Improvement of luminance and luminous efficiency for optimal Penning gas mixtures in alternating current plasma display panels

Abstract

We propose the optimal mixing ratio of Ar or Kr in Ne (96%)–Xe (4%) and He (70%)–Ne (27%)–Xe (3%) to improve the luminance and luminous efficiency for alternating current plasma display panels. To verify the improvements, we measured the voltage, current, and luminance experimentally. We analyzed the luminous efficiency and the wall charge using the Q–V method and compared the results with the calculated values from a two-dimensional simulation. When a small amount of Ar (0.01%–0.1%) or Kr (0.01%–0.1%) was added to Ne–Xe or He–Ne–Xe at 200 Torr, we found that the luminance increased by more than 20%, the luminous efficiency increased by more than 25% and the wall charge increased by more than 25%. When a small amount of Ar (0.005%–0.1%) was added to He–Ne–Xe–Kr (0.005%) at 400 Torr, the luminance increased by more than 8%, the luminous efficiency increased by more than 18%, and the wall charge increased by more than 12%. In conclusion, these results showed that the additional Penning effect between He and Ne and Ar and Kr particles improved the luminance and luminous efficiency.