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1. US20190043845 - Display module and system applications

Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

[ EN ]

Claims

1. A portable electronic device comprising:
a display substrate including a display area and a bevel width around the display area, wherein the bevel width is less than 1 mm;
wherein the display substrate includes a first side and a second side;
a first wiring layer on the first side; and
an array of micro LEDs on and in electrical contact with the first wiring layer on the first side of the display substrate.
2. The portable electronic device of claim 1, wherein the display substrate is flexible.
3. The portable electronic device of claim 1, wherein the display substrate further comprises a contact ledge area, wherein the contact ledge area is wider than the bevel width.
4. The portable electronic device of claim 3, further comprising a driver IC bonded to the first wiring layer in the contact ledge area.
5. The portable electronic device of claim 4, further comprising a passivation layer laterally surrounding the array of micro LEDs.
6. The portable electronic device of claim 5, further comprising on or more top electrode layers over the passivation layer and in electrical contact with the array of micro LEDs.
7. The portable electronic device of claim 6, further comprising an array of openings in the passivation layer within the display area exposing an array of ground contacts, wherein the one or more top electrode layers are in electrical contact with the array of ground contacts.
8. The portable electronic device of claim 4, further comprising a plurality of interconnects extending through the display substrate from the first side to the second side.
9. The portable electronic device of claim 8, further comprising a second wiring layer on the second side of the substrate and in electrical communication with the plurality of interconnects.
10. The electronic device of claim 9, further comprising a plurality of integrated circuit (IC) chips in electrical connection with the second wiring layer.
11. The portable electronic device of claim 1, wherein the bevel width completely surrounds the display area.
12. The portable electronic device of claim 11, further comprising a plurality of interconnects extending through the display substrate from the first side to the second side.
13. The portable electronic device of claim 12, further comprising a second wiring layer on the second side of the substrate and in electrical communication with the plurality of interconnects.
14. The electronic device of claim 13, further comprising a plurality of integrated circuit (IC) chips in electrical connection with the second wiring layer.
15. The portable electronic device of claim 13, further comprising a driver IC bonded to the second wiring layer.