LED transfer device and micro LED transferring method using the same
US11264531B2 · kind B2 · utility
0Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 2019 |
| Grant date | Mar 1, 2022 |
| Priority date | — |
| Expiry date | Dec 31, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2221/68368
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A micro light emitting diode (LED) transfer device includes a transfer part configured to transfer a plurality of LEDs arranged on a first substrate to a relay substrate; a memory configured to store characteristic information of each of the plurality of LEDs; and a processor configured to determine arrangement locations of each of the plurality of LEDs on the relay substrate based on the stored characteristic information, and control the transfer part to transfer the plurality of LEDs to the determined arrangement locations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.