JPS5823162U - discharge 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]

FIG. 1 is a model diagram showing a conventional discharge lamp, and FIG. 2 is a schematic sectional view showing an embodiment of the discharge lamp according to this invention. In the figure, 1 is an outer tube, 2 is an inner tube, 3 is a phosphor layer, 4 is an electrode,
9 is a discharge guide hole, 21 is one end, 22 is the other end, and the same reference numerals in each figure indicate the same or corresponding parts.

Claims (1)

[Scope of utility model registration request] An outer tube made of a light-transmitting material with mercury and rare gas sealed inside, one or more pairs of electrodes arranged at the bottom of this outer tube, a phosphor coated on the inner surface, and one end between the above electrodes. A plurality of inner tubes surround each electrode to prevent a short circuit of discharge, and the other end of the inner tube is directed toward the tip of the outer tube, and the other end of the inner tube is closed to form a pair. A discharge lamp characterized in that discharge guide holes are provided oppositely on the sides of inner tubes.