Abstract:
An electron emission device includes a first substrate, a second substrate facing the first substrate, a scan electrode formed on the first substrate and having a width Sv, and a data electrode formed on the first substrate perpendicular to and crossing the scan electrode at a crossed region. A unit pixel is disposed in an area of the crossed region and has a pitch Pv. An insulating layer is disposed between the scan electrodes and the data electrodes. An electron emission region is electrically coupled the scan electrode or the data electrode, and the scan electrode and the unit pixel satisfy the following condition: 0.5≦Sv/Pv≦0.95.
Abstract:
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 openings to expose the electron emission regions. A third electrode is placed over the second electrodes such that the third electrode is insulated from the second electrodes. The third electrode has openings communicating with the openings of the second electrodes. Each of the electron emission regions and the second electrodes simultaneously satisfy the following conditions: D2/D1≦0.579 (1), and D2≧1 μ (2) where D1 indicates the width of each of the openings of the second electrode, and D2 indicates the width of each of the electron emission regions.
Abstract:
An electron emission device is disclosed. The electron emission device includes a cathode electrode including a main electrode having an opening, ii) a plurality of isolated electrodes on each of which each of plurality of electron emission units is located, and iii) at least one resistance layer electrically connecting the main electrode and the plurality of isolated electrodes. The plurality of isolated electrodes are located within the opening and form gaps with the main electrode. A resistance between the main electrode and one of the plurality of isolated electrodes is different from that between the main electrode and the other isolated electrodes.
Abstract:
An electron emission device includes a substrate, cathode and gate electrodes placed on the substrate in an insulated manner, and electron emission regions electrically connected to the cathode electrodes. Each of the cathode electrodes includes a line electrode having a groove at one lateral side surface thereof, and isolation electrodes formed on the substrate exposed through the groove such that the isolation electrodes are isolated from the line electrode. The electron emission regions are placed on the isolation electrodes and a resistance layer electrically connects the isolation electrodes to the line electrode.
Abstract:
An electron emission device that includes a substrate, at least one electron emission region, and at least one cathode electrode disposed on the substrate and electrically connected to the electron emission region, wherein the cathode electrode has a first electrode, a plurality of second electrodes on the first electrode, a sub-insulation layer between the first and second electrodes, and a resistive layer electrically connected to the first and second electrodes.
Abstract:
An electron emission device includes first and second substrates facing each other, an electron emission structure formed on the first substrate, and a light emission structure formed on the second substrate. The light emission structure has phosphor layers and an anode electrode formed on a surface of the phosphor layers. An adhesive film is formed at the peripheries of the first and the second substrates to attach the first and the second substrates to each other. At least one lead portion crosses the adhesive film on the second substrate, and is connected to the anode electrode. The lead portion is partitioned into a plurality of lead lines at the crossed region thereof with the adhesive film, and the plurality of lead lines are spaced from each other.
Abstract:
An electron emission device is provided including a first substrate and a second substrate facing each other and separated from each other by a predetermined distance. An electron emission unit is disposed on the first substrate, and a light emission unit is disposed on a surface of the second substrate facing the first substrate. A grid electrode is disposed between the first substrate and the second substrate, and has a hole region with a plurality of electron beam-guide holes and a no-hole region surrounding the hole region. The first substrate has a first active area and a first outer portion. The second substrate has a second active area and a second outer portion. The grid electrode has a larger area than the first active area and the second active area, and the no-hole region is disposed corresponding to the first outer portion.
Abstract:
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.
Abstract:
An electron emission device is disclosed. The electron emission device includes a cathode electrode including a main electrode having an opening, ii) a plurality of isolated electrodes on each of which each of plurality of electron emission units is located, and iii) at least one resistance layer electrically connecting the main electrode and the plurality of isolated electrodes. The plurality of isolated electrodes are located within the opening and form gaps with the main electrode. A resistance between the main electrode and one of the plurality of isolated electrodes is different from that between the main electrode and the other isolated electrodes.
Abstract:
An electron emission device includes gate electrodes formed on a substrate. The gate electrodes are located on a first plane. An insulating layer is formed on the gate electrodes. Cathode electrodes are formed on the insulating layer. Electron emission regions are electrically connected to the cathode electrodes. The electron emission regions are located on a second plane. In addition, the electron emission device includes counter electrodes placed substantially on the second plane of the electron emission regions. The gate electrodes and the counter electrodes are for receiving a same voltage, and a distance, D, between at least one of the electron emission regions and at least one of the counter electrodes satisfies the following condition: 1(μm)≦D≦28.1553+1.7060t(μm), where t indicates a thickness of the insulating layer.