摘要:
An electron emission device includes a substrate, a cathode electrode located on the substrate and having a first opening, the cathode electrode including a material that substantially blocks ultraviolet rays, an electron emission region that is located in the first opening and adapted to emit electrons, a gate electrode that is electrically insulated from the cathode electrode, the gate electrode including a material that substantially blocks ultraviolet rays, and a plurality of insulation layers located between the cathode and gate electrodes. The plurality of insulation layers includes first and second insulation layers adjacent to each other. The first insulation layer has a first etching rate that is different from a second etching rate of the second insulation layer.
摘要:
An electron emission device and a display device having the electron emission device are provided. The electron emission device includes a plurality of driving electrodes located on a substrate and a plurality of electron emission regions electrically coupled to the driving electrodes. Each of the driving electrodes includes a first metal layer, a second metal layer, and a third metal layer. Here, the following condition is satisfied: T3/T1≧1.0, where T1 is a thickness of the first metal layer and T3 is a thickness of the third metal layer.
摘要:
An electron emission display includes an electron emission unit on a first substrate adapted to emit electron beams, a light emission unit on a second substrate, the light emission unit including a plurality of photoluminescent layers facing the electron and emission unit, a plurality of spacers between the first and second substrates along a first direction, wherein each photoluminescent layer of the plurality of photoluminescent layers satisfies a proviso that (a−b)/2>c, where “a” is a length of the photoluminescent layer in a second direction, “b” is a magnitude of an electron beam spot on the photoluminescent layer in the second direction, and “c” is a shifting distance of the electron beam spot in the second direction.
摘要:
An electron emission device includes i) a substrate, ii) a cathode electrode on the substrate, having a first opening, and comprising an ultraviolet non-transmitting material, iii) an electron emission region in the first opening and for emitting electrons, and iv) a gate electrode electrically insulated from the cathode electrode and having a second opening through which the electrons emitted from the electron emission region pass. The ultraviolet transmittance of the gate electrode is about 30% or more. A distance between a first imaginary line passing through a center of the electron emission region and normal to a plane surface of the substrate, and a second imaginary line passing through a center of the second opening and normal to the plane surface of the substrate is about 0.5 μm or less.
摘要:
An electron emission display includes an electron emission unit on a first substrate adapted to emit electron beams, a light emission unit on a second substrate, the light emission unit including a plurality of photoluminescent layers facing the electron and emission unit, a plurality of spacers between the first and second substrates along a first direction, wherein each photoluminescent layer of the plurality of photoluminescent layers satisfies a proviso that (a−b)/2>c, where “a” is a length of the photoluminescent layer in a second direction, “b” is a magnitude of an electron beam spot on the photoluminescent layer in the second direction, and “c” is a shifting distance of the electron beam spot in the second direction.
摘要:
A method of manufacturing the electron emission device is provided. A cathode electrode is formed on a substrate. A first insulation layer of a transparent conductive material is formed on an entire surface of the substrate while covering the cathode electrode. A gate electrode of a transparent conductive material is formed on the first insulation layer in a direction crossing the cathode electrode. A photoresist mask layer is formed on the entire surface of the substrate. An opening corresponding to the opening of the cathode electrode is formed on the photoresist mask layer by emitting ultraviolet light to a rear surface of the substrate and developing the photoresist mask layer. An exposed portion of the gate electrode by the opening of the photoresist mask layer and a portion of the first insulation layer are etched. An electron emission region is formed in the opening of the cathode electrode.
摘要:
An electron emission device includes a substrate, cathode electrodes and gate electrodes formed on the substrate crossing one another to thereby form a plurality of crossed regions, and electron emission regions, each electrically coupled to one of the cathode electrodes. Each of the cathode electrodes includes a resistive layer formed with first openings, and a conductive layer disposed on one surface of the resistive layer, and formed with second openings. The second openings are spatially communicated respectively with the first openings, and circumferential wall portions of the conductive layer defining the second openings maintain a predetermined spacing from circumferential wall portions of the resistive layer defining the first openings. The electron emission regions are then disposed in the first openings.
摘要:
A light emission device includes: first and second substrates facing each other and spaced apart from each other; an electron emission region on an inner surface of the first substrate; a driving electrode on the inner surface of the first substrate to control an electron emission of the electron emission region; a phosphor layer on an inner surface of the second substrate; and a heat generation member on the inner surface of the second substrate or an outer surface of the second substrate to increase a temperature of the second substrate.
摘要:
An electron emission display includes a first substrate and a second substrate facing each other, a side member formed along the edges of the first substrate and the second substrate to form a vacuum envelope together with the first substrate and the second substrate, an electron emission unit provided on the first substrate, a light emission unit provided on the second substrate to emit visible light when impacted by electrons from the electron emission unit, and a thermal conduction member connecting the first substrate and the second substrate.
摘要:
An electron emission device includes a substrate, first electrodes formed on the substrate, electron emission regions electrically connected to the first electrodes, and second electrodes placed over the first electrodes such that the second electrodes are insulated from the first electrodes, The second electrodes have a plurality of openings at the crossed areas of the first and the second electrodes to open the electron emission regions, wherein 1.36≦P/D≦1.65, where D indicates the width, or diameter, of the openings of the second electrodes, and P indicates the pitch of the openings of the second electrodes.
摘要翻译:电子发射装置包括基板,形成在基板上的第一电极,与第一电极电连接的电子发射区域和放置在第一电极上的第二电极,使得第二电极与第一电极绝缘。第二电极具有 在第一和第二电极的交叉区域处的多个开口以打开电子发射区域,其中1.36 <= P / D <= 1.65,其中D表示第二电极的开口的宽度或直径,以及 P表示第二电极的开口的间距。