JPS58182259U - fluorescent lamp - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

Figure 1 is a perspective view of the conventional example, Figure 2 is a plan view of the same, and Figure 3 is a perspective view of the conventional example.
The figure is a perspective view showing one embodiment of the present invention, Fig. 4 is a plan view of the same as above, Figs. 5 a, b, and c are plan views showing different embodiments, and Figs. FIG. 6 shows a cross-sectional view developed along the discharge path, - FIG. 7a. b and c are schematic diagrams showing short-circuit discharge states in the same lamp as above, and FIGS. 8 to 11 are plan views of different lamps, respectively.

Claims (1)

[Scope of utility model registration request] In the airtight space formed by the outer tube and the button stem, three or more bent inner tubes of the same shape for limiting the discharge path are arranged in series with spacers interposed therebetween. Only this part is opened to the airtight space, and the open end where the other communication part and the electrode are located reaches the airtight space and is airtightly separated, and the discharge gas is sealed in the silent space. A fluorescent lamp characterized by: