Abstract:
An electron emission device and an electron emission display device using the same are provided to improve display quality by enhancing the amount of emitting electrons of unit pixels and emission uniformity of phosphor layers. A plurality of cathode electrodes(14) are formed on a substrate. A plurality of gate electrodes(18) are positioned on the substrate and are isolated from the plurality of cathode electrodes. A plurality of electron emission units(20) are electrically connected with the plurality of cathode electrodes. Each of the cathode electrodes includes a main electrode(22) formed with a transparent conductive layer and an auxiliary electrode(24) positioned on one side of the main electrode. The auxiliary electrode is formed by laminating a molybdenum layer(241) and an aluminum layer(242). The molybdenum layer is laminated on the aluminum layer.
Abstract:
본 발명은 전극들 사이에 발생하는 기생 캐패시턴스를 낮추어 신호 왜곡을 억제할 수 있는 전자 방출 디바이스 및 이를 이용한 전자 방출 표시 디바이스에 관한 것으로서, 본 발명에 따른 전자 방출 디바이스는 기판과, 기판 위에 형성되는 캐소드 전극들과, 캐소드 전극들에 전기적으로 연결되는 전자 방출부들과, 절연층을 사이에 두고 캐소드 전극들과 중첩되어 위치하고 전자 방출부들을 개방시키는 개구부들을 형성하는 게이트 전극들을 포함한다. 이때 각각의 게이트 전극은 캐소드 전극들과의 중첩 부위에서 개구부와 임의의 거리를 두고 이 개구부의 외측 일부를 둘러싸는 적어도 하나의 절개부를 형성하여 절개부 아래의 절연층 표면을 노출시킨다. 전자방출부, 캐소드전극, 게이트전극, 절연층, 캐패시터, 캐패시턴스
Abstract:
A case member (12) composed of an insulating material has openings at both ends. An airtight envelope (16) is formed by hermetically sealing the both end openings of the case member (12) with a pair of cover members (14, 14) which also serve as discharge electrodes. A certain discharge gap (22) is formed between discharge electrode portions (18, 18) of the cover members (14, 14). A plurality of linear trigger discharge films (28) are formed on the inner wall surface (24) of the case member (12) in such a way that both ends of the films face the cover members (14, 14) with very small discharge gaps (26) intervening therebetween. An insulating coating film (30) containing an alkali iodide is formed on the surface of each discharge electrode portion (18). A discharge tube (10) is formed by filling the airtight envelope (16) with a discharge gas containing Kr (krypton). ® KIPO & WIPO 2007
Abstract:
An electron emission display device is provided to secure optimum brightness by optimizing a vertical width of a phosphor layer with respect to an opening of a focusing electrode. A first and second substrates(2,4) are disposed opposite to each other. An electron emission unit(12) is formed on the first substrate. A plurality of driving electrodes are provided on the first substrate in order to control the electron emission unit. A focusing electrode(14) is positioned at an upper part of the driving electrodes and includes an opening(141) for collecting electrons. A plurality of phosphor layers(18R) are positioned on the second substrate and correspond to pixel regions defined on the first substrate. The opening of the focusing electrode and the phosphor layer have a first width and a second width, respectively.
Abstract:
본 발명은 발광 효율을 향상할 수 있도록 설계된 전자 방출 소자에 관한 것이다. 본 발명의 전자 방출 소자는 서로 대향 배치되는 제1 기판 및 제2 기판과, 제1 기판에서 서로 절연 상태를 유지하며 형성되는 제1 전극 및 제2 전극과, 제1 전극과 제2 전극 중 어느 한 전극에 형성되는 전자 방출부와, 제2 기판에 형성되는 애노드 전극과, 애노드 전극의 어느 일면으로 형성되는 형광층을 포함한다. 여기서, 제1 전극과 제2 전극의 교차 영역을 화소 영역으로 정의하고, 각 화소 영역에 대응하는 형광층의 면적을 A, 각 화소 영역에 대응하여 제2 기판에 도달한 전자빔 스폿의 면적을 B라 할 때, 형광층의 면적과 전자빔 스폿의 면적이 0.9 ≤ B/A ≤ 1.4 인 조건이 만족된다. 전자 방출 소자, 형광층, 전자빔, 스폿, 전자 방출부
Abstract:
An electron emission device is provided to concentrate electric field on an electron emission unit and enhance emission efficiency by forming an opening at the electron emission unit. A first and second substrates(10,20) are disposed opposite to each other. A cathode electrode(110) is formed on the first substrate. An insulating layer(112) having an opening(112a) and a gate electrode(114) having an opening(114a) are formed on the cathode electrode. An electron emission unit(116) is formed on the cathode electrode within the opening. The electron emission unit includes an opening in order to form at least two edges thereon.
