Class / Patent application number | Description | Number of patent applications / Date published |
313497000 | With accelerating or control electrode | 12 |
20080265743 | Green Light-Emitting Phosphor for Displays and Field-Emission Display Using Same - A green light-emitting phosphor for a display emits green light when excited by an electron beam of an acceleration voltage of 15 kV or less and is composed of particles of a manganese-activated zinc silicate phosphor having an average particle size of 1.0 to 2.0 μm. A field-emission display, comprises a phosphor layer including a blue light-emitting phosphor layer, a green light-emitting phosphor layer and a red light-emitting phosphor layer, an electron emitting source which emits an electron beam having an acceleration voltage of 15 kV or less onto the phosphor layer to make it to emit light, and an envelope which vacuum-seals the electron emitting source and the phosphor layer, wherein the green light-emitting phosphor layer includes the green light-emitting phosphor composed of the manganese-activated zinc silicate phosphor having an average particle size of 1.0 to 2.0 μm. | 10-30-2008 |
20090058258 | LIGHT EMISSION DEVICE AND DISPLAY DEVICE USING THE LIGHT EMISSION DEVICE AS ITS LIGHT SOURCE - A light emission device including first and second substrates facing each other, electron emission elements on the first substrate, an anode electrode with a phosphor layer on the second substrate, and spacers between the first and second substrates. Each spacer includes a spacer body comprising a dielectric material, a first coating layer on a first region of the spacer body, the first region being adjacent to the first substrate, and a second coating layer on a second region of the spacer body, the second region being adjacent to the second substrate, wherein a maximum secondary electron emission coefficient of the first coating layer under an operation voltage condition applied to the first region is about 0.8 to about 1 and a maximum secondary electron emission coefficient of the second coating layer under an operation voltage condition applied to the first and second regions is about 3 to about 16. | 03-05-2009 |
20090058259 | QUENCHED PHOSPHOR DISPLAYS WITH PIXEL AMPLIFICATION - Displays are described comprising electrically quenched phosphor pixels, in which light emissions by a phosphor pixel are inhibited by application of an electric field. Such pixels may be excited by UV and de-excited by applying a voltage to control the display. In an embodiment, a pixel amplifier structure may be included and added to the output of a quenched phosphor display. | 03-05-2009 |
20100133986 | LIGHT EMISSION DEVICE AND DISPLAY DEVICE USING SAME AS LIGHT SOURCE - A light emission device includes: a first substrate and a second substrate arranged opposite each other with a vacuum region therebetween; an electron emission region located at a side of the first substrate facing the second substrate; a driving electrode located on the first substrate and for controlling an emitting current amount (e.g., magnitude) of the electron emission region; an anode located at a side of the second substrate facing the first substrate; a phosphor layer on one surface of the anode and corresponding to pixel areas; and a spray coated Ag reflective layer covering the phosphor layer and having reflectivity between about 90% and about 99.9%. | 06-03-2010 |
20100283380 | ELECTRION BEAM APPARATUS AND IMAGE DISPLAY APPARATUS THEREWITH - In an electron beam apparatus including an electron emission element and an anode, the electron emission element includes a gate | 11-11-2010 |
20110025188 | Field emission lamp and method for making the same - A field emission lamp and method of fabricating the same are disclosed, the field emission lamp of the present invention comprising a lamp tube, an anode, at least one auxiliary electrode, a cathode, and an emitter layer. The anode comprises a transparent conductive layer and a phosphor layer, and the transparent conductive layer is made of ITO, IZO, AZO, GZO, zinc oxide, or the combination thereof. The auxiliary electrode of the field emission lamp of the present invention can shorten the electron transportation path length, increase the electron transportation efficiency, reduce the phenomenon of micro-discharges caused by electron charging, reduce the voltage loss, reduce the temperature increase of the phosphor layer and elongate the lifetime of the field emission lamp. | 02-03-2011 |
