Patent ID: 7256537
Filing Date: 2007-08-14
Classification: H01J

Abstract:
1. A luminous display device comprising: a non-opaque first member having a rear surface; a second member having a front side, a rear side, and at least a first trough member extending along at least part of said front side of said second member to form at least a first pre-defined pattern; wherein said rear surface of said first member is in fused sealing relationship with said front side of said second member to thereby form at least a first sealed discharge chamber between said first trough member and said first member; an ionizable gas filling said chamber; and at least a first opening in one of said first and second members having a first end communicating with said first chamber and a second end communicating with an electrode, said electrode being energizable to ionize said gas in said first chamber to produce light discharge of said at least first pre-defined pattern.