding portion; and an anode positioned in opposition to the protruding portion through the gate. | 04-14-2011 |
20110095674 | Cold Cathode Lighting Device As Fluorescent Tube Replacement - A cold cathode lighting device is a fluorescent tube replacement and has a transparent tube, a cold cathode formed as a wire or rod with an electron emissive surface and passing through a center of the transparent tube. An extraction grid is formed around and spaced apart from the cold cathode and has an external diameter smaller than an inner diameter of the transparent tube. A phosphor material and a conductive material form an anode on an inner surface of the transparent tube. A vacuum is maintained within the transparent tube and a power conversion circuit in an end unit converts electrical power into a first potential applied to the cold cathode, a second potential applied to the extraction grid and a third potential applied to the anode. Electrons emitted from the cold cathode accelerate towards the anode and light is emitted from the fluorescent tube replacement light emitting device. | 04-28-2011 |
20110234085 | FIELD EMISSION DEVICE - A field emission device including: a first substrate on which at least one gate electrode line, at least one cathode line, and at least one electron emission source are formed; a second substrate on which an anode and a phosphor layer are formed; a side frame which is interposed between the first substrate and the second substrate and surrounds an area between the first substrate and the second substrate to form a sealed internal space, wherein the first substrate is offset from the second substrate by a predetermined length in a first direction perpendicular to a direction in which the first substrate and the second substrate are spaced apart from each other by the side frame; a rear terminal part through which a voltage is applied to the gate electrode line and the cathode line, and which is formed on a protruding region of the first substrate protruding by the predetermined length; and an anode terminal part through which a voltage is applied to the anode, wherein the anode terminal has a first end which contacts the anode, and a second end which is exposed to outside of the side frame. | 09-29-2011 |
20110234086 | FIELD EMISSION DEVICE - A field emission device includes: a first substrate on which a gate electrode line, a cathode line, and an electron emission source are formed; a second substrate disposed to face the first substrate, and on which an anode and a phosphor layer are formed; and a side frame surrounding an area between the first substrate and the second substrate, and forming a sealed internal space, wherein the first substrate and the second substrate respectively comprise a first protrusion part and a second protrusion part that protrude outside the side frame in the same direction, wherein a rear terminal part for applying a voltage to the gate electrode line and the cathode line is formed on the first protrusion part, wherein an anode terminal for applying a voltage to the anode is formed on the second protrusion part. | 09-29-2011 |
20110254434 | IMAGE DISPLAY APPARATUS - A display apparatus according to the present invention has a plurality of electroconductive layers outside of an image display area. Mutually adjacent ones of the electroconductive layers are electrically connected by a resistor. The resistor has a first region, and a second region which is more separated from the image display area than the first region. The area of the second region per unit length in the direction separating from the image display area is smaller than the area of the first region. | 10-20-2011 |
20110285272 | FIELD EMISSION DISPLAY DEVICE - A field emission display device (FED) is provided. The FED includes a first substrate, a phosphor layer being in contact with the first substrate, and an anode electrode on the phosphor layer. The FED further includes a second substrate facing the first substrate and including a cathode electrode and an emitter disposed toward the anode electrode. | 11-24-2011 |
20120007493 | LIGHT EMITTER SUBSTRATE AND IMAGE DISPLAYING APPARATUS USING THE SAME - To provide a light emitter substrate which is characterized in that discharge current reduction performance is excellent, plural phosphors are arranged in an X direction and a Y direction on a substrate, metal backs are arranged on the phosphors, ribs extending in the Y direction are arranged between the phosphors adjacent in the X direction, first resistors to electrically connect the metal backs adjacent in the Y direction are formed on the ribs respectively, and second resistors to electrically connect the metal backs adjacent in the X direction are formed under the ribs respectively. | 01-12-2012 |
20120032581 | PLASMA DISPLAY PANEL AND FIELD EMISSION DISPLAY - It is an object of the present invention to provide a PDP and an FED with excellent visibility and a high level of reliability that each have an antireflective function by which reflection of external light can be reduced. A plurality of adjacent pyramidal-shaped projections and an antireflective layer equipped with a covering film that covers the projections are provided. The reflection of light is prevented by the index of refraction of incident light from external being changed by a pyramid, which is a physical shape, projecting out toward an external side (atmosphere side) of a substrate that is to be used as a display screen as well as by the covering film used to cover the projections being formed of a material that has a higher index of refraction than the index of refraction of the pyramidal projection. | 02-09-2012 |
