WO2006112455A1 - 電子エミッタ、フィールドエミッションディスプレイ装置、冷陰極蛍光管、平面型照明装置、および電子放出材料 - Google Patents
電子エミッタ、フィールドエミッションディスプレイ装置、冷陰極蛍光管、平面型照明装置、および電子放出材料 Download PDFInfo
- Publication number
- WO2006112455A1 WO2006112455A1 PCT/JP2006/308111 JP2006308111W WO2006112455A1 WO 2006112455 A1 WO2006112455 A1 WO 2006112455A1 JP 2006308111 W JP2006308111 W JP 2006308111W WO 2006112455 A1 WO2006112455 A1 WO 2006112455A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- emitter
- electron
- type compound
- electron emitter
- panel
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/30—Cold cathodes, e.g. field-emissive cathode
- H01J1/304—Field-emissive cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
- H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
- H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
- H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
- H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
- H01J31/123—Flat display tubes
- H01J31/125—Flat display tubes provided with control means permitting the electron beam to reach selected parts of the screen, e.g. digital selection
- H01J31/127—Flat display tubes provided with control means permitting the electron beam to reach selected parts of the screen, e.g. digital selection using large area or array sources, i.e. essentially a source for each pixel group
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
- H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
- H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
- H01J31/15—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen with ray or beam selectively directed to luminescent anode segments
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J63/00—Cathode-ray or electron-stream lamps
- H01J63/02—Details, e.g. electrode, gas filling, shape of vessel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J63/00—Cathode-ray or electron-stream lamps
- H01J63/06—Lamps with luminescent screen excited by the ray or stream
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/022—Manufacture of electrodes or electrode systems of cold cathodes
- H01J9/025—Manufacture of electrodes or electrode systems of cold cathodes of field emission cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2201/00—Electrodes common to discharge tubes
- H01J2201/30—Cold cathodes
- H01J2201/304—Field emission cathodes
- H01J2201/30446—Field emission cathodes characterised by the emitter material
Definitions
- Electron emitter field emission display device, cold cathode fluorescent tube, flat illumination device, and electron emission material
- the present invention relates to an electron emitter, a field emission display device, a cold cathode fluorescent tube, a flat illumination device, and an electron emission material.
- a field emission display device (hereinafter referred to as FED)
- FED field emission display device
- a large number of micro-electron sources each having a micro-size electron emitter that emits electrons are arranged for each pixel, and is opposed to this.
- the phosphor on the positive electrode arranged in this manner emits light by electron beam excitation and displays an image.
- High-definition display is possible, and it can be made much thinner than CRT panels, so it is expected as a large-screen flat display.
- cold cathode fluorescent tubes and flat-type lighting devices use a micro-electron source equipped with an electron emitter that emits electrons by a strong electric field. By reducing the tube diameter, the brightness of the device and the size of the device itself are reduced. Therefore, it is expected as a backlight for non-luminous display devices such as liquid crystals.
- the micro electron source includes a Emittapaneru provided with an electron Emitta, have been arranged by the anode panel and force opposing having a positive electrode, a space between the Emittapaneru the anode panel is typically 10 one 3-10 _5 Pa (absolute pressure, the same shall apply hereinafter) is maintained at a high vacuum.
- a high voltage between the electron emitter and the positive electrode the electron emitter electron beam is emitted, and the phosphor provided on the positive electrode is excited by the electron beam to emit light.
- a micro-electron source 1 having a two-pole configuration shown in a schematic cross-sectional view in FIG. 4 includes a negative electrode 4a provided with an electron emitter 2 having an electron-emitting material force processed into a conical shape or a needle shape, a negative electrode 4a, And a positive electrode 3a disposed in the opposite direction.
- the electron emitter 2 is supplied with power by the negative electrode 4a.
- Figures 5 and 6 are examples of a conventional micro electron source having an extraction electrode 5 for applying a higher electric field to the electron emitter, respectively, and Fig. 5 is a micro electron source 6 having a three-pole configuration. Out FIG.
- FIG. 3 is a schematic cross-sectional view of a planar micro electron source 7 having a three-pole configuration in which a thin electrode is arranged in parallel on a glass substrate 13.
- the electron emitter is made of a metal such as molybdenum (Mo) or carbon.
- Equation (2) Field Emission Display Technology
- A emission area (m 2 )
- ⁇ electric field concentration factor (m _1 )
- ⁇ work function (eV).
- the electron emitter In order to facilitate the driving of a micro-electron source, it is required to be able to drive at a low voltage. Especially in applications such as FED where the emission of electrons is controlled by turning the driving voltage on and off, Low voltage is necessary.
- Equation (1) and Equation (2) in order to increase the emission current of the electron emitter force, in addition to setting the applied voltage to a high voltage, the electron emitter is made of a material having a small work function. It is effective to increase the electric field concentration factor, or to narrow the distance between the electron emitter and the gate electrode or the positive electrode.
- Metals such as molybdenum (Mo) and carbon are not so low as a work function force eV, which is one of the indexes of electron emission, so in order to emit electrons in a low electric field. It is necessary to increase the electric field concentration coefficient by forming a fine needle-like structure.
- molybdenum it is processed into a conical shape with a height of about 1 / zm.
- carbon it is synthesized and used in a linear structure with a diameter of several lOnm, such as a carbon nanotube.
- the sharply shaped electron emitter has a difficult electrode force, and narrowing the electrode spacing causes problems in device fabrication and reliability. Therefore, electron emitters, FEDs using them, and cold cathode fluorescent tubes It was difficult to manufacture.
- the conductive mayenite type compound shows a very small work function of 0.6 eV.
- it was necessary to apply a very large voltage of 1.5 kV or more at room temperature (Non-patent Document 1).
- Non-Patent Document 1 Adv. Mater, vol. 16, p. 685— 689, (2004)
- the present invention has been proposed to solve the above problems, and is an electron emitter that can be easily manufactured and can emit electrons at a low driving voltage, and a field emission display using the electron emitter.
- a conductive mayenite type compound powder that is easy to manufacture and can emit electrons at a low driving voltage, which is used in the apparatus, a cold cathode fluorescent tube, a flat illumination device, and an electron emitter.
- the present invention relates to a mayenite represented by a chemical formula of 12CaO-7AlO or 12SrO'7AlO.
- a conductive mayenite type compound powder containing at least 50 mol% of any of the above compounds and having a maximum particle size of 100 ⁇ m or less is fixed to the substrate with its surface exposed.
- the conductive mayenite type compound powder has a particle size distribution in which 90% or more of the particles have a particle size of 0.1 to 50 / ⁇ ⁇ by pulverization.
- the present invention is also a field emission display device in which an emitter panel and an anode panel are arranged to face each other, and the field emission display device has a space between the emitter panel and the anode panel. Maintained at a higher vacuum than 10 _3 Pa
- the anode panel includes a transparent electrode serving as a positive electrode and a phosphor, and a voltage is applied between the electron emitter and the positive electrode from an external power source to emit the electron emitter force.
- a field emission display device for emitting phosphors by the emitted electrons, wherein the emitter panel includes the electron emitter.
- the present invention further relates to a cold cathode fluorescent tube and Emittapaneru the anode panel is arranged to face the cold cathode fluorescent tube, the Emittapaneru and the space between the anode panel 10 _3
- the anode panel is a transparent electrode that is maintained at a higher vacuum than Pa and the anode panel is the positive electrode.
- a cold cathode fluorescent tube comprising an electrode and a phosphor, wherein a voltage is applied from an external power source between the electron emitter and the positive electrode to cause the electron emitter force to emit electrons, and the emitted electrons emit light.
