Patent application number | Description | Published |
20090180946 | FIBER CONTAINING CARBON, SUBSTRATE AND ELECTRON EMISSION DEVICE USING FIBER CONTAINING CARBON, ELECTRON SOURCE USING THE ELECTRON EMISSION DEVICE, DISPLAY PANEL USING THE ELECTRON SOURCE, AND INFORMATION DISPLAYING/PLAYING APPARATUS USING THE DISPLAY PANEL, AND A METHOD OF MANUFACTURING THEREOF - The invention provides a fiber containing carbon which is less deteriorated in terms of electron emission characteristic, is excellent in terms of reproducibility, and can in addition be formed at a low cost, a substrate and electron emission device using the fiber containing carbon, an electron source using the electron emission device, a display panel using the electron source, and an information displaying/playing apparatus using the display panel, and a method of manufacturing these. The manufacturing method comprises a first step of preparing a substrate (substrate | 07-16-2009 |
20090237570 | ELECTRON-EMITTING DEVICE, ELECTRON SOURCE, AND IMAGE DISPLAY APPARATUS, AND METHOD FOR MANUFACTURING THE SAME - A base body includes a first part and a second part, The second part has a lower thermal conductivity than the first part and is arranged adjacently to the first part. A first conductive film is formed on the first part and a second conductive film is formed on the second part. At least part of a gap is located above a boundary between the first part and the second part. | 09-24-2009 |
20090256457 | 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. | 10-15-2009 |
20090256464 | ELECTRON BEAM APPARATUS AND IMAGE DISPLAY APPARATUS USING THE SAME - The present invention provides an electron beam apparatus provided with an electron-emitting device which has a simple structure, shows high electron-emitting efficiency and stably works. This electron beam apparatus has an insulating member and a gate formed on a substrate, a recess portion formed in the insulating member, a protruding portion that protrudes from an edge of the recess portion toward the gate and is provided on an end part of a cathode opposing to the gate, which is arranged on the side face of the insulating member; and makes an electric field converge on an end part in the width direction of the protruding portion to make an electron emitted therefrom. | 10-15-2009 |
20090284119 | ELECTRON-EMITTING DEVICE AND IMAGE DISPLAY APPARATUS - The present invention provides an electron-emitting device which does not need a fresh electrode to be added thereto, has excellent convergence and shows little change of a discharged electric current for short and long periods of time, and an image display apparatus using the device. The electron-emitting device includes at least a pair of device electrodes formed on an insulating substrate, and a plurality of electroconductive films which are formed so as to connect the device electrodes to each other and have gaps therein, wherein the surface of a region which is at least adjacent to the gap between the electroconductive films and is not covered with the electroconductive film is higher than the surface of the electroconductive film. | 11-19-2009 |
20090284123 | ELECTRON-EMITTING DEVICE AND IMAGE DISPLAY APPARATUS - An image display apparatus uses electron-emitting devices each having: a pair of device electrodes on an insulating substrate; and an electroconductive film connecting the device electrodes. The insulating substrate has concave portions in a gap between the device electrodes. The film has opening portions having a first gap in a region adjacent to the opening portions along such a gap. A carbon film having a second gap is formed in the first gap and has extending portions extending from side surfaces of the concave portions toward the bottom. The extending portions of the adjacent carbon films are not coupled. | 11-19-2009 |
20090284127 | ELECTRON-EMITTING DEVICE AND IMAGE DISPLAY APPARATUS - An electron-emitting device has a pair of device electrodes formed on a substrate and an electroconductive film connected to the device electrodes. The electroconductive film has a first gap between the device electrodes and has a carbon film having a second gap at least in the first gap. The substrate is formed by stacking a nitrogen-contained activation suppressing layer and an activation accelerating layer having a nitrogen containing ratio smaller than that of the activation suppressing layer onto a base and has nitrogen containing ratio distribution in the activation suppressing layer in a film thickness direction. The nitrogen containing ratio of the activation suppressing layer at the activation accelerating layer side is smaller than that at the base side. | 11-19-2009 |
20090316860 | MULTI X-RAY GENERATOR AND MULTI X-RAY IMAGING APPARATUS - A compact apparatus can form multi X-ray beams with good controllability. Electron beams (e) emitted from electron emission elements ( | 12-24-2009 |
20100053126 | ELECTRON EMISSION DEVICE AND IMAGE DISPLAY PANEL USING THE SAME, AND IMAGE DISPLAY APPARATUS AND INFORMATION DISPLAY APPARATUS - An electron emission device includes a polycrystalline film of lanthanum boride, and a size of a crystallite which composes the polycrystalline film is equal to or more than 2.5 nm and equal to or less than 100 nm, preferably the film thickness of the polycrystalline film is equal to or less than 100 nm. | 03-04-2010 |
20100329429 | MULTI X-RAY GENERATOR AND MULTI X-RAY IMAGING APPARATUS - A compact apparatus can form multi X-ray beams with good controllability. Electron beams (e) emitted from electron emission elements ( | 12-30-2010 |
20110062852 | ELECTRON BEAM APPARATUS AND IMAGE DISPLAY APPARATUS USING THE SAME - The present invention provides an electron beam apparatus provided with an electron-emitting device which has a simple structure, shows high electron-emitting efficiency and stably works. This electron beam apparatus has an insulating member and a gate formed on a substrate, a recess portion formed in the insulating member, a protruding portion that protrudes from an edge of the recess portion toward the gate and is provided on an end part of a cathode opposing to the gate, which is arranged on the side face of the insulating member; and makes an electric field converge on an end part in the width direction of the protruding portion to make an electron emitted therefrom. | 03-17-2011 |
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 |
20110085641 | MULTI X-RAY GENERATOR AND MULTI X-RAY IMAGING APPARATUS - A compact apparatus can form multi-X-ray beams with good controllability. Electron beams (e) emitted from electron emission elements ( | 04-14-2011 |
20110305314 | ELECTRON EMITTING DEVICE, IMAGE DISPLAY APPARATUS USING THE SAME, RADIATION GENERATION APPARATUS, AND RADIATION IMAGING SYSTEM - A field emission type electron emitting device includes a cathode including a mixture of a lanthanum oxide and a molybdenum oxide. | 12-15-2011 |
20120140895 | MULTI X-RAY GENERATOR AND MULTI X-RAY IMAGING APPARATUS - A compact apparatus can form multi-X-ray beams with good controllability. Electron beams (e) emitted from electron emission elements ( | 06-07-2012 |