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 is provided. The electron emission device includes first and second substrates facing each other, a cathode electrode arranged on the first substrate, at least one opening electron emission region arranged on the cathode electrode, an insulation layer arranged on the cathode electrode and provided with at least one opening corresponding to the at least one opening electron emission region, and a gate electrode arranged on the insulation layer and provided with at least one opening corresponding to the at least one electron emission region. A width H1 of the at least one opening of the insulation layer is equal to or greater than twice a thickness T1 of the insulation layer.
Abstract:
An electron emission display device includes a first substrate and a second substrate facing each other, a side member formed along 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 for emitting visible light by means of electrons from the electron emission unit, and a conductive layer formed on at least a partial exterior surface of the vacuum envelope and connected to a ground voltage for discharging static charge accumulated in the vacuum envelope.
Abstract:
An electron emission display includes a first substrate, an electron emission unit formed at the first substrate to emit electrons, a second substrate facing the first substrate, and a light emission unit formed at the second substrate to emit visible light using electrons emitted from the electron emission unit. The light emission unit includes a phosphor layer formed on the second substrate and an anode electrode formed on the phosphor layer. The anode electrode includes a first metal layer and a second metal layer formed on the first metal layer and having a single- or multi-layered structure.
Abstract:
An embodiment of an electron emission device includes first and second substrates facing each other, unit pixels being defined on the first and the second substrates, an electron emission unit on the first substrate, phosphor layers on a surface of the second substrate facing the first substrate, each phosphor layer corresponding to at least one unit pixel, non-light emission regions between the phosphor layers, and spacers interposed between the first and the second substrates and arranged in the non-light emission regions, wherein the non-light emission regions comprise spacer loading regions loaded with the spacers, wherein a width of a spacer loading region and a pitch of the unit pixels satisfies the following condition: A/B≧about 0.2, where A indicates the width of the spacer loading region and B indicates the pitch of the unit pixels located along the width of the spacer loading region.
Abstract:
An electron emission device includes a first substrate; a second substrate facing the first substrate and spaced apart from the first substrate; an electron emission unit on the first substrate, the electron emission unit having at least two electrodes and an emission region for emitting electrons; and a light emission unit on the second substrate to be excited by a beam formed with the electrons. The electron emission unit includes a focusing electrode for focusing the beam. The light emission unit includes a screen on which pixels are arranged in a pattern. Each of the pixels has a phosphor layer. The phosphor layer of one of the pixels is excited by the beam. The focusing electrode includes an opening, through which the beam passes. A length of the opening is Lv, a pitch of a pixel is Pv, and Lv and Pv satisfy: 0.25
Abstract translation:电子发射装置包括:第一基板; 面向所述第一基板并与所述第一基板间隔开的第二基板; 电子发射单元,在所述第一基板上,所述电子发射单元具有至少两个电极和用于发射电子的发射区域; 以及第二基板上的由电子形成的光束激发的发光单元。 电子发射单元包括用于聚焦光束的聚焦电极。 发光单元包括以图案布置像素的屏幕。 每个像素具有荧光体层。 一个像素的荧光体层被光束激发。 聚焦电极包括光束通过的开口。 开口的长度为L v v,像素的间距为P v V,> v v and and / / / / / / / / / / / / / / / / / / / / / / / / / / / SUB>满足:0.25 / P <= 0.60。
Abstract:
An electron emission device includes a substrate; a cathode electrode formed on the substrate; a gate electrode crossing the cathode electrode and insulated from the cathode electrode; and an electron emission region electrically connected to the cathode electrode. The cathode electrode includes a main electrode with an inner opening portion, an isolate electrode placed in the opening portion and spaced apart from the main electrode by a distance, and a resistance layer disposed between the main electrode and the isolate electrode. The isolate electrode has a via hole. The electron emission region contacts the isolate electrode, and is placed in the via hole. The isolate electrode has a first height, and the electron emission region has a second height smaller than the first height.
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 first and second substrates facing each other with a distance, and first and second electrodes formed on the first substrate. Electron emission regions contact the second electrodes, and are located corresponding to pixel regions established on the first substrate. A grid electrode is disposed between the first and the second substrates, and has electron beam passage holes corresponding to the respective electron emission regions. With the electron emission device, the positional relation of the electron emission region to the beam passage hole of the grid electrode is optimally made to thereby enhance the screen brightness and the color representation.
Abstract:
A color selection apparatus for a cathode ray tube includes a mask bearing a shape with short and long axes, and a frame combined with the mask. The mask is fitted to the frame while being tensioned either in the long axis direction or in the short axis direction. The mask has a plurality of strips spaced apart from each other by a predetermined distance, a plurality of real bridges disposed between the neighboring strips with a predetermined pitch while defining beam-guide holes, and one or more dummy bridges placed within each beam-guide hole while being extended from the strips in at least one direction. In any one reference column of m=0 and the other neighboring columns of m±n (n is a natural number), the real bridges arranged at the reference column are placed at lines different from the real bridges arranged at the columns of at least m±2 in the long axis direction.