- the emitter panel includes the electronic emitter.
- the present invention is also a planar illumination device in which an emitter panel and an anode panel are arranged to face each other, and the planar illumination device has a space between the emitter panel and the anode panel.
- _3 Pa is maintained at a vacuum higher than 3 Pa, and the anode panel is provided with a transparent electrode and a phosphor.
- a voltage is applied between the electron emitter and the positive electrode from an external power source, and the electron emitter power
- a flat illuminating device that emits and illuminates a phosphor by the emitted electrons, wherein the emitter panel includes the electron emitter.
- the present invention relates to a MyCa represented by a chemical formula of 12CaO'7AlO or 12SrO'7AlO.
- a conductive mayenite-type compound powder for an electron emitter that contains at least 50 mol% of any of the enenite-type compounds and has a maximum particle size of 100 ⁇ m or less.
- the conductive mayenite type compound powder for an electron emitter has a particle size distribution in which 90% or more of the conductive mayenite type compound powder has a particle size distribution of 0.1 to 50 ⁇ m.
- the conductive mayenite type compound powder is a powder obtained by pulverizing a conductive mayenite type compound formed by heat-treating a precursor, wherein the precursor contains carbon and the precursor contains A carbon-containing precursor containing 0.2 to 11.5% of the number of carbon atoms relative to the total number of atoms of Ca, Sr and A1 is preferable.
- the pulverization is performed by a mechanical pulverization method without using water.
- an electron emission material that is easy to manufacture and can emit electrons at a low driving voltage is obtained.
- this electron emission material it is easy to manufacture, and an electron emitter capable of emitting electrons with a low applied voltage force and obtaining a large emission current for the same applied voltage can be obtained.
- a field emission display device, a cold cathode fluorescent tube, and a flat illumination device that are easy to manufacture and can be driven at a low voltage are realized.
- FIG. 1 is a schematic cross-sectional view of a bipolar micro electron source of the present invention.
- FIG. 2 is a schematic cross-sectional view of a tripolar micro electron source of the present invention.
- FIG. 3 is a schematic cross-sectional view of a planar triode micro electron source of the present invention.
- FIG. 4 is a schematic cross-sectional view of a conventional bipolar micro-electron source.
- FIG. 5 is a schematic cross-sectional view of a conventional tripolar micro electron source.
- FIG. 6 is a schematic cross-sectional view of a prior art planar tripolar micro electron source.
- FIG. 7 is a schematic cross-sectional view of a field emission display device of the present invention.
- FIG. 8 is a schematic cross-sectional view of the cold cathode fluorescent tube of the present invention.
- FIG. 9 is a schematic cross-sectional view of the flat illumination device of the present invention.
- FIG. 10 is a graph showing the characteristics of the emission current with respect to the applied voltage of the electron emitters of Example 2 and Example 3 of Example.
- Micro electron source (electron emitter) of the present invention Micro electron source (electron emitter) of the present invention
- Atmospheric gas consisting of mercury vapor and rare gas
- the conductive mayenite type compound has a small work function, there is a problem that it is necessary to apply a high voltage to emit electrons.
- the powder particles showed a complicated shape with many corners, and a much larger electric field concentration factor ⁇ 8 than a sphere of the same maximum particle size. I found. Then, the powder exposes the surface to form an electron emitter fixed on the electrode, and a voltage is applied between the anode and the oppositely arranged anode, thereby reducing electron emission at a low driving voltage and a large amount.
- the present invention was completed by observing a powerful phenomenon that could be expected in the past, such as the emission current.
- FIG. 1 is a schematic cross-sectional view of a micro-electron source 8 having a two-pole configuration using an electron emitter 9 of the present invention.
- An emitter panel 40 having an electron emitter 9 and an anode panel having a positive electrode 3a formed on a substrate 3 30 and force are arranged opposite each other.
- the electron emitter 9 of the present invention is fixed on the negative electrode 4a formed on the surface of the substrate 4 by the conductive adhesive layer 12 with the surface exposed, and the space between the electron emitter and the positive electrode is not
- the vacuum is 10 _3 Pa or less.
- FIG. 3 A pole configuration (tripolar microelectron source 10) or a planar configuration (planar microelectron source 11) whose schematic cross-sectional view is shown in FIG. 3 may be employed.
- the tripolar microelectron source 10 shown in FIG. 2 can further apply a higher electric field to the electron emitter by providing the extraction electrode 5 in the configuration of the dipole microelectron source.
- the planar micro-electron source 11 in FIG. 3 has a feature that a micro-electron source can be formed by a manufacturing method based on the current film forming technology.
- the electron emitter of the present invention is represented by a chemical formula of 12CaO′7AlO or 12SrO′7AlO.
- the powder strength of the conductive mayenite type compound having a maximum particle size of 100 ⁇ m or less and containing at least 50 mol% is also obtained.
- This conductive mayenite type compound powder is expressed by the chemical formula of 12CaO-7AlO or 12SrO'7AlO.
- a conductive mayenite type compound powder containing at least 50 mol% of any of the knight type compounds it does not contribute to electron emission, and the ratio of particles increases so that a desired current cannot be obtained.
- it is preferably 70 mol% or more. In order to obtain a large current, it is preferable to be 90 mol% or more.
- the conductive mayenite type compound powder has a maximum particle size of 100 m or less, preferably 50 m or less, and more preferably 30 m or less. If the maximum particle size is larger than 100 ⁇ m, the emitter may not be miniaturized.
- the conductive mayenite type compound powder preferably has a conductivity of 0.1 lSZcm or more. If the conductivity is low, the work function increases and the voltage required for electron emission increases, and excessive Joule heat is generated when the electrons are emitted, which may cause the emission of the adsorbed gas to deteriorate the emitter. .
- the method for producing a conductive mayenite-type compound powder having a high conductivity is not particularly limited! / ⁇ is a conductive mayenite formed by heat-treating a carbon-containing precursor containing a carbon atom.
- a method of pulverizing and producing a mold compound is exemplified.
- the carbon-containing precursor has a molar ratio of CaO or SrO to Al 2 O in terms of oxide of 11.8: 7.2 to
- the carbon atoms of the carbon-containing precursor are preferably contained in an amount of 0.2 to L 1.5% in terms of the ratio of the number of carbon atoms to the total number of Ca, Sr and A1 contained.
- the heat treatment is preferably a heat treatment in which the carbon-containing precursor is heated and held at 900 to 1470 ° C. in a low oxygen atmosphere having an oxygen partial pressure of 1 OPa or less, and then cooled at a predetermined cooling rate. By this heat treatment, the carbon-containing precursor is crystallized and reduced to be a conductive mayenite type compound.
- An atmosphere having an oxygen partial pressure of lOPa or less can be easily realized using industrially available high purity gas. Further, since the carbon-containing precursor and the conductive mayenite type compound do not melt at the heat treatment temperature, the heat treatment can be performed with a simple apparatus.
- This carbon-containing precursor provides the desired composition of CaO, SrO, Al 2 O, and carbon atoms.
- the raw materials for CaO, SrO and Al O are not limited to oxides,
- Carbonate, hydroxide, etc. may be used as appropriate.
- the amount of carbon atoms mixed in the raw material is preferably adjusted such that the amount of carbon atoms contained in the carbon-containing precursor prepared by melting becomes a desired value.
- carbon atoms to be mixed in the raw material powders such as amorphous carbon, dalafite, and diamond are preferably used, but acetylide compounds, covalent or ionic metal carbides, or hydrocarbon compounds may be used. Good.
