Light emitting diode transfer system and control method thereof
US11715811B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2020 |
| Grant date | Aug 1, 2023 |
| Priority date | — |
| Expiry date | Feb 16, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L25/0753
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A light emitting diode (LED) transfer system includes an alignment apparatus configured to align a plurality of target substrates; a handling robot configured to transport the plurality of target substrates; a transfer stage configured to hold the plurality of target substrates and move the plurality of target substrates; a substrate stage configured to move a relay substrate having a plurality of LEDs with respect to the transfer stage while the plurality of LEDs are facing the transfer stage; a laser configured to emit a laser beam toward the plurality of LEDs of the relay substrate so that the plurality of LEDs are transferred from the relay substrate to the plurality of target substrates; and a processor configured to control the alignment apparatus, the handling robot, the transfer stage, the substrate stage, and the laser to transfer the plurality of LEDs of the relay substrate to the plurality of target substrates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.