| 摘要 |
PROBLEM TO BE SOLVED: To realize integration and small size of an electron tube at the same time, and brightly display the transmission of information. SOLUTION: This light-emitting element is constituted with a housing 34 formed by press fusion bonding a square upper housing member 12 made of a glass material, having a recess in the central part on one main surface, and a square lower housing member 14 made of glass material, having a recess in the central part on one main surface, a cavity 16 formed by the recesses 30, 32 within the housing 34, and in which at least one of gas and a light- emitting substance is sealed, and two lead wires 18, 20 facing each other through the cavity 16. |
