Image display device and method of manufacturing the same
A technology of image display device and manufacturing method, which is applied to image/graphic display tubes, identification devices, lighting devices, etc., and can solve problems such as incomplete packaging, leakage, and impairment of performance and life of display devices
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[0026] Embodiments in which an image display device according to the present invention is applied to an FED will now be described in detail with reference to the accompanying drawings.
[0027] As shown in FIGS. 1 to 3, the FED includes a front substrate 11 and a back substrate 12 each composed of a rectangular glass plate as an insulating substrate. These substrates are placed facing each other with a gap of about 1.5 to 3 mm between them. The front substrate 11 and the back substrate 12 have their peripheral edge portions joined together by side walls 13 in the form of rectangular frames, thereby forming a planar rectangular enclosure 10, the inside of which is kept vacuum.
[0028] The respective peripheral edge portions of the front substrate 11 and the back substrate 12 are bonded together by the sealing portion 40 . In particular, the side wall 13 functioning as a frame is located between the sealing surface on the peripheral edge portion on the inner surface of the fro...
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