1. An organic light emitting device comprising:
a device substrate;
a first electrode;
an organic layer; and
a second electrode;
wherein the second electrode comprising a metal oxide and a plurality of 12CaO.7Al2O3 particles,
the metal oxide forms a matrix and the 12CaO.7Al2O3 particles are dispersed in the matrix of the metal oxide.
2. The organic light emitting device of claim 1, wherein the 12CaO.7Al2O3 particles have a minimum diameter of 2 nm or more and a maximum diameter of 80 nm or less.
3. The organic light emitting device of claim 1, wherein the concentration of the 12CaO.7Al2O3 particles is in a range of 0.1 parts by weight to 5 parts by weight based on the total of 100 parts by weight of the metal oxide and the 12CaO.7Al2O3 particles.
4. The organic light emitting device of claim 1, wherein, in the 12CaO.7Al2O3 particles, the total concentration of Ca is in a range of 0.1 parts by weight to 3 parts by weight based on the total of 100 parts by weight of the metal oxide and the 12CaO.7Al2O3 particles.
5. The organic light emitting device of claim 1, wherein, in the 12CaO.7Al2O3 particles, the total concentration of Al is in a range of 0.1 parts by weight to 3 parts by weight based on the total of 100 parts by weight of the metal oxide and the 12CaO.7Al2O3 particles.
6. The organic light emitting device of claim 1, wherein the metal oxide is one or more metal oxides selected from the group consisting of ITO, IZO, indium oxide, zinc oxide, SnO2, AZO, GaZO, GeZO, GaBZO, and StRuO.
7. The organic light emitting device of claim 1, wherein the sheet resistance of the electrode is in the range of 40 ohmsq. to 500 ohmsq.
8. The organic light emitting device of claim 1, wherein the optical transmittance of the electrode with respect to light in the visible light spectrum is 90% or more.
9. The organic light emitting device of claim 1, wherein the work function of the electrode is in a range of 4.0 eV to 4.6 eV.
10. The organic light emitting device of claim 1, wherein the thickness of the electrode is in the range of 50 nm to 200 nm.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A construction for finishing the joint between two or more non-aligned wall surfaces, including:
mounting means for holding the construction in a desired relationship with the wall surfaces,
a non-flat face extending at least substantially the length of the construction, said face positioned substantially parallel to a plane that intersects each of the wall surfaces, those intersections lying on lines that are spaced from each other, and
the non-flatness of said non-flat face including a deformation in the construction, said deformation extending away from a line formed by an intersection of the general planes of the non-aligned wall surfaces.
2. A method of finishing a joint between two or more non-aligned wall surfaces, including the steps of providing a cornerbead of claim 1, and installing it in an operative position adjacent the joint.
3. The apparatus of claim 1, in which the wall surfaces are a wall and an adjacent ceiling, and the construction is sized and configured as crown moulding.
4. Chair rail configured in cross-section as the construction in claim 1.
5. The apparatus of claim 1, in which the wall surfaces are two abutting walls, and the construction is sized and configured as cornerbead.
6. The apparatus of claim 1, in which the wall surfaces are exterior surfaces of buildings.
7. A joint between wall sections that are generally aligned with but spaced slightly from each other, including
mounting means for holding the construction in a desired relationship with the wall surfaces,
a non-flat face extending at least substantially the length of the construction, said face positioned substantially parallel to a plane that intersects each of the wall surfaces, those intersections lying on lines that are spaced from each other, and
the non-flatness of said non-flat face including a deformation in the construction, said deformation extending away from a space defined by the wall surfaces.