| 摘要 |
PROBLEM TO BE SOLVED: To provide a light source device facilitating assembly of a planar light source without requiring high degree of vacuum. SOLUTION: The light source device comprises a cathode structure, an anode structure, a fluorescent layer disposed between the cathode structure and the anode structure, and a low-pressure gas layer filled between the cathode and anode structures and having an electroconductive function, wherein the low-pressure gas layer has a mean free electron path capable of causing at least sufficient quantities of electrons to directly hit the fluorescent layer at the operating voltage. COPYRIGHT: (C)2008,JPO&INPIT |
