摘要:
A field emission lamp generally includes a tube having at least one open end, at least one sealing member respectively arranged in a corresponding open end of the tube, an anode, and a cathode. The anode includes an anode conductive layer formed on an inner surface of the tube, a fluorescent layer formed on the anode conductive layer, and at least one anode electrode electrically connected with the anode conductive layer and extending out of the at least one sealing member. The cathode includes an electron emission element and at least one cathode electrode electrically connected with the electron emission element and extending out of the at least one sealing member. The electron emission element has an electron emission layer. The electron emission layer includes getter powders therein to exhaust unwanted gas in the field emission lamp, thereby ensuring the field emission lamp with a high degree of vacuum during operation thereof. A method for making such field emission lamp is also provided.
摘要:
A field emission device (8) includes a cathode (80), an anode (84), and spacers (83) interposed therebetween. The cathode includes a network base (81) and a plurality of field emitters (82) formed thereon. The network base is formed of a plurality of electrically conductive carriers. The field emitters are located on surfaces of the carriers, respectively. The field emitters extend radially outwardly from the corresponding conductive carriers. The plurality of electrically conductive carriers may be made of electrically conductive fibers, for example, metal fibers, carbon fibers, organic fibers or another suitable fibrous material. Carrier portions of the plurality of electrically conductive carriers may be cylindrical, curved/arcuate, or at least approximately curved in shape.
摘要:
A field emission lamp generally includes a bulb having an open end, a lamp head disposed at the open end of the bulb, an anode, and a cathode. The anode includes an anode conductive layer formed on an inner surface of the bulb, a fluorescent layer deposited on the anode conductive layer, and an anode electrode electrically connected with the anode conductive layer and the lamp head. The cathode includes an electron emission element and a cathode electrode electrically connected with the electron emission element and the lamp head. The electron emission element has an electron emission layer. The electron emission layer includes getter powders therein to exhaust unwanted gas in the field emission lamp, thereby ensuring the field emission lamp with a high degree of vacuum during operation thereof. A method for making such field emission lamp is also provided.
摘要:
A field emission double-plane light source includes a first anode, a second anode, and a cathode separately arranged between the first and second anodes. Each of the first and second anodes includes an anode substrate, an anode conductive layer formed on a surface of the anode substrate, and a fluorescent layer formed on the anode conductive layer. The cathode has a metallic based network with two opposite surfaces, each facing a respective one of the first and second anodes. Each of the surfaces of the network has a respective electron emission layer thereon facing a corresponding fluorescent layer of one of the first and second anodes. Each of the electron emission layers includes a glass matrix, and a plurality of carbon nanotubes, metallic conductive particles, and getter powders dispersed in the glass matrix. A method for making such field emission double-plane light source is also provided.
摘要:
An exemplary field emission cathode includes an electrically conductive layer and an electron-emitting member formed thereon. The electron-emitting member includes an electron-emitting material configured for emitting electrons and a getter material configured for collecting outgassed materials. An exemplary planar light source includes an anode and a cathode spaced apart from the anode. The anode includes a first electrically conductive layer and a fluorescent layer formed on an inner surface of the first electrically conductive layer. The cathode includes a second electrically conductive layer and an electron-emitting member formed on an inner surface of the second electrically conductive layer which faces toward the fluorescent layer. The electron-emitting member includes an electron-emitting material and a getter material.
摘要:
A double-faced light emitting diode display includes a pair of parallel shield panels (20, 20′), and a light emitting module (30) located between the shield panels. Each shield panel includes a video contrast enhancement assembly. The light emitting module includes an opaque insulative substrate (31) with a pair of pixel matrixes symmetrically formed on opposite surfaces (310, 310′) thereof and a circuit driving system formed at at least one of the surfaces. Each pixel matrix includes a plurality of pixel units (320, 320′). Symmetrically opposite pairs of pixel units are electrically interconnected so that the shield panels can simultaneously display same images. The double-faced light emitting diode display has a simple structure, a small size, low cost and full color display capability, and can be advantageously applied in traffic signal boards, large-scale display boards, surround cinemas and so on.
摘要:
A double-faced plasma display panel includes two parallel viewing screens (20, 20′), and a discharge structure (30) located between the viewing screens. Each viewing screen includes a transparent substrate (21, 21′), with a plurality of transparent electrodes (23, 24, 23′, 24′), a transparent dielectric layer (22, 22′), and a protection layer (25, 25′) formed at an inner surface of the transparent substrate. The discharge structure includes an opaque insulative substrate (31), with a plurality of addressing electrodes (37, 37′), an opaque dielectric layer (38, 38′), a plurality of separation walls (39, 39′), and a fluorescent layer (40, 40′) formed at each of opposite surfaces (310, 310′) thereof. Symmetrically opposite pairs of same electrodes are electrically interconnected so that the viewing screens can simultaneous display a same image. Only a single driving system is needed to achieve the simultaneous display.
摘要:
An ionization vacuum gauge includes a cathode electrode, a gate electrode, and an ion collector. The cathode electrode includes a base and a field emission film disposed thereon. The gate electrode is disposed adjacent to the cathode electrode with a distance therebetween. The ion collector is disposed adjacent to the gate electrode with a distance therebetween. The field emission film of the cathode electrode includes carbon nanotubes, a low-melting-point glass, and conductive particles.
摘要:
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.
摘要:
A double-faced field emission display device includes two parallel fluorescent screens (10, 10′) and an electron emission structure (20) located between the fluorescent screens. Each fluorescent screen includes a transparent substrate (21, 21′) with an anode plate (12, 12′) and coplanar fluorescent layers (13, 13′) formed at an inner surface of the transparent substrate. The electron emission structure includes an opaque insulative substrate (28) with cathode plates (26, 26′), electron emitters (27, 27′) and grid plates (25, 25′) formed at each of opposite surfaces (281, 282) thereof. Symmetrically opposite pairs of same electrodes are electrically interconnected so that the fluorescent screens can simultaneous display a same image. Only a single driving system is needed to achieve the simultaneous display.