Self-compensating circuit for faulty display pixels

1. A self-compensating circuit for controlling pixels in a display, comprising:

a plurality of light-emitter circuits, each light-emitter circuit comprising:

a light emitter having a power connection to a power supply and an emitter connection;

a drive transistor having a gate connected to a drive signal, a drain connected to the emitter connection, and a source connected to a ground; and

a compensation circuit comprising one or more compensation diodes, each compensation diode directly connected to the emitter connection and directly connected to an other emitter connection of one or more light-emitter circuits other than the light-emitter circuit of which the compensation diode is a part, thereby emitting compensatory light from the one or more light-emitter circuits when the light emitter is faulty.

2. The self-compensating circuit of claim 1 , wherein the light emitters are inorganic light-emitters.

3. The self-compensating circuit of claim 2 , wherein the inorganic light emitters are inorganic light-emitting diodes.

4. The self-compensating circuit of claim 1 , wherein the size of the compensation diodes in a light-emitter circuit is inversely related to the number of compensation diodes in the light-emitter circuit.

5. The self-compensating circuit of claim 1 , wherein each compensation circuit of the plurality of light-emitter circuits has one compensation diode and the compensation diode is electrically connected in common to a common compensation connection and wherein each compensation circuit further comprises a transfer diode connected to the emitter connection and to the common compensation connection with a polarity that is the reverse of the compensation diode polarity.

6. A self-compensating display, comprising an array of light emitters forming rows and columns of light emitters on a display substrate, each light emitter controlled by the self-compensating circuit of claim 1 .

7. The display of claim 6 , wherein the display substrate is a polymer, plastic, resin, polyimide, PEN, PET, metal, metal foil, glass, a semiconductor, or sapphire.

8. The self-compensating display of claim 6 , wherein the light emitters are arranged in exclusive groups of adjacent light emitters so that each light emitter is a member of only one group and wherein each compensation diode in a light-emitter circuit of a light emitter is connected to a different one of the emitter connections in the light-emitter circuits of the other light emitters in the exclusive group of which the light emitter is a member.

9. The self-compensating display of claim 8 , wherein the number of compensation diodes in each light-emitter circuit is equal to one less than the number of light emitters in the exclusive group of which the light emitters are members.

10. The self-compensating display of claim 6 , wherein each group of adjacent light emitters comprises two light emitters located in adjacent rows.

11. The self-compensating display of claim 6 , wherein each group of adjacent light emitters comprises two light emitters located in adjacent columns.

12. The self-compensating display of claim 6 , wherein each group of adjacent light emitters comprises four light emitters located in a two by two array forming two rows and two columns.

13. The self-compensating display of claim 6 , wherein each group of adjacent light emitters is located on a pixel substrate that is independent and separate from the display substrate and the pixel substrates are mounted on the display substrate.

14. The self-compensating display of claim 6 , wherein each light emitter is located on a pixel substrate that is independent and separate from the display substrate and the pixel substrates are mounted on the display substrate.

15. The self-compensating display of claim 6 , wherein the light emitters are arranged in groups of adjacent light emitters and wherein each compensation diode in each light-emitter circuit is connected to a different one of the emitter connections in the light-emitter circuits of each light emitter in the group.

16. The self-compensating display of claim 15 , wherein at least one group of light emitters overlaps another group of light emitters so that at least one light emitter is a member of more than one group.

17. The self-compensating display of claim 16 , wherein each group of adjacent light emitters comprises five light emitters, the five light emitters arranged with a central light emitter having a left light emitter to the left of the central light emitter, a right light emitter to the right of the central light emitter, an upper light emitter above the central light emitter, and a lower light emitter below the central light emitter.

18. A self-compensating circuit for controlling pixels in a display, comprising:

a plurality of light-emitter circuits, each light-emitter circuit comprising:

a light emitter having a power connection to a power supply and an emitter connection;

a drive transistor having a gate connected to a drive signal, a drain connected to the emitter connection, and a source connected to a ground; and

one or more compensation diodes, each compensation diode directly connected to the emitter connection of the light-emitter circuit of which the one or more compensation diodes are a part;

wherein the number of compensation diodes in each light-emitter circuit is one fewer than the number of light emitters in the self-compensating circuit and each compensation diode in each light-emitter circuit is directly connected to an other emitter connection of each of one or more light-emitter circuits other than the light-emitter circuit of which the compensation diode is a part, thereby emitting compensatory light from the one or more light-emitter circuits when the light emitter is faulty.