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Cold cathode fluorescent lamp, back-light emitting device with the cold cathode fluorescent lamp, and note-type personal computer with the back-light emitting device
Cold cathode fluorescent lamp, back-light emitting device with the cold cathode fluorescent lamp, and note-type personal computer with the back-light emitting device
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机译:冷阴极荧光灯,具有该冷阴极荧光灯的背光发光装置以及具有该背光发光装置的笔记型个人计算机
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摘要
There is provided a cold cathode fluorescent lamp including a transparent tube including first and second light-emitting areas defined by partitioning an inner space of the transparent tube, a first terminal electrode positioned in the first light-emitting area and at a longitudinal end of the first light-emitting area located closer to an end of the tube, a second terminal electrode positioned in the second light-emitting area and at a longitudinal end of the second light-emitting area located closer to the other end of the tube, a first intermediate electrode positioned in the first light-emitting area and at the other longitudinal end of the first light-emitting area, a second intermediate electrode positioned in the second light-emitting area and at the other longitudinal end of the second light-emitting area, a first lead-in wire connected to the first terminal electrode through the longitudinal end of the first light-emitting area, a second lead-in wire connected to the second terminal electrode through the longitudinal end of the second light-emitting area, a third lead-in wire connected to the first intermediate electrode through the other longitudinal end of the first light-emitting area, and a fourth lead-in wire connected to the second intermediate electrode through the other longitudinal end of the second light-emitting area. The above-mentioned cold cathode fluorescent lamp makes it possible to lower a break-down voltage and a discharge voltage down to about halves of them in a conventional fluorescent lamp, and hence, discharged electrons are not attracted to a metal part. Thus, it is possible to prevent a cold cathode fluorescent lamp from not turning on due to electron discharge.
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