Patent ID: 8299705

Claim:
An organic light emitting display device, comprising: a first substrate; a second substrate; an array of organic light emitting pixels interposed between the first and second substrates; and a frit seal comprising a plurality of elongated segments interposed between the first and second substrates, the plurality of elongated segments comprises a first segment; wherein the plurality of elongated segments in combination surrounds the array, wherein the frit seal, the first substrate and the second substrate in combination enclose the array; wherein the frit seal comprises a first cross-section taken in a plane perpendicular to an elongation of the first segment; and wherein the fit seal is generally homogeneous in color or morphology throughout at least a predetermined first portion of the first cross-section, and wherein the predetermined first portion of the first cross-section extends across a portion of the first cross-section and is distinct from a second portion of the first cross-section, the first portion having the same composition as the second portion; wherein the first cross-section further comprises a third portion, the second portion having a uniform makeup and being interposed between the first and third portion, the second portion being distinct from the first and third portions.