Patent ID: 6583552
Filing Date: 2003-06-24
Classification: H01J

Abstract:
An image-forming apparatus including an airtight container, comprising:a rear plate arranging plural electron-emitting devices therein; a face plate arranged oppositely to said rear plate and having an image forming member; and a supporting member arranged between said rear plate and said face plate, for prescribing the distance between said face and rear plates, the interior of which being held in a pressure educing state, wherein said supporting member has four nook portions and shapes of the four nook portion have curvature on an inner or outer side of said container, a curvature radius R2 of each said nook portions on the outer side of said container is equal to or greater than 1 mm and is equal to or smaller than 40 mm, and said supporting member is joined to said face plate and said rear plate by an adhesive.