Cold cathode tube lamp, lighting device for display device, display device, and television receiving device

Abstract

This cold cathode tube lamp comprises a glass tube (11) into which at least a rare gas is filled, a pair of first electrodes (21, 22) disposed to face each other at both inner end portions of the glass tube (11) and composed of cylinder-shaped first cylindrical portions (21a, 22a) with openings at one ends and first bottom portions (21b, 22b) closing the other ends of the first cylindrical portions (21a, 22a), and second electrodes (41, 42) provided in the respective first electrodes (21, 22). The second electrodes (41, 42) include at least cylinder-shaped second cylindrical portions (41a, 42a) with openings at each one end thereof. The second electrodes (41, 42) are disposed such that the second cylindrical portions (41a, 42a) are a predetermined distance away from the respective first cylindrical portions (21a, 22a) of the first electrodes (21, 22).

Dependencies are inferred from the claim text.