Patent ID: 8421349

Claim:
A display device comprising: a first substrate having a display area and a peripheral area surrounding the display area, the display area including a plurality of light emitting devices, and the peripheral area including driving circuitry for the light emitting devices; an organic insulating film disposed over the first substrate within the display area and the peripheral area; a separation groove in the organic insulating film, the separation groove provided between the display area and the peripheral area and surrounding the display area, the separation groove dividing the organic insulating film into an inner part disposed within the display area and an outer part disposed within the peripheral area; an inorganic insulating film covering the inner and outer parts of the organic insulating film and lining an inside of the separation groove; and a sealed area provided apart from the separation groove, the sealed area being in an outermost portion of the peripheral area and surrounding a main portion of the peripheral area, wherein, no organic insulating film is present in the sealed area and the sealed area is separated from the separation groove by the outer part of the organic insulating film, the outer part of the organic insulating film having (i) a first sidewall on the side of the sealed area, (ii) a second sidewall on the side of the separation groove, and (iii) a top face, both the first and second sidewalls and the top face being completely covered by the inorganic insulating film, and the sealed area includes the inorganic insulating film directly covered by an adhesive layer for bonding the first substrate to a second substrate.