发明名称 |
Projection television display tube and device having band pass interference filter. |
摘要 |
<p>Projection-television display tube includes a band pass or Fabry-Perot interference filter between the display window and the luminescent screen, resulting in the elimination of undesirable luminescent emissions both above and below the wavelength region of interest. A three-tube color projection display device includes such a filter in at least the green emitting display tube.</p> |
申请公布号 |
EP0350995(A2) |
申请公布日期 |
1990.01.17 |
申请号 |
EP19890201775 |
申请日期 |
1989.07.05 |
申请人 |
N.V. PHILIPS' GLOEILAMPENFABRIEKEN |
发明人 |
VAN DER VOORT, ANDRE |
分类号 |
H01J29/86;H01J29/18;H01J29/20;H01J29/28;H01J31/10;H04N5/74;H04N9/31 |
主分类号 |
H01J29/86 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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