- a carbon container may be used for melting in an atmosphere having an oxygen partial pressure of 10 to 15 Pa or less, and carbon atoms may be dissolved in the melt by reaction with the container. If the oxygen partial pressure at the time of melting exceeds lOPa, the carbon content in the resulting carbon-containing precursor may vary.
- the melting temperature is above 1470 ° C, preferably above 1550 ° C.
- the heat treatment is performed on the granular precursor obtained by roughly pulverizing the carbon atom-containing precursor so that the maximum particle diameter is preferably 1 to L00 m.
- An increase in the surface area facilitates the reduction reaction, which is preferable because high conductivity can be easily obtained at a low heat treatment temperature.
- the maximum particle size should be 100 m or less. It is preferable to do. If the maximum particle size is 1 m or less, the particles may aggregate.
- the conductive mayenite compound formed in this way is 12CaO '7Al O or 12
- At least a part of the mayenite type compound represented by the chemical formula of SrO-7AlO is [Ca A1
- the conductive mayenite type compound obtained in this way is pulverized, it is cracked in a shell-like or smooth fracture surface such as glass or immediately, thereby causing a sharp angle between the original material surface and the fracture surface. Thus, a powder having a shape that facilitates electron emission is obtained. Therefore, when the conductive mayenite type compound obtained in the above-mentioned process is pulverized so as to have a desired particle size distribution, a conductive mayenite type compound powder for electron emitters having excellent electron emission characteristics is obtained. .
- the pulverization is preferably performed so that a powder having sharp corners is obtained and the corners of the powder are not rounded.
- the conductive mayenite compound obtained in the above-mentioned process is mechanically pulverized by applying compression, shearing and frictional force to the material using a hammer such as metal or ceramics, a roller or a ball.
- a hammer such as metal or ceramics
- the pulverizer that performs such pulverization include a stamp mill, a roller mill, a ball mill, a vibration mill, a planetary mill, and a jet mill.
- water is not used and mechanically pulverized.
- an organic solvent may be used. Examples include isopropyl alcohol and toluene.
- a jet mill in which particles are entrained in an air stream and pulverized by collision between the particles can be pulverized without using water, and is more preferable because it contains less foreign matter.
- a jet mill for example, particles having a particle diameter of 1 mm or less are carried with air at a flow rate of 100 LZ and put into a grinding chamber to obtain a desired powder. If necessary, finer particles can be obtained by pulverizing the powder again with a jet mill.
- the pulverization is performed such that the maximum particle size of the obtained conductive mayenite type compound powder is 100 ⁇ m or less.
- the maximum particle size is larger than 100 m, it is difficult to reduce the size of the micro electron source using the electron emitter of the present invention. It is also preferable to remove particles having a particle size of 100 m or more by classifying them using, for example, a sieve, an air classifier or a liquid classifier using centrifugal force or sedimentation speed.
- the pulverization has a particle size of 90% or more. It is preferably carried out so as to have a particle size distribution of preferably 0.1 to 50 m, particularly preferably 0.2 to 20 m.
- the particle size is less than 0.1 ⁇ m and the particle content is 10% or more, the particles aggregate to make it difficult to produce a conductive mayenite type compound powder for an electron emitter, and are fixed to the negative electrode as an electron emitter. Sometimes the electric field concentration effect may not be sufficiently obtained. If more than 10% of particles with a particle size of more than 50 ⁇ m are included, the number of electron emitters that can be arranged per unit area of the micro-electron source is reduced, so that the emission current density is reduced and the required luminance cannot be obtained. There is a fear.
- the maximum particle size of the conductive mayenite type compound powder is preferably 5 ⁇ m or less in order to form an electron emitter in a desired region with high productivity. At this time, 90% or more of the particles preferably have a particle size of 0.2 to 4 m.
- the conductive mayenite type compound powder used as the electron emitter is preferably sufficiently exposed on the surface of the powder in order to efficiently emit electrons. However, if it contains 10% or more of less than 0.2 m, the conductive The surface of the mayenite type compound powder may not be sufficiently exposed. If it is contained at 10% or more at 4 m super strength, the number of particles of the conductive mayenite type compound powder that can be arranged in the micro electron source is reduced, and there is a possibility that a sufficient amount of electron emission may not be obtained.
- the maximum particle size of the conductive mayenite type compound powder is 20 m or less because high luminance is easily obtained.
- 90% or more of the particles preferably have a particle size of 0.2 to 20 m. 0. If the content is less than 10%, the surface of the conductive mayenite type compound powder may not be sufficiently exposed when the electron emitter is formed. If more than 20 ⁇ m is contained in an amount of 10% or more, the number of particles of the conductive mayenite type compound powder per unit area may decrease, and a sufficient amount of electron emission may not be obtained.
- the conductive mayenite type compound powder thus obtained has excellent electron emission characteristics, and when used as an electron emitter, electrons can be emitted at a low applied voltage, and a large electron emission current can be obtained. Electron emitters using this conductive mayenite-type compound powder are conventional electronic materials that finely process metals such as molybdenum and carbon, or use nanometer-scale microstructures such as carbon nanotubes. Emi Can be manufactured easily and at low cost.
- a micro electron source using the conductive mayenite type compound powder as an electron emitter includes an emitter panel having an electron emitter and an anode panel, and is manufactured as follows using a glass substrate with a transparent electrode. be able to. Of course, other manufacturing methods can be used or the configuration can be changed, and the present invention is not limited to the following description.
- the emitter panel 40 may be formed using a glass substrate with a transparent electrode in which a transparent electrode used as a negative electrode (4a in FIGS. 1 to 3) is formed on a glass substrate (4 in FIGS. 1 to 3). It is preferable.
- a transparent electrode used as a negative electrode 4a in FIGS. 1 to 3
- ITO coated with sputtering indium oxide doped indium oxide
- Tin oxide or an extremely thin metal film such as Ag, Au, or Cu is preferably used.
- the conductive mayenite type compound powder used as the electron emitter 9 needs to have a particle surface exposed.
- the conductive mayenite-type compound powder which is regarded as the electron emitter 9, is coated with the adhesive layer 12 on the transparent electrode 14 and dispersed and fixed on the transparent electrode 14, or the conductive powder is exposed to the surface during application. It is preferably formed by applying an adhesive in which a large amount of mayenite type compound powder is dispersed. Examples of the method for applying the adhesive include screen printing, ink jet printing, and spin coating.
- any adhesive can be used as long as the adhesive can be applied on the transparent electrode and the conductive mayenite type compound powder can be held on the transparent electrode. It is preferable that it is an agent. Further, it is preferable that the amount of gas released in vacuum is small after forming the adhesive layer. This is because a large amount of outgassing may impair the degree of vacuum in the space around the electron emitter and induce arc discharge, which may damage the electron emitter and surroundings.
- a base for fixing the conductive mayenite type compound powder to form an electron emitter a base to which a force using a glass substrate with a transparent electrode is applicable is not limited thereto.
- the electron emitter of the present invention is used for a light-emitting element and the substrate power of the electron emitter is not taken out, it is also possible to use a substrate with an electrode that has a non-transparent material force such as metal or ceramics.
- the anode panel 30 has a glass substrate (reference numeral 3 in FIGS. 1 to 3) and a positive electrode (reference numeral 3a in FIGS. 1 to 3). It is preferable to use a glass substrate with a transparent electrode on which a transparent electrode to be used is formed. As the transparent electrode, the same transparent electrode as that used in the emitter panel can be used.
- the emitter panel 40 and the anode panel 30 are disposed at a predetermined interval with the electrode surfaces facing each other, and the space between the electron emitter 9 and the positive electrode 3a is 10 13 to 3 . Maintained in a high vacuum of 10 _ 5 Pa.
