An organic light-emitting device comprising: a first substrate; a second substrate comprising an inner surface facing the first substrate, the inner surface comprising a first portion and a second portion; wherein the first substrate and the second substrate are transparent substrates; a first array of light-emitting pixels interposed between the first substrate and the second substrate; a second array of light-emitting pixels interposed between the first substrate and the second substrate; and wherein the first portion of the second substrate opposes the first array of light-emitting pixels, and wherein the second portion of the second substrate opposes the second array of light-emitting pixels, characterized in that the organic light-emitting device further comprises a frit consisting of a non-transparent frit material and comprising a frit layer and a frit seal, the frit layer and the frit seal adjoining each other; wherein the frit seal is adhered to the first substrate and the second substrate; wherein the frit layer is formed over the second portion of the inner surface of the second substrate for blocking the light emitted by the second array of light-emitting pixels, while the frit layer is not formed over the first portion of the inner surface of the second substrate, and wherein the frit seal is interconnecting the first and second substrates (100, 200) while surrounding the first array of light-emitting pixels and the second array of light-emitting pixels such that the frit seal, the first substrate and the second substrate form an enclosed space where the first array and the second array are located. a first substrate; a second substrate comprising an inner surface facing the first substrate, the inner surface comprising a first portion and a second portion; wherein the first substrate and the second substrate are transparent substrates; a first array of light-emitting pixels interposed between the first substrate and the second substrate; a second array of light-emitting pixels interposed between the first substrate and the second substrate; and wherein the first portion of the second substrate opposes the first array of light-emitting pixels, and wherein the second portion of the second substrate opposes the second array of light-emitting pixels, characterized in that the organic light-emitting device further comprises a frit consisting of a non-transparent frit material and comprising a frit layer and a frit seal, the frit layer and the frit seal adjoining each other; wherein the frit seal is adhered to the first substrate and the second substrate; wherein the frit layer is formed over the second portion of the inner surface of the second substrate for blocking the light emitted by the second array of light-emitting pixels, while the frit layer is not formed over the first portion of the inner surface of the second substrate, and wherein the frit seal is interconnecting the first and second substrates (100, 200) while surrounding the first array of light-emitting pixels and the second array of light-emitting pixels such that the frit seal, the first substrate and the second substrate form an enclosed space where the first array and the second array are located.