The discharge characteristics of the coplanar and face‐to‐face sustain electrode structures were examined. The visible spectrum (VIS) of a Ne emission of 585 nm and infrared (IR) of 823 and 828 nm were observed under the two different coplanar and face‐to‐face structures of the 6‐inch test panel with non‐phosphor discharge cell. The IR(Xe)/VIS(Ne) plot was used to calculate the discharge efficiency in the PDP‐cell. In a coplanar sustain electrode structure, the intensity ratio between the IR(Xe) and VIS(Ne) was relatively low, whereas in a face‐to‐face sustain electrode structure, the intensity ratio between the IR(Xe) and VIS(Ne) was very high. In a coplanar electrode structure, the distribution of the IR(Xe) and VIS(Ne) was localized on the coplanar electrode near the space between the two sustain electrode, whereas in the face‐to face sustain electrode structure, the distribution of the IR(Xe) and VIS(Ne) was broad over the entire discharge region area. Finally, as a result of the integration of the IR(Xe)/VIS(Ne) distribution, the discharge efficiency of the face‐to‐face sustain electrode structure was improved by about 2.5 times than that of the coplanar sustain electrode structure.
The discharge characteristics of the face-to-face and coplanar sustain electrode structures in 42" full-HD grade test panel were investigated. The UV conversion efficiency (plasma efficiency) was calculated by the visible emission of 585 nm from the Ne and infrared emission of 823 and 828 nm from Xe in the two different face-to-face and coplanar 6-inch test panels by using the digital photo meter (PR-920) and the spectrometer (diode array rapid analyzer system). The luminance efficiency of the face-to-face and coplanar sustain electrode structure were measured at a 4 % Xe content and a pressure of 450 Torr, and driving frequencies of 100 kHz with a duty ratio of 40 %, respectively. As a result, the UV conversion efficiency (plasma efficiency) of the face-to-face sustain electrode structure was improved by about 1.64 to 1.84 times than the coplanar structure and the luminance efficiency of the faceto-face structure was improved by about 2.03 times than the coplanar structure in the 42" full-HD grade AC-PDPs.
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