- the gap between the emitter panel 40 and the anode panel 30 is 3 to 20 ⁇ m, and electrons are applied by applying a high voltage between the negative electrode 4a and the positive electrode 3a.
- Emitter 9 emits electrons.
- the applied voltage is typically several hundred volts, and the positive electrode has a higher potential.
- the micro-electron source having a three-pole configuration according to the present invention includes three electrodes, ie, an emitter panel 40, an anode panel 30, and an extraction electrode 5.
- the distance between the electron emitter 9 and the extraction electrode 5 is 3 to 20 ⁇ m.
- a voltage of 10 to LOOV (the positive electrode is higher potential) is applied to emit electrons.
- the distance between the extraction electrode 5 and the positive electrode 3a is 0.5 to 4 mm, and is typically emitted from the electron emitter 9 by applying a high voltage of several kV (the positive electrode has a higher potential). The electrons are accelerated and incident on the positive electrode.
- a phosphor layer having a phosphor power is disposed on the positive electrode 3a, it is possible to emit light by being excited by the emitted electrons. Further, between the sky between the electronic Emitta 9 and the positive electrode 3a, for example, a mixed gas atmosphere of mercury vapor and rare gas pressure 10- 1 ⁇ 10 _3 Pa, ultraviolet rays excite the mercury atoms by the emitted electrons It is also preferable that the phosphor layer 28 is excited by this ultraviolet ray to emit light.
- the substrate and electrode on the side do not need to be transparent, so it is not always necessary to use glass or a transparent electrode, and other substrates and electrodes may be used.
- a force FED for explaining a field emission display device (FED) using the conductive mayenite type compound powder and the electron emitter of the present invention with reference to FIG. 7 is not limited to the following description!
- the FED shown in FIG. 7 has a three-pole configuration including an extraction electrode 17, and is an emitter in which an electron emitter 15 and an extraction electrode 17 having conductive mayenite type compound powder force are formed. And a positive electrode 20 and an anode panel including a phosphor layer 19 formed on the positive electrode. On the emitter panel, a large number of transparent electrodes 14 and extraction electrodes 17 connected to the electron emitter 15 are patterned and periodically arranged, and voltage can be applied independently from the outside to each of them. Yes.
- a high voltage applied between the transparent electrode 14 and the extraction electrode in which a desired high voltage is applied to each electrode of the FED of this configuration using an external power source, and the conductive mayenite type compound powder force is also present (Typically 10 ⁇ :
- the positive electrode has a higher potential at LOOV)
- the surface force of the electron emitter 15 is also emitted, and the electrons that have passed through the opening of the extraction electrode 17 are extracted.
- Is accelerated by a high voltage applied between the cathode 20 and the cathode 20 typically, the cathode has a higher potential at several kV) and is incident on the phosphor layer 19 to excite the phosphor to emit light.
- each of the micro electron sources formed in large numbers on the emitter panel can be applied with a voltage independently from the outside, so that it can be driven for each pixel to perform a desired display.
- the glass substrate 13 on which the transparent electrode 14 is formed is preferably used.
- the electron emitter 15 applies a conductive adhesive to the surface of the transparent electrode 14 to form a conductive adhesive layer 16, sprays a conductive mayenite type compound powder thereon, and then solidifies the conductive adhesive. Formed.
- the conductive mayenite type compound powder used as the electron emitter 15 is fixed to the substrate surface with the surface of the powder exposed, and is electrically connected to the transparent electrode 14 on the glass substrate 13 by the conductive adhesive layer 16. Connected to.
- the extraction electrode 17 is formed by forming an insulator layer 18 on the transparent electrode 14 and laminating a conductive layer on the insulator layer 18.
- An example of the insulator layer 18 is a layer made of diacid silicate key polyimide having a thickness of 1 to 20 m formed in a desired pattern. This insulator layer is formed into a desired pattern by patterning during or after the formation of the layer having the insulator strength.
- the extraction electrode 17 is formed by being laminated on the insulator layer 18 and has a desired pattern during or after the formation, similar to the insulating layer.
- Examples of the extraction electrode 17 include a metal film such as A1 or Cr formed by sputtering and a pattern, or a wiring pattern obtained by screen printing a paste containing fine metal particles such as silver or copper. .
- the thickness is not particularly limited as long as conduction is obtained, but is preferably 0.1 to 5 / ⁇ ⁇ .
- the opening width between adjacent extraction electrodes 17 should be smaller than the width of one pixel, typically 5 to: LOO ⁇ m, and preferably 10 to 20 ⁇ m. If it is less than 5 ⁇ m, high-definition patterning is required, which increases the cost and is not preferable. If it exceeds 100 m, the electric field may be weak at the center of the aperture, and electron emission may not be sufficient. In order to display with more uniform brightness within the pixel, 20 m or less is preferable. In order to obtain sufficient luminance and to enable easy manufacture, 10 m or more is preferable.
- the anode panel is formed by stacking the phosphor layer 19 on the transparent electrode 20 of the glass substrate with a transparent electrode, and the transparent electrode 20 is used as a positive electrode.
- a thin metal film such as A1 may be formed on the surface of the phosphor layer 19 to prevent charging!
- the anode panel and the emitter panel face each other on the surface on which the electrodes of the substrate are formed, take out a terminal (not shown) that feeds power to the positive electrode, each negative electrode, and the extraction electrode, and place them on the periphery.
- the inside is laminated and integrated with a vacuum seal 1
- the distance between the electron emitter 9 and the extraction electrode 5 is preferably 3 to 20 ⁇ m. If it is less than 3 ⁇ m, it is difficult to manufacture and insulation may not be maintained. If it exceeds 20 m, the voltage required for electron emission becomes high, and an expensive drive circuit may be required or the drive may be difficult.
- the distance between the extraction electrode 5 and the positive electrode 3a is preferably 0.5 to 4 mm. If it is less than 0.5 mm, arc discharge may be induced between the two panels, and if it exceeds 4 mm, the convergence of emitted electrons may be reduced and the display quality may be reduced.
- an FED device can be manufactured easily and at low cost.
- the cold cathode fluorescent tube shown in FIG. 8 includes two pairs of electron sources having a negative electrode 22 and a positive electrode 25 in a cylindrical glass tube 26 coated with a phosphor layer 28 on its inner surface. Yes. After the internal cold cathode tube which is evacuated to a high vacuum, mixed gas of mercury vapor and rare gas pressure 10- 1 ⁇ 10 _3 Pa is sealed is sealed.
- an electron emitter 23 including a conductive mayenite type compound powder is fixed by a conductive adhesive layer 24 with the particle surface exposed, and the positive electrode 25 is a grid-like metal mesh electrode. There will be power.
- the negative electrode 22 and the positive electrode 25 are arranged in close proximity to each other, and a voltage can be applied independently from the outside.
- the surface of the electron emitter 23 that also has a conductive mayenite type compound powder force can be obtained. Electrons are emitted. Some of the emitted electrons are captured by the positive electrode 25, but the electrons that have passed through the metal mesh electrode without being captured excite mercury atoms in the atmosphere gas 27 to generate ultraviolet rays, which are then emitted from the phosphor layer. 28 is excited to emit light. According to this method, an electron emitter capable of being driven at a low voltage and capable of taking a large electron emission current can be manufactured easily and at low cost, so that a cold cathode fluorescent tube can be obtained with high productivity and low cost.
- the flat illumination device having the configuration shown in FIG. 9 includes an anode panel and an emitter panel, which are each made of a glass substrate with a transparent electrode, and are arranged so as to face each other. Use a three-pole micro-electron source.