20110279013 | METHOD OF FORMING FIELD EMISSION LIGHT EMITTING DEVICE INCLUDING THE FORMATION OF AN EMITTER WITHIN A NANOCHANNEL IN A DIELECTRIC MATRIX - In accordance with the invention, there are field emission light emitting devices and methods of making them. The field emission light emitting device can include a plurality of spacers, each connecting a substantially transparent substrate to a backing substrate. The device can also include a plurality of pixels, wherein each of the plurality of pixels can include one or snore first electrodes disposed over the substantially transparent substrate, a light emitting layer disposed over each of the one or more first electrodes, and one or more second electrodes disposed over the backing substrate, wherein the one or more second electrodes and the one or more first electrode are disposed at a predetermined gap in a low pressure region. Each of the plurality of pixels can further include one or more nanocylinder electron emitter arrays disposed over each of the one or more second electrodes. | 11-17-2011 |
20120161609 | VACUUM ULTRAVIOLET LIGHT EMITTING DEVICE - A vacuum ultraviolet light emitting device comprising: a luminescence substrate which is composed of a transparent substrate of lithium fluoride, magnesium fluoride, calcium fluoride, barium fluoride or the like, and a metal fluoride thin-film layer formed on the transparent substrate and being a thin-film layer of a metal fluoride such as LuLiF | 06-28-2012 |
20120319561 | FIELD EMISSION PANEL, LIQUID CRYSTAL DISPLAY AND FIELD EMISSION DISPLAY HAVING THE SAME - A field emission panel, a liquid crystal display and a field emission display having the same are provided. The field emission panel includes a lower plate emitting electrons and an upper plate generating white light or a color image through collision with the electrons. The lower plate includes plural field emission elements, plural cathode electrodes and plural gate electrodes forming an electric field for electron emission from the electron emission elements, and a glass plate supporting the electron emission elements, the cathode electrodes, and the gate electrodes. The gate electrodes are arranged on an upper surface of the glass plate, and the glass plate has plural accommodation grooves for accommodating the plural electron emission elements and the plural cathode electrodes. | 12-20-2012 |
20130249382 | FIELD EMISSION DISPLAY AND FABRICATION METHOD THEREOF - A field emission display (FED) and a fabrication method thereof are disclosed. A lower plate of the FED includes: a cathode electrode formed on the substrate; a diffusion blocking layer formed on the cathode electrode; a seed metal layer formed on the diffusion blocking layer; carbon nano-tubes (CNTs) grown as single crystals from the grains of the seed metal layer; a gate insulating layer formed on the substrate on which the cathode electrode, the diffusion blocking layer, and the seed metal layer are formed, in order to cover the CNTs; and a gate electrode formed on the gate insulating layer. | 09-26-2013 |
20130313964 | Ultraviolet Light-Emitting Material And Ultraviolet Light Source - The invention provides a new ultraviolet light-emitting material and ultraviolet light source in which bacteriocidal performance, operating life, and luminescence efficiency are enhanced without any risk of adversely affecting human bodies. An ultraviolet light-emitting material has a composition as represented by Formula (A): | 11-28-2013 |
20140111083 | symmetric quadrupole structured field emission display without spacer - The present invention relates to a symmetric quadrupole structured field emission display without spacer comprising the upper and under substrates with a dielectric layer in between, wherein comb-like dielectric layer with lateral connection belts and a number of longitudinal working belts and longitudinal anodes are arranged on the upper substrate, bus electrodes are arranged longitudinally along the center on each anode, on the top, longitudinal alternating phosphor layer and dielectric layer for isolation on anode, gate electrodes are arranged on both sides of each longitudinal work belts, with the bus electrode as symmetry center, forming interdigital gate electrodes, horizontal cathode electrodes and longitudinal auxiliary electrodes are on the under substrate, resistor layer for current limiting and dielectric layer for cathode protection are arranged alternating horizontally on each cathode electrode, each intersect of the auxiliary electrode and cathode is isolated by the dielectric layer for cathode | 04-24-2014 |