MASK ASSEMBLY FOR CRT

PURPOSE: A mask assembly for a CRT is provided to improve visibility by forming only a real bridge on the region which has a weak visibility. CONSTITUTION: A mask main body includes an effective screen portion(18) which passes or blocks the electron beams emitted from an electron gun, and is stretch...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LEE, JONG HAN, LEE, JUN JONG, JUN, SANG HO, KO, HYANG JIN
Format: Patent
Sprache:eng ; kor
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Beschreibung
Zusammenfassung:PURPOSE: A mask assembly for a CRT is provided to improve visibility by forming only a real bridge on the region which has a weak visibility. CONSTITUTION: A mask main body includes an effective screen portion(18) which passes or blocks the electron beams emitted from an electron gun, and is stretched in one of vertical or horizontal direction. A frame(14) sustains the stretched state of the mask main body and reinforces structural rigidity. The effective screen portion includes slots, dummy slots(20'), and a strip portion(22). The slots are mounted on a predetermined region containing the center of the effective screen portion, and the dummy slots are mounted on the outside of the predetermined region.