20120112625 | Vacuum flourescent display apparatus - To provide a vacuum fluorescent display apparatus that can be expected to enhance lifespan characteristics of a red phosphor that does not contain Cd when driven in a voltage range of 30V or above. | 05-10-2012 |
20120133269 | PIXEL TUBE FOR FIELD EMISSION DISPLAY - A pixel tube for field emission display includes a sealed container, an anode, a phosphor, and a cathode. The sealed container has a light permeable portion. The anode is located on the light permeable portion. The phosphor layer is located on the anode. The cathode is spaced from the anode and includes a cathode emitter. The cathode emitter includes a carbon nanotube pipe. One end of the carbon nanotube pipe has a plurality of carbon nanotube peaks. | 05-31-2012 |
20120176024 | Field emission lamp - A field emission lamp, capable of increasing the number of electron emitting points thereof, and of increasing the uniformity and the intensity of the light output therefrom by installing a mesh cathode is disclosed. The field emission lamp comprises: an outer shell having an inner surface, a mesh cathode unit surrounded by the outer shell, an anode unit formed on a portion of the inner surface of the outer shell, and a phosphor layer formed on a portion of the anode unit. Wherein, the light generated by the phosphor layer, due to the bombardment of the electrons, can output from the field emission lamp of the present invention, through the outer shell where none of the anode unit is formed thereon. | 07-12-2012 |
20120194058 | FIELD EMISSION ELECTRONIC DEVICE - The present disclosure provides a field emission electronic device. The field emission electronic device includes an insulating substrate, a first electrical conductor located on surface of the insulating substrate, a number of electron emitters connected to the first electrical conductor, a second electrical conductor spaced apart from and insulated from the first electrical conductor. Each of the number of electron emitters includes at least one electron emitter. Each of the electron emitters includes a carbon nanotube pipe. The carbon nanotube pipe includes a first end, a second end and a main body connecting the first end and the second end. The first end of the carbon nanotube pipe is electrically connected to one of the plurality of row electrodes. The second end of the carbon nanotube pipe has a number of carbon nanotube peaks. | 08-02-2012 |
20120248967 | DOUBLE-SIDED LIGHT EMITTING FIELD EMISSION DEVICE AND METHOD OF MANUFACTURING THE SAME - A double-sided light-emitting field emission device and method of manufacturing same, said device comprising at least two transparent conductive layers, mixed field emission layers, and transparent package device. Wherein, the mixed field emission layer of field emission source and phosphor are utilized directly to serve as anode and cathode alternatively, such that on applying an AC power supply, roles of anode and cathode are changed alternatively along with frequency, hereby forming double-sided light-emitting structure. Therefore, the applications of said double-sided light-emitting field emission device are pretty wide, and having advantages of protecting field emission source, activating field emission source, reducing field emission arcing effect, having conductive phosphor, and raising illumination. | 10-04-2012 |
20130015758 | REFLECTIVE ANODE STRUCTURE FOR A FIELD EMISSION LIGHTING ARRANGEMENTAANM Hu; Qiu-HongAACI GoteborgAACO SEAAGP Hu; Qiu-Hong Goteborg SE - The present invention relates to a field emission lighting arrangement, comprising a first field emission cathode, an anode structure comprising a phosphor layer, and an evacuated envelope inside of which the anode structure and the first field emission cathode are arranged, wherein the anode structure is configured to receive electrons emitted by the first field emission cathode when a voltage is applied between the anode structure and the first field emission cathode and to reflect light generated by the phosphor layer out from the evacuated chamber. | 01-17-2013 |
20130026906 | Triode-structured field emission display with anode and gate on the same substrate - The present invention relates to a triode field emission display with anode and gate on the same substrate, comprising anode-gate substrate and cathode substrate, parallel and adapted in the size; a number of strip-like cathode conducting layers arranged alternating on the cathode substrate; resistor layer for current limiting and dielectric layer for cathode protection are arranged alternately on the cathode conducting layer in the longitudinal direction; the electron emission materials are arranged on the resistor layer for current limiting; wherein the strip-like anode conducting layer and strip-like gate conducting layer on the anode-gate substrate are perpendicular to the strip-like cathode conducting layer on the cathode substrate, dielectric layer for isolation is arranged between the anode-gate and the cathode substrates, one end of the dielectric layer for isolation is connected to the dielectric layer for gate protection, the other end is connected to the dielectric layer for cathode protection. | 01-31-2013 |
