Light emission device and lamp unit

A lamp unit comprising:

• an organic EL panel in which an organic EL light emission portion is formed on a substrate, the organic EL panel being flexible;
• and
• an entire cover or a portion, corresponding to a light emission area of the organic EL panel, of the cover is transparent or semitransparent, the cover comprising protrusion portions at both ends thereof so that the protrusion portions cover both ends of the organic EL panel, and
• a frame,
• wherein the cover and the frame have such shapes that the cover and the frame are entirely curved with approximately the same curvature as the organic EL panel, and
• wherein the organic EL panel is fixed so as to be sandwiched between the cover and the frame.