Manufacturing method of display apparatus, interposer substrate, and computer program stored in readable medium
US11710431B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Oct 14, 2020 |
| Grant date | Jul 25, 2023 |
| Priority date | — |
| Expiry date | May 26, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L25/0753
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of manufacturing a display apparatus includes performing a first repair process of detecting a first defective light emitting diode (LED) from among a plurality of LEDs provided on a sapphire substrate and removing the first defective LED; attaching the plurality of LEDs to electrode patterns of an interposer substrate and separating the sapphire substrate from the plurality of LEDs; and performing a second repair process of detecting a second defective LED among the plurality of LEDs attached to the electrode patterns and replacing the second defective LED.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.