In this paper, a 15 inch mercury-free flat discharge lamp with insulated electrodes has been studied for large-area TV LCD backlighting. The lamp is flat type with a pairs of phosphor layer laminated into the discharge vessel filled by discharge gas a...
In this paper, a 15 inch mercury-free flat discharge lamp with insulated electrodes has been studied for large-area TV LCD backlighting. The lamp is flat type with a pairs of phosphor layer laminated into the discharge vessel filled by discharge gas and needle type electrodes layer insulated by insulation materials on the rear glass substrate. An active area is 304×228 mm, and the gap of the discharge space is 3 mm. When the drive pulse voltage conditions were set properly, a uniform discharge generates over entires emitting surface. The maximum luminance of 7,200 [cd/m2] was obtained from the drive conditions of gas pressure 100 [Torr], frequency 30 [kHz], pulse width 2 [㎲].