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Conference Paper
Transfer, Bonding, and Repair of LEDs for µLED Display Fabrication via Simultaneous Transfer and Bonding (SITRAB) Technology
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- Authors
- Jungho Shin, Jiho Joo, Gwang-Mun Choi, Chanmi Lee, Yoon-Hwan Moon, Ki-seok Jang, Jin-hyuk Oh, Ji-Eun Jung, Ga-Eun Lee, Yong-Sung Eom, Kwang-Seong Choi
- Issue Date
- 2024-05
- Citation
- Society for Information Display (SID) International Symposium 2024, pp.1278-1281
- Language
- English
- Type
- Conference Paper
- Abstract
- Micro light-emitting diodes (µLEDs) have been considered as next-generation display technologies, but they suffer from low productivity due to poor heat dissipation, high electrical resistance, and repair difficulty of conventional µLED bonding methods. Simultaneous transfer and bonding (SITRAB) technology enables electrically/thermally conductive soldering for high-resolution µLED displays. In this study, the transfer, bonding, and repair of InGaN/GaN µLEDs via the SITRAB method are reported. µLEDs grown on sapphire substrates are assembled on a backplane via the SITRAB process. The SITRABbased repair of defective pixels is demonstrated by transferring redundant LEDs to the display substrates.
- KSP Keywords
- Display technology, Electrical resistance, Heat dissipation, High resolution, Micro light-emitting diodes(micro-LEDs), Next-generation, Sapphire substrates, bonding methods, light emitting diodes(LED), thermally conductive