- an electron emitter 15 made of the above-mentioned conductive mayenite compound powder is fixed on a transparent electrode 14 used as a negative electrode by a conductive adhesive layer 16 with the surface of the powder exposed.
- the anode panel is formed by laminating a phosphor layer 19 on a transparent electrode 20 used as a positive electrode.
- the phosphor layer 19 is formed, for example, by applying a photosensitive slurry containing a phosphor, and is formed by photolithography after being formed as necessary.
- ZnO: Zn is used as the phosphor.
- a thin conductive film such as an A1 film may be formed on the surface of the phosphor layer 19 to prevent charging.
- a metal mesh woven with metal wires, a perforated metal plate, or the like made of a metal such as stainless steel, aluminum, or niobium can be preferably used. Thickness 20-30 0 ⁇ m is preferred.
- the opening of the mesh is typically 20 to: LOO ⁇ m is preferable and the opening ratio (opening area Z total area) is preferably 20 to 70%.
- a stainless steel mesh woven in a 150 m square lattice shape with a stainless steel wire of ⁇ and a wire diameter of 100 m is exemplified.
- the mesh-shaped extraction electrode 29 is electrically insulated from the electron emitter 15 and the positive electrode 20, and is held at a predetermined distance.
- the distance between the mesh surface of the extraction electrode 29 and the emitter panel and the tip of the electron emitter is preferably 20 to 500 m.
- An insulating spacer 50 is provided on the periphery of the emitter panel, or a spherical spacer made of an insulator (see Fig. 5) is used to prevent a short circuit due to contact between both electrodes. (Not shown) is preferably distributed over the entire surface between both electrodes.
- a spherical spacer having an insulating force is exemplified by using silica spheres having a diameter of 50 m arranged at a rate of 1 per 1 mm 2 of electrode, and a mesh-like extraction electrode 29 is used. It is further preferable to arrange it by adhering to the electron emitter side because the shielding by the extraction electrode can be minimized. Further, it is preferable that the mesh-like extraction electrode 29 and the anode panel have a distance force between the mesh surface of the extraction electrode and the surface of the phosphor layer of 0.5 to 4 mm.
- the anode panel and the emitter panel face each other and are laminated and integrated with a vacuum seal around the periphery, and the interior is evacuated to a high vacuum state of 10 _3 to 10 _5 Pa and then sealed.
- the planar illumination device of this configuration is configured to apply conductive voltage to each of the positive electrode 20, the transparent electrode 14 as the negative electrode, and the extraction electrode 29 from an external power source (not shown).
- Electron emitter 15 which also has a type compound powder force releases the surface force of electron emitter 15 to a voltage applied between mesh-shaped extraction electrode 29 and positive electrode 20 (typically several kV and the positive electrode has a higher potential. )
- a voltage applied between mesh-shaped extraction electrode 29 and positive electrode 20 typically several kV and the positive electrode has a higher potential.
- Examples of voltages applied between the negative electrode and the positive electrode are 70V and 2kV, respectively.
- the negative electrode and the positive electrode are formed on one surface. Pattering is preferable because the electron emitter can be divided and driven, which increases the degree of illumination freedom. By using the electron emission emitter according to the present invention, it becomes easy to manufacture, and it can be expected to further reduce the manufacturing cost.
- a carbon-containing calcium aluminate glass raw material is prepared by adding 0.8% of carbon powder in the ratio of the number of atoms to the total number of atoms. Next, it was melted at 1650 ° C. and vitrified to produce a barta-like carbon-containing calcium aluminate glass. When the obtained glass was analyzed by Raman spectroscopy, carbon was contained in the glass in the state of C 2_ ions.
- the carbon atoms contained in the glass obtained by the secondary ion analysis method and the combustion analysis method are 0.5 in terms of the ratio of the number of atoms to the total number of atoms of Ca, Al, and Si in the glass. It was confirmed that it was%.
- This carbon-containing calcium aluminate glass was coarsely pulverized to a maximum particle size of 100 m, and heat treatment was performed in a nitrogen atmosphere at 1300 ° C for 3 hours to obtain a conductive mayenite type compound.
- the obtained conductive mayenite type compound was crushed in an alumina mortar without using water, and the maximum particle size was 100 m, and the particle size distribution of 90% or more powder was 0.1 to 50 / ⁇ ⁇ .
- a conductive mayenite type compound powder was obtained.
- a micro-electron source 8 having a bipolar structure shown in FIG. 1 was produced.
- a glass substrate 4 with a transparent electrode having a transparent electrode formed on one side and apply a conductive paste (Dotite manufactured by Fujikura Kasei Co., Ltd.) on the transparent electrode 4a.
- This powder was sprayed on the surface.
- a Emittapaneru 10 of the present embodiment and the solvent was solid of sufficient volatilized allowed conductive paste by vacuuming the substrate to 5 X 10 _4 Pa degree of vacuum below a vacuum vessel.
- conductive mayenite type An electron emitter 9 having a compound powder force is fixed on the negative electrode 4a with the surface exposed by a conductive adhesive layer 12 made of a solidified conductive paste.
- Another glass substrate with the same transparent electrode was prepared for use as the anode panel 3, and the emitter panel and the anode panel were arranged to face each other. At this time, the distance between the emitter panel and the anode panel is maintained such that the distance between the upper end of the electron emitter 9 and the surface of the positive electrode (not shown) on the anode panel surface is 0.3 mm. ) And evacuated to 5 X 10 _4 Pa or less. The current flowing between the two electrodes was measured by using an external power supply to the two-electrode microelectron source formed in this way, grounding the negative electrode and applying a positive voltage to the positive electrode.
- Example 2 In the same manner as in Example 1, a barta-like carbon-containing calcium aluminate glass was prepared, and the resulting barta-like glass was placed in a carbon crucible and heat-treated in a 1300 ° C nitrogen atmosphere for 3 hours. After that, it was allowed to cool in the furnace to obtain a Balta-like conductive mayenite type compound.
- the obtained conductive mayenite type compound was crushed into a pyramid shape, and a microelectron source 1 having the configuration shown in FIG. That is, a glass substrate 4 with a transparent electrode having a transparent electrode made of ITO formed on one side is prepared, and a pyramid-shaped conductive mayenite compound is apexed on the transparent electrode of the glass substrate 4 with a transparent electrode.
- the electron emitter 2 was fixed so that is at the top. Then Emittapaneru was solidified conductive base one strike evacuated by sufficiently volatilize the solvent to 5 X 10 _4 Pa degree of vacuum below a vacuum vessel.
- Example 2 As in Example 2, an anode panel is prepared, and the emitter panel and anode panel are held in a vacuum vessel so that the distance between the top of the electron emitter 2 and the upper positive electrode is 0.3 mm. Then, the inside of the vacuum chamber was evacuated to 5 X 10 _4 Pa or less to obtain the bipolar micro-electron source of this example. For the two-pole type emitter thus formed, an external power source was used as in Example 2, the negative electrode was grounded, a positive voltage was applied to the positive electrode, and the current flowing between the two electrodes was measured.
- Example 2 For the bipolar micro-electron source using the conductive mayenite-type compound powder of Example 2 and the conductive mayenite-type compound Barta body processed into the pyramid shape of Example 3 as the electron emitter, the change in the emission current with respect to the applied voltage is shown.
- the measurement results are summarized in the graph of Fig. 10. From this graph, compared to Example 3 using a Balta electron emitter, Example 2 using a powder electron emitter starts electron emission even at a low applied voltage force, and has a large current for the same applied voltage. It turns out that it is obtained. In Example 2 and Example 3, the electron emitter material and the distance between the electrodes are the same, so this difference is considered to be due to the difference in the electric field concentration factor. In other words, when the conductive mayenite type compound was pulverized, a large electric field concentration factor suitable for use as an electron emitter was obtained.
