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    • 9. 发明公开
    • 음극선관
    • CATHODE RAY TUBE
    • KR1020020062485A
    • 2002-07-26
    • KR1020010003520
    • 2001-01-22
    • 가부시키가이샤 히타치세이사쿠쇼가부시끼가이샤 히다치 디스플레이 디바이시즈
    • 와끼따쇼이찌다나까야스오나까야마도시오스즈끼노부유끼시라이쇼지
    • H01J29/48
    • PURPOSE: A cathode ray tube is provided to reduce the total length of the cathode ray tube by optimizing an electron gun. CONSTITUTION: A funnel(2) is connected to one end of a neck(1). A panel(3) is coupled to an opening end having a large diameter of the funnel(2). A stem(4) is connected to the other end of the neck(1). A single-beam type electron gun(5) is provided within the neck(1) having an outer diameter of 29.1 mm. The electron gun(5) is provided with an indirectly-heated cathode(10), a beam control electrode(11), an accelerating electrode(12), a third electrode(13), a focusing electrode(14), and an anode(15), which are disposed at regular intervals. Each of which receives a predetermined voltage applied through a stem pin(9) embedded on the stem(4). The panel(3) acts as a lens and is provided with a fluorescent screen(16) having a diagonal diameter of 5.5 inch therein. An aluminium layer(17) is deposited on a surface of the fluorescent screen(16), which faces the electron gun(5). A button(18) for applying a positive voltage is buried on the funnel(2). A positive voltage by the button(18) is applied to the third electrode(13) and the anode(15). Electron beam emitted from the electron gun(5) is deflected by a deflection yoke(7) to be incident upon the fluorescent screen(16).
    • 目的:提供阴极射线管,通过优化电子枪来减少阴极射线管的总长度。 构成:漏斗(2)连接到颈部(1)的一端。 面板(3)与具有较大直径的漏斗(2)的开口端连接。 杆(4)连接到颈部(1)的另一端。 在一个外径为29.1mm的颈部(1)内设有单束型电子枪(5)。 电子枪(5)设置有间接加热的阴极(10),光束控制电极(11),加速电极(12),第三电极(13),聚焦电极(14)和阳极 (15),其以规则的间隔布置。 其中的每一个接收通过嵌在杆(4)上的杆销(9)施加的预定电压。 面板(3)用作透镜,并且在其中设置有对角线直径为5.5英寸的荧光屏(16)。 在荧光屏(16)的面向电子枪(5)的表面上沉积铝层(17)。 用于施加正电压的按钮(18)被埋在漏斗(2)上。 通过按钮(18)的正电压被施加到第三电极(13)和阳极(15)。 从电子枪(5)发射的电子束被偏转线圈(7)偏转以入射到荧光屏(16)上。