Patent ID: 7692383

Claim:
An EL panel comprising: a substrate; an EL element formed on the substrate; a sealing plate facing the substrate and covering the EL element on the substrate; and an adhesive interposed between the substrate and the sealing plate, and containing a plurality of fillers having a plate-shaped or needle-shaped part, wherein a first projection and depression part is formed on at least a part of a contact area of the substrate with the adhesive, the first projection and depression part having a plurality of projection parts with projection tips and a plurality of depression parts, wherein a second projection and depression part is formed on at least a part of a contact area of the sealing plate with the adhesive, the second projection and depression part having a plurality of projection parts with projection tips and a plurality of depression parts, wherein a gap area is provided between the projection tips of the projection parts of the first projection and depression part and the projection tips of the projection parts of the second projection and depression part, wherein one end of the plate-shaped or needle-shaped part of the plurality of fillers is inserted in one of the plurality of depression parts of the first projection and depression part or one of the plurality of depression parts of the second projection and depression part, wherein a remaining part of the plate-shaped or needle-shaped part of the plurality of fillers is positioned within the gap area, and wherein the remaining part of the plurality of fillers overlaps each other as seen from a direction parallel to a surface of the substrate or a surface of the sealing plate.