- Example 2 When the results of Example 2 and Example 3 were fitted using the above-described equation (2) representing the relationship between the applied voltage V and the emission current I in field electron emission, the measurement results agreed well.
- the fitting result for Example 2 is shown by the solid line in the graph.
- ⁇ was obtained from the fitting parameters at this time with a work function of 0.6 eV, the electric field concentration factor
- the electric field concentration factor j8 was 1.5 X 10 5 m _1 .
- an FED using a triode-type micro electron source using the micro electron source of the present invention is manufactured.
- a transparent electrode made of ITO is formed by sputtering.
- the transparent electrode is patterned in stripes by photolithography and etching.
- a silver paste containing the conductive mayenite type compound powder prepared in the same manner as in Example 1 was printed by screen printing, and a pattern with a desired pattern emitter shape and a thickness of 10 m was formed on the notched transparent electrode.
- the conductive mayenite type compound powder used here has a maximum particle size of 5 / ⁇ ⁇ , and 90% of all particles have a particle system of 0.5 to 2 ⁇ m.
- the conductive mayenite type compound powder, which is the electron emitter 15 is exposed to the surface of the powder and fixed to the substrate surface, and is electrically connected to the transparent electrode 14 on the glass substrate by the conductive adhesive layer 16. Is done.
- the extraction electrode 17 is formed on a glass substrate serving as an emitter panel.
- a polyimide-based photosensitive resin layer with a thickness of 15 m is formed by screen printing, and then an aluminum film with a thickness of 0.3 m is formed by sputtering, which is unnecessary by photolithography and etching.
- the aluminum film and the polyimide film are removed to form an insulating layer 18 and a lead electrode 17 having a desired pattern in which the opening diameter of the gate electrode is 10 m.
- An anode panel is prepared using another glass substrate with a transparent electrode.
- the anode panel is a desired pattern in which phosphors of each RGB color are arranged by applying a photosensitive slurry containing phosphor on the transparent electrode 20 of the glass substrate 21 and then repeating patterning by photolithography. It is produced by forming a phosphor layer 19 (not shown).
- the transparent electrode 20 is used as a positive electrode.
- SrTiO Pr for red, green
- ZnGaO Mn, ZnGaO is used for blue.
- the surface of phosphor 19 has antistatic properties.
- an aluminum film having a thickness of lOOnm is formed.
- the anode panel and the emitter panel obtained in this way are placed so that the electrode surfaces of both substrates face each other so that the distance between the upper surface of the gate electrode on the emitter panel and the phosphor screen of the anode panel is 3 mm.
- Laminate with vacuum seal After that, the inside is evacuated to a high vacuum state of 10-4 Pa and then sealed to obtain the field emission display device of this example.
- the planar illumination device of this example uses a micro-electron source having a three-pole configuration that is provided with a mesh-like extraction electrode 29 as an extraction electrode.
- a glass substrate (PD200 made by Asahi Glass Co., Ltd.) having a thickness of 2.8 mm coated with a transparent electrode capable of ITO force is used.
- a silver paste containing the conductive mayenite type compound powder prepared in the same manner as in Example 1 is printed by screen printing to form a pattern with a thickness of 10 / zm. To do.
- the conductive mayenite type compound powder used here had a maximum particle size of 10 m, and 90% of all particles had a particle size of 1 to 5 m.
- the silver paste is dried and solidified, and the conductive mayenite type compound powder, which is the electron emitter 15, is exposed to the surface of the powder by the conductive adhesive layer 16, and fixed to the substrate surface.
- An emitter panel electrically connected to the transparent electrode 14 is formed.
- the anode panel is formed using the same glass substrate with a transparent electrode as the emitter panel, and is formed by laminating a phosphor layer 19 and an antistatic layer (not shown) on the transparent electrode 20 used as a positive electrode.
- the phosphor material is ZnO: Zn.
- the antistatic layer is an AOO film of lOOnm.
- a stainless steel mesh in which stainless steel wires with a wire diameter of 100 ⁇ m are woven into a 150 ⁇ m square lattice is used.
- an insulating spacer 50 is provided in the periphery, and silica balls with a diameter of 50 m are arranged at a rate of 1 per lmm 2 (not shown). And laminated.
- the electrode panel and the emitter panel are placed with their electrode formation surfaces facing each other, and a vacuum sheet is placed around the panel. Le laminated integrally I is subjected to (not shown) spoon, sealed after evacuation internally of the high vacuum state of 10 _d to 10 _5 Pa, a planar lighting device of the present embodiment.
- the electron-emitting material of the present invention When the electron-emitting material of the present invention is used, an electron-emitting material that is easy to manufacture and that can emit electrons with a low applied voltage can be obtained. Further, when this electron emitting material is used, an electron emitter capable of emitting a low applied voltage force electrons and obtaining a large current with respect to the same applied voltage can be easily manufactured. In addition, the electronic emitter is reduced in size. Furthermore, by using the electron emission material and the electron emitter of the present invention, a field emission display device, a cold cathode fluorescent tube, and a flat illumination device that are easy to manufacture and can be driven at a low V and an applied voltage are realized.
