Abstract:
PROBLEM TO BE SOLVED: To provide a cold-cathode fluorescent discharge lamp of high quality and high reliability, by shortening discharge starting time of the lamp through reduction of a volume of a sputtering phenomenon, and by improving on high luminance, long life as well as darkness starting characteristic through maintenance of stable discharge over a long period of time, and to provide a method of manufacturing the same. SOLUTION: The cold-cathode fluorescent discharge lamp 1 has a cesium zirconate film 10 coated on an inner and an outer walls of a cup-shaped electrode 3, and also has a cesium film 11 with the cesium zirconate film 10 activated coated on a phosphor film 4 in the vicinity of the cup-shaped electrode 3, so that electron emission properties at the inner wall face of the cup-shaped electrode 3 are changed during lighting to expand contact properties to the cesium zirconate film 10, which leads to reduction of sputtering of a nickel material constituting the cup-shaped electrode 3. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a first discharge electrode achieving both high-efficiency secondary electron emission and long life, as well as a discharge lamp using the same. SOLUTION: The first discharge electrode is equipped with an electron emission layer made of a wide forbidden band-width semiconductor substrate 1. The first discharge electrode defines a convex part (a rectangular parallelepiped column) R i, j-2 , R i, j-1 , R i, j with an upper end face opposing a second discharge electrode and side walls to be faces not seen from a vertical direction of the upper end face, and is equipped with the electron emission layer, in which dangling bonds on the surface of the wide forbidden band-width semiconductor substrate 1 exposed to the side walls of the rectangular parallelepiped column R i, j-2 , R i, j-1 , R i, j are terminated with hydrogen 3. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide an electrode for fluorescent lamp which can be used properly for a long term while having significant tolerance against sputtering caused by ions.SOLUTION: The electrode for a fluorescent lamp has a discharge region where ions collide to participate discharge, and a conductive mayenite compound is placed over the entire discharge region.