Patent ID: 11923401
Assignee: LUMILEDS, LLC
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 11:
12. A microLED display comprising:
a light emitting diode (LED) array and driver circuitry,
wherein the light emitting diode (LED) array comprises a first mesa adjacent to a second mesa, the second mesa adjacent to a third mesa; the first mesa comprising a first stack and having a first mesa second metallization contact on a first mesa second n-type layer, the first mesa second n-type layer on a first mesa tunnel junction, the first mesa tunnel junction on a first mesa LED on a substrate, the first mesa LED including a first mesa first p-type layer, a first mesa first n-type layer, and a first mesa first color active region; the second mesa comprising a second stack and having a second mesa second metallization contact on a second mesa third p-layer, the second mesa third p-type layer on a second mesa second tunnel junction, the second mesa tunnel junction on a second mesa second LED, the second mesa second LED on a second mesa first tunnel junction, the second mesa first tunnel junction on a second mesa first LED on the substrate, the second mesa second LED comprising a second mesa second n-type layer, a second mesa second p-type layer, and a second mesa second color active region, and the second mesa first LED including a second mesa first p-type layer, a second mesa first n-type layer, and a second mesa first color active region; the third mesa comprising a third stack and having a third mesa second metallization contact on a third mesa third n-type layer, the third mesa third n-type layer on the third mesa second tunnel junction, the third mesa second tunnel junction on a third mesa second LED, the third mesa second LED on a third mesa first tunnel junction, the third mesa first tunnel junction on a third mesa first LED on the substrate, the third mesa second LED comprising a third mesa second n-type layer, a third mesa second p-type layer, and a third mesa second color active region, and the third mesa first LED including a third mesa first p-type layer, a third mesa first n-type layer, and a third mesa first color active region; a first trench separating the first mesa and the second mesa; a second trench separating the second mesa and the third mesa; a first metallization layer in the first trench, extending continuously from and in electrical contact with the first mesa first color active region and the second mesa second color active region; and a second first metallization layer in the second trench, the second first metallization layer extending continuously from and in electrical contact with the second mesa first color active region and the third mesa second color active region; and
wherein the driver circuitry is configured to provide independent voltages to the second metallization contacts.