- the field emission display device, the cold cathode fluorescent tube, and the flat illumination device can be driven at a low voltage, the driving voltage can be easily turned on and off, and is suitable for display. It should be noted that the entire contents of the specification, claims, drawings and abstract of Japanese Patent Application No. 2005-119723 filed on April 18, 2005 are cited here as disclosure of the specification of the present invention. Incorporate.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06732040A EP1876628A4 (en) | 2005-04-18 | 2006-04-18 | ELECTRONIC MIXER, FIELD EMISSION DISPLAY UNIT, COLD CATHODE FLUORESCENT COLUMN, FLAT TYPE LIGHTING DEVICE AND ELECTRON EMITTING MATERIAL |
JP2007528154A JP5082849B2 (ja) | 2005-04-18 | 2006-04-18 | 電子エミッタ、フィールドエミッションディスプレイ装置、冷陰極蛍光管、平面型照明装置、および電子放出材料 |
US11/874,437 US20080252194A1 (en) | 2005-04-18 | 2007-10-18 | Electron emitter, field emission display unit, cold cathode fluorescent tube, flat type lighting device, and electron emitting material |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005-119723 | 2005-04-18 | ||
JP2005119723 | 2005-04-18 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/874,437 Continuation US20080252194A1 (en) | 2005-04-18 | 2007-10-18 | Electron emitter, field emission display unit, cold cathode fluorescent tube, flat type lighting device, and electron emitting material |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006112455A1 true WO2006112455A1 (ja) | 2006-10-26 |
Family
ID=37115170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/308111 WO2006112455A1 (ja) | 2005-04-18 | 2006-04-18 | 電子エミッタ、フィールドエミッションディスプレイ装置、冷陰極蛍光管、平面型照明装置、および電子放出材料 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20080252194A1 (ja) |
EP (1) | EP1876628A4 (ja) |
JP (1) | JP5082849B2 (ja) |
KR (1) | KR20070120962A (ja) |
CN (1) | CN101160638A (ja) |
WO (1) | WO2006112455A1 (ja) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007299723A (ja) * | 2006-04-07 | 2007-11-15 | Asahi Glass Co Ltd | 電界電子放出素子 |
JP2007317389A (ja) * | 2006-05-23 | 2007-12-06 | Asahi Glass Co Ltd | 電界電子放出素子用インク、およびそれを用いた電界電子放出素子の製造方法 |
JP2009193962A (ja) * | 2008-02-13 | 2009-08-27 | Samsung Mobile Display Co Ltd | 電極、その製造方法、該電極を具備した電子素子 |
JP2009208987A (ja) * | 2008-03-03 | 2009-09-17 | Sumitomo Osaka Cement Co Ltd | 活性酸素貯蔵物質および燃焼触媒並びにこれらを用いた燃料添加剤、複合燃料、燃焼促進膜形成用塗料、燃焼促進膜、燃焼装置、抗菌剤、部材および紫外線吸収剤 |
WO2009145200A1 (ja) * | 2008-05-30 | 2009-12-03 | 旭硝子株式会社 | 蛍光ランプ |
JP2009301819A (ja) * | 2008-06-12 | 2009-12-24 | Panasonic Corp | 静電気対策部品およびその製造方法 |
WO2010074092A1 (ja) * | 2008-12-25 | 2010-07-01 | 旭硝子株式会社 | 高圧放電ランプ |
WO2011024823A1 (ja) * | 2009-08-25 | 2011-03-03 | 旭硝子株式会社 | 放電ランプ用電極およびその製造方法 |
WO2011024824A1 (ja) * | 2009-08-25 | 2011-03-03 | 旭硝子株式会社 | 放電ランプ用電極、放電ランプ用電極の製造方法、及び放電ランプ |
WO2011024924A1 (ja) * | 2009-08-26 | 2011-03-03 | 旭硝子株式会社 | 放電ランプ用電極、放電ランプ用電極の製造方法、及び放電ランプ |
WO2011024821A1 (ja) * | 2009-08-25 | 2011-03-03 | 旭硝子株式会社 | 放電ランプ用電極およびその製造方法 |
JP2013541134A (ja) * | 2010-09-26 | 2013-11-07 | ▲海▼洋王照明科技股▲ふん▼有限公司 | 電界放出陽極板、電界放出光源及びその製造方法 |
WO2014034473A1 (ja) | 2012-08-30 | 2014-03-06 | 国立大学法人東京工業大学 | 導電性マイエナイト型化合物粉末の製造方法 |
WO2018123620A1 (ja) * | 2016-12-28 | 2018-07-05 | 国立大学法人京都大学 | 被膜付き化合物および被膜付き化合物の製造方法 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4687695B2 (ja) * | 2007-07-23 | 2011-05-25 | トヨタ自動車株式会社 | 膜電極接合体製造方法 |
CN101556887A (zh) * | 2008-04-09 | 2009-10-14 | 富准精密工业(深圳)有限公司 | 碳纳米管场发射显示器的制备方法 |
WO2010090266A1 (ja) | 2009-02-05 | 2010-08-12 | 旭硝子株式会社 | マイエナイト含有酸化物の製造方法および導電性マイエナイト含有酸化物の製造方法 |
DE102012000718A1 (de) | 2012-01-14 | 2013-07-18 | Hans-Josef Sterzel | Elektride enthaltende elektrische Energiespeicher auf Halbleiterbasis |
DE102012010302A1 (de) | 2012-05-24 | 2013-11-28 | Hans-Josef Sterzel | Festkörperanordnung auf der Basis von Elektriden des Mayenit-Typs und dünnen Schichten sehr niedriger Austrittsarbeit zur direkten Umwandlung von thermischer in elektrische Energie |
KR102309473B1 (ko) * | 2016-07-25 | 2021-10-05 | 고쿠리츠켄큐카이하츠호진 카가쿠기쥬츠신코키코 | 전자화물화 마이에나이트형 화합물의 제조 방법 |
EP3589085B1 (en) * | 2018-06-29 | 2023-10-25 | Murata Manufacturing Co., Ltd. | Connecting electronic components to mounting substrates |
CN109596896B (zh) * | 2018-10-25 | 2020-12-08 | 中国电子产品可靠性与环境试验研究所((工业和信息化部电子第五研究所)(中国赛宝实验室)) | 场增强因子提取方法、装置、系统以及存储介质 |
CN110015675B (zh) * | 2019-04-01 | 2021-11-16 | 中科合成油技术有限公司 | 导电性钙铝石型化合物粉末的制造方法 |
US11335529B2 (en) * | 2020-06-19 | 2022-05-17 | The Government Of The United States Of America, As Represented By The Secretary Of The Navy | Thermally enhanced compound field emitter |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05500585A (ja) * | 1989-09-29 | 1993-02-04 | モトローラ・インコーポレイテッド | 電界放出デバイスを形成する方法 |
JPH05325843A (ja) * | 1992-05-20 | 1993-12-10 | Sony Corp | フラットディスプレイ |
JPH0877917A (ja) * | 1994-08-31 | 1996-03-22 | At & T Corp | 電界放出デバイスとその製造方法 |
JP2000315453A (ja) * | 1999-04-30 | 2000-11-14 | Fujitsu Ltd | 電界放出陰極のエミッタ及びその製造方法 |
JP2001357771A (ja) * | 2000-06-12 | 2001-12-26 | Matsushita Electric Ind Co Ltd | 電子放出素子およびその製造方法および面発光装置および画像表示装置および固体真空デバイス |
JP2002003218A (ja) * | 2000-04-18 | 2002-01-09 | Japan Science & Technology Corp | 活性酸素種を包接する12CaO・7Al2O3化合物およびその製造方法 |
JP2003059391A (ja) * | 2001-08-21 | 2003-02-28 | Noritake Itron Corp | 電子放出源及びその製造方法並びに蛍光表示装置 |
WO2005000741A1 (ja) * | 2003-06-26 | 2005-01-06 | Japan Science And Technology Agency | 電気伝導性12CaO・7Al 2O3 及び同型化合物とその製造方法 |
WO2005077859A1 (ja) * | 2004-02-13 | 2005-08-25 | Asahi Glass Company, Limited | 導電性マイエナイト型化合物の製造方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH075836A (ja) * | 1993-04-05 | 1995-01-10 | Canon Inc | 画像形成装置及び画像形成方法 |
-
2006
- 2006-04-18 EP EP06732040A patent/EP1876628A4/en not_active Withdrawn
- 2006-04-18 WO PCT/JP2006/308111 patent/WO2006112455A1/ja active Application Filing
- 2006-04-18 JP JP2007528154A patent/JP5082849B2/ja not_active Expired - Fee Related
