Display device having a display window

Display device having a display window

A display device having a cathode ray tube which comprises a display window. The radius of curvature of the inside of the display window along the diagonal (Rdiag) is greater than 1.6x1.767xD and smaller than 3.0x1.767xD, where D is the length of the diagonal of the display window. For the inside su...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: VAN NES, JOHANNES C. A, VRIENS, LEENDERT, GERSMANN, FRANK
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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Beschreibung
Zusammenfassung:A display device having a cathode ray tube which comprises a display window. The radius of curvature of the inside of the display window along the diagonal (Rdiag) is greater than 1.6x1.767xD and smaller than 3.0x1.767xD, where D is the length of the diagonal of the display window. For the inside surface it holds that the quotient of the sagittal height at the end of the diagonal (21) and the sum of the sagittal heights at the end of the long axis (22) and at the end of the short axis (23) ranges between 0.75 and 0.95. In embodiments, the inside surface also complies with the formula 1.5