Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent
1997-09-29
2000-08-08
Day, Michael
Electric lamp and discharge devices
With luminescent solid or liquid material
With gaseous discharge medium
313113, 313584, 2523014R, H01J 6304
Patent
active
061006335
ABSTRACT:
The present invention provides a plasma display panel, comprising a rear substrate provided with ribs defining discharge cells, address electrodes and phosphor layers, and a front substrate provided with transparent electrodes extending in a direction perpendicular to the address electrodes, a transparent dielectric layer and a protective layer, discharge being brought about within the discharge cell formed between the rear substrate and the front substrate to excite the phosphor contained in the phosphor layer so as to cause the phosphor to emit a visible light. In this plasma display panel, the phosphor particles forming the phosphor layer have an average particle size of 0.1 to 5 .mu.m and a ratio of the largest curvature to the smallest curvature of at most 1.5. Also, the magnitude of the irregularities on the surface of the phosphor particle is at most 5% of the diameter of the phosphor particle.
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Albessard Ariane Keiko
Matsuda Naotoshi
Okumura Miwa
Tamatani Masaaki
Day Michael
Kabushiki Kaisha Toshiba
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