- 2006-04-18 CN CNA2006800123382A patent/CN101160638A/zh active Pending
- 2006-04-18 KR KR1020077021487A patent/KR20070120962A/ko not_active Application Discontinuation
-
2007
- 2007-10-18 US US11/874,437 patent/US20080252194A1/en not_active Abandoned
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05500585A (ja) * | 1989-09-29 | 1993-02-04 | モトローラ・インコーポレイテッド | 電界放出デバイスを形成する方法 |
JPH05325843A (ja) * | 1992-05-20 | 1993-12-10 | Sony Corp | フラットディスプレイ |
JPH0877917A (ja) * | 1994-08-31 | 1996-03-22 | At & T Corp | 電界放出デバイスとその製造方法 |
JP2000315453A (ja) * | 1999-04-30 | 2000-11-14 | Fujitsu Ltd | 電界放出陰極のエミッタ及びその製造方法 |
JP2002003218A (ja) * | 2000-04-18 | 2002-01-09 | Japan Science & Technology Corp | 活性酸素種を包接する12CaO・7Al2O3化合物およびその製造方法 |
JP2001357771A (ja) * | 2000-06-12 | 2001-12-26 | Matsushita Electric Ind Co Ltd | 電子放出素子およびその製造方法および面発光装置および画像表示装置および固体真空デバイス |
JP2003059391A (ja) * | 2001-08-21 | 2003-02-28 | Noritake Itron Corp | 電子放出源及びその製造方法並びに蛍光表示装置 |
WO2005000741A1 (ja) * | 2003-06-26 | 2005-01-06 | Japan Science And Technology Agency | 電気伝導性12CaO・7Al 2O3 及び同型化合物とその製造方法 |
WO2005077859A1 (ja) * | 2004-02-13 | 2005-08-25 | Asahi Glass Company, Limited | 導電性マイエナイト型化合物の製造方法 |
Non-Patent Citations (2)
Title |
---|
HOSONO H. ET AL.: "Shitsuon Kukichu de Antei na Electride Kessho C12A7: eno Tairyo Goseiho (Massive Preparation Method of Room Temperature Stable Electide C12A7-c-TITsch)", 2004 NEN NENKAI KOEN YOKOSHU, THE CERAMIC SOCIETY OF JAPAN, 22 March 2004 (2004-03-22), pages 116, 1K28, XP003002458 * |
See also references of EP1876628A4 * |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007299723A (ja) * | 2006-04-07 | 2007-11-15 | Asahi Glass Co Ltd | 電界電子放出素子 |
JP2007317389A (ja) * | 2006-05-23 | 2007-12-06 | Asahi Glass Co Ltd | 電界電子放出素子用インク、およびそれを用いた電界電子放出素子の製造方法 |
JP2009193962A (ja) * | 2008-02-13 | 2009-08-27 | Samsung Mobile Display Co Ltd | 電極、その製造方法、該電極を具備した電子素子 |
JP2009208987A (ja) * | 2008-03-03 | 2009-09-17 | Sumitomo Osaka Cement Co Ltd | 活性酸素貯蔵物質および燃焼触媒並びにこれらを用いた燃料添加剤、複合燃料、燃焼促進膜形成用塗料、燃焼促進膜、燃焼装置、抗菌剤、部材および紫外線吸収剤 |
JPWO2009145200A1 (ja) * | 2008-05-30 | 2011-10-13 | 旭硝子株式会社 | 蛍光ランプ |
WO2009145200A1 (ja) * | 2008-05-30 | 2009-12-03 | 旭硝子株式会社 | 蛍光ランプ |
TWI452602B (zh) * | 2008-05-30 | 2014-09-11 | Asahi Glass Co Ltd | Fluorescent light |
JP2013145755A (ja) * | 2008-05-30 | 2013-07-25 | Asahi Glass Co Ltd | 蛍光ランプ |
US8304974B2 (en) | 2008-05-30 | 2012-11-06 | Asahi Glass Company, Limited | Fluorescent lamp |
JP2009301819A (ja) * | 2008-06-12 | 2009-12-24 | Panasonic Corp | 静電気対策部品およびその製造方法 |
WO2010074092A1 (ja) * | 2008-12-25 | 2010-07-01 | 旭硝子株式会社 | 高圧放電ランプ |
WO2011024821A1 (ja) * | 2009-08-25 | 2011-03-03 | 旭硝子株式会社 | 放電ランプ用電極およびその製造方法 |
WO2011024824A1 (ja) * | 2009-08-25 | 2011-03-03 | 旭硝子株式会社 | 放電ランプ用電極、放電ランプ用電極の製造方法、及び放電ランプ |
WO2011024823A1 (ja) * | 2009-08-25 | 2011-03-03 | 旭硝子株式会社 | 放電ランプ用電極およびその製造方法 |
WO2011024924A1 (ja) * | 2009-08-26 | 2011-03-03 | 旭硝子株式会社 | 放電ランプ用電極、放電ランプ用電極の製造方法、及び放電ランプ |
JP2013541134A (ja) * | 2010-09-26 | 2013-11-07 | ▲海▼洋王照明科技股▲ふん▼有限公司 | 電界放出陽極板、電界放出光源及びその製造方法 |
WO2014034473A1 (ja) | 2012-08-30 | 2014-03-06 | 国立大学法人東京工業大学 | 導電性マイエナイト型化合物粉末の製造方法 |
KR20150051215A (ko) | 2012-08-30 | 2015-05-11 | 고쿠리츠다이가쿠호진 토쿄고교 다이가꾸 | 도전성 마이에나이트형 화합물 분말의 제조방법 |
US9573822B2 (en) | 2012-08-30 | 2017-02-21 | Tokyo Institute Of Technology | Method for producing conductive mayenite compound powder |
US10124319B2 (en) | 2012-08-30 | 2018-11-13 | Tokyo Institute Of Technology | Method for producing conductive mayenite compound powder having large specific surface area |
WO2018123620A1 (ja) * | 2016-12-28 | 2018-07-05 | 国立大学法人京都大学 | 被膜付き化合物および被膜付き化合物の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US20080252194A1 (en) | 2008-10-16 |
CN101160638A (zh) | 2008-04-09 |
JP5082849B2 (ja) | 2012-11-28 |
EP1876628A4 (en) | 2009-11-04 |
EP1876628A1 (en) | 2008-01-09 |
JPWO2006112455A1 (ja) | 2008-12-11 |
KR20070120962A (ko) | 2007-12-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5082849B2 (ja) | 電子エミッタ、フィールドエミッションディスプレイ装置、冷陰極蛍光管、平面型照明装置、および電子放出材料 | |
JP2004504690A (ja) | 電子電界エミッタの放出状態を改善するための方法 | |
US7714492B2 (en) | Electron emission material and electron emission panel having the same | |
CN100446155C (zh) | 可印制的纳米材料冷阴极浆料及其场发射冷阴极的制备方法和应用 | |
KR20020087844A (ko) | 표시장치와 그 제조방법 | |
CN1815665B (zh) | 碳纳米管、电子发射源、电子发射装置和其制造方法 | |
JP2004276232A (ja) | カーボンナノチューブ分散液およびその製造方法 | |
Burden | Materials for field emission displays | |
US7764010B2 (en) | Electron emission device, electron emission display apparatus having the same, and method of manufacturing the same | |
Kim et al. | Building a backlight unit with lateral gate structure based on carbon nanotube field emitters | |
JP3581296B2 (ja) | 冷陰極及びその製造方法 | |
JP4119279B2 (ja) | 表示装置 | |
TWI290952B (en) | Blue fluorescent substance for display device and method for producing the same and field emission type display device | |
JP2003303539A (ja) | 電子放出源およびその製造方法 | |
JP2008243727A (ja) | 画像表示装置およびその製造方法 | |
KR20070108829A (ko) | 탄소나노튜브 후막의 제조방법, 그를 이용한 전계방출형표시소자 | |
CN100595867C (zh) | 斜面阴极侧栅控结构的平板显示器及其制作工艺 | |
JP2001283721A (ja) | 突起付基板および平面型ディスプレイ | |
Chiu et al. | Silicon Carbide Nanowire as Nanoemitter and Greenish–Blue Nanophosphor for Field Emission Applications | |
JP2007299723A (ja) | 電界電子放出素子 | |
WO2013067732A1 (zh) | 一种纳米材料-介质-纳米材料结构的电子发射源 | |
CN1647232A (zh) | 图像显示装置和其制造方法 | |
JP2006244857A (ja) | 冷陰極電子源およびその製造方法 | |
KR100664021B1 (ko) | 전계 방출 소자를 위한 탄소 나노 튜브 페이스트의 후처리방법 | |
JP2004087381A (ja) | 冷陰極発光素子および画像表示装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200680012338.2 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2007528154 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020077021487 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2006732040 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
NENP | Non-entry into the national phase |
Ref country code: RU |
|
WWP | Wipo information: published in national office |
Ref document number: 2006732040 Country of ref document: EP |