Recently, according to reports from South Korean media Etnews, on February 4, the Korea Institute for Advancement of Technology (KIAT) and the Korea Display Industry Association (KDIA) announced 17 R&D tasks for the “Inorganic Emissive Display Technology Development and Ecosystem Building Project.” This project has a total investment of 18 billion KRW (approximately $13.7 million).
Main Research Focus:
The research will primarily focus on the development of large-area chip manufacturing and ultra-high-speed transfer technology, aiming to reduce costs to just 1/25 of current expenses. Additionally, the project will involve the development of technologies for smartwatches and Extended Reality (XR) devices. It will also focus on building infrastructure for the inorganic emissive display industry and establishing a specialized team to lead the project’s operations. Below are the 17 specific R&D tasks:
Inorganic Emissive Display Technology Development and Ecosystem Building Project
| Task Number | Research Task |
|---|---|
| 1 | Support for building ecosystems to expand the inorganic emissive display market and enhance competitiveness |
| 2 | Development of standard platform-type 1xum-level red, green, and blue MicroLED epitaxy growth technology suitable for mass production |
| 3 | Development of red MicroLED epitaxy chip technology with external quantum efficiency > 2% and compatible with 1xum-level standard platforms |
| 4 | Development of high-efficiency red chip technology with external quantum efficiency > 15% and chip size < 10um |
| 5 | Development of high-brightness, low-temperature oxide backplane drive technology for low-power MicroLED displays |
| 6 | Development of high-brightness, low-power 3000nits+ panels and driverless pixel structures for smartwatches |
| 7 | Development of ultra-high-speed 100 million UPH level self-alignment transfer and packaging technology for large-scale MicroLED displays |
| 8 | Development of high-resolution 1xum-level RGB MicroLED pixel technology for mid- to small-sized displays using substrateless or re-alignment methods |
| 9 | Development of ultra-high-speed transfer and packaging process technology for mass production assurance in chip-level small and medium-sized MicroLED displays |
| 10 | Development of panel inspection and repair process technology for chip-level small and medium-sized MicroLED displays |
| 11 | Development of ultra-high-speed transfer and packaging process technology for mass production assurance in substrateless small and medium-sized MicroLED displays |
| 12 | Development of panel inspection and repair process technology for substrateless small and medium-sized MicroLED displays |
| 13 | Comprehensive development of MicroLED pixel-based 4K LEDoS devices |
| 14 | (Phase 1) Development of CMOS backplane circuit design and high-reliability driverless pixel technology for high-resolution AR devices |
| 15 | (Phase 2) Development of RGB epitaxy and integrated production zoning drive and pixel structure technology for 6000PPI+ AR devices |
| 16 | (Phase 3) Development of ultra-small optical systems for high-resolution AR devices |
| 17 | Establishment of basic infrastructure for the inorganic emissive display ecosystem and the construction of a smart display R&D center |
According to Etnews, inorganic emissive display technology refers to display technology that uses Micro/Nano LEDs, Quantum Dots (QD), and other inorganic materials as light-emitting sources.
Due to the use of inorganic materials, this technology offers longer lifespans and significant advantages in terms of brightness and energy efficiency, positioning it as the next-generation display technology after OLED (Organic Light Emitting Diode).
The South Korean government aims to catch up with competitors in Mainland China, Taiwan, and other regions that have invested earlier in this field. Additionally, the government seeks to address gaps in the local industry chain. Currently, South Korea still has considerable room for improvement in key aspects such as materials, components, equipment, and pixel production capabilities related to Micro LED technology.
It is noteworthy that the South Korean Ministry of Finance announced on December 16 last year the Tax Law Amendment which will support the development of inorganic emissive display technology. The amendment introduced “Micro LED epitaxy, transfer, packaging materials, and equipment technologies” as national strategic technologies and expanded the R&D tax credit policy to include small and medium-sized enterprises, as well as tax reductions to support R&D and commercialization infrastructure investment.
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