OLED panel with fuses

1. A first device, comprising:

a substrate;

a plurality of conductive bus lines disposed over the substrate;

a plurality of OLED circuit elements disposed on the substrate, wherein each of the OLED circuit elements comprises one and only one pixel electrically connected in series with a fuse;

wherein each pixel further comprises:

a first electrode;

a second electrode; and

an organic electroluminescent (EL) material disposed between said first and said second electrodes;

wherein the fuse of each of the plurality of OLED circuit elements electrically connects each of the OLED circuit elements to at least one of the plurality of bus lines;

wherein each of the plurality of bus lines is electrically connected to a plurality of OLED circuit elements that are commonly addressable; and

wherein at least two of the bus lines are separately addressable.

2. The first device of claim 1 , wherein the OLED circuit elements that are connected to the same bus line are electrically connected in parallel.

3. The first device of claim 1 , wherein the organic EL material of each of the OLED circuit elements that are connected to the same bus line has an emission spectrum having a peak wavelength that is within 5% of one another.

4. The first device of claim 1 , wherein the plurality of bus lines comprises at least a first bus line and a second bus line;

wherein the first bus line is electrically connected to a first group of OLED circuit elements comprising an organic EL material having an emission spectrum that has a first peak wavelength;

wherein the second bus line is electrically connected to a second group of OLED circuit elements comprising an organic EL material having an emission spectrum that has a second peak wavelength; and

wherein the first peak wavelength and the second peak wavelength are different.

5. The first device of claim 4 ,

wherein the fuse of each of the OLED circuit elements in the first group of OLED circuit elements has a first melting current;

wherein the fuse of each of the OLED circuit elements in the second group of OLED circuit elements has a second melting current; and

wherein the first and the second melting currents are within 5% of one another.

6. The first device of claim 4 ,

wherein the fuse of each of the OLED circuit elements in the first group of OLED circuit elements has a first melting current;

wherein the fuse of each of the OLED circuit elements in the second group of OLED circuit elements has a second melting current;

wherein the first melting current and the second melting current are between 0.1 mA and 50 mA.

7. The first device of claim 4 ,

wherein the fuse of each of the OLED circuit elements in the first group of OLED circuit elements has a first melting current;

wherein the fuse of each of the OLED circuit elements in the second group of OLED circuit elements has a second melting current; and

wherein the first and the second melting currents are at least 5% different.

8. The first device of claim 1 ,

wherein the plurality of bus lines comprises at least a first bus line, a second bus line, and a third bus line;

wherein the first bus line is electrically connected to a first group of OLED circuit elements comprising an organic EL material having an emission spectrum that has a first peak wavelength;

wherein the second bus line is electrically connected to a second group of OLED circuit elements comprising an organic EL material having an emission spectrum that has a second peak wavelength; and

wherein the third bus line is electrically connected to a third group of OLED circuit elements comprising an organic EL material having an emission spectrum that has a third peak wavelength.

9. The first device of claim 8 ,

wherein the fuse of each of the OLED circuit elements in the first group of OLED circuit elements has a first melting current;

wherein the fuse of each of the OLED circuit elements in the second group of OLED circuit elements has a second melting current;

wherein the fuse of each of the OLED circuit elements in the third group of OLED circuit elements has a third melting current; and

wherein the first, the second, and the third melting currents are within 5% of one another.

10. The first device of claim 8 ,

wherein the fuse of each of the OLED circuit elements in the first group of OLED circuit elements has a first melting current;

wherein the fuse of each of the OLED circuit elements in the second group of OLED circuit elements has a second melting current;

wherein the fuse of each of the OLED circuit elements in the third group of OLED circuit elements has a third melting current; and

wherein the first melting current, the second melting current, and the third melting current are between 0.1 mA and 50 mA.

11. The first device of claim 8 ,

wherein the fuse of each of the OLED circuit elements in the first group of OLED circuit elements has a first melting current;

wherein the fuse of each of the OLED circuit elements in the second group of OLED circuit elements has a second melting current;

wherein the fuse of each of the OLED circuit elements in the third group of OLED circuit elements has a third melting current; and

wherein the first, the second, and the third melting currents are at least 5% different.

12. The first device of claim 11 ,

wherein the first melting current and the second melting current are at least 10% different;

wherein the first melting current and the third melting current are at least 10% different; and

wherein the second melting current and the third melting current are at least 10% different.

13. The first device of claim 11 , wherein the first melting current, the second melting, and the third melting current are at least 30% different.

14. The first device of claim 8 , further comprising a fourth bus line, wherein the fourth bus line is electrically connected to a fourth group of OLED circuit elements comprising an organic EL material having an emission spectrum that has a fourth peak wavelength.

15. The first device of claim 1 ,

wherein the plurality of bus lines comprises at least a first bus line and a second bus line;

wherein the first bus line is electrically connected to a first group of OLED circuit elements comprising an organic EL material having an emission spectrum that has a first peak wavelength;

wherein the second bus line is electrically connected to a second group of OLED circuit elements comprising an organic EL material having an emission spectrum that has a second peak wavelength;

wherein the first peak wavelength and the second peak wavelength are different;

wherein the first device is configured to drive each of the plurality of OLED circuit elements at a plurality of luminance levels; and

wherein the plurality of luminance levels comprises a minimum luminance level and a maximum luminance level.

16. The first device of claim 15 ,

wherein the maximum luminance level is at least N times greater than the minimum luminance level; and

wherein the first group of OLED circuit elements and the second group of OLED circuit elements each comprises at least N OLED circuit elements.

17. The first device of claim 16 , wherein the first group of OLED circuit elements and the second group of OLED circuit elements each comprises at least 2*N OLED circuit elements.

18. The first device of claim 15 ,

wherein the maximum luminance level is at least two times greater than the minimum luminance level; and

wherein the first group of OLED circuit elements and the second group of OLED circuit elements each comprises at least 2 OLED circuit elements.

19. The first device of claim 15 ,

wherein the maximum luminance level is at least five times greater than the minimum luminance level; and

wherein the first group of OLED circuit elements and the second group of OLED circuit elements each comprises at least 5 OLED circuit elements.

20. The first device of claim 1 ,

wherein the plurality of bus lines comprises a first group of commonly addressable bus lines and a second group of commonly addressable bus lines;

wherein each of the bus lines of the first group of commonly addressable bus lines is electrically connected to a first group of OLED circuit elements comprising an organic EL material having an emission spectrum that has a first peak wavelength;

wherein each of the bus lines of the second group of commonly addressable bus lines is electrically connected to a second group of OLED circuit elements comprising an organic EL material having an emission spectrum that has a second peak wavelength; and

wherein the first peak wavelength and the second peak wavelength are different.