20130063019 | VACUUM WINDOW WITH EMBEDDED INFORMATION DISPLAY - Disclosed are a semiconductor apparatus and a manufacturing method thereof. The manufacturing method of the semiconductor apparatus includes: forming a semiconductor chip on a semiconductor substrate; adhering a carrier wafer with a plurality of through holes onto the semiconductor chip; polishing the semiconductor substrate; forming a first via hole at the rear side of the polished semiconductor substrate; forming a first metal layer below the polished semiconductor substrate and at the first via hole; and removing the carrier wafer from the polished semiconductor substrate. | 03-14-2013 |
20130082588 | FIELD EMISSION DEVICE AND FIELD EMISSION DISPLAY HAVING SAME - A field emission device includes a cathode and a carbon nanotube (CNT) gate electrode. The CNT gate electrode which is electrically insulated from the cathode includes a CNT layer and a dielectric layer. The CNT layer which has a surface includes a number of micropores. The dielectric layer is coated on the surface of the CNT layer and an inner wall of each of the micropores. | 04-04-2013 |
20130119856 | FIELD EMITTING FLAT LIGHT SOURCE AND METHOD FOR MAKING THE SAME - A field emission flat light source and a manufacturing method thereof are provided. The field emission flat light source includes an anode ( | 05-16-2013 |
20130134864 | ELECTRON MULTIPLYING STRUCTURE FOR USE IN A VACUUM TUBE USING ELECTRON MULTIPLYING AS WELL AS A VACUUM TUBE USING ELECTRON MULTIPLYING PROVIDED WITH SUCH AN ELECTRON MULTIPLYING STRUCTURE - An electron multiplying structure for use in a vacuum tube using electron multiplying, the electron multiplying structure having an input face intended to be oriented in a facing relationship with an entrance window of the vacuum tube, an output face intended to be oriented in a facing relationship with a detection surface of the vacuum tube, wherein the electron multiplying structure at least is composed of a semi-conductor material layer adjacent the detection windows. Also disclosed is a vacuum tube using electron multiplying with an electron multiplying structure. | 05-30-2013 |
20130175918 | FIELD EMISSION ANODE PLATE, FIELD EMISSION LIGHT SOURCE AND MANUFACTURING METHOD FOR LIGHT SOURCE - A field emission anode plate ( | 07-11-2013 |
20130200776 | FIELD EMISSION CATHODE - The present invention relates to afield emission cathode, comprising an at least partly electrically conductive base structure, and a plurality of electrically conductive micrometer sized sections spatially distributed at the base structure, wherein at least a portion of the plurality of micrometer sized sections each are provided with a plurality of electrically conductive nanostructures. Advantages of the invention include lower power consumption as well as an increase in light output of e.g. a field emission lighting arrangement comprising the field emission cathode. | 08-08-2013 |
20130221836 | FIELD EMISSION ELECTRON SOURCE AND FIELD EMISSION DEVICE USING THE SAME - A field emission electron source includes a carbon nanotube micro-tip structure. The carbon nanotube micro-tip structure includes an insulating substrate and a patterned carbon nanotube film structure. The insulating substrate includes a surface. The surface includes an edge. The patterned carbon nanotube film structure is partially arranged on the surface of the insulating substrate. The patterned carbon nanotube film structure includes two strip-shaped arms joined at one end to form a tip portion protruded from the edge of the surface of the insulating substrate and suspended. Each of the two strip-shaped arms includes a plurality of carbon nanotubes parallel to the surface of the insulating substrate. A field emission device is also disclosed. | 08-29-2013 |
20140055027 | METHOD FOR FABRICATING FIELD EMISSION CATHODE, FIELD EMISSION CATHODE THEREOF, AND FIELD EMISSION LIGHTING SOURCE USING THE SAME - A method for fabricating field emission cathode, a field emission cathode, and a field emission lighting source are provided. The method includes: forming a catalyst crystallite nucleus layer on the surface of cathode substrate by self-assembly of a noble metal catalyst, growing a composited nano carbon material on the cathode substrate by using a TCVD process, in which the composited nano carbon material includes coil carbon nano tubes and coil carbon nano fibers. The measured quantity of total coil carbon nano tubes and coil carbon nano fibers is higher than 40%. The field emission cathode is fabricated by the aforementioned method, and the field emission lighting source includes the aforementioned field emission cathode. | 02-27-2014 |
20160020084 | SHAPED CATHODE FOR A FIELD EMISSION ARRANGEMENT - The present invention relates to a field emission lighting arrangement, comprising an anode and a cathode, where the shape of the cathode is selected based on the shape of a evacuated envelope in which the anode and cathode is provided. The inventive shape of cathode allows for an improved uniformity of an electric field provided between the anode and cathode during operation of the field emission lighting arrangement. The invention also relates to a corresponding method for selecting a shape of such a cathode. | 01-21-2016 |
20190148609 | LIGHT-EMITTING DEVICE | 05-16-2019 |