Patent ID: 11948980
Assignee: KYOCERA SLD LASER, INC.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. A method for manufacturing a light emitting diode based display panel device, the method comprising:
providing at least one carrier wafer;
providing a first substrate having a first surface region;
forming a first release material overlying the first substrate;
forming a first gallium and nitrogen containing epitaxial material overlying the first surface region, the first gallium and nitrogen containing epitaxial material comprising at least an n-type gallium and nitrogen containing region, a first light emitting gallium and nitrogen containing active region configured to emit electromagnetic radiation at a first wavelength, and a p-type gallium and nitrogen containing region;
patterning the first gallium and nitrogen containing epitaxial material and forming mesas to form a first plurality of dice arranged in a first array, each die corresponding to at least one light emitting diode device and being arranged by a first pitch between adjacent die in the first array;
forming a first interface region overlying the first gallium and nitrogen containing epitaxial material;
subjecting the first release material to a first energy source to fully or partially remove the first release material;
bonding the first interface region to the at least one carrier wafer to form a first bonded structure, while maintaining the first release material fully or partially removed from the first bonded structure; and
releasing at least a first fraction of the first plurality of dice provided on the first substrate to transfer the first fraction of the first plurality of dice to the at least one carrier wafer; wherein each pair of the transferred dice is configured with a second pitch between each pair of the transferred dice, the second pitch being equal to or greater than the first pitch;
wherein removing the first release material is performed prior to the bonding; and wherein the first energy source fully or partially removes the first release material while leaving a first anchor region intact to support the first plurality of dice before the bonding of the first fraction of the first plurality of dice to the carrier wafer; the first anchor region separating during the releasing.