IMAGE DISPLAY DEVICE AND ITS MANUFACTURING METHOD

摘要

PROBLEM TO BE SOLVED: To provide an image display device that can be easily sealed in a vacuum atmosphere and its manufacturing method. SOLUTION: The vacuum outer case 10 of an image display device has a back substrate 12 and a front substrate 11 that are arranged opposed to each other and a side wall 18 that is provided between these substrates. A phosphor screen is formed on the inner face of the front substrate 11 and electron emission elements 22 are provided on the back substrate. A primary coat 31 and an indium layer 32 overlapping this primary coat are formed. By heating and melting indium in the vacuum atmosphere, the front substrate and the back substrate are mutually sealed through the side wall.