IMAGE DISPLAY UNIT AND PRODUCTION METHOD FOR IMAGE DISPLAY UNIT

An envelope includes a front substrate (11) on which a display surface is provided and a back substrate arranged to face the front substrate. The front substrate includes a metal back (20) formed on the display surface and a getter film (22) formed of two or more activated metals, on the metal back....

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Bibliographic Details
Main Authors MITANI, HIROMASA, KASAHARA, YUUSUKE
Format Patent
LanguageEnglish
French
German
Published 14.03.2007
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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Summary:An envelope includes a front substrate (11) on which a display surface is provided and a back substrate arranged to face the front substrate. The front substrate includes a metal back (20) formed on the display surface and a getter film (22) formed of two or more activated metals, on the metal back. The getter film is formed of a plurality of materials by evaporation. According to this invention, the gas adsorption characteristics of the getter film can be improved to those of the combination of a plurality of getter materials. Thus, the designing range of the characteristics of the getter film can be expanded, and the interior of the vacuum envelope can be maintained at a high vacuum degree. Therefore, it is possible to achieve an image display apparatus that can maintain a high display performance for a long time and a method of manufacturing such an apparatus.
Bibliography:Application Number: EP20050751568