Abstract:
An electron emission device and an electron emission display device using the same are provided to enhance electron beam focusing efficiency by moving a position of an electron emission unit to a center of a corresponding pixel. An electron emission unit(12) is formed on substrates(2,4). A first and second electrodes(6,10) are disposed in an insulating state on the substrates in order to control emission of electrons of the electron emission unit. A third electrode(14) is formed on the first electrode and the second electrode in order to focus electron beams. The electron emission unit is exposed on the substrate by using an opening provided on the third electrode of the electrodes. One or more openings are formed at each pixel region on the substrate. The electron emission unit is separated from a center axis of the corresponding opening.
Abstract:
An electron emission device and a method for manufacturing the same are provided to suppress short circuit between an electron emission part and an opposing electrode by forming an opening of a first exposure mask and an opening of a second exposure mask in different width values. A gate electrode(4) and an insulating layer(6) having a via-hole are formed on a substrate(2). An opposing electrode(18) and a cathode electrode(16) are formed by laminating a first and second electrode layers on the insulating layer. A first electrode layer(100) of the cathode electrode is projected to the opposing electrode. A first sacrificial layer is formed on the substrate. A part of a second electrode layer(120) of the opposing electrode is exposed by forming an opening. The exposed part of the second electrode layer is removed therefrom. A second sacrificial layer is formed on the substrate. A part of the second electrode layer of the cathode electrode is exposed by forming an opening. The exposed part of the second electrode layer is removed therefrom. An electron emission part(38) is formed between the cathode electrode and the opposing electrode. A gap is formed between the electron emission unit and the opposing electrode by removing the first electrode layer of the opposing electrode exposed on the substrate. The width of the opening of the second sacrificial layer is smaller than the width of the opening of the first sacrificial layer.
Abstract:
An electron emission device and a method for manufacturing the same are provided to improve color purity and color representation by coating an insulating layer on a focusing electrode by using a sol-gel method. A first and second substrates(2,4) are disposed opposite to each other. A plurality of first and second electrodes(6,10) are formed on both sides of a first insulating layer(8). A plurality of electron emission units(12) are connected with the first electrodes or the second electrodes. A focusing electrode(18) is formed on a second insulating layer(14). An insulating layer(20) is formed on the focusing electrode. A phosphor layer(22) is formed on the second substrate. An anode electrode is formed on one side of the phosphor layer.
Abstract:
본 발명은 전자 방출부와 집속 전극의 개구부 배열을 최적화하여 전자빔 퍼짐을 억제하고, 애노드 전계 차단에 효과가 있으며, 전자 방출량을 높일 수 있는 전자 방출 소자에 관한 것으로서, 본 발명에 따른 전자 방출 소자는 서로 대향하여 배치되는 제1 기판 및 제2 기판과, 제1 기판 위에서 서로 절연된 상태로 배치되는 제1 전극들 및 제2 전극들과, 제 1 또는 제 2 전극들과 전기적으로 연결되는 전자 방출부들과, 제1 전극들 또는 제2 전극들 상부에 형성되며 전자빔 통과를 위한 개구부를 구비하는 집속 전극을 포함한다. 여기서, 집속 전극은 1개의 화소 영역당 적어도 2개의 개구부를 구비하고, 적어도 2개의 전자 방출부가 각각의 집속 전극 개구부 내측에 대응하여 위치한다. 전자 방출 소자, FEA, 집속 전극, 절연층, 개구부