| 摘要 |
PURPOSE: To enhance optical characteristics of a plasma display device such as color purity, contrast, brightness, etc. CONSTITUTION: A film 8 reflecting only wavelengths necessary for displaying and absorbing the others is attached to the wall surface of a bulkhead, etc., 2 which constitutes a cell S, and over the film 8, phosphor 7 is attached. In a sandwich form, an optical filter 4 is furnished at the front plates 3, 6 from which light is taken out. |
