Display module and system applications

1. A display module comprising:

a display substrate including a front surface, a back surface, and a display area on the front surface;

a plurality of interconnects extending through the display substrate from the front surface to the back surface directly behind the display area;

an array of light emitting diodes (LEDs) in the display area and electrically connected with the plurality of interconnects; and

one or more driver circuits on the front surface or the back surface of the display substrate.

2. The display module of claim 1 , wherein the one or more driver circuits are on the back surface of the display substrate.

3. The display module of claim 1 , wherein the plurality of interconnects are through vias extending through the display substrate from the front surface to the back surface.

4. The display module of claim 1 , further comprising a battery on the back surface of the display substrate.

5. The display module of claim 2 , wherein a flexible printed circuit does not connect the one or more driver circuits to the display substrate.

6. The display module of claim 1 , further comprising a ground via through the display substrate.

7. The display module of claim 2 , further comprising an array of micro chips on the front surface of the display substrate and within the display area.

8. The display module of claim 7 , wherein the array of micro chips are electrically connected with the plurality of interconnects and the array of LEDs.

9. The display module of claim 8 , wherein the array of micro chips overlaps the plurality of interconnects.

10. The display module of claim 8 , wherein the array of micro chips does not overlap the plurality of interconnects.

11. The display module of claim 8 , wherein the array of micro chips includes an array of ambient light sensors.

12. The display module of claim 8 , further comprising a uniform distribution of ambient light sensors in the array of micro chips.

13. The display module of claim 2 , wherein the display module is incorporated into a wearable electronic device.

14. The display module of claim 13 , wherein the wearable electronic device is a smartwatch.

15. The display module of claim 14 , wherein the display area of the display substrate spans a watch face and band of the smartwatch.

16. The display module of claim 2 , wherein the display substrate is secured to a spool.

17. The display module of claim 16 , wherein the spool comprises one or more driver circuits in electrical contact with the plurality of interconnects.

18. The display module of claim 17 , wherein the display module is incorporated into a television.

19. The display module of claim 1 , wherein the array of LEDs comprises semiconductor-based vertical micro LEDs each having a maximum with of 1 to 100 μm.

20. The display module of claim 19 , further comprising an array of micro chips on the front surface of the display substrate and within the display area.

21. The display module of claim 20 , wherein each micro chip is to switch and drive a corresponding group of the semiconductor-based vertical micro LEDs.

22. The display module of claim 21 , wherein the one or more driver circuits comprises one or more scan driver chips and one or more data driver chips.

23. The display module of claim 22 , wherein each micro chip is electrically connected to a scan driver chip and a data driver chip.

24. The display module of claim 22 , wherein the plurality of interconnects electrically connect the array of micro chips to the one or more scan driver chips and the one or more data driver chips.