Patent ID: 6841266

Claim:
A luminous device comprised of: a substrate; a plurality of transparent electrodes, in which a plurality of convex transparent electrodes are formed onto the substrate in ordered arrangement with an appropriate distance between each other, each electrode having an edge portion; a conductive layer, which is located on the top layer of the luminous device and parallel to the substrate; a plurality of insulating film layers wherein said plurality of insulating film layers are arranged to cover said edge portions of said electrodes and said plurality of insulating film layers are arranged to define a cavity above each electrode wherein each cavity has a bottom portion defined by said electrode and each cavity has two side portions defined by side portions of adjacent insulating film layers; and each insulating film layer has an upper convex portion; a hole-transport layer, on a hole-injection layer in an insulating film cavity; a light-emitting layer, on the hole-transport layer in an insulating film cavity; and an electron-transport layer, on the light-emitting layer in an insulating film cavity.